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Research Paper | Civil Engineering | India | Volume 11 Issue 3, March 2022

Preliminary Study of Development of Light Weight Concrete Blocks using Rice Husk Ash

Lalith Kumar | Manpreet Saini

Abstract: The most widely utilised building material is brick. Analyzing the cost, energy consumption, and carbon emission factors of traditional and non-conventional materials aids in identifying viable solutions for sustainable construction. Autoclaved Aerated Concrete (AAC) block, an eco?friendly material, gives a prospective solution to building construction. It can be as light as a quarter of the weight of traditional building pieces. Sand, cement, lime, fly ash, gypsum, aluminium powder, and water make up AAC, which is made up of readily available basic ingredients. By decreasing the dead load of walls/partitions on structural elements, the use of AAC blocks decreases construction costs by up to 20%. In this study, an attempt will be made to develop AAC blocks first using conventional materials, i. e. cement, calcined lime, gypsum, fly ash, and aluminum powder, and then replacing cement and calcined lime with suitable industrial waste in various proportions to achieve a similar strength as that of the conventional AAC blocks. Also, efforts will also be made to determine the best curing methodology and the curing time and temperatures. Tests such as compressive strength, density, water absorption, soundness, fire resistance, will also be conducted to determine the effect of the various material proportions or combinations on these properties.

Keywords: AAC blocks, compressive strength, density, industrial wastes, curing time

Edition: Volume 11 Issue 3, March 2022,

Pages: 1509 - 1512

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