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Structural Engineering and Mechanics Volume 5, Number 1, January 1997 , pages 1-19 DOI: https://doi.org/10.12989/sem.1997.5.1.001 |
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Soil-structure interaction and axial force effect in structural vibration |
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Gao H, Kwok KCS
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Abstract | ||
A numerical procedure for dynamic analysis of structures including lateral-torsional coupling, axial force effect and soil-structure interaction is presented in this study. A simple soil-structure system model has been designed for microcomputer applications capable of reflecting both kinematic and inertial soil-foundation interaction as well as the effect of this interaction on the superstructure response. A parametric study focusing on inertial soil-structure interaction is carried out through a simplified nine-degree of freedom building model with different foundation conditions. The inertial soil-structure interaction and axial force effects on a 20-storey building excited by an Australian earthquake is analysed through its top floor displacement time history and envelope values of structural maximum displacement and shear force. | ||
Key Words | ||
soil-structure interaction, kinematic soil-structure interaction, inertial soil-structure interaction, multistorey building, axial force effect, geometric non-linear stiffness | ||
Address | ||
Gao H, UNIV SYDNEY,SCH CIVIL & MIN ENGN,SYDNEY,NSW 2006,AUSTRALIA UNIV TECHNOL SYDNEY,GRAD SCH ENGN,SYDNEY,NSW 2007,AUSTRALIA | ||