水上大直径桩施工关键技术  

Key Technology of Large Diameter Pile Construction in Water

作　　者：邓浪 DENG Lang(CCCCSHEC First Engineering Co.,Ltd.,Wuhan 430012,China)

机构地区：[1]中交二航局第一工程有限公司,武汉430012

出　　处：《价值工程》2017年第11期125-126,共2页Value Engineering

摘　　要：本文结合肇庆公铁西江大桥防撞墩工程桩基的施工情况,介绍水上大直径、深孔灌注桩的关键技术,包括钢护筒埋设、冲击成孔、钢筋笼加工与下放、水下混凝土浇筑。In this paper,based on the construction of the pile foundation of the anti-collision pier engineering of Xijiang Bridge,thekey technologies of underwater large diameter and deep hole cast-in-place pile are introduced,including the laying of steel tube,impacthole,steel cage processing and decentralization,underwater concrete pouring.

关 键 词：大直径桩 关键技术 冲击成孔灌注桩 

分 类 号：U445.551[建筑科学—桥梁与隧道工程]