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Article

A Novel Procedure to Measure Membrane Penetration of Coarse Granular Materials

by 1,2,*, 1,2,*, 1,2 and 1,2
1
Geotechnical Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210024, China
2
Key Laboratory of Failure Mechanism and Safety Control Techniques of Earth-Rock Dam of the Ministry of Water Resources, Nanjing 210024, China
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2022, 12(13), 6381; https://doi.org/10.3390/app12136381
Received: 24 May 2022 / Revised: 7 June 2022 / Accepted: 11 June 2022 / Published: 23 June 2022
The membrane penetration effect will significantly influence the measurement of specimen volume deformation in the triaxial test. This paper presents a novel procedure for measuring and correcting the membrane penetration of rubber by using a newly developed multiscale triaxial apparatus. A series of triaxial tests on coarse granular materials was conducted with different specimen diameters, and it is found that the proportion of volume change due to membrane penetration decreases linearly with increasing specimen diameter. To reduce the margin of error induced by membrane penetration in the triaxial test, it is recommended to use specimens of larger size. Such a method can facilitate the correction and estimation of the membrane penetration effect of coarse granular materials. View Full-Text
Keywords: coarse granular materials; membrane penetration; triaxial tests; volume change; specimen size coarse granular materials; membrane penetration; triaxial tests; volume change; specimen size
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MDPI and ACS Style

Xu, W.; Ji, E.; Shi, B.; Chen, C. A Novel Procedure to Measure Membrane Penetration of Coarse Granular Materials. Appl. Sci. 2022, 12, 6381. https://doi.org/10.3390/app12136381

AMA Style

Xu W, Ji E, Shi B, Chen C. A Novel Procedure to Measure Membrane Penetration of Coarse Granular Materials. Applied Sciences. 2022; 12(13):6381. https://doi.org/10.3390/app12136381

Chicago/Turabian Style

Xu, Weiwei, Enyue Ji, Beixiao Shi, and Chenghao Chen. 2022. "A Novel Procedure to Measure Membrane Penetration of Coarse Granular Materials" Applied Sciences 12, no. 13: 6381. https://doi.org/10.3390/app12136381

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