use of waste plastics for road construction

USE OF WASTE PLASTICS
FOR ROAD
CONSTRUCTION
1
SUBMITTED BY:
ROHIT KUMAR
CSJMA14001390217
B.TECH 4 TH YEAR

Introduction
Plastic Road
Material used
Method of mixing
Advantages
Disadvantages
Conclusion
References
2

Plastic waste, consisting of carry bag, bottles,chair etc.
Plastic waste- hazard to environment.
Plastic waste-construction of flexible pavement.
3

A material that contain one or more organic
ploymers of large molecular weight, solid in its
finished state and at some state while manufacturing
or processing into finished articles, can be shaped by
its flow.
4

1. Thermosets 2. Elastomers 3. Thermoplastics
5

 Aggregates-
1-Stone dust and lime as filler
2-Aggregate of 20mm, 10mm
 Bitumen-
60/70 & 80/100 grade
 Waste plastic-
Waste plastic in the shredded form
6

1. Segregation
2. Cleaning process
3. Shredding process
4. Collection
7

Plastic waste collected from various sources must be
separated from other waste.
Maximum thickness of 60 microns.
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Plastic waste get cleaned and dried.
Removal of non plastic things.
9

 Shredded or cut into small piece.
 Plastic crushed into very fine parts which is easy to
mix and use.
10

The plastic waste retaining in 2.36 mm is collected.
11

1) Dry process
2) Wet process
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Aggregate mix. Is heated to 170c and then it is transferred to
mixing chamber.
Similarly bitumen is to be heated up to maximum 160c .
At the mixing chamber, the shredded plastics waste is added
over the hot aggregate.
The plastics waste coated aggregate is mixed with hot
bitumen.
The mixture is transferred to the road and road laid.
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Use high percentage of plastic waste.
Increase the strength and performance of the road.
No effect of radiation like UV.
The maintenance cost of the road is almost nil.
The cost of road construction is also decreased.
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Cleaning process- Toxic present in the co-mingled plastic
waste would start leaching.
During the road laying process in the presence of chlorine will
release noxious HCL gas.
The components of the road, once it has been laid, are not
inert.
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 Help to improve the environment.
 Plastic will increase the melting point of the bitumen.
 Devloped a technology , which is eco-friendly.
 Use of the innovative technology not only strengthened the
road construction but also increased the road life.
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Vasudevan Rajagopalan utilization of waste plastics for
flexible pavement, indian high ways (indian road congres)
vol.34,no.7(july 2006).
National rural devlopment agency.
ISI, “Indian standard specification for road tar” IS;215,Indian
standard Institution.
S.S verma,(2008), road from plastic waste, The indian
concrete journal ,pp,43-47.
19

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