| 超厚砂卵石层钢板桩围堰设计与施工 |
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| 引用本文： | 张琨,钟启凯,戴小松,刘中涛.超厚砂卵石层钢板桩围堰设计与施工[J].施工技术,2011,40(3). |
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| 作者姓名： | 张琨 钟启凯 戴小松 刘中涛 |
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| 作者单位： | 1. 中建三局建设工程股份有限公司,湖北武汉,430064
2. 中建三局工程总承包公司,湖北武汉,430064 |
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| 摘 要： | 钢板桩围堰在桥梁深水基础施工中应用广泛,但是超厚砂卵石层地质给钢板桩的插打和围堰基底的水下吸泥带来极大困难,从而限制了钢板桩围堰的使用范围。以襄樊汉江三桥主墩钢板桩围堰的施工作为依托,通过改变施工顺序、对钢板桩桩头进行处理和制作专用引孔设备和吸泥机,使上述问题迎刃而解,并且缩短工期,降低成本和施工风险。
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| 关 键 词： | 超厚砂卵石层 钢板桩围堰 施工顺序 引孔设备 吸泥机 |
Design and Construction Technology of Steel Sheet Pile Cofferdam in Over-thick Sand Gravel Layer |
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| Zhang Kun,Zhong Qikai,Dai Xiaosong,Liu Zhongtao.Design and Construction Technology of Steel Sheet Pile Cofferdam in Over-thick Sand Gravel Layer[J].Construction Technology,2011,40(3). |
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| Authors: | Zhang Kun Zhong Qikai Dai Xiaosong Liu Zhongtao |
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| Affiliation: | Zhang Kun1,Zhong Qikai2,Dai Xiaosong2,Liu Zhongtao2(1.China Construction Third Engineering Bureau Co.,Ltd.,Wuhan,Hubei 430064,China,2.General Contraction Company of CCTEB,China) |
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| Abstract: | Steel sheet pile cofferdam is applied widely in the construction field of the deep-water bridge foundation.Howevert,he over-thick gravel layer causes great difficulty to the construction of steel sheet pile and the mud-suction at the bottom of the cofferdam underwater,which limits the scope of the adaptability of the steel sheet pile cofferdam.Based on the construction of the steel sheet pile cofferdam in the main pier of the Third Han River Bridge in Xiangfant,he above problems have been resolved by changi... |
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| Keywords: | over-thick sand gravel layer steel sheet pile cofferdam construction sequence pore-leading equipment suction dredge |
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