SYMPOSIA PAPER Published: 01 January 1986

A Seismic Design of Laterally Loaded Piles for Offshore Platforms in Sands


The ground motion caused by earthquake loadings may cause the degradation in the stiffness and strength of the subsoil, and it may in turn degrade the lateral resistance of soil to pile deflection. In this paper, the dependence of the residual strength and the mobilized strength of offshore sands on the pore pressure induced by cyclic loadings with different densities are discussed. A procedure for evaluation of the degradation in strength and lateral resistance, which takes both the pore pressure and density into consideration, is suggested.

Author Information

Chang, CZ
Tongji University, Shanghai, People's Republic of China
Tong, TZ
Tongji University, Shanghai, People's Republic of China
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Developed by Committee: D18
Pages: 281–294
DOI: 10.1520/STP18419S
ISBN-EB: 978-0-8031-4987-8
ISBN-13: 978-0-8031-0490-7