NDLI: A Numerical Study on the Performance of Composite Foundation System With Piles and Cushion

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Cui, Chun-Yi Li, Jun Luan, Mao-Tian Li, Mu-Guo Sun, Zhan-Qi
Copyright Year	2010
Abstract	For the reason that composite foundation can fully realize the potential of bearing capacity of subsoil and reinforcement, it has been widely applied in modern foundation engineering of coastal area. However, knowledge towards the mechanism and the performance characteristics of composite foundation is not mature enough. Thus more intensive and further study is required on the design and construction methods. In this paper, elasto-plastic numerical computation is conducted by developing elasto-plastic FE model in plane stress state, together with adopting Mohr-Coulomb yield criterion to describe the elaso-plasticity of subsoil and Coulomb contact pair theory with penalty algorithm to simulate the discontinuous contact behavior of foundation and soil, as well as using infinite element in model boundary to avoid static boundary effect. Based on the elasto-plastic numerical model of composite foundation with piles and cushion used above, the characteristics of internal forces and deformation of composite foundation system including raft, cushion and piles are analyzed. Furthermore, the respective effect of raft foundation, cushion and piles on the durability and performance of whole composite foundation system is discussed. On the basis of computational results and theoretical analyses, several conclusion remarks are drawn to provide certain references for related construction and design practice.
Sponsorship	Ocean, Offshore and Arctic Engineering Division
Starting Page	731
Ending Page	736
Page Count	6
File Format	PDF
ISBN	9780791849095
DOI	10.1115/OMAE2010-20503
e-ISBN	9780791838730
Volume Number	29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 1
Conference Proceedings	ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering
Language	English
Publisher Date	2010-06-06
Publisher Place	Shanghai, China
Access Restriction	Subscribed
Subject Keyword	Construction Deformation Structural mechanics Computer simulation Durability Theoretical analysis Engineering design processes Stress Design Performance characterization Shorelines Load bearing capacity Finite element model Composite materials Algorithms Computation Plasticity Concrete mat foundations Soil Coulombs
Content Type	Text
Resource Type	Article

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