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Pressure Analysis of Platform Screen Door Subjected to a Moving Train in Mass Rapid Transport Underground Station

Published online by Cambridge University Press:  05 May 2011

Lin-Jye Chun ,
Yuan-Ching Chiang ,
Chun-Chin Ting ,
Rong-Hua Ma  and
Sih-Li Chen
Lin-Jye Chun*
Affiliation:
Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
Yuan-Ching Chiang*
Affiliation:
Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
Chun-Chin Ting*
Affiliation:
Sinotech Engineering Consultants, Ltd., Taipei, Taiwan 105, R.O.C.
Rong-Hua Ma*
Affiliation:
Department of Mechanical Engineering, Military Academy, Fengshan, Kaohsiung County, Taiwan 830, R.O.C.
Sih-Li Chen*
Affiliation:
Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
*
*Graduate student
*Graduate student
**Engineer
***Professor
***Professor
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Abstract

This paper analyzes the pressure distribution on the platform screen door (PSD) subjected to a moving train running through a station in the tunnel. The advantages of adopting PSD design are to reduce the cooling load and the construction cost in mass rapid transport underground station. However, as the moving train enters or leaves the station, the PSD will face a long-term wind oscillation pressure force. For the safety design, dynamic simulation is requisite for the analysis of pressure force exerted on the PSD. The present study uses the commercial code PHOENICS to simulate dynamically the pressure and velocity distribution on the platform screen door. The results show that the maximum pressure on the platform screen door occurs at 6 m behind the front platform end with the values of 1,457 and 942 Pa, as the train moving speeds are 80km/hr and 65km/hr respectively. It is also indicated that the ratio of the different maximum pressures exerted on the PSD has a linear relationship with the square of train speed ratio for two different train speeds.

Keywords

Platform screen doorPressure analysisMass rapid transport
Type
Articles
Information
Journal of Mechanics , Volume 20 , Issue 2 , June 2004 , pp. 159 - 166
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2004

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References

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