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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Optimization of input parameters for material modelling of fibre-reinforced concrete and application to the numerical simulation of tunnel lining
Author(s): Tereza Sajdlová; Radomír Pukl
Publication: Special Publication
Appears on pages(s): 353-362
Keywords: FE analysis, segmental tunnel lining, fibre-reinforced concrete, non-linear material models, identification of material parameters.
Abstract:Nonlinear finite element simulation has big potential in the field of fibre reinforced (FRC) structures. Special material models accounting for the high toughness and ductility are
available for modelling of FRC material. Input material parameters for the numerical models are of crucial importance here. They are identified from the measured responses of four-point bending beams using inverse analysis. The optimal material input data sets are utilized for nonlinear modelling of segmental tunnel lining. The utilization of steel-fibre-reinforced
concrete (SFRC) for segmental tunnel lining promises potential advantages in comparison to the traditionally reinforced concrete (RC) structures: faster manufacturing, lower risk of
corrosion, less damage during transport. Results from the experimental and numerical investigations for RC and SFRC segments are presented. The response of the structural
members under service loads and their damage under limit loads are evaluated in order to check and confirm the suitability of the SFRC segments for practical utilization.
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