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September 2022

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title

TO STUDY THE STRENGTH CHARACTERSTICS OF CONCRETE BY REPLACING CURING WATER WITH SELF CURING COMPOUNDS

Author(s):

Echambadi s Babu

Keywords:

Concrete, Cement, Curing Compound, Polymer, Admixture, Durability.

Abstract

As the portion of advance materials, cement is a most widely utilized material because of its strength and durability properties. Reliant upon the type of work, the cement, fine aggregates, coarse aggregates and water are mixed at various levels to produce plain concrete. Conventional concrete necessities curing for a time of 28 days for better hydration and to attain pronounced compressive strength. Without accurate curing, the concrete will poorly impact the strength and durability. Self-curing concrete is one of the distinct concrete to setback the issues like inadequate curing because of the human negligence and in areas wherever inadequate water is present. Regular studies are completed on behalf of the convention of self-curing concrete. In this current effort the Shrinkage Reducing Admixture of PEG-4000 and Super Absorbent Polymer (Sodium poly acrylate) make use of the self-curing agent at dissimilar ranges of 1.5% and 3%& 0.1% to 0.5% by the weight of cement in concrete which assistances in self-curing and in better hydration in addition to it, it gives good compressive strength. The main objective of this work is to generate M30 grade of concrete by way of using the admixture of PEG-4000 and internal curing agent to the weight of cement and to estimate the mechanical and durability properties at different ages i.e., 3days, 7days, 28days, 56days and 90days. The split tensile test, Non-destructive test were showed at 28days. Durability tests like RCPT were directed for 60days. The results publicized that by taking 1.5%SRA at 0.2%SAP to the weight of cement, we observed that 13% greater than before in compressive strength, 24% improvement in split tensile strength once compared with conventional concrete. By means of increasing the proportion of SAP to the weight of cement the compressive strength and tensile strength were reduced. The durability test i.e., RCP T test results published that the concrete quality is moderate for conventional curing concrete, 1.5%SRA at 0.1%, 0.2%SAP & 3%SRA at 0.1%,0.2% SAP specimens.

Other Details

Paper ID: IJSARTV
Published in: Volume : 8, Issue : 5
Publication Date: 5/4/2022

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