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厦深铁路工程钢筋混凝土灌注桩断桩分析处理
引用本文:王志明,朱俊华,项正军.厦深铁路工程钢筋混凝土灌注桩断桩分析处理[J].人民长江,2009,40(12):45-46.
作者姓名:王志明  朱俊华  项正军
作者单位:1. 武警水电第二总队,江西,南昌,330001
2. 武警水电指挥部,北京,100055
摘    要:产生断桩的原因有导管控制不当,发生堵管现象,塌孔等。常见的断桩形式包括:混凝土桩底与基岩由未凝固的混凝土充填;桩身中段出现未凝固的混凝体,桩身中岩渣沉积成层,桩身出现空洞。对厦深铁路中桥梁钻孔灌注桩在施工过程中出现的断桩问题和产生的原因进行合理分析,提出了切实可靠的预防与处理措施。从而保证了桩基施工质量,减少了不必要的损失。

关 键 词:钻孔灌注桩    断桩    预防与处理    桥梁    厦深铁路

Analysis and treatment of grouted reinforced concrete pile breaking of Xiamen-Shenzhen Railway Project
WANG Zhi-ming,ZHU Jun-hua,XIANG Zheng-jun.Analysis and treatment of grouted reinforced concrete pile breaking of Xiamen-Shenzhen Railway Project[J].Yangtze River,2009,40(12):45-46.
Authors:WANG Zhi-ming  ZHU Jun-hua  XIANG Zheng-jun
Affiliation:1.No.2 General Branch of Armed Police Hydropower Engineering Troops;Nanchang 330001;China;2.Headquarters of Armed Police Hydropower Engineering Troops;Beijing 100055;China
Abstract:The causes of pile breaking include improper control for duct grouting,duct blockage,hole collapse etc.The common pile breaking forms include: un-set concrete filling between foundation and concrete pile,un-set concrete existing in pile body,rock dreg layer exiting in pile body,hollows in pile body.The pile breaking and causes in the construction of bored concrete pile in Xiamen-Shenzhen Railway were analyzed and the prevention and treatment measures were put forward,making the construction quality of pile ...
Keywords:bored concrete pile  pile breaking  prevention and treatment  Xiamen-Shenzhen Railway  
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