Caracterización dinámica de una vía ferroviaria mediante un dispositivo de masas desbalanceadas : diseño y simulación del dispositivo de masas desbalanceadas con tres discos concavos y con precarga en su estructura utilizando un tanque de agua.

Abstract

This document will focus on the design of an exciter that meets the required characteristics to excite railway structures and allows non-destructive testing of the railway track to detect potential defects and perform the necessary maintenance before railway infrastructure failures occur. Evaluating the dynamic behavior of the railway track enables the improvement of the design and construction of new railway structures and optimizes their performance in terms of safety and efficiency. Railway structure exciters are mechanical devices used to generate vibrations on the railway track, enabling the study of the dynamic behavior of the railway infrastructure under induced vibrations. These exciters are used to conduct diagnostic tests on the railway track to assess the performance of railway structures under dynamic loads. There are different types of railway structure exciters, classified according to their mode of operation and operating frequency. Some of the most common types of exciters include: Impact exciters: These exciters generate vibrations on the railway track by impacting it with a hammer. The operating frequency of these exciters is typically in the range of 5 to 100 Hz. Low-frequency exciters: These exciters generate vibrations on the railway track by applying a low-frequency sinusoidal load. The operating frequency of these exciters is usually in the range of 0.1 to 50 Hz. High-frequency exciters: These exciters generate vibrations on the railway track by employing a high-frequency sinusoidal load. The operating frequency of these exciters is typically in the range of 50 to 500 Hz.