SHEAR-SEEPAGE-COUPLING CHARACTERISTICS OF ROCK DISCONTINUITY IN SERRATED INTERFACES

ZHU Ruijuan; GU Linlin

doi:10.13204/j.gyjzG19121607

Volume 50 Issue 10

Jan. 2021

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ZHU Ruijuan, GU Linlin. SHEAR-SEEPAGE-COUPLING CHARACTERISTICS OF ROCK DISCONTINUITY IN SERRATED INTERFACES[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(10): 101-105. doi: 10.13204/j.gyjzG19121607

Citation:

ZHU Ruijuan, GU Linlin. SHEAR-SEEPAGE-COUPLING CHARACTERISTICS OF ROCK DISCONTINUITY IN SERRATED INTERFACES[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(10): 101-105. doi: 10.13204/j.gyjzG19121607

ZHU Ruijuan, GU Linlin. SHEAR-SEEPAGE-COUPLING CHARACTERISTICS OF ROCK DISCONTINUITY IN SERRATED INTERFACES[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(10): 101-105. doi: 10.13204/j.gyjzG19121607

Citation:

ZHU Ruijuan, GU Linlin. SHEAR-SEEPAGE-COUPLING CHARACTERISTICS OF ROCK DISCONTINUITY IN SERRATED INTERFACES[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(10): 101-105. doi: 10.13204/j.gyjzG19121607

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SHEAR-SEEPAGE-COUPLING CHARACTERISTICS OF ROCK DISCONTINUITY IN SERRATED INTERFACES

doi: 10.13204/j.gyjzG19121607

ZHU Ruijuan¹,
GU Linlin^{2
,
,}

1. Datong Vocational and Technical College of Coal, Datong 037003, China;
2. Nanjing University of Science and Technology, Department of Civil Engineering, Nanjing 210094, China

Received Date: 2019-12-16

Abstract

Abstract

The discontinuity is an important characteristic of engineering rock mass, and the seepage characteristic is generally an important factor affecting its stability. In order to further study the seepage characteristic of rock discontinuity, the interface form of natural discontinuity was simplified to be a regular serrated shape, and the artificial rock discontinuity was cast by gypsum, and a series of shearing and seepage coupling tests was carried out to investigate the hydraulic and mechanical properties subjected to discontinuity shearing. The test results showed that the shearing strength of regular serrated interface discontinuity was closely related to serrated angles, normal loading and seepage pressure; the shearing strength decreased obveriously and hydraulic apertures enlarged a lot under high seepage pressure because of softening effect on discontinuity subjected to seepage pressure; the cutting tooth effect was more significant with the increase of seepage pressure during shearing process.
- discontinuity with serrated,
- shear-seepage,
- regular serrated interface,
- hydraulic aperture,
- seepage pressure,
- shearing strength

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References(18)

References

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