Abstract

Present scenario of construction industry is facing problems of organizations of by-product materials like disposal and ground water contamination etc. that are producing naturally in the process of converting one form to other. Scientific experts are trying to create new building materials from these by-product materials that will fit in current situations to avoid damage to society and environment. The addition of these by-product materials to make new building materials makes the environment stable and also produces the durable building products. Aerated concrete is one which uses some of these by-products like fly ash, GGBS etc. and reduces the use of natural sand and cement with enhanced mechanical properties like compressive and tensile strength. As aerated is concrete is poor in flexural strength to improve this property steel fibres are used in proportion This paper mainly focuses on the mechanical properties of aerated concrete like compressive, tensile and pull-out strength with and without addition of steel fibres. After addition of fibres mechanical properties are enhanced up to certain extant.

Highlights

  • Concrete, the existing most used material in civil engineering projects

  • Aerated concrete is the one which is produced by adding aluminium powder to cementitious and non-cementitious materials slurry

  • This paper deals with the production of Aerated concrete by adding a varying percentage of aluminium powder to the cementitious slurry

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Summary

INTRODUCTION

The existing most used material in civil engineering projects. It is produced worldwide directly or indirectly by adding chemical and mineral admixtures. Results in production of hydrogen gas, which in turn creates pores in it These mixtures when added with fibers, it will change mechanical properties of the mix. Aerated concrete does not require any additional mortar because it looks same appearance as finished mortar coat. S. Gopalakrishnan et al [4,7] performed mechanical tests on aerated concrete like compressive, tensile and pull-out tests on AAC blocks. Gopalakrishnan et al [4,7] performed mechanical tests on aerated concrete like compressive, tensile and pull-out tests on AAC blocks In this literature surveys increase in bar diameter in pull out test shows an increase in pull out load because of more surface area. Muthu Krishnan [6] explained that increase in temperatures in autoclave beyond normal results in increase of compressive strength and water absorption by 10 percentage

METHODOLOGY
MIX DESIGN
AVERAGE WATER ABSORPTION OF CUBES
COMPRESSIVE STRENGTH
TENSILE STRENGTH
PULL OUT TEST
CONCLUSIONS
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