浅论陕北地区预制箱梁梁体收缩裂缝控制

 朱 岩

(陕西省交通建设集团公司,陕西  西安,710075

摘  要:针对陕北地区箱梁生产中较易出现的收缩裂缝问题进行了分析、调研、处治,结合吴定高速自管模式,找出并归纳了形成原因,同时列举了产生收缩裂缝的要因,对各个要因制定了具体的处治方法,可供同类工程参考。

关键词:陕北地区;预制箱梁;收缩裂缝;控制

中图分类号:U445        文献标识码:A

Discussed The Control of Shrinkage Crack of Prefabricated Box-Girder

in Northern Shaanxi

Zhu Yan

Shaanxi Province Conmmunication Construction GroupXi’an 710075,China

AbstractFor more easily in the production of box girder in shanbei region, this paper has carried on the shrinkage crack problems of topic selection, analysis, research, and the treatment, find out the cause of the problem and summarizes the optimized method, and list the cause of contraction crack will at the same time, and all will reduce the amount of box girder crack concrete production optimization method. It can reference for similar projects.

key wordsNorthern Shaanxiprefabricated box-girderShrinkage crackControl