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Planting roofing cast-in-situ concrete house cover not only more routine floor slabs take more load of seepage control, and integrating degrees, crack resistance, resistance to acidic environments have special requirements, according to us and some researchers on concrete autogenous shrinkage deformation income of experimental research results of initial set period strain of the forming mechanism, and combined with a comprehensive elaboration of cast-in-situ concrete roof of construction of the project put forward main countermeasures
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