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Compressive performance of 50 MPa strength concrete-filled square and circular tube (CFT) columns using recycled aggregate

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Compressive performance of 50 MPa strength concrete-filled square and circular tube (CFT) columns using recycled aggregate

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dc.contributor.author Choi, Sung-Mo es_ES
dc.contributor.author Choi, Won Ho es_ES
dc.contributor.author Lee, Kangseok es_ES
dc.contributor.author Ryoo, Jae-Yong es_ES
dc.contributor.author Kim, Sunhee es_ES
dc.contributor.author Park, Yong-Pil es_ES
dc.date.accessioned 2018-09-27T06:44:09Z
dc.date.available 2018-09-27T06:44:09Z
dc.date.issued 2018-06-05
dc.identifier.isbn 9788490486016
dc.identifier.uri http://hdl.handle.net/10251/108365
dc.description.abstract [EN] Recycled aggregate is an environmentally self-sustainable solution that can reduce construction waste and replace natural aggregates. However, there is a disadvantage in concrete such as initial strength drop and long-term strength development. Therefore, the interaction effect of the two materials can be expected by filling the cyclic aggregate concrete in the CFT column. In order to develop a concrete with compressive strength of 50 MPa as a recycled aggregate, we carried out a mixing experiment and fabricated 18 specimens to confirm the compressive behavior of a RCFT (Recycled Concrete Filled Tube) column that can be applied to actual buildings. Variable is the shape and thickness of steel pipe, concrete strength and mixing ratio, and coarse aggregate and fine aggregate are all used as recycled aggregate. The optimum mixing ratio for recycled aggregate concrete to be filled in the CFT filled steel pipe was found through three concrete preliminary mixing experiments. In addition, the compression test of the RCFT column was carried out to observe and analyze the buckling shape of the CFT column. Based on the analysis of the buckling configuration and the experimental data, the load-displacement curves of the specimens were drawn and the compressive behavior was analyzed. es_ES
dc.format.extent 9 es_ES
dc.language Inglés es_ES
dc.publisher Editorial Universitat Politècnica de València es_ES
dc.relation.ispartof Proceedings of the 12th International Conference on Advances in Steel-Concrete Composite Structures. ASCCS 2018 es_ES
dc.rights Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) es_ES
dc.subject Recycled aggregate es_ES
dc.subject CFT column es_ES
dc.subject Concrete-filled tube es_ES
dc.subject High-strength concrete es_ES
dc.title Compressive performance of 50 MPa strength concrete-filled square and circular tube (CFT) columns using recycled aggregate es_ES
dc.type Capítulo de libro es_ES
dc.type Comunicación en congreso es_ES
dc.identifier.doi 10.4995/ASCCS2018.2018.7021
dc.rights.accessRights Abierto es_ES
dc.description.bibliographicCitation Choi, S.; Choi, WH.; Lee, K.; Ryoo, J.; Kim, S.; Park, Y. (2018). Compressive performance of 50 MPa strength concrete-filled square and circular tube (CFT) columns using recycled aggregate. En Proceedings of the 12th International Conference on Advances in Steel-Concrete Composite Structures. ASCCS 2018. Editorial Universitat Politècnica de València. 305-313. https://doi.org/10.4995/ASCCS2018.2018.7021 es_ES
dc.description.accrualMethod OCS es_ES
dc.relation.conferencename 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018 es_ES
dc.relation.conferencedate Junio 27-29,2018 es_ES
dc.relation.conferenceplace Valencia, Spain es_ES
dc.relation.publisherversion http://ocs.editorial.upv.es/index.php/ASCCS/ASCCS2018/paper/view/7021 es_ES
dc.description.upvformatpinicio 305 es_ES
dc.description.upvformatpfin 313 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.relation.pasarela OCS\7021 es_ES


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