Image Analysis for Deformation Behaviors of RC Beams with Simulated Deteriorations under Moving Wheel Load
Source abstract
Abstract
In Japan, RC bridges slabs constructed during the high economic growth period are suffering from severe deteriorate due to fatigue. In cold and snowy regions, in addition to fatigue, the deterioration is accelerated and aggravated simultaneously by freeze-thaw cycles and water penetration simultaneously. Hence, in this study, aiming at investigating the deterioration due to this combined action, three RC beams were artificially damaged on the top surface by introducing expansion agents to simulate the freeze-thaw cycle damages beforehand, and then subjected to moving wheel load under either dry or wet condition. In the experiment, a scaling-off and a disintegration were observed on the top surface due to the existence of water. Besides, to facilitate the elucidation of the mechanisms, image analysis was employed to obtain the displacement distributions and strain distributions on the side surfaces of the specimens during the test. The results of image analysis clearly manifested that the water-induced deteriorations lead to a localized compressive strain on the upper part of the beams as well as detrimentally affected the propagation of the shear and bending cracks under the moving wheel load. In summary, the mechanical reasons of the remarkably shortened fatigue life of artificially damaged RC bridge slabs due to combined fatigue loads and water penetration were uncovered in this study taking advantage of the strengths of image analysis, which also provides reference and inspiration for further related studies.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Structural Behavior of Reinforced Concrete · Infrastructure Maintenance and Monitoring · Innovative concrete reinforcement materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8 Kita-ku Sapporo, Japan.
Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8 Kita-ku Sapporo, Japan.
References (22)
Show source-provided references
1. 1) Abe, T., (2015). “Fatigue prediction life and evaluation of the integrity of road bridge RC slabs.” Journal of Structural Engineering, JSCE, 61A, 1050-1061. (in Japanese)
2. 2) Deng, P. and Matsumoto, T., (2018). “Determination of dominant degradation mechanisms of RC bridge deck slabs under cyclic moving loads.” Int. J. Fatigue, 112, 328-340.10.1016/j.ijfatigue.2018.03.033 ↗
3. 3) Deng, P. and Matsumoto, T., (2019). “Fracture mechanics-based fatigue life prediction method for RC slabs in punching shear failure mode.” J. Struct. Eng., 146(1), 04019186.10.1061/(ASCE)ST.1943-541X.0002504 ↗
4. 4) Deng, P., Kakuma, K., Mitamura, H. and Matsumoto, T., (2020). “Fatigue analysis of partly damaged RC slabs repaired with overlaid UHPFRC.” Struct. Eng. Mech., 75, 19-32.
5. 5) Drar, A. A. and Matsumoto, T., (2016). “Fatigue analysis of RC slabs reinforced with plain bars based on the bridging stress degradation concept.” J. Adv. Concr. Technol., 14(1), 21-34.10.3151/jact.14.21 ↗
6. 6) Fujikawa, M., Adachi, Y., Ono, T., Mitamura, H. and Matsui, S., (2006). “The study to durability of reinforcement concrete decks in snowy and cold region.” Proc. of JSCE, Hokkaido Branch, 63, F-4. (in Japanese)
7. 7) Huang, W., Gong, F., Jin, W. and Maekawa, K., (2021). “Numerical analysis of high and low-cycle flexural fatigue for reinforced concrete beams under full-range of varying amplitudes.” Structural Concrete, 22(4), 2167-2183.10.1002/suco.202100074 ↗
8. 8) Kakuma, K. and Nishi, H., (2019) “Wheel load running test of RC beams with simulated layered crack.” Civil Engineering Research Institute Monthly Report, 792(5), 28-33. (in Japanese)
9. 9) Maeda, Y. and Matsui, S., (1984). “Punching shear load equation of reinforced concrete slabs.” Doboku Gakkai Ronbunshu, 1984(384), 133-141. (in Japanese)10.2208/jscej.1984.348_133 ↗
10. 10) Maekawa, K., Okamura, H. and Pimanmas, A., (2003). “Non-linear mechanics of reinforced concrete.” CRC Press.10.1201/9781482288087 ↗
11. 11) Matsuda, Yuka., Kakuma, K., Matsumoto, T. and Nishi, H., (2018). “Mechanical characteristics of concrete with layered cracks.” Proc. of JSCE, Hokkaido Branch, 74, A-40. (in Japanese)
12. 12) Matsue, K., Matsumoto, T. and Nishi, H., (2019). “Observation on the flexural behaviors of RC beams with artificial horizontal cracks by image analysis.” Proc. of JSCE, Hokkaido Branch, 75, A-16. (in Japanese)
13. 13) Matsui, S., (2007). “Road bridge slab design, construction and maintenance.” Japan: Morikita Publishing. (in Japanese)
14. 14) Matsumoto, T. and Sakuraba, H., (2011). “Flexural behavior of CFRP box and strain measurement by image analysis.” J. of JSCE, Ser. A2u, 67(2), I.793-I.800. (in Japanese)10.2208/jscejam.67.I_793 ↗
15. 15) Matsushita, H., (1980). “A study on compressive fatigue strength of concrete in water.” Proc. of the Japan Society of Civil Engineers, 1980(296), 87-95. (in Japanese)10.2208/jscej1969.1980.296_87 ↗
16. 16) Mitamura, H., Satou, T., Honda, K. and Matsui, S., (2009). “Influence of frost damage on fatigue failure of RC deck slabs on road bridges.” Journal of Structural Engineering, JSCE, 55A, 1420-1431. (in Japanese)
17. 17) Mitamura. H., Sato, T., Nishi, H. and Watanabe, T., (2010). “Study on a method to extend the life of RC slab structures in cold snowy regions.” Journal of Structural Engineering, JSCE, 56A, 1239-1248. (in Japanese)
18. 18) Mitamura, H., Shakushiro, K., Matsumoto, T. and Matsui, S., (2012). “Experimental study on fatigue durability of RC deck slabs with overlay retrofit.” Journal of Structural Engineering, JSCE, 58A, 1166-1177. (in Japanese)
19. 19) Pimanmas, A. and Maekawa, K., (2001). “Influence of pre-crack on RC behavior in shear.” Doboku Gakkai Ronbunshu, 2001(669), 277-291.10.2208/jscej.2001.669_277 ↗
20. 20) Sawamatsu, T., Okada, S. and Yamazaki, T., (2013). “Destruction of slab about shisungawa bridge on route 275.” 56th (2012) Hokkaido Technical Research Presentation, Japan. (in Japanese)
21. 21) Suthiwarapirak, P. and Matsumoto, T., (2006). “Fatigue analysis of RC slabs and repaired RC slabs based on crack bridging degradation concept.” J. Struct. Eng., 132(6), 939-948.10.1061/(ASCE)0733-9445(2006)132:6(939) ↗
22. 22) Takeda, T., Mikami, S., Oshima, T. and Suzuki, K., (2015). “Study on deterioration environment of bridges and deterioration prediction of RC slabs in a cold region.” Journal of Structural Engineering, JSCE, 53A, 674-683. (in Japanese)