Chief Scientist Zhang Hong: "Four Modernizations" Development Helps Bridge Industrialization Upgrade

Science and Technology Daily reporter Wu Chunxin, Fu Yifei, correspondent Zhou XuanOn June 16th, at the parallel forum of the 2023 World Transportation Congress, "Intelligent Construction Forum for Industrialization of Transportation Infrastructure", Zhang Hong, Chief Director of China Communications Group and Chief Scientist of China Communications Second Navigation Bureau, mentioned in the theme report that the complete set of technology and equipment for industrialized intelligent construction of steel reinforcement components, which combines the advantages of industrialization, digitization, networking, and intelligence, has received widespread attention from attendees. It is worth mentioning that Zhang Hong proposed solutions in the report to address the challenges of low efficiency, high labor demand, high safety risks, and difficult engineering quality control in traditional steel bar construction

Science and Technology Daily reporter Wu Chunxin, Fu Yifei, correspondent Zhou Xuan

On June 16th, at the parallel forum of the 2023 World Transportation Congress, "Intelligent Construction Forum for Industrialization of Transportation Infrastructure", Zhang Hong, Chief Director of China Communications Group and Chief Scientist of China Communications Second Navigation Bureau, mentioned in the theme report that the complete set of technology and equipment for industrialized intelligent construction of steel reinforcement components, which combines the advantages of industrialization, digitization, networking, and intelligence, has received widespread attention from attendees.

It is worth mentioning that Zhang Hong proposed solutions in the report to address the challenges of low efficiency, high labor demand, high safety risks, and difficult engineering quality control in traditional steel bar construction.

The main channel bridge of the Changtai Yangtze River Bridge is a double-layer cable-stayed bridge with a main span of 1176 meters, with a tower height of 352 meters, and the span and height are the highest of the same type of bridge. "Zhang Hong said that the China Communications Second Navigation Bureau takes the Changtai Yangtze River Bridge as the application field, and constructs a complete set of industrial intelligent construction technology and equipment for steel reinforcement components based on the overall concept of" assembly design, automated cutting, factory production, rapid installation, and intelligent control ", Change the traditional construction mode of tower column reinforcement, achieve the maximum replacement of manual labor with machines, improve the quality and efficiency of bridge construction, and reduce construction costs and safety risks.

According to reports, in 2021, China Communications Group launched its first project, "Research on Key Technologies and Industrialization Demonstration of Bridge Industrialization Intelligent Construction (Phase I)," with Zhang Hong serving as the project's chief expert. In addition to developing complete sets of technology and equipment for industrialized intelligent construction of steel reinforcement components, it also led the development of the world's first concrete bridge tower industrial construction equipment based on a "vertical mobile factory" - an integrated intelligent tower crane.

This equipment integrates the functions of formwork climbing, concrete placing, auxiliary vibration, intelligent health preservation, emergency avoidance, and safety monitoring, and carries out fully functional integrated construction in an assembly line manner. At the same time, Zhang Hong led the research and development of key technologies of multi parameter self sensing cable, super large underwater caisson foundation construction technology, key technologies of bridge intelligent construction and service cloud platform and other international leading technologies, as well as a batch of leading equipment such as the world's first thousand ton cross cable crane and the world's largest Tower crane.

In December 2022, the project successfully passed the mid-term evaluation, and six of its scientific and technological achievements were rated as internationally leading.

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