International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 06 Issue: 04 | Apr 2019
p-ISSN: 2395-0072
www.irjet.net
A REVIEW ON ENGINEERED CEMENTITIOUS COMPOSITE (ECC) Miss. Swati A. Labhasetwar1, Mr. Shyam S. Chaudhary2, Mr. Shivaji V. Chavan3, Mr. Mohd. Saddam Shah4, Manish R. Bhatkar5 1234Civil 5Assistant
Abstract:
Engineering Department, Jagadambha College of Engg. & Tech., Yavatmal, Maharashtra, India
Professor, Dept. of Civil Engg, Jagadambha College of Engg. & Tech., Yavatmal, Maharashtra, India concrete is induced by the fibres admitted to the
Bendable concrete is also known as ECC
concrete. The concrete is produced with 2% of
(Engineered Cementitious composites) is a class of ultracomposite
optimal volume of different fibres. ECC flexes
characterised by high ductility and tight crack with
without fracturing, due to the interaction between
control. Bendable concrete is an easily moulded mortor
fibres, sand, and cement working in a matrix that
based composite reinforced with specially selected short
binds everything together within the material. In
random fiber (PVA) Polyvinyl alcohole fiber. This material
addition to reinforcing, the concrete with fibres,
is capable to exhibit considerably enhanced flexibility an
acts as ligaments to bond it more tightly. Due to this
ECC has a strain carrying capacity more than 3 per as
instead of fracturing, the material undergoes a
ductile
fiber
reinforced
cementitious
compared to conventional concrete ie:0.01per this acts
process called micro-cracking, wherein the energy
more like a ductile metal rather than like a brittle glass in
of the tensile strain is diffused into a number of tiny
this paper literature survey on properties of bendable
cracks producing cracks of extremely small size,
concrete in terms of compressive strength and flexural strength.
averaging less than 60 Âľm in width, roughly half the
Key Words: ECC-engineered cementitious composite,
width of a human hair (Kalepalli,2006). Initially
PVA-
self-healing concrete costs roughly three times as
polyvinyl
alcohol
fiber,
flexural
strength,
much as conventional concrete. But its lower
compressive strength
lifecycle cost is ascribed to lower repair frequency
1.INTRODUCTION: Engineered
Cementitious
and lesser consumption of materials due to its Composites
higher ductility and durability which leads to
developed in the last decade, will contribute to
savings in the cost.
safer, more durable, and sustainable concrete infra-
Conventional
structure that is cost-effective. This concrete has
bendability is a major cause of failure under strain
strain capacity of about 3 to 5% as compared to
and has been a pushing factor in the development
0.01% of normal (conventional) concrete. ECC is a
of an elegant material namely, bendable concrete.
unique class of high-performance fiber-reinforced
This material is capable to exhibit considerably
cementitious composites featuring high tensile
enhanced flexibility. A bendable concrete is
ductility and durability. Flexural strength to the Impact Factor value: 7.211
almost
making them highly brittle and rigid. This lack of
with conventional equipment. This concrete has
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are
unbendable and have a strain capacity of only 0.1%
the strain-hardening property but can be processed
Š 2019, IRJET
concretes
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ISO 9001:2008 Certified Journal
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