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49,80 €ISBN 978-3-8440-8424-5Softcover208 pages66 figures308 g21 x 14,8 cmEnglishThesis
January 2022
Alena Conrads
Maintenance of Cutting Tools in Mechanised Tunnelling - Development of a Process Simulation Model for the Scheduling and Evaluation of Maintenance Strategies
In mechanised tunnelling, a thorough scheduling of the maintenance processes for cutting tool changes is necessary to ensure the economic success of the project. Therefore, a maintenance scheduling method has been developed, which considers the uncertain wear prediction of the cutting tools as well as the project-specific boundary conditions. Process simulation is used to model and analyse the wear of cutting tools and to evaluate different maintenance strategies. The input of costs factors allows for an estimation of maintenance costs. Monte Carlo Simulations are conducted to consider uncertain input data. Sensitivity analyses are conducted in order to increase the knowledge of the system behaviour and dependencies. Based on the conducted analyses, a procedure to schedule and improve the maintenance of cutting tools is recommended using the proposed model.
Keywords: Mechanised Tunnelling; Hydroshild TBM; Cutting Tools; Maintenance; Maintenance Strategies; Maintenance Scheduling; Maintenance Cost Estimation; Process Simulation; Simulation Model
Schriftenreihe des Instituts für Konstruktiven Ingenieurbau
Edited by Prof. Dr.-Ing. R. Breitenbücher, Prof. Dr.-Ing. Rüdiger Höffer, Univ.-Prof. Dr. Markus Knobloch, Univ.-Prof. Dr.-Ing. habil. Peter Mark and Prof. Dr.-Ing. Markus Thewes, Bochum
Volume 2022,1
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