《風(fēng)荷載作用下的內(nèi)力探析綜述》

風(fēng)荷載作用下的內(nèi)力分析綜述1.1風(fēng)荷載計(jì)算風(fēng)荷載標(biāo)準(zhǔn)值計(jì)算公式：ωk=βzμsμ已知條件：基本風(fēng)壓ω0=0.45kN/m2，地面粗糙度為C類，室內(nèi)外高差0.45m，建筑高寬比H/B=23.4÷19.4=1.21<分布風(fēng)荷載標(biāo)準(zhǔn)值公式為q(x)=0.45×8.5βzμzus。迎風(fēng)面寬度：8.5m，h：上下層的平均高度，匯總其計(jì)算結(jié)果成表6-1，表STYLEREF1\s6SEQ表\*ARABIC\s11集中風(fēng)荷載標(biāo)準(zhǔn)值層次Hi/mμβω0/(kN/m2)q1(x)/(kN/m)q2(x)/(kN/m)h/mFi/kN623.850.90161.00.452.761.721.958.736519.950.8392.571.603.911.263411.050.7612.331.463.914.781312.150.742.261.423.914.35228.250.742.261.423.914.35214.350.742.261.424.12515.181.2風(fēng)荷載作用下水平位移驗(yàn)算層間剪力計(jì)算公式：Vi=Fi，然后計(jì)算層間側(cè)移剛度，各層層間側(cè)移與絕對側(cè)移計(jì)算公式：表STYLEREF1\s6SEQ表\*ARABIC\s12層間剪力和側(cè)移計(jì)算層次FVD?uh/mmθ68.7368.736817680.110.1139002.82×10-5511.26324.999817680.300.4139001.05×10-4414.78139.78817680.490.9039002.31×10-4314.35254.132817680.661.5639004×10-4214.35268.484817680.842.4039001.22×10-4115.1883.664576001.453.8539009.9×10-4取最大值9.9×10-4<1.818×101.3風(fēng)荷載作用下的內(nèi)力計(jì)算計(jì)算過程以及結(jié)果詳見下表6-3。表STYLEREF1\s6SEQ表\*ARABIC\s13各層邊柱端彎矩（kNm）與剪力（kN）值層次?VDDijVA、D軸邊柱mKNN/mmN/mmkNKyMM63.98.73681768199022.132.780.4394.663.6553.924.99981768199021.082.780.4513.0410.6743.939.7881768199029.682.780.48919.2918.4633.954.132817681990213.182.780.525.7025.7023.968.484817681990211.672.780.532.5132.5115.783.664576001412120.511.960.55452.1464.77表STYLEREF1\s6SEQ表\*ARABIC\s14各層中柱端彎矩（kNm）與剪力（kN）值層次?VDDijVB、C軸中柱mKNN/mmN/mmkNKyMM63.98.73681768185831.993.160.454.273.4953.924.99981768185835.683.160.45812.0110.1443.939.7881768185839.043.160.517.6317.6333.954.132817681858312.303.160.523.9923.9823.968.484817681858315.563.160.530.3430.3415.783.664576001345519.542.240.5550.1261.26表STYLEREF1\s6SEQ表\*ARABIC\s15梁端彎矩值（單位kN·m）層次DC跨梁CB跨梁BA跨梁左端右端左端右端左端右端64.66-3.740.53-0.533.74-4.66511.69-13.591.91-1.9113.59-11.69429.96-24.353.42-3.4224.35-29.96344.16-31.505.12-5.1231.50-44.16258.21-47.641.68-1.6847.64-58.21184.65-70.569.90-9.9070.56-84.65表STYLEREF1\s6SEQ表\*ARABIC\s16梁端剪力以及柱軸力值匯總（單位kN）層次梁剪力柱軸力DC跨梁CB跨梁BA跨梁D軸C軸B軸A軸60.990.440.99-0.990.55-0.550.9953.561.593.56-4.552.52-2.524.5541.392.851.39-10.941.06-1.0610.9439.494.279.49-20.4311.28-11.2820.43212.455.5712.45-32.8818.16-18.1632.88118.268.2518.26-51.1428.17-28.1751.141.4風(fēng)荷載作用下的內(nèi)力圖（左風(fēng)）圖STYLEREF1\s6SEQ圖\*ARABIC\s11框架彎矩圖（單