Coated Recycled Aggregate Concrete Exposed to Elevated Temperature

Coated Recycled Aggregate Concrete Exposed to Elevated Temperature

Article ID

MY0P5

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Coated Recycled Aggregate Concrete Exposed to Elevated Temperature

Dr. Arundeb Gupta Jadavpur University, India.

Somnath Ghosh

Saroj Mandal

DOI

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Abstract

An experimental investigation has been conducted to study the mechanical as well as micro structural properties of Recycled aggregate concrete (RAC) with uncoated and Geopolymer / Cement coated recycled aggregate exposed to elevated temperature. Fly ash (as replacement of cement) was added while making concrete. Cubes test specimens were prepared and cured under water for 28 days. Test specimens were exposed to different levels of temperature (400oC, 600oC, 800oC ) for a period of 6 hours in the muffle furnace. The reduction in compressive strength was observed are in the ranges from 23.4% to as high as 50.3% when exposed to different elevated temperature. MIP (Mercury intrusion porosimetry ) test was conducted to estimate the pore diameter and also to appreciate the change of total pore volume due to change of exposure temperature. SEM (Scanning electron microscopy) study was also done to appreciate the micro-structural change in recycled aggregate concrete.

Coated Recycled Aggregate Concrete Exposed to Elevated Temperature

Authors

Dr. Arundeb Gupta Jadavpur University, India.

Somnath Ghosh

Saroj Mandal

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How to Cite

Dr. Arundeb Gupta. 2012. “. Global Journal of Research in Engineering – E: Civil & Structural GJRE-E Volume 12 (GJRE Volume 12 Issue E3): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

GJRE Volume 12 Issue E3
Pg. 27- 32

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Submission Received June 13, 2012
Accepted July 4, 2012
Published July 15, 2012

Keywords

Coated Recycled aggregate Compressive Strength Concrete Elevated temperature Fly ash Geopolymer Mercury intrusion porosimetry Natural aggregate

Article Matrices

Total Score: 108

Country: India

Subject: Global Journal of Research in Engineering - E: Civil & Structural

Authors: Dr. Arundeb Gupta, Somnath Ghosh, Saroj Mandal (PhD/Dr. count: 1)

View Count (all-time): 167

Total Views (Real + Logic): 5286

Total Downloads (simulated): 2686

Publish Date: 2012 08, Tue

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Total Views: 5286

Total Downloads: 2686

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