CURRENT AFFAIRS

2020

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In which city road construction has begun by using plastic waste?
A
Bengaluru
B
Lucknow
C
Kolkata
D
Ranchi
Explanation: 

Detailed explanation-1: -Bengaluru also successfully constructed more than 2, 000 km roads with waste plastic. The Municipal Corporation of Gurugram (MCG) has mandated the use of plastics for arterial roads. The state of Assam also started to use the same.

Detailed explanation-2: -India. Chennai was among the first cities globally to adopt the technology in a big way when the municipality commissioned 1000 km of plastic roads in 2004. The first plastic road in Tamil Nadu was laid down in Kambainallur, a Panchayat Town of the Dharmapuri district as per the guidelines of then Chief Minister.

Detailed explanation-3: -In Bengaluru, road built with 100% recycled plastic waste between Ecoworld and ORR - The Hindu.

Detailed explanation-4: -Process of Manufacturing Roads using Plastic Waste The shredded plastic waste is then added to the aggregate. It gets coated uniformly over the aggregate within 30 to 60 seconds, giving an oily look. The plastic waste coated aggregate is mixed with hot bitumen and the resulting mix is used for road construction.

Detailed explanation-5: -The roads are functioning well without potholes, traveling, and rutting. Plastics-waste is coated over aggregate. This helps to have a better binding of bitumen with the plastic-waste coated aggregate which leads to increased bonding and increased area of contact between polymer and bitumen.

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