- 摘 要
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(中國建筑西南設(shè)計研究院有限公司，成都 610081)
［摘要］ 通過一工程實例，介紹了在強(qiáng)風(fēng)化泥巖中設(shè)置CFG樁進(jìn)行地基加固處理以提高強(qiáng)風(fēng)化泥巖承載力的設(shè)計及施工方法，并進(jìn)行了巖基載荷試驗和沉降觀測，結(jié)果表明地基承載力與變形均滿足要求?，F(xiàn)行規(guī)范對強(qiáng)風(fēng)化泥巖的復(fù)合地基處理尚無明確規(guī)定，且該加固方案在成都地區(qū)尚無先例，工程實踐表明采用此方法可節(jié)約造價、縮短施工工期且安全可靠。
［關(guān)鍵詞］ 強(qiáng)風(fēng)化泥巖； 地基加固； CFG樁； 人工挖孔灌注樁； 沉降觀測Application of CFG piles for foundation reinforcement in heavily weathered mudstone
Deng Kaiguo, Leng Lihao
(China Southwest Architectural Design and Research Institute Co., Ltd., Chengdu 610081, China)
Abstract:The design and construction method using CFG piles for foundation reinforcement of heavily weathered mudstone were introduced through an engineering example. Foundation load test and settlement observation were carried out. The results show that the bearing capacity and settlement of the foundation can meet the demand. Current structural codes have no regulations on such problem and such foundation reinforcing method had not been employed in Chengdu district. This method can apparently improve the ultimate capacity of foundation on heavily weathered mudstone, and can save costs and shorten construction period safely and reliably.
Keywords:heavily weathered mudstone; foundation reinforcement; CFG pile; hand-dug pile; settlement observation
作者簡介：鄧開國，高級工程師，一級注冊結(jié)構(gòu)工程師，Email：dkgdqdc@126.com。參考文獻(xiàn)
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