Combined photogrammetry and mechanical testing of fired clay brick

A novel experimental tensile apparatus and testing methodology, developed in order to define necessary material parameters for mathematical formulation of a constitutive model of fired clay brick is presented in this paper. In order to account for irregularities in sample geometry, a photogrammetry...

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Bibliographic Details
Published in:Materialwissenschaft und Werkstofftechnik 2018-11, Vol.49 (11), p.1399-1408
Main Authors: Batinić, M., Galić, M., Trogrlić, B., Divić, V., Racetin, I., Mihanović, A.
Format: Article
Language:English
Subjects:
Clay
Coefficients
Constitutive models
Fired clay brick
Gebrannte Ziegel
Irregularities
mechanical properties
Mechanical tests
mechanische Eigenschaften
Modulus of elasticity
photogrammetrischer Arbeitsablauf
Photogrammetry
photogrammetry workflow
Statistical analysis
Statistical methods
Strain
tensile strength
Tensile stress
tensile testing
Test firing
Workflow
Zugfestigkeitsprüfung / Zugfestigkeit
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Summary:A novel experimental tensile apparatus and testing methodology, developed in order to define necessary material parameters for mathematical formulation of a constitutive model of fired clay brick is presented in this paper. In order to account for irregularities in sample geometry, a photogrammetry workflow for digital 3D reconstruction of samples was conducted, and non‐dimensional coefficients accounting for geometric irregularities of test specimen was introduced. Mechanical tests were carried out on a series of fired clay brick specimens, sampled from brick blocks. Statistically analysed experimental data, corrected with the aforementioned coefficients, yielded modulus of elasticity, Poisson's coefficient, and extreme tensile stress/strain relationships that, were used in the proposed numerical constitutive model.
ISSN:0933-5137
1521-4052
DOI:10.1002/mawe.201700106