Seismic performance of repaired prefabricated shear walls
It is important to quickly strengthen and repair earthquake-damaged buildings to restore the normal life after earthquake. Therefore, it is necessary to study the seismic performance of widely-used assembled buildings repaired with different approaches. In this paper, two different methods are desig...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2023-07-01
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| Series: | Case Studies in Construction Materials |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S221450952300075X |
| _version_ | 1797798938500136960 |
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| author | Wang Tan Ma Xianqian Jiang Ruinian Dou Lijun Liu Jun Hao Yinlong Li Liwei Zhou Zhijie Cao Yibo Ma Haibin |
| author_facet | Wang Tan Ma Xianqian Jiang Ruinian Dou Lijun Liu Jun Hao Yinlong Li Liwei Zhou Zhijie Cao Yibo Ma Haibin |
| author_sort | Wang Tan |
| collection | DOAJ |
| description | It is important to quickly strengthen and repair earthquake-damaged buildings to restore the normal life after earthquake. Therefore, it is necessary to study the seismic performance of widely-used assembled buildings repaired with different approaches. In this paper, two different methods are designed to repair seismically damaged shear walls assembled with grouted sleeves. Based on different damage scenarios, the first method uses high-strength grout to replace damaged concrete, and the second method uses grout jacketing with reinforcement implantation and reinforcing mesh to enhance the damaged cross-section. The repaired walls are compared with the original walls on the damage mode, bearing capacity, ductility, energy dissipation capacity, and stiffness degradation. The test results verify that both repair methods can restore the load-bearing capacity of the assembled shear walls. Further, the seismic performance of the two repaired seismic-damaged shear walls with different axial pressure ratios is analyzed using finite element analysis. The seismic loss indices of the original assembled and the repaired shear walls are calculated using the Park-Ang two-parameter seismic damage model based on the results of the experimental studies and the finite element analysis. |
| first_indexed | 2024-03-13T04:12:27Z |
| format | Article |
| id | doaj.art-5404b173fcb546c684b1ce5de8d0d68f |
| institution | Directory Open Access Journal |
| issn | 2214-5095 |
| language | English |
| last_indexed | 2024-03-13T04:12:27Z |
| publishDate | 2023-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Construction Materials |
| spelling | doaj.art-5404b173fcb546c684b1ce5de8d0d68f2023-06-21T06:53:40ZengElsevierCase Studies in Construction Materials2214-50952023-07-0118e01896Seismic performance of repaired prefabricated shear wallsWang Tan0Ma Xianqian1Jiang Ruinian2Dou Lijun3Liu Jun4Hao Yinlong5Li Liwei6Zhou Zhijie7Cao Yibo8Ma Haibin9School of civil engineering, Changchun Institute of Engineering, Changchun 130012, China; Jilin prefabricated Architecture Science and Technology Innovation Center, Changchun 130012, ChinaSchool of civil engineering, Changchun Institute of Engineering, Changchun 130012, ChinaDepartment of Engineering Technology and Surveying Engineering, New Mexico State University, USA; Corresponding author.Jilin prefabricated Architecture Science and Technology Innovation Center, Changchun 130012, ChinaSchool of civil engineering, Changchun Institute of Engineering, Changchun 130012, ChinaJilin prefabricated Architecture Science and Technology Innovation Center, Changchun 130012, ChinaJilin prefabricated Architecture Science and Technology Innovation Center, Changchun 130012, ChinaSchool of civil engineering, Changchun Institute of Engineering, Changchun 130012, ChinaJilin prefabricated Architecture Science and Technology Innovation Center, Changchun 130012, ChinaJilin Installation Group Co., LTD, Changchun 130051, ChinaIt is important to quickly strengthen and repair earthquake-damaged buildings to restore the normal life after earthquake. Therefore, it is necessary to study the seismic performance of widely-used assembled buildings repaired with different approaches. In this paper, two different methods are designed to repair seismically damaged shear walls assembled with grouted sleeves. Based on different damage scenarios, the first method uses high-strength grout to replace damaged concrete, and the second method uses grout jacketing with reinforcement implantation and reinforcing mesh to enhance the damaged cross-section. The repaired walls are compared with the original walls on the damage mode, bearing capacity, ductility, energy dissipation capacity, and stiffness degradation. The test results verify that both repair methods can restore the load-bearing capacity of the assembled shear walls. Further, the seismic performance of the two repaired seismic-damaged shear walls with different axial pressure ratios is analyzed using finite element analysis. The seismic loss indices of the original assembled and the repaired shear walls are calculated using the Park-Ang two-parameter seismic damage model based on the results of the experimental studies and the finite element analysis.http://www.sciencedirect.com/science/article/pii/S221450952300075XEarthquake damage repairPrefabricated shear wallEnlarged section methodSeismic damage modelSeismic performance |
| spellingShingle | Wang Tan Ma Xianqian Jiang Ruinian Dou Lijun Liu Jun Hao Yinlong Li Liwei Zhou Zhijie Cao Yibo Ma Haibin Seismic performance of repaired prefabricated shear walls Case Studies in Construction Materials Earthquake damage repair Prefabricated shear wall Enlarged section method Seismic damage model Seismic performance |
| title | Seismic performance of repaired prefabricated shear walls |
| title_full | Seismic performance of repaired prefabricated shear walls |
| title_fullStr | Seismic performance of repaired prefabricated shear walls |
| title_full_unstemmed | Seismic performance of repaired prefabricated shear walls |
| title_short | Seismic performance of repaired prefabricated shear walls |
| title_sort | seismic performance of repaired prefabricated shear walls |
| topic | Earthquake damage repair Prefabricated shear wall Enlarged section method Seismic damage model Seismic performance |
| url | http://www.sciencedirect.com/science/article/pii/S221450952300075X |
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