表3 框架梁线刚度计算表层号轴线号2~A～B轴~6B～C轴1A～B轴B～C轴边0中10101砼砼弹性模量梁宽标ECb号KN/m2（106）mC353.250.35C353.250.35C353.250.35C353.250.35梁高梁跨截面惯心矩hm0.70.70.70.7LI0bh123中框架梁线刚度ib＝2EcIb/lmm4（×1000）KN.m（×10-4）7.510.008.676.310.0010.327.510.008.676.310.0010.32计算表
边框架梁线刚度ib＝1.5EcIb/lKN.m（×10-4）6.507.746.507.74中框架梁抗弯刚度EI32.5132.5132.5132.51
