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  • 标题:ULTRASONIC ARRAY IMAGING METHOD FOR CONCRETE MATERIALS
  • 本地全文:下载
  • 作者:QIUFENG LI ; XUEJUAN YANG ; PAN HUANG
  • 期刊名称:Journal of Theoretical and Applied Information Technology
  • 印刷版ISSN:1992-8645
  • 电子版ISSN:1817-3195
  • 出版年度:2013
  • 卷号:47
  • 期号:2
  • 页码:740-745
  • 出版社:Journal of Theoretical and Applied
  • 摘要:Because of the need of rapid detection of internal defects and embedded object in concrete structures, a ultrasonic detecting method with linear array transducers is presented here, which is the high-resolution and efficient imaging technique for concrete materials by combining with synthetic aperture focusing technique (SAFT). At first, simulation data of array detection are processed to be amalgamated B-scan data of concrete materials according to the structural characteristics of linear array transducers. And then the B-scan data collected from numerical simulation are reconstructed in the light of geometrical relation of ultrasonic path and SAFT. And the structural imaging figures are calculated at last. It can be shown from simulation results that the method with array detection is effective, and the embedded object in model can be identified effectively.
  • 关键词:Concrete Materials; Ultrasonic Array Transducers; SAFT
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