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Stainless Steel Schmidt Rebound Hammer Strength Testing of Hardened Concrete
from IndianConstructionIndustry.Com in Association with Amazon India
Stainless Steel Schmidt Rebound Hammer Strength Testing of Hardened Concrete. The rebound of an elastic mass depends on the hardness of the surface against which its mass strikes. When the plunger of the rebound hammer is pressed against the surface of the concrete, the spring-controlled mass rebounds and the extent of such a rebound depends upon the surface hardness of the concrete. The surface hardness and therefore the rebound is taken to be related to the compressive strength of the concrete. The compressive strength can be read directly from the graph provided on the body of the hammer. The principles on which it works are based on the rebound impact of a hammer on a piston which rests against the surface of the concrete products the greater the resistance of the concrete, greater is the rebounded impact. By reading this rebound impact on a scale and relating it to curves on graphs supplied WIth the instrument, the resistance to compression in mpa or psi can be found, With 2o% of actual.
Product Features :
Manual hammers for the quick and easy determination of the strength of concrete
It is easy to use because the rebound hammer is light in weight, compact and can be easily carried in hand anywhere
The rebound hammer can be used for the concrete surface which is at the horizontal, vertical or intermediate angle
The rebound value is read from a graduated scale and is designated as the rebound number or rebound index
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