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Article: Strengthening Design of RC Columns with Direct Fastening Steel Jackets
Title | Strengthening Design of RC Columns with Direct Fastening Steel Jackets |
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Authors | |
Keywords | RC columns strengthening direct fastening steel jackets design procedure |
Issue Date | 2021 |
Publisher | MDPI AG. The Journal's web site is located at http://www.mdpi.com/journal/applsci |
Citation | Applied Sciences, 2021, v. 11 n. 8, p. article no. 3649 How to Cite? |
Abstract | For non-seismically designed columns with insufficient strength and flexural stiffness, intense inter-story drift can be incurred during a strong earthquake event, potentially leading to the collapse of the entire building. Existing strengthening methods mainly focus on enhancing axial or flexural strength but not the flexural stiffness of columns. In response, a novel direct fastening steel jackets that can increase both flexural strength and stiffness is introduced. This novel strengthening method features straightforward installation and swift strengthening as direct fastening is used to connect steel plates together to form a steel jacketed column. This new connection method can quickly and stably connect two steel components together by driving high strength fasteners into them. In this paper, the design procedure of RC columns strengthened with this novel strengthening method is originally proposed, which includes five steps: (1) estimating lateral load capacity of damaged RC columns; (2) determining connection spacing of steel jacket; (3) estimating the lateral load capacity of strengthened RC column; (4) evaluating the axial load ratio (ALR) of strengthened RC columns; and (5) estimating effective stiffness of strengthened RC columns. Lastly, an example is presented to illustrate the application of the proposed design procedure. |
Persistent Identifier | http://hdl.handle.net/10722/301464 |
ISSN | 2023 Impact Factor: 2.5 2023 SCImago Journal Rankings: 0.508 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | SHAN, Z | - |
dc.contributor.author | CHEN, L | - |
dc.contributor.author | LIANG, K | - |
dc.contributor.author | Su, RKL | - |
dc.contributor.author | Xu, Z | - |
dc.date.accessioned | 2021-07-27T08:11:28Z | - |
dc.date.available | 2021-07-27T08:11:28Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Applied Sciences, 2021, v. 11 n. 8, p. article no. 3649 | - |
dc.identifier.issn | 2076-3417 | - |
dc.identifier.uri | http://hdl.handle.net/10722/301464 | - |
dc.description.abstract | For non-seismically designed columns with insufficient strength and flexural stiffness, intense inter-story drift can be incurred during a strong earthquake event, potentially leading to the collapse of the entire building. Existing strengthening methods mainly focus on enhancing axial or flexural strength but not the flexural stiffness of columns. In response, a novel direct fastening steel jackets that can increase both flexural strength and stiffness is introduced. This novel strengthening method features straightforward installation and swift strengthening as direct fastening is used to connect steel plates together to form a steel jacketed column. This new connection method can quickly and stably connect two steel components together by driving high strength fasteners into them. In this paper, the design procedure of RC columns strengthened with this novel strengthening method is originally proposed, which includes five steps: (1) estimating lateral load capacity of damaged RC columns; (2) determining connection spacing of steel jacket; (3) estimating the lateral load capacity of strengthened RC column; (4) evaluating the axial load ratio (ALR) of strengthened RC columns; and (5) estimating effective stiffness of strengthened RC columns. Lastly, an example is presented to illustrate the application of the proposed design procedure. | - |
dc.language | eng | - |
dc.publisher | MDPI AG. The Journal's web site is located at http://www.mdpi.com/journal/applsci | - |
dc.relation.ispartof | Applied Sciences | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | RC columns | - |
dc.subject | strengthening | - |
dc.subject | direct fastening | - |
dc.subject | steel jackets | - |
dc.subject | design procedure | - |
dc.title | Strengthening Design of RC Columns with Direct Fastening Steel Jackets | - |
dc.type | Article | - |
dc.identifier.email | Su, RKL: klsu@hkucc.hku.hk | - |
dc.identifier.authority | Su, RKL=rp00072 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.3390/app11083649 | - |
dc.identifier.scopus | eid_2-s2.0-85104929027 | - |
dc.identifier.hkuros | 323660 | - |
dc.identifier.volume | 11 | - |
dc.identifier.issue | 8 | - |
dc.identifier.spage | article no. 3649 | - |
dc.identifier.epage | article no. 3649 | - |
dc.identifier.isi | WOS:000643990200001 | - |
dc.publisher.place | Switzerland | - |