大坝人工骨料生产质量控制检测及分析报告.pptVIP

二滩国际监理部大坝人工骨料生产质量控制检测及分析报告二滩国际二OO八年十月一、概况二、马家河坝灰岩人工砂三、塘房坪粗骨料二滩国际监理部一、概况二滩国际监理部监理试验室对葛洲坝塘房坪、马家河砂石料场进行检测33组：其中马家河砂样检测23组，检测结果见表1、表2。塘房坪粗骨料共检测10组，小石平均中径含量为68.2%，中石平均中径含量为37.1%，大石平均中径含量为37.2%，超逊径、针片状、含泥量平均值基本满足规范要求。检测结果见表3、表4。二、马家河坝灰岩人工砂二滩国际监理部试验编号取样日期取样地点砂样种类细度模数石粉含量（%）累计筛余（%）52.51.250.630.3150.16ETS-22708.7.1马家河人工2.878.30.919.134.961.281.991.6ETS-23008.7.6马家河人工2.818.91.218.234.957.682.390.9ETS-23108.7.8马家河人工2.7413.80.319.235.656.277.186.1ETS-23508.7.29610人工2.5912.30.715.227.656.574.287.5ETS-23608.8.1马家河人工2.5110.60.310.924.953.373.689.5ETS-23708.8.4马家河人工2.849.10.416.334.863.379.990.8ETS-23908.8.5马家河人工2.6811.00.215.631.157.775.089.1ETS-24008.8.7610人工2.6611.90.415.031.258.175.088.0ETS-24108.8.7马家河人工2.7010.10.115.230.957.775.689.9ETS-24208.8.8马家河人工2.7710.20.317.634.259.475.989.8ETS-24308.8.12马家河人工2.789.00.116.733.260.377.390.3ETS-24408.8.15马家河人工2.829.00.217.934.861.878.290.4ETS-24508.8.18马家河人工2.6510.20.312.728.858.476.689.5ETS-24708.8.21610人工2.7110.00.515.430.460.176.889.6ETS-24808.8.25马家河人工2.6810.00.213.429.359.276.889.8ETS-25108.8.30马家河人工2.769.30.315.831.660.678.090.8表1马家河砂料品质检测结果ETS-25208.9.3马家河人工2.6612.10.114.530.258.675.187.7ETS-25408.9.10马家河人工2.6811.30.115.230.758.675.388.6ETS-25608.9.17马家河人工2.6412.10.114.830.157.273.987.9ETS-25708.9.20马家河人工2.5812.20.113.828.055.172.987.8ETS-25808.9.21马家河人工2.6112.30.114.929.255.873.287.5ETS-26108.10.2马家河人工2.839.4017.633.962.278.390.6ETS-26208.10.7马家河人工2.6911.80.116.531.258.374.688.3组数23组最大值2.8713.8//////最小值2.518.3//////平均值2.7110.6//////均方差0.0931.46//////合格率%8370//////《金沙江溪洛渡工程标准》CTGPC·XLD042.6±0.110~15接上表2 细骨料细度模数、石粉含量统计表

从表1、表2可以看出，马家河坝灰岩砂细度模数介于2.51～2.87之间；石粉含量介于8.3%～13.8%