高层和多层一起计算(分塔楼)时的计算结果有问题
changkongwuxian
2008年09月23日 17:54:27
只看楼主

主楼是一幢24层框架-核心筒房子,旁边有5层的商业建筑,地下室连在一起的。pkpm计算时就从1层开始分塔。=========================================================================== 各楼层的单位面积质量分布(单位:kg/m**2)===========================================================================

主楼是一幢24层框架-核心筒房子,旁边有5层的商业建筑,地下室连在一起的。pkpm计算时就从1层开始分塔。
===========================================================================
各楼层的单位面积质量分布(单位:kg/m**2)
===========================================================================

层号 塔号 单位面积质量 g 质量比 max(g/g[i-1],g/g[i+1])
1 1 4012.49 2.15
2 1 1866.14 1.18
3 1 1907.62 1.09
2 1576.97 0.98
4 1 1743.96 1.01
2 1611.43 1.09
5 1 1732.91 1.00
2 1472.02 1.03
6 1 1739.63 1.00
2 1427.55 0.97
7 1 1980.98 1.19
2 2015.24 2015239.13 ★★★★★★★
8 1 1664.14 1.01
9 1 1642.98 1.00
10 1 1642.98 1.00
11 1 1642.91 1.08
12 1 1521.92 1.00
13 1 1521.92 1.00
14 1 1521.92 1.00
15 1 1521.92 1.00
16 1 1521.92 1.02
17 1 1497.11 1.00
18 1 1497.11 1.00
19 1 1497.11 1.00
20 1 1497.11 1.00
21 1 1497.11 1.00
22 1 1497.11 1.00
23 1 1497.11 1.00
24 1 1497.11 1.04
25 1 1445.97 0.97
26 1 1585.70 1.10
27 1 1743.36 1.10
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changkongwuxian
2008年09月23日 17:55:10
2楼
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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
===========================================================================
Floor No. 1 Tower No. 1
Xstif= 41.9204(m) Ystif= 19.8343(m) Alf = -0.2899(Degree)
Xmass= 50.2814(m) Ymass= 20.6734(m) Gmass= 22701.7363(t)
Eex = 0.1676 Eey = 0.0141
Ratx = 1.0000 Raty = 1.0000
Ratx1= 6.8712 Raty1= 6.3161 薄弱层地震剪力放大系数= 1.00
RJX = 1.1073E+09(kN/m) RJY = 8.8045E+08(kN/m) RJZ = 0.0000E+00(kN/m)
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Floor No. 2 Tower No. 1
Xstif= 25.7750(m) Ystif= 20.0928(m) Alf = 42.0120(Degree)
Xmass= 35.2799(m) Ymass= 20.6258(m) Gmass= 5259.1704(t)
Eex = 0.4372 Eey = 0.0246
Ratx = 0.2079 Raty = 0.2262
Ratx1= 79.5645 Raty1= 70.0437 薄弱层地震剪力放大系数= 1.00
RJX = 2.3021E+08(kN/m) RJY = 1.9914E+08(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 3 Tower No. 1
Xstif= 21.7066(m) Ystif= 20.1953(m) Alf = -36.2392(Degree)
Xmass= 19.1664(m) Ymass= 16.6851(m) Gmass= 2791.2549(t)
Eex = 0.1501 Eey = 0.2017
Ratx = 0.0180 Raty = 0.0204
Ratx1= 1.7715 Raty1= 1.7703 薄弱层地震剪力放大系数= 1.00
RJX = 4.1334E+06(kN/m) RJY = 4.0615E+06(kN/m) RJZ = 0.0000E+00(kN/m)
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Floor No. 3 Tower No. 2
Xstif= 62.4000(m) Ystif= 28.5500(m) Alf = 45.0000(Degree)
Xmass= 63.1442(m) Ymass= 27.9852(m) Gmass= 1693.5164(t)
Eex = 0.0443 Eey = 0.0336
Ratx = 0.0016 Raty = 0.0018
Ratx1= 1.0353 Raty1= 1.0802 薄弱层地震剪力放大系数= 1.00
RJX = 3.7007E+05(kN/m) RJY = 3.5586E+05(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 4 Tower No. 1
Xstif= 21.3759(m) Ystif= 20.2208(m) Alf = -33.6225(Degree)
Xmass= 18.6818(m) Ymass= 17.2524(m) Gmass= 2877.0896(t)
Eex = 0.1559 Eey = 0.1677
Ratx = 0.8064 Raty = 0.8070
Ratx1= 1.7184 Raty1= 1.7274 薄弱层地震剪力放大系数= 1.00
RJX = 3.3332E+06(kN/m) RJY = 3.2775E+06(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 4 Tower No. 2
Xstif= 62.4000(m) Ystif= 28.5500(m) Alf = 45.0000(Degree)
Xmass= 62.8959(m) Ymass= 28.5636(m) Gmass= 1758.3383(t)
Eex = 0.0296 Eey = 0.0008
Ratx = 1.1956 Raty = 1.1635
Ratx1= 1.4019 Raty1= 1.4284 薄弱层地震剪力放大系数= 1.00
RJX = 4.4244E+05(kN/m) RJY = 4.1406E+05(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 5 Tower No. 1
Xstif= 20.0670(m) Ystif= 20.0578(m) Alf = 41.5238(Degree)
Xmass= 19.1844(m) Ymass= 17.4225(m) Gmass= 2918.8389(t)
Eex = 0.0490 Eey = 0.1472
Ratx = 0.8313 Raty = 0.8270
Ratx1= 1.5991 Raty1= 1.5931 薄弱层地震剪力放大系数= 1.00
RJX = 2.7711E+06(kN/m) RJY = 2.7105E+06(kN/m) RJZ = 0.0000E+00(kN/m)
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Floor No. 5 Tower No. 2
Xstif= 62.4000(m) Ystif= 28.5500(m) Alf = 45.0000(Degree)
Xmass= 63.4141(m) Ymass= 28.7749(m) Gmass= 1591.8530(t)
Eex = 0.0604 Eey = 0.0134
Ratx = 1.0190 Raty = 1.0001
Ratx1= 0.5626 Raty1= 0.5408 薄弱层地震剪力放大系数= 1.15
RJX = 4.5085E+05(kN/m) RJY = 4.1411E+05(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 6 Tower No. 1
Xstif= 19.7925(m) Ystif= 19.2770(m) Alf = 30.3831(Degree)
Xmass= 18.7597(m) Ymass= 17.0629(m) Gmass= 2944.4150(t)
Eex = 0.0573 Eey = 0.1267
Ratx = 0.8671 Raty = 0.8702
Ratx1= 1.4241 Raty1= 1.4229 薄弱层地震剪力放大系数= 1.00
RJX = 2.4028E+06(kN/m) RJY = 2.3587E+06(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 6 Tower No. 2
Xstif= 62.4000(m) Ystif= 28.5500(m) Alf = 45.0000(Degree)
Xmass= 62.6795(m) Ymass= 29.0284(m) Gmass= 1645.9937(t)
Eex = 0.0167 Eey = 0.0285
Ratx = 0.9919 Raty = 0.9835
Ratx1= 0.3502 Raty1= 0.3278 薄弱层地震剪力放大系数= 1.15
RJX = 4.4721E+05(kN/m) RJY = 4.0725E+05(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 7 Tower No. 1
Xstif= 19.1727(m) Ystif= 19.2208(m) Alf = 29.8746(Degree)
Xmass= 22.6733(m) Ymass= 17.8111(m) Gmass= 2597.7241(t)
Eex = 0.1923 Eey = 0.0814
Ratx = 0.7233 Raty = 0.7250
Ratx1= 1.1699 Raty1= 1.2706 薄弱层地震剪力放大系数= 1.15
RJX = 1.7380E+06(kN/m) RJY = 1.7100E+06(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 7 Tower No. 2
Xstif= 73.5466(m) Ystif= 25.8275(m) Alf = -45.0000(Degree)
Xmass= 75.6610(m) Ymass= 26.0657(m) Gmass= 182.1569(t)
Eex = 0.1372 Eey = 0.0155
Ratx = 0.4472 Raty = 0.3747
Ratx1= 0.1116 Raty1= 0.0866 薄弱层地震剪力放大系数= 1.15
RJX = 2.0001E+05(kN/m) RJY = 1.5258E+05(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 8 Tower No. 1
Xstif= 18.8521(m) Ystif= 20.2272(m) Alf = 29.0518(Degree)
Xmass= 22.9134(m) Ymass= 18.3058(m) Gmass= 2306.5847(t)
Eex = 0.2156 Eey = 0.1056
Ratx = 1.3565 Raty = 1.3518
Ratx1= 1.3802 Raty1= 1.3727 薄弱层地震剪力放大系数= 1.00
RJX = 2.3577E+06(kN/m) RJY = 2.3116E+06(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------
Floor No. 9 Tower No. 1
Xstif= 18.2946(m) Ystif= 20.7110(m) Alf = 24.8422(Degree)
Xmass= 22.8820(m) Ymass= 18.3419(m) Gmass= 2289.9441(t)
Eex = 0.2383 Eey = 0.1277
Ratx = 0.9464 Raty = 0.9493
Ratx1= 1.3616 Raty1= 1.3552 薄弱层地震剪力放大系数= 1.00
RJX = 2.2314E+06(kN/m) RJY = 2.1944E+06(kN/m) RJZ = 0.0000E+00(kN/m)
---------------------------------------------------------------------------以上楼层省略……


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(1)上面打星号好像有问题,可按照pkpm的计算结果就是这样,重新建了小框架试算也是这种情况,可以不管?
(2)Ratx1结果不对,会有Ratx1= 0.1116 这种情况,而多层结构每层差不多的,为了证明,复制一个目录,删去高层部分重算,Ratx1都大于1。
(3)位移计算结果, 多层塔楼的顶层Ratio_AX是一串星号,???
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lt77887788
2008年10月05日 10:21:42
3楼
用0.00楼板做嵌固端,几幢塔楼分别建模计算
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luhl1977
2008年10月06日 21:19:53
4楼
应该是建模的问题,2个塔楼分别建模计算试试。
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