Typical Concrete Mixtures (by Volume)

Ratio of
Cement:Sand:Gravel
  Use or Application
     
1:3:6   Unexposed, normal static loads; no rebar
     
1:2½:5   Normal exposed foundations and walls
     
1:2½:4   Basement walls
     
1:2½:3½   Waterproof basement walls
     
1:2½:3   Light duty floors, driveways
     
1:2¼:3   Driveways, sidewalks and steps
     
1:2:4   Reinforced roads, walls and buildings; lintels
     
1:2:3½   Retaining walls
     
1:1¾:4   Light duty floors
     
1:1:1½   Fence posts

     


 
 
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