Experimental Study on Damage Diagnosis of Reinforced Concrete Beam with Acoustic Emission

Abstract:

The concretes non-destructive inspection technology take does not harm the concretes component's operational performance as the premise, the application many kinds of physics principles and the chemical phenomenon, carries on the effective examination and the test to the structural element, in order to appraises their continuity, the integrity, the security reliability and certain physical property, including is examined in the material and the component whether to have the flaw, and to the flaw shape, the size, the position, the orientation, the distribution and situations and so on content carries on the judgment. The acoustic emission technology is one kind of dynamic non-destructive inspection technology, moreover sound transmitting message from flaw itself, therefore, may judge the flaw with the sofar efflux the gravity. A similar size, uniform quality flaw, when they receive the stress condition and locates when the position is different, is also different to the structure extent of damage, therefore their acoustic emission characteristic also has the difference.

• Periodical: Advanced Materials Research (Volumes 150-151)
• Pages: 517-521
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.150-151.517
• Online since: October 2010
• Authors: Alan Jiang
• Keywords: Acoustic Emission (AE), Crack, Damage Diagnosis, Non-Destructive Inspection, Reinforced Concrete (RC) Beam

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