Due to temperature change and the narrow and high dam body,inner cracks and leakage passage appeared at the dam block 10 of Jiangya dam.

• 湖南省江垭大坝10号坝段由于温度变化影响及该坝段坝型狭高,出现了两条内裂缝和不密实混凝土所构成的渗水通道。