活載桿和活載梁柱的結(jié)構(gòu)計(jì)算設(shè)計(jì)案例1900字

活載桿和活載梁柱的結(jié)構(gòu)計(jì)算設(shè)計(jì)案例綜述目錄TOC\o"1-3"\h\u1773活載桿和活載柱的結(jié)構(gòu)計(jì)算設(shè)計(jì)案例綜述 1176901活載桿端彎矩計(jì)算 167932活載下彎矩分配計(jì)算 1129983活載跨中彎矩計(jì)算 418254活載柱端剪力計(jì)算 4160755活載梁端內(nèi)力計(jì)算 51活載桿端彎矩計(jì)算活載的計(jì)算與恒載完全一致，梁固端彎矩計(jì)算如下式所示：（以順時(shí)針為正）表1.11活載作用梁固端彎矩計(jì)算樓層均布荷載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Mb左Mb右Mb左Mb右Mb左Mb右61.410.941.417.22.47.2-1.091.09-0.450.45-1.091.0955.634.695.637.22.47.2-24.3224.32-2.252.25-24.3224.3245.634.695.637.22.47.2-24.3224.32-2.252.25-24.3224.3235.634.695.637.22.47.2-24.3224.32-2.252.25-24.3224.3225.634.695.637.22.47.2-24.3224.32-2.252.25-24.3224.3215.634.695.637.22.47.2-24.3224.32-2.252.25-24.3224.322活載下彎矩分配計(jì)算活載彎矩二次分配計(jì)算與恒載完全一致，同樣分為四步：第一步：將各節(jié)點(diǎn)的不平衡彎矩進(jìn)行第一次分配；第二步：將分配后的彎矩向遠(yuǎn)端傳送，傳遞系數(shù)均為0.5；第三步：第一次分配彎矩傳遞后的彎矩，再進(jìn)行第二次彎矩分配，分配結(jié)果不再傳遞；第四步：將各桿端的所有桿端彎矩疊加即為各桿端的最后彎矩上柱下柱右梁左梁上柱下柱右梁左梁上柱下柱右梁左梁上柱下柱0.0000.8750.1250.11200.7880.1000.10000.7880.1120.12500.8750.00-1.091.090.00-0.450.450.00-1.091.090.000.005.330.76-0.630.00-4.44-0.560.560.004.440.63-0.760.00-5.330.005.68-0.320.380.00-4.870.28-0.280.004.87-0.380.320.00-5.680.00-4.69-0.670.470.003.310.42-0.420.00-3.31-0.470.670.004.690.001.31-1.311.310.00-1.00-0.310.310.001.00-1.311.310.00-1.310.4670.4670.0660.0630.4410.4410.0560.0560.4410.4410.0630.0660.4670.4670.00-24.3224.320.00-2.252.250.00-24.3224.320.0011.3611.361.61-1.39-9.73-9.73-1.241.249.739.731.39-1.61-11.36-11.362.665.68-0.700.80-2.22-4.870.62-0.622.224.87-0.800.70-2.66-5.68-3.57-3.57-0.500.362.502.500.32-0.32-2.50-2.50-0.360.503.573.5710.4513.46-23.9124.09-9.46-12.10-2.552.559.4612.10-24.0923.91-10.45-13.460.4670.4670.0660.0630.4410.4410.0560.0560.4410.4410.0630.0660.4670.4670.00-24.3224.320.00-2.252.250.00-24.3224.320.0011.3611.361.61-1.39-9.73-9.73-1.241.249.739.731.39-1.61-11.36-11.365.685.68-0.700.80-4.87-4.870.62-0.624.874.87-0.800.70-5.68-5.68-4.98-4.98-0.700.523.673.670.47-0.47-3.67-3.67-0.520.704.984.9812.0612.06-24.1124.26-10.93-10.93-2.402.4010.9310.93-24.2624.11-12.06-12.060.4670.4670.0660.0630.4410.4410.0560.0560.4410.4410.0630.0660.4670.4670.00-24.3224.320.00-2.252.250.00-24.3224.320.0011.3611.361.61-1.39-9.73-9.73-1.241.249.739.731.39-1.61-11.36-11.365.685.68-0.700.80-4.87-4.870.62-0.624.874.87-0.800.70-5.68-5.68-4.98-4.98-0.700.523.673.670.47-0.47-3.67-3.67-0.520.704.984.9812.0612.06-24.1124.26-10.93-10.93-2.402.4010.9310.93-24.2624.11-12.06-12.060.4670.4670.0660.0630.4410.4410.0560.0560.4410.4410.0630.0660.4670.4670.00-24.3224.320.00-2.252.250.00-24.3224.320.0011.3611.361.61-1.39-9.73-9.73-1.241.249.739.731.39-1.61-11.36-11.365.687.00-0.700.80-4.87-5.930.62-0.624.875.93-0.800.70-5.68-7.00-5.60-5.60-0.790.594.134.130.52-0.52-4.13-4.13-0.590.795.605.6011.4412.76-24.2024.32-10.47-11.53-2.342.3410.4711.53-24.3224.20-11.44-12.760.5760.3420.0820.0760.5370.3190.0680.0680.5370.3190.0760.0820.5760.3420.00-24.3224.320.00-2.252.250.00-24.3224.320.0014.018.321.99-1.68-11.85-7.04-1.501.5011.857.041.68-1.99-14.01-8.325.680.00-0.841.00-4.870.000.75-0.754.870.00-1.000.84-5.680.00-2.79-1.66-0.400.241.670.990.21-0.21-1.67-0.99-0.240.402.791.6611.901.66-23.5623.88-15.04-1.05-2.792.7915.041.05-23.8823.56-11.90-1.663.33-3.023.02-3.33PAGEPAGE183活載跨中彎矩計(jì)算在實(shí)際分布荷載的作用下，框架梁跨中彎矩按下面的式子計(jì)算：表1.12跨中彎矩計(jì)算樓層均布荷載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61.410.941.417.22.47.22.820.372.8255.634.695.637.22.47.212.480.8312.4845.634.695.637.22.47.212.30.9712.335.634.695.637.22.47.212.30.9712.325.634.695.637.22.47.212.221.0312.2215.634.695.637.22.47.212.760.5912.764活載柱端剪力計(jì)算圖1.6受力分析圖因此柱端剪力可按下式進(jìn)行計(jì)算：表1.13柱端剪力計(jì)算樓層類別柱高柱端彎矩柱端剪力上下上下6A3.001.3110.455.595.59B3.00-1.00-9.465.155.15C3.001.009.465.155.15D3.00-1.31-10.455.595.595A3.0013.4612.068.518.51B3.00-12.10-10.937.687.68C3.0012.1010.937.687.68D3.00-13.46-12.068.518.514A3.0012.0612.068.048.04B3.00-10.93-10.937.297.29C3.0010.9310.937.297.29D3.00-12.06-12.068.048.043A3.0012.0611.447.837.83B3.00-10.93-10.477.137.13C3.0010.9310.477.137.13D3.00-12.06-11.447.837.832A3.0012.7611.909.899.89B3.00-11.53-15.048.868.86C3.0011.5315.048.868.86D3.00-12.76-11.909.899.891A5.051.663.331.981.98B5.05-1.05-3.021.801.80C5.051.053.021.801.80D5.05-1.66-3.331.981.985活載梁端內(nèi)力計(jì)算計(jì)算梁端剪力梁平衡受力及柱軸力圖如下：圖1.7梁平衡受力圖由梁的平衡條件，梁端剪力按下列公式求得：柱軸力按下列公式計(jì)算：表1.14梁端剪力計(jì)算樓層均布荷載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61.410.941.417.202.407.205.085.081.131.135.085.0855.634.695.637.202.407.2020.2420.295.635.6320.2920.2445.634.695.637.202.407.2020.2520.295.635.6320.2920.2535.634.695.637.202.407.2020.2520.295.635.6320.2920.2525.634.695.637.202.407.2020.2520.285.635.6320.2820.2515.634.695.637.202.407.2020.2220.315.635.6320.3120.22表1.15豎向活載作用下A柱軸力計(jì)算樓層集中荷載PVb左Vb右Nc（kN）6上部9.360.005.0814.44下部0.000.0014.445上部37.420.0020.2472.10下部0.000.0072.104上部37.420.0020.25129.77下部0.000.00129.773上部37.420.0020.25187.44下部0.000.00187.442上部37.420.0020.25245.11下部0.000.00245.111上部37.420.0020.22302.75下部0.000.00302.75表1.16豎向活載作用下B柱軸力計(jì)算樓層集中荷載PVb左Vb右Nc（kN）6上部13.255.081.1319.46下部0.000.0019.465上部51.8520.295.63102.23下部0.000.00102.234上部51.8520.295.63185.00下部0.000.00185.003上部51.8520.295.63267.77下部0.000.00267.772上部51.8520.285.63350.53下部0.000.00350.531上部51.8520.315.63433.32下部0.000.00433.32表1.17豎向活載作用下C柱軸力計(jì)算樓層集中荷載PVb左Vb右Nc（kN）6上部13.25