β Scribed by D. Soulioti; N.M. Barkoula; A. Paipetis; T.E. Matikas; T. Shiotani; D.G. Aggelis
No coin nor oath required. For personal study only.
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.
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The paper presents some results from a continuing study of the marine durability of steel fibre reinforced concrete. Two steel fibre reinforced concrete marine mixes, one with and one without pfa, were developed which were reinforced with three t[pes of steel fibres. The cement content of the mixes