山东建筑大学毕业设计说明书
利用弯矩分配法将计算结果见表4.3
表4.3
节点 杆端
I IG
IK 0.33
IJ 0.266
J JI 0.194
JH 0.296
JL 0.242
JJ’ 0.268
分配系0.404 数 M
30.1 3.23 33.33
-91.22 24.26 -9.9 2.61 -74.15
91.22 12.13 -19.8 1.31 -0.25 84.61
-30.2 -0.39 -30.59
-24.69 -0.32 -25.01
-1.31 -27.35 -0.35 -29.01
分配与36.86 传递
4.06
?
40.92
叠加以上各层进行二次分配: A节点:
57.92?12.6?70.52kN/m
梁端弯矩:?57.92?12.6?0.4??62.96kN/m 柱端弯矩:70.52?12.6?0.6?62.96kN/m B节点:
?39.8?9.59??49.39kN/m
下柱端弯矩:?49.39?9.59?0.391??45.64kN/m 左梁端弯矩:77.05?9.59?0.256?79.51kN/m 右梁端弯矩:?37.25?9.59?0.353??33.87kN/m C节点:
37.8?19.3?57.1kN/m 37.8?12.6?50.4kN/m (19.3?12.6)?0.376?44.73kN/m 上柱端弯矩:57.1?(19.3?12.6)?0.376?39.04kN/m 下柱端弯矩:50.4?(19.3?12.6)?0.248??83.77kN/m 右梁端弯矩:?75.6?D节点:
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山东建筑大学毕业设计说明书
?28.77?13.27??42.04kN/m -28.77?9.59?-38.36kN/m (13.27?9.59)?0.281??35.44kN/m 上柱端弯矩:?42.04?(13.27?9.59)?0.281??32.37kN/m 下柱端弯矩:?38.36?(13.27?9.59)?0.184?89.17kN/m 左梁端弯矩:84.86?(13.27?9.59)?0.254??21.36kN/m 右梁端弯矩:?27.32?E节点:
37.8?12.6?50.4kN/m 37.8?12.6?50.4kN/m
上柱端弯矩:50.4?12.6?2?0.376?40.92kN/m 下柱端弯矩:50.4?12.6?2?0.376?40.92kN/m 右梁端弯矩:?75.6?12.6?2?0.248??81.84kN/m F节点:
-28.77?9.59?-38.36kN/m -28.77?9.59?-38.36kN/m
上柱端弯矩:?38.36?9.59?2?0.281??32.97kN/m 下柱端弯矩:?38.36?9.59?2?0.281??32.97kN/m 左梁端弯矩:84.86?9.59?2?0.184?88.39kN/m 右梁端弯矩:?27.32?9.59?2?0.254??22.45kN/m G节点:
37.8?12.6?50.4kN/m 37.8?13.61?51.41kN/m (12.6?13.61)?0.376?40.55kN/m 上柱端弯矩:50.4?(12.6?13.61)?0.376?41.59kN/m 下柱端弯矩:51.41?(12.6?13.61)?0.248?82.14kN/m 右梁端弯矩:?75.6?H节点:
-28.77?9.59?-38.36kN/m -28.77?10.2??38.79kN/m
上柱端弯矩:?38.36?(9.59?10.2)?0.281??32.8kN/m 下柱端弯矩:?38.79?(9.59?10.2)?0.281??33.23kN/m 左梁端弯矩:84.86?(9.59?10.2)?0.184?88.5kN/m 右梁端弯矩:?27.32?(9.59?10.2)?0.254??22.29kN/m I节点:
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山东建筑大学毕业设计说明书
40.82?12.6?53.42kN/m
上柱端弯矩:53.42?12.6?0.404?48.32kN/m 下柱端弯矩:33.33?12.6?0.33?29.18kN/m 右梁端弯矩:?74.15?12.6?0.266?77.5kN/m J节点:
-30.59?13.27??43.86kN/m
上柱端弯矩:?43.86?13.27?0.296??39.93kN/m 下柱端弯矩:?25.01?13.27?0.242??21.80kN/m 左梁端弯矩:84.61?13.27?0.268?87.18kN/m 右梁端弯矩:?29.01?13.27?0.268??25.45kN/m 综上得弯矩图如下:
图4.5恒载弯矩图
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山东建筑大学毕业设计说明书
4.2.2恒载梁端剪力计算
V?VGb?计算结果见表4.4:
MR?ML l表4.4
层号 CD ML MR 5 -62.96 -79.51 76.2 -75.2 73.69 -78.71 -33.87 -33.87 3.26 -3.26 3.26 -3.26 4 -83.77 -89.17 82.93 -82.93 82.11 -83.74 -21.36 -21.36 3.26 -3.26 3.26 -3.26 3 -81.84 -88.39 82.93 -82.93 81.93 -83.92 -22.45 -22.45 3.26 -3.26 3.26 -3.26 2 -82.14 -88.5 82.93 -82.93 82.02 -83.84 -22.29 -22.29 3.26 -3.26 3.26 -3.26 1 -77.50 -87.18 82.93 -82.93 81.46 -84.53 -25.45 -25.45 3.26 -3.26 3.26 -3.26 VGbL VGbL VL VR DE ML MR VGbL VGbL VL VR
4.2.3恒载柱剪力计算 见表4.5:
表4.5
层号 C/F Mt 5 62.96 4 39.04 25
3 40.92 2 41.59 1 29.18 山东建筑大学毕业设计说明书
Mb 44.73 40.92 20.5 32.37 32.97 16.75 40.55 20.89 32.97 32.8 16.86 48.32 23.05 33.23 39.93 18.76 16.67 8.65 21.8 12.51 6.47 V?(Mt?Mb)/h 27.61 D/E Mt Mb 45.64 35.44 V?(Mt?Mb)/h 20.79
图4.6恒载剪力图
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