海底裸露基岩双钢护筒植壁储浆冲击成孔施工技术  

The Construction Technology of Double Steel Shield Wall Slurry Storage in Exposed Bedrock of Seabed

作　　者：熊伟 熊帮亮 Xiong Wei;Xiong Bangliang(Jiangxi Geological Engineering Group Co.Ltd.,Nanchang,Jiangxi 330029)

机构地区：[1]江西省地质工程集团有限公司,江西南昌330029

出　　处：《江西建材》2024年第12期298-300,共3页

摘　　要：港口码头钻孔灌注桩工程中,部分地段覆盖层受到海水冲刷导致基岩裸露,造成冲击钻进时无法提供泥浆悬浮钻渣的问题。文中结合福建某码头钻孔灌注桩工程,详细介绍了双钢护筒人工植壁储浆技术工艺原理、双钢护筒植壁储浆装置制作、双管灌注料斗制作、工艺流程及节点控制,着重说明了双钢护筒人工植壁储浆技术需要注意几个问题,以供参考。In the project of bored pile in port wharf,the overburden of some sections is lost due to the erosion of sea water,resulting in the exposure of bedrock,which can not provide mud suspension drilling slag during impact drilling.In view of such engineering problems,combined with the bored pile project of a wharf in Fujian Province,the paper introduces in detail the technical principle of double-steel sheath artificial wall slurry storage technology,the production of double-steel sheath plant-wall slurry storage device,the production of double-pipe grouting hopper,the process flow and node control,and emphasizes on several problems that should be paid attention to in double-steel sheath artificial wall slurry storage technology.For reference.

关 键 词：双管灌注料斗 冲击钻进 基岩裸露 双钢护筒 

分 类 号：U473[机械工程—车辆工程]