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Determination of dominant degradation mechanisms of RC bridge deck slabs under cyclic moving loads
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| Title: | Determination of dominant degradation mechanisms of RC bridge deck slabs under cyclic moving loads |
| Authors: | Deng, Pengru Browse this author | | Matsumoto, Takashi Browse this author →KAKEN DB |
| Keywords: | RC bridge slabs | | Cyclicmoving load | | Crack bridging | | Punching shear | | Fatigue |
| Issue Date: | Jul-2018 |
| Publisher: | Elsevier |
| Journal Title: | International journal of fatigue |
| Volume: | 112 |
| Start Page: | 328 |
| End Page: | 340 |
| Publisher DOI: | 10.1016/j.ijfatigue.2018.03.033 |
| Abstract: | In this paper, fatigue behaviors of RC bridge deck slabs which fail in an unexpected but widely observed punching shear failure mode under cyclic moving loads is analyzed following a fracture mechanics based theoretical method. This method is developed focusing on the propagation and failure along the critical punching shear cracks. From analysis, some key indicators of structural fatigue performances, including the fatigue crack growth of critical punching shear crack, stress evolutions of all materials and sectional forces, moments and crack mouth opening displacements (CMODs) due to all components along the critical punching shear crack cross sections and fatigue life, are obtained. These information are then based on to identify the dominant degradation mechanisms of RC bridge deck slabs subjected to cyclic loads, which provides meaningful and reliable references for the development of an efficient and accurate numerical method. |
| Rights: | © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | | http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/78768 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: Deng Pengru
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