.灌注桩导管爆管与瘪管的原因分析骆嘉成摘要: 水下混凝土灌注是钻孔桩施工中最关键工序,超深孔水下混凝土灌注的导管偶尔会出现爆管与瘪管现象,通过对导管受力分析,从理论上分析了造成该现象的直接原因,从实践中罗列出可能导致爆管与瘪管各种因素,并提出预防措施,有利于超深孔水下混凝土灌注质量的管理。关键词:灌注桩;导管;爆管;瘪管Cause Analysis of Tube Rupture and Collapse for Tremie in Bored PileLUO Jia-cheng1,FAN Shuai2(Wenzhou Zhenan Geological Engineering Co.,Ltd,Wenzhou Zhejiang 325006,China;Wenzhou Greentovon Real Estate Development Co.,Ltd 325000,China)Abstract: Underwater concrete injection is the most important process in the construction o