A.局部穩(wěn)定計(jì)算 B.整體穩(wěn)定計(jì)算 C.抗彎強(qiáng)度計(jì)算 D.撓度計(jì)算
A.荷載最大值B.荷載等效值C.荷載標(biāo)準(zhǔn)值D.荷載設(shè)計(jì)值
A.長細(xì)比λy B.等效臨界彎矩系數(shù)βb C.回轉(zhuǎn)半徑iy D.截面不對(duì)稱影響系數(shù)ηb