高速铁路客运专线预制箱梁蒸汽养护施工技术

Steam Curing Construction Technology of Precast Box Beam of Passenger Dedicated Railway

蒸汽养护是高速铁路客运专线大体积箱梁冬季施工的关键环节。以郑西(郑州-西安)客运专线渑池梁场620片预制箱梁施工为例,介绍混凝土箱梁冬季蒸汽养护方案、养护系统设备配置、养护剂使用注意事项等,为客运专线铁路桥梁的施工积累经验。

Steam curing is a key link of construction of large-volume box beam in winter. With the example of construction of 620 pieces of precast box beam in Yingchi beam fabricating yard of Zhengzhou-Xi＇an passenger dedicated line, the paper introduces the steam curing plan of concrete box beam in winter, the equipment configuration of maintaining system and attention items in using curing agent to accumulate experiences for the bridge construction of passenger dedicated railway.