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

OLSSON W A, BROWN S R. Hydromechanical Response of a Fracture Undergoing Compression and Shear[J]. International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts, 1993, 30(7):845-851.

ESAKI T, DU S, MITANI Y, et al. Development of a Shear-Flow Test Apparatus and Determination of Coupled Properties for a Single Rock Joint[J]. International Journal of Rock Mechanics and Mining Sciences, 1999, 36(5):641-650.

刘才华, 陈从新, 付少兰. 剪应力作用下岩体裂隙渗流特性研究[J].岩石力学与工程学报, 2003, 22(10):1651-1655.

HANS J, BOULON M. A New Device for Investigating the Hydro-Mechanical Properties of Rock Joints[J]. International Journal for Numerical and Analytical Methods in Geomechanics, 2003, 27(6):513-548.

LEE H S, CHO T F. Hydraulic Characteristics of Rough Fractures in Linear Flow Under Normal and Shear Load[J]. Rock Mechanics and Rock Engineering, 2002, 35(4):299-318.

CHIBA S, OHNISHI Y, OHTSU H. The Development of New Apparatus Considering the Effect of Shear Deformation on Hydraulic Characteristics of a Single Joint[C]//Environmental Rock Engineering. 2003:93-100.

JIANG Y J, XIAO J, TANABASHI Y. Development of an Automated Servo-Controlled Direct Shear Apparatus Applying a Constant Normal Stiffness Condition[J]. International Journal of Rock Mechanics and Mining Sciencs, 2004, 41:275-286.

JIANG Y J, TANABASHI Y, XIAO J. An Improved Shear-Flow Test Apparatus and Its Application to Deep Underground Construction[J]. International Journal of Rock Mechanics and Mining Sciences, 2004, 41(S1):170-175.

JIANG Y, LI B, TANABASHI Y. Estimating the Relation Between Surface Roughness and Mechanical Properties of Rock Joints[J]. International Journal of Rock Mechanics and Mining Sciences,2006, 43(6):837-846.

LI B,JIANG Y,KOYAMA T,et al. Experimental Study on Hydromechanical Behavior of Rock Joints by Using Parallel-Plates Model Containing Contact Area and Artificial Fractures[J]. International Journal of Rock Mechanics and Mining Sciences,2008, 45(3):362-375.

熊祥斌, 李博, 蒋宇静, 等. 剪切条件下单裂隙渗流机制试验及三维数值分析研究[J]. 岩石力学与工程学报, 2010, 29(11):2230-2238.

KOYAMA T, NERETNIEKS I, JIANG L. A Numerical Study on Difference in Using Navier-Stokes and Reynolds Equations for Modeling the Fluid Flow and Particle Transport in Single Rock Fractures with Shear[J]. International Journal of Rock Mechanics and Mining Sciences, 2008, 45(7):1082-1101.

XIONG X, LI B, JIANG Y, KOYAMA T. Experimental and Numerical Study of the Geometrical and Hydraulic Characteristics of a Single Rock Fracture During Shear[J]. International Journal of Rock Mechanics and Mining Sciences, 2011, 48(8):129201302.

王小江. 岩石结构面力学及水力特性实验研究[D]. 武汉:武汉大学, 2013.

FANG Y, ELSWORTH D, WANG C. Mineralogical Controls on Frictional Strength, Stability and Shear Permeability Evolution of Fractures[J]. Journal of Geophysical Research Solid Earth, 2018, 123(5):3549-3563.

FANG Y, ELSWORTH D, ISHIBASHI T et al. Permeability Evolution and Frictional Stability of Fabricated Fractures with Specified Roughness[J]. Journal of Geophysical Research Solid Earth, 2018,123(11).DOI: 10.1029/2018JB016215.

ZHANG Z, NEMCIK J. Fluid Flow Regimes and Non-Linear Flow Characteristics in Deformable Rock Fractures[J]. Journal of Hydrology, 2013, 477(1):139-151.

RONG G, YANG J, CHENG L, et al. Laboratory Investigation of Nonlinear Flow Characteristics in Rough Fractures During Shear Process[J]. Journal of Hydrology, 2016, 541:1385-1394.

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