山东建筑大学毕业设计说明书
29.61上柱下柱0.2830.236右梁0.481-57.8631.06左梁上柱下柱右梁0.3720.2730.2270.12857.86-1.1539.32左梁上柱下柱右梁0.3720.2730.2270.1281.15-25.7423.55左梁上柱下柱0.4810.2830.23625.747.996.6713.596.80-12.5-9.17-7.63-4.3-2.1514.2610.468.700.210.420.314.9-1.122.45-2.23-1.31-1.10.250.14-0.040.018.000.016.680.02-44.29-0.08-0.05-0.05-0.0352.08-9.12-7.68-5.27一 层13.6810.778.95-21.8225.96-1.31-1.1
3.7.2 竖向活载作用下内力计算
活载计算采用满布荷载法,其内力计算过程同恒载计算。 a、 顶层
MAB?-?lq?a?a?l?a?l220da?4.69kN/m
力矩分配
柱0.3522.81梁0.648-4.690.661.22-0.810.290.52-0.090.030.061212121212梁0.6484.690.61-1.610.26-0.170.03-0.022.81柱0.352-0.88-0.09-0.010.98-3.75顶层3.75-0.98
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山东建筑大学毕业设计说明书
b、四层 MAB??112?2.99?6.62??10.85kN/m
上柱3.96下柱右梁0.2560.2750.469-10.851.761.893.23-1.610.410.440.76-0.090.041212121212左梁下柱5.76右梁0.4810.35310.851.62-3.23-2.370.38-0.18-0.130.02-0.01-0.01-0.06-0.0111-1.1110.1660左梁1.110.060.010.020.032.22.36-8.529.44四 层-2.51-1.181.18
c、二、三层
MAB??112?6.6?6.62??23.96kN/m
上柱4.75下柱右梁0.460.270.27-23.965.195.198.84-3.821.031.031.760.160.040.040.071212121212左梁上柱6.91下柱右梁0.3560.2610.2610.12223.964.42-7.64-5.60-5.60-2.620.88-0.31-0.230.04-0.01-0.01-0.01-0.01-5.84-2.73-10.012.73-0.23-0.11-10.11-12.626.266.26-17.2721.32二、三层-5.84
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山东建筑大学毕业设计说明书
d、底层
MAB??112?6.6?6.62??23.96kN/m
上柱4.75下柱右梁0.2830.2360.418-23.965.454.539.24-4.031.140.951.94-0.180.050.040.09左梁上柱6.91下柱右梁0.3720.2730.2270.12823.964.62-8.06-5.92-4.92-2.770.97-0.36-0.260.04-0.01-0.01-0.01-0.01-5.15-2.910.01-0.22-0.130.132.776.635.53-16.9121.15-6.91底 层2.91
·3.7.3 风载作用下内力计算
风荷载设计值=风荷载标准值×1.4,用D值法列表计算, 梁柱的线平均刚度比 1)底层
k??kb/?kc ??0.5?k2?k
k2?k2)标准层:k??kb/2?kc ??
Djk??c
12ichj2
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山东建筑大学毕业设计说明书
表3.2 修正后的反弯点高度表
Vjk?DmjkVjk?k?1D(Djk:第j层第k柱的侧向刚度)
表3.3 风载作用下各柱的剪力
K边5 2.75 0.58 3.52 4 1.70 0.46 3.49 3 1.70 0.46 3.49 2 1.70 0.46 3.49 1 2.04 1.27 4.51 ?边 D边(相对值) V边(KN) K中2.68 - - - 4.09 1.81 0.64 4.55 5.33 6.73 1.81 0.48 4.55 8.77 9.37 1.81 0.48 4.55 12.21 12.03 2.2 1.35 5.99 15.98 ?中 D中(相对值) V中(KN) - 为了求出柱端的弯矩,还要确定反弯点的高度,有公式:yh?(y0?y1?y2?y3)h 把风荷载看做均布荷载,查表可得y0。计算过程见表3.4.
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