Eideard

How to manufacture a lightweight infinite pipeline

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A University of Arizona professor has invented a theoretically infinite pipe that promises to bring down the costs of laying pipelines while reducing environmental damage. Developed by Mo Ehsani, Professor Emeritus of Civil Engineering at the University of Arizona, the new pipe, called InfinitiPipe, is of a lightweight plastic aerospace honeycomb under layers of resin-saturated carbon fiber fabric put together by a new fabricating process that allows pipes to be built in indefinite lengths on site.

Because they’re out of sight, we sometimes forget how much pipe lies buried under our feet. Spreading throughout and between towns and cities there are thousands, if not millions of miles of pipeline carrying fuel, water, sewage, cables and all manner of other things that make up the veins and arteries of modern civilization. The problem is that any large pipe intended to have any strength, such as those made out steel, concrete or heavy plastic, can only be made in very short lengths. This is partly due to the weight of some materials, but mainly because they’re transported on trucks.

This means that a pipeline, no matter how long, is made up of a series of short sections with hundreds or thousands of joints – each one a potential leak. It also means that the pipes often have to be manufactured at distant locations and then shipped and hauled to construction sites over great distances and at great cost…

Since the InfinitiPipe is made of lightweight materials, transportation costs are much cheaper than for concrete or steel. This makes on site manufacturing an economical proposition. Ehsani envisions a manufacturing unit installed inside of a truck where the pipe would be fabricated and the truck moving forward as the pipeline is fed out.

Ehsani’s design not only promise qualitative cost reduction in the industrialized world – it could enable locally-built projects throughout the world. Building materials need only be delivered periodically to portions of the pipeline route. Local tradesman can be trained to run the quipment and provide necessary labor along artery. Safety and soundness is better assured by the technology.

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Written by Ed Campbell

September 2, 2012 at 6:00 pm

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