Quantification of differential axial shortening in reinforced concrete and concrete-filled steel-tube-based building structures
This paper compares the axial shortening behaviors of reinforced concrete (RC) and concrete-filled tube (CFT) columns in high-rise building structures and proposes a relationship between the differential axial shortening and the dead load portion. This relationship can be used to determine the initi...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis Group
2023-11-01
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| Series: | Journal of Asian Architecture and Building Engineering |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/13467581.2023.2278459 |
| _version_ | 1797492046808743936 |
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| author | SeongHun Kim Hyo-Gyoung Kwak |
| author_facet | SeongHun Kim Hyo-Gyoung Kwak |
| author_sort | SeongHun Kim |
| collection | DOAJ |
| description | This paper compares the axial shortening behaviors of reinforced concrete (RC) and concrete-filled tube (CFT) columns in high-rise building structures and proposes a relationship between the differential axial shortening and the dead load portion. This relationship can be used to determine the initial column sections in the preliminary design of building structures. Factors that can influence the differential axial shortening in columns were considered, and numerical analyses were conducted to compare the relative effectiveness of CFT columns. The time-dependent deformation of concrete was found to be the most significant influencing factor when compared with the flattening process of each floor level and construction sequence analysis. However, parametric studies demonstrate that axial shortening behavior can be ignored in buildings of fewer than 20 floors, and that it has a negligible effect even in taller buildings. Notably, the differential axial shortening effect can be excluded in the preliminary design stage when the dead load portion is less than 30% of the ultimate axial resistance. In the absence of design standards recommendations for reference values to minimize serviceability or damage problems in building structures, the proposed relation between the differential axial shortening and the dead load portion can be effectively used to determine initial column sections in the preliminary design of building structures. |
| first_indexed | 2024-03-10T00:56:56Z |
| format | Article |
| id | doaj.art-aa84f3a59c78486481838c3df76b1dfe |
| institution | Directory Open Access Journal |
| issn | 1347-2852 |
| language | English |
| last_indexed | 2024-03-10T00:56:56Z |
| publishDate | 2023-11-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Journal of Asian Architecture and Building Engineering |
| spelling | doaj.art-aa84f3a59c78486481838c3df76b1dfe2023-11-23T14:41:27ZengTaylor & Francis GroupJournal of Asian Architecture and Building Engineering1347-28522023-11-010011310.1080/13467581.2023.22784592278459Quantification of differential axial shortening in reinforced concrete and concrete-filled steel-tube-based building structuresSeongHun Kim0Hyo-Gyoung Kwak1Korea Advanced Institute of Science and TechnologyKorea Advanced Institute of Science and TechnologyThis paper compares the axial shortening behaviors of reinforced concrete (RC) and concrete-filled tube (CFT) columns in high-rise building structures and proposes a relationship between the differential axial shortening and the dead load portion. This relationship can be used to determine the initial column sections in the preliminary design of building structures. Factors that can influence the differential axial shortening in columns were considered, and numerical analyses were conducted to compare the relative effectiveness of CFT columns. The time-dependent deformation of concrete was found to be the most significant influencing factor when compared with the flattening process of each floor level and construction sequence analysis. However, parametric studies demonstrate that axial shortening behavior can be ignored in buildings of fewer than 20 floors, and that it has a negligible effect even in taller buildings. Notably, the differential axial shortening effect can be excluded in the preliminary design stage when the dead load portion is less than 30% of the ultimate axial resistance. In the absence of design standards recommendations for reference values to minimize serviceability or damage problems in building structures, the proposed relation between the differential axial shortening and the dead load portion can be effectively used to determine initial column sections in the preliminary design of building structures.http://dx.doi.org/10.1080/13467581.2023.2278459construction sequencecreepcftnumerical analysiscolumn design2d analysis |
| spellingShingle | SeongHun Kim Hyo-Gyoung Kwak Quantification of differential axial shortening in reinforced concrete and concrete-filled steel-tube-based building structures Journal of Asian Architecture and Building Engineering construction sequence creep cft numerical analysis column design 2d analysis |
| title | Quantification of differential axial shortening in reinforced concrete and concrete-filled steel-tube-based building structures |
| title_full | Quantification of differential axial shortening in reinforced concrete and concrete-filled steel-tube-based building structures |
| title_fullStr | Quantification of differential axial shortening in reinforced concrete and concrete-filled steel-tube-based building structures |
| title_full_unstemmed | Quantification of differential axial shortening in reinforced concrete and concrete-filled steel-tube-based building structures |
| title_short | Quantification of differential axial shortening in reinforced concrete and concrete-filled steel-tube-based building structures |
| title_sort | quantification of differential axial shortening in reinforced concrete and concrete filled steel tube based building structures |
| topic | construction sequence creep cft numerical analysis column design 2d analysis |
| url | http://dx.doi.org/10.1080/13467581.2023.2278459 |
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