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(1 浙江溫州市建設(shè)工程質(zhì)量監(jiān)督站 325013；2 浙江永嘉縣建筑設(shè)計(jì)院 325100)
［提要］ 由剛?cè)峤M合樁及樁間土組成的復(fù)合地基，其承載力是由樁和樁間土共同提供的，通過剛?cè)峤M合樁的施工，實(shí)現(xiàn)對(duì)樁間土的擠密加固，充分發(fā)揮和利用地基土的承載潛力，有效地解決軟土地基承載力不足的問題。提出剛?cè)峤M合樁復(fù)合地基及其復(fù)合模量的基本概念、承載力及復(fù)合模量的計(jì)算方法、檢測(cè)方法；實(shí)踐表明，剛?cè)峤M合樁復(fù)合地基具有較好的技術(shù)和經(jīng)濟(jì)效益。
［關(guān)鍵詞］ 剛?cè)峤M合樁 復(fù)合地基 復(fù)合模量 承載力
Application of Rigid Flexible Piled Composite Foundation/Xu Xinyue1,Xu Ce2(1 The Monitor of Quality of Construction Wenzhou,Wenzhou 325013，China; 2 The Architectural Design & Institute Yongjia,Yongjia 325100,China)
Abstract:Based on the engineering practice and testing results by various inspection met
hods, the combining method with the deep mixing method around the rigid pile to compact and strengthen the soft soil is presented and discussed.The concept of rigid piledeep mixing pile composite ground is put forward.The computation methods of bearing capacity，and the test method of rigid piledeep mixing pile composite ground are  presented.The
engineering practice proves that the rigid piledeep mixing pile composite ground has the advantages of good technical and economic effects.
Keywords:rigidflexible pile； composite foundation； composite modulus；bearingcapacity