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《Industrial Construction》 2007-11
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MODEL TEST OF PILE-SOIL-CAP NONLINEAR WORKING MECHANISM

Li Xiongwei Jiang Gang Zai Jinmin Wang Xudong(College of Civil Engineering,Nanjing University of Technology Nanjing 210009)  
Through the series model tests of single pile,raft and single pile with cap,the conclusion that the influencing depth of additional stress is determined by the dimension of the raft and the characteristic of the soil is drawn;the strengthening or weakening action of the cap is analyzed,the cap can strengthen the pile bearing capacity of tip and weaken the pile bearing capacity of skin;considering of the changing of additional stress field,the nonlinear behavior of pile and soil is depicted and the failure pattern is concluded: firstly,the single pile with cap gets into the nonlinear state in the bearing progress,then,the net cap gets into the nonlinear state,all this is determined by the progress of the soil plastically deforming.
【Fund】: 国家自然科学基金资助项目(50478005);; 江苏省自然科学基金资助项目(BK2004420)
【CateGory Index】: TU473.1
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【Co-citations】
Chinese Journal Full-text Database 3 Hits
1 Li Xiongwei et al.;The Study of the Nonlinear Working Mechanism of Pile Group[J];Geotechnical Investigation & Surveying;2007-11
2 CHEN Ya-dong,ZAI Jin-min,QI Ke-jun(College of Civil Engineering,Nanjing University of Technology,Nanjing 210009,China);Numerical Analysis of Vertical Bearing Capacity and Displacement of a Single Pile with Cap[J];Journal of University of Science and Technology of Suzhou(Engineering and Technology);2006-04
3 ZAI Jin-min1,JIANG Gang1,WANG Xu-dong1,LI Xiong-wei2,HE Li-ming3(1.College of Civil Engineering,Nanjing University of Technology,Nanjing 210009,China;2.Institute of Rock and Soil Mechanics,Chinese Academy of Sciences,Wuhan 430071,China;3.School of Civil Engineering and Architecture,Anhui University of Technology,Ma’anshan 243002,China);Model test on pile-raft foundation interaction under ultimate load[J];Chinese Journal of Geotechnical Engineering;2007-11
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