Asce seismic map

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6 . 1-02/ASCE 6-02/TMS 602-02) ASCE/SEI 7-10 Minimum Design Loads for Buildings and Other Structures SEI/ASCE 8-02 Standard Specifi cation for the Seismic Design Category Reference Information (ASCE 7-05 ) We hear it from our customers everyday, trying to wrap your head around all the different aspects involved in determing what is required on any project can be tedious. S. Seismic design shall include both effective from horizontal seismic and vertical seismic force. Explanation of seismic terminology and exemptions . Resulting probabilistic seismic hazard maps show peak ground accel- (ASCE) 7 Standard updates (Luco et al. There is no nice way to say it. Seismic qualification by testing based on a nationally recognized testing standard procedure, such as ICC-ES-AC 156, acceptable to the authority having jurisdiction, shall be deemed to satisfy the design and evaluation requirements provided that the substantiated seismic capabilities equal or exceed the seismic a. 3. 0 E + L * + 0. Each of these revisions is intended to improve the safety and reliability of structures while attempting to reduce conservatism as much as possible. 6 and the appropriate CISCA recommendations/ guidelines. ASCE 7-05: WIND LOAD PROVISIONS ASCE 7 presents 3 methods: 1. 4. While the IBC has an “international” label, currently, it only refers to building standards in the United States. These hazard maps form the basis of the probabilistic component of the design maps used in the 1997 edition of the NEHRP Recommended Provisions for Seismic Regulations for New Buildings and Other Structures, prepared by the Building Seismic Safety When Av values from the map on page H 16 are less than 0. You may register for the whole week of seminars with or without the tour, or less, for example 1 two-day, or a two-day and a Sunday seminar. The IBC states that a Seismic Design Category must be established for each construction project based on: Building Safety Service Area Map Design Data. A U. Dec 16, 2019 · Our dedicated team of licensed practicing engineers and technical experts offers a full spectrum of services from engineering design to risk management, including protective design for blast resistant structures, seismic evaluation, structural fire engineering, and integrated resilient design. With that in mind I spent a couple minutes this morning trying to fill in some of blanks so to speak, see below: Major revisions to ASCE 7-16 that affect the wind design of buildings have been highlighted. Guam Hagatna Puerto Rico San Juan Caribbean Islands Design wind Speeds (3-second gust) consistent with ASCE 9-75 Baton Rouge Jackson Denver The Interagency Committee on Seismic Safety in Construction (ICSSC) developed the 2011 edition of the Standards of Seismic Safety for Existing Federally Owned and Leased Buildings (NIST GCR 11-917-12) as part of the continuing effort to achieve seismic safety in existing Federal buildings. Department of Veterans Afairs Seismic Zone Map H 18-8 Note: Seismicity is based on Spectral acceleration listed in ASCE 7-10 Fargo Iron Mountain Roseburg St. Geologic and seismologic information is used in concert with criteria developed herein to make regional maps of liquefaction-induced ground failure potential. 4 Seismic Design Standards for New Buried Pipelines overall seismic deficiencies & expected seismic performance The building has a continuous gravity and lateral load path from roof to foundations. The 2012 Internation-al Residential Code (IRC), 1 The maps displayed below show how earthquake hazards vary across the United States. Zone 2B = 0. 2. This core collection covers all areas of civil engineering including structures, geotechnics, environment and water resources, construction, transportation and urban development, coasts, oceans, ports, and rivers, architecture, and engineering mechanics. Geological Survey (USGS) indicate that the potential earthquake risk is more widespread across the country than previously thought. D. ASCE 4-98 Seismic Analysis of Safety-Related Nuclear the part of the American Society of Civil Engineers, or of any other person named herein, that this Seismic Ground Motion HazardSeismic Ground Motion Hazard Need to use USGS hazard map data for 500, (ASCE 41-06) ( ( 1)) Instructional Material Complementing FEMA 451, Design Examples Seismic Load Analysis 9 - 6 Occupancy Category (ASCE 7, continued) IV) Essential facilities Hospitals or emergency facilities with surgery The connections shall be capable of resisting the horizontal forces specified in Section 1. Building Code Requirements and Specifications for Masonry Structures Seismic Zones are a vestige of the Uniform Building Code or UBC and were introduced in the 1949 edition when the USA seismic hazard map, published in 1948 by the US Coast and Geodetic Survey was adopted into the UBC. 5. Seismic and wind information. Factors that affect a structure’s seismic risk include: • The intensity of ground shaking and other earthquake effects the structure Seismic Information - Frequently Asked Questions. 15g. This web tool calculates risk-targeted ground motion values from probabilistic seismic hazard curves in accordance with the site-specific ground motion procedures defined in “Method 2” (Section 21. 1 describes the basis of the earthquake ground motion maps in the Provisions and in ASCE 7. org/gr/content/pages/gr-map. 9 D + 1. The goal of this structural seismic design example is to calculate the seismic design force and seismic base shear for a reinforced concrete building structure. ASCE Grand Challenge. The guidelines also rely on the National Seismic Hazard Maps (Ref. The intent of the seismic design provisions in building codes was to reduce the hazard to life by sliding or falling I don't know about the rest of you but when I look at the new wind speed maps in the ASCE 7-16, in particular the eastern United States I find the contour lines a bit confusing. Sunday, March 22 promulgated by the American Society of Civil Engineers (ASCE 7-05) in its Minimum Design Loads for Buildings and Other Structures. , most recent mapping of active faults by the United States 110. 6. • Vertical Response Spectra. 5 For a list of ASCE standards and errata, see the ASCE Structural Engineering Institute. Kircher & Associates . • ASCE 7 Hazard Tool. U. 0) and also include building classification and location. Geological Survey (USGS) recently completed new probabilistic seismic hazard maps for the United States, including Alaska and Hawaii. The IBC refers the user to ASCE 7 provisions for determination of wind loads. National Conference on (1994 NEHRP provisions, available in Seismic maps). If a piece of equipment is assigned a SDC of C through F, and the importance factor for that piece of equipment is 1. e. All state and many local authorities have adopted one version of the The building official is wrong. The specifications of the seismic loading chapters of the International Code Council 2006 & 2009 code and the ASCE 7-05 (including Supplement #2) code for seismic analysis of a building using a static equivalent approach are available in the program. I think they were in ASCE 7-02. 4. In a normal seismic hazard analyses intended for the public, that of a "maximum considered earthquake", or "maximum considered event" (MCE) for a specific area, is an earthquake that is expected to occur once in approximately 2,500 years; that is, it has a 2-percent probability of being exceeded in 50 years. Basic wind speed, along with an importance factor (based on the building’s occupancy), is used to determine design wind-load pressures. This Standard provides requirements for general structural design and includes means for determining dead, live, soil, flood, wind, snow, rain, atmospheric ice, and earthquake loads, as well as their combinations, which are suitable for Nov 12, 2019 · Online service for determining the ground movement parameters with display of the seismic load in the United States according to ASCE/SEI. Both the CBC and the IBC refer to the ASCE 7-10 for the determination of earthquake loads. The title of the standard will change to Minimum Design Loads and Associated Criteria for buildings and other MCEs. All four ASCE 7 options for building period determination are available here. that are defined using the acceleration parameters SDS and SD1 which are based on the i = Weight of ice in accordance with Chapter 10 of ASCE 7. C&C 2. 25. 2S. (SEI) is a prime source of premium onshore and offshore 2D and 3D seismic data in North America for the upstream oil and gas industry. Importance factors and Load Factors are used to increase design pressures. Summary of Risk Category for Buildings and Other Structures The U. Per Equation 12. Senior Engineer Online Seismic Base Shear Calculator (IBC2006 and ASCE 7-05 Specifications - Using Equivalent Lateral Force Procedure for Regular Single-Level Building/Structural Systems) for structural engineers, construction professionals and building planners. 4 Special Design Requirements . In seismic areas where Av and/or Aa ( 0. Building code requirements are partially determined on the information that is represented in these maps. Open-File Report 2010–1067. (ASHRAE) and the American Society of Civil Engineers (ASCE). with the structural system as a whole remaining stable” (i. • Horizontal Response Spectra. Geological Survey’s maps of earthquake shaking hazards provide information essential to creating and updat-ing the seismic design provisions of building codes and insurance rates used in the United States. Historically, the seismic design of mechanical equipment was primarily focused on the equipment supports, and the attachments. You can click on the map below to determine the basic wind speed for that location. Seismic Design Maps application provides seismic design parameter values from the following design code editions: 2013 ASCE/SEI 41, 2012/09/06 International Building Code, 2010/05 ASCE/SEI 7 Standard, 2009/03 NEHRP Recommended Seismic Provisions, 2009 AASHTO Guide Specifications for LRFD Seismic Bridge Design. 0 E. C. Method 1: “Simplified Design” method for low-rise buildings (ASCE Section 6. 1 developed by Alex Tomanovich.   In the ASCE 7-10 seismic provisions, ground motion hazards are defined in terms Instead of the peak ground acceleration map, Seismic Intensity is used for  18 Mar 2016 Prior to 1993, U. Project. Design Verification. 5. , S. The different maps are ‘calibrated’ to strength level design (LRFD LF=1. recognizes that, independent of the quality of their design and construction, not all buildings pose the same seis-mic risk. 5-2. 8) and other current standards documents. Seismic Loads Based on IBC 2015/ASCE 7-10 Based on Section 1613. aisc. We will add more reference documents to the website as USGS adds more to their server. The Seismic Leasing Requirements map graphically depicts criteria established by the ICSSC RP 8, Sections 1. 1 USGS MAP/WEB SITE DETERMINATION The U. 0 DEFINITIONS 1. By Arthur Frankel, Stephen Harmsen, Charles Mueller, Eric Calais, and Jennifer Haase. 1. This factor is expressed as a ASCE 7-10 Significant Changes to the Wind Load wind or seismic) shall be permitted. 0. Apr 01, 2014 · Choosing The Correct Seismic Roof Curb – Understanding The Specifications. Structures. 3i exemptions. E. Again, the specified design values in some locations changed significantly. The seismic force, E, appears in load combinations. ASCE/SEI 7-16: Minimum Design Loads and Associated Criteria for Buildings and Other Structures. SC10 - New Structural and Geotechnical Seismic Design Requirements in the 2015 NEHRP ASCE 7-10 & 2009 NEHRP Provisions • Design maps web application and other associated products prepared by USGS NEHRP Advisory Committee on Earthquake Hazards Reduction (ACEHR) Meeting “Development of Risk- Targeted Earthquake Ground Motions for use in ASCE 7,” N. 2 of ASCE 7, including seismically induced lateral earth pressure. The project requirements which include the seismic design category can be found in Section 1 of the specification and on the first page of the structural drawings. Two optional tours will take place on Wednesday. Seismic design maps from various design code reference documents are available below as PDF files. 1. There is the possibility that a project at SLAC will require exceptional seismic performance (higher than seismic acceleration is based on two approaches, the USGS web site as well as a site specific seismic analysis conducted for the plant area. Probabilistic hazard map of offshore tsunami height and waveform The tsunami hazard inland inundation limiting zone affected at the 2,500-year hazard level by Monte Carlo simulation or Hazard-Consistent Tsunami scenarios with allowance for aleatory uncertainty specified in ASCE 7. Click to View our Updated Interactive Map Over 1,650,000 2D miles and 75,000 3D sq. Geological Survey (USGS) National Seismic Hazard Mapping Program (NSHMP) Interactive Wind Speed Maps for the Caribbean for Application with the Wind Load Provisions of ASCE 7 Definition of Basic Wind Speeds Used in ASCE 7 The purpose of this appendix is to review the process used by ASCE 7 Wind Load Task Committee (WLTC) in the development of the wind speed map given in ASCE 7-98 FEMA 451B Topic 9 Notes Seismic Load Analysis 9 - 1 Instructional Material Complementing FEMA 451, Design Examples Seismic Load Analysis 9 - 1 SEISMIC LOAD ANALYSIS This topic focuses on seismic load analysis. ASCE 41 means the Seismic Evaluation and Retrofit of Existing Buildings ASCE/SEI 41-13 published by the American Society of Civil Engineers and the Structural Engineering Institute. Seismic Zones (Ground Acceleration) Kaua‘i O‘ahu Maui Honolulu Seattle Portland Rexburg Reno Los Angeles Las Vegas San Francisco San Jose San Diego Fort Worth Dallas Houston Kansas City Wichita Norman White Plains Miami Washington D. 4 of ASCE 7, a seismic restraint submittal of that particular component is not required. The Sep 07, 2017 · The sixth step is determine the seismic base shear, V. 7. Three types of geological hazards, referred to as seismic hazard zones, may be featured on the map: 1) liquefaction, 2) earthquake-induced landslides, and 3) overlapping liquefaction and earthquake-induced landslides. b) The seismic restraint design must meet the requirements listed in Table 13. This Standard provides seismic design criteria for safety-related structures, systems and components (SSCs) in a broad spectrum of nuclear facilities. Seismic Design Requirements October 1, 2016 . Seismic importance factor, I e. mended Seismic Provisions for New Buildings and Oth-er Structures (FEMA P–750), the maps were adopted into the 2010 edition of the American Society of Civil Engineers (ASCE) Standard ASCE/SEI 7–10, Minimum Design Loads for Buildings and Other Structures, and subsequently into the 2012 IBC. This chapter addresses another key aspect of the design process—characterization of earthquake ground motion. A Worldwide Seismic “ DesignMaps ” Web Application for seismic design values needed in using the International Building Code (§1613) and similar standards (e. ASCE 7-10 provided wind maps that correspond to return periods of 300, 700, and 1,700 For example, the reliability-based seismic performance goal for Risk . Important Note on seismic load effects on ASCE 7-05,10 Sec 12. Please contact us with feedback. 21 of ASCE 7. Situations Requiring Seismic Evaluation & Mitigation. A probabilistic Hazard Map of offshore tsunami height is being developed and will be incorporated in the Standard. Table 1604. F=Load due to fluids with well-defined pressures and maximum heights. (ASCE 7 Table 12. Eventbrite - ASCE - Trish Pietrzak, Section Manager. ASCE 7-10 Wind Provisions 2 Line/Coulbourne Changes in ASCE 7-10 that coordinate with the introduction of new maps include: 1) revised wind speed triggers defining hurricane prone regions and wind-borne debris regions, and 2) Use our ASCE Wind Speeds map to easily obtain the ASCE wind speeds (7-16, 7-10, 7-05) for any location in the contiguous United States, Puerto Rico and Alaska. Valid seismic load groups include asce7-16, asce7-10, asce41-17, asce41-13, nehrp-2015, nehrp-2009, ibc-2015, and ibc-2012. The well known San Andreas Reston, VA: ASCE, TCLEE. ASCE 4-98 Seismic Analysis of Safety-Related Nuclear. • Determination of Ground Motion Values. International Building Code allows two paths to determine Seismic Design category — IBC Section 1613 or ASCE 7 Section 11. Section 3. 8 Dec 2019 American Society of Civil Engineers (ASCE) 2013 Seismic Evaluation and Retrofit of Existing Buildings, ASCE/SEI 41-13 Reston, VA 636 pp This paper highlights key seismic requirements defined in the ASCE 7-10 standard standard are often difficult to work with because of the map scale. Depending on the Seismic Design Category determined from the prior selections of Occupancy, Seismic Ground Motion and Building System, the Redundancy Factor per ASCE will be shown here. , 2015); these. Eng. Department of the Interior U. (WA) April 29, 2015 Emergency Preparedness & Disaster Response Pre-Conference Seminar The values and coordinates are based on the earthquake ground motion maps in, equivalently, the 2009 NEHRP Recommended Seismic Provisions, the 2010 ASCE-7 Standard, and the 2012 International Building Code. Step-by-step instructions for ASCE/SEI 7-16 Standard; Risk-Targeted Ground Motion Calculator. 0 SCOPE AND APPLICATION This guideline is intended to be used as supplementary document to NBCC2005 for the seismic design of petrochemical determines whether seismic certified equipment is required by the 2009 IBC. , P. civilbay. These include forces and moments that arise from attached piping and equipment, the weight of the vessel and its contents, liquid static head as well as wind and seismic induced reactions. In the transition from the ASCE/SEI 7-05 standard to the ASCE/SEI 7-10 standard, there has been a dramatic change in the ways ground motions are treated for seismic design and construction. Changes to the seismic hazard maps are presented, along with explanations as to why they were necessary and how they will affect seismic design. A seismic hazard zone describes an area with a particular level of hazard due to earthquakes. Figure 3: Table 7-3 from ASCE 7-10 with our example case highlighted. Source: http://www. Design spectral response acceleration parameters, S Aug 23, 2016 · Changes from ASCE 7-10 to ASCE 7-16 are many and their impact will be far-reaching. H=Load due to lateral earth pressures, ground water mediately notice that the seismic design provisions of Sections 1616 through 1623 look very different from those of the 2000 IBC1 and that the sections are much shorter than be-fore. Your purchase of ASCE 7-16 includes access to ASCE 7-10. 15, the seismic provisions of ASCE 7 93 need not be considered, and anchorage design is then based on wind considerations alone. 5-minute Quadrangle, Ventura County, California. aspx (May 2010) two paths to determine Seismic Design Category – IBC Section 1613 or ASCE 7. 45s, all based on a reference Site Class II (medium firm). Quickly retrieve site structural design parameters specified by ASCE 7-10 and ASCE 7-16, including wind, seismic, snow, ice, rain, flood, and tsunami. The website currently provides ASCE 7-16, ASCE 7-10, ASCE 41-13, ASCE 41- 17, IBC 2015, IBC 2012, NEHRP-2015, and NEHRP 2009 seismic design map  Engineers should typically use the tools below for seismic design; the parameter values ASCE 7 Hazard Tool · SEAOC/OSHPD Seismic Design Maps Tool  Seismic Design Maps. , the Seismic Code ultimately aims to avoid catastrophic collapse of the structure). 40s, and the third group as T g = 0. The U. 1a or 9. Instead of the peak ground acceleration map, Seismic Intensity is used in the seismic design provisions from ASCE (American Society of Civil Engineers) 7-05 to ASCE 7-10, which is referenced by the 2012 International Building Code. 290 (in ASCE 7-05). For building design, it has been decided that ASCE 7-10 will be Key words: long period transition map, seismic hazard, deaggregation, 3D seismic sources,  of the world's largest earthquakes, subduction zones also commonly result in SEI/ASCE 7 identifies six different Seismic Design Catego- ries, labeled A, B, C,  At present seismic design maps developed using this approach forming the basis of the current US seismic design code (ASCE, 2016). This method is consistent with probabilistic seismic hazard analysis in the treatment of uncertainty. 1998 & 2002  Seismic Design Maps · Home (current) ASCE 7-16, ASCE 7-10, ASCE 41-17, ASCE 41-13, NEHRP-2015, NEHRP-2009, IBC-2015, IBC-2012. 11 of ASCE 7 for walls of structures assigned to all other seismic design categories. 4–2013 (Technical Report) Introducing the Clark County Shear Wave Velocity ProfileShear Wave Velocity Profile Mapp( (Seismic Site Class Map)Werner K Hellmer P EWerner K. Minimum Design Loads for Buildings and Other Structures American Society of Civil Engineers, ASCE/SEI 7-10, Third Printing. • ASCE 7-05 Chapter 13 Seismic Design Requirements for Nonstructural  8 May 2019 With this approach, the seismic uniform-hazard ground motion maps are For example, according to the ASCE 7-16 (2017), the risk-targeted  tion parameter, SS, is less than 0. Individual titles are listed below. Seismic Design Specification for Buildings, Structures, Equipment, and Systems: 2016 . US UBC 1997 Seismic Zone Map Home » Resources » Library » US UBC 1997 Seismic Zone Map A helpful map of the seismic zones in the United States, according to the UBC 1997 map. 075g. 2. This article is the second of a two-part article on ASCE 7-16, Minimum Design Loads for Buildings and Other Structures, and its provisions for lateral drift determination. How to read the mapsThe colors in the maps denote “seismic design categories” (SDCs), which reflect the likelihood of experiencing earthquake shaking of various intensities. 4 or where the Seismic De- sign Category ( e. Criteria will identify where ground shaking and www. building codes adopted seismic maps that portrayed design values in Ss map for the Western U. Zone 3 = 0. It is a great time-saving tool and provides a step-by-step procedure to determine a structure's seismic design category in accordance with the 2012 IBC and ASCE 7-10. 3, foundations must be designed by a professional engineer licensed in the applicable state. com Seismic Design for Petrochemical Facilities As Per NBCC 2005 Dongxiao Wu P. American Society of Civil Engineers. 2007 CBC STRUCTURAL PROVISIONS - WIND Wind loads are addressed in ASCE 7 Chapter 6 and CBC Section 1609. ASCE 7-05: (1) wind speed map based on 3-sec gust at 33ft above ground. Zone 2A = 0. Colors on this map show the levels of horizontal shaking that have a 2-in-100 chance of being exceeded in a 50-year period. For the design of buildings in Seismic Design Category A, use ASCE 7 section 11. The ASCE Grand Challenge is a commitment to rethinking what’s possible in our industry. SEI Codes and Standards Activities Division (CSAD) supports the development of 25 ASCE/SEI Standards; The CSAD committees coordinate all activities of ASCE related to the establishment, use, or discontinuance of standards in the area of buildings, non-building structures, and non-structural components. In the topic, the manner in which ground accelerations impart design loads into the structure are described from a code perspective. The Characteristic Period (T g) has to be adjusted based on the actual site class. August 5, 2014—Engineers who work in the United States may want to brush up on their seismic design expertise. 5 of ASCE 7 for walls of structures assigned to Seismic Design Category A and to Section 12. a) Per IBC 1613. Nov 07, 2018 · The seismic response coefficient, C s, is based on Equation 12. • Several design examples have been submitted to JSE for publications. 2-1) Mapping Liquefaction-Induced Ground Failure Potential. Table 2-1 below summarizes the information found in Tables 1-1 and 9. Despite its numerous   ABSTRACT: ASCE 7-10 introduced new seismic design maps that define curve and hazard assessment were modified to account for seismic risk from  1 Jul 2019 source for information regarding the mapping seismic hazard in the Grained Soils, ASCE Journal of Geotechnical and Geoenvironmental  ASCE 7-16 describes the means for determining design loads including dead, live, New seismic maps reflecting the updated National Seismic Hazard Maps  Adjustments to MCE ground motion is designated MCEG ground the ground motion values on the ASCE 7 design maps that motion. For such structures I=1. g. org www. Understanding the Requirements for IBC Seismic-Compliant Power Systems / 5 POWER SYSTEMS TOPICS 101 z/h – Since equipment mounted on an upper floor of a building will experience greater forces than equipment mounted at ground level, the location of a power system within a building must be taken into consideration. Geological Survey 5. • Development of probabilistic tsunami hazard maps of reference sites for benchmarking Hawaii design maps Work in Progress Per Chapters 11 and 12 of the ASCE 7 Risk Category selection has major impacts on: The minimum design loads as seismic loads must be amplified by the Importance Factor defined in Table 1. 3a, 1. 3-1 Site Class Site Class • ASCE 7-10 Table 20. Werner K constructed to resist the effects of earthquake motions in accordance with ASCE 7, excluding chapter 14 and  ASCE/SEI 7-16: Minimum Design Loads and Associated Criteria for Buildings seismic maps and rewritten nonlinear analysis chapter for seismic loads • and  16 Jan 2018 motion models. 4 SLAC-I-720-0A24E-001-R005 20 December 2016 . , the ASCE-7 Standard and the U. MWFRS b. IRC Chapter 3 IBC Chapter 16 ASCE 7 Snow. result in structures with  motion criteria for the ASCE 7 standard, Proceedings of the 8th U. Seismic Exchange, Inc. The seismic response coefficient is equal to design spectral response acceleration coefficient for short period, S DS, times the seismic importance factor, I e, divided by the response modification factor, R. 3-1 From: International Building Code 2009 and ASCE 7-10 Site Class Total distance on a map. (WA), NACE CIP Level 3 Myron Basden, P. • Peak Ground Acceleration. For all other Seismic Design Categories (B – F), use ASCE 7Chapter 12: Seismic Design Requirements for Building Structures From Seismic Hazard Maps (MCE R) Site Effects Amplification Factors Function of Site Class Site Effects –General Procedure Site Class From: International Building Code 2009 and ASCE 7-10 • ASCE 7-10 Table 20. See the USGS Seismic Design Web Services for more information. iccsafe. State and local jurisdictions often refer to ASCE standards for their building codes, and revised ASCE 7-16 guidance on seismic loads mean engineers will need to incorporate increased seismic demands for conventional code-based designs in coming years. A. 1 of IBC 2015, “Every structure, and portion thereof, including nonstructural components that are permanently attached to structures and their supports and attachments, shall be designed and constructed to resist the effects of earthquake Significant Changes to the Design Load Provisions of ASCE 7-16 translates the changes to in ASCE 7-16 into a form readily accessible by structural engineers, architects, contractors, building officials and inspectors, and allied professionals, and will serve as the primary basis for transitioning to the new standard. At a minimum, a building should be evaluated and unacceptable risk mitigated when any one of the triggers in Section 2. ) HVAC components will have the same Apr 27, 2012 · ASCE 7-10: 3 wind speed map based on 3-sec gust at 33ft above ground. Risk category. Evaluation of Approximate Building Period MCEs. If the component in question is exempted by Section 13. • ASCE 7-05 Chapter 13 Seismic Design Requirements for Nonstructural Components • 2012 • ICC (International Code Conference) published the 2012 IBC • BSSC certified the 2012 IBC to satisfy NEHRP and the Federal Law • 2012 IBC specifically references ASCE 7-10 for seismic protection • ASCE 7-10 Chapter 13 Seismic Design Requirements Seismic Design and Qualification Methods: An Interpretation of the IBC 2015 ASC 7 Codes › Introduction. Albans NYC United States National Seismic Hazard Maps The U. 28 Jul 2017 Ground Motion Design Parameters. ASCE 41 (American Society of Civil Engineers 2017) is an industry standard that can be used to guide existing facility upgrade analysis and design. See figure 6. • PEER NGA West2 Project  The 2014 NEHRP Provisions will use ASCE 7-10 as the base document, implementation of seismic zones, the ground motions used to define the SDCs  ASCE 7-10 Seismic Maps. 4 a. 3 of ASCE 7-98/02 and Table 1-1 of ASCE 7-05, and ties the Seismic Use Group from the previous versions of the IBC to the Occupancy Category. 1, the seismic restraint of nonstructural components shall meet the requirements of ASCE 7. Newly updated seismic hazard maps produced by the U. • USGS National Seismic Hazard Mapping. Snow Importance Factor, \({I}_{s}\) The importance factor is something that is not just exclusive to snow load calculations, there are also ice and seismic importance factors as well. Seismic Zones. COMPARATIVE STUDY OF CODES FOR SEISMIC DESIGN OF ASCE/SEI 7-10 [1]. SEAOC / OSHPD do not intend that the use of this information replace the sound judgment of such competent professionals, having experience and knowledge in the field of practice, nor to substitute for the standard of care required of such professionals in interpreting and applying the results of the seismic data provided by this website. ASCE Library is your platform for the latest in civil engineering practice and research. ASCE702W is a spreadsheet program written in MS-Excel for the purpose of wind loading analysis for buildings and structures per the ASCE 7-02 Code. Step-by-step instructions for using one of these web services, namely that for the recently published ASCE/SEI 7-16 standard, This is a beta release of the new ATC Hazards by Location website. fema. (ASCE 7-05 Section 13. The Tsunami Loads and Effects Subcommittee of the American Society of Civil Engineers/Structural Engineering Institute has developed a new chapter on tsunami loads and effects for the 2016 edition of the ASCE/SEI 7 Standard. Checks payable to ASCE 1600 Rosecrans Avenue 4th Floor, Manhattan Beach CA 90266 310-995-9800 presents Joint ASCE and SEAOSD December Lunch Program-Seismic Design of Transit Stations for the LAX People Mover Project - Tuesday, December 17, 2019 at Hilton San Diego Mission Valley, San Diego, CA. 4 of H-18-8 Seismic Design Requirements occurs. Site class. The wind speeds are peak gusts measured 33 feet above grade in open terrain. ASCE 7-10, the 7 denotes the standard number and the 10 denotes the year the edition was published, which would be 2010 Seismic Options for New and Old Reservoirs Lance Stevens, P. 5, the component is to be seismic certified per the 2009 IBC and OSHPD (See table ASCE 7-05 Seismic Design Exceptions. 1-8. Department of Defense Unified Facilities Criteria) in other countries. Effective Seismic Weight www. Geological Survey (USGS) National Seismic Hazard Map Descriptions of IBC and ASCE 7 Risk Categories Importance Factor for Seismic I e Allowable Story Drifta,b (% story height) RISK CATEGORY I buildings represent a low hazard to human life in the event of failure, such as design parameters specified by ASCE 7-10 and ASCE 7-16, including wind, seismic, Enter your site's street address or click a location on the map to begin. The Seismic Design Category of a building which is used to place limits on the lateral force resisting systems allowed for design. Source: 1997 Edition UBC. Special Design Provisions for Wind and Seismic AWC SDPWS-2015. ft, unless analysis by the designer of record is provided that the bracing is sufficient to accommodate the anticipated lateral displacement. This two-page laminated, handy reference tool contains everything you need to know to determine one of the most important seismic design parameters, the seismic design category. The specifications of the seismic loading chapters of the International Code Council 2018 code and the ASCE 7-16 code for seismic analysis of a building using a static equivalent approach have been implemented as described in this section. Kaua'i. Most of the effort in seismic design of buildings and other structures is focused on structural design. 40g. Zone 4 = 0. Mapped spectral response acceleration parameters, S S and S 1. information from the Vibration Isolation and Seismic Control Manufacturers Association (VISCMA), the International Code Council (ICC), the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 2) of the ASCE/SEI 7-10 and 7-16 standards Seismic hazard maps one of the most recognized ways to illustrate this variation. 14-11 of ASCE 7-10, it is equal to the design spectral response acceleration coefficient for short period times the effective seismic weight times “F” divided by the response modification factor. Periodic revisions of these maps incorporate the results of new research. 20g. Seismic codes: Oregon history · ASCE 7-10: Oregon Wind Map and Risk Category code language  ASCE 7-10 provided wind maps that correspond to return periods of 300, 700, and 1,700 For example, the reliability-based seismic performance goal for Risk   20 Dec 2016 Describes requirements for seismic analysis and design of buildings, structures, equipment and systems. Seismic Design Category Reference Information (ASCE 7-05 ). The resulting revised maps appeared in ASCE 7-10, IBC-2012 and the pending IBC-2015. ASCE 7-05   Zone 1 = 0. ASCE 7-05 uses a single basic wind speed map. of TC is defined in a map in the Romanian code and TB and TD are defined in a table, Documentation for Initial Seismic Hazard Maps for Haiti . 30g. This set includes all versions of Minimum Design Loads for Buildings and Other Structures, Standard ASCE 7. Specification of Building Period. 3b, and 1. With your participation we can work towards the shared goal of reducing infrastructure life cycle costs by 50% by 2025 and foster the optimization of infrastructure for society. Risk Category. • ASCE 7 – Minimum Design Loads for Buildings and other Structures - American Society of Civil Engineers • NFPA 13 – Standard for the Installation of Sprinkler Systems – National Fire Protection Association • UFC 3-310-04 – Seismic Design for Buildings (expected late FY) • UFGS 15070 – Seismic Protection for Mechanical Eqiupment The 2016 edition of ASCE 7, which supersedes ASCE/SEI 7-10, coordinates with the most recent material standards, including the ACI, AISC, AISI, AWC, and TMS standards. 1 Structural Irregularities (ASCE 7, Section 12. Seismic Design Maps. I don't want to purchase ASCE 7-02 because I only need to look at the map once. Base Shear per ASCE/SEI 7-05 EQUIVALENT LATERAL FORCE (ELF) Procedure The following method follows the provisions of the ASCE/SEI 7-05 and may be utilized for determining the seismic base shear. Significant changes in ASCE 7-16 include the following: new seismic maps reflecting the updated National Seismic Hazard Maps; asce-sf. Z (1997   Map (Seismic Site Class Map) p( p). In 2014, USGS made revisions to the seismic hazard model underlying the maps, employing updated science, and published a new series of maps for reference by ASCE 7-16 and IBC 2018. 2 D + 1. May 15, 2017 · In this post, I will go over the first seismic design example in our seismic design of structures course covering the calculation of seismic forces. Facts About the ASCE 7-05 Wind Speed Map ASCE 4-98 (Ref. gov The ASCE is the primary authoritative source for engineering standards in the United States. ASCE 7-16 provides up-to-date and coordinated loading standards for general structural design. Two maps, a ground failure opportunity map and a ground failure susceptibility map, are combined to form the potential map. 8-2 of ASCE 7-10. 7), API 650 Appendix E (Ref. 1 AISC 341: Seismic Provisions for Structural Steel Buildings, 2010 Edition. Seismic Groups in which the first group is defined as T g = 0. "Shorelines in Exposure D include inland waterways, the great lakes, and coastal areas of California, Oregon, Washington, and Alaska" The common thread in all of these is that the basic wind speed is fairly low- hence the required "bump" in loads in Exposure D for exposed Wind Velocity in ASCE 7 -10 3/09/201 6 ASCE 7-10, “Minimum Design Loads for Buildings and Other Structures”, introduces significant changes to wind load design. Consistency with ASCE 7 seismic hazard criteria. a seismic separation joint or full height wall partition dividing areas not to exceed 2,500 sq. The map shows earthquake effects in areas of the . ASCE 7 Standard. Table 1-1 of ASCE 7-98/02 and ASCE 7-05 describes which types of buildings are assigned to which Occupancy Category. org Guide to ASCE 7-05 Using the results of the Seismic Analysis The effects on the structure and its components due to gravity loads and seismic forces shall be combined in accordance with the factored load combinations as presented in ASCE 7 except that the effect of seismic loads, E, shall be as defined herein. 1 Seismic Design Categories. Hellmer, P. 16) and the 2006 IBC MCE The Structural Engineers Association of California (SEAOC) is an authoritative world leader in the practice of structural and earthquake engineering, a nationally influential participant in structural code and standard development, and a valuable resource to practicing structural engineers. This report summarizes the methods and sources of information used to prepare the Seismic Hazard Zone Map for the Oxnard 7. Seismic force resistance is provided by shear walls or braced frames. 1 of IBC 2012, “Every structure, and portion thereof, including nonstructural components that are permanently attached to structures and their supports and attachments, shall be designed and constructed to resist the effects of earthquake Jul 28, 2017 · – National Seismic Hazard Maps provide updated estimates of 2% in 50-year uniform hazard spectra (UHS) of median (RotD50) ground motions – The design values of ASCE 7-10 were derived from the 2009 update of the NSHMP maps (USGS OFR 2008-1128) – The design values of ASCE 7-16 were derived form the 2014 ASCE 4-98 Seismic Analysis of Safety-Related Nuclear Structures Building Code Requirements for Masonry Structures (ACI 530-02/ASCE 5-02/TMS 402-02) and Specifi cations for Masonry Structures (ACI 530. Available site classes include A, B, B-estimated, C, D, D-default, E, and F. Seismic Importance Factor (I) The importance factor (I) is used to increase the margin of safety for essential and hazardous facilities. 3. 3(1) or 1616. Wind Speed – see 2012 IBC - Wind Map see 2009 IBC - Three Second Gust Wind Zones map ; See also the 3 Second Wind Speed zones layer MOA Advanced Mapper (in the “Environmental The American Society of Civil Engineers recently published a new standard, ASCE/SEI Standard 43-05, Seismic Design Criteria for Structures, Systems, and Components in Nuclear Facilities. com . This is a free Seismic Design Tool for SEAOC members, non-members, industry partners, and the public. The brevity is somewhat decep-tive. The tsunami hazard inland inundation limiting zone affected at the 2,500-year level would be identified. 2 ASCE 7: ASCE/SEI 7-10, Minimum Design Loads for Buildings and Other Structures, NCHRP 12-105 Proposed AASHTO Seismic Specifications for ABC Column Connections; NCHRP 12-106 Proposed Guidelines for Performance-Based Seismic Bridge Designs; NCHRP 12-114 Guidance on Seismic Site Response Analysis with Pore Water Pressure Generation; NCHRP 20-07/Task 193 LRFD Guidelines for the Seismic Design of Highway Bridges, Version 2 Practical Examples employing the International Building Code (IBC) regulations and the New Seismic Hazard Maps for the Eastern Caribbean ASCE 7_05 •S An interactive seismic webmap would bring an unprecedented and comprehensive amount of seismic and building information to the fingertips of the public and would help policy makers, code officials • In the map view of ARS Online, click on faults that contribute to the design response spectrum and obtain fault parameters (Fault ID, Maximum Moment Magnitude, fault type, fault dip angle, dip direction, and the top of rupture plane) up fault from the pop-information box. 1b, or IBC Table 1616. THE NEW REQUIREMENTS OF ASCE 7-16 FOR SITE-SPECIFIC GROUND MOTIONS (Interim Solution to an Identified Short-Coming in the Seismic Design Procedures of ASCE 7-10) Charlie Kircher, Ph. 35s, the second group as T g = 0. CSU Seismic Requirements November 1, 2016 Page 2 seismic performance characteristics of all CSU buildings and advises the Chancellor of actions necessary to achieve an acceptable level of seismic risk for CSU buildings. The SRB is addressed in Section 2. 2 item d) • A seismic separation joint is intended to have the same Dec 05, 2019 · Part 2: Seismic and Wind Drift. It is a direct result of the fact that the 2003 IBC makes extensive refer-ences to the 2002 edition of the ASCE mation related to seismic loads shall be shown, regardless of whether seismic loads govern the design of the lateral force-resisting system of the structure: 1. Cloud Manchester Sheridan Durham Fayetteville Coatsville Canadaigua Syracuse Castle Point Albany Providence Newington West Haven Northport Montrose Bronx Brooklyn/ St. 3) For structures assigned to Seismic Design Categories D, E, or F, the following types of The definitions contained in this Section relate to seismic design requirements for existing buildings outlined in this Chapter. The map displays the boundaries of Zones of Required Investigation for liquefaction over an area of approximately 55 square miles at a scale of 1 inch = 2,000 feet. We hear it from our customers everyday, trying to wrap your head around all the different aspects   Seismic Maps 2006 IBC specifically references ASCE 7-05 for seismic protection. cakircher@aol. Guide for Elevator Seismic Design ASME TR A17. Hawaii Ogden Juneau Anchorage Alaska Alabama Arizona Arkansas California Colorado Connecticut Delaware ASCE 7-10 v ASCE 7-16 • Except in hurricane areas, wind speeds have reduced by about 10% – More weather stations available now – Increased forestation & urbanization – Reliabilities of old maps “not right” • At high altitude locations wind pressures can be reduced considering the reduced density altitude ASME VIII-1, paragraph UG-22, requires that all external loads acting on the pressure vessel be taken into account as well. Download structural analysis software ASCE702W 2. 0 MODIFICATIONS TO THE REQUIREMENTS OF ASCE 7 FOR NEW CRITICAL AND ESSENTIAL FACILITIES ASSIGNED TO HIGH SEISMIC DESIGN CATEGORIES . The current building code seismic requirements for nonstructural components (including sprinkler systems) are provided in Chapter 13 of ASCE 7-05, 1 which are referenced by the International Building Code 2 (IBC). Now that we understand the definition of seismic roof curbs, how are they applied in the real world? Does anyone know where to find the seismic zone maps (I-V, I believe). 2010-05-25 Rev 1. These Unified Facilities Criteria (UFC) provide technical guidance for the earthquake resistant (“seismic”) design of new buildings, and nonstructural systems and components in those buildings, for the Department of Defense (DoD), based on an adaptation of the 2015 edition of the International Building Code (2015 IBC) and the structural standard referenced by it: ASCE 7-10 Minimum Design This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. SEI Standards. In ASCE 7-05, the wind-load factor for ASD H 18-8 – SEISMIC DESIGN REQUIREMENTS October 1, 2016 1 1. adopted in ASCE 7-05. Palo Alto, California . . All structures shall be assigned to a seismic design category based on their seismic use group and the design spectral response acceleration coefficients, SDS and SD1, in accordance with ASCE Table 9. Valid seismic load subcategories include I, II, III, and IV. The NEHRP Recommended Seismic Provisions. ASCE 7 seismic hazard criteria with tsunami as a coseismic effect. 2 Page 2 of 74 1. 3(2), whichever gives the most severe seismic design category. Hazards are measured as the likelihood of experiencing earthquake shaking of various intensities. Look at the commentary picture of p. United States Wind Zones Map Dover Charlestown Trenton Olympia Salem Sacramento Other Considerations Special Wind Region Hurricane Threat Region Washington D. Luco, USGS March 11, 2011 Seismic Loads Based on IBC 2012/ASCE 7-10 Based on Section 1613. E=Combined effect of horizontal and vertical earthquake induced forces as defined in Section 12. The zone for a particular site is determined from a seismic zone map (for the United States see the figure below). performance level design criteria should be determined on a case-by-case basis. Building Flood Hazard Area on a community's Flood Hazard Map or otherwise legally  A seismic hazard is the probability that an earthquake will occur in a given geographic area, Zones of similar potential earthquake shaking are thus determined and drawn on maps. There are also many minor revisions contained within the new provisions. Seismic force resistance is provided by moment-resisting frames and shear walls or braced frames as pre-scribed in Section 12. B. The 2010 edition is the first edition of ASCE-7 where the basic wind speed map from ASCE 7’s previous editions has been replaced with three ultimate design • Developing a report for ASCE for the ASCE TDZ development by June, 2015 • A server to temporarily host ASCE map products. attachments. Flat roof snow load – 40 psf minimum ; Ground snow load – 50 psf Wind. One-day seminars will be held on Sunday and Wednesday, with two sets of 2-day seminars running Monday–Tuesday, and Thursday–Friday. There were two identified non-compliant ASCE 41-17 Tier 1 checklist items: The seismic design category must be specified by a professional engineer or registered architect on the project drawings per ASCE 7. A previous MicroMetl Blog defined Seismic Curbs. (Ground Acceleration). Typically, a high seismic hazard zone is nearest a seismic zone where there are more earthquakes, and a lower seismic hazard zone is farther away from a seismic zone. Facebook Twitter Google Email Seismic Design Maps & Tools Risk-Targeted Ground Motion Calculator Use the Tool Documentation & Help Hazards Data & Products Learn Monitoring Research Search Home About Us Contacts Legal The website currently provides ASCE 7-16, ASCE 7-10, ASCE 41-13, ASCE 41-17, IBC 2015, IBC 2012, NEHRP-2015, and NEHRP 2009 seismic design map data. Resource Links - USGS 2008 Hazard Data loads. Seismic Design Map. shall include both horizontal and vertical effects, The wind load provisions of ASCE 7-10, that is The American Society of Civil Engineers, an organization of engineers that develops national standards. Dual System: A structural system with an essentially complete space frame providing support for vertical loads. Safe use of buildings subjected to possible earthquake damaged is addressed in using the 2009 IBC follow ASCE 7-05, Section 13. miles of proprietary seismic data at your fingertips Abstract. 8. asce seismic map

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