风荷载计算(GB50009-2012).xls

风荷载计算(GB50009-2012).xls

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LOGOLOGO风风荷荷载载计计算算书书（封封闭闭结结构构）项目名称xx工程设计依据GB50009-2012建筑结构荷载规范设计/时间校对/时间审核/时间总页数版本6A46.00062.000高度z45.000030.000StoSWindF&AWind（图示1）（图示2）风荷载体形系数s（查规范表8.3.1风荷载体型系数）（图示3）（图示4）sideward（kN/m2）侧风面windward-0.7leeward迎风面背风面Wind0.8-0.50.3750.375-0.70.317侧风面0.3170.23411、设设计计条条件件：

StoSWind数值取自技术协议F&AWind0.234设计风速v=26.8（m/s）基本风压0=0.45（kN/m2）地面粗糙度类别=C类22、计计算算输输入入条条件件：

炉宽B1=62.000（m）炉深B2=46.000（m）炉高H=45.000（m）（本类别场地，结构总高度H值不应大于450m。

）雨棚顶高Hp=45.000（m）计计算算高高度度z=z=30.00030.000（m）结构阻尼比1=0.02（-）（见附注1）结构自振周期T1=1.48（s）（本体按框架结构体系T1=0.0853*H0.75计算）频率f1=0.67（Hz）（频率f1=1/T1）z地形修正系数=1.0（-）（按第8.2.2条计算取值，本计算未涉及）0.40.30.20.10.005101520253035404550F&AWind0.40.30.20.10.005101520253035404550StoSWind迎风面风荷载标准值kw（kN/m2）高度H（m）风荷载标准值结果（仅示意迎风面）第1页，共8页33、在在高高度度z=30mz=30m处处，风风荷荷载载标标准准值值计计算算：

a）.a）.体型系数s，与整体一致，见上图示3；b）.b）.风压高度变化系数z：

z按GB50009-2012建筑结构荷载规范条文说明进行计算，则F&AWindStoSWind单位z=0.544*（z/10）0.44=0.8820.882（-）c）.c）.对于高度大于30m且高宽比大于1.5的房屋，以及基本自振周期T1大于0.25（s）的各种高耸结构，应考虑风压脉动对结构产生顺风风振的影响。

各迎风面参数对比上述条件，因此下面画删除线处取z=1，计算步骤可忽略。

高度z处，风振系数z按下述公式计算：

F&AWindStoSWind单位迎风面高宽比H/B=0.730.98（-）1.8401.878（-）（按公式8.4.3）峰值因子g=2.502.50（-）（按第8.4.3条）10m高度名义湍流强度I10=0.230.23（-）（按第8.4.3条）共振分量因子：

1.4821.482（-）（按公式8.4.4-1）其中：

41.0741.07（-）（按公式8.4.4-2）kw=0.540.54（-）（按第8.4.4条）背景分量因子：

0.4080.427（-）（按公式8.4.5）其中：

0.8120.812（-）（按公式8.4.6-1）0.8300.868（-）（按公式8.4.6-2）0.6710.671（-）（条文说明8.4.7）k=0.2950.295（-）（按表8.4.5-1取高层）a1=0.2610.261（-）（按表8.4.5-1取高层）d）.d）.高度z处风荷载标准值计算：

综合上述计算结果，在高度z处的各风向风荷载标准：

F&AWindStoSWind单位风振系数z=1.0001.000（-）迎风面体型系数sw=0.80.8（-）背风面体型系数sl=-0.5-0.5（-）侧风面体型系数ss=-0.7-0.7（-）风压高度变化系数z=0.8820.882（-）迎风面风荷载标准值kw=0.3170.317（kN/m2）背风面风荷载标准值kl=-0.198-0.198（kN/m2）侧风面风荷载标准值ks=-0.278-0.278（kN/m2）210121RBIgzz3/421211）1（6xxR5,301011xkfxwzzzxazkHB）（11HeHHz60601060/BeBBx50501050/7.0）（14tanHzz0zszkLOGOLOGO风风荷荷载载计计算算书书（封封闭闭结结构构）项目名称xx工程第2页，共8页44、整整体体风风荷荷载载计计算算：

a）.a）.整体风荷载标准值k，计算时仅考虑迎风面和背风面之和，即以s=0.8+0.5=1.3计算整体水平风荷载。

表1-整体风荷载标准值k：

序号高度高差zF&AWindStoSWindzhiz合计kz合计k（-）（m）（m）（-）（-）（kN/m2）（-）（kN/m2）145.000243.6671.331.041.000.6091.000.609342.3331.331.031.000.6001.000.600441.0001.331.011.000.5921.000.592539.6671.331.001.000.5831.000.583638.3331.330.981.000.5751.000.575737.0001.330.971.000.5661.000.566835.6671.330.951.000.5571.000.557934.3331.330.941.000.5471.000.5471033.0001.330.921.000.5381.000.5381131.6671.330.901.000.5281.000.5281230.3331.330.891.000.5181.000.5181329.0001.330.871.000.5081.000.5081427.6671.330.851.000.4981.000.4981526.3331.330.831.000.4871.000.4871625.0001.330.811.000.4761.000.4761723.6671.330.791.000.4651.000.4651822.3331.330.771.000.4531.000.4531921.0001.330.751.000.4411.000.4412019.6671.330.731.000.4281.000.4282118.3331.330.711.000.4151.000.4152217.0001.330.691.000.4021.000.4022315.6671.330.661.000.3881.000.3882414.3331.330.651.000.3801.000.3802513.0001.330.651.000.3801.000.3802611.6671.330.651.000.3801.000.3802710.3331.330.651.000.3801.000.380289.0001.330.651.000.3801.000.380297.6671.330.651.000.3801.000.380306.3331.330.651.000.3801.000.380315.0001.330.651.000.3801.000.380320.0005.000.651.000.3801.000.380LOGOLOGO风风荷荷载载计计算算书书（封封闭闭结结构构）项目名称xx工程第3页，共8页b）.b）.各方向风荷载水平力、剪力及弯矩计算汇总：

表2-F&A风向水平力、剪力及弯矩表：

序号高度高差F&AWindzhi合计k受风面积Ai水平力Fi水平剪力Qi弯矩M（-）（m）（m）（kN/m2）（m2）（kN）（kN）（kN-m）145.000243.6671.330.60982.750.350.333.5342.3331.330.60082.749.699.9133.7441.0001.330.59282.748.9148.9299.6539.6671.330.58382.748.2197.1530.2638.3331.330.57582.747.5244.6824.7737.0001.330.56682.746.8291.41182.0835.6671.330.55782.746.0337.41601.2934.3331.330.54782.745.3382.72081.31033.0001.330.53882.744.5427.12621.21131.6671.330.52882.743.7470.83219.81230.3331.330.51882.742.9513.73876.11329.0001.330.50882.742.0555.74589.11427.6671.330.49882.741.2596.95357.41526.3331.330.48782.740.3637.16180.11625.0001.330.47682.739.4676.57055.91723.6671.330.46582.738.4714.97983.51822.3331.330.45382.737.5752.48961.71921.0001.330.44182.736.5788.89989.12019.6671.330.42882.735.4824.311064.52118.3331.330.41582.734.3858.612186.42217.0001.330.40282.733.2891.813353.42315.6671.330.38882.732.0923.914563.82414.3331.330.38082.731.4955.315816.62513.0001.330.38082.731.4986.717111.32611.6671.330.38082.731.41018.218447.92710.3331.330.38082.731.41049.619826.4289.0001.330.38082.731.41081.121246.9297.6671.330.38082.731.41112.522709.3306.3331.330.38082.731.41143.924213.5315.0001.330.38082.731.41175.425759.8320.0005.000.380310.0117.91293.331931.4合计1293.31293.331931.4LOGOLOGO风风荷荷载载计计算算书书（封封闭闭结结构构）项目名称xx工程第4页，共8页表3-StoS风向水平力、剪力及弯矩表：

序号高度高差StoSWindzhi合计k受风面积Ai水平力Fi水平剪力Qi弯矩M（-）（m）（m）（kN/m2）（m2）（kN）（kN）（kN-m）145.000243.6671.330.60961.337.337.324.9342.3331.330.60061.336.874.199.2441.0001.330.59261.336.3110.5222.3539.6671.330.58361.335.8146.2393.4638.3331.330.57561.335.2181.5611.9737.0001.330.56661.334.7216.2877.0835.6671.330.55761.334.1250.31188.0934.3331.330.54761.333.6283.91544.21033.0001.330.53861.333.0316.91944.71131.6671.330.52861.332.4349.32388.91230.3331.330.51861.331.8381.12875.91329.0001.330.50861.331.2412.33404.81427.6671.330.49861.330.5442.83974.91526.3331.330.48761.329.9472.