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- Publisher Website: 10.1088/1757-899X/660/1/012055
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Conference Paper: Axial strengthening of RC columns by steel encasement with direct fastening connections
Title | Axial strengthening of RC columns by steel encasement with direct fastening connections |
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Authors | |
Issue Date | 2019 |
Publisher | Institute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/1757-899X/ |
Citation | 4th International Conference on Innovative Materials, Structures and Technologies (IMST 2019), Riga, Latvia, 25–27 September 2019. In IOP Conference Series: Materials Science and Engineering, 2019, v. 660, article no. 012055 How to Cite? |
Abstract | Reinforced concrete (RC) columns are crucial structural members that sustain vertical loads. Their strength may deteriorate due to fire, corrosion of the reinforcements or design errors. In response, a new strengthening method that uses a steel encasement to increase the axial capacity and ductility of RC columns is proposed in this paper. This method is quick and convenient because direct fastening is used to assemble the system. Four columns including one control column and three strengthened columns have been tested to examine the reliability and effectiveness of the proposed method. Although direct fastening plays a crucial role in the structural performance of the proposed method, current design guidelines have not incorporated this new connection technique. Hence, extensive connection tests have been conducted to evaluate the key factors (e.g. fastener type, fastener spacing, protuberance, etc.) that affect the strength of the connections. New design equations are subsequently proposed based on the test results for shear connections that use direct fastening. |
Description | Keynote Presentation |
Persistent Identifier | http://hdl.handle.net/10722/282543 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Su, KL | - |
dc.contributor.author | Shan, Z | - |
dc.date.accessioned | 2020-05-15T05:29:28Z | - |
dc.date.available | 2020-05-15T05:29:28Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | 4th International Conference on Innovative Materials, Structures and Technologies (IMST 2019), Riga, Latvia, 25–27 September 2019. In IOP Conference Series: Materials Science and Engineering, 2019, v. 660, article no. 012055 | - |
dc.identifier.issn | 1757-8981 | - |
dc.identifier.uri | http://hdl.handle.net/10722/282543 | - |
dc.description | Keynote Presentation | - |
dc.description.abstract | Reinforced concrete (RC) columns are crucial structural members that sustain vertical loads. Their strength may deteriorate due to fire, corrosion of the reinforcements or design errors. In response, a new strengthening method that uses a steel encasement to increase the axial capacity and ductility of RC columns is proposed in this paper. This method is quick and convenient because direct fastening is used to assemble the system. Four columns including one control column and three strengthened columns have been tested to examine the reliability and effectiveness of the proposed method. Although direct fastening plays a crucial role in the structural performance of the proposed method, current design guidelines have not incorporated this new connection technique. Hence, extensive connection tests have been conducted to evaluate the key factors (e.g. fastener type, fastener spacing, protuberance, etc.) that affect the strength of the connections. New design equations are subsequently proposed based on the test results for shear connections that use direct fastening. | - |
dc.language | eng | - |
dc.publisher | Institute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/1757-899X/ | - |
dc.relation.ispartof | IOP Conference Series: Materials Science and Engineering | - |
dc.relation.ispartof | 4th International Conference on Innovative Materials, Structures and Technologies (IMST 2019) | - |
dc.rights | IOP Conference Series: Materials Science and Engineering. Copyright © Institute of Physics Publishing Ltd. | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Axial strengthening of RC columns by steel encasement with direct fastening connections | - |
dc.type | Conference_Paper | - |
dc.identifier.email | Su, KL: klsu@hkucc.hku.hk | - |
dc.identifier.authority | Su, KL=rp00072 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1088/1757-899X/660/1/012055 | - |
dc.identifier.scopus | eid_2-s2.0-85078254182 | - |
dc.identifier.hkuros | 309963 | - |
dc.identifier.volume | 660 | - |
dc.identifier.spage | article no. 012055 | - |
dc.identifier.epage | article no. 012055 | - |
dc.identifier.isi | WOS:000562127800055 | - |
dc.publisher.place | United Kingdom | - |
dc.identifier.issnl | 1757-8981 | - |