剪力墙结构，地下室3层，嵌固端取的负三层（pkpm参数里嵌固端层号 1），pkpm输出的信息如下：
=========================================================================== 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(剪切刚度)
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
Ratx2，Raty2 : X，Y 方向本层塔侧移刚度与上一层相应塔侧移刚度90%、110%或者150%比值
110%指当本层层高大于相邻上层层高1.5倍时，150%指嵌固层
RJX1，RJY1，RJZ1: 结构总体坐标系中塔的侧移刚度和扭转刚度(剪切刚度)
RJX3，RJY3，RJZ3: 结构总体坐标系中塔的侧移刚度和扭转刚度(地震剪力与地震层间位移的比)
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Floor No. 1 Tower No. 1
Xstif= -0.1385(m) Ystif= 1.7130(m) Alf = 0.0000(Degree)
Xmass= -0.2282(m) Ymass= 0.9662(m) Gmass(活荷折减)= 2809.3232( 2606.4841)(t)
Eex = 0.0037 Eey = 0.0318
Ratx = 1.0000 Raty = 1.0000
Ratx1= 37.8589 Raty1= 33.5073
Ratx2= 18.2196 Raty2= 16.1254
薄弱层地震剪力放大系数= 1.00
RJX1 = 1.3645E+08(kN/m) RJY1 = 1.4586E+08(kN/m) RJZ1 = 0.0000E+00(kN/m)
RJX3 = 8.5275E+07(kN/m) RJY3 = 1.7115E+08(kN/m) RJZ3 = 0.0000E+00(kN/m)
RJX3/H = 1.7227E+07(kN/m) RJY3/H = 3.4576E+07(kN/m) RJZ3/H = 0.0000E+00(kN/m)
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Floor No. 2 Tower No. 1
Xstif= -0.1334(m) Ystif= 1.6163(m) Alf = -0.0068(Degree)
Xmass= -0.1387(m) Ymass= 0.7359(m) Gmass(活荷折减)= 2640.0747( 2432.9583)(t)
Eex = 0.0002 Eey = 0.0413
Ratx = 0.4659 Raty = 0.7712
Ratx1= 1.9699 Raty1= 2.4618
Ratx2= 2.0020 Raty2= 2.1657
薄弱层地震剪力放大系数= 1.00
RJX1 = 6.3576E+07(kN/m) RJY1 = 1.1248E+08(kN/m) RJZ1 = 0.0000E+00(kN/m)
RJX3 = 3.2178E+06(kN/m) RJY3 = 7.2969E+06(kN/m) RJZ3 = 0.0000E+00(kN/m)
RJX3/H = 6.7037E+05(kN/m) RJY3/H = 1.5202E+06(kN/m) RJZ3/H = 0.0000E+00(kN/m)
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Floor No. 3 Tower No. 1
Xstif= -0.0990(m) Ystif= 2.1259(m) Alf = 0.0000(Degree)
Xmass= -0.1192(m) Ymass= 0.8354(m) Gmass(活荷折减)= 2798.2129( 2678.4155)(t)
Eex = 0.0006 Eey = 0.0613
Ratx = 0.7819 Raty = 0.7788
Ratx1= 0.7609 Raty1= 0.9374
Ratx2= 1.0880 Raty2= 1.2651
薄弱层地震剪力放大系数= 1.25
RJX1 = 4.9708E+07(kN/m) RJY1 = 8.7598E+07(kN/m) RJZ1 = 0.0000E+00(kN/m)
RJX3 = 1.3939E+06(kN/m) RJY3 = 2.9219E+06(kN/m) RJZ3 = 0.0000E+00(kN/m)
RJX3/H = 2.2664E+05(kN/m) RJY3/H = 4.7510E+05(kN/m) RJZ3/H = 0.0000E+00(kN/m)
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Ratx2,Raty2 >1（满足） 薄弱层地震剪力放大系数为何放大 1.25？？