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An Experimental Study on the Rebound Degree Tendency of Linear Hitting Test Hammer
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 Title & Authors
An Experimental Study on the Rebound Degree Tendency of Linear Hitting Test Hammer
Ahn Hyo-Soo; Seo Chee-Ho;
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 Abstract
Recently, as the remodeling market gradually substitute for new construction market and safety diagnosis for reconstruction apartment become a matter of principal Interest, it is demanded that scientific diagnosis and evaluation for existing concrete structure state. And it is increasing that the significance for reliability of data which is used for estimating the concrete compressive strength by nondestructive test. As a result, it is found that different proposal to material age and hitting angle is good to improving the reliability of presumption of concrete compressive strength in the linear hitting rebound test hammer. And for the reason that mutual relation between the compressive strength and rebound degree is highest in linear hitting rebound test hammer 25mm in all portion according to early md middle material age and hitting angle except the early material age , analysis showed that linear hitting rebound test hammer is more reliable than existing schmidt hammer in presumption of concrete compressive strength.
 Keywords
nondestructive test;rebound test hammer;linear hitting;presumption;schmidt hammer;
 Language
Korean
 Cited by
 References
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