International Research Journal of Engineering and Technology (IRJET) Volume: 09 Issue: 07 | July 2022
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e-ISSN: 2395-0056 p-ISSN: 2395-0072
AN EXPERIMENTAL STUDY ON CONCRETE BY PARTIAL REPLACEMENT OF CEMENT WITH FLY ASH AND BENTONITE POWDER KOTA KIRANMAI1, P. SIVA SANKAR2 1PG-Scholar
(Structural Engineering) Professor Civil engineering Department Kallam Haranadha Reddy Institute of Technology , Chowdavaram, Guntur --------------------------------------------------------------------------***--------------------------------------------------------------------------(197 Billion Tons). Approx 75% of India’s installed power ABSTRACT :- Moment’s environmental problems are 2Assistant
is thermal, coal shares about 90% of it. Almost about 600 Million tons of coal is produced worldwide every year, with Fly ash production is about 500 MT at (60-78 %) of whole ash produced. In India, the generation of Fly Ash is nearly about 180 Million tons/year. Indian coal has high ash content and low heat value. In order to meet up the rising demands, many coal based thermal power plants have been constructed. As a result of which enormous amount of combusted residue in the form of Fly ash 80 %, and Bottom ash 20% has been formed. The finely dispersed particle from the burnt coal is discharge out through the flue gases which are separated mechanically through electrostatic precipitators and separators which are then composed together in the field of hoppers.
more and more important. The artificial area produces lost of waste accoutrements . One of the most useful ways to break these problems is the consumption of these waste accoutrements in concrete. Conventional concrete is the most considerably used construction material world wide, both in moderate and strong aggressive surroundings. The main ideal of the work is to find out the effectiveness of Fly ash and Bentonite inclusively on the concrete strength. In this work cement is incompletely replaced with Fly ash and Bentonite greasepaint. By replacing recycled accoutrements we can minimize the environmental hazards and safe guarding the natural coffers. Major problem associated with cover ash is its disposal a large area of land needed for disposal and toxin associated with heavy essence percolated to ground water. Strength characteristics are studied by varying of Fly ash- Bentonite blend as a relief of cement in M40 grade concrete. Cement is replaced incompletely with Bentonite by 0, 10, 20 and 30 and Fly ash by 0, 5, 10 and 15. Compressive strength and Split tensile strength were conducted as per Indian Standard law of procedure. samples were casted and tests were conducted after 7 and 28 days of curing in water. Test results for each variation are tabled and bandied in details and some important conclusions are made.
The rate of manufacturing of FA is high and it goes on increasing year after year. The annual production of FA in China, India and US is approximated about 275 MMT (million metric tons). But less than half of this is consumed in different areas. The greatest challenge before handing out and manufacturing industries is the removal of the residual waste products. The harmful impact on the surroundings suggests the necessity for appropriate discarding of fly ash and justifies full utilization of FA when feasible. Waste products that are generally toxic, reactive have harmful environmental consequences. This important issue requires an efficient, economic and eco- friendly method to tackle with the dumping of industrial waste products. The problem with safe disposal of ash is it requires large storage area and it disturbs the environment and ecological balance.
Key words: Cement, Bentonite, Fly ash, Compressive Strength, Split tensile.
I INTRODUCTION The entire growth of a country depends on the production value of power and consequently its consumption as energy. Our country, needs huge power resources to meet the prospect of its occupant as well as its aim to be a develop nation. Fossil fuel plays an essential part in meeting the demand for power generation .Coal is considered to be one of the world’s richest and broadly distributed fossil fuel. India has the third largest production of coal and fourth largest coal reserves approx.
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Objective of the work:
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To Main Objective of this project work is to find Compressive Strength and Split Tensile strength of Concrete by partially replacing cement with Fly ash and Bentonite powder.
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