The world's first full carbon fiber cable wheel-spoke tension structure has been successfully applied in the second-phase renovation and expansion project of Jinan Yaoqiang Airport, marking the first comprehensive use of carbon fiber cables as the main load-bearing components in large-span spatial structures.

Technical Breakthroughs:

  1. First full application of carbon fiber intelligent cable systems in building tension structures.
  2. First integration of cable clamp nodes in carbon fiber cables to meet architectural structural requirements.
  3. First adoption of quasi-distributed weak fiber Bragg grating smart tendons in carbon fiber cables, utilizing series networking to reduce the number of demodulator channels, thereby cutting costs and improving efficiency.

 

Structural Innovations:

  1. Comprehensive protection solutions during construction and transportation, ensuring high survival rates for intelligent cables.
  2.  Full-metal protection for carbon fiber cable bodies, enhancing both durability and aesthetics.
  3. Compact structure design for carbon fiber cable anchors and connection components.

 

Key Parameters:

  1.  Cable specifications: 7-13, 19, 31, and 37, totaling 4 types.
  2. Cable strength: 2,800 MPa.
  3. Function: Capable of distributed cable force measurement along the entire cable length.

 

As the world's first full carbon fiber cable wheel-spoke tension structure, this project signifies a further expansion in the application scope of carbon fiber cables. The superior performance of carbon fiber cables will meet the demands of more application scenarios. OVM has previously completed several demonstration projects, including the Liaocheng Vehicle Cable-Stayed Bridge over the Tuhai River (the first kiloton-level carbon fiber cable project), the Qingdao Fenghe Bridge (the first 3,000 MPa-level carbon fiber hanger rod), the Xi'an Fengyi Bridge (the world's largest 7-253 carbon fiber cable), slope anchor cables for the Sichuan-Tibet Railway, and temperature deformation-resistant cables for maglev high-speed railways. This airport project provides a novel solution for the lightweight, long-life, and intelligent construction of large public buildings.