Fracture behaviour of concrete containing limestone fines-Reference-Cited by-同舟云学术

Fracture behaviour of concrete containing limestone fines

Published:2014-06 Issue:3 Volume:167 Page:162-170
ISSN:1747-650X
Container-title:Proceedings of the Institution of Civil Engineers - Construction Materials
language:en
Short-container-title:Proceedings of the Institution of Civil Engineers - Construction Materials

Author:

Menadi Belkacem¹,Kenai Said²,Khatib Jamal M³

Affiliation:

1. Senior Lecturer of Construction Materials, Geomaterials Laboratory, Civil Engineering Department, University of Blida, Blida, Algeria

2. Professor of Construction Materials, Geomaterials Laboratory, Civil Engineering Department, University of Blida, Blida, Algeria

3. Professor of Construction Materials, Faculty of Science and Engineering, University of Wolverhampton, UK

Abstract

The use of limestone fines as partial replacement of cement can lower the cost of concrete, protect the environment by reducing carbon dioxide emissions and thus contribute towards sustainable development. The effect of incorporating limestone fines on the mechanical and durability properties of mortar and concrete has been thoroughly investigated. However, little research has been done so far on the fracture behaviour of mortar and concrete beams containing limestone fines. In the present study, the effect of limestone as partial replacement of cement on strength and fracture behaviour of mortar and concrete was investigated. This was carried out experimentally by determining the load–deflection curves of concrete or mortar using the three-point flexural tests on notched samples so that the material characteristics at rupture, such as the fracture energy GF and fracture toughness, KI (stress intensity factor) for mode I of fracture could be deduced. The results showed that strength and fracture parameters were reduced with the increase of limestone fines in cement for both notched mortar and concrete beams.

Publisher

Thomas Telford Ltd.

Subject

Mechanics of Materials,General Materials Science,Civil and Structural Engineering

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/coma.12.00041

Reference36 articles.

1. The effect of stone dust content in sand

2. BSI. EN 196-3. Methods of testing cement, determination of setting time and soundness.2005, BSI, London, UK.

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