Bond-slip response of novel half-hooked steel fibers in ultra-high-performance concrete
DC Field | Value | Language |
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dc.contributor.author | Yoo, Doo-Yeol | - |
dc.contributor.author | Choi, Hong-Joon | - |
dc.contributor.author | Kim, Soonho | - |
dc.date.accessioned | 2022-07-09T01:45:35Z | - |
dc.date.available | 2022-07-09T01:45:35Z | - |
dc.date.created | 2021-05-12 | - |
dc.date.issued | 2019-11 | - |
dc.identifier.issn | 0950-0618 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/146878 | - |
dc.description.abstract | In this study, an attempt was made to investigate the effect of end-hook angle on the rate-dependent bond-slip behavior of novel half-hooked steel fibers embedded in ultra-high-performance concrete (UHPC). For evaluating the effects of the number of plastic hinges and length in the end-hook portion, commercially available hooked steel fiber and short half-hooked steel fiber were additionally used. Three different end-hook angles of 30 degrees, 45 degrees, and 60 degrees, two different fiber inclination angles of 0 degrees and 45 degrees to take into account the random orientation of fibers in the composites, and various loading rates ranging from 0.018 mm/s (static) to 1186 mm/s (impact) were considered. Test results indicated that the most influential factor on the static pullout resistance in terms of the bond strengths and pullout energy was the length in the end-hook portion rather than the number of plastic hinges and end-hook angle if the fibers were pulled out without breakage. Increasing the end-hook angle was effective in enhancing the static and dynamic bond strengths and pullout energies of half-hooked fibers in UHPC given the pullout failure mode, and there was no effect of it if they were ruptured. In addition, the increase in length in the end-hook portion significantly improved the static bond strength and pullout energy in the aligned condition, whereas its effectiveness decreased under the impact loads. The use of half-hooked fiber or shorter length in the end-hook portion was effective in terms of the rate sensitivity to the pullout resistance compared with the commercial hooked fiber or the longer-length one, and the bond strength became more sensitive to the loading rate if the fiber was aligned rather than inclined. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.title | Bond-slip response of novel half-hooked steel fibers in ultra-high-performance concrete | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Yoo, Doo-Yeol | - |
dc.identifier.doi | 10.1016/j.conbuildmat.2019.07.099 | - |
dc.identifier.scopusid | 2-s2.0-85069588692 | - |
dc.identifier.wosid | 000487572800063 | - |
dc.identifier.bibliographicCitation | Construction and Building Materials, v.224, pp.743 - 761 | - |
dc.relation.isPartOf | Construction and Building Materials | - |
dc.citation.title | Construction and Building Materials | - |
dc.citation.volume | 224 | - |
dc.citation.startPage | 743 | - |
dc.citation.endPage | 761 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Construction & Building Technology | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Construction & Building Technology | - |
dc.relation.journalWebOfScienceCategory | Engineering, Civil | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.subject.keywordPlus | DYNAMIC PULLOUT BEHAVIOR | - |
dc.subject.keywordPlus | TENSILE BEHAVIOR | - |
dc.subject.keywordPlus | FLEXURAL BEHAVIOR | - |
dc.subject.keywordPlus | STRENGTH | - |
dc.subject.keywordPlus | COMPOSITES | - |
dc.subject.keywordPlus | STRAIGHT | - |
dc.subject.keywordPlus | ANGLE | - |
dc.subject.keywordAuthor | Ultra-high-performance concrete | - |
dc.subject.keywordAuthor | Novel half-hooked steel fiber | - |
dc.subject.keywordAuthor | End-hook angle | - |
dc.subject.keywordAuthor | Bond-slip behavior, Rate sensitivity | - |
dc.identifier.url | https://www.sciencedirect.com/science/article/pii/S0950061819317738?via%3Dihub | - |
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