Performance enhancement of recycled aggregate concrete - an experimental study

Name: Jagan, Sivamani.

Organization : Kalasalingam Academy of Research and Education. Department of Civil Engineering

Name: Neelakantan, Thurvas Renganathan.

Organization : Kalasalingam Academy of Research and Education. Department of Civil Engineering

Name: Saravanakumar, Palaniraj.

Organization : Sri Krishna College of Engineering and Technology. Department of Civil Engineering

keyword: Recycled aggregate concrete.

LCSH: AGGREGATES (BUILDING MATERIALS) -- MECHANICAL PROPERTIES.

Abstract: Extensive studies have been performed on the mechanical and durability properties of the concrete prepared with recycled coarse aggregates (RCA), however, only modest consideration has been given to the studies on the behaviour of RAC prepared by alternative mixing approach techniques. This study presents the mechanical properties of the recycled aggregate concrete (RAC) with different percentages of RCA prepared by normal mixing approach (NMA), two-stage mixing approach (TSMA) and sand enveloped mixing approach (SEMA) techniques. The manufactured concrete mixtures were tested for compression, tension, flexure and elastic modulus at 7, 28 and 90 days. The results indicate that the mechanical properties of the RAC (with 100 percent of RCA) prepared through TSMA and SEMA were improved by 9.36 and 12.14 percent at 28 days. Perhaps, prolonged curing to TSMA and SEMA mixtures improved the mechanical properties of the RAC that is nearly equal to normal aggregate concrete (NAC) prepared by NMA.

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2022

Modified: 2564-12-22

Issued: 2021-12-22

บทความ/Article

application/pdf

BibliograpyCitation : APPLIED SCIENCE AND ENGINEERING PROGRESS. vol. 15, no. 1 (Jan.-Mar. 2022), p. 1-10.

eng

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