Development course of China Railway Tunnel Group Co., Ltd.

Since the restructuring of China Railway Tunnel Group in May, 20001,China Railway Tunnel Group has been aiming at the overall development goal of "leading in China and famous in the world", carrying forward the enterprise concept of "big industry, big school, big family and big stage", fully implementing Scientific Outlook on Development, advancing with the times, facing difficulties, seizing opportunities, improving capabilities, taking reform as the driving force, management as the basis and science and technology as the guide. Take innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, innovation as the driving force, and innovation as the driving force to promote scientific and modern management, so as to build a modern enterprise system that meets the requirements and adapts. The operation and production have reached a new level every year, and the competitiveness of enterprises has been significantly enhanced, realizing the sustained and rapid development of China Railway Tunnel Group in a highly competitive market environment.

In recent years, the application of large-scale advanced equipment construction technology has made a breakthrough, 5 1 shield engineering 195 km; Eight TBM projects have been completed, with a total length of 140 km. Up to now, 35 1 scientific research achievements of * * * have passed the evaluation, appraisal and acceptance of enterprises or provincial and ministerial science and technology departments, including 2 internationally advanced, 32 internationally advanced, 63 domestically advanced and 5 1 domestically advanced. Won 9 national science and technology progress awards (including the grand prize 1), 2 China Construction Science and Technology Awards of Zoomlion Cup, and 70 provincial and ministerial science and technology progress awards. 26 patents have been obtained, including 6 invention patents and 20 utility model patents. National construction method 17, Ministry construction method 43, enterprise construction method11.

The Group adheres to the technology research and development strategy, devotes itself to the research, development and application of new technologies and new processes in the field of tunnels and underground engineering, initiates shallow-buried excavation method, and takes the lead in introducing, absorbing and comprehensively mastering NATM construction technology in China, especially in tunnels and underground engineering under complex and special geological conditions such as fault fracture zone, weak surrounding rock, expansive surrounding rock, high ground stress, coal-bearing gas layer, water inrush, karst, rock pile, quicksand and loess.