Latest Civil Engineering Project free download with documentation

Civil Engineering Project free download with documentation

Fly Ash Bricks Masonry

Abstract:

         fly ash is waste generated from combustion of coal in power generation plants. Due to its pozzolanic properties, utilized in construction industry. In this paper Fal-G brick production process, uses of rap-trap bond in Fal-G brick masonry prism test study and economy have been described. The observations,limitation and suggestions in various areas have been described.

Keywords

-fly ash, rat-trap bond, prism test, environment, infrastructure, economy

INTRODUCTION

Fly ash is pozzolonic material which can be used in construction industry. The fly ash can be divided in two 

groups: Low calcium fly ash is produced from combustion of bituminous coals or anthracite coals. It has low calcium (CaO) percentage about 3% and silica + alumina + iron oxide more than 70%. High calcium fly ash is produced from combustion of sub-bituminous of lignite coals and it has about 20% of 

calcium (CaO) content and percentage of Sio2+Al2 03 +Fe203 in this fly is less than 70%.

To have better utilization of this fly ash as per Nation's  policy on fly ash, trial have been made for making of 

bricks using fly ash, lime, gypsum and sand or quarry  dust.FLY ASH-LIME-GYPSUM BRICKS

Fly ash-lime-gypsum bricks/blocks technology has been developed successfully by National Thermal Power 

Corporation  (NTPC),  Bhanu  International  and Ahmadabad  Electricity  Company  (AEC)  for

manufacturing bricks/blocks which can replace burnt  clay bricks as walling material.It is also known as Fly Ash-Lime-Gypsum (FaL-G) bricks. It is not a brand name but it is duct name, christened to the mix for easy identification of its ingredients.

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