Page 12 - 捷運技術 第60期

Journal of Rapid Transit System and Technology No.60
pp. 1-10, 2025 DOI 10.29670/JRTST.202510_(60).0001

Received May 18, 2023, accepted July 23, 2023, date of publication October 31, 2025

The new cappingbeam plates are both

aesthetic and functional – methods of

innovation about bridge expansion joints

JUNHONG CHEN , ANDER LIU , CHONG KUN HONG , LICHIU LI 4
3
2
1
1 Former Director
2 Director
3 Project Manager
4 Associate Engineer

ABSTRACT

Taichung Metropolitan Mass Rapid Transit System Wuriwenxin Beitun Line
construction design starts from the vicinity of No. 2 Bridge on Songzhu Road, Beitun
District, Taichung City in the east. Turn right at the intersection of Beitun Road to
Wenxin Road Section 4, turn right to Wenxin Road, turn to Jianguo Road at the back of
Sun Yat-sen Medical University via Wenxin South Road, and cross Razixi along the
north side of the railway to enter the high-speed railway Wuri station area. The total
length of the line is about 16.71 kilometers, of which the elevated section is about
15.94 kilometers, and the ground section is about 0.77 kilometers. There are 18 stations
and Beitun Machinery Factory is set up on the west side of Hanxi in Beitun District.
Considering that the whole section of the road passes through the Taichung Elite
section, due to the long-term exposure of the expansion joints of the viaduct to the
environment with large temperature differences, it is easy to cause water leakage from
the pier columns, and if water accumulates in some areas above the hat beam for a long
time, it may also speed up It affects the corrosion of steel support pads and shear steel
boxes, thereby endangering the structural safety of the bridge, and the surface of
related beams and pier columns is also easily stained, which affects the beauty of the
space under the bridge. In view of this, the construction team of this office, relying on
past professional engineering experience, gave full play to their creativity and
ingenuity, and put forward the creative idea of " cappingbeam plates ". Through the
management process of planning, doing, checking and action (PDCA), The
management process will summarize the relevant difficulties and find solutions, We
hope that this advanced concept can further improve the overall construction safety,
quality and efficiency, and provide reference for peers to learn from.

Keywords: cappingbeam plates