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选用了高性能砂浆垫层方案。检验了高性能砂浆的泌水率、凝结时间、抗压和劈拉强度。用碾压混凝土层间试件直剪试验,研究高性能砂浆垫层,提高碾压混凝土层面抗剪断强度的效能。
Selected high-performance mortar cushion program. Test the bleeding rate of high-performance mortar, setting time, compressive strength and splitting tensile strength. Using the direct shear test of RCC interlayer specimens, the performance of high performance mortar cushion to improve the shear strength of RCC is studied.