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Tamil Nadu and Kerala: IIT-Madras develops eco-friendly alternative to seawalls February 13,2020   |  Source: Asian Age

After successfully testing the efficacy of the technology of groyne fields since 2007 along the Kerala and North Chennai coastline to fight sea erosion, Indian Institute of Technology, Madras (IIT-M) has developed an eco-friendly system using geotextiles to save seashore. The system, geotextile-wrapped over geo cell, developed with the fund offered by the Kerala government, has reached the final stage, Dr. V. Sundar, professor, department of ocean engineering, IIT-M told this newspaper. “We hope we would be able to introduce it on the ground in a year.” “The system works with a dual structure: one is the geotube that will be laid on the updrift side and the second, a geo textile structure that replaces the conventional seawall in the down drift side,” Dr Sundar said.

“The geotube will act as a shock absorber by reducing the power of the waves. Ultimately, the system brings down the power of the high waves during the monsoon season that would cause sever damages to the life and property of coastal people.” He said the IIT team pursued the project after Kerala government accepted its proposal a couple of years ago and the allocated the fund for the same. “We are is waiting for the release of the final instalment of the fund from the Kerala government to test the

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