【《某5层办公楼结构的竖向荷载作用下框架结构内力计算过程案例》6500字】

某5层办公楼结构的竖向荷载作用下框架结构内力计算过程案例目录TOC\o"1-3"\h\u3634某5层办公楼结构的竖向荷载作用下框架结构内力计算过程案例 .10活载跨中弯矩计算在实际分布荷载的作用下，框架梁跨中弯矩按下面的式子计算：表1.12跨中弯矩计算楼层均布荷载q（kN/m）跨度l（m）AB跨BC跨CD跨AB跨BC跨CD跨AB跨BC跨CD跨51.61.261.67.22.77.23.71-0.153.7141.414.221.417.22.77.217.15-1.4817.1531.414.221.417.22.77.211.41-1.0311.4121.414.221.417.22.77.211.71-1.1911.7111.414.221.417.22.77.211.43-0.811.431.11活载柱端剪力计算图1.6受力分析图因此柱端剪力可按下式进行计算：表1.13柱端剪力计算楼层类别柱高柱端弯矩柱端剪力上下上下5A3.601.5010.254.654.65B3.60-5.52-8.813.983.98C3.605.528.813.983.98D3.60-1.50-10.254.654.654A3.6013.2312.197.067.06B3.60-11.15-10.491.011.01C3.6011.1510.491.011.01D3.60-13.23-12.197.067.063A3.6012.1912.641.901.90B3.60-10.49-10.725.895.89C3.6010.4910.725.895.89D3.60-12.19-12.641.901.902A3.6011.3511.291.291.29B3.60-9.91-9.335.345.34C3.609.919.335.345.34D3.60-11.35-11.291.291.291A5.0513.171.593.913.91B5.05-11.78-5.893.503.50C5.0511.785.893.503.50D5.05-13.17-1.593.913.911.12活载梁端内力计算计算梁端剪力梁平衡受力及柱轴力图如下：图1.7梁平衡受力图由梁的平衡条件，梁端剪力按下列公式求得：柱轴力按下列公式计算：表1.14梁端剪力计算楼层均布荷载q（kN/m）跨度l（m）AB跨BC跨CD跨AB跨BC跨CD跨AB跨BC跨CD跨Vb左Vb右Vb左Vb右Vb左Vb右51.601.261.607.202.707.205.725.801.701.705.805.7241.414.221.417.202.707.2022.8323.335.705.7023.3322.8331.414.221.417.202.707.2022.8723.285.705.7023.2822.8721.414.221.417.202.707.2022.8423.315.705.7023.3122.8411.414.221.417.202.707.2022.9023.255.705.7023.2522.90表1.15竖向活载作用下A柱轴力计算楼层集中荷载PVb左Vb右Nc（kN）5上部9.810.005.7215.53下部0.000.0015.534上部39.280.0022.8377.64下部0.000.0077.643上部39.280.0022.87139.79下部0.000.00139.792上部39.280.0022.84201.91下部0.000.00201.911上部39.280.0022.90264.09下部0.000.00264.09表1.16竖向活载作用下B柱轴力计算楼层集中荷载PVb左Vb右Nc（kN）5上部11.055.801.7023.55下部0.000.0023.554上部67.6923.335.70120.27下部0.000.00120.273上部67.6923.285.70211.94下部0.000.00211.942上部67.6923.315.70313.64下部0.000.00313.641上部67.6923.255.70410.28下部0.000.00410.28表1.17竖向活载作用下C柱轴力计算楼层集中荷载PVb左Vb右Nc（kN）5上部11.051.705.8023.55下部0.000.0023.554上部67.695.7023.33120.27下部0.000.00120.273上部67.695.7023.28211.94下部0.000.00211.942上部67.695.7023.31313.64下部0.000.00313.641上部67.695.7023.25410.28下部0.000.00410.28表1.18竖向活载作用下D柱轴力计算楼层集中荷载PVb左Vb右Nc（kN）5上部9.815.720.0015.53下部0.000.0015.534上部39.2822.830.0077.64下部0.000.0077.643上部39.2822.870.00139.79下部0.000.00139.7