Volume 4, Issue 1, June 2020, Page: 27-32
Compressive Behaviour of Steel Fiber Reinforced Concrete Exposed to Chemical Attack
Kesava Raju Vegesana, Department of Civil Engg, Andhra University, Visakhapatnam, India
Srinivasa Rao Killamsetty, Department of Civil Engg, Andhra University, Visakhapatnam, India
Received: Apr. 29, 2020;       Accepted: May 25, 2020;       Published: Jun. 9, 2020
DOI: 10.11648/j.ajcbm.20200401.15      View  195      Downloads  63
Abstract
In this modern age, Civil engineering constructions have their own structural and durability requirements, every structure has its own intended purpose and hence to meet this purpose, modification in traditional concrete has become mandatory. It has been found that steel fibers added in specific percentage to concrete improves durability of structure. The present study aims at comparing the durability in terms of weight loss and reduction in compressive strength of controlled concrete (with 0% steel fibers) and steel fiber reinforced concrete (with3% steel fibers), when exposed to acid, Sulphate and chloride attack. The grade of concrete designed for the study is M30. Hookend steel fibers with aspect ratio 50 at 0% and 3% of weight of cement are used. The specimens of 150 × 150 × 150 mm cubes are casted to find the weight loss and compressive strength of concrete. The specimens were demoulded after 24hours from the time of casting and the specimens are kept underwater for a period of 28days after that the specimens are immersed in the 5% concentrated solutions of H2So4, MgSo4 and Nacl for a period of 30, 60, 90, 120, 150 and 180days. The experimental studies revealed that the steel fiber reinforced concrete is performed better than that with controlled concrete after exposed to the chemical attack.
Keywords
Steel Fibers, Weight Loss, Compressive Strength, Acid Attack, Sulphate Attack, Chloride Attack
To cite this article
Kesava Raju Vegesana, Srinivasa Rao Killamsetty, Compressive Behaviour of Steel Fiber Reinforced Concrete Exposed to Chemical Attack, American Journal of Construction and Building Materials. Vol. 4, No. 1, 2020, pp. 27-32. doi: 10.11648/j.ajcbm.20200401.15
Copyright
Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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