Key Success Factors in Using the Lifting Method to Construct a Steel Bridge Pylon

Authors

Ming-Chao Su, Former general manager, Chun Yuan Construction; Vice president, Chun Yuan Industry; Ph.D. candidate, Department of Civil Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 106319, Taiwan (R.O.C.)
Hui-Ping Tserng, Professor, Department of Civil Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 106319, Taiwan (R.O.C.)Follow

Abstract

Constructing the inclined steel pylon of cable-stayed bridges is challenging because of the pylon’s height, spatial limitations, and safety concerns. To address these challenges, this study developed a modular lifting method that can enhance the efficiency and precision of pylon construction. The proposed method involves using rotation jigs to temporarily assemble the pylon, horizontal positioning on temporary supports, and synchronized lifting through computer-controlled hydraulic systems. Field implementation on a large-span bridge project revealed that compared with the traditional method, the proposed method resulted in higher welding quality, lower risks associated with great-height operations, and a shorter on-site assembly time. The findings provide a practical reference for efficient and safe construction of inclined steel pylons.

Recommended Citation

Su, Ming-Chao and Tserng, Hui-Ping (2025) "Key Success Factors in Using the Lifting Method to Construct a Steel Bridge Pylon," Journal of Marine Science and Technology–Taiwan: Vol. 33: Iss. 4, Article 16.
DOI: 10.51400/2709-6998.2803
Available at: https://jmstt.ntou.edu.tw/journal/vol33/iss4/16