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【单选题】
材料2 某桥梁采用钻孔灌注桩基础,桩基直径为140cm,桩长20.3m,桩计算长度为14.2m,桩横截面钢筋布置,如图2所示。该桩采用C35混凝土,1号钢筋为直径25mmHRB335钢筋,30根,单根长19.8m,单根面积为490.9mm2,钢筋每3.85kg,2号钢筋采用直径10mmHPB300钢筋,1根,长48.8m,钢筋每0.617kg,螺旋设置,螺距为100mm。该桩为偏心受压构件,该桩承受的计算弯矩为1234kN.m,承受的压力为1023kN。已知 , , 其中 图2 桩横断面图(单位:cm) 回答材料2-1至2-9 材料2-1该桩混凝土的方量为()m3
A.
30.2
B.
31.2
C.
35.2
D.
21.8
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A.
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B.
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L
D.
M
E.
N
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O
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P
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A.
at that moment
B.
for that moment
C.
soon
D.
immediately
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A.
promise; promise
B.
promised; promised
C.
has promised; promise
D.
promised; promise
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