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[单选题]
若单个支座①的最大压力标准值组合Rck=1475kN,支座使用阶段的平均压应力限值为厅σc= 10.0MPa,选择板式橡胶支座有效承压平面尺寸与下列 ______ 值接近?
A.0.3m×0.5m
B.0.35m×0.5m
C.0.3m×0.65m
D.0.4m×0.6m
查看答案
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A.0.3m×0.5m
B.0.35m×0.5m
C.0.3m×0.65m
D.0.4m×0.6m
在汽车荷载作用下,中墩上主梁一侧单个板式橡胶支座①的最大压力标准值(kN),与下列何项数值最为接近? (A)525 (B)575 (C)655 (D)680
A.81mm2
B.94mm2
C.57mm2
D.112mm2
A.1144
B.1452
C.1609
D.1833
A.Tz=69.0kN,Tb=48.0kN
B.Tz=75.0kN,Tb=45.0kN
C.Tz=79.0kN,Tb=43.0kN
D.Tz=82.0kN,Tb=41.5kN
A.20.5
B.22.6
C.30.4
D.34.5
A.103.5kN.m
B.128.07kN.m
C.130.5kN.m
D.141.3kN.m