This paper analyzed the reasons of mass concrete shrinkage crack under the high temperature environment,from the material control, setting up the construction joint,reducing the concrete temperature,early curing and other aspects,put forward the cracks control measures,ef-fectively guaranteed the construction quality of concrete engineering.%分析了高温环境下大体积混凝土收缩裂缝的产生原因，从材料控制、设置施工缝、降低混凝土温度、早期养护等方面，提出了裂缝的控制措施，有效保证了混凝土工程的施工质量。
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