Structural Engineering and Mechanics
Volume 5, Number 1, 1997, pages 1-19
DOI: 10.12989/sem.1997.5.1.001
Soil-structure interaction and axial force effect in structural vibration
Gao H, Kwok KCS
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<br />UNIV TECHNOL SYDNEY,GRAD SCH ENGN,SYDNEY,NSW 2007,AUSTRALIA