24 October 2019

Table of Contents for Mat-Vantage





Case Study-Chryso

Perfect mix

 

A much awaited flyover project aiming to de-congest traffic flow to the Kolkata airport has benefited from CHRYSO India’s concreting solution. 

 

Commuting to Kolkata airport from Ultadanga area is soon expected to be a smooth ride. The concern will be addressed through the ongoing 2 km long flyover project from Kestopur to Baguiatias Joramandir on VIP Road. Construction firm Larsen & Toubro has been roped in for the project, which is being implemented under the Jawaharlal Nehru National Urban Renewal Mission (JNNURM) scheme. The state’s Public Works Department is the nodal agency for the project. A total cost of about Rs216 crore has been pegged for executing the project, of which 35 per cent is managed by the Central government. When complete the flyover project will ease traffic chaos on the VIP road to the airport from Ultadanga. The area is at present facing heavy traffic congestion at the Lake Town, Kestopur and Baguiati crossings of the VIP Road.

 

Key Challenges

The project while expected to de-congest the traffic to and from Kolkata airport has faced numerous issues during its execution.  The key hurdles faced during the project construction were:

 

  • The need for RMX concrete due to non-availability of space at the project site for installation of batching plants
  • De-shuttering within 36 hours
  • Congested reinforcement
  • Limited time period due to open traffic

The project hence needed a concrete admixture which could offer great flexibility, increased workability retention and application in wide of concrete by ensuring desired liquidity. The project executioners opted for Chryso India as an ideal solution partner in addressing prevailing operational concerns and to meet the desired requirements.

 

Advantage Chryso

CHRYSO Plast Delta G 614 was opted as an ideal solution and was offered to the concreting materials sourced from UltraTech. The key benefits being offered by CHRYSO Plast Delta G 614 were:

  • Increase workability to more than 3 hours – even at temperature of more than 45oC.
  • It aided in achieving high strength for re-cycling process – could gain 70 per cent strength within 3 days and more than 85 per cent was achieved by 7 days
  • Compatibility with all available cement brands
  • Cohesive concrete for heavy reinforcing area
  • Early setting for removing shutter within 10 hours – even at a temperature of less than 8oC

 

In addition, the compatibility of the product in optimising the dosage of cement by obtaining a specific class of resistance and its ability to blend with all cement brands ensured that the project could meet its desired deadlines.

 




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