4 柱下独立承台: CT-4
4.1 工程名称: 工程一
4.2 柱底荷载效应组合
4.2.1 荷载效应组合的计算参数 4.2.1.1 荷载作用符号 D': 附加永久荷载作用
4.2.2 各荷载作用下的内力标准值
柱号 荷载 Nki Mxki Myki Vxki Vyki 4.2.2.1 2 D' 3115.0 -0.7 50.0 242.8 0.7
4.2.3 荷载效应的标准组合
4.2.3.1 控制内力的标准组合值
4.2.3.1.1 层号: 1,柱号: 2,位置: 柱底
组合号 Nk Mxk' Myk' Vxk Vyk 无地震 0 0.0 0.0 0.0 0.0 0.0 Dkcon 0 0.0 0.0 0.0 0.0 0.0 Nkmin 0 0.0 0.0 0.0 0.0 0.0 Nkmax 0 0.0 0.0 0.0 0.0 0.0 Mxk'min 0 0.0 0.0 0.0 0.0 0.0 Mxk'max 0 0.0 0.0 0.0 0.0 0.0 Myk'min 0 0.0 0.0 0.0 0.0 0.0 Myk'max 0 0.0 0.0 0.0 0.0 0.0 Vxkmin 0 0.0 0.0 0.0 0.0 0.0 Vxkmax 0 0.0 0.0 0.0 0.0 0.0 Vykmin 0 0.0 0.0 0.0 0.0 0.0 Vykmax 组合号 Nk Mxk' Myk' Vxk Vyk 有地震 0 0.0 0.0 0.0 0.0 0.0 Nkmin 0 0.0 0.0 0.0 0.0 0.0 Nkmax 0 0.0 0.0 0.0 0.0 0.0 Mxk'min 0 0.0 0.0 0.0 0.0 0.0 Mxk'max 0 0.0 0.0 0.0 0.0 0.0 Myk'min 0 0.0 0.0 0.0 0.0 0.0 Myk'max 0 0.0 0.0 0.0 0.0 0.0 Vxkmin 0 0.0 0.0 0.0 0.0 0.0 Vxkmax
0 0.0 0.0 0.0 0.0 0.0 Vykmin 0 0.0 0.0 0.0 0.0 0.0 Vykmax
4.2.4 荷载效应的基本组合
4.2.4.1 控制内力的基本组合值
4.2.4.1.1 层号: 1,柱号: 2,位置: 柱底
组合号 N Mx' My' Vx Vy 无地震 0 0.0 0.0 0.0 0.0 0.0 Dcon 0 0.0 0.0 0.0 0.0 0.0 Nmin 0 0.0 0.0 0.0 0.0 0.0 Nmax 0 0.0 0.0 0.0 0.0 0.0 Mx'min 0 0.0 0.0 0.0 0.0 0.0 Mx'max 0 0.0 0.0 0.0 0.0 0.0 My'min 0 0.0 0.0 0.0 0.0 0.0 My'max 0 0.0 0.0 0.0 0.0 0.0 Vxmin 0 0.0 0.0 0.0 0.0 0.0 Vxmax 0 0.0 0.0 0.0 0.0 0.0 Vymin 0 0.0 0.0 0.0 0.0 0.0 Vymax 组合号 N Mx' My' Vx Vy 有地震 0 0.0 0.0 0.0 0.0 0.0 Nmin 0 0.0 0.0 0.0 0.0 0.0 Nmax 0 0.0 0.0 0.0 0.0 0.0 Mx'min 0 0.0 0.0 0.0 0.0 0.0 Mx'max 0 0.0 0.0 0.0 0.0 0.0 My'min 0 0.0 0.0 0.0 0.0 0.0 My'max 0 0.0 0.0 0.0 0.0 0.0 Vxmin 0 0.0 0.0 0.0 0.0 0.0 Vxmax 0 0.0 0.0 0.0 0.0 0.0 Vymin 0 0.0 0.0 0.0 0.0 0.0 Vymax
4.3 基本资料
4.3.1 承台类型: 四桩承台,圆桩直径 d = 400mm,需要进行承台抗震承载力验算 4.3.2 桩中心最小间距 Smin = 1400mm,桩行间距 Sb = 1400mm, 承台边缘至桩中心距离 Sc = 400mm
4.3.3 承台根部高度 H = 1000mm,承台端部高度 h = 1000mm
4.3.4 柱截面高度 hc = 700mm (X 方向),柱截面宽度 bc = 700mm (Y 方向)
4.3.5 单桩竖向承载力特征值 Ra = 1020kN,单桩竖向抗震承载力特征值 RaE = 1275kN, 桩中心最小间距为 1.4m,3.5d (d -- 圆桩直径或方桩边长)
4.3.6 混凝土强度等级为 C25, fc = 11.943N/mm, ft = 1.271N/mm
4.3.7 钢筋抗拉强度设计值 fy = 360N/mm; 纵筋合力点至截面近边边缘的距离 as = 110mm 4.3.8 纵筋的最小配筋率 ρmin = 0.15%
4.3.9 永久荷载的分项系数,对由可变荷载效应控制的组合,取 γG = 1.2,,对由永久荷载效应 控制的组合,取 γG = 1.35 4.3.10 承台自重及承台上的土重
基础混凝土的容重 γc = 25kN/m; 基础顶面以上土的重度 γs = 18kN/m, 顶面上覆土厚度 ds = 1.5m
a = 2Sc + Sa = 2*400+1400 = 2200mm; b = 2Sc + Sb = 2*400+1400 = 2200mm 承台底部底面积 Ab = a·b = 2.2*2.2 = 4.84m 承台体积 Vc = Ab·H = 4.84*1 = 4.84m
承台自重标准值 Gk\" = γc·Vc = 25*4.84 = 121.0kN
承台上的土重标准值 Gk' = γs·(Ab - bc·hc)·ds = 18*(4.84-0.7*0.7)*1.5 = 117.5kN 承台自重及其上土自重标准值 Gk = Gk\" + Gk' = 121+117.5 = 238.5kN 基础自重及其上的土重的基本组合值 G = γG·Gk
对由可变荷载效应控制的组合,取 G = 1.2*238.5 = 286.1kN; 对由永久荷载效应控制的组合,取 G = 1.35*238.5 = 321.9kN
4.3.11 圆桩换算截面边宽 bp = 0.8d = 0.8*400 = 320mm 4.3.12 设计时执行的规范:
《建筑地基基础设计规范》(GB 50007-2002) 以下简称\"基础规范\" 《混凝土结构设计规范》(GB 50010-2002) 以下简称\"混凝土规范\" 《建筑桩基技术规范》(JGJ 94-2008) 以下简称\"桩基规范\" 《钢筋混凝土承台设计规程》(CECS 88:97) 以下简称\"承台规程\"
4.4 基础底面控制内力
Nk、Fk ---- 相应于荷载效应标准组合时,作用于基础顶面的竖向力值(kN); Vxk 、Vyk -- 相应于荷载效应标准组合时,作用于基础顶面的剪力值(kN); Mxk'、Myk'-- 相应于荷载效应标准组合时,作用于基础顶面的弯矩值(kN·m); Mxk、Myk --- 相应于荷载效应标准组合时,作用于基础底面的弯矩值(kN·m); Mxk = Mxk' - Vyk·H、 Myk = Myk' + Vxk·H
N、F ---- 相应于荷载效应基本组合时,作用于基础顶面的竖向力值(kN); Vx'、Vy' -- 相应于荷载效应基本组合时,作用于基础顶面的剪力值(kN); Mx'、My' -- 相应于荷载效应基本组合时,作用于基础顶面的弯矩值(kN·m); Mx、My ---- 相应于荷载效应基本组合时,作用于基础底面的弯矩值(kN·m); Mx = Mx' - Vy·H、 My = My' + Vx·H
4.4.1 相应于荷载效应标准组合时,基础底面控制内力 4.4.1.1 柱号: 2、Dkcon、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.2 柱号: 2、Nkmin、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.3 柱号: 2、Nkmax、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.4 柱号: 2、Mxk'min、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.5 柱号: 2、Mxk'max、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.6 柱号: 2、Myk'min、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.7 柱号: 2、Myk'max、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.8 柱号: 2、Vxkmin、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.9 柱号: 2、Vxkmax、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.10 柱号: 2、Vykmin、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.11 柱号: 2、Vykmax、无地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.12 柱号: 2、Nkmin、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8
4.4.1.13 柱号: 2、Nkmax、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.14 柱号: 2、Mxk'min、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.15 柱号: 2、Mxk'max、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.16 柱号: 2、Myk'min、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.17 柱号: 2、Myk'max、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.18 柱号: 2、Vxkmin、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.19 柱号: 2、Vxkmax、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.20 柱号: 2、Vykmin、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8 4.4.1.21 柱号: 2、Vykmax、考虑地震作用组合
Nk = 3115.0; Mxk' = -0.7,Myk' = 50.0; Vxk = 242.8,Vyk = 0.7 Fk = 3115.0; Mxk = -1.4,Myk = 292.8
4.4.2 相应于荷载效应基本组合时,基础底面控制内力 4.4.2.1 柱号: 2、Dcon、无地震作用组合
N = 4205.3; Mx' = -0.9,My' = 67.5; Vx = 327.8,Vy = 0.9 F = 4205.3; Mx = -1.9,My = 395.3 4.4.2.2 柱号: 2、Nmin、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.3 柱号: 2、Nmax、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.4 柱号: 2、Mx'min、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.5 柱号: 2、Mx'max、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.6 柱号: 2、My'min、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.7 柱号: 2、My'max、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.8 柱号: 2、Vxmin、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.9 柱号: 2、Vxmax、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8
F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.10 柱号: 2、Vymin、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.11 柱号: 2、Vymax、无地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.12 柱号: 2、Nmin、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.13 柱号: 2、Nmax、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.14 柱号: 2、Mx'min、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.15 柱号: 2、Mx'max、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.16 柱号: 2、My'min、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.17 柱号: 2、My'max、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.18 柱号: 2、Vxmin、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.19 柱号: 2、Vxmax、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.20 柱号: 2、Vymin、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4 4.4.2.21 柱号: 2、Vymax、考虑地震作用组合
N = 3738.0; Mx' = -0.8,My' = 60.0; Vx = 291.4,Vy = 0.8 F = 3738.0; Mx = -1.7,My = 351.4
4.5 相应于荷载效应标准组合时,轴心荷载作用下任一单桩的竖向力 Qk = (Fk + Gk) / n (基础规范 8.5.3-1) 4.5.1 柱号: 2、Dkcon、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.2 柱号: 2、Nkmin、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.3 柱号: 2、Nkmax、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.4 柱号: 2、Mxk'min、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.5 柱号: 2、Mxk'max、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.6 柱号: 2、Myk'min、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.7 柱号: 2、Myk'max、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.8 柱号: 2、Vxkmin、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.9 柱号: 2、Vxkmax、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.10 柱号: 2、Vykmin、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.11 柱号: 2、Vykmax、无地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ Ra = 1020kN 4.5.12 柱号: 2、Nkmin、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.13 柱号: 2、Nkmax、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.14 柱号: 2、Mxk'min、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.15 柱号: 2、Mxk'max、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.16 柱号: 2、Myk'min、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.17 柱号: 2、Myk'max、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.18 柱号: 2、Vxkmin、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.19 柱号: 2、Vxkmax、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.20 柱号: 2、Vykmin、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN 4.5.21 柱号: 2、Vykmax、考虑地震作用组合
Qk = (3115+238.5)/4 = 838.4kN ≤ RaE = 1275kN
4.6 相应于荷载效应标准组合时,偏心荷载作用下各根桩的竖向力
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Qik = (Fk + Gk) / n ± Mxk·Yi / ∑Yi ± Myk·Xi / ∑Xi (基础规范 8.5.3-2) 4.6.1 柱号: 2、Dkcon、无地震作用组合
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Q1k = (Fk + Gk) / n + Mxk·Yi / ∑Yi - Myk·Xi / ∑Xi
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= 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
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Q2k = (Fk + Gk) / n + Mxk·Yi / ∑Yi + Myk·Xi / ∑Xi
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= 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = (Fk + Gk) / n - Mxk·Yi / ∑Yi - Myk·Xi / ∑Xi
22
= 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = (Fk + Gk) / n - Mxk·Yi / ∑Yi + Myk·Xi / ∑Xi
22
= 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.2 柱号: 2、Nkmin、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.3 柱号: 2、Nkmax、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.4 柱号: 2、Mxk'min、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.5 柱号: 2、Mxk'max、无地震作用组合
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.6 柱号: 2、Myk'min、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.7 柱号: 2、Myk'max、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.8 柱号: 2、Vxkmin、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.9 柱号: 2、Vxkmax、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.10 柱号: 2、Vykmin、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.11 柱号: 2、Vykmax、无地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2Ra = 1224kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2Ra = 1224kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2Ra = 1224kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2Ra = 1224kN 4.6.12 柱号: 2、Nkmin、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN 4.6.13 柱号: 2、Nkmax、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN 4.6.14 柱号: 2、Mxk'min、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN 4.6.15 柱号: 2、Mxk'max、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN
22
4.6.16 柱号: 2、Myk'min、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN 4.6.17 柱号: 2、Myk'max、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN 4.6.18 柱号: 2、Vxkmin、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN 4.6.19 柱号: 2、Vxkmax、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN 4.6.20 柱号: 2、Vykmin、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN 4.6.21 柱号: 2、Vykmax、考虑地震作用组合
22
Q1k = 838.4-1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 733.3kN ≤ 1.2RaE = 1530kN
22
Q2k = 838.4-1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 942.4kN ≤ 1.2RaE = 1530kN
22
Q3k = 838.4+1.4*1.4/(2*1.4)-292.8*1.4/(2*1.4) = 734.3kN ≤ 1.2RaE = 1530kN
22
Q4k = 838.4+1.4*1.4/(2*1.4)+292.8*1.4/(2*1.4) = 943.4kN ≤ 1.2RaE = 1530kN
4.7 相应于荷载效应基本组合时,不计承台及其上填土自重,单桩平均净反力 Nj = F / n 4.7.1 柱号: 2、Dcon、无地震作用组合 Nj = 4205.3/4 = 1051.3kN 4.7.2 柱号: 2、Nmin、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.3 柱号: 2、Nmax、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.4 柱号: 2、Mx'min、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.5 柱号: 2、Mx'max、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.6 柱号: 2、My'min、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.7 柱号: 2、My'max、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.8 柱号: 2、Vxmin、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.9 柱号: 2、Vxmax、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.10 柱号: 2、Vymin、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.11 柱号: 2、Vymax、无地震作用组合 Nj = 3738/4 = 934.5kN 4.7.12 柱号: 2、Nmin、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.13 柱号: 2、Nmax、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.14 柱号: 2、Mx'min、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.15 柱号: 2、Mx'max、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.16 柱号: 2、My'min、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.17 柱号: 2、My'max、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.18 柱号: 2、Vxmin、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.19 柱号: 2、Vxmax、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.20 柱号: 2、Vymin、考虑地震作用组合 Nj = 3738/4 = 934.5kN 4.7.21 柱号: 2、Vymax、考虑地震作用组合 Nj = 3738/4 = 934.5kN
4.8 相应于荷载效应基本组合时,不计承台及其上填土自重,各根桩的净反力:
Ni = F / n ± Mx·Yi / ∑Yi ± My·Xi / ∑Xi 4.8.1 柱号: 2、Dcon、无地震作用组合
22
N1 = F / n + Mx·Yi / ∑Yi - My·Xi / ∑Xi
22
= 1051.3-1.9*1.4/(2*1.4)-395.3*1.4/(2*1.4) = 909.5kN
22
N2 = F / n + Mx·Yi / ∑Yi + My·Xi / ∑Xi
22
= 1051.3-1.9*1.4/(2*1.4)+395.3*1.4/(2*1.4) = 1191.8kN
22
N3 = F / n - Mx·Yi / ∑Yi - My·Xi / ∑Xi
22
= 1051.3+1.9*1.4/(2*1.4)-395.3*1.4/(2*1.4) = 910.8kN
22
N4 = F / n - Mx·Yi / ∑Yi + My·Xi / ∑Xi
22
= 1051.3+1.9*1.4/(2*1.4)+395.3*1.4/(2*1.4) = 1193.2kN 4.8.2 柱号: 2、Nmin、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.3 柱号: 2、Nmax、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.4 柱号: 2、Mx'min、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.5 柱号: 2、Mx'max、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.6 柱号: 2、My'min、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.7 柱号: 2、My'max、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.8 柱号: 2、Vxmin、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.9 柱号: 2、Vxmax、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.10 柱号: 2、Vymin、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN
22
4.8.11 柱号: 2、Vymax、无地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.12 柱号: 2、Nmin、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.13 柱号: 2、Nmax、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.14 柱号: 2、Mx'min、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.15 柱号: 2、Mx'max、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.16 柱号: 2、My'min、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.17 柱号: 2、My'max、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.18 柱号: 2、Vxmin、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.19 柱号: 2、Vxmax、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.20 柱号: 2、Vymin、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN 4.8.21 柱号: 2、Vymax、考虑地震作用组合
22
N1 = 934.5-1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 808.4kN
22
N2 = 934.5-1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1059.4kN
22
N3 = 934.5+1.7*1.4/(2*1.4)-351.4*1.4/(2*1.4) = 809.6kN
22
N4 = 934.5+1.7*1.4/(2*1.4)+351.4*1.4/(2*1.4) = 1060.6kN
4.9 柱对承台的冲切计算
Fl ≤ 2[β0x(bc + a0y) + β0y·(hc + a0x)]·βhp·ft·h0 (基础规范 8.5.17-1) 4.9.1 X 方向上从柱边至桩边的水平距离:
a0x = 0.5Sa - 0.5hc - 0.5bp = 700-700/2-320/2 = 190mm λ0x = a0x / h0 = 190/(1000-110) = 0.213
β0x = 0.84 / (λ0x + 0.2) = 0.84/(0.213+0.2) = 2.032 4.9.2 Y 方向上从柱边至桩边的水平距离:
a0y = 0.5Sb - 0.5bc - 0.5bp = 700-700/2-320/2 = 190mm λ0y = a0y / h0 = 190/(1000-110) = 0.213
β0y = 0.84 / (λ0y + 0.2) = 0.84/(0.213+0.2) = 2.032 4.9.3 柱号: 2、Dcon、无地震作用组合
扣除承台及其上填土自重后,相应于荷载效应基本组合时的作用在冲切破坏锥体上的冲切力设计值 Fl = 4205.3kN
Rcq = 2[β0x·(bc + a0y) + β0y·(hc + a0x)]·βhp·ft·h0
= 2*[2.032*(0.7+0.19)+2.032*(0.7+0.19)]*0.983*1271*0.89 = 8044.3kN ≥ Fl = 4205.3kN,满足要求。
4.10 角桩对承台的冲切计算
Nl ≤ [β1x·(c2 + a1y / 2) + β1y·(c1 + a1x / 2)]·βhp·ft·h0 (基础规范 8.5.17-5)
4.10.1 X 方向上从桩内边缘至最近柱边的水平距离:
a1x = 0.5Sa - 0.5hc - 0.5bp = 700-700/2-320/2 = 190mm λ1x = a1x / h0 = 190/(1000-110) = 0.213
β1x = 0.56 / (λ1x + 0.2) = 0.56/(0.213+0.2) = 1.354 4.10.2 Y 方向上从桩内边缘至最近柱边的水平距离:
a1y = 0.5Sb - 0.5bc - 0.5bp = 700-700/2-320/2 = 190mm λ1y = a1y / h0 = 190/(1000-110) = 0.213
β1y = 0.56 / (λ1y + 0.2) = 0.56/(0.213+0.2) = 1.354
4.10.3 从角桩内边缘至承台外边缘的距离: c1 = c2 = Sc + 0.5bp = 400+320/2 = 560mm 4.10.4 柱号: 2、Dcon、无地震作用组合
扣除承台及其上填土自重后,相应于荷载效应基本组合时的角桩桩顶的竖向力设计值 Nl = Nmax = 1193.2kN
Rcq = [β1x·(c2 + a1y / 2) + β1y·(c1 + a1x / 2)]·βhp·ft·h0
= [1.354*(0.56+0.19/2)+1.354*(0.56+0.19/2)]*0.983*1271*0.89 = 1973.4kN ≥ 1.1Nl = 1312.5kN,满足要求。
4.11 X 向斜截面受剪承载力计算
V ≤ βhs·β·ft·b0·h0 (基础规范 8.5.18-1)
4.11.1 X 方向上从桩内边缘至最近柱边的水平距离:
ay = 0.5Sb - 0.5bc - 0.5bp = 700-700/2-320/2 = 190mm λy = ay / h0 = 190/(1000-110) = 0.213 < .3,取 λy = .3 βy = 1.75 / (λy + 1.0) = 1.75/(0.3+1.0) = 1.346 4.11.2 柱号: 2、Dcon、无地震作用组合
扣除承台及其上填土自重后,相应于荷载效应基本组合时的最大剪力设计值 Vx = Max{N1 + N2, N3 + N4} = 2104.0kN
Rvx = βhs·βy·ft·bx0·h0 = 0.974*1.346*1271*2.2*0.89 = 3261.8kN ≥ Vx = 2104.0kN,满足要求。
4.12 Y 向斜截面受剪承载力计算
4.12.1 Y 方向上从桩内边缘至最近柱边的水平距离:
ax = 0.5Sa - 0.5hc - 0.5bp = 700-700/2-320/2 = 190mm λx = ax / h0 = 190/(1000-110) = 0.213 < .3,取 λx = .3 βx = 1.75 / (λx + 1.0) = 1.75/(0.3+1.0) = 1.346 4.12.2 柱号: 2、Dcon、无地震作用组合
扣除承台及其上填土自重后,相应于荷载效应基本组合时的最大剪力设计值 Vy = Max{N1 + N3, N2 + N4} = 2385.0kN
Rvy = βhs·βx·ft·by0·h0 = 0.974*1.346*1271*2.2*0.89 = 3261.8kN ≥ Vy = 2385.0kN,满足要求。
4.13 Y 轴方向柱边的弯矩设计值(绕 Y 轴) 柱左边缘 MyL = (N1 + N3)(Sa - hc) / 2 柱右边缘 MyR = (N2 + N4)(Sa - hc) / 2 4.13.1 柱号: 2、Dcon、无地震作用组合
MyL = (909.5+910.8)*(1.4-0.7)/2 = 637.1kN·m MyR = (1191.8+1193.2)*(1.4-0.7)/2 = 834.7kN·m 4.13.2 柱号: 2、Nmin、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.3 柱号: 2、Nmax、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.4 柱号: 2、Mx'min、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.5 柱号: 2、Mx'max、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.6 柱号: 2、My'min、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.7 柱号: 2、My'max、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.8 柱号: 2、Vxmin、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.9 柱号: 2、Vxmax、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.10 柱号: 2、Vymin、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.11 柱号: 2、Vymax、无地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.12 柱号: 2、Nmin、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.13 柱号: 2、Nmax、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.14 柱号: 2、Mx'min、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.15 柱号: 2、Mx'max、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.16 柱号: 2、My'min、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m
MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.17 柱号: 2、My'max、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.18 柱号: 2、Vxmin、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.19 柱号: 2、Vxmax、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.20 柱号: 2、Vymin、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m 4.13.21 柱号: 2、Vymax、考虑地震作用组合
MyL = (808.4+809.6)*(1.4-0.7)/2 = 566.3kN·m MyR = (1059.4+1060.6)*(1.4-0.7)/2 = 742.0kN·m
4.14 X 轴方向柱边的弯矩设计值(绕 X 轴) 柱上边缘 MxU = (N3 + N4)(Sb - bc) / 2 柱下边缘 MxD = (N1 + N2)(Sb - bc) / 2 4.14.1 柱号: 2、Dcon、无地震作用组合
MxU = (910.8+1193.2)*(1.4-0.7)/2 = 736.4kN·m MxD = (909.5+1191.8)*(1.4-0.7)/2 = 735.4kN·m 4.14.2 柱号: 2、Nmin、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.3 柱号: 2、Nmax、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.4 柱号: 2、Mx'min、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.5 柱号: 2、Mx'max、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.6 柱号: 2、My'min、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.7 柱号: 2、My'max、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.8 柱号: 2、Vxmin、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.9 柱号: 2、Vxmax、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.10 柱号: 2、Vymin、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.11 柱号: 2、Vymax、无地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.12 柱号: 2、Nmin、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m
MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.13 柱号: 2、Nmax、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.14 柱号: 2、Mx'min、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.15 柱号: 2、Mx'max、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.16 柱号: 2、My'min、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.17 柱号: 2、My'max、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.18 柱号: 2、Vxmin、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.19 柱号: 2、Vxmax、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.20 柱号: 2、Vymin、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m 4.14.21 柱号: 2、Vymax、考虑地震作用组合
MxU = (809.6+1060.6)*(1.4-0.7)/2 = 654.6kN·m MxD = (808.4+1059.4)*(1.4-0.7)/2 = 653.7kN·m
4.15 配筋计算
4.15.1 Y 轴方向配筋计算(①号筋)
4.15.1.1 柱号: 2、Dcon、无地震作用组合
MⅠ = Max{MyL, MyR} = Max{637.1, 834.7} = 834.7kN·m,
Asx = 2660mm (x = 36mm), as = 110mm,相对受压区高度 ξ = 0.041, 配筋率 ρ = 0.14%; ρmin = 0.15%,Asx,min = 3300mm; ①号筋:2214@100 (As = 3387) 4.15.2 X 轴方向配筋计算(②号筋)
4.15.2.1 柱号: 2、Dcon、无地震作用组合
MⅡ = Max{MxU, MxD} = Max{736.4, 735.4} = 736.4kN·m,
Asy = 2391mm (x = 33mm), as = 128mm,相对受压区高度 ξ = 0.038, 配筋率 ρ = 0.12%; ρmin = 0.15%,Asy,min = 3300mm; ②号筋:2214@100 (As = 3387)
4.16 柱下局部受压承载力计算
Fl ≤ ω·βl·fcc·Al (混凝土规范式 A.5.1-1) 混凝土局部受压面积 Al = bc·hc = 490000mm
局部受压的计算底面积按下式计算: Ab = (bx + 2cx)(by + 2cy) cx = Min{Cx, bx, by} = Min{750,700,700} = 700mm cy = Min{Cy, bx, by} = Min{750,700,700} = 700mm Ab = (700+2*700)*(700+2*700) = 4410000mm
0.50.5
混凝土局部受压时的强度提高系数 βl = (Ab / Al) = (4.41/0.49) = 3 4.16.1 柱号: 2、Dcon、无地震作用组合,局部荷载设计值 Fl = 4205.3kN Rj = ω·βl·fcc·Al = 1.0*3*0.85*11943*0.49
= 14922.6kN ≥ Fl = 4205.3kN,满足要求。
4.16.2 角桩局部受压承载力计算
Fl ≤ ω·βl·fcc·Al (混凝土规范式 A.5.1-1) 混凝土局部受压面积 Al = π·d2 / 4 = 125664mm
局部受压的计算底面积按下式计算: Ab = π·(d + 2c)2 / 4 c = Min{Cx, Cy, d} = Min{200,200,400} = 200mm Ab = π*(400+2*200)2/4 = 502655mm
0.50.5
混凝土局部受压时的强度提高系数 βl = (Ab / Al) = (0.5027/0.1257) = 2 4.16.3 柱号: 2、Dcon、无地震作用组合
局部荷载设计值 Fl= Nmax + G / n = 1193.2+321.9/4 = 1273.6kN Rpj = ω·βl·fcc·Al = 1.0*2*0.85*11943*0.1257
= 2551.3kN ≥ Fl = 1273.6kN,满足要求。
4.17 结果汇总
4.17.1 相应于荷载效应标准组合时,轴心荷载作用下,柱号: 2、Dkcon、无地震作用组合, 有桩最大反力: Qk = 838.4kN ≤ Ra = 1020kN
4.17.2 相应于荷载效应标准组合时,偏心荷载作用下,柱号: 2、Dkcon、无地震作用组合, 有桩最大反力: Qkmax = 943.4kN ≤ 1.2Ra = 1224kN
4.17.3 相应于荷载效应基本组合时,轴心荷载作用下,柱号: 2、Dcon、无地震作用组合, 有桩最大净反力: Nj = 1051.3kN
4.17.4 相应于荷载效应基本组合时,偏心荷载作用下,柱号: 2、Dcon、无地震作用组合, 有桩最大净反力: Nmax = 1193.2kN
4.17.5 柱对承台的冲切计算: 满足要求。 4.17.6 角桩对承台的冲切计算: 满足要求。 4.17.7 斜截面受剪承载力计算: 满足要求。 4.17.8 正截面受弯承载力计算:
4.17.8.1 柱号: 2、Dcon、无地震作用组合
MⅠ = Max{MyL, MyR} = Max{637.1, 834.7} = 834.7kN·m,
Asx = 2660mm (x = 36mm), as = 110mm,相对受压区高度 ξ = 0.041, 配筋率 ρ = 0.14%; ρmin = 0.15%,Asx,min = 3300mm; ①号筋:2214@100 (As = 3387) 4.17.8.2 柱号: 2、Dcon、无地震作用组合
MⅡ = Max{MxU, MxD} = Max{736.4, 735.4} = 736.4kN·m,
Asy = 2391mm (x = 33mm), as = 128mm,相对受压区高度 ξ = 0.038, 配筋率 ρ = 0.12%; ρmin = 0.15%,Asy,min = 3300mm; ②号筋:2214@100 (As = 3387)
4.17.9 柱下局部受压承载力计算: 满足要求。 4.17.10 角桩局部受压承载力计算: 满足要求。
4.18 桩基承台平面整体表示方法的集中标注内容 CTj4, 1000 B: X:14@100 Y:14@100
________________________________________________________________________________________ 【MorGain 结构快速设计程序 V2010.05.1930.436433286】 Date:2012-03-24 10:42:08
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