Agro Waste Sugarcane Bagasse as a Cementitious Material for Reactive Powder Concrete

Selvadurai Sebastin, Arun Kumar Priya, Alagar Karthick, Ravishankar Sathyamurthy and Aritra Ghosh
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Selvadurai Sebastin: Department of Civil Engineering, National Engineering College, K.R.Nagar, Kovilpatti 628503, Tamilnadu, India
Arun Kumar Priya: Department of Civil Engineering, KPR Institute of Engineering and Technology, Avinashi Road, Arasur, Coimbatore 641407, Tamilnadu, India
Alagar Karthick: Department of Electrical and Electronics Engineering, KPR Institute of Engineering and Technology, Avinashi Road, Arasur, Coimbatore 641407, Tamilnadu, India
Ravishankar Sathyamurthy: Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Avinashi Road, Arasur, Coimbatore 641407, Tamilnadu, India
Aritra Ghosh: Environment and Sustainability Institute, University of Exeter, Penryn, Cornwall TR10 9FE, UK

Clean Technol., 2020, vol. 2, issue 4, 1-16

Abstract: In the field of advanced concrete science, the construction industry has risen to great heights. Due to its own characterisation, the manufacturing cost of reactive powder concrete (RPC) is very high. This can be minimised by substituting the components of the RPC with the aid of agro waste. Because of the production of sugar from the sugar cane industry, bagasse ash is abundantly available in India. It is not ideal for the direct replacement of ingredients in concrete because of the presence of carbon dioxide in bagasse ash. The study of bagasse ash’s actions under different temperatures and different exposure times is discussed in this paper. It is inferred from the findings obtained from the energy dispersive study of X-ray (EDAX) that the presence of reactive silica in bagasse ash could be substituted by RPC ingredients due to heat treatment. RPC is composed of exceptionally fine powders (cement, sand, quartz powder and silica smolder) and superplasticiser. The superplasticiser, utilised at its ideal dose, decreases the water to cement proportion (w/c) while enhancing the workability of the concrete. A thick matrix is accomplished by optimising the granular packing of the dry fine powders. This compactness gives RPC ultra-high quality and durability. Reactive powder concretes have compressive qualities extending from 200 to 800 MPa.

Keywords: bagasse ash; reactive powder concrete; heat treatment; EDAX analysis (search for similar items in EconPapers)
JEL-codes: Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2020
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