大管桩沉桩过程中桩头破损原因及对策  

Cause and countermeasures for damage of pile head during sinking of large pipe pile

作　　者：丘小标 卞亚芹 

机构地区：[1]中交第四航务工程勘察设计院有限公司,广东广州510230

出　　处：《水运工程》2015年第11期175-178,共4页Port & Waterway Engineering

摘　　要：预应力混凝土大直径管桩具有强度大、承载力强等性能,常应用于海洋与海岸工程的桩基结构。但是在沉桩施工过程中,常出现桩头破损的情况。结合工程实例介绍大管桩沉桩过程中出现桩头破损的原因及对策。The large-diameter prestressed concrete pile, which is of large strength and great bearing capacity, is usually used in pile foundation structure in coastal and marine engineering. But the pile head is often damaged during pile sinking. This paper describes the reasons and countermeasures for the damage of pile head during sinking of the large pipe pile.

关 键 词：大管桩 沉桩 桩头破损 高应变检测 

分 类 号：U652.74[交通运输工程—港口、海岸及近海工程]