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1、.第三章 框架侧移刚度的计算3.1横梁线刚度i b的计算：表3-1横梁线刚度ib类别Ec（N/mm2）b×h（mm×mm）I0（mm4）L(m）EcI0/l（N·mm）1.5EcI0/l（N·mm）2EcI0/l（N·mm）AB跨CD跨30000300×6005.4×10962.7×10104.05×10105.4×1010BC跨30000250×5002.6×1092.13.71×10105.57×10107.43×10103.2柱线刚度计算表
2、32柱线刚度ic层次hc（mm）Ec（N/mm2）b×h（mm×mm）Ic（mm4）EcIc/hc（N·mm）145503.0×104600×6001.08×10107.12×10102-636003.0×104600×6001.08×10109×10101.底层A，D：K=5.4/7.12=0.758c=(0.5+K)/(2+K)=0.456Di6=c×12×ic/h2 =0.456×12×7.12×1010/45502 =18819
3、.3B，C：K=（7.3+5.4）/7.12=1.8c=(0.5+K)/(2+K)=0.61Di6=c×12×ic/h2 =0.61×12×7.12×1010/45502 =24979.4D1=18819.3×2+24979.4×2=87597.42、第二六层：A，D：K=5.4×2/（9×2）=0.6c=K/(2+K)=0.23Di1=c×12×ic/h2 =0.23×12×9×1010/36002 =19230.77B，C：K=（5.4+7.43）/9=1.425c=K/(2+K)=0.416Di6=c×12×ic/h2 =0.416×12×9×1010/36002 =34685D1=19230.77×2+34685×2=107831.64D1/D2=87597.4/107831.64=0.81>0.7故框架符合要求 *;