Abstract
This study reports on the development of an operating model for an EPB Shield TBM simulator by the correlation between operating parameters. First, four main operating parameters required for excavation are analyzed, then multiple regression analysis estimates their requirements depending on the ground conditions and the TBM’s specifications. Further multiple regression analysis then determines the interactions between six operational actions and ten mechanical responses. Operating procedures are established, and interlock and warning alarm systems are designed for use in the operating model. Lastly, several simulations were tested for the operating model of the TBM simulator under various conditions.
Highlights
A tunnel boring machine (TBM) is a customized and optimized machine, yet its performance depends heavily on the competence of its operator
This study aimed to develop an operating model for application in a TBM simulator
Four main operating parameters required for excavation were analyzed
Summary
A tunnel boring machine (TBM) is a customized and optimized machine, yet its performance depends heavily on the competence of its operator. Most apprentice operators acquired practical skills for TBM operation through hands-on experience during on-site training. The apprentices can quickly learn the basic skills for TBM operation. As they focus on operating the TBM itself, most apprentice operators are less able to handle practical problems to achieve safe excavation and optimum performance when faced with various adverse ground conditions. The increasing prominence of issues surrounding operator training has led the TBM industry to explore efficient and safe training programs using theoretical tools and simulators to allow operators to handle situations relating to changing ground conditions [1,2,3]. Some TBM simulators have been developed in Europe, US, and China, their development processes and operating models have not yet been released, except for a micro TBM simulator [5]
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