ppt , v.abhinav
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PAPER PRESENTATION
:-
Top ic Pla stic R oa d s
By:-K.Abhinav Kumar,
Civil 3rd year,
CMRIT. AndV.Abhinav Koundinya,
Civil 3rd year,
CMRIT.
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PLASTICROADS
-For greening our
constructions
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INTRODUCTION Plastic use in roadconstruction is not new.Recent studies in thisdirection have shown somehope in terms of using plastic-waste in road construction
i.e., Plastic roads. Plasticroads mainly use plastic carry-bags, disposable cups andPET bottles that are collectedfrom garbage dumps as an
important ingredient of theconstruction material. Whenmixed with hot bitumen,plastics melt to form an oilycoat over the aggregate andthe mixture is laid on the road
surface like a normal tar road.
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PALSTIC ROADS IN BANGALORE
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What is Plastic??
A plastic material is any of a wide range ofsynthetic
or semi-synthetic organic amorphous solidsused in the manufacture of industrial products.Plastics are typically polymers of high molecular
mass
and may contain other substances to improveperfo--rmance and/or reduce costs. Monomers of plast
are
either natural or synthetic organic compounds.
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Strewn acrossfields, they blockgermination and
prevent rainwaterabsorption by soil.Recycling plasticby meltingreleases fumes,and is onlypossible 3-4 times.Toxic contentsmight leach into
recycled water-
- -i s c a r d ed t h i n p l a s t i c c a r r y b a g s a r e a. ,e n a c e I n t o w n t h e y c l o g d r a i n s c a u s e
,l o o d in g c h o k e a n i m a l s t h a t e a t t h e m.n d ar e u n s i g h t l y
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PLASTIC WASTE, HAZARDOUS TOEARTH
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ASIC PROCESSES . .Segregation. .Cleaning process. .Shredding process. ollection process .
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1.SEGRAGATION
plastic waste collected fromvarious sources must be separated from other
waste. Maximum thickness of 60 microns.
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2. CLEANING PROCESS
Plastic waste get cleaned and dried.
cleaning process
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3. SHREDDING PROCESS
will be shredded or cut into smallpiece.
the different types of plastic wastesare mixed together
shredding process
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4. COLLECTION PROCESS
the plastic waste retaining in 2.36 mmis collected.
collected plastic
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FIELD TRIALS
There are twotype of fieldtrials
1. DRY PROCESS
2.WET PROCESS
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1.DRY PROCESS
The aggregate is heated to 170C inthe Mini hot Mix Plant .
Heated aggregates
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h e sh re d d e d p la stic w a ste is a d d e dn eq u alp ro p o rtio n .
Adding shredded plastic
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- -ggregate plasticitumen Mix
he mixture is transferred to the.oad and the road is laid
mmediately the hot Bitumen /0 70 or80/ 00 grade
mmediately the hot Bitumen /0 70 or80/ 00 grade ( )60 C s added .
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2.Wet Process
Waste plastics by direct mixing
with hot bitumen at 160C
Mechanical stirrer is needed
Addition of stabilizers and propercooling.
Since the wet process require a lot
of investment and bigger plants Not commonly used..
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ADVANTAGES OF PLASTIC
ROAD Use higher percentage of plasticwaste. Reduce the need of bitumen by
around 10%. Increase the strength and
performance of the road. Reduce the cost to around Rs.
5000/Km. of single lane road. Generate jobs for rag pickers. Develop a technology, which is eco-
friendly. 100% improvement in fatigue life of roads. Reduced penetration and ductility, a higher
softening point, less rutting and coldcracking.
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DISADVANTAGES OF PLASTICROADS
1. Cleaning process Toxics present in the co-mingled plastic
waste would start leaching.
2. During the road laying process In the presence of chlorine will definitelyrelease noxious HCL gas.
3.After the road laying It is opined that the first rain will trigger
leaching. As the plastics will merelyform a sticky layer, (mechanicalabrasion).
The components of the road, once it hasbeen laid, are not inert.
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CONCLUSION
Plastic will increase the melting point ofthe bitumen
use of the innovative technology not onlystrengthened the road construction butalso increased the road life
Help to improve the environment .
plastic road would be a boon for Indiashot and extremely humid climate wheredurable and eco-friendly roads whichwill relive the earth from all type of
plastic waste
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Plastic roads,
a simple way to make echo friendlyconstructions.
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.
THANK YOU.
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