Shear test device and method for rock repair surface
A shear test and rock technology, applied in the direction of testing material strength by applying stable shear force, measuring device, using stable tension/compression to test material strength, etc., can solve discomfort repair thickness research, complicated test process, etc. question
Pending Publication Date: 2021-09-14
SICHUAN UNIV
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0004] Aiming at the above-mentioned deficiencies in the prior art, the invention provides a shear test device and an experimental method of a rock repair surface, and its purpose is to solve the problem of the shear strength of the repair rock mainly by direct shear tests and triaxial compression tests. research, but the test process is complicated, and it is not suitable for the research on the thickness of the repair
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0037] In order to make the above objects, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0038] Please refer to Figure 1-Figure 2 The present invention provides a shear test device for a rock repair surface, which includes a fixed block 3 provided with a cornerstone groove 8, a rock sample 1 installed in the cornerstone groove 8, and a space between the side of the cornerstone groove 8 and the side of the rock sample 1, respectively. A...
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
Login to View More Abstract
The invention provides a shear test device for a rock repair surface. The shear test device comprises a fixed block provided with a footstone groove, a rock sample installed in the footstone groove, a rubber pad arranged between the side face of the footstone groove and the side face of the rock sample, an injector, a pressure device used for providing positive pressure for the rock sample and a data collection device connected with the pressure device; and a U-shaped groove of which the top and the two sides are through is formed in the rubber pad, and a supporter for supporting a rock sample is placed in the footstone groove. The footstone groove formed in the fixing block, the U-shaped groove formed in the rubber pad and the injector are used for repairing a rock sample; the pressure device and the data collection device are used for detecting the effect of the repaired rock sample; and the larger the positive pressure for damaging the rock sample is, the firmer the rock sample is repaired, namely, the strength of the repaired surface is high. Compared with existing direct shear test and triaxial compression test, the device is simple in structure and can also be used for researching the rock sample repairing effect.
Description
technical field [0001] The invention relates to the technical field of rock repair, in particular to a shear test device and an experiment method for a rock repair surface. Background technique [0002] During the construction or service of underground engineering, due to factors such as the strength of the rock itself, the geological environment, etc., the surrounding rock will inevitably be damaged to varying degrees, resulting in a reduction in the safety of the project. The use of grouting to repair broken surrounding rock is a common measure, but the quantitative evaluation of the repair effect is limited at present, especially the single test method and the complex test process, especially the evaluation of the shear effect of different repair thickness of the rock is more Rarely. [0003] At present, there are mainly direct shear test and triaxial compression test to study the shear strength of repaired rock, but the test process is complicated and it is not suitable...
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
Login to View More IPC IPC(8): G01N3/08G01N3/24G01N3/02
CPCG01N3/08G01N3/24G01N3/02G01N2203/0019G01N2203/0025G01N2203/006G01N2203/0682G01N2203/0676
Inventor 周亚明张建海汪贤良钱立刘桂泽姚添智张国燕王振宁
Owner SICHUAN UNIV