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• <br /> Diagrams <br /> B t--► f- <br /> l• <br /> -1 i <br /> Ab4E 7-10 a Sa s12 h F <br /> a s 0r F <br /> FREESTANDING WALL .1.1. <br /> $&DUD SIGN OR h 6 a nr2 ` 4.06N <br /> aSll ... -r - <br /> h • N2 <br /> GROUND SURFACEVEZZESSOMESEMMEMESSZIERin S/h< GROUND SURFACE <br /> Oh#i <br /> ELEVATION VIEW CROSS-SECTION VIEW <br /> I 1 E >ff #I 9 <br /> *....<4 Wr+a L.=0. 8 <br /> F <br /> " F <br /> t+irao <br /> I <br /> ' e 7•-•0.28--) te-- <br /> L F - F I worts <br /> F <br /> F <br /> CASE A CASE B CASE C <br /> PLAN VIEWS <br /> Notation <br /> B=Horizontal dimension of sign, in ft(m) <br /> e=Eccentricity of force, in ft(m) <br /> F=Design wind force for other structures, in lb (N) <br /> h=Height of the sign, in ft(m) <br /> L.=Horizontal dimension of return corner, in ft (m) . <br /> Rmin=t/min (B and s) <br /> Rmax=t/max (B and s). • <br /> s=Vertical dimension of the sign, in ft(m) <br /> t=Thickness of the sign in ft (m) <br /> e=Ratio of solid area to gross area <br /> Force Coefficients, Cf, for Case A and Case B <br /> Aspect Ratio,B/s <br /> Clearance <br /> Ratio,s/h <0.05 0.1 0.2 0.5 1 2 4 5 10 20 30 >45 <br /> 1 1.80 1.70 1.65 1.55 1.45 1.40 1.35 1.35 1.30 1.30 1.30 1.30 <br /> 0.9 1.85 1.75 1.70 1.60 1.55 1.50 1.45 1.45 1.40 1.40 1.40 1.40 <br /> 0.7 1.90 1.85 1.75 1.70 1.65 1.60 1.60 1.55 1.55 1.55 1.55 1.55 <br /> 0.5 1.95 1.85 1.80 1.75 1.75 1.70 1.70 1.70 1.70 1.70 1.70 1.75 <br /> 0.3 1.95 1.90 1.85 1.80 1.80 1.80 1.80 1.80 1.80 1.85 1.85 1.85 <br /> 0.2 1.95 1.90 1.85 1.80 1.80 1.80 1.80 1.80 1.85 1.90 1.90 1.95 <br /> <0.16 1.95 1.90 1.85 1.85 1.80 1.80 1.85 1.85 1.85 1.90 1.90 1.95 <br /> FIGURE 29.3-1 Design Wind Loads(All Heights): Force Coefficients, Cfr for Other Structures-Solid Freestanding Walls and Solid <br /> Freestanding Signs <br /> continues <br /> Minimum Design Loads and Associated Criteria for Buildings and Other Structures 323 <br /> 252 STANDAR1bSf 14 o <br />