Gpc Abstract.pdf

Shear Strength of Fly ash based Geo-polymer Concrete Arnab Sen*a, Sumanth Kumar Bb, Prof D Ramaseshuc *Corresponding author email: [email protected] a Post Graduate Student, ,Dept. of Civil Engg., National Institute Technology Warangal, India b Research Scholar, Dept. of Civil Engg., National Institute Technology Warangal, India c Professor, Dept. of Civil Engg., National Institute Technology Warangal, India

Abstract :- Concrete is being acknowledged as the secondly most used material worldwide after water but unfortunately it is also the second largest generator of Carbon dioxide from cement production after the automobile industry. It has become inevitable to find a better suitable alternative for cement to reduce carbon footprint. Geo-polymer Concrete is in fact a step towards this direction in which Concrete is being produced without the use of Conventional cement. It also encourages the use of industrial wastes particularly that of thermal power plants such as fly ash which are basically used as binder due to its chemical action with alkaline solution viz sodium hydroxide and Sodium Silicate to produce in-organic molecule. The present application of Geo-polymer Concrete is mostly restricted to precast construction. In precast Construction connective distress is witnessed in shear interface regions where shear stresses may lead to sliding failure along well defined plane in structures like corbel, bearing shoe etc. This paper deals with interfacial shear strength study on fly ash based Geo-polymer concrete with the incorporation of Ground granulated blast slag (GGBS) for different grades of concrete without shear reinforcement and with varying percentage of shear reinforcement. The outcomes of the investigation will be compared with the methods currently used for reinforced Cement concrete structural members, and the results will be validated by application to a practical structural member. Keywords: Geo-polymer Concrete, Interfacial Shear Strength, Sliding Failure

Paper ID (To be added by Programme Committee)