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Sensor Technologies for Civil Infrastructures, Volume 2 by Hoon Sohn, Jerome P. Lynch, Ming L. Wang

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16

Sensing solutions for assessing and monitoring railroad tracks

P. Rizzo,    University of Pittsburgh, USA

Abstract:

In railroads, the increase in axle loads, train speed, and traffic rises the risk of damage. Among the several types of damage, transverse defects in the rail head represent the primary cause of accidents. Thus, the effective inspection or the permanent monitoring of railroad tracks is necessary. This chapter reviews the most common sensing methods to detect damage in rails. The nondestructive evaluation techniques suitable for periodic inspection and some approaches for permanent monitoring of the tracks are introduced. The general principles, advantages, and limitations of each of these techniques are described.

Key words

railroad ...

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