Compressive Strength Of Concrete
Apr 17, sampling of cubes for test. clean the mounds and apply oil. fill the concrete in the molds in layers approximately 5 cm thick. compact each layer with not less than 35 strokes per layer using a tamping rod (steel bar 16mm diameter and 60cm long, bullet-pointed at lower end). level the top surface and smoothen it with a trowel. curing of.