Effect of Prestressing on Plastic Behaviour of Reinforced Concrete Frame

Pejović, Radenko; Pejović, Jelena; Serdar, Nina

doi:10.1016/j.proeng.2015.08.217

Procedia Engineering

2015

DOI: 10.1016/j.proeng.2015.08.217

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Effect of Prestressing on Plastic Behaviour of Reinforced Concrete Frame

Radenko Pejović¹,

Jelena Pejović²,

Nina Serdar³

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2023

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“…15 Some parameters such as spectral acceleration (S a ), spectral velocity (S v ), peak ground displacement (PGD), peak ground velocity (PGV), peak ground acceleration (PGA) and spectral displacement (S d ) have been generally utilized in previous studies as IM. 16 As the conventional method, the inter-story drift ratio is utilized as an EDP in evaluating the engineering demand in the fragility analysis. Mobinipour and Pourzeynali (2019) investigated the fragility of tall buildings with moment resisting frame system under near-fault records.…”

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confidence: 99%

Fragility assessment of an outrigger structure system based on energy method

Goodarzi

Moradi

Jalali

et al. 2023

Structural Design Tall Build

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Fragility curves development in structures has always been a focus of research interest among structural and earthquake engineers for which the maximum story drift is usually considered as the engineering demand parameter (EDP) known as the conventional approach. This paper aims at calculating the fragility curves of a tall building with outrigger braced system by considering the plastic strain energy as the EDP and compare it with the conventional approach. In addition, the effect of optimizing the position of outriggers on the exceedance probability of the structure under near-and far-fault seismic loadings is investigated in this paper. Fragility curves of this structure in four performance levels including immediate occupancy (IO), life safety (LS), collapse prevention (CP), and instability is extracted based on the conventional method.The fragility curves for the aforementioned performance levels are also extracted based on the plastic strain energy and compared with the conventional approach.The results have demonstrated that optimizing the location of the bracing system would lower the exceedance probability of the structure. Moreover, the exceedance probability of the investigated building with outrigger braced system under far-fault records in various levels is more than that of near-fault records. It is also concluded that the conventional approach would lead to more conservative results compared with the energy approach.

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confidence: 99%

Fragility assessment of an outrigger structure system based on energy method

Goodarzi

Moradi

Jalali

et al. 2023

Structural Design Tall Build

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show abstract

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Effect of Prestressing on Plastic Behaviour of Reinforced Concrete Frame

Cited by 1 publication

References 1 publication

Fragility assessment of an outrigger structure system based on energy method

Fragility assessment of an outrigger structure system based on energy method

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