碾压混凝土VC(干湿度)值太小表示( )。A.拌合料湿 不便施工B.拌合料湿 便于施工C.拌合料干
碾压混凝土VC(干湿度)值太小表示( )。
A.拌合料湿,不便施工
B.拌合料湿,便于施工
C.拌合料干,不易压实
D.拌合料干,易压实
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:A
【解析】碾压混凝土的干湿度一般用VC值来表示。VC值太小表示拌合太湿,振动碾易沉陷,难以正常工作。VC值太大表示拌合料太干,灰浆太少,骨料架空,不易压实。故本题应选A。
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