FEMA P-2091, A Practical Guide to Soil-Structure Interaction

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**FREE FOR DOWNLOAD** An electronic copy of this report is available from the FEMA library.

Soil-structure interaction (SSI) can make a substantial difference in how buildings behave during earthquake shaking and how they should be designed, and yet there is relatively little implementation of SSI effects by practicing engineers. Provisions are available in Chapter 19 of ASCE/SEI 7-16 Minimum Design Loads and Associated Criteria for Buildings and Other Structures (ASCE, 2017a) and in Chapter 8 of ASCE/SEI 41-17 Seismic Evaluation and Retrofit of Existing Buildings (ASCE, 2017b) that can be used to address SSI. Another valuable resource that was developed to synthesize fundamental principles and procedures of SSI for application to buildings is Soil-Structure Interaction for Building Structures (NIST, 2012a). The overall goal of this Guide is to present information regarding SSI as implemented in code provisions but in an easy-to-understand, concise format targeted towards practicing engineers to help them determine when SSI effects are of importance and show them examples of how to implement them in design. Relevant recent research findings that help clarify implementation are provided

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