Evaluation of Optimum Conditions for the Preparation of Banana Leaves Ash for Cement Substitute in Concrete

Abstract:

Due to the increasing consumption of concrete as a construction material, the demand for Cement has increased. Since the production of cement is a non-environment friendly and highly energy-intensive process, making it and ultimately construction costlier. Therefore, researchers around the world are finding a variety of alternatives to cement, including Agro-Industrial wastes that can lead us toward sustainability. This study also aims to evaluate the pozzolanic Characteristics of Banana leaves ash prepared from waste Banana leaves of Sindh to use a substitute of cement and establish the optimum Calcination temperature and duration to develop it. For this purpose, waste Banana leaves Obtained from Tando Allahyar, Sindh Pakistan were calcinated in a Muffle furnace in the dried, crushed form at various temperatures of 500 to 1000 degree Celsius with variations of 100°C, and keeping burning duration of 0.5 hr, 1hr, and 2hr for each temperature. The resulting ash was sieved through a No. 200 Sieve, and Pozzolanic reactivity was determined using a Compressive strength test on Mortar cubes and a Strength Activity index (SAI) test. The results showed that BLA developed at 900°C for 1 hour has the highest values of compressive strength and SAI as compared to all mixes, making it qualified for Pozzolanic material as per ASTM C618. The X-ray fluorescence test also supported these findings. Based on the experimental results, it was concluded that the Banana leaves ash (BLA) calcinated at 900°C for 1 hour and sieved through No. 200 are the optimum condition that can be used as a substitute for cement to produce eco-friendly and economical concrete.

• Periodical: Construction Technologies and Architecture (Volume 13)
• Pages: 67-74
• DOI: https://doi.org/10.4028/p-Lcd4lZ
• Online since: July 2024
• Authors: Mashood Rehman*, Talha Hussain, Abdul Manan
• Keywords: Agricultural Waste, Cement Substitute, Pozzolanic Material, Strength Activity Index

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