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ASCE7-05风风荷荷载载计计算算EXCEL表表格格
WINDLOADINGANALYSIS-OpenStructureswithoutRoofs
PerASCE7-0Code
UsingMethod2:AnalyticalProcedure(Section6.)forOtherStructuresofAnyHeight
JobName:Subject:
JobNumber:Originator:Checker:
InputData:
ResultingParametersandCoefficients:WindSpeed,V=120mph
Class.,Occ.Category=III(Table1-1)Ifz1then:Kz=2.01*(1/zg)^(2/a)ExposureCategory=C(Sect.6..6)Ifz=1then:
Kz=2.01*(z/zg)^(2/a)
Topo.Factor,Kzt=1.00(Sect.6..7)a=9.0(Table6-2)HeightofStructure,h=40.00ft.zg=900(Table6-2)StructureWidth,B
=0.00ft.(normaltowind)I=1.1(Table6-1)
StructureLength,L=20.00ft.(paralleltowind)freq.,f=3.144Hz.(f=1)Rigid
DampingRatio,b=0.010(0.010to0.070)G=0.80(GustFactor,Sect.6..8)PeriodCoefficient,Ct=0.0200(0.020to0.03)
Direct.Factor,Kd=0.8(Table6-4)VelocityPressure(Sect.6..10,Eq.6-1):
HurricaneRegion?Yqz=0.0026*Kz*Kzt*Kd*V^2*I
NetDesignWindPressures(Sect.6..1):Note:PerCodeSection6.1.4.1,designwindforceforopenp=qz*G*Cf(psf),
whereqzisevaluatedatbuildingsandotherstructuresshallnotbelessthan10psfheightzofthecentroidofprojected
area.multipliedbythearea,Af,theareanormaltowinddirection.
OpenStructure-NetDesignWindPressures,p
ForceCoefficient,Cf
zKzqzqz*G1.201.601.802.00
(ft.)(psf)(psf)pppp
(psf)(psf)(psf)(psf)
00.830.926.0031.2041.6046.802.00
10.830.926.0031.2041.6046.802.00
200.9032.027.6233.144.2049.72.2
20.934.0628.934.7446.322.127.91
300.983.4030.0936.1048.144.160.17
31.0136.631.0837.2949.73.9462.16
Forz=h:401.0437.6031.9638.361.147.463.93
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