A Study on the Effect of Fly Ash on Hybrid Fibre Reinforced Concrete

Abstract

In the civil engineering practice concrete is the most common construction material that is used for construction. Since the concrete can be casted in any desirable shape, it has replaced the traditional constructional technique that used stones and brick masonry. Steel Structures results in the failure due to the corrosion of the steel by the salt and also a periodical maintenance and repairing are needed to enhance the life cycle of those civil structures. The present study is to investigate the effect of two different types of fibres on fly ash based concrete in terms of strength and flexural properties. The mechanical properties are given in terms of compressive, splitting tensile strength and flexural tests of hybrid fibre reinforced concrete with different percentages of fly ash. The use of hybrid fibres changes the mechanical properties of concrete specimens and prevents the settlement and shrinkage cracks. The steel fibres act as micro-bridges throughout the cracked concrete, transfer cracking stresses over a crack from one side to the other. The analysis includes the study in improving the different mechanical properties of hybrid fibre reinforced concrete.