Preparation of Fine Aggregate by Using Thermal Power Plant Waste by Pelletisation Technique

International Journal of Research and Scientific Innovation (IJRSI) | Volume V, Issue V, May 2018 | ISSN 2321–2705

Preparation of Fine Aggregate by Using Thermal Power Plant Waste by Pelletisation Technique

Pradeep Kumar¹, Kumuda V²

¹Technical Assistant Engineer, Mgnrega , Chikkaballapura District, Karnataka, India
²Assistant Professor, Department of Civil Engineering, EWIT, Bangalore, Karnataka, India

Abstract— Light weight concrete is booming in recent times due to scarcity of natural aggregates like sand. Over extraction of sand from the rivers and streams has affected the water holding capacity of the earth which is in turn affecting the groundwater recharge. Thus, this is an curbing issue for the sustainable management of the environment. On the other hand, rapid urbanization, increased economy constraints etc. are affecting the developmental activities, thus, necessitating the research for alternate resources. Fly ash which is the by product of thermal power plant (TPP) is generally land filled due to its un productivity after its use in the TPP. Thus, in the present study, an attempt has been made to use the fly ash for the manufacture of fine aggregates with small portion of cement using Pelletisation technique with varying proportions like 85:15, 90:10 and 95:05 of fly ash: cement respectively After preparation of FAFA with different proportion has listed above were tested for basic values like density and water absorption. After analyzing the results of all proportions 85:15 proportion FAFA were light weight and less water absorption when compare to other two proportions. FAFA were prepared with a proportion of 85:15 and checked for the physical properties like, sieve analysis, water absorption capacity, specific gravity, bulk density etc… and physical properties were maintained as per the Indian standards.

Key words: FAFA- fly ash fine aggregates, TPP – Thermal power plant, physical properties.

I. INTRODUCTION

With the advent of urbanization, the demand for concrete is growing exponentially. Thus a stress has been created on the natural resources like sand and coarse aggregates. The availability of natural sand due to increased and ever increasing demand necessitates the above research. However, precautions have to be taken regarding the strength parameters. Light weight concrete is the one in which the weight of concrete is less as compared to the conventional concrete. In order to obtain this, there is a need of material that can be used as an alternative. If the alternative material is a byproduct of some other process i.e. a waste material, the utilization of this product will also help in sustainable management of the Earth’s natural resources.

Read More