Seismic fragility of non-ductile RC frames for pounding risk assessment

Sinha, R.; Rao, B. N.

doi:10.1016/j.istruc.2023.07.055

Structures

2023

DOI: 10.1016/j.istruc.2023.07.055

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Seismic fragility of non-ductile RC frames for pounding risk assessment

R. Sinha

B. N. Rao

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2024

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Cited by 4 publications

References 56 publications

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Comprehensive Review on Seismic Pounding Between Adjacent Buildings and Available Mitigation Measures

Elgammal,

Seleemah,

Elsharkawy

et al. 2024

Arch Computat Methods Eng

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Seismic pounding has taken place in several earthquake events since adjacent structures that lack adequate separation distance usually suffer from repetitive, severe collisions. These collisions result in considerable impact forces in addition to acceleration spikes, thus dealing damage to both structural and non-structural elements. So, a meaningful effort has been widely directed towards the investigation of that phenomenon, leading to a considerable number of publications that are related to that field of study. A review of these publications has thus become a matter of interest. Accordingly, this paper mainly aims to present a detailed state-of-the-art review concerned with seismic pounding between adjacent buildings. Firstly, general definitions, types, and causes of seismic pounding are addressed. Later, facts and statistics of historical earthquake incidents that reflect the scale of the threat caused by seismic pounding are clarified. Moreover, the effect of seismic pounding on fixed-base and base-isolated buildings is discussed. Furthermore, the effect of soil-structure interaction is also presented. Additionally, alternative mitigation methods for seismic pounding are presented. Their classification, types, efficiency, and applicability are also discussed. Eventually, different impact analytical models that can be used to simulate seismic pounding in theoretical studies are discussed. By the end of this paper, deficiencies in previous studies are clarified in order to be taken into account throughout future studies.

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Comprehensive Review on Seismic Pounding Between Adjacent Buildings and Available Mitigation Measures

Elgammal,

Seleemah,

Elsharkawy

et al. 2024

Arch Computat Methods Eng

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Seismic probabilistic assessment of steel and reinforced concrete structures including earthquake-induced pounding

Kazemi,

Asgarkhani,

Manguri

et al. 2024

Arch. Civ. Mech. Eng.

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Recent earthquakes demonstrate that prioritizing the retrofitting of buildings should be of the utmost importance for enhancing the seismic resilience and structural integrity of urban structures. To have a realistic results of the pounding effects in modeling process of retrofitting buildings, the present research provides seismic Probability Factors (PFs), which can be used for estimating collision effects without engaging in intricate and time-intensive analysis. To include the low-, to mid-rise buildings, the 3-Story, 5-Story, and 9-Story adjacent steel and Reinforced Concrete (RC) moment-resisting frames were modeled in OpenSees software capable to take into account the structure in a state of collapse during the analysis, which can provide the real condition of buildings under seismic excitations. Results of analysis confirmed that the impact force can considerably affect the moment–rotation curve of beams and columns, in which, it can affect the structural response of structures during earthquakes. Therefore, seismic PFs proposed to examine the possibility of changes in the performance levels and fragility assessments. Moreover, proposed PFs can be used as coefficient factors to facilitate the retrofitting process of buildings and improve the environmental effects.

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Seismic behaviour of reinforced concrete buildings: Impact of inter-story pounding with adjacent structures on one and both sides

Borekci,

Dag,

Eroglu

2024

Structures

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Seismic fragility of non-ductile RC frames for pounding risk assessment

Cited by 4 publications

References 56 publications

Comprehensive Review on Seismic Pounding Between Adjacent Buildings and Available Mitigation Measures

Comprehensive Review on Seismic Pounding Between Adjacent Buildings and Available Mitigation Measures

Seismic probabilistic assessment of steel and reinforced concrete structures including earthquake-induced pounding

Seismic behaviour of reinforced concrete buildings: Impact of inter-story pounding with adjacent structures on one and both sides

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