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Analysis on pore pressure in an anisotropic seabed in the vicinity of a caisson |
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| Authors: | D S Jeng D H Cha Y S Lin P S Hu |
| Institution: | a School of Engineering, Griffith University, Gold Coast Campus, PMB 50 Gold Coast Mail Centre, Queensland 9726, Australia b Department of Civil Engineering, National Chung-Hsing University, Taichung, Taiwan, ROC |
| Abstract: | This paper presents an analysis of pore pressure around a caisson-type breakwater subjected to dynamic wave loading. Unlike previous investigations for wave-seabed-caisson interaction, cross-anisotropic soil behaviour is considered in this paper. Based on a linear poro-elastic theory, a finite element model is developed. A parametric study related to the effects of wave parameters, soil characteristics and geometry of caisson and rubble mound base on the pore pressure around a caisson is performed. The numerical results indicate that the effects of anisotropic soil behaviour on the wave-induced pore pressure in a sandy bed beneath a caisson are not negligible. |
| Keywords: | Pore pressure Caisson Soil response Poro-elastic theory Cross-anisotropic soil behaviour |
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