International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395 0056
Volume: 04 Issue: 03 | Mar -2017
p-ISSN: 2395-0072
www.irjet.net
EFFECT OF LIMEWATER ON THE PROPERTIES OF BINARY BLENDED CEMENTITIOUS COMPOSITE MINNALKODI. G1, Dr. DHANALAKSHMI. G2 1M.E.
(Structural Engineering), Department of Civil Engineering, Oxford Engineering College, Tiruchirappalli, Tamilnadu , India
2Professor
& Head, Department of Civil Engineering, Oxford Engineering College, Tiruchirappalli, Tamilnadu, India
---------------------------------------------------------------------***--------------------------------------------------------------------Abstract - Industrial byproducts can be utilized to
taking on the most inspirational forms. Engineers and
enhance
permeability
Scientists are further trying to increase the limits with
characteristics of High Performance Concrete (HPC). The
the help of innovative chemical admixtures and various
utilization of these industrial by products is becoming
Supplementary Cementitious Materials (SCMs). More
popular
the
strength
and
water
of
the
recently, strict environmental – pollution controls and
effects
on
regulations have produced an increase in the industrial
environment. This study is planned to investigate the
wastes and their byproducts which can be used as SCMs
properties of Portland cement mixtures containing silica
such as fly ash, silica fume, and ground granulated blast
fume and mixed with saturated lime water. The main
furnace slag, etc. The use of SCMs in concrete
parameters were; type of mixing solution (water and lime-
constructions not only prevents these materials to check
water) as well as the percentage of Portland cement
the pollution but also to enhance the properties of
replaced by silica fume in various percentages such as
concrete in fresh and hydrated states. Silica fume is
10%, 20%, 30%, 40% and 50%. Initial and final setting
added to Portland Cement concrete to improve its
time of cement, compressive strength development and
properties, in particular its compressive strength, tensile
tensile strength are the investigated properties in this
strength, flexural strength and abrasion resistance.
work. The test results showed that using lime-water in
These improvements stems from the mechanical
mixing delays both initial and final setting times
improvements resulting from addition of very fine
compared with normal water due to the common ion
powder to the cement paste mix and the pozzolanic
effect principles and the compressive strength, tensile
reactions between the silica fume and free calcium
strength and flexural strength are increased.
hydroxide in the paste. Hydrated lime was used as an
throughout
minimization
Key
words:
of
the
potential
world
because
hazardous
Lime-Water, Portland
cement,
Silica
Fume, Consistency, Setting time, Mechanical properties.
admixture in poured concrete in the beginning of the 20th century. This was due to the improved water tightness and impermeability. However, this use has largely disappeared due to increasing strength, finer grinding of Portland cement. From the other points of
1. INTRODUCTION
view, the employment of pozzolan mixed with lime, of Concrete is a mixture of cement, sand, coarse aggregate
similar fineness to that of the OPC. It will reduce the risk
and water. Its success lies in its versatility as can be
of concrete decalcification, even for large substitution of
designed to withstand most harsh environments while
volumes starting by the pH rising of the water contained
Š 2017, IRJET
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