This book systematically introduces the new technology used in the construction of underwater large slurry shields under complex conditions. The basic principles, scope of application, construction technology and technical points of the key technologies such as the origin and arrival of the shield, crossing the shallow soil in the middle of the river, crossing the guard, and changing the knife and opening the knife are clarified.

Autorentext
Jian Chen, Ph.D. Graduated from the Ocean University of China, Deputy Chief Engineer and Chief Expert of China Railway 14th Bureau Group, a well-known domestic large shield expert, mainly engaged in technical management and scientific research of the large shield cross-river tunnel project. He was awarded the honorary title of "China Civil Engineering Zhan Tianyou Innovation Collective", "Mao Yisheng Railway Engineer", "Shandong Province Excellent Inventor", "Jiangsu Province Top Ten Staff Operation Law" and "Shandong Excellent Young Intellectuals". Successfully completed the construction of large-scale underwater tunnels such as the Nanjing Yangtze River Tunnel, the Yangzhou Slender West Lake Tunnel, and the Wuhan Metro Line 8 Cross-river Tunnel. The scientific and technological achievements of the research and development have reached international advanced and domestic leading level. He received 6 provincial and ministerial-level scientific and technological progress first prizes, 2 second prizes; 1 national-level construction method, 5 provincial-level construction methods; 23 national patents authorized; 1 monograph published; published core and above scientific papers 14 Article.
Fanlu Min, Ph.D., associate professor of Hohai University, master tutor, visiting scholar of Hong Kong University of Science and Technology, selected as a big scholar program at Hohai University. He is mainly engaged in research and teaching of underwater shield tunnels, urban subways, and other aspects. He has presided over 5 vertical projects such as the National Natural Science Foundation of China and the National 973 Program Sub-project, and presided over or participated in the Nanjing Yangtze River Tunnel, the Nanjing Weisan Road Crossing River Tunnel, the Yangzhou Slender West Lake Tunnel, the South-to-North Water Transfer Middle Line, the Yellow River Tunnel, and the Wuhan River Crossing Subway. More than 10 large-diameter underwater shield tunnels and technological innovations in urban subways. He won the first prize of provincial and ministerial level scientific and technological progress award; authorized 16 invention patents; published 1 monograph; published more than 60 papers, including 30 SCI/EI papers.
Shouhui Wang, professor-level senior engineer, Vice General Manager of Qingdao Metro Group Co., Ltd., Expert of Underground and Tunnel Engineering Technology. Mainly engaged in mountain tunnels, subway tunnels, large diameter river-crossing tunnels, and other technical management and research and development work. He has won the honorary titles of "Excellent Project Manager of Railway Construction Enterprise", "Excellent Project Manager of National Construction", "Labor Model of Central Enterprise" and "May Day Labor Medal" of Jiangsu Province. He has presided over or participated in the construction of major engineering projects such as Qiling Tunnel of Beijing-Kowloon Line, Gulou Underground Tunnel of Nanjing, Banshiling Tunnel of Changbai Highway and Yangtze River Tunnel of Nanjing, and many scientific research achievements have reached the international advanced and domestic leading level. He has won 1 second prize for national scientific and technological progress, 5 first prize for provincial and ministerial scientific and technological progress, 1 second and third prize for provincial and ministerial scientific and technological progress, 1 monograph and more than 10 scientific and technological papers.

Inhalt
Introduction.- Large Diameter Shield Origination and Arrival Technology.- The Key Technology of Large Diameter Shield Tunneling Shallow Overburden Construction.- The Key Technology of Large-diameter Shield Tunneling through the Embankment.- Technology of slurry Shield Crossing High Infiltration Induced Gravel Composite Stratum in River.- Long-distance Tunneling of Shields and Replacement of Cutting Tools in the River.- Construction Technology of Shield Tunnel Crossing the Middle Channel Section of Yangtze River.