大直径超长钻孔灌注桩施工技术  

On construction technique of large-diameter super-long bored grouting piles

作　　者：何延松 

机构地区：[1]辽宁省交通规划设计院,辽宁沈阳110005

出　　处：《山西建筑》2012年第15期68-70,共3页Shanxi Architecture

摘　　要：通过滨海公路辽河特大桥钻孔桩采用气举反循环施工的实践,着重介绍了主桥2.5 m大直径超长钻孔桩的施工工艺及主要施工技术,为类似工程提供了大直径超长钻孔灌注桩的施工经验。The paper adopts the air-lift reverse circulation construction at the bored pile of Liaohe super-large Bridge along Binhai Road,mainly introduces the construction technology and main construction technique of the 2.5 meter large-diameter super-long bored pile,so as to provide the construction experience for the similar projects with large-diameter super-long bored piles.

关 键 词：气举反循环 大直径超长钻孔桩 施工技术 

分 类 号：TU753.3[建筑科学—建筑技术科学]