期刊
APPLIED SCIENCES-BASEL
卷 13, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/app13063762
关键词
non-destructive characterization; masonry; sonic tests; dynamic identification; numerical model
This study evaluates the application of non-destructive techniques, sonic and environmental vibration tests, on the soil-cement compressed earth blocks reinforced masonry walls. It aims to verify the reliability of the sonic test method for masonry characterization and assess a combined test methodology for structural assessment. A numerical model of the walls was developed and calibrated with sonic tests data, and the results were compared with environmental vibration tests to establish correlations between frequencies and predict Young modulus accurately for numerical models.
This work contemplates the application of non-destructive techniques, sonic and environmental vibration tests, on a set of soil-cement compressed earth blocks reinforced masonry walls, which were built in laboratory, under the project SHS-Multirisk. The present work constitutes a comparative study that aimed at verifying the reliability of the sonic test method in masonry characterization and in testing a methodology of combined tests for structural assessment. For that purpose, a numerical model of the walls was developed and calibrated with the mechanical properties that were calculated from the sonic tests data. The results of the simulation of the numerical model were compared with the results of the environmental vibration tests, which enabled to reach a correlation between the frequencies, as well as enabling the indirect sonic tests, which were performed in the vertical direction, to result in an accurate prediction of the Young modulus to be used in the numerical models.
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