There are two difficult points in the thick plate transition layer of the high-rise building. The first point is the security of load transfer, and the second is the control of mass concrete cracks.

高层建筑厚板转换层施工有两个难点，一是荷载安全传递问题，二是大体积混凝土裂缝控制问题。

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Therefore, linear elastic fracture mechanics can be applied to stability analyses of cracks in mass concrete structures and to improving design methods of hydraulic structures.

因此线弹性断裂力学可以很好地应用于大体积混凝土结构的裂缝稳定性分析和改进水工结构的设计方法。

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This article describes in detail cracks in mass concrete mechanism, and from materials, design, construction and put forward controls, citing specific examples to demonstrate.

本文详细地介绍了大体积混凝土产生裂缝的机理，并从材料、设计、施工方面提出控制手段，引用具体实例进行论证。

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