Texas University develops a new polymer material for drainage pipes

HC Plastics News: Mohammad Najafi, professor of the Department of Municipal Engineering at the University of Texas at Arlington (UTA), was funded for the conversion of research and development, and the new polymer materials developed by it were used for the repair of drainage pipes, which helped to extend drainage. The service life of the pipeline.

Professor Mohamma dNajafi, who is also the director of the UTA Underground Infrastructure Research and Education Center, said that the pipe lining itself is a spray-on polymer or cement-like material. We will study the drainage performance of the spray pipe lining material on the drainage pipe and The impact of structural performance.

According to Mohammad Najafi, the previous treatment of damaged pipes generally involved the insertion of a sliding lining in the pipe, but this would adversely affect the drainage efficiency of the pipe. In addition, the in-situ repair of the pipeline method will also result in a decrease in the drainage efficiency of the pipeline, and the in-situ repair method is not applicable to the maintenance of pipeline locations and large-diameter pipelines that are difficult for personnel to reach.

These repair methods occupy too much pipe space of the original damaged pipe, resulting in a decrease in the water delivery capacity of the pipe after repair, and the thickness of the new polymer is very thin and the strength is extremely high, which does not have any adverse effect on the drainage performance after the pipe repair. The repair method is also cost effective.

Mohammad Najafi said, “The use of new polymer materials to repair pipes has greatly extended the service life of damaged drainage pipes and can be used for another 50 years.”

Currently, the research project has been led by the transportation departments of the states of Ohio, New York, Florida, North Carolina, Minnesota, and Pennsylvania, and is funded by the National Highway Collaborative Research Project as a collaborative research project. Under the management of the Transportation Research Council, work with the Federal Highway Administration.

Editor in charge: Ye Dan

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