Seismic Risk Assessment and Mitigation Design of Urban Buildings

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Structures".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 688

Special Issue Editor


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Guest Editor
School of Civil Engineering, Harbin Institute of Technology, Harbin 150001, China
Interests: earthquake engineering; geotechnical engineering disaster reduction; disaster management engineering

Special Issue Information

Dear Colleagues,

Earthquakes are among the most appalling disasters for human beings; however, seismic risk assessment is a powerful tool that can be employed to minimize earthquake damage. Seismic Risk Assessment (SRA) is used to predict the likelihood of significant damage being caused to buildings and infrastructure, as well economic losses occurring due to potential seismic hazards. This strategy generally comprises two procedures: seismic hazard analysis (SHA) and structural vulnerability assessment (SVA). In this Special Issue, the submission of articles that address novel methods or theories concerning SHA and SVA for urban building and infrastructure is welcome, including novel earthquake-related investigations. The scope of this Special Issue includes, but is not limited to, the following topics: traditional un-reinforced masonry structures; modern reinforced masonry structures; high-rise building and seismic control techniques;  seismic design of urban transportation and energy systems; buried pipeline systems; and knowledge systems for earthquake damage assessment based on artificial intelligence.

Prof. Dr. Aiping Tang
Guest Editor

Manuscript Submission Information

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Keywords

  • seismic risk assessment
  • seismic hazard analysis
  • structural vulnerability assessment
  • building and infrastructure

Published Papers (1 paper)

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Research

15 pages, 21668 KiB  
Article
Analysis of Influence Characteristics of Site Conditions on Seismic Response of Utility Tunnel
by Konghao Wang, Yuanyuan Chen, Ziyuan Huang and Aiping Tang
Buildings 2024, 14(4), 1042; https://doi.org/10.3390/buildings14041042 - 8 Apr 2024
Viewed by 434
Abstract
Utility tunnels are crucial infrastructure projects for cities. Earthquakes are a leading cause of damage to these tunnels. The effect of a non-homogeneous site, as a complex site, on the seismic response of utility tunnels cannot be ignored. Therefore, in this study, a [...] Read more.
Utility tunnels are crucial infrastructure projects for cities. Earthquakes are a leading cause of damage to these tunnels. The effect of a non-homogeneous site, as a complex site, on the seismic response of utility tunnels cannot be ignored. Therefore, in this study, a non-homogeneous three-dimensional finite element model of a utility tunnel was created using the ABAQUS 2021 software. El Centro seismic waves were inputted while changing the structural depth of burial to investigate the utility tunnel’s seismic response. This research is expected to further clarify the seismic variation in the utility tunnel under complex site conditions. The results show the following: (1) The impact of structure burial depth on the utility tunnel in a non-homogeneous site should not be neglected. The peak acceleration shows a decreasing and then increasing trend with increasing depth of burial within 10 m. Under the same site conditions, the peak accelerations and amplification factors of the soil in the clay are larger than those in the sand. (2) In identical site conditions, the utility tunnel structure experiences larger peak displacements in clay compared to sand. As the structure is buried deeper, the peak displacement of the utility tunnel gradually decreases, while the rate of decrease in the peak displacement of the utility tunnel structure gradually increases. The rate of decrease in peak displacement in clay is greater than that in sand. (3) The stress distribution of the utility tunnel structure changes as the depth of the structure increases. In the clay area, the utility tunnel structure shifts from transverse bending deformation to vertical bending deformation. In the sand area, it maintains transverse bending deformation due to the non-homogeneous site. The findings from this study offer guidance for building utility tunnels on non-homogeneous sites. Full article
(This article belongs to the Special Issue Seismic Risk Assessment and Mitigation Design of Urban Buildings)
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