Page 13 - 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 3

Received May 18, 2023, accepted July 23, 2023, date of publication October 31, 2025 壹、前言 帽梁截水盤增大止水防護面範圍，
大幅提升橋下來往車輛之行車安全，

The new cappingbeam plates are both 臺中捷運 CJ920 區段標全路段 降低風險因子，效果甚佳，因而營

均採高架捷運設計，考量高架橋梁 造出一個優質、安全、耐久性的使
aesthetic and functional – methods of 之伸縮縫材質因長期曝露在溫差差 用環境，亦具有顯著的經濟效益，

innovation about bridge expansion joints 異大之環境，在載具反覆荷重加壓 且該精進工法屬全國首創，未來將

下，易衍生伸縮縫材料老化等問題， 可提供國內各施工團隊施工參考。
JUNHONG CHEN , ANDER LIU , CHONG KUN HONG , LICHIU LI 4 且因周遭由工廠和車輛排出大量的
3
2
1
1 Former Director 二氧化硫及氮的氧化物，以雨、雹
2 Director 貳、實施方法
3 Project Manager 方式所降下之酸雨，經由橋面上伸
4 Associate Engineer 縮縫滲漏到橋梁之梁體及墩柱，倘 臺中捷運 CJ920 區段標工程位
帽梁上方長時間局部積水，恐加速 於人口稠密之臺中都會區，為有效阻
ABSTRACT 腐蝕鋼支承墊塊及剪力鋼箱，進而 隔橋梁伸縮縫之滲漏水，選擇不銹鋼

危害橋梁的結構安全，相關梁體及 板製成「帽梁截水盤」之截水措施，
Taichung Metropolitan Mass Rapid Transit System Wuriwenxin Beitun Line
construction design starts from the vicinity of No. 2 Bridge on Songzhu Road, Beitun 墩柱表面則易受汙損而影響橋下空 該項設計之優點與特性為可充分增
District, Taichung City in the east. Turn right at the intersection of Beitun Road to 間的美觀。 大止水防護面範圍，提供優質橋下使
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 由於伸縮縫這些問題將影響橋 用環境及創造最佳化結構耐久性，另
north side of the railway to enter the high-speed railway Wuri station area. The total 梁耐久性、安全性及美觀性，使得 亦可透過此緩衝設施，使整體風險因
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 工程品質及維護管理等之不確定性 子及影響程度降至最低。
and Beitun Machinery Factory is set up on the west side of Hanxi in Beitun District. 因素增加。鑒此，施工團隊於施工
Considering that the whole section of the road passes through the Taichung Elite 前仔細檢討風險辨識、風險預防措 一、 實作與精進─本案規劃內容與
section, due to the long-term exposure of the expansion joints of the viaduct to the 創新之處
environment with large temperature differences, it is easy to cause water leakage from 施，並針對該工項召開風險管控會
the pier columns, and if water accumulates in some areas above the hat beam for a long 議，思考該工項之精進策略，期將 橋樑伸縮縫主要作用在於調節
time, it may also speed up It affects the corrosion of steel support pads and shear steel 由車輛荷載和橋梁建築材料所引起
boxes, thereby endangering the structural safety of the bridge, and the surface of 上開負面及不確定之影響因子降至
related beams and pier columns is also easily stained, which affects the beauty of the 最低，最終研擬出「帽梁截水盤」 的上部結構之間的位移和聯結，亦
space under the bridge. In view of this, the construction team of this office, relying on 為滿梁體熱脹冷縮時提供自由伸縮
past professional engineering experience, gave full play to their creativity and 之精進措施，並利用標準化、規格
ingenuity, and put forward the creative idea of " cappingbeam plates ". Through the 化、系統化的套裝組件，並克服風 的空間，通常設置在橋梁兩端部之
management process of planning, doing, checking and action (PDCA), The 間、梁端與橋臺之間或橋梁鉸接位
management process will summarize the relevant difficulties and find solutions, We 險工項及施工空間之限制，大幅提
hope that this advanced concept can further improve the overall construction safety, 升施工效率與施工品質，亦因藉由 置，伸縮縫在平行、垂直於橋樑軸
quality and efficiency, and provide reference for peers to learn from.

Keywords: cappingbeam plates