Detection of the reinforcement corrosion in pre-stressed concrete girders
by Marta Korenska, Lubos Pazdera, Karel Pospisil
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 1, No. 3/4, 2006

Abstract: Pre-stressed reinforcement is a basic element of the structural stability in a great amount of concrete structures. The corrosion of reinforcement is a major cause of a failure of such structures. The paper deals with the usage of the acoustic emission method for testing pre-stressed concrete girders from corrosive damage point of view. The experimental test investigated acoustic emission method to evaluate deterioration of pre-stressed reinforced concrete girders during flexural tests under loadings. The result provide that acoustic emission was very sensitive to detect the initiation of microcracks generated near the interface between the pre-stressed reinforcement and concrete.

Online publication date: Thu, 07-Dec-2006

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