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本文介绍了对钢板桩码头岸壁进行的原体观测试验,通过观测钢板桩的挠度、作用在钢板桩上的土压力以及拉杆轴向拉力,可以了解板桩岸壁在回填土的作用下,其结构各主要部分的受力及变形情况,为今后同类型结构的合理分析和设计以及港口工程技术规范有关条文的编制,提供了实测资料。 相似文献
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LIU Hanlong DAI Huichao Susumu IAI
Professor Geotechnical Engineering Research Institute Hohai University Nanjing China.
Senior Engineer China Yangtze Three Gorges Project Development Corporation Yichang China.
Doctor Port Harbour Research Institute Ministry of Transport Nagase Japan. 《中国海洋工程》1999,(1)
—Effective stress analysis is performed to evaluate the residual displacement of a caissonquaywall during 1994 Hokkaido-Toho-Oki Earthquake and 1993 Kushiro-Oki Earthquake.Theconstitutive model used in this study is a multiple shear mechanism type defined in strain space and cantake into account the effect of rotation of principal stress axis.The earthquake accelerations recorded atthe outcropping rock during the earthquake are used as input bedrock motion.The results of finite ele-ment analysis are in good agreement with the observed behaviour of the quaywall.The analysis also indi-cates that liquefaction and high excess pore water pressure have a significant effect on the deformation ofthe caisson.Soil improvement is speculated as the most reliable measures against liquefaction.The influ-ence of soil improvement and the reasonable improved area are discussed in the paper. 相似文献
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