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["螺旋箍筋柱承载力计算"]
["Pi＝",3.14159265,null,"Pi=3.14159265"]
["fc＝",15,"(N/mm2)","fc"]
["fy'＝",245,"(N/mm2)","fy'"]
["φ＝",{"v":1,"d":"1.000"},null,"φ"]
["l0＝",{"v":3.2,"d":"3.200"},"(m)","l0"]
["d＝",400,"(mm)","d"]
["a＝",25,"(mm)","a"]
["dst＝",22,"(mm)","dst"]
["n＝",8,null,"n"]
["dss1＝",8,"(mm)","dss1"]
["s＝",50,"(mm)","s"]
["As＝",{"v":3041.0616852000003,"d":"3041"},"(mm2)","As=n*Pi*dst^2/4"]
["dcor＝",350,"(mm)","dcor=d-2*a"]
["Ass1＝",{"v":50.2654824,"d":"50.27"},"(mm2)","Ass1=Pi*dss1^2/4"]
["Ass0＝",{"v":1105.3956903958106,"d":"1105.40"},"(mm2)","Ass0=Pi*dcor*Ass1/s"]
["Acor＝",{"v":96211.27490625001,"d":"96211.27"},"(mm2)","Acor=Pi*dcor^2/4"]
["Ncu＝",{"v":2729873.1247616974,"d":"2.730E+06"},"(N/mm2)","Ncu=φ*(fc*Acor+fy'*As'+2*fy*Ass0)"]