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姜 玮1, 王庆春2
(1北京航天勘察设计研究院,北京100071;2北京市首发高速公路建设管理有限责任公司,北京100071)[摘要] 将载体桩工艺作为复合地基增强体应用于复合地基的施工,由于载体桩承载力高而大大提高复合地基承载力,且由于大部分荷载通过载体桩传递到了深层土体,故载体桩复合地基沉降也大大减少。本文以一工程实例介绍该技术的设计、施工、检测,供同行参考。
[关键词] 载体桩;复合地基;CFG桩复合地基;沉降;检测Application of Ram-compacted Piles with Bearing Base in Composite Foundation of Beijing Hongfu Building
Jiang Wei1, Huang Qingchun2
(1 The Geotechnical Institute of Beijing Aerospace, Beijing 100071, China; 2 Beijing Municipal Development Freeway Construction & Administration Co., Ltd., Beijing 100071, China)Abstract: Ram-compacted piles with bearing base is constructed in the composite foundation as the reinforcement pile, because the bearing capacity of ram-compacted piles with bearing base is higher than ordinary pile, the bearing capacity of composite foundation constructed by ram-compacted piles with bearing base increases, and because most of the load is transferred to the deep soil by the pile, the settlement decreases. The designing, construction and testing of a real engineering are introduced, so that it supplies the reference to technicist in the same field.
Keywords: ram-compacted piles with bearing base; composite foundation; CFG pile composite foundation; settlement, testing