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Applied Sciences
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Health Monitoring and Maintenance of Civil Structures
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Health Monitoring and Maintenance of Civil Structures

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

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 3253

Special Issue Editors

Prof. Dr. Yingying Zhang

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Guest Editor
Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering, School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China
Interests: engineering intelligent detection and monitoring technology of structures; engineering structure digitization and low carbonization; engineering structure public safety monitoring and protection
Dr. Jianhui Hu

E-Mail Website
Guest Editor
Space Structures Research Center, State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: large-span spatial buildings; polar buildings; sustainable building; solar energy; BIPV; inflatable structures
Special Issues, Collections and Topics in MDPI journals
Dr. Yinglei Li

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Interests: structural engineering; fiber-reinforced plastic
Dr. Wengui Li

E-Mail Website
Guest Editor
School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
Interests: smart concrete; functional concrete; sustainable construction materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The ability to monitor civil structures over their lifetime in order to improve reliability and availability and reduce life-cycle costs is of vital importance in many engineering fields. Structural health monitoring (SHM) is defined as a process of monitoring the performance and evaluating structural health based on measurements from on-structure sensing systems. SHM has attracted significant worldwide research efforts because it provides engineers and infrastructure owners with a more reliable way to monitor structural conditions to prevent catastrophic failure. Over the past decades, natural hazards of unusual magnitude compared to those listed in historic records, have struck several parts of the world. Seismic actions, catastrophic and unexpected flooding, heavy rainfalls, landslides, and rock falls have caused, in many cases, irreparable damage and loss of life. Hence, it is very critical to maintain and reinforce damaged civil engineering structures, and some innovative technologies are urgently needed to achieve this. We hope that this Special Issue attracts high-quality papers that contribute to health monitoring, damage assessment, and the prediction of remaining life, maintenance and reinforcement related to civil structures. All submissions will be subject to a rapid review process, which will be provided to ensure that the highest quality papers are included in this SI. 

Prof. Dr. Yingying Zhang
Dr. Jianhui Hu
Dr. Yinglei Li
Dr. Wengui Li
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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

  • advanced sensing technology
  • design and optimization of SHM systems
  • signal processing and analysis of SHM systems
  • damage diagnosis of structures based on monitoring data
  • life cycle condition assessment of civil structures
  • life extension of civil structures using SHM
  • advanced civil structures maintenance and reinforcement technology

Published Papers (2 papers)

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Research

22 pages, 7351 KiB  
Article
Influence of the Pre-Existing Defects on the Strain Distribution in Concrete Compression Stress Field by the AE and DICM Techniques
by Nadezhda Morozova, Kazuma Shibano, Yuma Shimamoto and Tetsuya Suzuki
Appl. Sci. 2023, 13(11), 6727; https://doi.org/10.3390/app13116727 - 31 May 2023
Viewed by 997
Abstract
This research investigates the influence of the pre-existing defects within concrete taken from the in-service irrigation structure on the strain distribution. The X-ray Computed Tomography (CT) technique is employed to investigate the internal concrete matrix and evaluate the defect distribution in it. The [...] Read more.
This research investigates the influence of the pre-existing defects within concrete taken from the in-service irrigation structure on the strain distribution. The X-ray Computed Tomography (CT) technique is employed to investigate the internal concrete matrix and evaluate the defect distribution in it. The cracking system in a concrete matrix is detected as a damage type caused by the severe environment, and it is varied by the different degrees in all samples. The geometric properties of defects and their spatial location are obtained by image processing of CT images. The compression test with Acoustic Emission (AE) and Digital Image Correlation (DIC) measurements is conducted to analyze the fracture processes and acquire the damage spatial information. The AE signal descriptors are effective parameters for real-time detection and potential local damage monitoring. Moreover, the analysis of the DICM strain and displacement fields reveals the most potential fracture zones. The AE source location analysis indicated a connection between pre-existing defects and strain localization. The AE events and strain are high in the defect areas. Additionally, the amplitude and frequency of the AE events correlated with the location of the defects indicating that the structure weakness at that point leads to concentrated deformation development. Full article
(This article belongs to the Special Issue Health Monitoring and Maintenance of Civil Structures)
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22 pages, 8943 KiB  
Article
Wind Vulnerability of Flexible Outdoor Single-Post Billboards
by Rolando Salgado-Estrada, Arturo Galván, Jatziri Y. Moreno-Martínez, Ernesto A. Elvira-Hernández, Franco Carpio, Agustín L. Herrera-May, Sergio A. Zamora Castro and Israel E. Herrera-Díaz
Appl. Sci. 2023, 13(10), 6197; https://doi.org/10.3390/app13106197 - 18 May 2023
Cited by 1 | Viewed by 1602
Abstract
Increased temperature due to global climate change is increasing the magnitude and frequency of extreme winds making billboard structures more vulnerable. This paper proposes a methodology to determine the structural safety of flexible outdoor single-post billboards. A CFD model of a flexible single-post [...] Read more.
Increased temperature due to global climate change is increasing the magnitude and frequency of extreme winds making billboard structures more vulnerable. This paper proposes a methodology to determine the structural safety of flexible outdoor single-post billboards. A CFD model of a flexible single-post billboard was performed as an example. Resultant wind forces were obtained for the previous model using different wind speeds. A mechanical numerical model of the billboard was realized, and this was subjected to the resultant wind forces. Internal forces for the most vulnerable places of the billboard were obtained for all different adopted wind speeds. Next, a reliability analysis of the billboard was performed considering several values for the bias factor and coefficient of variation for the internal forces caused by wind. Safety levels determined from the reliability analysis indicate that a billboard designed with a nominal wind speed of 180 km/h cannot achieve the target probability index of 3.2 for wind speed higher or equal to 200 km/h for any of the adopted probabilistic parameters. Significant differences in the found safety levels for the evaluated probability parameters indicate that billboard structures could undergo safety values below the target one with changes in the case where wind characteristics endanger this type of structure. Full article
(This article belongs to the Special Issue Health Monitoring and Maintenance of Civil Structures)
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