IIT-Madras expert team completes 2-day inspection of Vyttila flyover

Ultrasound test performed and concrete samples collected. Contracting company hopes to speed up work following the government’s decision to lift temporary ban on quarrying.

Published: 25th August 2019 09:09 AM  |   Last Updated: 25th August 2019 09:09 AM   |  A+A-

IIT-Madras expert team members inspecting Vyttila flyover on Saturday

IIT-Madras expert team members inspecting Vyttila flyover on Saturday | Arun Angela

By Express News Service

KOCHI: Following the resumption of Vyttila flyover construction, the structural engineering team from IIT-Madras on Saturday concluded the two-day inspection of the site as part of its in-depth tests.

The four-member expert team performed an ultrasound test and collected concrete samples for the core test. “Our team has collected the samples and will soon resume the tests,” said B Nageswara Rao, who heads the IIT-M structural engineering team. 

The team is also slated to conduct an ultra-sound test and collect core samples from Kundannoor flyover on Monday to ensure the quality standards.

The Public Works Department (PWD) initiated the scientific tests in the backdrop of the Palarivattom flyover developing surface cracks within two years of its opening.

The Cochin University of Science and Technology’s, which conducted its preliminary inspection of Vyttila flyover, is expected to complete its core test by next month.

The university has outsourced the sample collection to an agency and it will collect the core samples soon. However, incessant rain has delayed the process, said officials.  

Blanket ban lifted 

Meanwhile, Sreedhanya Constructions, the contracting firm, is hopeful of speeding up the work following the state government’s decision to lift the temporary ban on quarrying on Wednesday. 

“As the government move ensures a smooth flow of gravel and other necessary materials for the concrete work, we will be able to construct the spans before the stipulated period,” said an official of the firm. 

With the intervention of PWD higher officials, the remaining dues are to be settled soon. 

“We have been asked to submit our pending bill as part of the revised estimate. We are hopeful of obtaining the remaining amount soon,” he said. Meantime, the approach road work is also progressing fast. 

“We have almost completed the approach road to the flyover from Alappuzha side,” added the official. 

Core test
It is a unique tool for the safety assessment of existing concrete structures by running compression tests on the concrete core drilled from the concrete surface.

Ultrasound test

Ultrasonic testing of concrete assesses the strength of concrete, discontinuity in cross-section and the depth of surface cracks.


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