566 



STRUCTURAL MECHANICS. 



CHAP. XVI. 



Bridge Analysis. DecK Baltimore Truss. Problem 5 . 



Max. and Min.5tresses. Algebraic Resolution 



- - r 



-6 -io -ie 



. * Coef. for Dead Load, and Live Load for Chords. 



Maximum Web Coefficients. Minimum Web Coefficients. 



0.+4a75 D.+ 48.75 CU78.75 D.+78.75 D.493.75 D.+ 9J.75 D.+95.75 -VE5O.OO4e5O.OO +35O.OO +EIO.OO 4ZIO.OO +ftO.OO -V \V3.OO 

 ..+ 156.25 L 



Live and Dead Load Stresses. 

 >5pan,L,-Eeo'-o'. 1 = 



Panel, \,= 2o'-o" 

 Depth, d.-^-o'-o 1 .' 



^ ox - ond Nirv.>Stresse. 

 -90.00 Dead Load =.375 Tons per Im.ft p.tr. 

 tanO=.v.oo. LiveLoad'.ezsTper lin.flper truss. 



Stresses in Tons. 



Bridge Analysis. Baltimore Truss. Problem 6 



Wtand Algebrafc Resolution^. 5pan 320' 



+izi +154 +16? +132.00 " 



h-A n ^ **" 



l/jr 



Rl 



wwwwwwv/'wwwwwwwu 



Wtanff 

 Dead Load Coefficients . Dead Load Stresses In Tons. 



\P \P \P \P 



\P \P \P \P \P \P \P > 



Maximum Live LoadV/eb Coefficients - Minimum 



H25.0 +405.0 +429.0 +152.0 +124.0 +10010 



, r/W.O -/W.O -/5?.i -I82M -H2.0 -312.0 -390-0 -590.0 -120.0 -120.0 -96.0 -96.0 -56.0 -56.0 -60.0 -60.0 > 

 Maximum Stresses in Tons. Minimum Stresses in Tons 



