TRUSS DETAILS 



197 



ing and ventilating, and the main dimensions are shown in the cuts and 

 need no explanation. 



Locomotive Shop -A-T& 5-F- 



FIG. 92. 



A cross-section and end view of the train shed of the Richmond 

 Union Passenger Station are shown in Fig. 93. Riveted trusses are 



Croat! Section, Looking horth. Elevation, North End. 



Train Shed Richmond Union Passenger Station. 



FIG. 93. 



quite generally used in train sheds; a notable exception to this state- 

 ment, however, being the trusses for the new train shed of the C. R. I. 

 & P., and L. S. & M. S. Railways in Chicago. The trusses in this struc- 

 ture have a length of span of 207 ft., a rise of the bottom chord of 40 ft. 

 and a depth of truss at the center of 25 ft. The trusses are pin con- 

 nected, the compression members being built up channels and the ten- 

 sion members eye-bars. The building is described in detail in Engineer- 

 ing News, August 6, 1903, 



Truss Details. Riveted trusses are commonly used for mill build- 

 ings and similar structures. For ordinary loads, the upper and lower 



