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对关中西部地区各类中、小型砼工程中，配合比设计所积累的实验资料进行了统计分析，建立了３种关系曲线图和５组经验公式，编制出了适用于该地区选择砼配合比的参数表和砂浆配合比表，并对该地区原材料的质量状况和砼的性能特点，进行了必要的分析
A statistical analysis of the experimental data accumulated in the mix design for various types of medium and small concrete projects in the central and western Guanzhong region was conducted. Three kinds of relationship curves and five empirical formulas were established, and the appropriate mix ratio for the region was compiled. The parameter table and mortar mix table, and the necessary analysis of the quality of the raw materials in the region and the performance characteristics of thorium