China develops a 16.64m-diameter tunnel boring machine for Yangtze River project in Changsha, Hunan Province.

China has developed its largest tunnel boring machine, with a diameter of 16.64 meters, in Changsha, Hunan Province. Created by China Railway Construction Heavy Industry Co., Ltd. and China Railway 14th Bureau Group Co., Ltd., the 145-meter-long, 5,000-tonne machine will be utilized for a significant tunneling project under the Yangtze River, connecting Nantong and Taicang cities in Jiangsu Province. This achievement marks a breakthrough in large-diameter tunnel technology.

October 31, 2024
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