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Seismic reliability analysis of reinforced-concrete hospital building with base isolation

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Year: 2019
COI code: WCCEAU03_170
Paper Language: English

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Authors Seismic reliability analysis of reinforced-concrete hospital building with base isolation

  Mostafa Radmehr - Lecturer, Civil Engineering Department, Damavand Branch, Islamic Azad University, Tehran Iran
  Abbas Akbarpour - Assistant Professor, Civil Engineering Department, South Tehran Branch, Islamic Azad University, Tehran Iran
Muhammed Maleknia - Lecturer, Civil Engineering Department, Astaneh Branch, Islamic Azad University, Astaneh Iran


When an earthquake occurs in a region, it causes structural damages to buildings. Retrofitting these damaged structures before earthquakes to happen reduces the potential hazards and minimizes future casualties. In this paper, the seismic assessment of Reinforced Concrete (RC) structure inadequately to withstand seismic loads due to changing demands, and their retrofitting is studied. After a brief introduction of seismic retrofit described for an existing structure, methods of assessing the seismic vulnerability of existing building is presented. To show the effect of the selected retrofit approach on the seismic behavior of RC buildings, an existing hospital building was selected as the case study. Since the use and occupancy of the selected RC building designed as a residential building had changed, a seismic assessment was carried out using Opensees software to show whether the building needs seismic retrofit or not. For this purpose, nonlinear dynamic analysis of hospital structures under 7 earthquake records concerning Type 2 soil was carried out based on Iranian seismic codes. Besides, to consider uncertainties and structural reliability analysis, 27 earthquake records have been used by the Monte Carlo Sampling (MCS), which results showed that the building needs seismic retrofit because of the increasing demands. In the following, the retrofit approach, which contains using Lead Rubber Bearing (LRB), was performed based on Iranian codes. It is concluded that using this technique of retrofitting and using the reliability analysis method can have a new approach as well as an effective role in improving the seismic behavior of structures.


Reliability analysis, Seismic Assessment, Retrofitting, Lead Rubber Bearing, Monte Carlo Simulation

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COI code: WCCEAU03_170

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Radmehr, Mostafa; Abbas Akbarpour & Muhammed Maleknia, 2019, Seismic reliability analysis of reinforced-concrete hospital building with base isolation, 3th. International Congress on Contemporary in Civil Engineering, Architecture and Urban Development, تهران, دانشگاه صنعتي مراغه- دبيرخانه دائمي كنفرانس, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Radmehr, Mostafa; Abbas Akbarpour & Muhammed Maleknia, 2019)
Second and more: (Radmehr; Akbarpour & Maleknia, 2019)
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The University/Research Center Information:
Type: Azad University
Paper No.: 1426
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