单项选择题
A.150mm×150mm×600mmB.150mm×150mm×550mmC.100mm×100mm×400mmD.100mm×100mm×550mm
A.0.2mmB.0.5mmC.1mmD.1.5mm
A.0.075mm、0.04mmB.0.075mm、0.05mmC.0.100mm、0.04mmD.0.100mm、0.05mm
A.混凝土的立方体试块抗压强度B.混凝土的立方体抗压强度标准值C.混凝土的试块抗压强度D.混凝土的立方体试件抗压强度值
A.50kg,50gB.50kg,10gC.50kg,5gD.20kg,1g
A.≥C40B.≥C50C.≥C60D.≥C30
A.一个月B.三个月C.半年D.一年
A.mƒcu≥1.10ƒcu,k;ƒcu,min≥ƒcu,kB.mƒcu≥1.15ƒcu,k;ƒcu,min≥ƒcu,kC.mƒcu≥1.10ƒcu,k;ƒcu,min≥0.95ƒcu,kD.mƒcu≥1.15ƒcu,k;ƒcu,min≥0.95ƒcu,k
A.1d;24hB.1d;48hC.2d;24hD.2d;48h
A.0;8B.0;6C.0.1;8D.0.1;6
A.5s~10s;120sB.5s~10s;150sC.3s~7s;120sD.3s~7s;150s