Effect of Curing Types on Compressive Strength of Recycled Aggregates Concrete

  • Ali Raza Department of Civil Engineering, QUEST, Nawabshah, Sindh, Pakistan
  • Basheer Ahmed Memon Department of Civil Engineering, QUEST, Nawabshah, Sindh, Pakistan
  • Mahboob Oad Department of Civil Engineering, QUEST, Nawabshah, Sindh, Pakistan
Keywords: Green concrete, recycled concrete aggregates, curing types, compressive strength.

Abstract

In this research article, we analyze the effect of curing methods on compressive strength of recycled aggregates
concrete prepared with 50% replacement of natural coarse aggregates as well as coarse aggregates from demolishing
waste. We prepare 30 standard size cubes in six batches. In all batches 1:2:4 mix with 0.45 water cement ratio
is used. One batch of the cubes is casted with all conventional aggregates. Five curing methods, i.e., water, air,
gunny bags, steam and waste water are used to cure the specimens for 28 days. Our compressive strength results
show that curing by gunny bags gives better strength results and helps in strength improvement of the recycled
aggregate concrete. It is further observed that the compressive strength of the proposed specimens with gunny bags
increases by 1.67% in comparison with compressive strength of conventional concrete specimens. Our experimental
study shows that the use of demolished waste as coarse aggregates in new concrete along with appropriate curing
method has promising results in terms of compressive strength.

Published
1931-12-20
How to Cite
Raza, A., Memon, B., & Oad, M. (1931). Effect of Curing Types on Compressive Strength of Recycled Aggregates Concrete. Quaid-E-Awam University Research Journal of Engineering, Science & Technology, Nawabshah., 17(2), 7-12. Retrieved from http://publications.quest.edu.pk/ojs-3.1.1-4/index.php/qrj/article/view/101