USEFUL DATA 



QUANTITIES OF MATERIALS FOR ONE CUBIC YARD OF RAMMED 

 CONCRETE BASED ON A BARREL OF 3.8 CUBIC FEET 



The following table gives the quantities of materials required for one yard of concrete. The results given 

 have been taken from a similar table in Concrete Plain and Reinforced by Taylor and Thompson, with 

 the author's permission, to use this copyrighted matter. 



Note. — Variations in the fineness of the sand and the compacting of the concrete may affect the quan- 

 tities by 10% in either direction. 

 Use 45% column for averagre conditions and for broken stone with dust screened out. 

 Use 60% column for broken stone screened to uniform size 

 Use 40% column for gravel or mixed stone and gravel. 

 Use 30% column for scientifically graded mixtures. 



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