02-08-2016, 11:58 AM
Abstract— Electronic waste is an emerging issue posing serious
pollution problems to the human and the environment. The
disposal of which is becoming a challenging problem. For solving
the disposal of large amount of E-waste material, reuse of Ewaste
in concrete industry is considered as the most feasible
application. Due to increase in cost of normal coarse aggregate it
has forced the civil engineers to find out suitable alternatives to
it. E-waste is used as one such alternative for coarse aggregate.
Owing to scarcity of coarse aggregate for the preparation of
concrete, partial replacement of E-waste with coarse aggregate
was attempted. The work was conducted on M20 grade mix. The
replacement of coarse aggregate with E-waste in the range of 0%,
5%, 10%, 15%, and 20%. Finally the mechanical properties and
durability of the concrete mix specimens obtained from the
addition of these materials is compared with control concrete
mix. The test results showed that a significant improvement in
compressive strength was achieved in the E-waste concrete
compared to conventional concrete and can be used effectively in
concrete. The reuse of E-waste results in waste reduction and
resources conservation.
INTRODUCTION
In the present scenario, no construction activity can be
imagined without using concrete. Concrete is the most widely
used building material in construction industry. The main
reason behind its popularity is its high strength and durability.
Today, the world is advancing too fast and our environment is
changing progressively. Attention is being focused on the
environment and safeguarding of natural resources and
recycling of wastes materials. One of the new waste materials
used in the concrete industry is E-waste. For solving the
disposal of large amount of E-waste material, reuse of E-waste
in concrete industry is considered as the most feasible
application.
Preparation of Test Specimens
For the purpose of testing specimens, various concrete
specimens were prepared for different mixes using rotating
drum mixer. Preparation of concrete specimens aggregates,
cement and E-waste was added. After thorough mixing, water
was added and the mixing was continued until a uniform mix
was obtained. The concrete was then placed in to the moulds
which were properly oiled. After placing of concrete in
moulds, proper compaction was given using the table vibrator.
For compressive strength test, cubes of size
150mmx150mmx150mm were cast. For splitting tensile
strength test, cylinders of size 150mm diameter and 300mm
height were cast and for flexural strength test, beams of size
150mmx100mmx100mm with and without reinforcement were
cast. Specimens thus prepared were demoulded after 24 hours
of casting and were kept in a curing tank for curing. For
durability test, cubes of 150mmx150mmx150mm were cast for
acid and sulphate attack. The durability test was done after 28
days of water curing. The dimensions of specimens used for
the present study are listed in Table 3.
pollution problems to the human and the environment. The
disposal of which is becoming a challenging problem. For solving
the disposal of large amount of E-waste material, reuse of Ewaste
in concrete industry is considered as the most feasible
application. Due to increase in cost of normal coarse aggregate it
has forced the civil engineers to find out suitable alternatives to
it. E-waste is used as one such alternative for coarse aggregate.
Owing to scarcity of coarse aggregate for the preparation of
concrete, partial replacement of E-waste with coarse aggregate
was attempted. The work was conducted on M20 grade mix. The
replacement of coarse aggregate with E-waste in the range of 0%,
5%, 10%, 15%, and 20%. Finally the mechanical properties and
durability of the concrete mix specimens obtained from the
addition of these materials is compared with control concrete
mix. The test results showed that a significant improvement in
compressive strength was achieved in the E-waste concrete
compared to conventional concrete and can be used effectively in
concrete. The reuse of E-waste results in waste reduction and
resources conservation.
INTRODUCTION
In the present scenario, no construction activity can be
imagined without using concrete. Concrete is the most widely
used building material in construction industry. The main
reason behind its popularity is its high strength and durability.
Today, the world is advancing too fast and our environment is
changing progressively. Attention is being focused on the
environment and safeguarding of natural resources and
recycling of wastes materials. One of the new waste materials
used in the concrete industry is E-waste. For solving the
disposal of large amount of E-waste material, reuse of E-waste
in concrete industry is considered as the most feasible
application.
Preparation of Test Specimens
For the purpose of testing specimens, various concrete
specimens were prepared for different mixes using rotating
drum mixer. Preparation of concrete specimens aggregates,
cement and E-waste was added. After thorough mixing, water
was added and the mixing was continued until a uniform mix
was obtained. The concrete was then placed in to the moulds
which were properly oiled. After placing of concrete in
moulds, proper compaction was given using the table vibrator.
For compressive strength test, cubes of size
150mmx150mmx150mm were cast. For splitting tensile
strength test, cylinders of size 150mm diameter and 300mm
height were cast and for flexural strength test, beams of size
150mmx100mmx100mm with and without reinforcement were
cast. Specimens thus prepared were demoulded after 24 hours
of casting and were kept in a curing tank for curing. For
durability test, cubes of 150mmx150mmx150mm were cast for
acid and sulphate attack. The durability test was done after 28
days of water curing. The dimensions of specimens used for
the present study are listed in Table 3.
