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Compression Static Test of a Cable-stayed Replacement System Based on In-service Archor Plate and External Steel Anchor Barrel
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Gang TIAN1, Chao CHEN1, Chuang JIA1, Rui-peng ZHANG1, Meng-jie XU1, Qing-ze LI2, Kai GUO3, Wei-bing XU3, *, Ke-ming PAN4
Science Technology and Engineering | 2025, 25(7) : 2983 - 2996
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Science Technology and Engineering | 2025, 25(7): 2983-2996
• Papers·Traffics and Transportations •
Compression Static Test of a Cable-stayed Replacement System Based on In-service Archor Plate and External Steel Anchor Barrel
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Gang TIAN1, Chao CHEN1, Chuang JIA1, Rui-peng ZHANG1, Meng-jie XU1, Qing-ze LI2, Kai GUO3, Wei-bing XU3, *, Ke-ming PAN4
Affiliations
  • 1 China Railway First Group Second Engineering Co.Ltd, Tangshan 101100, China
  • 2 Bridge and Tunnel Monitoring and Maintenance Branch of CCC Highway Consultants Co. Ltd, Beijing 100010, China
  • 3 Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing 100124, China
  • 4 Beijing General Municipal Engineering Design & Research Institute Co. Ltd, Beijing 100089, China
Published: 2025-03-08 doi: 10.12404/j.issn.1671-1815.2310210
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To achieve safe and efficient replacement of stay cables that exceeded their designed service life or suffer serious damage, a stay-cable replacement system (SRS) was proposed which used the existing cable-stayed anchor plate (ECAP) as a reaction force system. The scaled model of the typical main girder segment and the full-scale model of the SRS were designed and produced. The axial compression and eccentric compression static tests were carried out under the conditions of dry contact and adhesive contact between the steel anchor barrel (SAB) of SRS and the ECAP. The results show that, under dry contact conditions, the failure mode of the SAB is the buckling of the contact point between the eccentric compression side of the SAB end and the ECAP. Under adhesive contact conditions, the failure mode of the SAB is the buckling at the interface between the eccentric compression side of the SAB and the epoxy resin glue. After pouring of the epoxy resin glue, the displacement and maximum compressive stress of the SAB are smaller, and the compressive safety and stability of the SAB are better. The proposed SRS can be applied in stay-cable replacement.

stay-cable replacement  /  auxiliary steel anchor barrel  /  axial compression static test  /  eccentric compression test  /  contact condition  /  stability
Gang TIAN, Chao CHEN, Chuang JIA, Rui-peng ZHANG, Meng-jie XU, Qing-ze LI, Kai GUO, Wei-bing XU, Ke-ming PAN. Compression Static Test of a Cable-stayed Replacement System Based on In-service Archor Plate and External Steel Anchor Barrel[J]. Science Technology and Engineering, 2025 , 25 (7) : 2983 -2996 . DOI: 10.12404/j.issn.1671-1815.2310210
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Year 2025 volume 25 Issue 7
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Article Info
doi: 10.12404/j.issn.1671-1815.2310210
  • Receive Date：2023-12-27
  • Online Date：2026-03-30
  • Published：2025-03-08
Article Data
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History
  • Received：2023-12-27
  • Revised：2024-05-02
Funding
Affiliations
    1 China Railway First Group Second Engineering Co.Ltd, Tangshan 101100, China
    2 Bridge and Tunnel Monitoring and Maintenance Branch of CCC Highway Consultants Co. Ltd, Beijing 100010, China
    3 Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing 100124, China
    4 Beijing General Municipal Engineering Design & Research Institute Co. Ltd, Beijing 100089, China
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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