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Catalogue : Details

Alena Conrads

Maintenance of Cutting Tools in Mechanised Tunnelling - Development of a Process Simulation Model for the Scheduling and Evaluation of Maintenance Strategies

FrontBack
 
ISBN:978-3-8440-8424-5
Series:Schriftenreihe des Instituts für Konstruktiven Ingenieurbau
Herausgeber: 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
Keywords:Mechanised Tunnelling; Hydroshild TBM; Cutting Tools; Maintenance; Maintenance Strategies; Maintenance Scheduling; Maintenance Cost Estimation; Process Simulation; Simulation Model
Type of publication:Thesis
Language:English
Pages:208 pages
Figures:66 figures
Weight:308 g
Format:21 x 14,8 cm
Bindung:Paperback
Price:49,80 € / 62,30 SFr
Published:January 2022
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Abstract: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.