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["柱下独立承台"]
["1.基本资料"]
[null,"承台类型：","三桩承台",null,"圆桩直径d=",700,"(mm)"]
[null,"桩列间距Sa=",1050,"(mm)","桩行间距Sb=",1820,"(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=",500,"(mm)","柱子宽度bc=",500,"(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=N*(Sa-","bc/2)   =",2000,"<  KN *M >"]
[]
[null,"(3)纵筋计算   ：","<绕Y轴>"]
[null,"Asy=M/(0.9*fy*","ho)      =",{"v":5120.327700972863,"d":"5120"},"mm*mm"]
[]
[]
[null,"(4)X轴方向柱边","弯距设计值","<绕X轴>"]
[null,"Mxct=N*(2*Sb/","3-hc/2)   =",2408.333333333333,"<  KN *M >"]
[]
[null,"(5)纵筋计算   ：","<绕X轴>"]
[null,"Asx=M/(0.9*fy*","ho)      =",{"v":6165.727939921488,"d":"6166"},"mm*mm"]
[]
[]
[null,"(6)纵筋计算   ：","<实配>"]
[null,"底边纵筋Asd=","Asy-Asx/2/tg","a =",{"v":3341.7523336878185,"d":"3342"},"mm*mm"]
[null,"单腰纵筋Asi=","Asx/2/sin","a =",{"v":3559.12638078437,"d":"3559"},"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 =  3R  =",7500,"<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=","ax/h=",{"v":0.37142857142857144,"d":"0.3714"}]
[null,"冲跨比(Y向）","l2=","ay1/h=",{"v":0.488095238095238,"d":"0.4881"}]
[null,"冲跨比(Y向）","l3=","ay2/h=",{"v":0.2,"d":"0.2000"}]
[null,"冲切承载力系数","a1=","0.72/(","l1+0.2)=",1.26,"(X向）"]
[null,"冲切承载力系数","a2=","0.72/(","l2+0.2)=",1.0463667820069205,"(Y向）"]
[null,"冲切承载力系数","a3=","0.72/(","l2+0.2)=",1.7999999999999998,"(Y向）"]
[null,"柱冲切验算      :","[a1*(","2by+ay1+","ay2)+(bx+ax)*(","a2+a","3)]*ft*ho =        ",10252.030023529409,"<KN>"]
[{"$nulls":6},"柱冲切","满足"]
[]
[null,"(2)顶角桩冲切验算"]
[null,"作用于冲切破坏","锥体上的冲","切力设计","值               ："]
[null,"F1 =  R  =",2500,"<KN>"]
[null,"c            =",{"v":1455.8652974269414,"d":"1456"},"mm"]
[null,"a            =",{"v":591.8934837998769,"d":"592"},"mm"]
[null,"冲跨比","l=","a/h=",{"v":0.42278105985705494,"d":"0.4228"}]
[null,"冲切承载力系数","a=","0.48/(","l+0.2 )=",0.7707363485173634,"( 承台规程","4.27-1  )"]
[null,"角桩冲切验算"," a*(","2c+a)*tg","( q/2 )*","ft*ho=",{"v":3118.9278454477717,"d":"3119"},"<KN>"]
[{"$nulls":7},"顶角桩冲切","满足"]
[null,"(3)底角桩冲切验算"]
[null,"作用于冲切破坏","锥体上的冲","切力设计","值               ："]
[null,"F1 =  R  =",2500,"<KN>"]
[null,"c            =",{"v":1491.9870549125033,"d":"1492"},"mm"]
[null,"a            =",520,"mm"]
[null,"冲跨比","l=","a/h=",{"v":0.37142857142857144,"d":"0.3714"}]
[null,"冲切承载力系数","a=","0.48/(","l+0.2 )=",0.84,"( 承台规程","4.27-1  )"]
[null,"角桩冲切验算"," a*(","2c+a)*tg","( q/2 )*","ft*ho=",{"v":3403.331916779542,"d":"3403"},"<KN>"]
[{"$nulls":7},"底角桩冲切","满足"]
[]
["4.承台剪切验算"]
[null,"斜截面受剪验算"]
[null,"剪切力设计值","V=R=",2500,"KN"]
[null,"剪跨比","l =","a/h=",{"v":0.42278105985705494,"d":"0.4228"}]
[null,"剪切系数","b =",0.16602537983456914]
[null,"斜截面受剪验算"," b*","fc*bo*ho",{"v":11347.037789869595,"d":"11347.038"},"<KN>",null,"承台剪切","满足"]
[]
[]
["5.承台局压验算"]
[null,"局部压力Fl=3R=",7500,"<KN>"]
[null,"局压面积   Al=","hc*bc=",250000,"<mm*mm>"]
[null,"局压计算面积","Ab=(hc+c)*(","bc+c)=",2250000,"<mm*mm>"]
[null,"承台局压验算","0.95*b*","fc*Al =",{"v":10188.749999999998,"d":"10188.750"},"<KN>","( 承台规程","4.4-2  )"]
[{"$nulls":7},"承台局压","满足"]