A .300
B .450
C .500
D .800
[单选题]CRTSⅠ型轨道板封锚砂浆水灰比不宜大于()。A .0.1B .0.18C .0.25D .0.3
[单选题]CRTSⅠ型轨道板封锚砂浆振捣时,振捣力不应小于()kg。A .2B .4C .6D .8
[单选题]CRTSⅠ型轨道板封锚砂浆应采用()级水泥。A .32.5B .42.5C .52.5D .62.5
[单选题]CRTSⅠ型轨道板封锚砂浆灰砂比不应小于()。A .0.35B .0.45C .0.5D .0.55
[单选题]CRTSⅠ型轨道板封锚砂浆应采用()拌制。A .强制式搅拌机B .滚筒式搅拌机C .人工D .无明确规定
[单选题]水泥砂浆中水泥用量不应小于()kg/M3。A . 100B . 200C . 300D . 400
[单选题]水泥砂浆中水泥用量不应小于()kg/m3。A . 200B . 300C . 320D . 350
[单选题]CRTSⅠ型轨道板预制用混凝土中胶凝材料用量不应超过()kg/m3。A .400B .450C .480D .500
[单选题]CRTSⅠ型轨道板封锚砂浆应分层填压,采用()进行振捣。A .人工B .振捣棒C .附着式振动器D .空气锤
[单选题]CRTSⅠ型轨道板封锚砂浆填压完成后应保温()h。A .12B .24C .48D .72