A.It starts at 8:00.B.It is from 5:30 to 8:00.C.It starts at 5:00.D.It isn't mentioned
A. It starts at 8:00.
B. It is from 5:30 to 8:00.
C. It starts at 5:00.
D. It isn't mentioned.
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如下图所示一桥面净空:净-9+2×0.75m人行道的钢筋混凝土T梁桥,共5根主梁。荷载位于支点处。
当桥上作用的活载是汽车-20级时,1号梁的横向分布系数m0最接近的数值为()。
A. 0.477
B. 0.486
C. 0.521
D. 0.326
The passage explicitly answers the question
A. why suppliers discriminate against self-employees.
B. why Black workers were excluded from the sample used in Brown's study.
C. why private employers discriminate more against women than government employers do.
D. why self-employed women have more difficulty in hiring high-quality employees.
A.runB.goC.comeD.arrive
A. run
B. go
C. come
D. arrive
如下图所示等截面支筒式倒锥壳水塔,水柜容量150m3,支筒高度为2.4m,材料用C30混凝土。基本风压w0=0.6kN/m2,B类地面粗糙度。
已知水柜自重及顶盖活载为800kN,支筒及爬梯等自重为650kN,支筒截面惯性矩I=0.8m4。当按《建筑结构荷载规范》计算风振系数最大值时,结构的基本自振周期T1(s)最接近于()项数值。
A. 0.15
B. 0.9
C. 1.2
D. 1.45