Page 53 - 捷運技術 第53期

捷運劍潭站屋頂懸吊系統結構安全評估及監測系統規劃

Structural Safety and Monitoring System

Planning of Suspension Roof - Taipei MRT
Jiantan Station

Hsin-Tai Hsiao *
Department of Civil Engineering and Hazard Mitigation Design
China University of Technology
No.56, Sec. 3, Singlong Rd., Wunshan Dist., Taipei City 11695,
Taiwan (R.O.C.)
Yu-Chi Sung
Department of Civil Engineering
National Taipei University of Technology
Kuo-Hung Chao
Department of Civil Engineering
National Taipei University of Technology

(Date received：4 June, 2018 ; revised：31 August, 2018 ; accepted：20 September, 2018)
Abstract

Taipei MRT Jiantan Station (R18A) roof is a special long-span suspension
structure. It has been nearly 26 years since it was completed in 1993. Upon
completion, a maintenance specification was designed for the suspension
system for a period of 13 years. To date, the maintenance work has been
carried out every other year on the basis of this specification. However, at that
time, the specification only aimed for visual inspection and maintenance. There
was no detailed investigative explanations and records with regards to stresses
developed in steel strands, the RC roof and tower columns.
To insure the structural safety of the Jiantan Station’s suspension roof, a
commonly accepted theory and practical tool were adopted in 2016 to carry
out a detailed investigation into and analysis of the steel strand system, RC
roof and tower columns. The structural safety data and initial readings were
established to provide for long-term maintenance and repair.
For the sake of long-term structural safety, a disaster-prevention monitoring
and maintenance plan has been proposed for the next 15 years (5 times for
every 3 years). It has also been proposed that within the next 15 years, a
[1]
modified maintenance plan should adopt the monitoring and maintenance
results obtained during the course of the coming 15 years.
Keywords: suspension roof, inspection and maintenance, structural safety,
hazard mitigation monitoring system, response operating procedure

* Corresponding author : bridge.work@cute.edu.tw

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