Academic Journal
Study on Seismic Performance of RC Frame Structures Considering the Effect of Infilled Walls.
| Title: | Study on Seismic Performance of RC Frame Structures Considering the Effect of Infilled Walls. |
|---|---|
| Authors: | Zhang, Xuetan, Zhou, Yang, Liu, Xiangyu, Zheng, Yaoyu, Qi, Zhengxin |
| Source: | Buildings (2075-5309); Jul2024, Vol. 14 Issue 7, p1907, 18p |
| Subject Terms: | Structural frames, Air-entrained concrete, Failure mode & effects analysis, Concrete blocks, Reinforced concrete, Reinforced concrete testing |
| Abstract: | This paper studies the impact of half-height infilled walls on the failure modes of frame columns through quasi-static tests of both frame models and half-height infilled wall frame models. Based on the experimental results, a seismic analysis model of reinforced concrete (RC) frame structures is established, and parametric studies are carried out to analyze the effects of masonry materials and masonry heights on the seismic performance of structures. The results show that the load-bearing capacity and stiffness of the structure are improved, while the ductility of the structure is reduced because of the existence of infilled walls. As the height of infilled walls increases, there is a notable decrease in the free height of frame columns. At a wall-to-column height ratio of 0.2, the masonry walls exert a negligible effect on the frame structure's seismic performance. In contrast, at a ratio of 0.6, there is a transition in column failure modes from bending to shearing. When evaluated at consistent masonry heights, aerated concrete block-infilled walls demonstrate the least impact on the seismic performance of RC frame structures. Thus, in the absence of additional structural enhancements, the use of aerated concrete blocks is recommended to mitigate the negative implications of infilled walls on the seismic integrity of RC frames. [ABSTRACT FROM AUTHOR] |
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| Database: | Complementary Index |
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| Items | – Name: Title Label: Title Group: Ti Data: Study on Seismic Performance of RC Frame Structures Considering the Effect of Infilled Walls. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Xuetan%22">Zhang, Xuetan</searchLink><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Yang%22">Zhou, Yang</searchLink><br /><searchLink fieldCode="AR" term="%22Liu%2C+Xiangyu%22">Liu, Xiangyu</searchLink><br /><searchLink fieldCode="AR" term="%22Zheng%2C+Yaoyu%22">Zheng, Yaoyu</searchLink><br /><searchLink fieldCode="AR" term="%22Qi%2C+Zhengxin%22">Qi, Zhengxin</searchLink> – Name: TitleSource Label: Source Group: Src Data: Buildings (2075-5309); Jul2024, Vol. 14 Issue 7, p1907, 18p – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Structural+frames%22">Structural frames</searchLink><br /><searchLink fieldCode="DE" term="%22Air-entrained+concrete%22">Air-entrained concrete</searchLink><br /><searchLink fieldCode="DE" term="%22Failure+mode+%26+effects+analysis%22">Failure mode & effects analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Concrete+blocks%22">Concrete blocks</searchLink><br /><searchLink fieldCode="DE" term="%22Reinforced+concrete%22">Reinforced concrete</searchLink><br /><searchLink fieldCode="DE" term="%22Reinforced+concrete+testing%22">Reinforced concrete testing</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This paper studies the impact of half-height infilled walls on the failure modes of frame columns through quasi-static tests of both frame models and half-height infilled wall frame models. Based on the experimental results, a seismic analysis model of reinforced concrete (RC) frame structures is established, and parametric studies are carried out to analyze the effects of masonry materials and masonry heights on the seismic performance of structures. The results show that the load-bearing capacity and stiffness of the structure are improved, while the ductility of the structure is reduced because of the existence of infilled walls. As the height of infilled walls increases, there is a notable decrease in the free height of frame columns. At a wall-to-column height ratio of 0.2, the masonry walls exert a negligible effect on the frame structure's seismic performance. In contrast, at a ratio of 0.6, there is a transition in column failure modes from bending to shearing. When evaluated at consistent masonry heights, aerated concrete block-infilled walls demonstrate the least impact on the seismic performance of RC frame structures. Thus, in the absence of additional structural enhancements, the use of aerated concrete blocks is recommended to mitigate the negative implications of infilled walls on the seismic integrity of RC frames. [ABSTRACT FROM AUTHOR] – Name: Abstract Label: Group: Ab Data: <i>Copyright of Buildings (2075-5309) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/buildings14071907 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 18 StartPage: 1907 Subjects: – SubjectFull: Structural frames Type: general – SubjectFull: Air-entrained concrete Type: general – SubjectFull: Failure mode & effects analysis Type: general – SubjectFull: Concrete blocks Type: general – SubjectFull: Reinforced concrete Type: general – SubjectFull: Reinforced concrete testing Type: general Titles: – TitleFull: Study on Seismic Performance of RC Frame Structures Considering the Effect of Infilled Walls. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Zhang, Xuetan – PersonEntity: Name: NameFull: Zhou, Yang – PersonEntity: Name: NameFull: Liu, Xiangyu – PersonEntity: Name: NameFull: Zheng, Yaoyu – PersonEntity: Name: NameFull: Qi, Zhengxin IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2024 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 20755309 Numbering: – Type: volume Value: 14 – Type: issue Value: 7 Titles: – TitleFull: Buildings (2075-5309) Type: main |
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