As for hydraulic tunnel lining concrete, thermal stress is one of important factors that cause concrete cracks, due to the heat of hydration of cement in the construction period.
对于水工隧洞衬砌混凝土，在施工期由于水泥水化热作用，温度应力影响显著，是产生混凝土结构裂缝的重要原因之一。
Result of synthetically analyzing and mechanical computation turns out that the unsymmetrical load is the main cause of the cracks in tunnel lining.
经综合分析及力学计算，存在较大偏压是隧道衬砌产生裂缝的主要原因。
Result of synthetically analyzing and mechanical computation turns out that the unsymmetrical load is the main cause of the cracks in tunnel lining.
经综合分析及力学计算，存在较大偏压是隧道衬砌产生裂缝的主要原因。
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