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A platform for research: civil engineering, architecture and urbanism
Strengthening of partially ductile RC beam–column connections
https://orcid.org/http://orcid.org/0000-0003-3294-3321
Majority of mid-rise RC framed structures are constructed with partially ductile beam–column connections (PDC). Column hoop reinforcement is provided in joint core, however, beam rebars are not fully anchored beyond the face of column. These joints are vulnerable to flexural failure when subjected to reversed cyclic loading. Thus, it is imperative to avoid such situations by strengthening the PDC with a suitable method. A retrofitting technique is proposed in this paper to strengthen such connections or joints. Twelve scaled-down (1:3) specimens comprising 3 types of connection subassemblies are tested. Reversed cyclic loading is applied and performance of these joints is monitored. It is observed that strengthened subassemblies show enhancement in the load-carrying capacity, ductility, cumulative energy dissipation and stiffness. Based on the experimental results, recommendations are proposed for connection strengthening technique. Proposed solution will be useful to strengthen soft storey frames and bare staging frames of an elevated service reservoir (ESR).
Strengthening of partially ductile RC beam–column connections
https://orcid.org/http://orcid.org/0000-0003-3294-3321
Majority of mid-rise RC framed structures are constructed with partially ductile beam–column connections (PDC). Column hoop reinforcement is provided in joint core, however, beam rebars are not fully anchored beyond the face of column. These joints are vulnerable to flexural failure when subjected to reversed cyclic loading. Thus, it is imperative to avoid such situations by strengthening the PDC with a suitable method. A retrofitting technique is proposed in this paper to strengthen such connections or joints. Twelve scaled-down (1:3) specimens comprising 3 types of connection subassemblies are tested. Reversed cyclic loading is applied and performance of these joints is monitored. It is observed that strengthened subassemblies show enhancement in the load-carrying capacity, ductility, cumulative energy dissipation and stiffness. Based on the experimental results, recommendations are proposed for connection strengthening technique. Proposed solution will be useful to strengthen soft storey frames and bare staging frames of an elevated service reservoir (ESR).
Strengthening of partially ductile RC beam–column connections
https://orcid.org/http://orcid.org/0000-0003-3294-3321
Majority of mid-rise RC framed structures are constructed with partially ductile beam–column connections (PDC). Column hoop reinforcement is provided in joint core, however, beam rebars are not fully anchored beyond the face of column. These joints are vulnerable to flexural failure when subjected to reversed cyclic loading. Thus, it is imperative to avoid such situations by strengthening the PDC with a suitable method. A retrofitting technique is proposed in this paper to strengthen such connections or joints. Twelve scaled-down (1:3) specimens comprising 3 types of connection subassemblies are tested. Reversed cyclic loading is applied and performance of these joints is monitored. It is observed that strengthened subassemblies show enhancement in the load-carrying capacity, ductility, cumulative energy dissipation and stiffness. Based on the experimental results, recommendations are proposed for connection strengthening technique. Proposed solution will be useful to strengthen soft storey frames and bare staging frames of an elevated service reservoir (ESR).
Strengthening of partially ductile RC beam–column connections
Asian J Civ Eng
Gujar, Abhay V. (author) / Pore, S. M. (author)
Asian Journal of Civil Engineering ; 24 ; 93-108
2023-01-01
16 pages
Article (Journal)
Electronic Resource
English
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