A.5% B.10% C.15% D.20%
A.3 B.4 C.5 D.6
A.226 B.244 C.254 D.276
A.1.05 B.1.10 C.1.16 D.1.20
A.18 B.14 C.12 D.8
A.203 B.213 C.225 D.235
A.137.3 B.147.8 C.156.9 D.169.3
A.6.00m B.4.90m C.3.60m D.2.40m
A.2hB.4hC.6hD.8h
A.格構(gòu)構(gòu)件的整體穩(wěn)定承載力高于同截面的實(shí)腹構(gòu)件B.考慮強(qiáng)度降低的影響C.考慮剪切變形的影響D.考慮單肢失穩(wěn)對(duì)構(gòu)件承載力的影響