受弯构件 单筋 新规范

受弯构件 单筋 新规范b(mm)h(mm)as=as'(mm)fcftα1fy=fy'As'(mm2)M(kN.m)ξbαξx(mm)ρρminAs(mm2)10001202511.91.271.003000160.5500.1490.16215.40.64%0.20%61110004005611.91.271.003000530.5500.0380.03813.20.15%0.00%5242504004014.31.431.003000600.5500.1300.13950.10.66%0.21%597140020006519.11.711.003000120000.4960.1200.128247.80.82%0.26%220862003004025.12.361.00405066.70.4960.1970.22157.61.37%0.26%71210004504528.72.571.004050176请输入0.0370.03815.50.27%0.29%1154b(mm)h(mm)a=a'(mm)fcftα1fy=fy'As'(mm2)M(kN.m)ξbαξx(mm)ρρminAs(mm2)C209.61.101ξb(C20~C50)求ξbβ1fyEsεcuC2511.91.271210HPB2350.6140.4960.84052.00.0033C3014.31.431300HRB3350.550C3516.71.571360HRB4000.518C4019.11.711360RRB4000.518C4521.11.801C5023.11.891