Numerical Modeling and Diagnostic of FRC Slab under Centric and Eccentric Load

The solved area of research is the slab in interaction with the subsoil, where the goal is numerical modeling of the problem using a 3D computational model and nonlinear analysis. Specifically, the case of two experiments with a slab with centric and eccentric loading is solved. The performed experi...

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Bibliographic Details
Published in:Civil and environmental engineering (Berlin) 2022-06, Vol.18 (1), p.17-28
Main Authors: Marcalíková, Zuzana, Čajka, Radim
Format: Article
Language:English
Subjects:
Experiment
Fiber-reinforced concrete
Numerical modelling
Slab
Tensile strength
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Summary:The solved area of research is the slab in interaction with the subsoil, where the goal is numerical modeling of the problem using a 3D computational model and nonlinear analysis. Specifically, the case of two experiments with a slab with centric and eccentric loading is solved. The performed experiments are used after for numerical modelling when a comprehensive set of laboratory tests of mechanical properties of fiber-reinforced concrete is also performed. Specifically, compressive strength, modulus of elasticity, splitting tensile test and bending tensile test were performed. The performed experiments are evaluated using 2D sections and 3D approximation surfaces, which are then used for load-displacement diagrams. Numerical modeling is based on nonlinear analysis and the use of the finite element method. The computational model use isoparametric finite elements. Based on the performed experiments and numerical modeling, the evaluation of the solved task is performed.
ISSN:2199-6512
2199-6512
DOI:10.2478/cee-2022-0002