Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge Piers
This study investigated the seismic behavior of glass fiber reinforced polymer (GFRP) strengthened hollow rectangular bridge piers. Cyclic testing of reinforced concrete (RC) piers retrofitted with GFRP was carried out under constant axial loading and lateral bending. The failure characteristics, fl...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Hindawi Limited
2014-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2014/246462 |
| _version_ | 1798044851769442304 |
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| author | Junfeng Jia Qiang Han Zigang Xu Dongjie Zhang |
| author_facet | Junfeng Jia Qiang Han Zigang Xu Dongjie Zhang |
| author_sort | Junfeng Jia |
| collection | DOAJ |
| description | This study investigated the seismic behavior of glass fiber reinforced polymer (GFRP) strengthened hollow rectangular bridge piers. Cyclic testing of reinforced concrete (RC) piers retrofitted with GFRP was carried out under constant axial loading and lateral bending. The failure characteristics, flexural ductility, dissipated energy, and hysteretic behaviors, were analyzed based on experimental results. A simplified GFRP-confined concrete model is developed by considering effective strength coefficient and area distribution ratio of GFRP sheets. The results indicate that the failure modes and damage region would be changed and the ductility and dissipated energy of the GFRP-strengthened hollow rectangular bridge piers were improved greatly but not much improvement for the lateral load capacity. The analytical results of the force-displacement hysteretic loops based on the GFRP-confined concrete model developed in this paper agreed well with the experimental data. |
| first_indexed | 2024-04-11T23:10:55Z |
| format | Article |
| id | doaj.art-7049a0c12d9d4a3caad2f5ccccd63180 |
| institution | Directory Open Access Journal |
| issn | 1687-8434 1687-8442 |
| language | English |
| last_indexed | 2024-04-11T23:10:55Z |
| publishDate | 2014-01-01 |
| publisher | Hindawi Limited |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj.art-7049a0c12d9d4a3caad2f5ccccd631802022-12-22T03:57:51ZengHindawi LimitedAdvances in Materials Science and Engineering1687-84341687-84422014-01-01201410.1155/2014/246462246462Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge PiersJunfeng Jia0Qiang Han1Zigang Xu2Dongjie Zhang3Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, No. 100 Pinleyuan, Beijing 100124, ChinaKey Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, No. 100 Pinleyuan, Beijing 100124, ChinaKey Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, No. 100 Pinleyuan, Beijing 100124, ChinaKey Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, No. 100 Pinleyuan, Beijing 100124, ChinaThis study investigated the seismic behavior of glass fiber reinforced polymer (GFRP) strengthened hollow rectangular bridge piers. Cyclic testing of reinforced concrete (RC) piers retrofitted with GFRP was carried out under constant axial loading and lateral bending. The failure characteristics, flexural ductility, dissipated energy, and hysteretic behaviors, were analyzed based on experimental results. A simplified GFRP-confined concrete model is developed by considering effective strength coefficient and area distribution ratio of GFRP sheets. The results indicate that the failure modes and damage region would be changed and the ductility and dissipated energy of the GFRP-strengthened hollow rectangular bridge piers were improved greatly but not much improvement for the lateral load capacity. The analytical results of the force-displacement hysteretic loops based on the GFRP-confined concrete model developed in this paper agreed well with the experimental data.http://dx.doi.org/10.1155/2014/246462 |
| spellingShingle | Junfeng Jia Qiang Han Zigang Xu Dongjie Zhang Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge Piers Advances in Materials Science and Engineering |
| title | Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge Piers |
| title_full | Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge Piers |
| title_fullStr | Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge Piers |
| title_full_unstemmed | Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge Piers |
| title_short | Cyclic Load Responses of GFRP-Strengthened Hollow Rectangular Bridge Piers |
| title_sort | cyclic load responses of gfrp strengthened hollow rectangular bridge piers |
| url | http://dx.doi.org/10.1155/2014/246462 |
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