发布于:2010-06-29 15:35:29
来自:建筑结构/PKPM
[复制转发]
请教大家,PKPM计算输出文本中出现了薄弱层,显示如下:
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各层刚心、偏心率、相邻层侧移刚度比等计算信息
Floor No : 层号
Tower No : 塔号
Xstif,Ystif : 刚心的 X,Y 坐标值
Alf : 层刚性主轴的方向
Xmass,Ymass : 质心的 X,Y 坐标值
Gmass : 总质量
Eex,Eey : X,Y 方向的偏心率
Ratx,Raty : X,Y 方向本层塔侧移刚度与下一层相应塔侧移刚度的比值
Ratx1,Raty1 : X,Y 方向本层塔侧移刚度与上一层相应塔侧移刚度70%的比值
或上三层平均侧移刚度80%的比值中之较小者
RJX,RJY,RJZ: 结构总体坐标系中塔的侧移刚度和扭转刚度
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Floor No. 1 Tower No. 1
Xstif= 18.0000(m) Ystif= 9.3333(m) Alf = 45.0000(Degree)
Xmass= 18.1633(m) Ymass= 9.4240(m) Gmass= 1075.7103(t)
Eex = 0.0113 Eey = 0.0063
Ratx = 1.0000 Raty = 1.0000
Ratx1= 0.8063 Raty1= 0.8533 薄弱层地震剪力放大系数= 1.15
RJX = 3.6799E+05(kN/m) RJY = 3.7201E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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Floor No. 2 Tower No. 1
Xstif= 18.0000(m) Ystif= 9.3333(m) Alf = 45.0000(Degree)
Xmass= 18.4042(m) Ymass= 9.3364(m) Gmass= 1033.5332(t)
Eex = 0.0281 Eey = 0.0002
Ratx = 1.6117 Raty = 1.5777
Ratx1= 1.3388 Raty1= 1.4193 薄弱层地震剪力放大系数= 1.00
RJX = 5.9309E+05(kN/m) RJY = 5.8691E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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Floor No. 3 Tower No. 1
Xstif= 18.0000(m) Ystif= 9.3333(m) Alf = 45.0000(Degree)
Xmass= 18.4066(m) Ymass= 9.2850(m) Gmass= 1027.4851(t)
Eex = 0.0283 Eey = 0.0034
Ratx = 0.9704 Raty = 0.9285
Ratx1= 1.3252 Raty1= 1.3546 薄弱层地震剪力放大系数= 1.00
RJX = 5.7554E+05(kN/m) RJY = 5.4497E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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Floor No. 4 Tower No. 1
Xstif= 18.0000(m) Ystif= 9.3333(m) Alf = 45.0000(Degree)
Xmass= 18.0009(m) Ymass= 9.5887(m) Gmass= 890.3919(t)
Eex = 0.0001 Eey = 0.0178
Ratx = 0.9432 Raty = 0.9228
Ratx1= 1.2500 Raty1= 1.2500 薄弱层地震剪力放大系数= 1.00
RJX = 5.4288E+05(kN/m) RJY = 5.0289E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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抗倾覆验算结果
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抗倾覆弯矩Mr 倾覆弯矩Mov 比值Mr/Mov 零应力区(%)
X风荷载 689026.1 2777.7 248.06 0.00
Y风荷载 372985.2 5076.6 73.47 0.00
X 地 震 689026.1 12338.6 55.84 0.00
Y 地 震 372985.2 12172.3 30.64 0.00
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结构整体稳定验算结果
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层号 X向刚度 Y向刚度 层高 上部重量 X刚重比 Y刚重比
1 0.368E+06 0.372E+06 5.20 37963. 50.41 50.96
2 0.593E+06 0.587E+06 3.60 27895. 76.54 75.74
3 0.576E+06 0.545E+06 3.60 18264. 113.44 107.42
4 0.543E+06 0.503E+06 3.60 8685. 225.02 208.45
该结构刚重比Di*Hi/Gi大于10,能够通过高规(5.4.4)的整体稳定验算
该结构刚重比Di*Hi/Gi大于20,可以不考虑重力二阶效应
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* 楼层抗剪承载力、及承载力比值 *
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Ratio_Bu: 表示本层与上一层的承载力之比
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层号 塔号 X向承载力 Y向承载力 Ratio_Bu:X,Y
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4 1 0.3987E+04 0.4110E+04 1.00 1.00
3 1 0.5473E+04 0.5755E+04 1.37 1.40
2 1 0.6710E+04 0.7056E+04 1.23 1.23
1 1 0.5021E+04 0.5135E+04 0.75 0.73
请问我还需要在satwe参数里指定薄弱层吗?此外,在WZQ.OUT文件中,我发现没有了“抗震规范(5.2.5)条要求的X向楼层最小剪重比 = 1.60%”和“抗震规范(5.2.5)条要求的Y向楼层最小剪重比 = 1.60%”这两句话,我之前从没碰到过,希望大家能帮我解决这个问题,谢谢~~
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