铁路预应力混凝土简支梁存在的问题与控制措施  

Quality Problems of Railway Prestressed Concrete Simple-supported Beam

作　　者：孙璐[1] 

机构地区：[1]铁道部产品质量监督检验中心,北京100081

出　　处：《铁道技术监督》2014年第4期20-25,共6页Railway Quality Control

摘　　要：通过对2006年以来近150场次铁路预应力混凝土简支梁检验结果的汇总分析,指出高速铁路、客运专线、客货共线铁路预应力混凝土简支梁存在的问题,从简支梁结构、施工、成品检验等方面分析问题成因,并提出相应控制措施。On the basis of analyzing and summarizing the inspection results of railway prestressed concrete simple- supported beams for about 150 times since 20~, the author points out that problems existing in the prestressed concrete simple-supported beams of high-speed railway, passenger-dedicated railways, railways with mixed transportation. The author analyzes the causes from the aspects of the structure, engineering, inspection of simple-supported beam, etc., and gives corresponding measures.

关 键 词：预应力钢筋混凝土梁 简支梁 桥梁制造 质量控制 

分 类 号：U448.217[建筑科学—桥梁与隧道工程]