Plastic Road

seminar on
“Plastics Road”
A simple way to make eco-friendly construction
‘Using waste plastics material’
Presented by- Guided By-
Saswat Ranjan Pattnaik Dr. Ashutosh Rath

6th semester Senior Assistant Professor
Civil Engineering Dept. of Civil Engineering
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Contents
 Introduction
 Characteristics of plastic
 Types of plastic
 Making of plastic
 What are Plastics Road?
 Material used
 Construction Process
 Field Trials
 Advantages
 Disadvantages
 Waste Plastics Road in India

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Introduction:
 Plastic is one of the most commonly used products and which can be
easily recycled. The plastic materials that are often being recycled into
bottles, containers, bags, toys, and much more. But now, many companies
are attempting to recycle plastic into something much larger — Roads.
 The first company that came with such an innovative idea is Volker
Wessels which is a famous construction firm that is preparing to build a
Plastic Road in Rotterdam.
 The Indian Centre for Plastics in the Environment (ICPE) has been
promoting the use of plastic waste to construct asphalt roads and few trial
roads have been paved successfully by combining waste plastic with
bitumen.
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CHARACTERISTIC OF PLASTIC
Plastics have many characteristics, including:
• Lightweight: Plastics are lightweight and have a high strength-to-weight ratio.
• Durable: Plastics are durable and resistant to damage from water, heat,
chemicals, and electricity.
• Non-biodegradable: Plastics are non-biodegradable substances.
• Poor conductors: Plastics are poor conductors of heat and electricity.
• Chemically stable: Plastics are chemically stable and resistant to corrosion
and chemicals.
• Moldable: Plastics are easily molded into different shapes and sizes.
• Inexpensive: Plastics are cheaper than metal and have a low lifetime cost
compared to other materials.
• Transparent: Plastics are usually clear and can be colored in different hues.
• Wear resistant: Plastics have good wear resistance and impact resistance.
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TYPES OF PLASTIC
 Thermoplastics: Thermoplastics are a type of plastic that can be melted and
re-molded repeatedly without undergoing significant chemical changes.
 Thermosetting Plastics: Thermosetting plastics are a type of plastic that

undergoes a chemical change when heated and cannot be re-melted or re-
molded.
 Biodegradable Plastics: Biodegradable plastics are a type of plastic that can

be broken down by natural processes over time.
 Elastomers: Elastomers are a type of plastic that can stretch and return to
their original shape. Examples of elastomers include rubber, silicone, and
polyurethane.
z Making of Plastic
 Material Preparation: The first step in plastic manufacturing is material
preparation. The raw materials used in plastic manufacturing are petrochemicals,
such as ethylene and propylene. The raw materials must be cleaned and
processed before they can be used to make plastic. This process involves the
separation of impurities and refining of the raw materials.
 Polymerization: Once the raw materials are prepared, they are subjected to
polymerization, which is the process of converting small molecules into long-
chain polymers. Polymerization is achieved by heating the raw materials in the
presence of a catalyst, which helps to link the molecules together into chains.
The resulting material is a resin that is used as a base for making plastic.
 Additives: After polymerization, additives are mixed with the resin to give the
plastic its desired properties. Additives can include colorants, stabilizers,
plasticizers, and other materials that modify the plastic's physical and chemical
properties.
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 Molding: Molding is the process of shaping the plastic into the
desired form. There are several molding techniques, including
injection molding, blow molding, and thermoforming. Injection molding
involves injecting the molten plastic into a mold, where it cools and
solidifies. Blow molding uses air pressure to shape the molten plastic
into a hollow form. Thermoforming involves heating the plastic sheet
until it is pliable and then shaping it over a mold.
 Finishing: The final stage of plastic manufacturing is finishing. This

involves removing any excess material from the molded product and
adding any final touches, such as labeling or packaging. The finished
products are then ready for distribution.
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What are plastics Road?
 The road constructed using waste plastics material are known as
“Plastics Road”.
 Plastics Road mainly use plastics bags, disposable cups & bottles
that collect from garbage dump as an important ingredient of the
construction material.
 Plastics Road found to perform better compared to those constructed
conventional bitumen.
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Material used
AGGREGATE
 Aggregate of 20mm,10mm
 Stone, Dust & Lime as filler
BITUMEN
 60/70,80/100grade bitumen
WASTE PLASTICS
 Waste plastics in shredded Form

z Construction Process:
 Step:1
First we collect the plastics waste and segregate the material

made out of PP,PE & PS. Then clean it properly, after that cut into small
size between 2.36mm and 4.75mm using shredding machine.
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 Step:2
The aggregate mix is heated to 165°c and

transferred to mixing chamber. The
amount of plastics to be added is 8% of bitumen.
 Step:3
Similarly the bitumen is to be heated up to

160°c to have good binding and prevent weak
bonding.
 Step:4
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At the mixing chamber the shredded plastics waste is to be added it
get coated uniformly over the aggregate with 30 to 60 sec giving an oily look.
 Step:5
The Plastics waste coated aggregate with hot bitumen and the
resulted mix used for road construction.
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Step:6
Then the mix material is placed on the surface. Heating of material at 120°c is
continued.
Step:7
The road laying temperature is between 110°c to 120°c and the roller are used
have capacity 8-ton generally.
z Field trials :
 There are two types of field trials:
a) Dry Process
b) Wet Process
a) Dry process
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The aggregate is heated to 170°c in mini hot mix plant.

Heated aggregate. The shredded plastics waste is added equal
proportion. Adding shredded plastics.
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b) Wet Process
Waste plastics by direct mixing with hot bitumen at 160°c

Mechanical stirrer is needed. Addition of stabilizer & proper mixing.
Since the heat process requires a lot of investment and bigger plants,
so not commonly used.
z Advantages
 Stronger road with increase marshal stability.
 Reduce the need of bitumen by about 10%.
 Reduce the cost around Rs 5000/km.
 Reduce penetration and ductility.
 Better resistance towards rain water and water stagnation
 The maintenance cost of road is almost nill.
 Long lasting and Durable

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Disadvantages
 Toxic present in the plastic waste would start leaching.
 In the presence of chlorine will definitely anxious HCL

gas produced.
 The components of road once it has been laid not
regain in size
z Waste Plastic Road in India
 India has built 21000miles of roads using waste plastics in Dec2019.India has almost
33700km of plastic road till now which means that every 1km road uses 1million of
plastics bag.
 The first City in India to globally adopt plastics road technology was Chennai.
Chennai municipal adopt this technology in a big way commissioning 1000km of
plastics road in the year 2004.
 Since then many municipality across India have experiment and implement this
technology such as Pune,Mumbai,Surat, Indore,Delhi and Lucknow etc.
z Conclusion
 Use of the innovative technology not only strengthened the road
construction but also increase the road life.
 The major role of plastics road is that it reduce huge amount of

plastics wastes to construct the road and help to improve the
environment.
 Plastics Road would be a boon for India’s hot and extremely humid
climate.
 Plastics Road is eco-friendly.

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Thank you 😊

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seminar on

Presented by- Guided By-

Saswat Ranjan Pattnaik Dr. Ashutosh Rath

 What are Plastics Road?

 Waste Plastics Road in India

 Thermosetting Plastics: Thermosetting plastics are a type of plastic that

 Biodegradable Plastics: Biodegradable plastics are a type of plastic that can

 Finishing: The final stage of plastic manufacturing is finishing. This

 Stone, Dust & Lime as filler

 Waste plastics in shredded Form

First we collect the plastics waste and segregate the material

The aggregate mix is heated to 165°c and

Similarly the bitumen is to be heated up to

The aggregate is heated to 170°c in mini hot mix plant.

Waste plastics by direct mixing with hot bitumen at 160°c

 Reduce the need of bitumen by about 10%.

 Reduce the cost around Rs 5000/km.

 Reduce penetration and ductility.

 Better resistance towards rain water and water stagnation

 The maintenance cost of road is almost nill.

 Long lasting and Durable

 In the presence of chlorine will definitely anxious HCL

 The major role of plastics road is that it reduce huge amount of

 Plastics Road is eco-friendly.

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