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An integrated performance‐based design framework for building‐foundation systems
Author(s) -
Millen Maxim D. L.,
Pampanin Stefano,
Cubrinovski Misko
Publication year - 2021
Publication title -
earthquake engineering and structural dynamics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.218
H-Index - 127
eISSN - 1096-9845
pISSN - 0098-8847
DOI - 10.1002/eqe.3354
Subject(s) - foundation (evidence) , residual , rotation (mathematics) , seismic analysis , structural engineering , displacement (psychology) , engineering , computer science , iterative design , civil engineering , algorithm , psychology , archaeology , artificial intelligence , psychotherapist , history , compatibility (geochemistry) , chemical engineering
This paper presents a framework for the inclusion of transient and residual foundation deformations within performance‐based seismic design of buildings. A refinement of existing displacement‐based design procedures is proposed that reduces iteration when obtaining the expected peak foundation rotation. Empirical equations are developed based on numerical time‐history analyses that provide an estimation of foundation residual deformations based on the foundation peak rotation. Additional complexities due to deformation within the foundation are discussed regarding how they influence the design and building performance. The design framework is complemented by a simplified analytical design procedure (i.e., hand calculations) to design building‐foundation systems. A design example is given for a six‐storey concrete wall building, which is analyzed by time‐history analysis to demonstrate the application and accuracy of the design procedure.