Fiber optic sensors detect structural problems in bridges and dams.

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The Photonic Engineering Group (TAP) of the University of Alcalá (Spain), in collaboration with the Federal Polytechnic School of Lausanne (Switzerland), it has designed optical fiber sensors capable of continuously monitoring large infrastructures, allowing detection with great precision and, most importantly, in advance, erosion or fissures in bridges, dams or railways. The results of this work have just been published in the magazine Optic letters.

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Types of joints for polyethylene pipe.

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Hello today we will talk about the various types of union with which the polyethylene pipe is the most traditional method by means of thermofusion.

This method consists of cutting the pipe at its ends, so that it is aligned and then by an iron, at a controlled temperature, according to the diameter and thickness, the mechanical connection is made to join one tube with another and ensure the tightness of the tubes Which are cast in one piece.

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