[求助]：结构标准层中为何相邻层侧移刚度相差很大?

小天使

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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= 37.1896(m) Ystif= -8.1252(m) Alf = 0.0000(Degree)
  Xmass= 37.0824(m) Ymass= 6.6894(m) Gmass= 1076.3669(t)
  Eex = 0.0161 Eey = 0.9284
  Ratx = 1.0000 Raty = 1.0000
  Ratx1= 1.6237 Raty1= 1.9347 薄弱层地震剪力放大系数= 1.00
  RJX = 7.2818E+05(kN/m) RJY = 1.1937E+06(kN/m) RJZ = 0.0000E+00(kN/m)
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  Floor No. 2 Tower No. 1
  Xstif= 37.1869(m) Ystif= -6.2493(m) Alf = 0.0000(Degree)
  Xmass= 37.1118(m) Ymass= 7.5737(m) Gmass= 1381.5640(t)
  Eex = 0.0073 Eey = 0.8347
  Ratx = 0.8798 Raty = 0.7384
  Ratx1= 1.6419 Raty1= 1.6066 薄弱层地震剪力放大系数= 1.00
  RJX = 6.4068E+05(kN/m) RJY = 8.8145E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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  Floor No. 3 Tower No. 1
  Xstif= 37.1712(m) Ystif= 16.4437(m) Alf = 0.0000(Degree)
  Xmass= 37.1900(m) Ymass= 16.5203(m) Gmass= 434.1860(t)
  Eex = 0.0017 Eey = 0.0096
  Ratx = 0.8701 Raty = 0.8892
  Ratx1= 2.4123 Raty1= 2.5819 薄弱层地震剪力放大系数= 1.00
  RJX = 5.5746E+05(kN/m) RJY = 7.8376E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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  Floor No. 4 Tower No. 1
  Xstif= 37.0942(m) Ystif= 15.9606(m) Alf = 0.0000(Degree)
  Xmass= 37.2049(m) Ymass= 16.3901(m) Gmass= 422.6924(t)
  Eex = 0.0103 Eey = 0.0531
  Ratx = 0.5922 Raty = 0.5533
  Ratx1= 1.6238 Raty1= 1.6602 薄弱层地震剪力放大系数= 1.00
  RJX = 3.3013E+05(kN/m) RJY = 4.3366E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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  Floor No. 5 Tower No. 1
  Xstif= 37.0942(m) Ystif= 15.9606(m) Alf = 0.0000(Degree)
  Xmass= 37.2049(m) Ymass= 16.3901(m) Gmass= 422.6924(t)
  Eex = 0.0103 Eey = 0.0531
  Ratx = 0.8456 Raty = 0.8209
  Ratx1= 1.5528 Raty1= 1.5436 薄弱层地震剪力放大系数= 1.00
  RJX = 2.7914E+05(kN/m) RJY = 3.5598E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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  Floor No. 6 Tower No. 1
  Xstif= 37.0942(m) Ystif= 15.9606(m) Alf = 0.0000(Degree)
  Xmass= 37.2049(m) Ymass= 16.3901(m) Gmass= 422.6924(t)
  Eex = 0.0103 Eey = 0.0531
  Ratx = 0.9200 Raty = 0.9255
  Ratx1= 1.6200 Raty1= 1.6001 薄弱层地震剪力放大系数= 1.00
  RJX = 2.5681E+05(kN/m) RJY = 3.2945E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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  Floor No. 7 Tower No. 1
  Xstif= 37.0942(m) Ystif= 15.9606(m) Alf = 0.0000(Degree)
  Xmass= 37.2049(m) Ymass= 16.3901(m) Gmass= 422.6924(t)
  Eex = 0.0103 Eey = 0.0531
  Ratx = 0.8818 Raty = 0.8928
  Ratx1= 2.2021 Raty1= 2.2133 薄弱层地震剪力放大系数= 1.00
  RJX = 2.2647E+05(kN/m) RJY = 2.9413E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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  Floor No. 8 Tower No. 1
  Xstif= 36.8833(m) Ystif= 16.0687(m) Alf = -0.6432(Degree)
  Xmass= 37.1558(m) Ymass= 16.1556(m) Gmass= 322.9162(t)
  Eex = 0.0251 Eey = 0.0108
  Ratx = 0.6487 Raty = 0.6454
  Ratx1= 14.2275 Raty1= 12.1414 薄弱层地震剪力放大系数= 1.00
  RJX = 1.4692E+05(kN/m) RJY = 1.8984E+05(kN/m) RJZ = 0.0000E+00(kN/m)
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  Floor No. 9 Tower No. 1
  Xstif= 37.1830(m) Ystif= 14.2177(m) Alf = 0.0000(Degree)
  Xmass= 37.1830(m) Ymass= 13.4378(m) Gmass= 14.4327(t)
  Eex = 0.0000 Eey = 0.4396
  Ratx = 0.0879 Raty = 0.1030
  Ratx1= 1.2500 Raty1= 1.2500 薄弱层地震剪力放大系数= 1.00
  RJX = 1.2908E+04(kN/m) RJY = 1.9545E+04(kN/m) RJZ = 0.0000E+00(kN/m)
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高位转换时转换层上部与下部结构的等效侧向刚度比
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               转换层所在层号= 2
转换层下部结构起止层号及高度= 1 2 9.50
转换层上部结构起止层号及高度= 3 5 9.00
X方向下部刚度= 0.3408E+06 X方向上部刚度= 0.1190E+06 X方向刚度比= 0.3307
Y方向下部刚度= 0.5070E+06 Y方向上部刚度= 0.1565E+06 Y方向刚度比= 0.2924

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结构整体稳定验算结果
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X向刚重比 EJd/GH**2= 8.77
Y向刚重比 EJd/GH**2= 14.16
该结构刚重比EJd/GH**2大于1.4,能够通过高规(5.4.4)的整体稳定验算
该结构刚重比EJd/GH**2大于2.7,可以不考虑重力二阶效应
              周期、地震力与振型输出文件
                    (侧刚分析方法)
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    考虑扭转耦联时的振动周期(秒)、X,Y 方向的平动系数、扭转系数

    振型号 周 期 转 角 平动系数 (X+Y) 扭转系数
      1 1.1621 179.90 0.96 ( 0.96+0.00 ) 0.04
      2 0.9587 89.74 1.00 ( 0.00+1.00 ) 0.00
      3 0.7287 178.40 0.08 ( 0.08+0.00 ) 0.92
      4 0.4471 179.52 0.77 ( 0.77+0.00 ) 0.23
      5 0.3627 89.63 1.00 ( 0.00+1.00 ) 0.00
      6 0.2388 1.19 0.85 ( 0.85+0.00 ) 0.15
      7 0.2060 94.76 0.95 ( 0.01+0.95 ) 0.05
      8 0.1967 35.10 0.15 ( 0.10+0.05 ) 0.85
      9 0.1602 0.04 0.98 ( 0.98+0.00 ) 0.02
     10 0.1254 0.20 0.89 ( 0.89+0.00 ) 0.11
     11 0.1147 107.68 0.30 ( 0.07+0.22 ) 0.70
     12 0.1136 88.69 0.75 ( 0.00+0.75 ) 0.25
     13 0.1111 5.88 0.40 ( 0.37+0.03 ) 0.60
     14 0.1032 0.51 0.53 ( 0.53+0.00 ) 0.47
     15 0.0920 88.64 0.96 ( 0.01+0.96 ) 0.04

   地震作用最大的方向 = 89.385 (度)

         
        本工程为框架剪力墙结构,一二层为商场(二层为转换层),三至八为住宅(三至八层为异形柱剪力墙结构).
       请问各位大侠:
            1.三至八可以说为结构标准层,为何三四的侧移刚度相差很大?
            2.第三振型扭转系数太大了,怎么凋整模型?
        在下小天使先谢过

hhjj9898

第三周期本来就是扭转周期，根本不许要调

小天使

可扭转系数0.92也太大了吧,还是应该调整的.
希望各位大侠们指点迷经!

bai_pppp

以扭转为主的振型式结构自身固有的，不可避免。