空心板桥梁底板端部裂缝原因分析及应对措施实例  

Case Study on Reason and Countermeasure of Cracks in the End of Hollow Concrete Bottom Beam

作　　者：杜军民 黄智俊 

机构地区：[1]河南省南水北调中线工程建设管理局,郑州450003 [2]河南省高速公路发展有限公司,郑州450000

出　　处：《南水北调与水利科技》2009年第6期302-304,380,共4页South-to-North Water Transfers and Water Science & Technology

摘　　要：文章从预制完成的空心板梁底板端部裂缝现象入手,介绍了裂缝产生原因的查找方法,裂缝生成理论分析过程。找到原因后,通过调整设计或调整工程施工方法等手段,达到对后续将要生产的梁板生产预防作用,并运用技术手段,对已产生裂缝的梁板进行功能补偿,消除质量缺陷。It introduced the crack phenomenon in the end of hollow concrete bottom beam,and then introduced the searching method to the crack causes and analyzed the cracking process.When the causes are found,these problems can be prevented in the following produced concrete beams by adjusting design and construction process.For the beam with cracks,some technique methods can be applied to carry on the function compensation and eliminate the quality defects.

关 键 词：混凝土空心板 裂缝 原因 措施 

分 类 号：TV51[水利工程—水利水电工程] X703[环境科学与工程—环境工程]