Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Energy-Based Seismic Performance Assessment of Autoclaved Aerated Concrete Block-Infilled RC Building Structure
It is well-conceived that the conventional force-based or displacement-based seismic assessment procedures of structures cannot fully reflect the associated energy-dissipation characteristics of systems. For a structure to be in a safer state, the energy dissipation capacity should be more than the input energy imparted by the earthquake load. Thus, using this energy-based concept, one can assess the seismic performance of a structure more realistically. For this reason, there is a growing trend among researchers to explore energy-based seismic performance assessment techniques on structures. However, most such studies consider reinforced concrete (RC) frames with and without conventional brick masonry in-fill, modelling as equivalent diagonal strut. But, in the civil engineering industry, autoclaved aerated concrete (AAC) blocks are becoming more popular than conventional brick masonry, owing to their lightweight, which enormously reduces the seismic force. But, study on seismic performance assessment with AAC blocks is relatively scarce in the existing literature. Available approaches apply nonlinear static pushover analysis (NSPA) to study the behaviour of AAC in-filled frame under earthquake load. However, as mentioned, the energy-based assessment approach may reveal more detailed seismic characteristics of AAC-infilled structures. Thus, in the present study, an energy-based modal pushover analysis (EB-MPA) is carried out for AAC-infilled buildings. The results are compared with the bare RC frame and brick-infill concrete frame. A comparison of results is also made with that obtained by the MPA method. The responses of the frames are compared by EB-MPA as well as nonlinear static modal pushover analysis (MPA) approaches.
Energy-Based Seismic Performance Assessment of Autoclaved Aerated Concrete Block-Infilled RC Building Structure
It is well-conceived that the conventional force-based or displacement-based seismic assessment procedures of structures cannot fully reflect the associated energy-dissipation characteristics of systems. For a structure to be in a safer state, the energy dissipation capacity should be more than the input energy imparted by the earthquake load. Thus, using this energy-based concept, one can assess the seismic performance of a structure more realistically. For this reason, there is a growing trend among researchers to explore energy-based seismic performance assessment techniques on structures. However, most such studies consider reinforced concrete (RC) frames with and without conventional brick masonry in-fill, modelling as equivalent diagonal strut. But, in the civil engineering industry, autoclaved aerated concrete (AAC) blocks are becoming more popular than conventional brick masonry, owing to their lightweight, which enormously reduces the seismic force. But, study on seismic performance assessment with AAC blocks is relatively scarce in the existing literature. Available approaches apply nonlinear static pushover analysis (NSPA) to study the behaviour of AAC in-filled frame under earthquake load. However, as mentioned, the energy-based assessment approach may reveal more detailed seismic characteristics of AAC-infilled structures. Thus, in the present study, an energy-based modal pushover analysis (EB-MPA) is carried out for AAC-infilled buildings. The results are compared with the bare RC frame and brick-infill concrete frame. A comparison of results is also made with that obtained by the MPA method. The responses of the frames are compared by EB-MPA as well as nonlinear static modal pushover analysis (MPA) approaches.
Energy-Based Seismic Performance Assessment of Autoclaved Aerated Concrete Block-Infilled RC Building Structure
Lecture Notes in Civil Engineering
Kumar, Ratnesh (Herausgeber:in) / Bakre, Sachin V. (Herausgeber:in) / Goel, Manmohan Dass (Herausgeber:in) / Halder, Puja (Autor:in) / Bhattacharjya, Soumya (Autor:in) / Chakraborty, Subrata (Autor:in)
Structural Engineering Convention ; 2023 ; Nagpur, India
24.11.2024
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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