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Fracture process zone in concrete tension specimen

Otsuka, K. / Date, H.

Experiments were carried out with X-rays using contrast medium and three-dimensional (3D) Acoustic Emission (AE) techniques to investigate the behaviour of the fracture process zone in concrete. The results show that, as the loading increases, a zone consisting of numerous microcracks accompanied by AE events develops ahead of the notch tip in the concrete compact tension specimen. The energy of each individual AE event was calculated and plotted on the (3D) map. The results obtained by the two methods were compared and related to provide a clear view of the fracture process zone of concrete.

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Fracture process zone in concrete tension specimen

Otsuka, K. / Date, H.

Experiments were carried out with X-rays using contrast medium and three-dimensional (3D) Acoustic Emission (AE) techniques to investigate the behaviour of the fracture process zone in concrete. The results show that, as the loading increases, a zone consisting of numerous microcracks accompanied by AE events develops ahead of the notch tip in the concrete compact tension specimen. The energy of each individual AE event was calculated and plotted on the (3D) map. The results obtained by the two methods were compared and related to provide a clear view of the fracture process zone of concrete.

Fracture process zone in concrete tension specimen

Otsuka, K. / Date, H.

Experiments were carried out with X-rays using contrast medium and three-dimensional (3D) Acoustic Emission (AE) techniques to investigate the behaviour of the fracture process zone in concrete. The results show that, as the loading increases, a zone consisting of numerous microcracks accompanied by AE events develops ahead of the notch tip in the concrete compact tension specimen. The energy of each individual AE event was calculated and plotted on the (3D) map. The results obtained by the two methods were compared and related to provide a clear view of the fracture process zone of concrete.

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Title:

Fracture process zone in concrete tension specimen

Additional title:

Bruchprozeßzone in Zugproben aus Beton

Contributors:

Otsuka, K. (author) / Date, H. (author)

Published in:

Engineering Fracture Mechanics ; 65 ; 111-131

Publication date:

2000

Size:

21 Seiten, 24 Bilder, 3 Tabellen, 13 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0013-7944(99)00111-3

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Beton , bruchmechanische Prüfung , Mikroriss , Schallemission , Schallemissionsprüfung , Röntgengrobstrukturuntersuchung , Rissausbreitung

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