Seismic Analysis and Risk Assessment of Civil Engineering Infrastructures

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: closed (20 April 2022) | Viewed by 2294

Special Issue Editor


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Guest Editor
Structural System Laboratory (SSL), Department of Civil and Environmental Engineering, Kongju National University, Chungcheongnam-do 31080, Korea
Interests: structural dynamics; earthquake engineering; vibration control

Special Issue Information

Dear Colleagues,

Seismic excitation can represent significant intimidation to the civil engineering infrastructures because of inducing pernicious damage and possible structural failures. In case of damages occurred, immediate actions may be urgent to prevent further degradation that can have catastrophic consequences. A certain level of an earthquake depends on several uncertainties, where the seismic risk uncertainties are related to the location, size, frequency, and effect of an earthquake. Seismic safety evaluation against this certain level of earthquake has a great impact on the infrastructures.

Therefore, this Special Issue focuses on failure risk assessment of civil engineering infrastructures in the seismically hazardous area. Alongside this, this issue will cover the following research themes as well:

  1. Development of advanced technology for civil engineering infrastructures to mitigate seismic damage 
  2. Adoption of civil engineering infrastructures capacity strengthening new technologies like FRP, CFRP, MRT, etc. or used in an existing under-designed or damaged infrastructures  
  3. Effect of seismic response reduction compared to the existing model technique with and without the application of seismic mitigation systems
  4. Derive a simple system to improve the seismic safety evaluation under hazard consideration 
  5. Seismic reliability-based safety evaluation
  6. Determination of most failure contribution IM of seismically induced structure
  7. Generating computational tools for the proposed methodology
  8. This issue contains the reinforced concrete structure, steel structure, composite or hybrid structure, etc. considering the different natural hazardous conditions like earthquake, fire, flood, etc.

Prof. Dr. Dookie Kim
Guest Editor

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Published Papers (1 paper)

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Research

20 pages, 6862 KiB  
Article
Seismic Fragility and Risk Assessment of a Nuclear Power Plant Containment Building for Seismic Input Based on the Conditional Spectrum
by Ji-Hun Park, Dong-Hyun Shin and Seong-Ha Jeon
Appl. Sci. 2022, 12(10), 5176; https://0-doi-org.brum.beds.ac.uk/10.3390/app12105176 - 20 May 2022
Viewed by 1662
Abstract
A procedure for the seismic fragility assessment of nuclear power plants by applying ground motions compatible with the conditional probability distribution of a conditional spectrum (CS) is presented with a case study of a containment building. Three CSs were constructed using different control [...] Read more.
A procedure for the seismic fragility assessment of nuclear power plants by applying ground motions compatible with the conditional probability distribution of a conditional spectrum (CS) is presented with a case study of a containment building. Three CSs were constructed using different control frequencies to investigate the influence of the control frequency. Horizontal component-to-component directional variability was introduced by randomly rotating the horizontal axes of the recorded ground motions. Nonlinear lumped mass stick models were constructed using variables distributed by Latin hypercube sampling to model the uncertainty. An incremental dynamic analysis was performed, and seismic fragility curves were calculated. In addition, a seismic input based on a uniform hazard response spectrum (UHRS) was applied to the seismic fragility assessment for comparison. By selecting a control frequency dominating the seismic response, the CS-based seismic input produces an enhanced ‘high confidence of low probability of failure’ capacity and lower seismic risk than the UHRS-based seismic input. Full article
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