International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 04 Issue: 08 | Aug -2017
p-ISSN: 2395-0072
www.irjet.net
Impact of Conventionally and Non-Conventionally Treated Waste Water on Characteristic Strength of Concrete Mr. Nisarg Shankar1, DR. Puttaraju2, Ms. Shree Latha B3, Ritesh L4 1,3 Assistant
Professor, Department of Civil Engineering, SJB Institute of Technology, Bengaluru, Karnataka, India 2Principal and Professor, SJB Institute of Technology, Bengaluru, Karnataka, India 4PG Student, Department of Civil Engineering, SJB Institute of Technology, Bengaluru, Karnataka, India ---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - Concrete may be cast into bricks, blocks, and
shaped, and cleanest aggregate makes the strongest and most durable concrete.
other relatively small building units, which are used in concrete construction. Concrete has a great variety of applications because it meets structural demands and lends itself to architectural treatment. The consumption of water is more for the concrete for its mixing and curing. Because of the scarcity of water now a days the alternate use of water for the concrete is made by considering two types of secondary treated water that is conventional and non-conventional treatment. Comparing the compressive strength of normal grade of concrete made by portable water with the secondary treated conventional and non-conventional type for different mix proportions of 0.35, 0.4 and 0.45 water cement ratios for 7,14 and 28 days the optimum type of secondary treated water is used for the concrete for its mix and also for its curing.
2.1 Need for the Study The need of a sustainably developed and environmental friendly concrete is aggravated by population growth and scarcity of water. The world population doubled from 1959 to 1999, increasing from 3 billion to 6 billion .According to the US Census Bureau, the world population is projected to reach nine billion by 2043. Thus it is expected that water recycling and conservation as a necessity.
2.2 Objectives
Key Words: Concrete, Compressive Strength, Conventional water, Non-Conventional water, Mix design, etc
1. INTRODUCTION
Concrete is the most commonly used building material. It has the advantage of being formed into any desired shape most conveniently. It is an artificial stone obtained by mixing aggregates, cement and water allowing these product to cure for hardening. The fine and coarse aggregates in a concrete mix are the inert, or inactive, ingredients. Cement and water are the active ingredients. Its essential ingredients are cement and water which react with each other chemically; to form another material having the useful strength .The strength of concrete depends upon the quality of its ingredients, their relative quantities and the manner in which they are mixed, compacted and cured. Concrete is the premier construction material across the world and the most widely used in all types of Civil Engineering works. Concrete, its total consumption is around twenty billions tones, which is equivalent to two tones for every living human being.
3. MATERIALS AND ITS PROPERTIES i. Portland cement is the most common type of cement in general usage. Normal consistency of cement=31% Fineness = (Mass of residue in gms/100) =1.8% Initial setting time of cement sample is found to be 45 min Final setting time of cement sample is found to be 325 min Specific gravity of cement = 3.24 ii. Coarse Aggregate Specific Gravity of coarse aggregate is 2.63 Water Absorption =0.67%
2. NEED AND OBJECTIVE OF THE STUDY
iii. Fine aggregate Specific Gravity of coarse aggregate is 2.6 The fine aggregate confines to zone I
The first requirement for good concrete is to use a cement type suitable for the work at hand and have a satisfactory supply of sand, coarse aggregate, and water. Everything else being equal, the mix with the best graded, strongest, best
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Impact Factor value: 5.181
To investigate the impact of conventionally and non-conventionally treated waste water for mixing and curing of concrete cube. To compare the compressive strength of the casted cubes for tap water, conventionally and nonconventionally treated waste water. To replace the usage of fresh water by treated water in the concrete mix. To get comparative analysis of test results.
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