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["柱下独立承台"]
["1.基本资料"]
[null,"承台类型：","四桩承台",null,"圆桩直径d=",700,"(mm)"]
[null,"桩列间距Sa=",2100,"(mm)","桩行间距Sb=",3000,"(mm)"]
[null,"承台边缘至桩","心距离Sc=",700,"(mm)"]
[null,"承台根部高度","    H=",1500,"端部高度h=",1500,"(mm)"]
[]
[null,"单桩竖向承载力","设计值R=",2500,"最小配筋率",{"v":0.0015,"d":"0.15%"}]
[]
[null,"混凝土强度等级","c30"]
[null,"                  fc=",14.3,null,null,",   f t=",1.43]
[null,"钢筋强度设计值","    fy=",310,"(N/mm*mm)"]
[null,"纵筋合力点至近","边距离Sa=",100,"(mm)"]
[]
[null,"柱子高度hc=",1600,"(mm)","柱子宽度bc=",700,"(mm)"]
[]
[null,"设计时置行的","规范    ：       "]
[null,"  《建筑桩基技","术规范》  (  ","JGJ94-94",")  以下简称","  桩基","规范       。"]
[null,"  《钢筋混凝土"," 承台设计规"," 程》    (","CECS  88:97 )",null,"以下简称"," 承台规程"]
[null,"  《混凝土结构","  设计规范 》"," "," (  JGJ10-89  )",null,"以下简称","  混凝土规程"]
[]
["2.承台受弯计算"]
[null,"(1).基桩竖向力","设计值       :"]
[null,"基桩竖向力设","计值  N=R=",2500,"<  KN  >"]
[]
[null,"(2)Y轴方向柱边","弯距设计值","<绕Y轴>"]
[null,"Myct=2*N*(Sa-","bc)/2     =",3500,"<  KN *M >"]
[]
[null,"(3)纵筋计算   ："]
[null,"As=M/(0.9*fy*","ho)      =",{"v":8960.573476702508,"d":"8961"},"mm*mm","配筋率",{"v":0.0013576626479852286,"d":"0.14%"}]
[null,"Asmin       =",9240,"mm*mm",null,"纵筋",9240,"mm*mm"]
[]
[null,"(4)X轴方向柱边","弯距设计值","<绕X轴>"]
[null,"Mxct=2*N*(Sb-","hc)/2     =",3500,"<  KN *M >"]
[]
[null,"(3)纵筋计算   ："]
[null,"As=M/(0.9*fy*","ho)      =",{"v":8960.573476702508,"d":"8961"},"mm*mm","配筋率",{"v":0.0017067759003242871,"d":"0.17%"}]
[null,"Asmin       =",7350,"mm*mm",null,"纵筋",{"v":8960.573476702508,"d":"8961"},"mm*mm"]
[]
["3.承台抗冲切验算"]
[null,"(1)柱冲切验算"]
[null,"作用于冲切破坏","锥体上的冲","切力设计","值               ："]
[null,"F1 =  4R  =",10000,"<KN>"]
[null,"柱冲切验算      :"]
[null,"圆桩换算为方桩","bp=0.8*d=",560,"mm"]
[null,"冲跨比(X向）","l1=","ay/h=",{"v":0.3,"d":"0.3000"}]
[null,"冲跨比(Y向）","l2=","ax/h=",{"v":0.3,"d":"0.3000"}]
[null,"冲切承载力系数","a1=","0.72/(","l+0.2 )=",1.44,"(X向）"]
[null,"冲切承载力系数","a2=","0.72/(","l+0.2 )=",1.44,"(Y向）"]
[null,"柱冲切验算      :","2[a1(","bx+ax)+","(ay+by)*","a2]*","ft*ho  =        ",18104.486399999998,"<KN>"]
[null,null,"( 承台规程","4.2.1.2 )",null,null,"柱冲切","满足"]
[]
[null,"(1)角桩冲切验算"]
[null,"作用于冲切破坏","锥体上的冲","切力设计","值               ："]
[null,"F1 =  R  =",2500,"<KN>"]
[null,"冲跨比(X向）","l1=","ay/h=",{"v":0.3,"d":"0.3000"}]
[null,"冲跨比(Y向）","l2=","ax/h=",{"v":0.3,"d":"0.3000"}]
[null,"冲切承载力系数","a1=","0.48/(","l+0.2 )=",0.96]
[null,"冲切承载力系数","a2=","0.48/(","l+0.2 )=",0.96,"( 承台规程","4.27-1  )"]
[null,"角桩冲切验算","[ a1*(","bx+ax/2)+","(by+ay/2)   *","   a2]*","ft*ho   =",4574.169599999999]
[null,null,"( 承台规程","4.2.5 )",{"$nulls":3},"角桩冲切","满足"]
[]
["4.承台剪切验算"]
[null,"斜截面受剪验算","<Y方向>"]
[null,"冲切力设计值","V=2R=",5000,"KN"]
[null,"剪跨比(X向）","l1=","ax/h=",{"v":0.3,"d":"0.3000"}]
[null,"剪跨比(Y向）","l2=","ay/h=",{"v":0.3,"d":"0.3000"}]
[null,"剪切系数(X向)","b1=",0.2]
[null,"剪切系数(Y向)","b2=",0.2]
[null,"斜截面受剪验算"," b1*","fc*bo*ho",{"v":14014.000000000002,"d":"14014.0000"},"<KN>",null,"承台剪切","满足"]
[null,"斜截面受剪验算"," b2*","fc*bo*ho",{"v":17617.600000000002,"d":"17617.6000"},"<KN>",null,"承台剪切","满足"]
[null,null,"  (桩基规范","5.6.8-1)"]
[]
["5.承台局压验算"]
[null,"局部压力Fl=4R=",10000,"<KN>"]
[null,"局压面积   Al=","hc*bc=",1120000,"<mm*mm>"]
[null,"局压计算面积","Ab=(hc+c)*(","bc+c)=",6300000,"<mm*mm>"]
[null,"承台局压验算","0.95*b*","fc*Al =",36086.015291245436,"<KN>","( 承台规程","4.4-2  )"]
[{"$nulls":7},"承台局压","满足"]