China has built the world's largest tunnel-boring machine that weighs 10,000 tons and uses an ancient Chinese swordsmaking technique.
The load of a tunnel boring machine is borned by the bearing which is not more than 0.4 inches thick.Engineers at the China Railway Construction Heavy Industry Corporation have turned to a 2,500-year-old blacksmithing approach to help build the world’s largest tunnel-boring machine . Weighing 10,000 tonnes, the TBM is as heavy as the Eiffel Tower and establishes China’s dominance in yet another area of high-end engineering structure.
TBM machines are critical components of underground construction machinery, allowing engineers to tunnel through a wide variety of terrains. However, the equipment is not only a feat of engineering but also combines high-end technology from electronics, information technology, and even artificial intelligence.
As the temperatures of the main bearing change during the tunneling process, the structure can become weak. CRCHI engineers used an ancientThe intricate and sharp design of the Sword of Goujian, made of bronze for the King of Yue, who lived between 496 BC and 465 BC, was influenced by the engineers’ research into techniques for hardening the steel on their TBM.
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