“硬核劳模”陈健：让中国大盾构技术在世界舞台扬名

Core Insights - The article highlights the achievements of Chen Jian, a senior engineer at China Railway 14th Bureau, who has made significant contributions to the development of large-diameter shield tunneling technology in China [1][4][14] Group 1: Achievements and Innovations - Chen Jian has been instrumental in overcoming world-class challenges in shield tunneling, particularly during the construction of the Nanjing Yangtze River Tunnel, which faced issues such as high water pressure and complex geological conditions [5][7] - The team led by Chen developed innovative solutions, including a world-first technology for switching cutter heads under normal pressure, which has been successfully applied in international projects [7][8] - Chen's research and innovations have resulted in direct economic benefits of 2.016 billion yuan and additional revenue of 38 billion yuan for the company [7] Group 2: Team Development and Industry Impact - Under Chen's leadership, a specialized team of 1,900 members has been established, mastering ten core technologies and completing complex geological tasks across various projects [13] - The company has been involved in major infrastructure projects across China, including the "First Tunnel Under the Yellow River," addressing extreme geological conditions [8][14] - Chen emphasizes the importance of lifelong learning and technological innovation to drive industry development, aiming to tackle future challenges in shield tunneling [14]