Experimental Study of Durability Indices of Recycled Aggregate Concrete Containing Fly Ash: A Review
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 2
Abstract
Concrete durability has been defined by the American Concrete Institute as its resistance to weathering action, chemical attack, abrasion and other degradation processes. Durability is the ability to last a long time without significant deterioration. The governing criterion in the design of reinforced concrete structures in the past, and to a large degree in the present, has been the strength requirement. If concrete strength is appropriate, then it is assumed that concrete in the structure is fine, and it is considered that concrete will take care of itself. But it is not likewise. The aspect of the durability of the concrete was not afforded as much attention. Consequently, many structures have shown signs of deterioration earlier than expected of their service life, which has resulted in the need for repair and rehabilitation of these structures, often at great cost. This implies that the durability is related to the material performance and environment and cannot be thought of as being an inherent property of the concrete. Thus, using strength as a guarantee of the concrete durability is not acceptable any longer. One of the main characteristics influencing the durability of concrete is its permeability to the ingress of water, oxygen, carbon dioxide, chloride, sulphate and other potentially deleterious substances.
Authors and Affiliations
N. M. Shaikh, Dr K. B. Parikh
Keywords
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- EP ID EP23188
- DOI http://doi.org/10.22214/ijraset.2017.2100
- Views 237
- Downloads 7
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