箱梁预制过程中梁体白点的防治  

Beam white dot prevention of box beam prefabrication

作　　者：张保敏 

机构地区：[1]中铁二十四局集团贵溪桥梁厂有限公司,江西贵溪335400

出　　处：《黑龙江交通科技》2016年第1期95-96,共2页Communications Science and Technology Heilongjiang

摘　　要：由于高速铁路的迅速发展,桥梁建设也进入快速发展阶段。结合杭甬客运专线HYZQ-3标的32/24 m简支整孔箱梁预制工程,就混凝土施工工艺进行了简要介绍,并重点对梁体白点问题进行了分析研究,通过改良振动棒,有效防治了白点问题,带来了经济和社会效益。Due to the rapid development of high speed railway,bridge construction has come to a stage of rapid development.Combining with mark box beam prefabrication of Hang-Yong HYZQ-3,the concrete construction technology is briefly stated,and beam white dot problem is analyzed in detail.By improving vibrating spear,the white dot problem is well solved and it brings economic benefits and social benefits.

关 键 词：箱梁预制 混凝土施工 振捣 振动棒 白点 

分 类 号：TU74[建筑科学—建筑技术科学]