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Structural Dynamics and Risk Assessment of Structures

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

Deadline for manuscript submissions: 20 October 2025 | Viewed by 2366

Special Issue Editors


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Guest Editor
School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China
Interests: structural dynamics; structural vibration control; seismic resilience
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Mechanical Engineering, North China Electric Power University, Baoding 071003, China
Interests: transmission lines engineering
School of Fiber Engineering and Equipment Technology, Jiangnan University, Wuxi 214122, China
Interests: seismic resilience; structural dynamics; lifetime reliability
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Engineering structures experience dynamic responses due to human-induced or natural dynamic loads. Once the loads exceed the structural capacity, it can lead to structural failure, and in severe cases, collapse may occur, resulting in casualties, property damage, and other adverse social impacts. Currently, with the rapid development of artificial intelligence, remote sensing technology, and new materials, the research on structural dynamics and structural risk assessment is developing rapidly. Therefore, this Special Issue aims to analyze the dynamic response of engineering structures and implement sensory monitoring, with the goal of enhancing structural performance through the application of new materials, ultimately striving to improve the stability and service life of engineering structures, including but not limited to engineering structures, such as buildings, transmission lines, bridges, wind turbines, and underground structures. We cordially invite researchers from these fields and other related areas to submit interesting articles on this topic. The potential topics include (but are not limited to) the following:

  1. Analysis of the dynamic performance of engineering structures;
  2. New methods and instruments for structural risk assessment;
  3. Infiltration, corrosion, deformation, and other existing structural damage monitoring methods and reinforcement measures;
  4. Smart materials for monitoring.

Dr. Jiaxiang Li
Dr. Wenqiang Jiang
Dr. Hu Cheng
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • structural earthquake and wind engineering
  • tunnelling engineering
  • structural health monitoring
  • damage detection
  • structural reinforcement
  • high-performance building materials
  • structural dynamic response analysis

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Published Papers (2 papers)

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Research

18 pages, 8417 KiB  
Article
Study on the Multi-Hazard Responses of Transmission Tower-Line Systems Under Fire and Wind Loads Using ABAQUS
by Xiwei He, Huichao Ma, Shibo Zhang, Wenming Wang and Lijuan Zhang
Appl. Sci. 2025, 15(1), 255; https://doi.org/10.3390/app15010255 - 30 Dec 2024
Cited by 1 | Viewed by 714
Abstract
Transmission lines are usually located outdoors and are subjected to wind loads year-round. When a fire occurs, transmission towers are exposed to the combined effects of fire and wind loads. This paper investigates the impact of high temperatures on the bearing capacity of [...] Read more.
Transmission lines are usually located outdoors and are subjected to wind loads year-round. When a fire occurs, transmission towers are exposed to the combined effects of fire and wind loads. This paper investigates the impact of high temperatures on the bearing capacity of transmission tower-line systems under wind load and explores the effects of uneven horizontal spacing distribution and changes in the elevation of the target tower on the bearing capacity of the tower-line system. The failure criteria for transmission tower components at high temperatures were determined by considering the constitutive relationship of steel at ambient temperature and the variation patterns in material strength and elastic modulus with temperature. A finite element model of the transmission tower-line system was established using ABAQUS (2023). This paper studied the effects of temperature, uneven horizontal spacing distribution, and changes in the elevation of the target tower on the response of the transmission tower-line system by comparing collapse-resisting wind speeds and collapse processes under various conditions. The research indicates that the load-bearing capacity of the transmission tower-line system decreases as temperature increases. When the temperature exceeds 400 °C, the collapse-resisting wind speed of the transmission tower drops sharply. At temperatures above 600 °C, the transmission tower may collapse even at the annual average wind speed. In addition, the uneven horizontal spacing distribution and changes in the elevation of the target tower have an adverse effect on the stability of the transmission tower-line system. It is recommended to choose steel materials with higher fire resistance or apply fire-resistant coatings to existing steel, and to avoid extremely uneven spacing distributions and excessively high target tower elevations. Full article
(This article belongs to the Special Issue Structural Dynamics and Risk Assessment of Structures)
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21 pages, 10049 KiB  
Article
Failure Probability Analysis of the Transmission Line Considering Uncertainty Under Combined Ice and Wind Loads
by Jiaxiang Li, Chao Zhang, Jian Zhang, Xuesheng Zhang and Wenrui Wang
Appl. Sci. 2024, 14(22), 10752; https://doi.org/10.3390/app142210752 - 20 Nov 2024
Viewed by 1203
Abstract
The probability of accidents, including conductor breakage and tower collapse, for the transmission tower-line system significantly increases under combined ice and wind loads. The existing research on the failure probability of the tower-line system under combined ice and wind loads is limited to [...] Read more.
The probability of accidents, including conductor breakage and tower collapse, for the transmission tower-line system significantly increases under combined ice and wind loads. The existing research on the failure probability of the tower-line system under combined ice and wind loads is limited to static calculation, ignoring the fluctuating effect of wind. In addition, uncertainty in the material strength and geometric dimensions of the structure due to the production process and other pertinent factors could affect the bearing capacity of the tower. To accurately assess the failure probability of transmission lines under combined ice and wind loads, this paper first established numerical models of the transmission tower-line system considering structural uncertainty based on the Latin Hypercube Sampling method. And then, the limit performance indexes of the uncertain models were determined by Pushover analysis. Subsequently, considering the joint probability distributions of ice thickness–wind speed and wind speed–wind direction, the failure probability of the tower-line system under ice and wind loads was calculated. Finally, the influence of structural uncertainty and fluctuating wind on the failure probability was discussed. The results showed that, compared with structural uncertainty, the fluctuating effect of wind had a more significant influence on the failure probability of the tower-line system under combined ice and wind loads. After considering the fluctuating effect of wind, the smaller ice loads can potentially lead to the failure of the transmission tower-line system. Full article
(This article belongs to the Special Issue Structural Dynamics and Risk Assessment of Structures)
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