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软土地区新型小直径桩复合地基承载特性试验研究 被引量:1

Experimental study on bearing capacity of new small-diameter pile composite foundation in soft soil area
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摘要 我国东南沿海地区土性软弱,承载力低给工程建设带来挑战。提出针对某工程软弱地基采用新型小直径桩进行地基处理,新型小直径桩具有降水和注浆的功能,通过降水加速软弱土体的排水固结,降水后在预制桩体内注浆形成复合地基。试验表明新型小直径桩能明显提高软弱地基的承载能力。 The bearing capacity and deformation ability of the soil in southeastern coast China are low,which brings challenges to engineering construction.In this paper,a new small-medium pile is applied for soft foundation treatment.The new type of small-diameter pile has the functions of dewatering and grouting.The drainage consolidation of soft soil is accelerated by dewatering method and the composite foundation is formed by grouting in the precast pile body.The results show that the strength of the foundation is enhanced with the combination of dewatering and grouting.
作者 谢飞 XIE Fei(SGIDI Engineering Consulting(Group)Co.,Ltd.,Shanghai 200082,China;Shanghai Geotechnical Engineering Technical Service Platform,Shanghai 200082,China)
出处 《建筑结构》 CSCD 北大核心 2022年第S01期2428-2432,共5页 Building Structure
关键词 软土 新型小直径桩 复合地基 承载特性 soft soil new small-diameter pile composite foundation bearing capacity
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