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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

Alkali-Silica Reaction (ASR) Control in Concrete by using different Portland Cement

( Volume 8 Issue 3,March 2021 ) OPEN ACCESS
Author(s):

Ravi Agarwal, Nisheeth Agnihotri, U S Vidyarthi

Keywords:

Alkali-Aggregate Reactions, Accelerated Mortar Bar, Aggregate OPC, PPC, PSC, Gel, Expansion.

Abstract:

Alkali-silica reaction (ASR) is the chemical reaction that occurs between alkali cations and hydroxyl ions in the pore solution of hydrated cement paste and certain reactive silica phases present in the aggregates used in concrete. Most aggregates are chemically stable in hydraulic cement concrete without deleterious interaction with other concrete constituent materials. Alkali silica reaction is potentially a very disruptive reaction within concrete in which silica reacts with alkalis to form a gel which expands and disrupts its mechanical properties. The aim of the current study was to determine the effect of using Ordinary Portland Cement, Portland Pozzolana Cement and Portland Slag Cement on Alkali silica reaction expansion. The outcome of the study is presented in this paper which is effective in controlling Alkali silica reaction.

 

 

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