×1/2+7.4×3.45×(58.2-57.6)×18×1/4×1/2+7.4×0.5×(58.2-57.6)×18×1/2=165.3KNР④框架梁上部活荷载:Рg5=7.4×7.4×2.5×1/4×1/2+7.4×3.45×2.5×1/4×1/2+7.4×0.5×2.5×1/2=29.7KNР⑤D2-8轴~ D2-9轴间框架梁传给置换柱的总荷载:РG1= (g1+g2+g3+g4+g5) ×1.2Р=(64.75+68.45+24.26+165.3+29.7) ×1.2=423 KNР2)D2-9轴~ D2-10轴间框架梁受力分析:跨度6000mmР①框架梁自重:截面600×1100Рg1=0.6×1.1×6.0×25×1/2=49.5KNР②框架梁两侧梁板恒载:Рg2=(7.4×6.0×0.2+0.35×0.55×7.4+0.35×0.55×2.85×4)×25×1/4×1/2=35.6KNРg3=(6×3.45×0.2×25+0.35×0.55×6×25+0.35×0.55×3.1×25)×1/4×1/2=18.4KNР③框架梁上部覆土恒载:覆土顶标高北侧58.20,南侧57.50Рg4=7.4×6×(57.5-56.6)×18×1/4×1/2+6×3.45×(58.2-57.6)×18Р×1/4×1/2+6×0.6×(58.2-57.6)×18×1/2=137.3KNР④框架梁上部活荷载:Рg5=7.4×6×2.5×1/4×1/2+6×3.45×2.5×1/4×1/2+6×0.5×2.5×1/2=24.1KNР⑤D2-9轴~ D2-10轴间框架梁传给置换柱的总荷载:РG2= (g1+g2+g3+g4+g5) ×1.2Р=(49.5+35.6+18.4+137.3+24.1) ×1.2=295.8KNР3)D2-B轴~ D2-D轴间框架梁受力分析:跨度3450mm