This paper analyse the causes of the box girder prefabrication concrete temperature and drying shrinkage cracking, focus on the prevention and control measures of construction stage, and put forward different preventive measures .%分析了预制箱梁混凝土温度、干缩裂缝产生的原因，提出了不同的防治措施，重点放在施工阶段的防治措施上。
展开▼
