Title:
SPECIMEN PREPARATION METHOD FOR ELIMINATING MEMBRANE PENETRATION EFFECT ON HIGHLY-WEATHERED ROCK
Document Type and Number:
WIPO Patent Application WO/2020/103356
Kind Code:
A1
Abstract:
A specimen preparation method for eliminating a membrane penetration effect on a highly-weathered rock. The method makes an originally uneven surface of a specimen smooth using a cured liquid latex as a filler, thereby eliminating a membrane penetration effect on a highly-weathered rock. Specimen preparation steps comprise specimen cutting, pit filling, surface smoothing, specimen shaping, and specimen loading. The method can effectively eliminate disadvantageous influences of a membrane penetration effect on a highly-weathered rock, such that an obtained triaxial shear test result is true, reliable, and precise. In addition, the method features non-toxic test materials, low costs, feasible steps, simple operations, and a short test period, and can avoid the problem of test failures due to that protruding quartz particles on the surface of a specimen penetrate through a membrane under high pressure.
Inventors:
ZHANG XIAN WEI (CN)
LIU XIN YU (CN)
MA CHAO (CN)
DU JI JUN (CN)
LI RUI DUO (CN)
CHEN CHENG (CN)
LIU XIN YU (CN)
MA CHAO (CN)
DU JI JUN (CN)
LI RUI DUO (CN)
CHEN CHENG (CN)
Application Number:
PCT/CN2019/077577
Publication Date:
May 28, 2020
Filing Date:
March 09, 2019
Export Citation:
Assignee:
INST ROCK & SOIL MECH CAS (CN)
International Classes:
G01N1/28
Foreign References:
| CN102628767A | 2012-08-08 | |||
| CN103175949A | 2013-06-26 | |||
| CN108414343A | 2018-08-17 | |||
| CN102507904A | 2012-06-20 | |||
| US4393699A | 1983-07-19 |
Other References:
ZHOU, JINGXING ET AL.: "Extreme Correction Method of Rubber Film's Impact in Dynamic Triaxial Test", JOURNAL OF HYDRAULIC ENGINEERING, no. 5, 31 May 1986 (1986-05-31), ISSN: 0559-9350
WANG, KUNYAO ET AL.: "Preliminary Study On Membrane Penetration Effects In Coarse-Grained Soil Specimens", DAM OBSERVATION AND GEOTECHNICAL TESTS, vol. 24, no. 4, 20 August 2000 (2000-08-20), pages 45 - 49, XP055709691, ISSN: 1000-1352
WANG, KUNYAO ET AL.: "Preliminary Study On Membrane Penetration Effects In Coarse-Grained Soil Specimens", DAM OBSERVATION AND GEOTECHNICAL TESTS, vol. 24, no. 4, 20 August 2000 (2000-08-20), pages 45 - 49, XP055709691, ISSN: 1000-1352
Attorney, Agent or Firm:
WUHAN YUCHEN PATENT AGENCY (CN)
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