一、常规数据271.90C300.803602.662002.01.58162.52.70.7048B类0.62430.550.141.530.113138.80.1541.51.004.50.6704.50.1874.50.0513.4410.985230.8242110.2911.0720251.4314.3317512.00E+050.502.01二、数据统计、确定荷载组合方案17.582.661.403.7317.3680.8100281.3502.70.9798满足0.00330.290.5180.20.03962.06构件受力特征系数αcr纵向受拉钢筋表面特征系数νi地面粗糙度类别混凝土容重(kN/m3)墙厚(mm)风荷载标准值ωk(kN/m2)风载体型系数μs地面粗糙度指数α混凝土女儿墙主筋、裂缝、挠度计算风振系数βz(新《荷规》)峰值因子g10m高度名义湍流强度I10脉动风荷载背景分量因子BZ结构总高度H(m)混凝土强度等级结构类型受拉钢筋强度设计值fy(N/mm2)构件底部宽度B(0)(m)背景分量因子修正系数θB结构迎风面宽度B(m)结构第一阶自振频率f1(Hz)女儿墙栏板高度Ln(m)高度z处迎风面宽度B(z)(m)结构阻尼比ξ1《荷规》表8.4.5-1系数a1地面粗糙度修正系数kw脉动风荷载竖直方向相关系数ρx有效厚度h0=h-as(mm)钢筋弹性模量ES(N/mm2)-基本风压ω0(kN/m2)《荷规》表8.4.5-1系数k风压高度变化系数μz湍流沿高度分布计算IZ脉动风荷载共振分量因子R构件离地最大高度z(m)钢筋混凝土及砌体结构考虑栏板顶端水平荷载FK(kN/m)背景分量因子修正系数θv板保护层厚度c(mm)混凝土轴心抗拉强度设计值ft(N/mm2)混凝土轴心抗压强度设计值fc(N/mm2)as满足最大配筋率要求满足最小配筋率要求等效矩形应力图计算系数α1钢筋弹性模量ES(N/mm2)结构第一振型系数Φ1脉动风荷载水平方向相关系数ρx相对高度z/H女儿墙压顶伸出部分截面荷载(kN/m)基本自振周期T1(s)钢筋间距s(mm)等效矩形应力图计算系数β1栏板顶部水平活载设计值F(kN)均布活荷载标准值qK(kN/m)传给梁的竖向均布恒荷载标准值gK(kN/m)钢筋实际配筋面积AS(mm2)计算钢筋面积AS=M/γSfyh0(mm2)ρ(%)=AS/bh0ρmin(%)活荷载准永久值系数ψq混凝土轴心抗拉强度标准值ftk(N/mm2)三、计算截面配筋弯矩M(kN·m)均布活荷载设计值q(kN/m)钢筋直径d(mm)截面抵抗矩系数αS=M/α1fcbh02内力臂系数γS=(1+(1-2αS)1/2)/2ρmax(%)配筋面积是否满足正截面混凝土极限压应变εcu计算界限相对受压区高度ξb12.401.01%6.2010.0162.061081.030.2000.200.2980.05满足0.003.00E+046.6672.004681.123120.755650.222825.111/2002825.118.58满足ρte=AS/0.5bh四、裂缝验算Mq=ψq(qK·Ln2/2+FK·Ln)(kN·m)σsk=MK/0.87h0AS(N/mm2)σsq=Mq/0.87h0AS(N/mm2)MK=qK·Ln2/2+FK·Ln(kN·m)短期刚度Bsk(kN·m2)短期刚度Bsq(kN·m2)最大裂缝宽度限值ωlim(mm)受拉区纵筋等效直径deq=d/νi(mm)最大裂缝宽度ωmax=αcrψσs/ES(1.9c+0.08deq/ρte)(mm)验算ωmax≤ωlim五、挠度验算ψK=1.1-0.65ftk/ρteσsk单位面积钢筋根数nψq=1.1-0.65ftk/ρteσsq计算受弯构件挠度fmax=SMkl02/Bmin(mm)混凝土弹性模量EC(N/mm2)考虑荷载长期作用对挠度的影响系数θ受弯构件的长期刚度Bk(kN·m2)受弯构件的长期刚度Bq(kN·m2)B=min(Bk,Bq)(kN·m2)验算fmax≤f0挠度限值f0受压翼缘面积与腹板有效面积的比值γ'f钢筋弹性模量与混凝土模量的比值αE1w0/T120.051.001I10αKwA类B类A类0.120.121.28k0.9440.670B类0.140.151.00a10.1550.187C类0.230.220.54k1.2760.910D类0.390.300.26a10.1860.218强度α1β1fcftfcu,kftkEcC151.000.807.20.91151.272.20C201.000.809.61.10201.542.55C251.000.8011.91.27251.782.80C301.000.8014.31.43302.013.00C351.000.8016.71.57352.203.15C401.000.8019.11.71402.393.25C451.000.8021.11.80452.513.35C501.000.8023.11.89502.643.45C550.990.7925.31.96552.743.55C600.980.7827.52.04602.853.60C650.970.7729.72.09652.933.65C700.960.7631.82.14702.993.70C750.950.7533.82.18753.053.75C800.940.7435.92.22803.113.80旧《荷规》风振系数βz振型系数φZ高层结构高耸结构粗糙度类别脉动增大系数ξ脉动影响系数νC类D类0.2950.1120.2610.3460.4040.1550.2920.376