Mechanised Shield Tunnelling

This book presents the state of the art in mechanised shield tunnelling technology and the various types of equipment, and provides design approaches as well as structural advice. Other chapters treat drilling equipment, conveyors, tunnel securing, surveying and controlling as well as occupational safety. Contractual aspects and process controlling are also presented in detail.

o. Prof. em. Dr.-Ing. Dr. h. c. mult. Bernhard Maidl was chair of construction method technology, tunnelling and construction management at the Ruhr-Universit?t Bochum. Currently, Prof. Maidl is partner at MTC - Maidl Tunnelconsultants GmbH & Co. KG, Duisburg. Dr. Martin Herrenknecht is CEO of Herrenknecht AG, Schwanau. The company is technology and market leader in mechanised tunnelling. It is the only company in the world that offers the state-of-the-art tunnelling equipment for all soil types and in all diameters. Dr. Herrenknecht founded the company in 1977.
Dr. Ulrich Maidl is general manager of MTC - Maidl Tunnelconsultants GmbH & Co. KG, Duisburg and is a publically appointed and accredited expert for tunnelling and micro-tunnelling.
Dr. Gerhard Wehrmeyer heads the Traffic Tunnelling division of Herrenknecht AG.

1. Introduction
2. Support of the cavity and settlement
3. Construction and design methods
4. Excavation tool and excavation process
5. Muck removal
6. The tunnel lining
7. Shield tail sealing, grouting works
8. Open shields
9. Compressed air shields
10. Slurry shields
11. Earth pressure balance shields
12. Convertible shields or multi mode machines
13. Special shields and special processes
14. Guided microtunnelling processes
15. Surveying and steering
16. Workplace safety
17. Partnering contract models and construction
18. Process controlling and management
19. DAUB recommendations for the selection of tunnelling machines