Seismic Performance Evaluation of Footing-to-Circular RC Pier Connection Reinforced by High-Manganese Steel Bars (HMSBs)

A footing-to-reinforced concrete (RC) pier connection resists the lateral load induced by earthquakes as well as the gravity load. The footing-to-RC pier connection is the vulnerable part to strong earthquake loading. Several studies have been conducted on improving the seismic performance of the co...

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Main Authors: Jung-Kyun Kim, Hak-Eun Lee, Jongmin Kim, Jiho Moon
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Advances in Civil Engineering
Online Access:http://dx.doi.org/10.1155/2018/4579869
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author Jung-Kyun Kim
Hak-Eun Lee
Jongmin Kim
Jiho Moon
author_facet Jung-Kyun Kim
Hak-Eun Lee
Jongmin Kim
Jiho Moon
author_sort Jung-Kyun Kim
collection DOAJ
description A footing-to-reinforced concrete (RC) pier connection resists the lateral load induced by earthquakes as well as the gravity load. The footing-to-RC pier connection is the vulnerable part to strong earthquake loading. Several studies have been conducted on improving the seismic performance of the connection by using high-strength reinforcing bars and by adding special structural components, such as steel tube and fiber-reinforced polymer sheet. In this study, reinforcing bars made of high-manganese steel (HMSBs) with high strength and ductility were installed in the connection instead of conventional reinforcing bars to improve the seismic performance. Test specimens were fabricated with HMSBs, and the strength, ductility, and dissipated energy of the connection were evaluated through a cyclic loading test. Three-dimensional finite-element analysis was also performed to investigate the effects of various axial forces on the behavior of the connection with HMSBs. The results show that the connection with HMSBs exhibits better seismic performance, represented by flexural strength, ductility, and energy dissipation, than that with ordinary reinforcing bars.
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publishDate 2018-01-01
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spelling doaj-art-3d2c54bc99454b7c9a7173af03c333e22025-02-03T01:24:23ZengWileyAdvances in Civil Engineering1687-80861687-80942018-01-01201810.1155/2018/45798694579869Seismic Performance Evaluation of Footing-to-Circular RC Pier Connection Reinforced by High-Manganese Steel Bars (HMSBs)Jung-Kyun Kim0Hak-Eun Lee1Jongmin Kim2Jiho Moon3Department of Architectural, Civil & Environmental Engineering, Korea University, Seoul 02841, Republic of KoreaDepartment of Architectural, Civil & Environmental Engineering, Korea University, Seoul 02841, Republic of KoreaDepartment of Steel Solution Marketing, POSCO, Incheon 21985, Republic of KoreaDepartment of Civil Engineering, Kangwon National University, Chuncheon-si, Gangwon-do 24341, Republic of KoreaA footing-to-reinforced concrete (RC) pier connection resists the lateral load induced by earthquakes as well as the gravity load. The footing-to-RC pier connection is the vulnerable part to strong earthquake loading. Several studies have been conducted on improving the seismic performance of the connection by using high-strength reinforcing bars and by adding special structural components, such as steel tube and fiber-reinforced polymer sheet. In this study, reinforcing bars made of high-manganese steel (HMSBs) with high strength and ductility were installed in the connection instead of conventional reinforcing bars to improve the seismic performance. Test specimens were fabricated with HMSBs, and the strength, ductility, and dissipated energy of the connection were evaluated through a cyclic loading test. Three-dimensional finite-element analysis was also performed to investigate the effects of various axial forces on the behavior of the connection with HMSBs. The results show that the connection with HMSBs exhibits better seismic performance, represented by flexural strength, ductility, and energy dissipation, than that with ordinary reinforcing bars.http://dx.doi.org/10.1155/2018/4579869
spellingShingle Jung-Kyun Kim
Hak-Eun Lee
Jongmin Kim
Jiho Moon
Seismic Performance Evaluation of Footing-to-Circular RC Pier Connection Reinforced by High-Manganese Steel Bars (HMSBs)
Advances in Civil Engineering
title Seismic Performance Evaluation of Footing-to-Circular RC Pier Connection Reinforced by High-Manganese Steel Bars (HMSBs)
title_full Seismic Performance Evaluation of Footing-to-Circular RC Pier Connection Reinforced by High-Manganese Steel Bars (HMSBs)
title_fullStr Seismic Performance Evaluation of Footing-to-Circular RC Pier Connection Reinforced by High-Manganese Steel Bars (HMSBs)
title_full_unstemmed Seismic Performance Evaluation of Footing-to-Circular RC Pier Connection Reinforced by High-Manganese Steel Bars (HMSBs)
title_short Seismic Performance Evaluation of Footing-to-Circular RC Pier Connection Reinforced by High-Manganese Steel Bars (HMSBs)
title_sort seismic performance evaluation of footing to circular rc pier connection reinforced by high manganese steel bars hmsbs
url http://dx.doi.org/10.1155/2018/4579869
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AT hakeunlee seismicperformanceevaluationoffootingtocircularrcpierconnectionreinforcedbyhighmanganesesteelbarshmsbs
AT jongminkim seismicperformanceevaluationoffootingtocircularrcpierconnectionreinforcedbyhighmanganesesteelbarshmsbs
AT jihomoon seismicperformanceevaluationoffootingtocircularrcpierconnectionreinforcedbyhighmanganesesteelbarshmsbs