恒载弯矩二次分配计算表格
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上柱下柱右梁弯矩分配系数00.4310.569荷载作用下弯矩值-82.6712.1230.40740.1435层7.912-6.870-0.449-0.593总弯矩值37.870-49.990上柱下柱右梁弯矩分配系数0.3010.3010.398荷载作用下弯矩值-91.8412.9823.73723.73731.3864层10.1367.912-6.450-3.491-3.491-4.616总弯矩值30.38228.158-71.520上柱下柱右梁弯矩分配系数0.3010.3010.398荷载作用下弯矩值-91.8412.9823.73723.73731.3863层7.9127.912-6.450-2.822-2.822-3.731总弯矩值28.82728.827-70.635上柱下柱右梁弯矩分配系数0.3010.3010.398荷载作用下弯矩值-91.8412.9823.73723.73731.3862层7.912 2.438-6.450-1.174-1.174-1.552总弯矩值30.47525.001-68.456上柱下柱右梁弯矩分配系数0.2540.40.346荷载作用下弯矩值-91.8463.047.31511.5209.9651层7.912-5.368-0.646-1.018-0.880总弯矩值14.58110.502-88.124柱底弯矩值 5.251左梁上柱下柱右梁左梁0.21500.1630.6220.792 82.670-7.72-11.047.72-13.741-10.417-39.752-0.713 20.071-3.254-0.356-19.876-3.539-2.683-10.23915.828 85.462-16.355-58.067 2.959左梁上柱下柱右梁左梁0.1850.140.140.5350.65691.84-6.63-15.48 6.63 -12.900-9.762-9.762-37.306-1.246 15.693-3.472-3.254-0.623-18.653-1.544-1.168-1.168-4.46412.349 93.090-14.403-14.184-49.022-0.921左梁上柱下柱右梁左梁0.1850.140.140.5350.65691.84-6.63-15.48 6.63 -12.900-9.762-9.762-37.306-1.246 15.693-3.254-3.254-0.623-18.653-1.584-1.199-1.199-4.58112.379 93.049-14.215-14.215-49.139-0.890左梁上柱下柱右梁左梁0.1850.140.140.5350.65691.84-6.63-15.48 6.63 -12.900-9.762-9.762-37.306-1.246 15.693-3.254-2.627-0.623-18.653-1.700-1.286-1.286-4.91611.856 92.933-14.303-13.676-49.475-1.413左梁上柱下柱右梁左梁0.1730.1270.20.50.60491.84-6.63-23.15 6.63 -10.736-7.882-12.412-31.0308.1044.982-3.254 4.052-15.515-1.000-0.734-1.156-2.8909.437 85.086-11.870-13.568-36.4988.656-6.784上柱下柱-6.82上柱下柱0.1720.172-4.73 -0.327-0.327-0.062-0.1093.238 3.2382.849 2.802上柱下柱0.1720.172-4.73 -0.327-0.327-0.109-0.1093.246 3.2462.810 2.810上柱下柱-4.73 -0.327-0.327-0.1090.6893.109 3.1092.6733.471上柱下柱0.1540.242-20.048 2.066 3.247-0.1092.4063.7814.3647.0283.514。
上柱下柱右梁左梁上柱弯矩分配系数0.000.460.540.390.00荷载作用下弯矩值0.000.00-82.3682.360.000.0037.8944.47-29.430.0015.88-14.7122.24-0.54-0.63-8.090.00-3.33-4.05-0.323.39 3.98-0.840.00总弯矩值63.01-54.3497.02上柱下柱右梁左梁上柱弯矩分配系数0.320.320.360.300.25荷载作用下弯矩值-99.2699.2631.7631.7635.73-28.03-23.3618.9415.88-14.0117.87-12.83-6.66-6.66-7.49-0.81-0.68-0.27-0.30-0.41-3.75-3.530.310.310.35 2.68 2.24总弯矩值52.3948.50-77.59101.30-40.38上柱下柱右梁左梁上柱弯矩分配系数0.320.320.360.300.25荷载作用下弯矩值-99.2699.2631.7631.7635.73-28.03-23.3615.880.00-14.0117.87-11.68-0.60-0.60-0.67-4.66-3.88-3.330.00-2.33-0.34-0.341.81 1.812.04-0.26-0.22总弯矩值48.5048.50-77.59101.30-37.33上柱下柱右梁左梁上柱弯矩分配系数0.320.320.360.300.25荷载作用下弯矩值-99.2699.2631.7631.7635.73-28.03-23.360.000.00-14.0117.870.004.48 4.485.04-8.16-6.800.000.00-4.08 2.520.001.31 1.31 1.47-1.57-1.31总弯矩值48.5048.50-77.59101.30-37.33上柱下柱右梁左梁上柱弯矩分配系数0.320.320.360.300.25荷载作用下弯矩值-99.2699.2631.7631.7635.73-28.03-23.360.000.00-14.0117.870.004.48 4.485.04-8.16-6.800.000.00-4.08 2.520.001.31 1.31 1.47-1.57-1.31总弯矩值48.5048.98-77.59101.30-37.33上柱下柱右梁左梁上柱弯矩分配系数0.340.260.400.310.27荷载作用下弯矩值-99.2699.2633.7525.8139.70-28.96-25.220.000.00-14.4819.850.004.92 3.765.79-9.34-8.130.000.00-4.67 2.900.001.59 1.21 1.87-1.93-1.68总弯矩值50.2632.87-73.55101.30-39.27柱底弯矩值16.43下柱右梁左梁上柱下柱右梁0.250.200.200.250.250.30-5.84 5.84-99.26 -23.36-18.6818.6823.3623.3628.03 -11.689.34-9.3412.8311.68-17.87 -0.68-0.540.540.680.680.81 -1.940.27-0.27 3.53 1.94 3.75 2.24 1.79-1.79-2.24-2.24-2.68 -37.33-42.3242.3240.3837.33-101.30下柱右梁左梁上柱下柱右梁0.250.200.200.250.250.30-5.84 5.84-99.26 -23.36-18.6818.6823.3623.3628.03 0.009.34-9.3411.680.00-17.87 -3.88-3.11 3.11 3.88 3.88 4.66 0.00 1.55-1.550.340.000.34 -0.22-0.180.180.220.220.26 -37.33-42.3242.3237.3337.33-101.30下柱右梁左梁上柱下柱右梁0.250.200.200.250.250.30-5.84 5.84-99.26 -23.36-18.6818.6823.3623.3628.03 0.009.34-9.340.000.00-17.87 -6.80-5.44 5.44 6.80 6.808.16 0.00 2.72-2.720.000.00-2.52 -1.31-1.05 1.05 1.31 1.31 1.57-37.33-42.3242.3237.3337.33-101.30下柱右梁左梁上柱下柱右梁0.250.200.200.250.250.30-5.84 5.84-99.26 -23.36-18.6818.6823.3623.3628.03 0.009.34-9.340.000.00-17.87 -6.80-5.44 5.44 6.80 6.808.16 0.00 2.72-2.720.000.00-2.52 -1.31-1.05 1.05 1.31 1.31 1.57 -37.87-42.3242.3237.3337.87-101.30下柱右梁左梁上柱下柱右梁0.200.220.220.270.200.31-5.84 5.84-99.26 -18.68-20.5520.5525.2218.6828.96 0.0010.28-10.280.000.00-19.85 -6.03-6.63 6.638.13 6.039.34 0.00 3.31-3.310.000.00-2.90 -1.24-1.37 1.37 1.68 1.24 1.93 -27.00-42.8042.8039.2727.00-101.30-13.5013.50左梁宽(m)0.35左梁高(m)0.80中框架梁惯性矩I298.67跨度(m)7.80梁线刚度38.29上柱b(m)0.00上柱h(m)0.40 0.360.320.32中柱惯性矩I。
1轴线框架在恒载作用下的弯矩2次分配法计算表
(表A)1轴线框架梁柱线刚度、固端弯矩总表
使用方法:只需在该EXCEL A表格中输入相应的梁柱线刚度系数和固端弯矩即可计算结果EXCEL自动给出
尤其对高层演算效率突出!有计算过程和准确的结果对于更高的楼层只需在本电子表格基础上简单的复制粘贴再将复制的上下柱传递函数改一下即可!也可在此基础上再加几道函数程序对每个结点进行反复循环的分配和传递。
注:本表采用弯矩二次分配法计算,对框架弯矩进行整体分配和传递,底层与各层的柱的线刚度均不乘以0.9,传递系数均取1/2。
本表对力矩分配、传递的过程作了如下改进:(1)将由结点不平衡力矩较大的结点开始计算,改为按结点顺序进行;(2)将由各结点逐一分配、传递,改为所有结点同时放松,进行分配力矩(只与结点各杆近端有关),再将所有结点同时固定,进行力矩传递(只与各杆远端有关),并计算各结点新的不平衡力矩。
每个结点都进行2次分配和1次传递。
(表B)弯矩2次分配与传递表
4层。