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The Construction Of The Tallest Bridge In The World Advances Rapidly. At Twice The Height Of The Eiffel Tower, It Will Be A Milestone In Engineering.
Last week, China recently completed the main structure of the world’s tallest suspension bridge, located in Guizhou Province in the southwest of the country.
The Huajiang Grand Canyon Bridge, with an impressive vertical height of 625 meters from the deck to the surface of the river, is nearly double the height of the Eiffel Tower.
This monumental work promises to revolutionize regional connectivity, reducing the canyon crossing time from nearly an hour to just a few minutes.
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The Completion Of The Main Structure
The final stage of the main structure was completed with the installation of the last steel beam, weighing approximately 215 tons.
The achievement was celebrated by China Railway Group and China Railway Baoqiao, the main companies involved in the construction.
According to Wu Chaoming, senior engineer of the project, the use of the world’s largest cable-stayed lifting system was key to the successful completion of the assembly.
The sophisticated system includes intelligent transport, lifting, and monitoring technology, ensuring precision and safety to handle the great weights and spans of the structure.
Dimensions And Investments
With a total length of 2,890 meters and a main span of 1,420 meters, the Huajiang Grand Canyon Bridge will also be the largest span bridge in the world in a mountainous region.
The supporting steel truss structure consists of 93 segments, which together weigh 22,000 tons — equivalent to two Eiffel Towers. The total cost of the project is estimated at US$ 280 million, as reported by Newsweek.
So far, 80% of the main construction has been completed. The next phase of the project involves the installation of panel segments between the trusses, with an inauguration scheduled for the second half of 2025.
The project is led by Guizhou Transportation Investment Group Co Ltd and is part of a broader infrastructure development plan in the region.
Technical And Environmental Challenges
The construction of the Huajiang Grand Canyon Bridge faced various challenges due to the local complex geography.
The mountainous region of Guizhou, situated between the Yunnan Plateau and the Lower Yangtze River Plain, presents complex geomorphology and geology, known as Castel geomorphology.
The Swedish company Alimak, supplier of equipment for the project, highlighted the difficulties related to constant climate changes and temperature differences between day and night, which can result in severe weather conditions and strong winds.
In addition to the impressive impact on engineering, the bridge promises to bring significant improvements to the local economy.
The new connection is expected to strengthen tourism and business ties between neighboring cities, such as Guiyang and Anshun, stimulating economic growth and infrastructure development. The regional economy is expected to benefit from increased mobility and reduced travel times.
Comparison With Other Bridges
The Huajiang Grand Canyon Bridge surpasses in height the current record holder, the Beipanjiang Bridge, also located in Guizhou Province.
The Beipanjiang, inaugurated in 2016, is situated 565 meters above the Beipan River and connects the provinces of Guizhou and Yunnan. Its height is equivalent to a 200-story skyscraper and is often enveloped in clouds, offering spectacular views.
With four traffic lanes, the new Huajiang Bridge not only surpasses the Beipanjiang in height but also in load capacity and technological advancements, providing a more efficient and safer crossing for drivers.
Investment In Chinese Infrastructure
The completion of the Huajiang Grand Canyon Bridge represents a significant milestone for both Chinese and global infrastructure.
The structure not only symbolizes China’s innovation capacity but also serves as a model for future engineering projects in regions with complex geography.
Through this advancement, it is expected that new bridges and transport infrastructure will be planned with even more sophisticated technologies, contributing to the socioeconomic development of the region and encouraging other countries to invest in large-scale engineering solutions.
With information from News.CN
Precisaria primeiro fazer a manutenção das pontes que estão caindo.
O nosso país também precisa destas estruturas para alavancar o nosso desenvolvimento,estas construções reduzem distâncias e geram economia para o país, na redução de importação de petróleo e outros produtos como peças de caminhões e automóveis.