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Use Procedure From ASCE 7-16 <br />Main Wind-Force Resisting System (MWFRS) <br />ANALYSIS FOR 2-STORY BUILDING <br />Basic Building Parameters RESIDENCE <br />Roof Slope: Roof Angle= 18.43 ° <br />Height of Floor ( hf ):8.00 a= 5.00 <br />Peak Roof Only Height: ( hpeak ):5.00 a/2= 2.500 <br />Mean Roof height ( H ):2.50 ft <br />Least horizontal dimension: 32.50 ft <br />Wind Directional Fator, Kd:0.85 Table 26.6-1 <br />Veloctiy Pressure Exposure, Kz: 0.57 Table 26.10-1 <br />Max Side Width of Building: 32.50 ft <br />Max Side Length of Building: 61.00 ft <br />Wind Parameters <br />Risk Category of building = II <br />110 mph <br />Exposure Category: C <br />λ = 1.10 <br />I = 1.00 <br />Topographical 1.0 ( NO UPHILL OR DOWN HILL WIND FORCE ) <br />K1=0.00 <br />K2=0.00 <br />K3=0.00 <br />Gust Effect Factor, G f : <br />0.85 Section 26.11.1 <br />qz = 0.00256KeKzKztKdV2:15.008 qz = q = qi <br />Internal Pressure Coefficient, GCpi : -0.18 Table 26.13-1 <br />External Pressure Coefficient, Cp :0.8 Figure 27.3-1 <br />h mean = ( Height of refrence ) + ( Projected height of roof ) <br />= 5.000 <br />0.4h mean = 0.4( a ) <br />= 2 <br />Least Hoz. Building Dimension <br />a = L min. = 32.50 <br />0.1L min. = 3.25 <br />Length of End Zone <br />2a =6.500 <br />Height of 2nd Floor ( hr ): <br />P s = qG f C p - q i ( GCpi ) <br />Design for worst case (conservative) throughout; ZONE A =0.8 psf ( EQ. 27.3-1 ) <br />PS=12.9 psf <br />Load to Diaphragm: Design for Worst Case W/Overhang) <br />(Tributary Height to the Roof Diaghragm) = (Tributary Wall Height below Reference Point) + (Partition Wall) <br />1/2(Roof Height)=2.500 FT. <br />1/2(Floor Height)=4.00 FT. <br />Since wind is negative (-) (outward) on projected roof area above reference height, <br />the total wind force to the roof diapgram will be greater if it is assumed that <br />Ps = 0 in the roof Zone B & Zone D (per ASCE Fig. 6-2) <br />Fr = λKztIPs(Hr /2 + Hpeak)*L 6495.332 lb./ft. <br />Ff = λKztIPs(Hr /2 + Hf /2)*L 5629.288 lb./ft. <br />Fr = λKztIPs(Hr /2 + Hpeak)*W 3460.628 lb./ft. <br />Ff = λKztIPs(Hr /2 + Hf /2)*W 2999.211 lb./ft. <br />Longitudinal Direction Traverse Direction <br />Level Fx (kips) Vx (kips) Vx (ksf) Fx (kips) Vx (kips) Vx (ksf) <br />Roof Total = 6.50 3.46 <br />6.50 3.276 3.46 1.746 <br />Floor Total = 5.63 3.00 <br />12.12 6.46 <br />6.12 3.258 <br />KZT = 1+K1+K2+K3 = <br />Wind Loads <br />4:12 Ratio <br />Basic wind speed V: <br />Traverse Direction = <br />Longitudinal Direction = <br />Tributary Wall Height below 𝑹𝒆𝒇𝒆𝒓𝒆𝒏𝒄𝒆 𝑷𝒐𝒊𝒏𝒕= <br />HOLD - 122 N <br />Bewley St9/24/2024