杨凌水电站钢筋混凝土压力管道裂缝成因分析

Analysis of cracks causation of reinforced concrete penstocks of Yangling Hydropower station

杨凌水电站有3种钢筋混凝土压力管道，在管道施工完成后，管道出现了部分裂缝，从各方面对裂缝成因进行了分析，认为管道裂缝由温度应力引起。

There are three reinforced concrete penstocks of Yangling Hydropower station. There come forth some cracks on the penstocks. It is shown by analysis that the cracks were caused by temprature stress during construction.