Hardrock Tunnel Boring Machines (PDF)

HISTORICAL DEVELOPMENT AND FUTURE DEMANDS BASIC PRINCIPLES AND DEFINITIONS Basic Principle and Procedure Definitions and Terms TUNNELING Tunneling Procedure The Cutterhead Cutting Tools Drive Unit Thrust Capacity Special Designs THRUST General Information Thrust with Gripper System Thrust with Shield-TBM MATERIAL TRANSPORT Material Transport in Machine Area Material Transport through the Tunnel EQUIPMENT OF THE BACKUP SYSTEMS Backup System Design Construction References VENTILATION, DUST CONTROL, WORK SAFETY, VIBRATIONS Ventilation Dust Control Industrial Safety and Safety Planning in TBM Operation Vibrations ADDITIONAL EQUIPMENT Exploring and Improving of Geological Conditions Rock Support Equipment TBM Control Investigation/Survey ROCK SUPPORT General Information Rock Support Systems and Performance Rates Systematic Safety in the machine area Shotcrete Rock Support Specific Safety Stabilization in front of the Cutterhead COMBINATIONS OF TBM AND SHIELD MACHINES Roofs Partial Shields and Cutterhead Shields Walking Blade TBM Full Face Double Shields Shields with Liquid conveyance Shields with Snail Conveyor Micro Machines for Hard Rock SPECIAL PROCEEDINGS.COMBINATION OF TBM AND SHOTCRETING Different Utilization Procedure Options GEOLOGICAL ANALYSES AND INFLUENCES General Information Influences on the Tunneling Process Influences on the Gripper System of the Machine Influences Rock Support CLASSIFICATION EXCAVATION AND SUPPORT General Information and Goals for mechanized tunneling Classification Systems Norms, Rules and Recommendations Author's Recommendation for Classification ADVERTISEMENT, BIDDING PROCESS, AWARD, CONTRACT Examples of Procedure Planning and Geotechnical Qualifications for the Advertisement of a Mechanized Tunneling as a Secondary Offer LINING General Information Principles for Lining a Tunnel Lining with Concrete Segments Local Concrete Shotcrete Segments for permanent Lining Statistical Analysis EXAMPLES OF COMPLETED CONSTRUCTIONS Tunnel Operation

Die vier Autoren arbeiten alle in verschiedenen Bereichen des Tunnelbaus.
Professor Maidl ist seit 1974 Ordinarius am Lehrstuhl für Bauverfahrenstechnik, Tunnelbau und Baubetrieb an der Ruhr-Universität in Bochum. 1979 gründete er das Ingenieurbüro Maidl und Maidl in Bochum, das an vielen großen und schwierigen Tunnelprojekten im In- und Ausland beteiligt ist.
Herr Dr. Herrenknecht ist Firmengründer und Vorstandsvorsitzender des weltweit führenden Unternehmens für Schildvortriebsmaschinen.
Herr Schmid plant Tunnelbauprojekte und leitet ein Ingenieurbüro in der Schweiz.
Herr Ritz war Direktor einer Tunnelbaufirma in der Schweiz und hat umfangreiche Erfahrungen auf der Bauausführungsseite.

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