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India | Civil Engineering | Volume 7 Issue 3, March 2019 | Pages: 36 - 39
Non Destructive Test - A Tool in Structural Audit
Abstract: Engineering structures with age greater than 30 years tends to detoriate due to reduced strength. Health examination of such concrete structure termed ?Structural audit? becomes necessary.The current study aims at establishing the comparative strength of concrete member on concrete test specimen and RCC members at site. This will give an assesment of actual structural strength of concrete on the specimen tested in the laboratory and that actual used for concreting. Strength of specicemen and structural member were tested using different Non Destructive Testig(NDT) methods like Rebound hammer and Ultrasonic Pulse Velocity(UPV) test to understand varying nature of the strength by different NDT test to arrive at optimum value of structural stability. The tests showed that the strength of concrete differed between Rebound hammer and UPV. Hence necessary decision for suitable measure for structural stability should be based on the further analysis from advanced non destructive testing instruments.
Keywords: Structural Audit, Comparative strength, NDT,UPV, Structural stability.
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