Where 279 plf l 240 ft e 17e06 psi a 2175 b 110 ft g

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Where: 279 plf L = 240 ft E = 1.7E+06 psi A = 21.75 B = 110 ft G = 9.0E+04 t = 0.298 0.037 in,(UBC97 Page3-422) 45.00 in Note: Techincal References: 1. "National Design Specification, NDS", 2001 Edition, AF&AP, AWC, 2001. 2. Alan Williams: "Structuiral Engineering Reference Manual", Professional Publications, Inc, 2001. w L, WIND = w L, SEISMIC = w B, WIND = w B, SEISMIC = B 1 = ft , B 2 = T L = C L = T B = C B = F 1 = F 2 = D = v L = v B = T L = C L = ( w L L 2 ) / ( 8B ) = T B = C B = ( w B B 2 ) / ( 8L ) = F 1 = 0.5 (B-2B 1 ) MAX( v 1, WIND , W 0 v 1, SEISMIC ) = W 0 = F 2 = B 2 MAX( v 1, WIND , W 0 v 1, SEISMIC ) = v L = in 2 psi, (UBC97 Page3-421) in, (UBC97 Page3-420) e n = S (D c x) = The deflection, D , above is based on completely blocked. For unblocked diaphragm, 2.4 D should be used. 3 5 0.188 8 4 2 C L L Bending Shear Nail slip Chord splice slip n x L D v v L L e EAB Gt B D  D D D D
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