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[单选题]
某混凝土坝工程,混凝土总量为20×104m3,土石方填筑工程需要砂砾料4.0×104m3,砂砾石料运输、加工总损耗补偿系数为1.2,每立方米混凝土骨料用量为2.2t,砂砾石天然密度为1.9t/m3,该工程所需开采砂砾石量为( )×104t。
A.28.8
B.57.6
C.61.92
D.51.6
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.28.8
B.57.6
C.61.92
D.51.6
A.482.84 B.492.84 C.502.84 D.512.84
A.1#、2#B.1#、3#C.2#、3#D.2#、1#
A.966
B.967
C.968
D.969
A.22.46、24.76 B.30.13、24.02 C.27.79、23.30 D.29.88、35.34
A.170.0
B.165.0
C.600.0
D.681.0
A.319.5
B.1278.0
C.1290.8
D.322.7
A.1366
B.1429
C.1247
D.1294