内蒙古科技大学毕业设计说明书
23?1?1.8??1.8??2 ???12.06?6.9??1?2?????????42.202kN?m
12?6.9??6.9????? MBA?42.202kN?m
BC梁：
11q1?作用MBC??ql2???3.14?1.22??1.507kN?m
33 则1-4层 MAB??39.873???42.202???82.075kN?m MBA?82.075kN?m、MBC??1.507kN?m 活载作用下：
5层AB梁：
23?112?1.8??1.8??232??ql1?2??????1.8?6.9??1?2??????? 1212?6.9??6.9????? MAB?? ??6.299kN?m MBA?6.299kN?m
1-4层AB梁：
23?112?1.8??1.8??232??ql1?2??????7.2?6.9??1?2??????? 1212?6.9??6.9????? MAB?? ??26.115kN?m MBA?26.115kN?m
7.4.3 弯矩二次分配
将各个节点不平衡弯矩进行第一次反号分配；所有杆端的分配弯矩向远端传递，传递系数均为1/2；各节点因传递弯矩而产生新的不平衡，将不平衡的弯矩进行第二次反号分配，使各节点处于平衡状态；将杆端的固端弯矩、分配弯矩、和传递弯矩代数和，
33
内蒙古科技大学毕业设计说明书
即得各杆端弯矩。具体详细过程见图。
上柱下柱右梁0.5470.45322.36-92.00038.09331.54711.035-12.4040.7490.62049.877-72.2370.3540.3540.29219.73-82.07520.07020.07018.20519.04711.035 -7.665-7.936-7.936-6.54633.18125.169-78.0810.3540.3540.29219.73-82.07522.07022.07018.20511.03511.035 -7.665-5.099-5.099 -4.20628.00628.006 -75.7410.3540.3540.29219.73-82.07522.07022.07018.02511.03511.815 -7.665-5.375-5.375-4.43427.73028.510-75.9690.3790.3070.31419.73-82.07523.62919.14019.576-8.18011.035-1.082-0.876-0.89633.58218.264-71.575左梁上柱下柱右梁0.4780.1260.396-1.50792.00027.85-29.943-7.893-24.807-9.23815.774-2.588-3.124-0.82480.379-42.305-10.2240.2680.3230.3230.08523.37-1.50782.075-15.329-18.475-18.475-4.8629.103-14.972-9.2384.8804.0494.8801.28479.898-28.567-22.833-5.0850.2680.3230.3230.08523.37-1.50782.075-15.329-18.475-18.475-4.8629.103-9.238-9.238 2.5123.0273.0270.79778.361-24.686-24.686-5.3920.2680.3230.3230.08523.37-1.50782.075-15.329-18.475-18.475-4.8629.103-9.238-9.867 2.681 3.231 3.231 0.85078.530-24.482-25.111-5.5190.2860.3450.2790.09082.07523.37-1.507-16.359-19.733-15.958-5.1489.788-9.238-0.190-0.153-0.050-0.15775.347-29.161-16.111-6.7059.132-8.056 图7.4 恒载作用下框架二次弯矩分配计算图
34
内蒙古科技大学毕业设计说明书
上柱下柱右梁0.5470.4531.17-6.2992.3232.8063.790-0.950-1.553-1.2875.043-6.2130.3540.3540.2924.70-26.1157.5817.5816.2531.4033.790-2.653-0.899-0.899-0.7428.08510.472-23.2570.3540.3540.2924.70-26.1157.5817.5816.2533.7903.790-2.653-1.745-1.745-1.4399.6269.626-23.9540.3540.3540.2924.70-26.1157.5817.5816.2533.7904.058-2.653-1.839-1.839-1.5179.5329.800-24.0320.3790.3070.3144.70-26.1158.1166.5746.724-2.8313.790-0.363-0.294-0.30111.5436.280-22.523左梁上柱0.3966.2991.50-1.9001.1620.8066.367下柱右梁0.4780.126-2.294-0.605-3.1970.2560.973-4.518-0.3490.2680.3230.3230.0856.3226.115-5.305-6.394-6.394-1.6833.127-1.147-3.1970.3640.3640.0960.32624.263-7.177-9.227-1.5870.2680.3230.3230.0856.3226.115-5.305-6.394-6.394-1.6833.127-3.197-3.197 0.8761.0551.0550.27824.813-8.536-8.536-1.4050.2680.3230.3230.0856.3226.115-5.305-6.394-6.394-1.6833.127-3.197-3.415 0.934 1.126 1.126 0.29624.871-8.465-8.683-1.3870.2860.3450.2790.0906.3226.115-5.661-6.829-5.523-1.7823.362-3.197-0.047-0.057-0.046-0.01523.769-10.083-5.569-1.7973.140-2.785 图7.5 活载作用下框架二次弯矩分配计算图
35
内蒙古科技大学毕业设计说明书
72.23749.87780.37910.22442.30578.08125.16933.18179.8985.08528.56722.83375.74128.00628.00678.3615.39224.68624.68675.96928.51027.73078.5305.51924.48225.11171.57518.26433.58275.3476.70529.16116.1119.1328.056
表7.6 恒载作用下框架弯矩图（kN?m）
36
内蒙古科技大学毕业设计说明书
6.2135.0436.3670.3494.51823.25710.4728.08524.2637.1771.5879.22723.9549.6269.62624.8138.5361.4058.53624.0329.8009.53224.8718.4651.3878.68322.5236.28011.54323.7691.79710.0835.5693.1402.785
表7.7 活载作用下框架弯矩图（kN?m）
37