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FEMA P795 2011

FEMA P795 2011

$59.15

FEMA P-795 – Quantification of Building Seismic Performance Factors: Component Equivalency Methodology

Published By Publication Date Number of Pages
FEMA 2011 292
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PDF Catalog

PDF Pages PDF Title
1 FEMA P-795 Cover
3 01-Titlepage
5 02a-Foreword
7 02-Preface
9 03-Table of Contents
17 04-List of Figures
25 05-List of Tables
29 06-Chapter_1
1.1 Background and Purpose
31 1.2 Objectives and Scope
32 1.3 Assumptions and Limitations
1.3.1 Equivalency Approach
1.3.2 Suitability of Proposed Components
33 1.3.3 Suitability of the Reference Seismic-Force-Resisting System
34 1.3.4 Limitations on Test Data and Design Requirements
35 1.4 Anticipated Use and Implementation
1.5 Technical Approach
36 1.5.1 Identification of Key Component Performance Parameters
1.5.2 Development of Component Testing Requirements
37 1.5.3 Development of Probabilistic Acceptance Criteria
38 1.6 Content and Organization
41 07-Chapter_2
2.1 Introduction
2.1.1 Scope
42 2.1.2 General Approach
2.1.3 Description of Process
44 2.1.4 Terminology
46 2.1.5 Notation
47 2.1.6 Statistical Notation
48 2.2 Component Testing Requirements
49 2.2.1 General Requirements for Component Testing
50 2.2.2 Cyclic-Load Testing
Cyclic-Load Testing Protocol
51 Number of Cyclic Test Specimens
52 Cyclic-Load Test Data
53 Construction of the Cyclic Envelope Curve
2.2.3 Monotonic-Load Testing
54 Monotonic-Load Testing Protocol
Number of Monotonic-Load Test Specimens
Monotonic-Load Test Data
55 2.3 Applicability Criteria
56 2.3.1 Required Information and Data
2.3.2 Reference Seismic-Force-Resisting System: Collapse Performance Criteria
2.3.3 Quality Rating Criteria
2.3.4 General Criteria
57 2.4 Reference Component Test Data Requirements
2.4.1 Define Reference Component Design Space
58 2.4.2 Compile or Generate Reference Component Test Data
2.4.3 Interpret Reference Component Test Results
2.4.4 Define Reference Component Performance Groups
59 2.4.5 Compute Summary Statistics
2.5 Proposed Component Design Requirements
2.5.1 Component Design Strength and Stiffness
60 2.5.2 Component Detailing Requirements
2.5.3 Component Connection Requirements
2.5.4 Limitations on Component Applicability and Use
2.5.5 Component Construction, Inspection, and Maintenance Requirements
61 2.6 Proposed Component Test Data Requirements
2.6.1 Define Proposed Component Design Space
2.6.2 Select Proposed Component Configurations for Testing
2.6.3 Perform Cyclic-Load and Monotonic-Load Tests
2.6.4 Interpret Proposed Component Test Results
62 2.6.5 Define Proposed Component Performance Groups
2.6.6 Compute Summary Statistics
2.7 Quality Rating Criteria
2.7.1 Quality Rating of Test Data
Completeness and Robustness of Tests
63 Confidence in Test Results
64 2.7.2 Quality Rating of Design Requirements
Completeness and Robustness of Design Requirements
65 Confidence in Design Requirements
2.8 Component Equivalency Acceptance Criteria
2.8.1 Overall Approach to Establishing Equivalency
2.8.2 Requirements Based on Cyclic-Load Test Data: Strength and Ultimate Deformation Capacity
Requirements for Component Performance Groups
67 Requirements for Individual Component Configurations
2.8.3 Requirements Based on Cyclic-Load Test Data: Effective Initial Stiffness
68 2.8.4 Requirements Based on Cyclic-Load Test Data: Effective Ductility Capacity
2.8.5 Requirements Based on Monotonic-Load Test Data: Ultimate Deformation
69 2.9 Documentation and Peer Review Requirements
2.9.1 Documentation
2.9.2 Documentation of Test Data
70 2.9.3 Peer Review Panel Requirements
2.9.4 Peer Review Panel Selection
71 2.9.5 Peer Review Panel Responsibilities
73 08-Chapter_3.pdf
3.1 Introduction
74 3.2 Component Testing Requirements
75 3.2.1 General Requirements for Component Testing
76 Load Application (Vertical Loads)
Testing of Materials
Testing of the Connection between the Proposed Component and the Balance of the Seismic-Force-Resisting System
3.2.2 Cyclic-Load Testing
Cyclic-Load Testing Protocol
78 Number of Cyclic Test Specimens
79 Cyclic-Load Test Data
Construction of the Cyclic Envelope Curve
84 3.2.3 Monotonic-Load Testing
3.3 Applicability Criteria
3.3.1 Required Information and Data
85 3.3.2 Reference Seismic-Force-Resisting System: Collapse Performance Criteria
3.3.3 Quality Rating Criteria
3.3.4 General Criteria
92 3.4 Reference Component Test Data Requirements
93 3.4.1 Define Reference Component Design Space
94 3.4.2 Compile or Generate Reference Component Test Data
3.4.3 Interpret Reference Component Test Results
3.4.4 Define Reference Component Performance Groups
97 3.4.5 Compute Summary Statistics
3.5 Proposed Component Design Requirements
98 3.5.1 Component Design Strength and Stiffness
3.5.2 Component Detailing Requirements
3.5.3 Component Connection Requirements
99 3.5.4 Limitations on Component Applicability and Use
3.5.5 Component Construction, Inspection, and Maintenance Requirements
3.6 Proposed Component Test Data Requirements
3.6.1 Define Proposed Component Design Space
100 3.6.2 Select Proposed Component Configurations for Testing
3.6.3 Perform Cyclic-Load and Monotonic-Load Tests
3.6.4 Interpret Proposed Component Test Results
3.6.5 Define Proposed Component Performance Groups
101 3.6.6 Compute Summary Statistics
3.7 Quality Rating Criteria
3.7.1 Quality Rating of Test Data
102 Completeness and Robustness of Tests
103 Confidence in Test Results
3.7.2 Quality Rating of Design Requirements
104 Completeness and Robustness of Design Requirements
105 Confidence in Design Requirements
3.8 Component Equivalency Acceptance Criteria
3.8.1 Overall Approach to Establishing Equivalency
106 3.8.2 Requirements Based on Cyclic-Load Test Data: Strength and Ultimate Deformation
Requirements for Component Performance Groups
108 Requirements for Individual Component Configurations
3.8.3 Requirements Based on Cyclic-Load Test Data: Effective Initial Stiffness
109 3.8.4 Requirements Based on Cyclic-Load Test Data: Effective Ductility Capacity
3.8.5 Requirements Based on Monotonic-Load Test Data: Ultimate Deformation
110 3.9 Documentation and Peer Review Requirements
113 09-Chapter_4.pdf
4.1 Introduction
4.2 Component Testing Requirements
114 4.3 Evaluation of Applicability Criteria
4.4 Reference Component Test Data
4.4.1 Define Reference Component Design Space
4.4.2 Compile or Generate Reference Component Test Data
115 4.4.3 Interpret the Reference Component Test Results
121 4.4.4 Define Reference Component Performance Groups
4.4.5 Compute Summary Statistics
122 4.5 Proposed Component Design Requirements
4.5.1 Component Design Strength and Stiffness
123 4.5.2 Component Detailing Requirements
124 4.5.3 Component Connection Requirements
125 4.5.4 Limitations on Component Applicability and Use
4.5.5 Component Construction, Inspection, and Maintenance Requirements
4.6 Proposed Component Test Data
4.6.1 Define Proposed Component Design Space
126 4.6.2 Select Proposed Component Configurations for Testing
127 4.6.3 Perform Cyclic-Load and Monotonic-Load Tests
128 4.6.4 Interpret Proposed Component Test Results
129 4.6.5 Define Proposed Component Performance Groups
Performance Parameters based on Cyclic-Load Testing:
130 Performance Parameters based on Monotonic-Load Testing:
4.6.6 Compute Summary Statistics
4.7 Evaluate Quality Ratings
4.7.1 Quality Rating of Test Data
131 4.7.2 Quality Rating of Design Requirements
132 4.8 Evaluate Component Equivalency
4.8.1 Overview
4.8.2 Requirements Based on Cyclic-Load Test Data: Strength and Ultimate Deformation
134 4.8.3 Requirements Based on Cyclic-Load Test Data: Effective Initial Stiffness
135 4.8.4 Requirements Based on Cyclic-Load Test Data: Effective Ductility Capacity
4.8.5 Requirements Based on Monotonic-Load Test Data: Ultimate Deformation
136 4.9 Summary of Example Component Equivalency Evaluation
137 10-Chapter_5.pdf
5.1 Introduction
5.2 Findings from Supporting Studies
5.2.1 Key Performance Parameters
138 Deformation Capacity
139 Strength
140 5.2.2 Cyclic-Load and Monotonic-Load Test Data Requirements
141 5.2.3 Probabilistic Acceptance Criteria
142 5.3 Findings of Test Applications
5.3.1 General Findings
Performance Groups
143 Available Test Data
Cyclic-Load Testing Protocol
Iterative Process for Component Equivalency
144 5.3.2 Specific Findings: Stapled-Wood Shear Wall Components
5.3.3 Specific Findings: Buckling-Restrained Brace Components
145 5.3.4 Specific Findings: Pre-Fabricated Wall Components
5.3.5 Specific Findings: Nailed Wood Shear Wall Reference Component Data Set
146 5.4 Recommendations for Further Study
5.4.1 Compilation of Available Reference System Benchmark Data
5.4.2 Development of Additional Reference System Benchmark Data
147 5.4.3 Development of Standard Cyclic-Load Testing Methods
5.4.4 Implications for Design Requirements Related to Overstrength
149 11-Appendix_A.pdf
A.1 Introduction
A.2 Representative Component Behavior
152 A.3 Literature Review
A.3.1 Collapse Studies
154 A.3.2 Non-Collapse Studies
157 A.4 Wood Light-Frame Building Collapse Sensitivity Studies
A.4.1 Building Models and Baseline Component Parameter Values
160 A.4.2 Sensitivity Study Results for Three-Story Building: Full Replacement
163 A.4.3 Sensitivity Study Results for Three-Story Planar Model: Mixing-and-Matching Over the Height of Building
169 A.4.4 Sensitivity Study Results for Three-Story Three-Dimensional Model: Mixing-and-Matching of Walls in Plan and Over Height
172 A.4.5 Summary of Parameter Importance for Wood Light-Frame Buildings
174 A.5 Reinforced Concrete Special Moment Frame Collapse Sensitivity Study
177 A.6 Summary of Key Component Parameters
181 12-Appendix_B.pdf
B.1 Introduction
B.2 Cyclic-Load Test Data Considerations
182 B.2.1 Importance of Cyclic-Loading History
183 B.2.2 Overview of Commonly Used Loading Protocols
185 B.2.3 Selection of Acceptable Loading Histories and Protocols
187 Limits of Normalized Cumulative Deformation Demand
188 Selection Criteria for Proposed Component Loading History
190 B.2.4 Special Case: Same Loading Protocol Used to Generate Proposed and Reference Component Data
B.2.5 Illustration: Comparison of Loading Histories
Computation of Normalized Cumulative Deformation
192 Comparison of Loading Histories for Proposed and Reference Component Tests
193 B.2.6 Additional Considerations for Cyclic-Load Testing
B.3 Monotonic-Load Test Data Considerations
194 B.3.1 Importance of Monotonic-Load Test Data in Component Methodology
196 B.3.2 Illustration: Limitations of Using Only Cyclic-Load Test Data for Component Equivalency
199 B.3.3 Monotonic-Load Test Data Requirements
201 13-Appendix_C.pdf
C.1 Introduction
C.2 Collapse Capacity Fragilities and the Effects of Uncertainty
204 C.3 Effect of Changes in Deformation Capacity on the Collapse Fragility
207 C.4 Effect of Changes in Strength on the Collapse Fragility
210 C.5 Probabilistic Acceptance Criterion Used in Component Equivalency Methodology
C.5.1 Overall Approach
C.5.2 Development of the Penalty Factor for Differences in Uncertainty
212 C.5.3 Development of the Penalty Factor for Differences in Strength
215 14-Appendix_D.pdf
D.1 Introduction
D.2 Description of Stapled Wood Shear Walls
217 D.3 Evaluation of Applicability Criteria
218 D.4 Reference Component Test Data
D.4.1 Define the Reference Component Design Space
D.4.2 Compile or Generate Reference Component Test Data
219 D.4.3 Interpret Reference Component Test Results
223 D.4.4 Define Reference Component Performance Groups
D.4.5 Compute Summary Statistics
D.5 Proposed Component Design Requirements
D.5.1 Component Design Strength and Stiffness
224 D.5.2 Component Detailing Requirements
226 D.5.3 Component Connection Requirements
D.5.4 Limitations on Component Applicability and Use
D.5.5 Component Construction, Inspection, and Maintenance Requirements
227 D.6 Proposed Component Test Data
D.6.1 Define Proposed Component Design Space
D.6.2 Select Component Configurations for Testing
D.6.3 Perform Cyclic-Load and Monotonic-Load Tests
228 D.6.4 Interpret Proposed Component Test Results
229 D.6.5 Define Proposed Component Performance Groups and Compute Summary Statistics
230 D.7 Evaluate Quality Ratings
D.7.1 Quality Rating of Test Data
D.7.2 Quality Rating of Design Requirements
231 D.8 Evaluate Component Equivalency
D.8.1 Overview
D.8.2 Requirements Based on Cyclic-Load Test Data: Strength and Ultimate Deformation
233 D.8.3 Requirements Based on Cyclic-Load Test Data: Effective Initial Stiffness
234 D.8.4 Requirements Based on Cyclic-Load Test Data: Effective Ductility Capacity
D.8.5 Requirements Based on Monotonic-Load Test Data: Ultimate Deformation
D.8.6 Summary of Component Equivalency Evaluation
D.9 Iteration: Evaluate Component Equivalency with Modifications
235 D.10 Summary of Component Equivalency Evaluation of Stapled Wood Shear Walls
237 15-Appendix_E.pdf
E.1 Introduction
238 E.2 Description of Buckling-Restrained Braces
239 E.3 Evaluation of Applicability Criteria
241 E.4 Reference Component Test Data
E.4.1 Define Reference Component Design Space
242 E.4.2 Define Reference Component Performance Groups
E.4.3 Compile or Generate Reference Component Test Data
245 E.4.4 Interpret Reference Component Test Results
249 E.4.5 Compute Summary Statistics
250 E.5 Proposed Component Design Requirements
251 E.5.1 Component Design Strength and Stiffness
252 E.5.2 Component Detailing Requirements
E.5.3 Component Connection Requirements
E.5.4 Limitations on Component Applicability and Use
E.5.5 Component Construction, Inspection, and Maintenance Requirements
Construction, inspection, and maintenance requirements for BRBs follow AISC 341-10 provisions for quality assurance which include requirements for written description of qualifications, procedures, quality inspections, resources, and records to be use…
253 E.6 Proposed Component Test Data
255 E.6.1 Define Proposed Component Design Space
E.6.2 Select Component Configurations for Testing
256 E.6.3 Perform Cyclic-Load and Monotonic-Load Tests
257 E.6.4 Interpret Proposed Component Test Results
259 E.6.5 Compute Summary Statistics
E.7 Evaluate Quality Ratings
E.7.1 Quality Rating of Test Data
260 E.7.2 Quality Rating of Design Requirements
261 E.8 Evaluate Component Equivalency
E.8.1 Overview
E.8.2 Requirements Based on Cyclic-Load Test Data: Strength and Ultimate Deformation
262 E.8.3 Requirements Based on Cyclic-Load Test Data: Effective Initial Stiffness
E.8.4 Requirements Based on Cyclic-Load Test Data: Effective Ductility Capacity
263 E.8.5 Requirements Based on Monotonic Load Test Data: Ultimate Deformation
E.8.6 Summary of Component Equivalency Evaluation
264 E.9 Loading Protocol Suitability
266 E.10 Summary of Component Equivalency Evaluation of Buckling-Restrained Braces
E.11 Limitations of Test Application
E.11.1 Reference Component Test Data Do Not Fully Represent the Design Space
E.11.2 The Equivalency Evaluation May Not Adequately Account for System Differences
267 E.11.3 Component Parameters are Approximate
269 17-Appendix_F.pdf
F.1 Introduction
F.2 Description of Pre-Fabricated Wall Component
270 F.3 Evaluation of Applicability Criteria
271 F.4 Reference Component Test Data
F.5 Proposed Component Design Requirements
272 F.6 Proposed Component Test Data
274 F.7 Evaluate Quality Ratings
F.7.1 Quality Rating of Test Data
275 F.7.2 Quality Rating of Design Requirements
F.8 Evaluate Component Equivalency
F.8.1 Overview
276 F.8.2 Requirements Based on Cyclic-Load Test Data: Strength and Ultimate Deformation
277 F.8.3 Requirements Based on Cyclic-Load Test Data: Effective Initial Stiffness
F.8.4 Requirements Based on Cyclic Test Data: Effective Ductility Capacity
278 F.8.5 Requirements Based on Monotonic Load Test Data: Ultimate Deformation
279 F.9 Summary of Component Equivalency Evaluation of Pre-Fabricated Wall Components
281 18-References.pdf
291 19-ProjectParticipants.pdf
ATC Management and Oversight
FEMA Project Officer
FEMA Technical Monitor
Project Management Committee
Stanford, California 94305
292 Working Groups
Project Review Panel

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FEMA P795 2011
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