混凝土決賽實(shí)操比賽所用原材料性能數(shù)據(jù)和單價(jià)一、實(shí)操比賽所用原材料性能數(shù)據(jù)海螺水泥（PO42.5）物理檢測項(xiàng)目標(biāo)準(zhǔn)稠度用水量P(%)比表面積(cm2/g)密度(g/cm3)凝結(jié)時(shí)間(min)抗壓強(qiáng)度（MPa）初凝終凝3d28d結(jié)果26.93632.9916420025.846.9化學(xué)檢測項(xiàng)目燒失量/%游離氧化鈣/%三氧化硫/%結(jié)果2.740.922.782、粉煤灰物理檢測項(xiàng)目細(xì)度/%需水量比/%密度(g/cm3)比表面積(cm2/g)含水率/%28d活性指數(shù)結(jié)果13.1992.344480.278化學(xué)檢測項(xiàng)目燒失量/%f-CaO/%SO3/%結(jié)果1.640.351.743、礦渣粉物理檢測項(xiàng)目流動(dòng)度比/%密度(g/cm3)比表面積(cm2/g)含水率/%7d活性/%28d活性/%結(jié)果1012.914410.182113物理檢測項(xiàng)目燒失量/%氯離子%結(jié)果0.270.028砂子（機(jī)制砂）檢測項(xiàng)目細(xì)度模數(shù)MB值（g/kg)表觀密度（kg·m-3）測試結(jié)果2.20.22660分項(xiàng)次數(shù)篩孔4.75mm2.36mm1.18mm600μm300μm150μm<150μm篩余/g103993956668138204493946766133分計(jì)篩余/%107.818.619.013.213.627.7208.918.718.913.513.326.8累計(jì)篩余/%107.826.445.458.682.2100.0208.927.646.560.073.3100.0平均累計(jì)篩余0827465978100細(xì)度模數(shù)12.2022.16平均2.2天然砂檢測項(xiàng)目細(xì)度模數(shù)吸水率（%）表觀密度（kg·m-3）堆積密度（kg·m-3）測試結(jié)果2.50.226001600檢測項(xiàng)目緊密密度（kg·m-3）含泥量（%）泥塊含量（%）含水率（%）測試結(jié)果17601.20.80篩分分項(xiàng)次數(shù)篩孔4.75mm2.36mm1.18mm600μm300μm150μm<150μm篩余/g1158809913294322153819612910233分計(jì)篩余/%10.211.716.120.026.619.06.520.210.716.419.426.120.66.7累計(jì)篩余/%10.211.9284874.693.610020.210.927.346.772.893.4100平均累計(jì)篩余0.211.427.747.473.793.5100細(xì)度模數(shù)12.5022.56平均2.5石子:（玄武巖，粒徑(5-10）mm）測試項(xiàng)目篩分分項(xiàng)篩孔徑/mm26.519.016.09.54.752.36＜2.36篩余/g0002317891807分計(jì)篩余/%0001.289.49.00.4累計(jì)篩余/%000191100100項(xiàng)目吸水率（%）表觀密度（kg·m-3）堆積密度（kg·m-3）緊密密度（kg·m-3）含泥量（%）泥塊含量（%）結(jié)果0.82920154016800.80.6（玄武巖，粒徑(10-25）mm）測試項(xiàng)目篩分分項(xiàng)篩孔徑/mm26.519.016.09.54.752.36＜2.36篩余/g04979303078476215分計(jì)篩余/%09.918.661.69.500.3累計(jì)篩余/%0102990100100100項(xiàng)目吸水率（%）表觀密度（kg·m-3）堆積密度（kg·m-3）緊密密度（kg·m-3）含泥量（%）泥塊含量（%）結(jié)果0.92910156017500.50.4石子不同比例的堆積密度：（5-10）:（10-25）（mm）=2:8堆積密度次數(shù)容量桶質(zhì)量/kg容量桶容積/L試樣+容量桶質(zhì)量/kg堆積密度/kg·m-3平均堆積密度/kg·m-3空隙率/%11.14059.11015901580/21.14059.0401580（5-10）:（10-25）（mm）=3:7堆積密度次數(shù)容量桶質(zhì)量/kg容量桶容積/L試樣+容量桶質(zhì)量/kg堆積密度/kg·m-3平均堆積密度/kg·m-3空隙率/%11.14059.20016101620/21.14059.2401620（5-10）:（10-25）（mm）=4:6堆積密度次數(shù)容量桶質(zhì)量/kg容量桶容積/L試樣+容量桶質(zhì)量/kg堆積密度/kg·m-3平均堆積密度/kg·m-3空隙率/%11.1405921.14059.1901610（5-10）:（10-25）（mm）=5:5堆積密度次數(shù)容量桶質(zhì)量/kg容量桶容積/L試樣+容量桶質(zhì)量/kg堆積密度/kg·m-3平均堆積密度/kg·m-3空隙率/%11.14059.01015801580/21.14059.09015907減水劑固含量減水率摻量1.5%17.5%28%二、實(shí)操比賽所用原材