尺寸为390*190*190mm的每立方米190mm厚混凝土空心砌块墙的砌块和砂浆的总消耗量为( ),灰缝10mm,砌块与砂浆的损耗率均为1.8%A.65块,0.073m3B.66块,0.074m3C.67块,0.075m3D.68块,0.076m3 数学
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【答案】 砌块数：(1/((0.19+0.01)*0.19*(0.39+0.01)))*(1+0.018)＝67
砂浆量：(1-0.39*0.19*0.19*(1/((0.19+0.01)*0.19*(0.39+0.01))))*(1+0.018)＝0.075