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MIARKA, P. CRUCES, A. LOPÉZ-CRESPO, P. DE CORTE, W.
Original Title
Fracture process zone development and length assessment under the mixed-mode I/II load analysed by digital image correlation technique.
Type
journal article in Web of Science
Language
English
Original Abstract
In this paper, the fracture process zone (FPZ) of high-performance concrete (HPC) is investigated under mixed-mode I/II load conditions, and its formation is studied by applying digital image correlation (DIC). The experimental tests are performed on Brazilian disc specimens with central notch (BDCN). The traction-free crack and the FPZ extent ahead of the crack are localised. This is done by modification of the existing methodology for mode I cracks to account for various mixed-mode I/II loading conditions. Analytical and linear elastic fracture mechanics (LEFM) methods for the critical strain are used to find the FPZ extension. Lastly, this paper revisits the analytical formulas used in the prediction of mode I FPZ lengths. These formulas are adjusted to allow for the prediction of the FPZ length in the whole range of mixed-mode I/II load conditions. Experimental results show that the FPZ has a different size for various mixed-mode I/II load conditions.
Keywords
HPC; FPZ; Mixed-mode I/II; DIC
Authors
MIARKA, P.; CRUCES, A.; LOPÉZ-CRESPO, P.; DE CORTE, W.
Released
25. 7. 2023
Publisher
Elsevier
ISBN
0008-8846
Periodical
Cement and Concrete Research
Year of study
173
Number
107261
State
United Kingdom of Great Britain and Northern Ireland
Pages from
1
Pages to
22
Pages count
URL
https://www.sciencedirect.com/science/article/pii/S0008884623001758?via%3Dihub
BibTex
@article{BUT184258, author="Petr {Miarka} and Alejandro {Cruces} and Pablo {Lopéz-Crespo} and Wouter {De Corte}", title="Fracture process zone development and length assessment under the mixed-mode I/II load analysed by digital image correlation technique.", journal="Cement and Concrete Research", year="2023", volume="173", number="107261", pages="1--22", doi="10.1016/j.cemconres.2023.107261", issn="0008-8846", url="https://www.sciencedirect.com/science/article/pii/S0008884623001758?via%3Dihub" }
Documents
R1_Mixed_mode_I+II_Miarka_et_al_clean.pdf