Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibres
Considering the increasing interest of polymeric macro-fibres reinforced concrete, a simple and straightforward method to assess the fibre’s transverse to longitudinal deformation ratio (ηf) becomes a determining aspect in terms of fibre both characterization and fibre–matrix interaction optimizatio...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-11-01
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| Series: | Materials & Design |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0264127522007869 |
| _version_ | 1797991332724080640 |
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| author | T. Ikumi P. Pujadas J. de la Cruz I. Segura A. de la Fuente |
| author_facet | T. Ikumi P. Pujadas J. de la Cruz I. Segura A. de la Fuente |
| author_sort | T. Ikumi |
| collection | DOAJ |
| description | Considering the increasing interest of polymeric macro-fibres reinforced concrete, a simple and straightforward method to assess the fibre’s transverse to longitudinal deformation ratio (ηf) becomes a determining aspect in terms of fibre both characterization and fibre–matrix interaction optimization. A noncontact optical measurement procedure to assess this ratio (ηf) - for concrete reinforcement - by a modified 2D Digital Image Correlation method is presented in this paper. This ratio (ηf) has influence on the matrix-fibre interaction and, thus, on the post-cracking tensile response of the concrete composite. Details on the definition, implementation and validation of this measurement procedure are presented. Additionally, an experimental program on 20 selected lab grade and commercial fibres was carried out to analyse the consistency of the measurements and the influence of the fibre’s geometric characteristics (flat, curved, embossed or crimped) on the ηf. The outcomes of this research and the experimental procedure proposed are meant to assist fibre producers on the design process of optimized fibres to be used in structural concrete. |
| first_indexed | 2024-04-11T08:50:27Z |
| format | Article |
| id | doaj.art-30725b3bbbf94e42b32da2cb09feff6b |
| institution | Directory Open Access Journal |
| issn | 0264-1275 |
| language | English |
| last_indexed | 2024-04-11T08:50:27Z |
| publishDate | 2022-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Materials & Design |
| spelling | doaj.art-30725b3bbbf94e42b32da2cb09feff6b2022-12-22T04:33:35ZengElsevierMaterials & Design0264-12752022-11-01223111164Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibresT. Ikumi0P. Pujadas1J. de la Cruz2I. Segura3A. de la Fuente4Smart Engineering Ltd, C/Jordi Girona, 1-3, Parc UPC – K2M, Barcelona 08034, Spain; Department of Project and Construction Engineering, Polytechnic University of Catalonia (UPC), Av. Diagonal 647, Barcelona, 08028, SpainDepartment of Project and Construction Engineering, Polytechnic University of Catalonia (UPC), Av. Diagonal 647, Barcelona, 08028, Spain; Group of Construction Research and Innovation (GRIC), C/ Colom, 11, Ed. TR5, Terrassa, Barcelona 08222, Spain; Corresponding author at: Department of Project and Construction Engineering, School of Industrial Engineering of Barcelona (ETSEIB), Technical University of Catalonia-BarcelonaTech, Av. Diagonal 647, 08028 Barcelona, Spain.Department of Civil and Environmental Engineering, Polytechnic University of Catalonia (UPC), C/ Jordi Girona 1-3, Barcelona, 08034, SpainDepartment of Civil and Environmental Engineering, Polytechnic University of Catalonia (UPC), C/ Jordi Girona 1-3, Barcelona, 08034, SpainDepartment of Civil and Environmental Engineering, Polytechnic University of Catalonia (UPC), C/ Jordi Girona 1-3, Barcelona, 08034, SpainConsidering the increasing interest of polymeric macro-fibres reinforced concrete, a simple and straightforward method to assess the fibre’s transverse to longitudinal deformation ratio (ηf) becomes a determining aspect in terms of fibre both characterization and fibre–matrix interaction optimization. A noncontact optical measurement procedure to assess this ratio (ηf) - for concrete reinforcement - by a modified 2D Digital Image Correlation method is presented in this paper. This ratio (ηf) has influence on the matrix-fibre interaction and, thus, on the post-cracking tensile response of the concrete composite. Details on the definition, implementation and validation of this measurement procedure are presented. Additionally, an experimental program on 20 selected lab grade and commercial fibres was carried out to analyse the consistency of the measurements and the influence of the fibre’s geometric characteristics (flat, curved, embossed or crimped) on the ηf. The outcomes of this research and the experimental procedure proposed are meant to assist fibre producers on the design process of optimized fibres to be used in structural concrete.http://www.sciencedirect.com/science/article/pii/S0264127522007869Poisson’s ratioPolymeric macro-fibreConcreteFibre reinforced concreteDICDeformation |
| spellingShingle | T. Ikumi P. Pujadas J. de la Cruz I. Segura A. de la Fuente Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibres Materials & Design Poisson’s ratio Polymeric macro-fibre Concrete Fibre reinforced concrete DIC Deformation |
| title | Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibres |
| title_full | Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibres |
| title_fullStr | Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibres |
| title_full_unstemmed | Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibres |
| title_short | Modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro-fibres |
| title_sort | modified digital image correlation aided measurement of the transverse to longitudinal deformation ratio for polymeric macro fibres |
| topic | Poisson’s ratio Polymeric macro-fibre Concrete Fibre reinforced concrete DIC Deformation |
| url | http://www.sciencedirect.com/science/article/pii/S0264127522007869 |
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