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A cost-effective stereo camera-based system for measuring crack propagation in fibre-reinforced concrete

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
This paper shows a new low-cost technology for the measurement of crack propagation in quasi-fragile materials based on a stereo pair of cameras and LED light spots. The two cameras record the displacement experienced by a series of LED white lights. For each frame, the X, Y and Z 3D coordinates of all the centroids of the LED points are obtained. From this information, it is possible to determine the variation of the distance between any two of them. In this case, 2 strips of 12 LED lights each were arranged in such a way that the points of both strips coincided in pairs in height. The algorithm made it possible to monitor the increase in distance that occurred between each pair of lights at the same height. The paper shows the mathematical basis of this technological solution. A test has been carried out by installing this system in a concrete cube 150 mm side and subjected to a wedge-splitting test. The results show that it is possible to monitor the crack propagation (position of the crack front) during the test and to know the crack width too. At present, the accuracy of this technique is only limited by the camera resolution and the computer processing capability.
Rocznik
Strony
art. no. e192, 2023
Opis fizyczny
Bibliogr. 32 poz., rys., wykr.
Twórcy
  • Department of Civil Engineering, Universidad de Burgos, C. Villadiego s/n, 09001 Burgos, Spain
  • Department of Computer Engineering, Universidad de Burgos, Avda. Cantabria s/n, 09006 Burgos, Spain
  • Department of Civil Engineering, Universidad de Burgos, C. Villadiego s/n, 09001 Burgos, Spain
  • Department of Computer Engineering, Universidad de Burgos, Avda. Cantabria s/n, 09006 Burgos, Spain
  • Department of Computer Engineering, Universidad de Burgos, Avda. Cantabria s/n, 09006 Burgos, Spain
  • Department of Civil Engineering, Universidad de Burgos, C. Villadiego s/n, 09001 Burgos, Spain
  • Department of Civil Engineering, Universidad de Burgos, C. Villadiego s/n, 09001 Burgos, Spain
Bibliografia
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  • 3. Mohan A, Poobal S. Crack detection using image processing: a critical review and analysis. Alex Eng J. 2018;57(2):787–98. https://doi.org/10.1016/j.aej.2017.01.020.
  • 4. Zhang Y, Woody Ju J, Xu F, Yan Z, Zhu H. A novel microme- chanical model of residual fracture energy of hooked-end steel fiber reinforced concrete exposed to high temperature. Constr Build Mater. 2021;278:122211. https://doi.org/10.1016/j.conbu ildmat.2020.122211.
  • 5. Congro M, Sanchez ECM, Roehl D, Marangon E. Fracture mod- eling of fiber reinforced concrete in a multiscale approach. Compos B Eng. 2019;174(March):106958. https://doi.org/10.1016/j. compositesb.2019.106958.
  • 6. Montero-Chacón F, Cifuentes H, Medina F. Mesoscale charac- terization of fracture properties of steel fiber-reinforced concrete using a lattice-particle model. Materials. 2017. https://doi.org/10. 3390/ma10020207.
  • 7. Bielak J, Li Y, Hegger J, Chudoba R. Numerical and experimental characterization of Anchorage length for textile reinforced concrete. In: Mechtcherine V, Slowik V, Kabele P, editors. Strain- hardening cement-based composites. Springer; 2018. pp. 409–17. https://doi.org/10.1007/978-94-024-1194-2_48.
  • 8. Ju M, Li J, Yao Q, Li X, Zhao J. Rate effect on crack propa- gation measurement results with crack propagation gauge, digital image correlation, and visual methods. Eng Fract Mech. 2019;219(June):106537. https://doi.org/10.1016/j.engfracmech. 2019.106537.
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  • 12. Ahmad Aasim B, Khaliq Karimi A, Toimyama J, Aydan O. Numerical verification of accelerometer-based assessment of hollow-type pretensioned concrete girder. Asian J Civil Eng. 2020;21:437–47.
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  • 16. Mazzoli A, Monosi S, Plescia ES. Evaluation of the early-age- shrinkage of fiber reinforced concrete (FRC) using image analysis methods. Constr Build Mater. 2015;101:596–601. https://doi.org/ 10.1016/j.conbuildmat.2015.10.090.
  • 17. Kanema JM, Eid J, Taibi S. Shrinkage of earth concrete amended with recycled aggregates and superplasticizer: impact on mechanical properties and cracks. Mater Des. 2016;109:378–89. https:// doi.org/10.1016/j.matdes.2016.07.025.
  • 18. Fayyad TM, Lees JM. Experimental investigation of crack propa- gation and crack branching in lightly reinforced concrete beams using digital image correlation. Eng Fract Mech. 2017;182:487– 505. https://doi.org/10.1016/j.engfracmech.2017.04.051.
  • 19. Gehri N, Mata-Falcón J, Kaufmann W. Automated crack detection and measurement based on digital image correlation. Constr Build Mater. 2020;256:119383. https://doi.org/10.1016/j.conbuildmat. 2020.119383.
  • 20. Hamrat M, Boulekbache B, Chemrouk M, Amziane S. Flexural cracking behavior of normal strength, high strength and high strength fiber concrete beams, using Digital Image Correlation technique. Constr Build Mater. 2016;106:678–92. https://doi.org/ 10.1016/j.conbuildmat.2015.12.166.
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  • 23. Kim H, Ahn E, Cho S, Shin M, Sim SH. Comparative analysis of image binarization methods for crack identification in concrete structures. Cem Concr Res. 2017;99(April):53–61. https://doi.org/ 10.1016/j.cemconres.2017.04.018.
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  • 26. Brühwiler E, Wittmann FH. The wedge splitting test, a new method of performing stable fracture mechanics tests. Eng Fract Mech. 1990;35(1–3):117–25. https:// doi. org/ 10. 1016/ 0013- 7944(90)90189-N.
  • 27. González DC, Mínguez J, Vicente MA, Cambronero F, Aragón G. Study of the effect of the fibers’ orientation on the post-cracking behavior of steel fiber reinforced concrete from wedge-splitting tests and computed tomography scanning. Constr Build Mater. 2018;192:110–22. https://doi.org/10.1016/j.conbuildmat.2018.10. 104.
  • 28. Seitz SM, Curless B, Diebel J, Scharstein D, Szeliski R. A com- parison and evaluation of multi-view stereo reconstruction algo- rithms. Proc IEEE Comput Soc Conf Comput Vision Pattern Rec- ognit. 2006;1:519–26. https://doi.org/10.1109/CVPR.2006.19.
  • 29. Wang X, Wang C, Liu B, et al. Multi-view stereo in the Deep Learning Era: a comprehensive review. Displays. 2021;70(Octo- ber):102102. https://doi.org/10.1016/j.displa.2021.102102.
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Uwagi
PL
Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-02301b89-5fd8-4984-bf22-e800896fc3ea
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