期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 23, 期 12, 页码 3532-3536出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2009.06.042
关键词
Acoustic emission; Bending; Concrete; Fracture; Steel fibres
The present paper describes the acoustic emission (AE) behavior of concrete under four-point bending. Steel fibres of varying content were used as reinforcement in concrete slabs and their influence on the fracture process and the acoustic activity was investigated. The total acoustic emission (AE) activity was found to be directly proportional to the fibre content. Analysis revealed that particular AE parameters change monotonically with the progress of damage and can be used for the characterization of the failure process. (C) 2009 Elsevier Ltd. All rights reserved.
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