钢板桩接岸结构加固方法的有限元分析
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摘要
在深入剖析钢板桩接岸结构破损机理的基础上,提出了3种加固方案,即帽板加固法、局部外包法和地连墙替代法。通过有限元分析软件ANSYS建立了有限元模型,分别对接岸结构及土体变形特征和钢板桩等结构的受力进行了分析,并对3种加固方案的施工可行性进行了比较。最终确定局部外包法为最终加固方案。
Based on the damage mechanism of link-banked structure of steel sheet pile,three reinforcement methods such as cap reinforcement,local reinforcement and diaphragm wall reinforcement were proposed in this paper.A finite element model was established with the finite element analysis software ANSYS to analyze the forces acted on steel sheet piles and the deformation characteristics of soil and link-banked structures,and the construction feasibility of the three reinforcement methods were compared.Finally,the local reinforcement is chosen as the final scheme.
Based on the damage mechanism of link-banked structure of steel sheet pile,three reinforcement methods such as cap reinforcement,local reinforcement and diaphragm wall reinforcement were proposed in this paper.A finite element model was established with the finite element analysis software ANSYS to analyze the forces acted on steel sheet piles and the deformation characteristics of soil and link-banked structures,and the construction feasibility of the three reinforcement methods were compared.Finally,the local reinforcement is chosen as the final scheme.
引文
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[2]吴荫顺.腐蚀试验方法与防腐蚀检测技术[M].北京:化学工业出版社,2000.
[3]朱崇诚,王崇宇.钢板桩式接岸结构锈损与加固研究[J].水道港口,2010,31(1):55-60.ZHU C C,WANG C Y.Corrosion and reinforcement study of link-banked structure of steel sheet pile[J].Journal of Waterway and Harbor,2010,31(1):55-60.
[4]全国职业高中建筑类专业教材编写组.建筑结构[M].北京:高等教育出版社,1994.
[5]张涛.钢板桩技术在长江堤防加固工程中的应用[J].西部探矿工程,2002,14(2):15-16.ZHANG T.Application of Steel Sheet Piling in the Reinforcement of the Changjiang River Dikes[J].West-China Exploration Engineering,2002,14(2):15-16.
[6]JTJ302-2006,港口水工建筑物检测与评估技术规范[S].
[7]朱崇诚,王崇宇,张强,等.天津港7～13段码头钢板桩检测及接岸结构加固方法研究[R].天津:交通运输部天津水运工程科学研究所,2009.
[8]YB9257-96,钢结构检测评定及加固技术规程[S].
[9]邸小坛.旧建筑物的检测加固与维护[M].北京:地震出版社,1992.
[10]丁华.淮河入海口枢纽工程防渗地下连续墙施工的质量控制[J].岩土工程界,2003,6(6):44-46.DING H.Quality control of the construction of underground anti-seepage walls at the entry pivotal project of Huihe River[J].Geotechnical Engineering World,2003,6(6):44-46.
[11]郝文化.Ansys土木工程应用实例[M].北京:中国水利水电出版社,2005.
[12]JTJ283-99,港口工程钢结构设计规范[S].
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