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Application of DDBD Method on Mid-Rise Open-Ground Storey RC Frame Buildings
With the rapid increase in urbanisation and scarcity of space, the need for enhanced space for parking facilities and accommodation in buildings is in huge demand. To achieve this demand, open-ground storey (OGS) buildings are preferred. OGS buildings are those buildings that are constructed without masonry infill walls in ground storey. OGS buildings have the property of sudden reduction of stiffness in ground storey concerning to upper infilled storeys. Thus, OGS buildings are highly vulnerable to earthquake hazards. In this paper, reinforced concrete special moment-resisting frame (SMRF) buildings with and without infill walls are analysed. Different building configurations but having the same plan area are adopted for G + 5-storied buildings representing mid-rise RC frame buildings. Direct displacement-based design (DDBD) method is utilised for designing the SMRF buildings. Buildings are situated in Zone-V of the Indian region. The structural buildings are analysed for different ground motions using nonlinear time-history analysis. The selected ground motions are scaled to meet the expected Peak Ground Acceleration (PGA) in Zone-V regions. Outcomes are analysed in terms of fundamental period, base shear, inter-storey drift ratio and fragility curves. The results demonstrate that the OGS building is found to have a maximum probability of exceedance than bare and fully infilled buildings. However, it is also observed that the RC frame buildings designed using the DDBD approach can estimate the global behaviour with reasonable accuracy and the DDBD approach can be effectively used for designing open-ground storey buildings.
Application of DDBD Method on Mid-Rise Open-Ground Storey RC Frame Buildings
With the rapid increase in urbanisation and scarcity of space, the need for enhanced space for parking facilities and accommodation in buildings is in huge demand. To achieve this demand, open-ground storey (OGS) buildings are preferred. OGS buildings are those buildings that are constructed without masonry infill walls in ground storey. OGS buildings have the property of sudden reduction of stiffness in ground storey concerning to upper infilled storeys. Thus, OGS buildings are highly vulnerable to earthquake hazards. In this paper, reinforced concrete special moment-resisting frame (SMRF) buildings with and without infill walls are analysed. Different building configurations but having the same plan area are adopted for G + 5-storied buildings representing mid-rise RC frame buildings. Direct displacement-based design (DDBD) method is utilised for designing the SMRF buildings. Buildings are situated in Zone-V of the Indian region. The structural buildings are analysed for different ground motions using nonlinear time-history analysis. The selected ground motions are scaled to meet the expected Peak Ground Acceleration (PGA) in Zone-V regions. Outcomes are analysed in terms of fundamental period, base shear, inter-storey drift ratio and fragility curves. The results demonstrate that the OGS building is found to have a maximum probability of exceedance than bare and fully infilled buildings. However, it is also observed that the RC frame buildings designed using the DDBD approach can estimate the global behaviour with reasonable accuracy and the DDBD approach can be effectively used for designing open-ground storey buildings.
Application of DDBD Method on Mid-Rise Open-Ground Storey RC Frame Buildings
Lecture Notes in Civil Engineering
Hau, Kong Kian (editor) / Gupta, Ashok Kumar (editor) / Chaudhary, Sandeep (editor) / Gupta, Tanmay (editor) / Sharma, Anurag (author) / Tripathi, R. K. (author) / Bhatt, Govardhan (author)
Recent Advances in Structural Engineering and Construction Management ; Chapter: 21 ; 247-257
2022-09-28
11 pages
Article/Chapter (Book)
Electronic Resource
English
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