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Study on Properties of Rice Husk Ash and its Use as Additive Material on Concrete

Author(s):

Amitabh Satpathi , BHILAI INSTITUTE OF TECHNOLOGY DURG; Mr. A. A. Qureshi, BHILAI INSTITUTE OF TECHNOLOGY DURG

Keywords:

Rice Husk Ash, Additive Material, Concrete

Abstract

Rice Husk Ash (RHA)is a by-product of the agricultural industry which contains high amount of silicon dioxide(SiO2). In this research, for the first time in the Middle East, in order to supply typical RHA, a special furnace was designed and constructed in Amir kabir University of Technology. Afterwards, XRD and XRF technique were used to determine the amorphous silica content of the burnt rise husk. Attempts were made to determine the optimum temperature and duration of burning. Results show that temperature of 650 degrees centigrade and 60 minutes burning time are the best combination. Then various experiments were carried out to determine properties of concretes in corporating optimum RHA. Tests include compressive strength, splitting tensile strength, modulus of elasticity, water permeability and rapid chloride permeability test. Results show that concrete incorporating RHA had higher compressive strength, splitting tensile strength and modulus of elasticity at various ages compared with that of the control concrete. In addition, results show that RHA as an artificial pozzolanic material has enhanced the durability of RHA as an artificial pozzolanic material has enhanced the durability of RHA concretes and reduced the chloride diffusion.

Other Details

Paper ID: IJSRDV5I120326
Published in: Volume : 5, Issue : 12
Publication Date: 01/03/2018
Page(s): 829-832

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