Abstract:

In this paper, the author analyzes the domestic and international situation and future of TBM/shield tunneling technology and summarizes the factors that limit the application and development of TBM/shield tunneling technology. The author states that it is of great importance to understand TBM/shield tunneling, which is featured by high investment, high technology, high efficiency and high risks. The author mainly discusses the technological trend of TBM/shield tunneling technology and suggests that the study on TBM/shield tunneling technology should focus on the following topics: 1) assistant construction methods for TBM/shield boring; 2) improving the technological performance of TBM/shield; 3) minimizing TBM/shield manufacturing cost and TBM/shield tunneling cost; 4) segment lining for TBM/shield bored tunnels. Finally, the author makes some recommendations on the organization mode of TBM/shield tunneling enterprises.

Key words: TBM/shield, high investment, high technology, high efficiency, high risk, assistant construction method, hazard forecast, automatic control, jam overcoming, cutterhead, cutting tool, segment, production organization mode