Experimental Test of a Concrete Conduit reinforced with "Steelcrete" Expanded Metal 

 for the Jersey City Water Supply Company. 



Test at 21 days on section 8'6" x 86" x lO'O" long. Walls at spring of arch 12 inches and at 

 crown 5 inches. Load 25 tons steel rails. Only slight cracks shown. Total deflection seven- 

 sixteenths inches. 



Mr. E. W. Harrison, Consulting Engineer. 



