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Civil Structural Health Monitoring: Techniques, Systems and Applications

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

Deadline for manuscript submissions: 31 March 2025 | Viewed by 2022

Special Issue Editors


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Guest Editor
School of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China
Interests: dam safety monitoring; support vector machines; Gaussian processes; evolutionary computation; inverse analysis; structural health monitoring
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Sichuan Energy Internet Research Institute, Tsinghua University, Chengdu 610000, China
Interests: dam inspection robot; AI for civil engineering; automation; control system

Special Issue Information

Dear Colleagues,

Civil structures and infrastructures, such as bridges, high-rise buildings, towers, dams, tunnels, and so forth, occupy a major position in the economy and play a vital role in facilitating daily life for the world population. However, accidental structural damage can cause significant economic and human casualties. Structures subjected to dead load, live load, natural hazards, and anthropogenic activities are referred to as the censorious elements in the construction systems. Thus, structural health monitoring is necessary for the longevity of the building and the safety of the public. Structural health monitoring is the process of implementing a damage detection and characterization strategy for engineering structures. Structural health monitoring pertains to the life of a structure and diagnoses the ‘‘state” of the constituted materials in different parts of the structure. This Special Issue aims to discuss the latest research advances in the field of civil structural health monitoring (such as the detection of damage and data processing algorithms, modelling and simulation, sensor development and experimentation, materials research, etc.) in the form of reviews and case studies. The future of this field is very bright, and will help to drive futuristic and intelligent infrastructure. 

Prof. Dr. Fei Kang
Prof. Dr. Yonglong Li
Guest Editors

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Keywords

  • structural health monitoring
  • damage identification
  • numerical simulation
  • sensor experiments
  • underwater defect detection
  • machine learning
  • dams
  • case studies

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Published Papers (2 papers)

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Research

31 pages, 50761 KiB  
Article
Intelligent Structural Health Monitoring and Noncontact Measurement Method of Small Reservoir Dams Using UAV Photogrammetry and Anomaly Detection
by Sizeng Zhao, Fei Kang, Lina He, Junjie Li, Yiqing Si and Yiping Xu
Appl. Sci. 2024, 14(20), 9156; https://doi.org/10.3390/app14209156 - 10 Oct 2024
Viewed by 444
Abstract
This study proposes a UAV-based remote measurement method for accurately locating pedestrians and other small targets within small reservoir dams. To address the imprecise coordinate information in reservoir areas after prolonged operations, a transformation method for converting UAV coordinates into the local coordinate [...] Read more.
This study proposes a UAV-based remote measurement method for accurately locating pedestrians and other small targets within small reservoir dams. To address the imprecise coordinate information in reservoir areas after prolonged operations, a transformation method for converting UAV coordinates into the local coordinate system without relying on preset parameters is introduced, accomplished by integrating the Structure from Motion (SfM) algorithm to calculate the transformation parameters. An improved YOLOv8 network is introduced for the high-precision detection of small pedestrian targets, complemented by a laser rangefinder to facilitate accurate 3D locating of targets from varying postures and positions. Furthermore, the integration of a thermal infrared camera facilitates the detection and localization of potential seepage. The experimental validation and application across two real small reservoir dams confirm the accuracy and applicability of the proposed approach, demonstrating the efficiency of the proposed routine UAV surveillance strategy and proving its potential to establish electronic fences and enhance maintenance operations. Full article
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16 pages, 6273 KiB  
Article
Load Effect Analysis Method of Cable-Stayed Bridge for Long-Span Track Based on Adaptive Filtering Method
by Peng Ding, Xiaogang Li, Sheng Chen, Xiangsheng Huang, Xiaohu Chen and Yong Qi
Appl. Sci. 2024, 14(16), 7057; https://doi.org/10.3390/app14167057 - 12 Aug 2024
Viewed by 739
Abstract
Aiming at the problems of large capacity, narrow transverse width, large excitation, high safety level, and difficulty in accurately grasping the working state of the cable-stayed bridge for the long-span track, this research obtains the structural response data in real time by establishing [...] Read more.
Aiming at the problems of large capacity, narrow transverse width, large excitation, high safety level, and difficulty in accurately grasping the working state of the cable-stayed bridge for the long-span track, this research obtains the structural response data in real time by establishing a health monitoring system. The adaptive filtering method was employed to separate the train load response and the temperature load response. Then, a train load effect analysis method based on the influence line and a temperature load effect analysis method based on the correlation were proposed to assess the operational status of the bridge in real time and objectively. The Chongqing Nanjimen Railway Track Bridge (hereinafter Chongqing Nanjimen track bridge) project was utilized as a case study to demonstrate the application of these methods. The results show that the adaptive filtering method can effectively separate the response of train and temperature loads. The normalized cross-correlation (NCC) results of the measured train load response and the influence line’s finite element calculation show a high degree of fit between the measured values and the theory, proving that no significant anomalies are found in the bridge. There is a strong correlation between the ambient temperature difference and the Pearson correlation coefficient of structural response, which indicates that the Chongqing Nanjimen track bridge is currently in normal working condition. Full article
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