Numerical modelling of the mechanical behaviour of wood fibre-reinforced geopolymers

In this work, the mechanical behaviour of composite materials consisting of fly ash-based geopolymer reinforced with wood fibres is investigated for compressive and flexural loadings. The gathered test data were used to calibrate constitutive models for the geopolymer, consisting of the exponential...

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Bibliographic Details
Published in:Continuum mechanics and thermodynamics 2023-05, Vol.35 (3), p.957-969
Main Authors: Şerban, Dan-Andrei, Furtos, Gabriel, Marşavina, Liviu, Şoşdean, Corina, Negru, Radu
Format: Article
Language:English
Subjects:
Analysis
By products
Caustic soda
Civil engineering
Classical and Continuum Physics
Composite materials
Constitutive models
Emissions
Engineering Thermodynamics
Fibers
Finite element method
Fly ash
Geopolymers
Heat and Mass Transfer
Industrial plant emissions
Manufacturing
Mathematical models
Mechanical properties
Numerical analysis
Numerical models
Original Article
Physics
Physics and Astronomy
Refuse and refuse disposal
Shear strength
Sodium
Structural Materials
Theoretical and Applied Mechanics
Waste materials
Wood
Wood fibers
Yield criteria
Yield stress
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Summary:In this work, the mechanical behaviour of composite materials consisting of fly ash-based geopolymer reinforced with wood fibres is investigated for compressive and flexural loadings. The gathered test data were used to calibrate constitutive models for the geopolymer, consisting of the exponential Drucker–Prager yield criterion coupled with the concrete damage plasticity model. The numerical analyses were performed in the commercial software Abaqus, the results being compared with experimental data, yielding good correlations.
ISSN:0935-1175
1432-0959
DOI:10.1007/s00161-020-00934-9