At present, China's domestic tunnel boring machine research and development has made a major breakthrough
Recently, a reporter learned from the first Science and Technology Conference of China Railway Tunnel Co., Ltd. that the company, in collaboration with Zhejiang University, Henan University of Science and Technology, and other research institutions, has made significant progress in the development of a full-section tunnel boring machine under the national "863" plan. This marks a major breakthrough in domestic technology for tunneling equipment.
China Railway Tunnel Co., Ltd., a subsidiary of China Railway Engineering Corporation, is recognized as the first high-tech enterprise in Henan Province and holds the highest level of mechanization in tunnel and underground construction in China. The company's research and development efforts are supported by its own technical committee.
In 2003, the company established the National "863" Plan Research Center for Tunnel Boring Machines (TBM) in Xinxiang City, along with a manufacturing and assembly center. It has since undertaken two key projects under the "Robot Technology in Advanced Manufacturing and Automation Technology" theme of the "863" program. Over the past two years, the company completed the technical design of a 6.3-meter-diameter shield machine, as well as research on tool-cutter design and hydraulic drive systems.
In 2004, the company successfully completed work on Shanghai Metro Line 2. Since then, it has designed and co-manufactured several shield machines and TBMs, completing the factory assembly of two units. These machines have been operating smoothly in the Guangzhou Metro No. 4 Xiaoxin Section and the Liaoning Dahufang Water Transfer Project. Additionally, the company’s self-developed TBM and shield construction products are widely used in urban subway and tunnel projects across the country. Six of these innovations have been granted national patents.
In July 2005, the company was approved by an expert panel from the Ministry of Science and Technology to continue its work on the "10th Five-Year" and "11th Five-Year" projects under the national "863" plan for shield machines. Experts in the field, including Liu Weining, an executive member of the International Tunnel Association and professor at Beijing Jiaotong University, have praised the company's achievements. They believe that the recent breakthroughs in domestic tunnel boring machine technology will significantly enhance the industrialization and mechanization of tunnel and underground construction in China.
Notable figures such as Wang Mengshu, academician of the Chinese Academy of Engineering, Guo Shanyun, chairman of the Tunnel and Underground Engineering Branch of the China Civil Engineering Society, Liu Chun, former deputy chief engineer of China Railway Engineering Corporation, and Wang Jianyu, former dean of the China Railway Southwest Research Institute, have all commended the company's contributions to the advancement of tunneling technology in the country.
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