Evaluation of the Uniformity of Protective Coatings on Concrete Structure Surfaces Based on Cluster Analysis

With the continuous development of urbanization and industrialization in the world, concrete is widely used in various engineering constructions as an engineering material. However, the consequent problem of durability of concrete structures is also becoming increasingly prominent. As an important a...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2021-08, Vol.21 (16), p.5652
Main Authors: Liu, Dunwen, Zhang, Wanmao, Tang, Yu, Jian, Yinghua, Gong, Chun, Qiu, Fengkai
Format: Article
Language:English
Subjects:
Accuracy
Artificial intelligence
Civil engineering
Cluster analysis
Clustering
Concrete curing
concrete protection
Concrete structures
Corrosion resistance
Durability
Experiments
Heat detection
image processing
Infrared analysis
infrared detection
Infrared imagery
Infrared imaging
Infrared imaging systems
Inspection
Machine learning
Nondestructive testing
Protective coatings
Protective structures
Reinforced concrete
Software
Temperature distribution
uniformity evaluation
Urbanization
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Summary:With the continuous development of urbanization and industrialization in the world, concrete is widely used in various engineering constructions as an engineering material. However, the consequent problem of durability of concrete structures is also becoming increasingly prominent. As an important additional measure, a protective coating can effectively improve the durability of concrete performance. Moreover, the uniformity of the concrete surface coating will directly affect its protective effect. Therefore, we propose a nondestructive inspection and evaluation method of coating uniformity based on infrared imaging and cluster analysis for concrete surface coating uniformity detection and evaluation. Based on the obtained infrared images, a series of processing and analysis of the images were carried out using MATLAB software to obtain the characteristics of the infrared images of the concrete surface. Finally, by extracting the temperature distribution data of the pixel points on the concrete surface, an evaluation method of concrete surface coating uniformity based on a combination of cluster analysis and hierarchical analysis was established. The evaluation results show that the determination results obtained by this method are consistent with the actual situation. This study has a positive contribution to the testing of concrete surface coating uniformity and its evaluation.
ISSN:1424-8220
1424-8220
DOI:10.3390/s21165652