Shield Tunneling Technology in Mixed Face Ground Conditions

Weibin ZHU, special allowance expert of the State Council, visiting professor of Hehai University and Guangzhou University, chief expert of Shield Technology Institute of Guangzhou Metro, chairman of the Special Committee of Engineering Cases of the Chinese Society for Rock Mechanics and Engineering. He has founded the shield tunneling technology system in mixed face ground conditions, published more than 100 professional papers, 10 patents and 20 books, and mainly engaged in shield tunneling technology research and metro construction management. Shijian JU, a part time professor of China University of Mining and Technology and expert consultant of Guangzhou Metro Design Institute. Before retirement he has been the shield section director in the early construction period of Guangzhou metro line 1 and line 2. He has published over 4 professional books. In recent ten years he has been engaged in research works of shield engineering construction technology. Hui WANG, engaged in rail transit engineering supervision, project management, engineering consulting fields for more than 25 years and was bestowed Guangdong municipal industry excellent general engineer, excellent director and other titles. He has published over 5professional books and his current research interests include engineering management, construction risks prevention and control as well as construction technology.