Effect of Fly Ash on Compressive Strength of Mortar and Brick Aggregate Concrete

Open Access

Year : 2023 | Volume : | : | Page : –
By

Abdur R. Kaoser

Khan M. Amanat

Munaz A. Noor

  1. Ph.D. Student Department of Civil Engineering, Bangladesh University of Engineering and Technology Dhaka Bangladesh
  2. Professor Department of Civil Engineering, Bangladesh University of Engineering and Technology Dhaka Bangladesh

Abstract

This research work presents the influence of fly ash on compressive strength of mortar and brick aggregate concrete. A lot of tests were done about strength of fly ash concrete all over the world. In those experiments, stone chips were generally used as coarse aggregate. In this experiment, locally available materials such as burnt clay brick chips as coarse aggregate, sand and fly ash available in Bangladesh (Indian fly ash) were used. Compressive strength of mortar and concrete were tested as per ASTM C-109 and ASTM C39 respectively. Here nine different types of both mortar and concrete specimens were prepared based on w/c ratio and percent of fly ash replacement. It is noted that generally fly ash mortar and concrete gain strength slowly at early ages (up to 28 days) but they gain strength almost equal to plain mortar and concrete at later age (at 90 days). As fly ash is low cost material and fly ash mortar and concrete attain almost equal strength to plain mortar and concrete at later age, fly ash is to be used in mortar and concrete to reduce the construction cost.

Keywords: Compressive strength, OPC, brick aggregate, fly ash, w/c ratio, hydration

How to cite this article: Abdur R. Kaoser, Khan M. Amanat, Munaz A. Noor. Effect of Fly Ash on Compressive Strength of Mortar and Brick Aggregate Concrete. International Journal of Concrete Technology. 2023; ():-.
How to cite this URL: Abdur R. Kaoser, Khan M. Amanat, Munaz A. Noor. Effect of Fly Ash on Compressive Strength of Mortar and Brick Aggregate Concrete. International Journal of Concrete Technology. 2023; ():-. Available from: https://journals.stmjournals.com/ijct/article=2023/view=90441

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Open Access Article
Volume
Received January 20, 2021
Accepted February 20, 2021
Published February 20, 2023
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