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Wind Analysis MWFR$PROCEDURE ASCE 7-16 CHAPTER 27 <br /> Kzt=1 <br /> Exposure 8 <br /> Design Wind Speed,V a 110 mph <br /> Building longitudinal length:IS.S it <br /> Building transverse length:9.75 ft <br /> Ave.roof height:16.25 it <br /> Wind Load Procedure <br /> Velocity Pressure:q,=,00256K,K„Kdv2 (ASCE 27.3-1) <br /> Where Kd=.SS, <br /> K, per ASCE Table 27.3-1 <br /> Wind Pressure: P=gGCP-q,(GC.J (ASCE 7.16 Section 26.9.1) <br /> Note:For MWFRS q(GCm)=0 <br /> Gust effect factor G=.85,assume Rigid Structure (ASCE 7-16T.We 26.11-1) <br /> Internal pressure coefficient(GCy)=S 0.18 <br /> (ASCE 7.16 Figure 27.1) <br /> Wall Cp factors: <br /> Designation L/B C. <br /> Windward AR Values 0.8 <br /> Longitudinal.Leeward 1.59 -0.47 <br /> Transverse Leeward 0.629032258 -OS <br /> Wind Design Windward Pressure gxample: <br /> For h=15 it, Kz=0S7 <br /> Velocity Pressure:qz=.0025fi{057)(1)(0.85)(110^2) (ASCE 27.3-1) <br /> 15.13 psi <br /> For roof height, Kz=0.59 <br /> Roof Velocity Pressure:qz=.002S6(0.59)(1)(O.8SM330^2) (ASCE 27.3-1) <br /> = 15.480 <br /> Wind Pressure:p=(15.13)(.85){0.8) (ASCE 7-16 Section 26.9.1) <br /> = 10.29 psi <br /> Follow similar procedure for other diaphragm heights. <br /> See attached for wind loading to diaphragms <br /> Tmawrre Wlyd Pnvurer <br /> Mdpttft Wk4I-dPrerar4,Plf IrRwsdrmre 00 <br /> 15 103 e9 <br /> 30 123 <br /> 25 12.9 <br /> 30 ]23 <br /> Sa 1316 <br /> Se 1-5 <br /> 60 35.7 <br /> 30 240 <br /> RPM 7.7 <br /> ROel uplift,Pe 11.32 '..0tsh/ift <br /> -6ae ft-jz ehft <br /> -6.8•t fmmhte21,ft <br /> fiPd >2h It <br /> IwlphudNrl WMdlieuwrl <br /> Ne16ht,ft WNdwardProwre,psl leeward Presunk pd <br /> is 10.3 8s <br /> 20 1L2 <br /> 25 11.9 <br /> 30 12.5 <br /> d0 13.6 <br /> 50 14.5 <br /> 60 as.1 <br /> 0 M. <br /> Rool 16.6 <br /> Reel upRl,,P>I 9Afi Imm 0to Nth <br /> 9.e6 Ir m v2 w N n <br /> 2.90 hem h1P 21h <br /> -1,59 >2hn <br /> Wind design diaphragm loading for first level,follow similar procedure for all levels <br /> Trib beneath level: <br /> 8.67 ft-8.67 ft/2=4.335 ft <br /> 15 it-4.335 ft-10.60 ft <br /> 4.335 ft-15 ft=-6.33 ft <br /> 10.665 ft+-633 ft=4,335 ft <br /> Tdb abo,vee level: <br />