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["设计类型：As，As'未知"]
["已知条件：","输入数据区："]
["混凝土抗压强度设计值fc(N/mm2)：",9.6]
["受拉钢筋强度设计值fy(N/mm2)：",300]
["受压钢筋强度设计值fy'(N/mm2)：",300]
["截面宽度(mm)：",300]
["截面高度(mm)：",400]
["受压柱计算长度L0(m):",2.4]
["轴向压力设计值N(KN)：",200]
["弯矩设计值M(KN.m)：",300]
["界限相对受压区高度ξb：",0.55]
["受拉钢筋合力作用点到边缘的距离a(mm):",35]
["受压钢筋合力作用点到边缘的距离a'(mm):",35]
[]
["设计步骤："]
["(1):判别大小偏心："]
["设计偏心距e0(mm):",1500]
["附加偏心距ea(mm):",20]
["初始偏心距ei",1520]
["偏心受压构件截面曲率修正系数ζ1：",{"v":1,"d":"1.0"}]
["偏心受压构件长细比影响系数ζ2：",{"v":1,"d":"1.0"}]
["偏心距增大系数η:",{"v":1.006174812030075,"d":"1.006"}]
["偏心距η.ei:",{"v":1529.3857142857141,"d":"1529.39"}]
["0.3h0",109.5]
["结论：","偏心距ηei>=0.3ho,先按大偏心设计",""]
[]
["(2):假定ξ=ξb",0.55]
["(3):计算受压钢筋面积As':"]
["轴向力N到受拉钢筋合力作用点的距离e(mm)：",{"v":1694.3857142857141,"d":"1694.39"}]
["受压钢筋面积As':",{"v":1877.5914430014423,"d":"1877.59"}]
["(4):验证As'是否满足最小配筋率："]
["As'最小配筋面积(mm2)：",240]
["结论：","满足最小配筋率",""]
["(5):计算受压钢筋面积As:",{"v":3138.1247763347756,"d":"3138.12"}]
["(6):验证As是否满足最小配筋率："]
["As最小配筋面积(mm2)：",219]
["结论：","满足最小配筋率"]
["As'+As最小配筋面积(mm2)：",720]
["结论：","满足最小配筋率"]
["(7):垂直于弯矩作用平面的轴心受压承载力验算："]
[null,8]
["输入稳定系数ψ：",{"v":1,"d":"1.0"}]
["垂直于弯矩作用平面的轴心受压承载力Nu(KN)：",{"v":2347.707591085714,"d":"2347.71"}]
["结论：","满足垂直于弯矩作用平面的轴心受压承载力"]

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