【不定項(xiàng)選擇題】第 1 題壁柱的計(jì)算高度H(m)、計(jì)算截面翼緣寬度b
(m)、折算厚度h
(m),與下列何組數(shù)值最為接近?
A.6.7,4.0,0.284
B.6.2,4.0,0.284
C.6.7,4.0,0.324
D.6.2,4.0,0.324
正確答案:A
【不定項(xiàng)選擇題】第 2 題對(duì)該壁柱墻進(jìn)行高厚比驗(yàn)算,β≤μμ
[β],其左右端項(xiàng),與下列何項(xiàng)數(shù)值最為接近?
A.14.51<24
B.21.8<22.72
C.23.6<24
D.16.25<19.2
正確答案:C
【不定項(xiàng)選擇題】第 3 題對(duì)該山墻的壁柱間墻進(jìn)行高厚比驗(yàn)算,β≤μμ
[β],其左右端項(xiàng),與下列何項(xiàng)數(shù)值最為接近?
A.12.5<24
B.14.8<22.72
C.16.25<24
D.16.25<19.2
正確答案:A