{"id":369527,"date":"2024-10-20T02:15:19","date_gmt":"2024-10-20T02:15:19","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/fema-p-2091-2020\/"},"modified":"2024-10-26T03:51:40","modified_gmt":"2024-10-26T03:51:40","slug":"fema-p-2091-2020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/fema\/fema-p-2091-2020\/","title":{"rendered":"FEMA P 2091 2020"},"content":{"rendered":"

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\n00-FEMAP-2091_Cover_508 <\/td>\n<\/tr>\n
2<\/td>\nBlank Page <\/td>\n<\/tr>\n
3<\/td>\n01-FEMAP-2091-TitlePage_20201202_508 <\/td>\n<\/tr>\n
5<\/td>\n02-ATC-144 Preface_20201202_508 <\/td>\n<\/tr>\n
7<\/td>\n03-FEMAP-2091-ToC_AH20201015_508 <\/td>\n<\/tr>\n
11<\/td>\n04-FEMAP-2091_LoF_508 <\/td>\n<\/tr>\n
16<\/td>\nBlank Page <\/td>\n<\/tr>\n
17<\/td>\n05-FEMAP-2091_LoT_508 <\/td>\n<\/tr>\n
20<\/td>\nBlank Page <\/td>\n<\/tr>\n
21<\/td>\n08-ATC-144 Chapter 1 Intro_20201202_508
1.1 Overview
1.2 Types of Soil-Structure Interaction Modeling <\/td>\n<\/tr>\n
22<\/td>\n1.3 Purpose of the Guide
1.4 Scope of the Guide
1.5 Target Audience for the Guide <\/td>\n<\/tr>\n
23<\/td>\n1.6 Key SSI Terminology <\/td>\n<\/tr>\n
24<\/td>\n1.7 Tips for Understanding and Implementing SSI <\/td>\n<\/tr>\n
25<\/td>\n1.8 Organization of the Guide <\/td>\n<\/tr>\n
27<\/td>\n09-ATC-144 Chapter 2 Where SSI is Important 20201202_508
2.1 Overview
2.2 Large Building Footprint Reduces Design Forces <\/td>\n<\/tr>\n
28<\/td>\n2.3 Substantial Foundation Embedment Reduces Design Forces
2.4 High Structure-to-Soil Stiffness Ratios Will Lengthen Period and Change Design Forces <\/td>\n<\/tr>\n
30<\/td>\n2.5 Foundation Rocking Impacts Superstructure Behavior <\/td>\n<\/tr>\n
33<\/td>\n10-ATC-144 Chapter 3 Rule of Thumb 20201202_508
3.1 Overview
3.2 Key Equation <\/td>\n<\/tr>\n
34<\/td>\n3.3 Determining Average Effective Shear Wave Velocity
Step 1: Determine footing embedment depth, e.
Step 2: Determine the effective profile depth, zp.
Step 3: Determine the effective depth for foundation rotation, e + zp.
Step 4: Determine the average low strain shear wave velocity, vso, over the effective depth for foundation rotation. <\/td>\n<\/tr>\n
35<\/td>\nStep 5: Determine the effective shear wave velocity ratio, vs \/ vso.
Step 6: Determine the average effective shear wave velocity, vs.
3.4 Determining Fundamental Period of the Structure <\/td>\n<\/tr>\n
36<\/td>\n3.5 Example
3.5.1 Building Description <\/td>\n<\/tr>\n
38<\/td>\n3.5.2 Average Effective Shear Wave Velocity
Step 1: Determine footing embedment depth, e.
Step 2: Determine the effective profile depth, zp.
Step 3: Determine the effective depth for foundation rotation, r.
Step 4: Determine the average low strain shear wave velocity, vso, over the rocking depth.
Step 5: Determine the effective shear wave velocity ratio, vs \/ vso.
Step 6: Determine the average effective shear wave velocity, vs. <\/td>\n<\/tr>\n
39<\/td>\n3.5.3 Fundamental Period of the Structure
3.5.4 Structure-to-Soil Stiffness Ratio
3.6 Comparisons Using Site Class <\/td>\n<\/tr>\n
43<\/td>\n11-ATC-144 Chapter 4 Base Slab Averaging_20201202_508
4.1 Overview <\/td>\n<\/tr>\n
44<\/td>\n4.2 Key Equations <\/td>\n<\/tr>\n
45<\/td>\n4.3 Determining Effective Foundation Size
4.4 Determining whether Base Slab Averaging Applies <\/td>\n<\/tr>\n
46<\/td>\n4.5 Limitations and Issues <\/td>\n<\/tr>\n
47<\/td>\n4.6 Example <\/td>\n<\/tr>\n
50<\/td>\nBlank Page <\/td>\n<\/tr>\n
51<\/td>\n12-ATC-144 Chapter 5 Embedment 20201202_508
5.1 Overview
5.2 Key Equation <\/td>\n<\/tr>\n
52<\/td>\n5.3 Determining Depth of Embedment <\/td>\n<\/tr>\n
56<\/td>\n5.4 Limitations and Issues <\/td>\n<\/tr>\n
57<\/td>\n5.5 Example <\/td>\n<\/tr>\n
62<\/td>\nBlank Page <\/td>\n<\/tr>\n
63<\/td>\n13-ATC-144 Chapter 6 Soil Flexibility_AH20201202_508
6.1 Overview <\/td>\n<\/tr>\n
64<\/td>\n6.2 Soil Properties for Flexibility Calculations <\/td>\n<\/tr>\n
65<\/td>\n6.3 Vertical and Rotational Springs
6.3.1 Method 1 \u2013 Rigid Foundation and Flexible Soil <\/td>\n<\/tr>\n
70<\/td>\n6.3.2 Method 2 \u2013 Flexible Foundation and Nonlinear Flexible Soil
6.3.3 Method 3 \u2013 Flexible Foundation and Linear Flexible Soil <\/td>\n<\/tr>\n
71<\/td>\n6.4 Horizontal Springs <\/td>\n<\/tr>\n
72<\/td>\n6.4.1 Method 1 <\/td>\n<\/tr>\n
74<\/td>\n6.4.2 Resistance due to Passive Pressure <\/td>\n<\/tr>\n
75<\/td>\n6.4.3 Resistance due to Friction or Cohesion <\/td>\n<\/tr>\n
76<\/td>\n6.5 Bounding Analyses
6.6 Vertical and Rotational Spring Example <\/td>\n<\/tr>\n
77<\/td>\n6.6.1 Method 1
6.6.2 Method 3 <\/td>\n<\/tr>\n
78<\/td>\n6.7 Horizontal Spring Example
6.7.1 Method 1 <\/td>\n<\/tr>\n
79<\/td>\n6.7.2 Passive Pressure and Friction <\/td>\n<\/tr>\n
80<\/td>\nBlank Page <\/td>\n<\/tr>\n
81<\/td>\n14-ATC-144 Chapter 7 Period Lengthening_20201202_508
7.1 Overview <\/td>\n<\/tr>\n
82<\/td>\n7.2 Key Equation <\/td>\n<\/tr>\n
85<\/td>\n7.3 Examples to Illustrate Dynamic Response <\/td>\n<\/tr>\n
91<\/td>\n7.4 Example Using Code Equations <\/td>\n<\/tr>\n
92<\/td>\n7.4.1 Calculations for the Fixed-Base Condition <\/td>\n<\/tr>\n
93<\/td>\n7.4.2 Calculations for the Flexible-Base Condition <\/td>\n<\/tr>\n
95<\/td>\n7.4.3 Summary of Design Demands <\/td>\n<\/tr>\n
97<\/td>\n15-ATC-144 Chapter 8 Foundation Damping_20201202_508
8.1 Overview <\/td>\n<\/tr>\n
98<\/td>\n8.2 Foundation Damping Requirements <\/td>\n<\/tr>\n
100<\/td>\n8.3 Effective Damping Ratio <\/td>\n<\/tr>\n
101<\/td>\n8.4 Soil Damping
8.4.1 Discussion <\/td>\n<\/tr>\n
102<\/td>\n8.4.2 Soil Damping Example <\/td>\n<\/tr>\n
104<\/td>\n8.5 Radiation Damping
8.5.1 Discussion <\/td>\n<\/tr>\n
105<\/td>\n8.5.2 Radiation Damping Example <\/td>\n<\/tr>\n
112<\/td>\n8.6 Limitations and Issues
8.6.1 Limitations on the Influence of Radiation Damping
8.6.2 Potential Code Changes Related to Foundation Damping <\/td>\n<\/tr>\n
114<\/td>\nBlank Page <\/td>\n<\/tr>\n
115<\/td>\n16-ATC-144 Chapter 9 Basements AH20201104_508
9.1 Overview
9.2 Past Analytical Comparisons of Different Models
9.2.1 Models Studied <\/td>\n<\/tr>\n
118<\/td>\n9.2.2 Recommended Models <\/td>\n<\/tr>\n
119<\/td>\n9.3 Models for Buildings on Relatively Level Grade
9.3.1 Example Building
9.3.2 Model 1 for Example Building <\/td>\n<\/tr>\n
121<\/td>\n9.3.3 Model 2 for Example Building <\/td>\n<\/tr>\n
123<\/td>\n9.4 Models for Buildings on Sloping Grade
9.4.1 Example Building <\/td>\n<\/tr>\n
124<\/td>\n9.4.2 Model 2 for Example Building <\/td>\n<\/tr>\n
126<\/td>\nBlank Page <\/td>\n<\/tr>\n
127<\/td>\n17-ATC-144 Chapter 10 Conclusions and Recs_20201221_508
10.1 Overview
10.2 Conclusions <\/td>\n<\/tr>\n
128<\/td>\n10.3 Other Helpful Resources
10.4 Comparison of SSI Provisions
10.5 Recommendations
10.5.1 Recommendations for Code Developers <\/td>\n<\/tr>\n
129<\/td>\nTechnical Revisions <\/td>\n<\/tr>\n
130<\/td>\nEditorial Revisions <\/td>\n<\/tr>\n
132<\/td>\n10.5.2 Recommendations for Further Study <\/td>\n<\/tr>\n
135<\/td>\n18-ATC-144 App A Two-Story Example_20201202_508
A.1 Overview <\/td>\n<\/tr>\n
136<\/td>\nA.1.1 Outline of the Example
A.1.2 Limitations in ASCE\/SEI 7-16 Chapter 19
A.2 Site Description <\/td>\n<\/tr>\n
139<\/td>\nA.3 Building Description
A.3.1 Gravity Framing
A.3.2 Lateral Framing <\/td>\n<\/tr>\n
140<\/td>\nA.3.3 Gravity Loads and Seismic Weight <\/td>\n<\/tr>\n
141<\/td>\nA.3.4 Foundation System <\/td>\n<\/tr>\n
143<\/td>\nA.4 Initial Design
A.4.1 Base Shear per ASCE\/SEI 7-16 Chapter 12 Equivalent Lateral Force Procedure <\/td>\n<\/tr>\n
144<\/td>\nA.4.2 Brace Design <\/td>\n<\/tr>\n
145<\/td>\nA.4.3 Foundation Design <\/td>\n<\/tr>\n
146<\/td>\nA.4.3.1 Transverse Frame Foundation <\/td>\n<\/tr>\n
148<\/td>\nA.4.3.2 Longitudinal Frame Foundation <\/td>\n<\/tr>\n
149<\/td>\nA.4.4 Fixed-base Modal Analysis
A.5 Flexible-base Analysis <\/td>\n<\/tr>\n
150<\/td>\nA.5.1 Vertical Springs <\/td>\n<\/tr>\n
151<\/td>\nA.5.2 Lateral Springs <\/td>\n<\/tr>\n
154<\/td>\nA.5.3 Flexible-base Modal Analysis <\/td>\n<\/tr>\n
155<\/td>\nA.6 Foundation Damping <\/td>\n<\/tr>\n
156<\/td>\nA.6.1 Soil Hysteretic Damping
A.6.2 Radiation Damping <\/td>\n<\/tr>\n
160<\/td>\nA.6.3 Adjusted Base Shear <\/td>\n<\/tr>\n
161<\/td>\nA.6.4 Code-limited Adjusted Base Shear
A.7 Design for SSI-Reduced Base Shear per ASCE\/SEI 7-16 Chapter 19
A.7.1 Brace Design <\/td>\n<\/tr>\n
162<\/td>\nA.7.2 Foundation Design
A.7.3 Fixed-base Modal Analysis
A.7.4 Flexible-base Modal Analysis <\/td>\n<\/tr>\n
163<\/td>\nA.7.5 Check of Base Shear <\/td>\n<\/tr>\n
164<\/td>\nA.8 Design for Full Theoretical SSI-Reduced Base Shear
A.8.1 Base Slab Averaging <\/td>\n<\/tr>\n
166<\/td>\nA.8.2 Brace Design <\/td>\n<\/tr>\n
167<\/td>\nA.8.3 Foundation Design
A.8.4 Fixed-base Modal Analysis
A.8.5 Flexible-base Modal Analysis <\/td>\n<\/tr>\n
168<\/td>\nA.8.6 Check of Base Shear
A.8.7 Redesign (Iteration)
A.8.8 Reanalysis <\/td>\n<\/tr>\n
169<\/td>\nA.8.9 Check of Base Shear <\/td>\n<\/tr>\n
170<\/td>\nBlank Page <\/td>\n<\/tr>\n
171<\/td>\n19-ATC-144_AppB_TallBuilding_20201202_508
B.1 Overview
B.1.1 Outline of the Example <\/td>\n<\/tr>\n
172<\/td>\nB.2 Site Description
B.2.1 Geotechnical Properties <\/td>\n<\/tr>\n
173<\/td>\nB.2.2 Seismic Ground Motion Parameters
B.3 Building Description
B.3.1 Framing Systems <\/td>\n<\/tr>\n
178<\/td>\nB.3.2 Material Properties and Modeling Criteria <\/td>\n<\/tr>\n
179<\/td>\nB.3.3 Gravity Loads and Seismic Mass <\/td>\n<\/tr>\n
180<\/td>\nB.4 Initial Design (Model 1)
B.4.1 Base Shear per Chapter 12 ELF <\/td>\n<\/tr>\n
183<\/td>\nB.4.2 Fixed-Base Modal Analysis
B.4.3 Story Shears and Moments
B.4.4 Story Drifts
B.4.5 Foundation Design <\/td>\n<\/tr>\n
187<\/td>\nB.5 Spectral Modifications for Kinematic SSI
B.5.1 Base Slab Averaging <\/td>\n<\/tr>\n
188<\/td>\nB.5.2 Embedment <\/td>\n<\/tr>\n
190<\/td>\nB.6 SSI Adjusted Structural Demands
B.6.1 Period Elongation Due to Flexible Base <\/td>\n<\/tr>\n
191<\/td>\nB.6.2 Foundation Damping <\/td>\n<\/tr>\n
193<\/td>\nB.6.3 ELF Base Shear Adjusted for SSI <\/td>\n<\/tr>\n
194<\/td>\nB.6.4 Story Shears, Moments, and Drifts <\/td>\n<\/tr>\n
197<\/td>\nB.7 Design Variations
B.7.1 Building Without Basement, Fixed Base (Model 3)
B.7.2 Building Without Basement, Flexible Base (Model 4) <\/td>\n<\/tr>\n
199<\/td>\nB.7.3 Sensitivity to Lower-Bound and Upper-Bound Spring Stiffnesses <\/td>\n<\/tr>\n
201<\/td>\n20-ATC-144 AppC Helpful Resources_20201202_508 <\/td>\n<\/tr>\n
203<\/td>\n21-ATC-144 References_20201202_508
CSI, 2016, SAP2000 Version 18.2, Computers and Structures, Inc., Walnut Creek, California. <\/td>\n<\/tr>\n
206<\/td>\nBlank Page <\/td>\n<\/tr>\n
207<\/td>\n22-ATC-144 Glossary AH20201106_508 <\/td>\n<\/tr>\n
210<\/td>\nBlank Page <\/td>\n<\/tr>\n
211<\/td>\n23-ATC-144 Symbols AH20201106_508 <\/td>\n<\/tr>\n
215<\/td>\n24-ATC-144 Participants_20201202_508
FEMA Oversight
ATC Management and Oversight
Project Technical Committee
Project Review Panel <\/td>\n<\/tr>\n
216<\/td>\nWorking Group Members <\/td>\n<\/tr>\n
217<\/td>\nBlank Page <\/td>\n<\/tr>\n
218<\/td>\n30-FEMAP-2091_BackCover_508 <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

FEMA P-2091: A Practical Guide to Soil-Structure Interaction<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
FEMA<\/b><\/a><\/td>\n2020<\/td>\n218<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":369534,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2743],"product_tag":[],"class_list":{"0":"post-369527","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-fema","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/369527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/369534"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=369527"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=369527"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=369527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}