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姜 瑋1, 王慶春2
(1北京航天勘察設計研究院,北京100071;2北京市首發(fā)高速公路建設管理有限責任公司,北京100071)[摘要] 將載體樁工藝作為復合地基增強體應用于復合地基的施工,由于載體樁承載力高而大大提高復合地基承載力,且由于大部分荷載通過載體樁傳遞到了深層土體,故載體樁復合地基沉降也大大減少。本文以一工程實例介紹該技術的設計、施工、檢測,供同行參考。
[關鍵詞] 載體樁;復合地基;CFG樁復合地基;沉降;檢測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