Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A Rock Tensile Compression Ring Shear Tester

A tester, pressure ring technology, applied to instruments, using stable shear force to test material strength, scientific instruments, etc., can solve the problem that the output direction of shear stress cannot truly reflect the state of stress, the failure is discontinuous, and the shear stress Uneven distribution and other problems, to achieve accurate rock shear strength parameters, continuous and uniform shear deformation, and achieve uniform shear stress distribution

Active Publication Date: 2020-06-26
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a rock tension-compression ring shear tester, which solves the problem of uneven distribution of shear stress on the shear surface, discontinuous damage, and failure to truly reflect the impact on the shear stress output direction in the prior art during the shear process of rock samples. technical issues

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Rock Tensile Compression Ring Shear Tester
  • A Rock Tensile Compression Ring Shear Tester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] The embodiment of the present application provides a rock tension-compression ring shear tester to solve the problem of uneven distribution of shear stress on the shear surface, discontinuous damage, and different shear stress output directions in the prior art during the shearing process of rock samples. Technical issues: The technical effect of improving the rock shear strength parameters, the accuracy of shear deformation changes, the integrity, and the rock constitutive relationship has been achieved.

[0037] In order to solve the above technical problems, the general idea of ​​the technical solution provided by the embodiment of the present application is as follows:

[0038] Through the torque loading system, the torque of the ring columnar rock sample is uniformly applied to ensure continuous and uniform deformation; and through the independent operation of the axial loading system and the torque loading system, combined with the cooperation of the upper and lowe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of mechanical testing devices for rock and discloses a tension, pressure and ring-shear tester for the rock. The tester comprises a base, a lower shear box, an upper shear box, a first framework, a second framework, an axial loading system and a torque loading system; the first framework is fixed on the base, and the second framework is fixed on the first framework; the axial loading system is fixed on the second framework, and the upper shear box is fixed at an output terminal of the axial loading system; the torque loading system is fixed on the second framework; the lower shear box is fixed on the base; the upper shear box and the lower shear box are arranged oppositely; an annular upper sample groove is formed in the upper shear box, and an annular lower sample groove matched with the annular upper sample groove is formed in the lower shear box; the torque loading system is connected with the output terminal of the axial loading system and is used for applying horizontal torque. The tester provided by the invention can be used for really simulating a stress state of the rock.

Description

technical field [0001] The invention relates to the technical field of rock mechanics test devices, in particular to a rock tension-compression ring-shear tester. Background technique [0002] The shear strength of rock is the ability of rock to resist shear failure, and it is one of the important characteristics required in rock mechanics research. In the field of geotechnical engineering, test methods are widely used to determine the shear strength index of rock. The test methods for measuring the shear strength of rock can be divided into two categories: indoor test and field test. Among them, indoor tests usually include direct shear test, wedge shear test and triaxial compression test. Field tests are usually direct shear tests. [0003] Analysis of the existing test methods, the test loading method and the selection of the sample structure make the shear stress distribution on the shear surface uneven during the shear process, and the shear surface is progressively ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/24
CPCG01N3/24G01N2203/0025
Inventor 周辉姜玥卢景景张传庆胡大伟高阳陈珺
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com