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
Experimental study on strength properties of geopolymer concrete Ms.Renuka.P1, Mr.Ashik Mohamed .M2 1
PG Student, Department of Civil Engineering, Chendhuran College of Engg. & Tech. Pudukkottai.
2 Assistant
Professor, Department of Civil Engineering,Chendhuran College of Engg. & Tech. Pudukkottai.
---------------------------------------------------------------------***--------------------------------------------------------------------material by the community. Concrete is
Abstract- The Ordinary Portland Cement (OPC), which is widely used material not only consumes
conventionally produced by using the Ordinary
significant
Portland cement (OPC) as the primary binder. The
amount
of
natural
resources
and
energy but also pollutes the atmosphere by the
environmental
emission of CO2, So reduce this ill effect, the
production of OPC are well known. The amount of
search
geopolymer
the carbon dioxide released during the manufacture
concrete. In this work, low calcium class F fly ash
of OPC due to the calcination of limestone and
is used as the base material. This paper presents
combustion of fossil fuel is in the order of one ton for
the results of an experimental investigation to
every ton of OPC produced. In addition, the amount
determine the performance characteristics of
of energy required to produce OPC is only next to
geopolymer reinforced concrete. Two kinds of
steel and aluminium.
for
alternative result
is
systems are considered in this study using 100%
issues
associated
with
the
On the other side, the abundance and availability
replacement of cement by ASTM class Fly ash.
of fly ash worldwide create opportunity to utilise
The beams were made with Geopolymer concrete
this
having compressive strength in the range of M20 -
by-product
of
burning
coal,
replacement or as performance
M35 by heat curing. The ratio between sodium
as
partial
enhancer
for
OPC. Fly ash is itself does not possess the
hydroxide to sodium silicate solution is 1:2.5. The
binding properties, except for the high calcium or
specimen was cured at 60ËšC for 24 hrs. The
ASTM Class C fly ash. However, in the presence of
compressive strength test was performed after the curing period and strain was also measured using LVDT. An empirical formula is derived for fly ash
water
and
reacts
with
in the
ambient
temperature,
fly
ash
calcium hydroxide during the
hydration process of OPC to form the calcium silicate
based Geopolymer concrete using the results from
hydrate (C-S-H) gel. This pozzolanic action happens
experimental work.
when fly ash is added to OPC as a partial
Key Words: Geopolymer, Sodium Hydroxide, Sodium
replacement or as an admixture.
Silicate, fly ash,
The development and application of high volume fly ash concrete, which enabled the replacement of
1.INTRODUCTION
OPC up to 60-65% by mass can be regarded as a The wood, concrete is the most often used Š 2017, IRJET
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