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FEMA P 2078 2020

FEMA P 2078 2020

$52.65

FEMA P-2078: Procedures for Developing Multi-Period Response Spectra at Non-Conterminous United States Sites

Published By Publication Date Number of Pages
FEMA 2020 558
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PDF Catalog

PDF Pages PDF Title
1 FEMA P-2078
3 Procedures for Developing
Multi-Period Response Spectra at Non-Conterminous United States Sites
5 Preface
7 Executive Summary
9 Table of Contents
13 List of Figures
43 List of Tables
85 Chapter 1: Introduction
1.1 Purpose
1.2 Objectives
86 1.3 Scope
87 1.4 Report Organization
89 Chapter 2: Background
2.1 Relevant Seismic Code Development Work
90 2.2 Summary of MPRS Proposals for the 2020 NEHRP Provisions
2.2 Summary of MPRS Proposals for the 2020 NEHRP Provisions
2.2.1 Key Changes to the Seismic Design Criteria of Chapter 11
93 2.2.2 Key Changes to the Site Classification Criteria of Chapter 20
94 2.2.3 Key Changes to the Site-Specific Ground Motion Procedures of Chapter 21
96 2.2.4 Key Changes to the Seismic Ground Motion Maps of Chapter 22
97 2.3 2018 Update of the National Seismic Hazard Model
99 Chapter 3: Study Approach and Methods
3.1 General Approach and Methods
3.1.1 Definition of Multi-Period Response Spectra (MPRS)
100 3.1.2 Key Hazard Parameters Influencing Spectral Shape
103 3.1.3 Frequency Content of MPRS Derived from WUS Crustal and Subduction Earthquake Ground Motion Models
105 3.2 Response Spectrum Shape Parameters (RSSPs)
106 3.2.1 Census Tract-Based Data
107 3.2.2 Development of Probabilistic RSSPs
110 3.2.3 Development of Deterministic RSSPs
111 3.3 Development of Probabilistic and Deterministic MPRS
112 3.3.1 Selection of Short-Period and Long-Period RSSPs
3.3.2 Determination of Short-Period and Long-Period Response Domains
113 3.3.3 Calculation of Short-Period and Long-Period MPRS
3.3.4 Calculation of Mid-Period MPRS
114 3.4 Development of Site-Specific MCER Ground Motions
115 Chapter 4: Development of Probabilistic Multi-Period Response Spectra
116 4.1 Approach and Methods
4.1.1 Overview
117 4.1.2 Development of Site-Specific Probabilistic Hazard Curves
118 4.1.3 Development of Site-Specific Probabilistic MPRS and RSSPs
119 4.2 Probabilistic RSSPs for (TL, SS, RS/1) Bins
128 4.2.1 Influence of Site Conditions on Frequency Content
134 4.2.2 Influence of Ground Motion Level, Ss, and Spectral Response Ratio, RS/1, on Frequency Content
135 4.2.3 Influence of the Long-Period Transition Period, TL, on Frequency Content
4.3 Generic Probabilistic RSSPs
138 4.4 Procedure for Developing Site-Specific Probabilistic MPRS
4.4.1 Probabilistic Input Parameters
139 4.4.2 Selection of Probabilistic RSSPs
140 4.4.3 Calculation of Probabilistic MPRS
4.5 Example Set of Probabilistic MPRS for Irvine, California
141 4.5.1 Irvine Site
142 4.5.2 Derived Probabilistic MPRS
146 4.5.3 Comparison of Probabilistic MPRS
151 Chapter 5: Development of Deterministic Multi-Period Response Spectra
5.1 Approach and Methods
5.1.1 Overview
152 5.1.2 NGA-West2 Spreadsheet Calculation of MCER Ground Motion Response Spectra
153 5.1.3 Values of Source and Site Parameters
5.1.4 Average 84th Percentile Response of NGA-West2 GMMs
155 5.2 Generic Deterministic RSSPs
162 5.3 Procedure for Developing Site-Specific Deterministic MPRS
5.3.1 Deterministic Input Parameters
5.3.2 Selection and Interpolation of Short-Period and Long-Period RSSPs
163 5.3.3 Calculation of Deterministic MPRS
164 5.4 Example Set of Deterministic MPRS for San Mateo, California
5.4.1 San Mateo Site
165 5.4.2 Derived Deterministic MPRS
166 5.4.3 Comparison of Deterministic MPRS
171 5.5 Deterministic Lower Limit MCER Response Spectra
5.5.1 Background
172 5.5.2 Approach
174 5.5.3 Lower Limit Deterministic MPRS
179 Chapter 6: Validation of Derived Multi-Period Response Spectra
180 6.1 Calculation of MPRS at 34 WUS and CEUS Sites
6.1.1 Proposed MPRS and Parameters SMS and SM1
183 6.1.2 Derived MPRS and Parameters SMS and SM1
186 6.2 Comparison of Ground Motion Parameters SMS and SM1 of Derived MPRS with those of Proposed MPRS
198 6.3 Comparison of Derived MPRS and Proposed MPRS
249 Chapter 7: Example Development of Multi-Period Response Spectra for Six Non-Conterminous U.S. Sites
250 7.1 Example Non-Conterminous U.S. Sites
251 7.2 Development of Probabilistic and Deterministic MPRS
253 7.2.1 Hilo, Hawaii
254 7.2.2 Honolulu, Hawaii
255 7.2.3 Anchorage, Alaska
256 7.2.4 Fairbanks, Alaska
257 7.2.5 San Juan, Puerto Rico
258 7.2.6 Anderson AFB, Guam
259 7.3 Derived MPRS and Ground Motion Parameters SMS and SM1
260 7.3.1 Hilo, Hawaii
261 7.3.2 Honolulu, Hawaii
262 7.3.3 Anchorage, Alaska
263 7.3.4 Fairbanks, Alaska
264 7.3.5 San Juan, Puerto Rico
265 7.3.6 Anderson AFB, Guam
267 Chapter 8: Summary and Recommendations
8.1 Summary
268 8.2 Key Results
275 8.3 Recommendations
277 Appendix A: Development of Census Tract-Based Ground Motion Data
A.1 Census Tract Sites
278 A.2 Collection and Sorting of Ground Motion Data
280 A.3 Binning of Ground Motions
A.4 Sets of Probabilistic MPRS
285 Appendix B: Probabilistic Response Spectrum Shape Parameters
327 Appendix C: Deterministic Response Spectrum Shape Parameters
343 Appendix D: Multi-Period Response Spectra of 34 U.S. City Sites Proposed for the 2020 NEHRP Provisions and ASCE 7-22
344 D.1 Proposed Probabilistic MCER Ground Motions
378 D.2 Proposed Deterministic MCER Ground Motions (without the Lower Limit)
412 D.3 Proposed MCER Ground Motions
447 Appendix E: Multi-Period Response Spectra of 34 U.S. City Sites Derived from Parameters SS, S1, and TL
448 E.1 Derived Probabilistic MCER Ground Motions
482 E.2 Derived Deterministic MCER Ground Motions (without the Lower Limit)
516 E.3 Derived MCER Ground Motions
551 References
555 Project Participants
558 Back Cover

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