Structural Performance and Damage Assessment of Reinforced Concrete Structures Exposed to High Strain Rate Loads

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

Deadline for manuscript submissions: 31 August 2024 | Viewed by 300

Special Issue Editors


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Guest Editor
School of Marine Science and Engineering, South China University of Technology, Guangzhou 511442, China
Interests: blast and impact; structural dynamics; structural engineering

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Guest Editor
Centre for Multidisciplinary Infrastructure Engineering, Shenyang University of Technology, Shenyang 110870, China
Interests: structural engineering; blast and impact loading; strengthening; damage assessment; finite element method

Special Issue Information

Dear Colleagues,

Reinforced concrete (RC) structures might subject to severe impulsive loadings due to shock wave, blast wave or direct impact in their service life. Many impact and explosion incidents caused significant structural damages, which in turn generates huge amount of economic loss, and sometimes claimed many lives. Moreover, these incidents always induce significant psychological impact on the general societies. In response to threats from explosion and impact loads for human and infrastructure protection, the development of various impact and blast resistant design guidelines and scientific research has recently become a priority of many governments worldwide.

Therefore, the main aim of this Special Issue is Structural performance and damage assessment of reinforced concrete structures exposed to high strain rate loads. Topics include but are not limited to:

  • Blast and impact loading;
  • Finite element modeling;
  • Damage assessment;
  • Strain-rate effect;
  • Structural strengthening;
  • Structural dynamics;
  • Protective structures;
  • Structural response.

Prof. Dr. Chunwei Zhang
Dr. Masoud Abedini
Guest Editors

Manuscript Submission Information

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Keywords

  • blast and impact loading
  • finite element modeling
  • damage assessment
  • strain-rate effect
  • structural strengthening
  • structural dynamics
  • protective structures
  • structural response

Published Papers (1 paper)

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Research

16 pages, 4130 KiB  
Article
Crack Detection of Curved Surface Structure Based on Multi-Image Stitching Method
by Dashun Cui and Chunwei Zhang
Buildings 2024, 14(6), 1657; https://doi.org/10.3390/buildings14061657 - 4 Jun 2024
Abstract
The crack detection method based on image processing has been a new achievement in the field of civil engineering inspection in recent years. Column piers are generally used in bridge structures. When a digital camera collects cracks on the pier surface, the loss [...] Read more.
The crack detection method based on image processing has been a new achievement in the field of civil engineering inspection in recent years. Column piers are generally used in bridge structures. When a digital camera collects cracks on the pier surface, the loss of crack dimension information leads to errors in crack detection results. In this paper, an image stitching method based on Speed-Up Robust Features (SURFs) is adopted to stitch the surface crack images captured from different angles into a complete crack image to improve the accuracy of the crack detection method based on image processing in curved structures. Based on the proposed method, simulated crack tests of vertical, inclined, and transverse cracks on five different structural surfaces were conducted. The results showed that the influence of structural curvature on the measurement results of vertical cracks is very small and can be ignored. Nevertheless, the loss of depth information at both ends of curved cracks will lead to errors in crack measurement outcomes, and the factors that affect the precision of crack detection include the curvature of the surface and the length of the crack. Compared with inclined cracks, the structural curvature significantly influences the measurement results of transverse cracks, especially the length measurement results of transverse cracks. The image stitching method can effectively reduce the errors caused by the structural curved surface, and the stitching effect of three images is better than that of two images. Full article
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