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1、砂的公称粒径、砂筛筛孔的公称直径和方孔筛筛孔边长尺寸砂的公称粒径砂筛筛孔的公称直径方孔筛筛孔边长5.00m5.00mm4.75mm2.50mm2.50mm2.35mm1.25mm1.25mm1.18mm630m630m500m315m315m300m160m160m150m80m80m75m砂 颗 粒 级 配 区公称粒径累 计筛余(%) 级配区区区区5.00mm1001001002.50mm3552501501.25mm65355010250630m857170414016315m958092708555160m100901009010090石筛筛孔的公称直径与方孔筛尺寸（mm）石的公称粒径石
2、筛筛孔的公称直径方孔筛筛孔边长2.502.502.365.005.004.7510.010.09.516.016.016.020.020.019.025.025.026.531.531.531.540.040.037.550.050.053.063.063.063.080.080.075.0100.0100.090.0碎石或卵石的颗粒级配范围级配情况公称粒级（mm）累计筛余 按重量计（%）方孔筛筛孔尺寸（mm）2.364.759.516.019.026.5.31.537.553.063.075.090连续粒级51095100801000150-516951008510030600100-520
3、95100901004080-0100-5259510090100-3070-050-531.595100901007090-1545-050-540-951007090-3065-050-单粒级1020-9510085100-0150-1631.5-95100-85100-0100-2040-95100-80100-0100-31.563-95100-751004575-0100-4080-95100-70100-30600100混凝土立方体抗压强度加载速率试件标号加荷速率C306.7511.25KN/SC3025-18.00KN/sC6018.00-22.50KN/s注:一般实际操作中控制在10KN/s左右。
砂的公称粒径
