[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.9711/KTAJ.2017.19.1.001

Developments of monitoring system to measure sound absorbing coefficient and structural stability of sound absorbing panel on the concrete track in the urban train tunnel

Oh, Soon-Taek (Seoul National University of Science and Technology, Dept. of Civil Engineering)
Lee, Dong-Jun (Seoul National University of Science and Technology, Dept. of Civil Engineering)
Lee, Dong-Hoon (Seoul National University of Science and Technology, Dept. of Mechanical and Automotive Engineering)

Publication Information

Journal of Korean Tunnelling and Underground Space Association / v.19, no.1, 2017 , pp. 1-9 More about this Journal

Abstract

In this study, a test-bed system simulated a tunnel and concrete track is tested on cite and invested an allowed limit of multi-layered sound absorbing panel for reducing noise reflected on the concrete track in train tunnel considering the criteria and limitation on the theoretical back ground. The studied results are an effective evaluating system of the sound absorbing coefficient influenced fluid effects depending on the vehicle speed in the urban train tunnel and measuring not only structural behaviors of maximum displacement and acceleration of the panel but also dynamic characteristics of damping ratio and natural frequency.

Keywords

Concrete track; Sound absorbing panel; Structural behavior test; Increasing fluid pressure by the vehicle running speed; Maintenance criteria in tunnel;

Citations & Related Records

Times Cited By KSCI : 1 (Citation Analysis)

Reference
Cited By KSCI

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