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重锤夯扩挤密土预成孔旋喷桩施工技术

Construction Technology of Pre Pore-forming Chemical Churning Pile with Compaction Soil Rammed by Heavy Hammer

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【Author】 He Shiming~1,Wu Shengbin~2,Zhao Zhenguo~2,Zhang Qingyu~3,Jia Cheng~1,Yang Min~1(1.Beijing Building Materials & Geological Engineering Corporation,Beijing 100102,China;2.China University of Geosciences,Beijing 100083,China;3.Chengdu University of Technology,Chengdu,Sichuan 610059,China)

【机构】北京建材地质工程公司；中国地质大学；成都理工大学；

【摘要】重点介绍了重锤夯扩挤密土预成孔旋喷桩施工方法的原理及操作工艺,指出该施工方法在有地下障碍物、流砂或易坍塌的砂卵石等复杂地层情况下,施工高压旋喷桩具有优越性和创新性。更多还原

【Abstract】 The principles and construction process of pre pore-forming chemical churning pile with compaction soil rammed by heavy hammer are introduced in detail.It is pointed out that the construction of high-pressure chemical churning pile has advantages and innovation under complex conditions which are underground obstacle,quicksand and sand gravel.更多还原

【关键词】高压旋喷桩；跟管钻进；夯实土桩；
【Key words】 high-pressure chemical churning pile； pile-following drilling； rammer-soil pile；

【文献出处】施工技术 ,Construction Technology , 编辑部邮箱 ,2009年S2期

【分类号】TU753.3
【下载频次】55

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