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高强混凝土的劈拉强度ｆｓｐ与其立方抗压强度ｆｃｕ的比值小于普通混凝土．作者分析了国内高强混凝土劈拉强度试验３９组数据，给出了计算公式
The ratio of the tensile strength fsp and the cubic compressive strength fcu of high-strength concrete is smaller than that of ordinary concrete. The author analyzed 39 sets of data of tensile strength test of domestic high-strength concrete and gave the formula