| 增补桩基加固法系统研究 |
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| 引用本文： | 魏洪昌.增补桩基加固法系统研究[J].公路交通科技,2006(Z1). |
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| 作者姓名： | 魏洪昌 |
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| 作者单位： | 交通部公路科学研究院 北京 |
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| 摘 要： | 介绍了针对桥梁下部结构的增补桩基加固法,对地基承载力不够采用在桩基础的周围补加钻孔桩或打入钢筋混凝土预制桩并扩大原承台,并将承台与桩顶连接在一起,以此提高基础承载力,增加基础稳定性,从适用条件、力学特点、设计计算、构造措施及工序质量控制等方面进行了系统的归纳总结,供同行参考。
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| 关 键 词： | 承台 桩基础 承载力 摩阻力 沉降 |
Study on the Method of Subjoin Pile Foundation |
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| WEI Hong-chang.Study on the Method of Subjoin Pile Foundation[J].Journal of Highway and Transportation Research and Development,2006(Z1). |
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| Authors: | WEI Hong-chang |
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| Abstract: | The strengthening method of subjoin pile foundation to the substructure of bridge is intraduced.When bearing capacity of foundation soil is not enough,drilled pile is used around column foundation,reinforced concrete precast pile or extened is used,and the capped slab and the dead of pile is connected.So the bearing capacity of foundation is advanced and foundation stability is increased.The applicability condition,mechanical property,design calculation,construction measure and quality control of working procedure are summarized,reference to craft brothers is provided. |
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| Keywords: | pile cap pile foundation carrying capacity friction settlement |
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