三重管高压旋喷桩的施工工艺及其常见问题处理  

Construction Technology and Treatment of Common Problems of Triple-pipe High-pressure Rotary Jet Pile

作　　者：涂子云 TU Ziyun(Nanchang Construction Engineering Quality Supervision Station,Nanchang,Jiangxi 330038,China)

机构地区：[1]南昌市建设工程质量监督站

出　　处：《建筑施工》2019年第12期2130-2131,共2页Building Construction

摘　　要：三重管高压旋喷桩在国内的止水帷幕中应用较为广泛,但施工中的沉管困难、不冒浆、固结体强度不均等问题时有发生。为保证施工质量和止水效果,在介绍三重管高压旋喷桩施工工艺的基础上,总结分析了其在施工中的常见问题与相应的预防措施,可为相关工程技术人员提供经验借鉴。The triple-pipe high-pressure rotary jet pile is widely used in waterproof curtain in China, but the problems such as difficulty in sinking pipe, without slurry spillover and uneven strength of consolidation bodies often occur in construction. To ensure the construction quality and waterproof effect, based on the introduction of the construction technology of triple-pipe high pressure rotary jet pile, the common problems and corresponding precautions in construction are summarized and analyzed, which can provide experience for relevant engineers and technicians.

关 键 词：三重管高压旋喷桩 止水帷幕 施工难题 预防措施 

分 类 号：TU753.3[建筑科学—建筑技术科学]