The application of compressive sampling in rapid ultrasonic computerized tomography (UCT) technique of steel tube slab (STS).

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ID: 88936
2018
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Abstract
This paper explores a new method for rapid structural damage inspection of steel tube slab (STS) structures along randomly measured paths based on a combination of compressive sampling (CS) and ultrasonic computerized tomography (UCT). In the measurement stage, using fewer randomly selected paths rather than the whole measurement net is proposed to detect the underlying damage of a concrete-filled steel tube. In the imaging stage, the ℓ1-minimization algorithm is employed to recover the information of the microstructures based on the measurement data related to the internal situation of the STS structure. A numerical concrete tube model, with the various level of damage, was studied to demonstrate the performance of the rapid UCT technique. Real-world concrete-filled steel tubes in the Shenyang Metro stations were detected using the proposed UCT technique in a CS framework. Both the numerical and experimental results show the rapid UCT technique has the capability of damage detection in an STS structure with a high level of accuracy and with fewer required measurements, which is more convenient and efficient than the traditional UCT technique.
Reference Key
jiang2018theplos Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Jiang, Baofeng;Jia, Pengjiao;Zhao, Wen;Wang, Wentao;
Journal PloS one
Year 2018
DOI
DOI not found
URL
http://europepmc.org/articles/PMC5749764?pdf=render
Keywords
Medicine Materials of engineering and construction. Mechanics of materials Chemical technology Engineering (General). Civil engineering (General) Science physics environmental effects of industries and plants renewable energy sources environmental sciences architecture building construction astrophysics

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