154 



STEEL RAILWAY BRIDGES. 



CHAP. IV. 



25 50 75100 125 150 175 200 

 Span in feet. 



FIG. 9. WEIGHT OF SINGLE TRACK THROUGH 

 RIVETED TRUSS SPANS. CHICAGO, 

 MILWAUKEE & ST. PAUL RY. 



Span in Feet. 



FIG. 10. WEIGHT OF SINGLE TRACK THROUGH 



PIN CONNECTED TRUSS SPANS. CHI- 



CAGO, MILWAUKEE & ST. PAUL RY. 



TABLE II. 

 HEAVIEST LOCOMOTIVES AND RELATIVE STRESSES PRODUCED FOR SPANS OF 10 FT. TO 100 FT. 



* Weight and wheel base for articulated engines are given for one engine and tender, 

 f Given for comparison, 

 t Mallet Type. 



