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T&W Consulting Engineers. INC <br />1168 N. San Gabriel Blvd., #N <br />65.12.2.2 Low-Rise Buildihg <br />Velocity pressure qz = .00256 1% KE'Kcs \F iIi (6-15)Rosemead, CA 91770 <br />Kn:= 1.12 lid= 0.85 V = 110 4-= 1.00 <br />atimean roof high h= 9 <br />Kh = 0.85 Exp=C T-6-3 <br />Roofangle e = 18.4 <br />P I qhf(Gtpi) - (Gepi)]0- 1 8) <br />0 = 25.01 <br />latemal Pressure Coef (GC,) =1 0.1:8 Endosed Building Figure 6-5 <br />22= 6.0'ft <br />Load <br />Direction <br />Trans, <br />Long <br />Trans <br />Long <br />Figure 6-10 MWFRS Method 2 <br />Building Surface <br />1 2 3 4 56 lE ZE aE *E <br />GOP,0.52 -0:69 -0.47 -0.42 -0.45 -0,45 0.18 -1.07 -0.67 -062 <br />GCpt 0.40 -0569 -0.37 -0.29 -0.45 -045 0.61 -1.07 -0.53 -0.43 <br />qh(G¢0 + Gepi)17.42 -12.76 -7.22 -5t89 -6.75 -6:75 24.02 -22.26 -12.34 -10.96 <br />qh(6Cpf -Gc@ 8.42 -21.76 -16.22 -14.89 -15.74 -1576 15.01 -31.27 -21.34 -19,96 <br />qh(GCP! + Gs/1:4.5.1 -12.Z6 -4.75 -2.75 -5.75 -6.75 19::76 -22.26 -8.75 -6.25 <br />qh(GC:f - Gcp,)5.50 -21.76 -13.76 -11.76 -15:76 -1·5.76 10.76 -51.27 -17.76 -18.26 <br />6.5.12.4COMPONENTS AND CLADDING <br />6.5.12.4.1 Low-rise building and building with h 5 60ft <br />Velocir,· pressure oc= .00256 Kz Kr K= 1/3 Iw '(6-15) <br />Km= 1.12 1<d = 0.85 V = 110: Iw= 1.00qz= 29.43 Kzat mean:roof high h =9.Oft OK <br />K- = 0.85 Exp= C <br />velocity at; mean roof height, 0, = 25.01 <br />P I qh(Grp:- GC,i)(6-22) <br />-GC = -1.1 :Figure 6.11 through 6-16External pressure + GC = 1P <br />Internal pressure: Gpi =i 0.18 Endosed Building Figurei6-5 <br />p =25.01[1 -(20.18)] psT 25.01[-1.1 - tiO.18)] psf <br />p = 25.51 psf psi -32.01 psf psf <br />6.5.12.4.2 Building with h > 60ft /,00 NG-H443.at mean roof high h =9.0 it Provision of ASCE 6 5.12.4.1 shall be use <br />K <br />qz- 29.43 K.rr, / <br />p = q(GCp) - q,(GC.) <br />Z=0 K, = 0.85 <br />qa - 25.01 qz = 25.01 <br />External pressure, + Gap = :1 -GCp= -1.1 Figure 6-17 <br />Internal pressure, Gpi =2 0.1'8 Endosed Building Figure 6-5 <br />Windward wall. q =qz= 25.01 qi = qh =25.01 <br />p= 25.01(1)-25.01(20.1'8)25.01(-1.1 ) - 25.01(20.18) <br />= 25.01 *4.·50 psf -27.51 +4.50 psT <br />= 29.51 psf -32.01 w <br />Leeward wall, side wall and roof evaluated at height h <br />Ch = 25.01 qi :: qI-, = 25.01 <br />= 25.01(1*25.0.1:(20.18) 25.01(-1.1) -25.01(20.18) <br />= 25.01 54.50 psE -27.51 +4.50 psF <br />= 29.51 psE -32.01. M <br />6.5.15, Design Wind Load on Others Structures <br />F = clz G C, Af (6-27) <br />qz= -002561, Kn K,i \/21 (6-15) <br />Ht z at the centroid of area Af = 9 ft Exp = c <br />Exposure coemcient KE = 0.85 6.5.6.6, T-6-3 for MA/FR <br />Topdgraphy factor Kzt:= 1.00 6.5.7.2 <br />Table 6-4 <br />Wind Speed V = 110 mph <br />Importance factori'w= 1.00 Table 6-1 <br />qz = 22.38 psf <br />Gust Effect factor G = 0.85:6.5.8 <br />Force coeff Ci = 1.31 Figure 6-21 through 6-23 <br />Design wind pressure, F/A = 24.92 psf