Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Modeling Excavation Damaged Zone for Rock Mass Parameter Identification of Underground Engineering
Space-time effect of excavation damaged zone (EDZ) has great impact on identifying rock mass parameters in underground excavation engineering. In this paper, methods and models for simulating EDZ are reviewed and classified. Based on mechanism analysis, a practical model using radius-displacement-dependent deformation modulus is proposed for dynamic excavation feedback analysis. In the model, EDZ is viewed as a three dimensional heterogeneous and variable disturbing field of parameter during excavation process. Thus, deformation modulus of EDZ rock mass evolves with space-time change along with construction stages. The model is proved to be available in parameter identification for rapid feedback analysis of underground engineering.
Modeling Excavation Damaged Zone for Rock Mass Parameter Identification of Underground Engineering
Space-time effect of excavation damaged zone (EDZ) has great impact on identifying rock mass parameters in underground excavation engineering. In this paper, methods and models for simulating EDZ are reviewed and classified. Based on mechanism analysis, a practical model using radius-displacement-dependent deformation modulus is proposed for dynamic excavation feedback analysis. In the model, EDZ is viewed as a three dimensional heterogeneous and variable disturbing field of parameter during excavation process. Thus, deformation modulus of EDZ rock mass evolves with space-time change along with construction stages. The model is proved to be available in parameter identification for rapid feedback analysis of underground engineering.
Modeling Excavation Damaged Zone for Rock Mass Parameter Identification of Underground Engineering
Advanced Materials Research ; 1065-1069 ; 437-441
11.12.2014
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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