漳卫运河大桥现浇连续箱梁混凝土冬季施工  

Construction of Cast-in-Situ Concrete for Continuous Box Girder of Zhangwei Canal Bridge in Winter Season

作　　者：朱定法[1] 

机构地区：[1]铁道部大桥局五桥处,江西九江332001

出　　处：《桥梁建设》2000年第2期42-43,59,共3页Bridge Construction

摘　　要：介绍漳卫运河大桥主桥现浇连续箱梁混凝土冬季施工中采取的技术措施 :缓凝技术、优化混凝土配合比、施工各环节的质量控制等 ,解决了冬季施工既要求初凝时间长又要求早期强度高的矛盾 ,确保了工程质量。Technical measures taken in construction of cast\|in\|situ concrete for continuous box girder of main span of Zhangwei Canal Bridge in winter season are described. Included in the measures are retarding techniques, optimization of mix proportioning of concrete, quality control at various stages of construction. The measures used find a way out of contradiction between extending of setting time and early concrete strength in winter, thus assure the quality of construction.

关 键 词：连续梁 箱形梁 混凝土灌筑 桥梁施工 

分 类 号：U44[建筑科学—桥梁与隧道工程]