Object
Title: Performance Assessment of Steel Moment Connections Retrofitted With Various Reduced Section Patterns
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Abstract:
It is of high importance in seismic retrofitting of lateral load-bearing systems to increase the connections performance. The crucial point in the steel frame retrofitting process is to create plastic hinges in these types of frames. The formation of plastic hinges in beams and near columns generates large strains on column flanges as well as welding metal and heated surroundings, which can lead to brittle failure. ; The connection should be designed in such a way as to allow plastic hinge formation at certain points of the beam. One such method suggested for retrofit connections is to reduce the beam section locally away from the connection zone. There are various patterns available to locally reduce the beam section, such as circular, elliptical, and symmetric/asymmetric. In recent years, different proposals have been presented to design these connections which vary from older instructions. ; For this study, radiused cuts in the flange and slotted holes in the web of connection beams were selected for retrofitting analysis. Cyclic behavior, energy damping levels, and ductility of these connections were studied and compared before and after the retrofit by using nonlinear dynamic analysis. The results showed that the symmetrical circular hole pattern in the beam flanges demonstrated reliable performance.
Description:
tytuł dodatkowy: Prace z Inżynierii Lądowej i Środowiska
Publisher:
Zielona Góra: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
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Source:
Civil and Environmental Engineering Reports (CEER), no 29, vol. 4
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License CC BY-NC-ND 3.0:
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Biblioteka Uniwersytetu Zielonogórskiego
Object collections:
- Repository > Faculties > Construction department, Architecture and Environmental Engineering
- Repository > Types of work > Articles
- Repository > Scientific journals and UZ publishing series > Civil and Environmental Engineering Reports (CEER) > Civil and Environmental Engineering Reports (CEER) (2019)
Last modified:
Mar 20, 2023
In our library since:
Mar 20, 2023
Number of object content hits:
80
All available object's versions:
https://zbc.uz.zgora.pl/repozytorium/publication/79474
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Civil and Environmental Engineering Reports (CEER)
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Civil and Environmental Engineering Reports (CEER), no 33 (2023)
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Civil and Environmental Engineering Reports (CEER), no 32 (2022)
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Civil and Environmental Engineering Reports (CEER), no 31 (2021)
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Civil and Environmental Engineering Reports (CEER), no 30 (2020)
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Civil and Environmental Engineering Reports (CEER), no 29 (2019)
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Civil and Environmental Engineering Reports (CEER), no 29, vol. 1 (2019)
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Civil and Environmental Engineering Reports (CEER), no 29, vol. 2 (2019)
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Civil and Environmental Engineering Reports (CEER), no 29, vol. 3 (2019)
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Civil and Environmental Engineering Reports (CEER), no 29, vol. 4 (2019)
- Performance Assessment of Steel Moment Connections Retrofitted With Various Reduced Section Patterns
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Civil and Environmental Engineering Reports (CEER), no 33 (2023)
| Edition name | Date |
|---|---|
| Performance Assessment of Steel Moment Connections Retrofitted With Various Reduced Section Patterns | Mar 20, 2023 |
