How to Compact Soil for Concrete Slab | Hunker- tools used for the preparation of concrete surface before going for rebound hammer test ,Drive the test spike into the ground to the proper depth with a hammer to get the best results. If you do not have access to a density machine, you can test it by hand. If you the soil passes the density test, you are ready to install your rebar or mesh and pour your concrete.Schmidt hammer test or Rebound Hammer test of Concrete5/8/2018· Procedure for Schmidt hammer test or Rebound Hammer Test: Before starting the procedure calibration of the hammer is required. To do this, the Schmidt hammer is tested against the Steel test anvil which has a Brinell hardness number of about 5000MPa. Clean the surface of concrete, ensure the concrete is clean and dirt free.
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