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Paper convr-2013-61:
Process oriented numerical simulation of mechanized tunnelling using an IFC-based tunnel product model

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Stascheit J,Meschke G,Koch C,Hegeman F,König M

Process oriented numerical simulation of mechanized tunnelling using an IFC-based tunnel product model

Abstract:The use of underground space is a prerequisite for maintaining mobility and infrastructure in today’s crowded urban areas. In order to minimize risks and mitigate hazards, reasonably accurate numerical simulations of the tunneling process are required. The authors have previously proposed a comprehensive process-oriented 3D finite element simulation model. Information on tunnel projects, however, is usually only available in a heterogeneous and dispersed form, preventing complex simulation models from easily being employed in practice. In this contribution, an IFC-based product model for mechanized tunneling is presented that is used to automatically create a complex numerical simulation model. A model mapping procedure is proposed that links IFC representations of the ground, the tunnel, and the shield machine with the corresponding input of the parametric simulation model. The proposed approach is demonstrated by means of a parameter study for a metro tunnel excavation in Düsseldorf, Germany.

Keywords:Mechanized tunneling,Numerical simulation,Product modeling,IFC,Data exchange

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