CN115046867A - Indoor shearing device and method for degraded broken rock mass structural plane under complex condition - Google Patents
Indoor shearing device and method for degraded broken rock mass structural plane under complex condition Download PDFInfo
- Publication number
- CN115046867A CN115046867A CN202210753327.0A CN202210753327A CN115046867A CN 115046867 A CN115046867 A CN 115046867A CN 202210753327 A CN202210753327 A CN 202210753327A CN 115046867 A CN115046867 A CN 115046867A
- Authority
- CN
- China
- Prior art keywords
- shearing
- box
- shear
- hydraulic cylinders
- indoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010008 shearing Methods 0.000 title claims abstract description 124
- 239000011435 rock Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001154 acute effect Effects 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 238000013519 translation Methods 0.000 claims description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000006866 deterioration Effects 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/26—Investigating twisting or coiling properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides an indoor shearing device and method for a degraded broken rock mass structural plane under a complex condition. Through rotating the connecting ring, the push rod is parallel to the central axis of the hydraulic cylinder or forms an acute angle with the central axis of the hydraulic cylinder, so that the connecting ring can be pushed to translate or twist when the hydraulic cylinder acts, the lower shearing box can directly or torsionally shear the sample, and the mechanical state borne by the sample under the actual working condition can be further simulated, so that the experimental data are closer to the state of the rock under the real condition.
Description
Technical Field
The invention relates to rock mass structural plane shearing, in particular to an indoor shearing device and method for a deteriorated and broken rock mass structural plane under a complex condition.
Background
The construction of the three gorges project plays a great role in promoting the economic development of Yangtze river basin and even nationwide, however, different types of dangerous rock slopes are bred by unique landforms around the three gorges reservoir area under the combined influence of natural and human engineering activities, wherein the dangerous rock slopes containing broken rock mass structural planes mainly comprising slippage type destruction are included. Under the corrosion of weak alkaline reservoir water and acid rain environment, the structural surface of the rock is easy to deteriorate, so that dangerous rocks generate pressure shear or torsional shear sliding damage along a broken zone (particularly, when dangerous rocks on the upper part of the structural surface of the dangerous rock slope generate sliding damage, the dangerous rocks do not simply move downwards in actual conditions, but do torsion and downward sliding along the structural surface, which depends on the properties of rocks inside the structural surface of the broken rocks and the properties of the dangerous rocks on the upper part), and great threat is caused to the adjacent navigation channel. Based on the method, the research on the shear mechanical properties of the rock mass containing the fractured zone under the complex conditions is significant for the stability evaluation of the bank landslide.
The publication number is CN105784507B provides a dry and wet circulation direct shear apparatus of rock mass structural plane, and this prior art can carry out the direct shear to the rock mass, and the publication number is CN106370528A provides portable rock mass structural plane direct shear tester, and this prior art is also to carrying out the direct shear to the rock mass. The prior art only directly shears the rock mass, but also accompanies torsion under the actual environment of the rock mass, so the prior art can not perform torsional shear test on the rock mass, and can not simulate the true stress state of the rock mass.
Disclosure of Invention
The invention aims to provide an indoor shearing device and an indoor shearing method for a degraded and broken rock mass structural plane under complex conditions, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an indoor shearing mechanism of broken rock mass structural plane of deterioration under complicated condition, includes support, lower shear box, goes up shear box, flexible sealing ring, shearing subassembly and normal direction pressurization subassembly, lower shear box movable mounting is on the support, goes up shear box and support fixed connection and docks with lower shear box, and lower shear box is equipped with flexible sealing ring with the kneck of last shear box, normal direction pressurization subassembly is located upper shear box top, wherein:
the shearing assembly comprises a hydraulic cylinder, a connecting ring, a sliding frame and a push rod, the hydraulic cylinder is arranged on two sides of the lower shearing box, the sliding frame is installed at the power output end of the hydraulic cylinder in a matched mode, a sliding pair is formed in the direction of the central axis of the hydraulic cylinder by the sliding frame, the connecting ring is rotatably installed on the lower shearing box, the sliding frame is hinged to the push rod, the other end of the push rod is hinged to the connecting ring, limiting parts are arranged on the connecting ring and the sliding frame, and the limiting parts are used for limiting the rotation of the connecting ring and the translation of the sliding frame.
Preferably, the shearing device further comprises a torsional shear assembly, wherein the torsional shear assembly is capable of driving the lower shear box to twist during translation of the lower shear box in use.
Preferably, the torsional shear assembly comprises a friction ring and a friction plate, the friction ring is arranged on the outer circular surface of the lower shear box, the friction plate is arranged on the side surface of the friction ring, and the friction plate can be far away from or close to the friction ring and can be in frictional contact with the friction ring when the friction plate is close to the friction ring.
Preferably, the limiting component comprises a limiting bolt I arranged in a threaded hole in the connecting ring and a limiting bolt II arranged in a threaded hole in the sliding frame, wherein the end part of the limiting bolt I is in contact with the lower shearing box, and the end part of the limiting bolt II is in contact with the hydraulic cylinder.
Preferably, the bottom of the lower shearing box is provided with a bottom plate, and a steel ball is arranged on the contact surface of the bottom plate and the support.
An indoor shearing method for a structural plane of a deteriorated and crushed rock body under a complex condition comprises the following steps:
s1, according to the actual geological characteristics of a field crushing zone, because the size of particles in the crushing zone is large and sampling is extremely difficult, window measurement photographing is carried out on different parts of the crushing zone, five kinds of particles with different particle sizes are determined to be reduced in size, and the particle size of original rock particles of an indoor direct shear test is determined;
s2, determining the PH value of the water environment according to the detection result of the on-site water sample, and preparing a water sample with a corresponding PH value;
s3, matching original rocks with different particle sizes according to the determined final grading backbone curve of the crushing zone, and performing soaking corrosion on dilute hydrochloric acid (acidity) and sodium bicarbonate solution (alkalinity) according to the target water soaking time to simulate the corrosion degradation condition of the crushing zone by acid (alkalinity) reservoir water;
and S4, placing the corroded rock particles in the broken zone and the rock samples on the upper portion and the lower portion of the structural surface into a lower shearing box and an upper shearing box, filling water environments with different pH values into the lower shearing box and the upper shearing box, and carrying out a shearing test through a shearing assembly or carrying out a shearing test by matching the shearing assembly with a torsional shearing assembly.
Preferably, the S4 is that the connecting ring is rotated to make the push rod parallel to the central axis of the hydraulic cylinders, one of the two hydraulic cylinders pushes the push rod, and the other one pulls the push rod, and at this time the lower shear box realizes direct shearing, when torsional shearing is required, the connecting ring is rotated to make the included angle between the push rod and the central axis of the hydraulic cylinders be an acute angle, at this time both the two hydraulic cylinders push the push rod hinged thereto, and at this time the lower shear box realizes torsional shearing, when the direct shearing and torsional shearing are required to be performed synchronously, the connecting ring is rotated to make the push rod parallel to the central axis of the hydraulic cylinders, and the friction plate is moved to make the friction plate contact with the friction ring, then one of the two hydraulic cylinders pushes the push rod, and the other pulls the push rod, at this time the lower shear box realizes translational direct shearing, so that the friction plate and the friction ring move relatively to realize torsion of the lower shear box, finally, the direct shearing and the torsional shearing are synchronously carried out.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the connecting ring is rotated to enable the push rod to be parallel to the central axis of the hydraulic cylinder or to form an acute angle with the central axis of the hydraulic cylinder, so that the connecting ring is pushed to translate or twist when the hydraulic cylinder acts, the lower shearing box performs direct shearing or torsional shearing on the sample, the mechanical state borne by the sample under the actual working condition is further simulated, and the experimental data is closer to the state of the rock under the real condition.
Drawings
FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a schematic view of portion A of FIG. 1;
FIG. 4 is a schematic view of portion B of FIG. 2;
fig. 5 is a three-dimensional schematic view of the components of the shear assembly of the present invention as it twists the lower shear box.
In the figure: the shearing device comprises a support 1, a lower shearing box 2, an upper shearing box 3, a flexible sealing ring 4, a shearing assembly 5, a normal pressurizing assembly 6, a torsional shearing assembly 7, a bottom plate 21, a hydraulic cylinder 51, a connecting ring 52, a sliding frame 53, a push rod 54, a friction ring 71, a friction plate 72, a limiting bolt 521, a limiting bolt 531 and a limiting bolt II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 to 5, the present invention provides a technical solution:
the utility model provides a broken rock mass structural plane indoor shearing mechanism degrades under complicated condition, includes support 1, lower shear box 2, goes up shear box 3, flexible sealing ring 4, shearing subassembly 5 and normal pressurization subassembly 6, wherein:
the bottom of the lower shearing box 2 is provided with a bottom plate 21, wherein a steel ball is arranged on the contact surface of the bottom plate 21 and the support 1, the lower shearing box 2 can move on the support 1, the upper shearing box 3 is fixedly connected with the support 1 and is butted with the lower shearing box 2, the lower shearing box 2 is communicated with the upper shearing box 3, a flexible sealing ring 4 is arranged at the interface of the lower shearing box 2 and the upper shearing box 3, the flexible sealing effect is realized, the liquid is prevented from leaking, the normal pressurizing assembly 6 is positioned above the upper shearing box 3, and then the normal pressurizing is carried out on a sample in the shearing box, wherein the technical scheme and the working principle of the normal pressurizing assembly 6 are conventional settings of technicians in the field, and the specific structure and principle of the normal pressurizing assembly 6 are not repeated;
the shearing assembly 5 comprises a hydraulic cylinder 51, a connecting ring 52, a sliding frame 53 and a push rod 54, two hydraulic cylinders 51 are arranged at two sides of the lower shearing box 2, wherein, two hydraulic cylinders 51 are respectively connected with the bracket 1, the power output ends of the hydraulic cylinders 51 point to the lower shearing box 2, the power output ends of the hydraulic cylinders 51 are provided with a sliding bracket 53 in a matching way, wherein, the sliding frame 53 forms a moving pair in the central axis direction of the hydraulic cylinder 51, the connecting ring 52 is rotatably arranged on the lower shearing box 2, the sliding frame 53 is articulated with a push rod 54, wherein the other end of the push rod 54 is hinged with the connecting ring 52, the connecting ring 52 and the sliding frame 53 are both provided with a limiting component which is used for limiting the rotation of the connecting ring 52 and the translation of the sliding frame 53, further, the positions of the connecting ring 52 and the sliding frame 53 are locked, so that the connecting ring 52 does not rotate and the sliding frame 53 does not move relative to the power output end of the hydraulic cylinder 51 when the hydraulic cylinder 51 operates.
As a preferred embodiment, the shearing apparatus further comprises a twist shear assembly 7, wherein the twist shear assembly 7 is capable of driving the lower shear box 2 to twist during translation of the lower shear box 2 in use. That is, the torsional shear module 7 is a component for converting a linear motion into a torsional motion.
As a preferred embodiment, the torsional shear assembly 7 includes a friction ring 71 and a friction plate 72, the friction ring 71 is disposed on the outer circumferential surface of the lower shear box 2, and the friction plate 72 is located on the side of the friction ring 71, wherein the friction plate 72 can be far away from or close to the friction ring 71, and can be in frictional contact with the friction ring 71 when the friction plate 72 is close to the friction ring 71. The motion scheme disclosed in this embodiment is friction transmission, but is not limited to this, and may also be a rack and pinion transmission pair.
In a preferred embodiment, the friction plate 72 is adjusted in position by providing a guide rod and a threaded rod on the side of the friction plate 72, wherein the threaded rod is rotatably mounted on the side of the friction plate 72, the guide rod is engaged with the upright on the side of the bracket 1, the friction plate 72 forms a moving pair on the side of the bracket 1, and the threaded rod is engaged with the threaded upright on the side of the bracket 1, thereby achieving the effects of adjusting the position of the friction plate 72 and locking the position.
As a preferred embodiment, the limiting component comprises a limiting bolt I521 arranged in a threaded hole in the connecting ring 52 and a limiting bolt II 531 arranged in a threaded hole in the sliding frame 53, wherein the end part of the limiting bolt I521 is contacted with the lower shearing box 2, and the end part of the limiting bolt II 531 is contacted with the hydraulic cylinder 51. The limiting mode disclosed in this embodiment is bolt limiting, but of course the limiting mode is not limited thereto, and the limiting mode may be changed according to actual requirements, such as friction limiting or self-locking limiting.
An indoor shearing method for a structural plane of a deteriorated and crushed rock body under a complex condition comprises the following steps:
s1, according to the actual geological characteristics of a field crushing zone, because the size of particles in the crushing zone is large and sampling is extremely difficult, window measurement photographing is carried out on different parts of the crushing zone, five kinds of particles with different particle sizes are determined to be reduced in size, and the particle size of original rock particles of an indoor direct shear test is determined;
s2, determining the PH value of the water environment according to the detection result of the on-site water sample, and preparing a water sample with a corresponding PH value;
s3, matching original rocks with different particle sizes according to the determined final grading backbone curve of the crushing zone, and performing soaking corrosion on dilute hydrochloric acid (acidity) and sodium bicarbonate solution (alkalinity) according to the target water soaking time to simulate the corrosion degradation condition of the crushing zone by acid (alkalinity) reservoir water;
s4, placing the corroded rock particles with the broken zones and the rock samples on the upper portion and the lower portion of the structural surface into the lower shearing box 2 and the upper shearing box 3, filling water environments with different pH values into the lower shearing box 2 and the upper shearing box 3, and carrying out a shearing test through the shearing assembly 5 or carrying out a shearing test through the matching of the shearing assembly 5 and the torsional shearing assembly 7
S4 is specifically divided into direct shearing, torsional shearing and synchronous direct shearing and torsional shearing;
the direct shearing process includes that the connecting ring 52 is rotated to enable the push rod 54 to be parallel to the central axis of the hydraulic cylinders 51, specifically, as shown in fig. 1, one hydraulic cylinder 51 in the two hydraulic cylinders 51 pushes the push rod 54, and the other hydraulic cylinder pulls the push rod 54, so that the power output ends of the two hydraulic cylinders 51 move towards the same mode, and the lower shearing box 2 linearly translates to achieve direct shearing;
when torsional shearing is needed, the connecting ring 52 is rotated, so that an included angle between the push rod 54 and the central axis of the hydraulic cylinders 51 is an acute angle, specifically as shown in fig. 5, at this time, the two hydraulic cylinders 51 both push the push rod 54 hinged thereto, so that the power output ends of the two hydraulic cylinders 51 move in opposite directions, and further the lower shearing box 2 is pushed to twist, so that the lower shearing box 2 realizes torsional shearing on the sample;
when the direct shearing and the torsional shearing are required to be synchronously performed, the connecting ring 52 is rotated, the push rod 54 is parallel to the central axis of the hydraulic cylinders 51, the friction plate 72 is moved, the friction plate 72 is in contact with the friction ring 71, then one of the hydraulic cylinders 51 in the two hydraulic cylinders 51 pushes the push rod 54, the other one pulls the push rod 54, the process is specifically the same as that of the single direct shearing, at the moment, the lower shearing box 2 realizes translational direct shearing, the friction plate 72 and the friction ring 71 move relatively, the lower shearing box 2 is further twisted, and finally the direct shearing and the torsional shearing are synchronously performed.
Wherein need unscrew spacing bolt I521 and spacing bolt II 531 when rotating go-between 52, rotate the adjustment that the go-between 52 can drive the sliding frame 53 position then, and then avoid the motion to interfere, and screw up spacing bolt I521 and spacing bolt II 531 again after the adjustment is accomplished.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an indoor shearing mechanism of broken rock mass structural plane of deterioration under complex condition, includes support (1), lower shear box (2), goes up shear box (3), flexible sealing ring (4), shear assembly (5) and normal direction pressure components (6), lower shear box (2) movable mounting is on support (1), goes up shear box (3) and support (1) fixed connection and docks with lower shear box (2), and lower shear box (2) is equipped with flexible sealing ring (4) with the kneck of last shear box (3), normal direction pressure components (6) are located and cut box (3) top, its characterized in that:
the shearing assembly (5) comprises hydraulic cylinders (51), connecting rings (52), sliding frames (53) and push rods (54), the two hydraulic cylinders (51) are arranged on two sides of the lower shearing box (2), the sliding frames (53) are installed at the power output ends of the hydraulic cylinders (51) in a matched mode, sliding pairs are formed on the sliding frames (53) in the direction of the central axis of the hydraulic cylinders (51), the connecting rings (52) are rotatably installed on the lower shearing box (2), the push rods (54) are hinged to the sliding frames (53), the other ends of the push rods (54) are hinged to the connecting rings (52), limiting parts are arranged on the connecting rings (52) and the sliding frames (53), and the limiting parts are used for limiting the rotation of the connecting rings (52) and the translation of the sliding frames (53).
2. The indoor shearing device for the degraded and broken rock mass structural plane under the complicated condition as claimed in claim 1, is characterized in that: the shearing device further comprises a torsional shear assembly (7), wherein the torsional shear assembly (7) can drive the lower shear box (2) to twist in the translation process of the lower shear box (2) when in use.
3. The indoor shearing device for the degraded fractured rock mass structural plane under the complex condition as recited in claim 2, wherein: the torsional shear assembly (7) comprises a friction ring (71) and a friction plate (72), wherein the friction ring (71) is arranged on the outer circular surface of the lower shear box (2), the friction plate (72) is positioned on the side surface of the friction ring (71), the friction plate (72) can be far away from or close to the friction ring (71), and when the friction plate (72) is close to the friction ring (71), the friction plate can be in friction contact with the friction ring (71).
4. The indoor shearing device for the degraded and broken rock mass structural plane under the complicated condition as claimed in claim 1, is characterized in that: the limiting component comprises a limiting bolt I (521) arranged in a threaded hole in the connecting ring (52) and a limiting bolt II (531) arranged in a threaded hole in the sliding frame (53), wherein the end part of the limiting bolt I (521) is in contact with the lower shearing box (2), and the end part of the limiting bolt II (531) is in contact with the hydraulic cylinder (51).
5. The indoor shearing device for the degraded fractured rock mass structural plane under the complex condition as recited in claim 1, wherein: the bottom of the lower shearing box (2) is provided with a bottom plate (21), wherein the contact surface of the bottom plate (21) and the support (1) is provided with steel balls.
6. An indoor shearing method for a structural plane of a deteriorated and crushed rock body under a complex condition is characterized by comprising the following steps:
s1, according to the actual geological characteristics of a field crushing zone, because the size of particles in the crushing zone is large and sampling is extremely difficult, window measurement photographing is carried out on different parts of the crushing zone, five kinds of particles with different particle sizes are determined to be reduced in size, and the particle size of original rock particles of an indoor direct shear test is determined;
s2, determining the PH value of the water environment according to the detection result of the on-site water sample, and preparing a water sample with a corresponding PH value;
s3, proportioning original rocks with different grain sizes according to the determined final grading backbone curve of the crushing zone, soaking and corroding the original rocks with dilute hydrochloric acid (acidic) and sodium bicarbonate solution (alkaline) according to the target soaking time, and simulating the corrosion degradation condition of the crushing zone due to the acid (alkaline) reservoir water;
s4, placing the corroded rock particles with the broken zones and the rock samples on the upper portion and the lower portion of the structural surface into the lower shearing box (2) and the upper shearing box (3), filling water environments with different pH values into the lower shearing box (2) and the upper shearing box (3), and carrying out a shearing test through the shearing assembly (5) or carrying out a shearing test through the matching of the shearing assembly (5) and the torsional shearing assembly (7).
7. The indoor shearing method for the degraded fractured rock mass structural plane under the complicated condition as claimed in claim 6, wherein the indoor shearing method comprises the following steps: s4 specifically includes that the connecting ring (52) is rotated to enable the push rod (54) to be parallel to the central axis of the hydraulic cylinders (51), one hydraulic cylinder (51) in the two hydraulic cylinders (51) pushes the push rod (54), the other hydraulic cylinder pulls the push rod (54), the lower shearing box (2) achieves direct shearing, when torsional shearing is needed, the connecting ring (52) is rotated to enable an included angle between the push rod (54) and the central axis of the hydraulic cylinders (51) to be an acute angle, the two hydraulic cylinders (51) both push the push rod (54) hinged with the hydraulic cylinders, the lower shearing box (2) achieves torsional shearing, when the direct shearing and the torsional shearing are needed to be conducted synchronously, the connecting ring (52) is rotated to enable the push rod (54) to be parallel to the central axis of the hydraulic cylinders (51), the friction plate (72) is moved to be in contact with the friction ring (71), and then one hydraulic cylinder (51) in the two hydraulic cylinders (51) pushes the push rod (54), and the other one pulls the push rod (54), the lower shearing box (2) realizes translation direct shearing, and then the friction plate (72) and the friction ring (71) perform relative motion, so that the lower shearing box (2) realizes torsion, and finally, the direct shearing and the torsional shearing are performed synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753327.0A CN115046867A (en) | 2022-06-28 | 2022-06-28 | Indoor shearing device and method for degraded broken rock mass structural plane under complex condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753327.0A CN115046867A (en) | 2022-06-28 | 2022-06-28 | Indoor shearing device and method for degraded broken rock mass structural plane under complex condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115046867A true CN115046867A (en) | 2022-09-13 |
Family
ID=83165839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210753327.0A Pending CN115046867A (en) | 2022-06-28 | 2022-06-28 | Indoor shearing device and method for degraded broken rock mass structural plane under complex condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115046867A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198301A (en) * | 2014-09-16 | 2014-12-10 | 广西科技大学 | Direct shear test data acquisition instrument for big visual model of reinforced earth |
| CN107607413A (en) * | 2017-10-13 | 2018-01-19 | 清华大学 | A kind of rock shearing experimental rig |
| CN108444816A (en) * | 2018-05-04 | 2018-08-24 | 中国电建集团华东勘测设计研究院有限公司 | A kind of rock mass discontinuity circulation shear tester and test method |
| CN111122280A (en) * | 2019-12-16 | 2020-05-08 | 重庆大学 | Large direct shear test sample preparation device for reinforcing coarse-grained soil by microorganisms and using method |
| CN111879604A (en) * | 2020-09-10 | 2020-11-03 | 贵州省质安交通工程监控检测中心有限责任公司 | Anchor structure surface anchoring performance tester |
| US20210123841A1 (en) * | 2019-10-25 | 2021-04-29 | Wuhan University Of Science And Technology | Soft rock shear rheological test system with simulation of coupled rainfall seepage and blasting vibrations |
-
2022
- 2022-06-28 CN CN202210753327.0A patent/CN115046867A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198301A (en) * | 2014-09-16 | 2014-12-10 | 广西科技大学 | Direct shear test data acquisition instrument for big visual model of reinforced earth |
| CN107607413A (en) * | 2017-10-13 | 2018-01-19 | 清华大学 | A kind of rock shearing experimental rig |
| CN108444816A (en) * | 2018-05-04 | 2018-08-24 | 中国电建集团华东勘测设计研究院有限公司 | A kind of rock mass discontinuity circulation shear tester and test method |
| US20210123841A1 (en) * | 2019-10-25 | 2021-04-29 | Wuhan University Of Science And Technology | Soft rock shear rheological test system with simulation of coupled rainfall seepage and blasting vibrations |
| CN111122280A (en) * | 2019-12-16 | 2020-05-08 | 重庆大学 | Large direct shear test sample preparation device for reinforcing coarse-grained soil by microorganisms and using method |
| CN111879604A (en) * | 2020-09-10 | 2020-11-03 | 贵州省质安交通工程监控检测中心有限责任公司 | Anchor structure surface anchoring performance tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109324121B (en) | Gate detection device and detection method based on phased array ultrasonic flaw detector | |
| CN108709931B (en) | Indoor test system and method for stress wave propagation rule in deep jointed rock mass | |
| CN106525577B (en) | Test the device and method of material dynamic mechanical performance under stretching/shearing Combined Loading | |
| CN102095649A (en) | Direct shear testing device of saturated rock soil samples | |
| CN108387473B (en) | Wear test and prediction method of tunneling equipment cutter in soft soil environment | |
| CN102156077B (en) | Reciprocating bending corrosion fatigue testing machine | |
| CN210863005U (en) | Spring pressure value test machine that protecting effect is good | |
| CN111811946A (en) | Rock stress-chemical coupling creep test device based on real water environment and test method thereof | |
| CN205910055U (en) | A true triaxial test anchor clamps that is used for energetic disturbance type rock template explosion to plan | |
| CN105181306A (en) | Phase-to-phase spacer gallop bearing characteristic test system and test method | |
| CN115046867A (en) | Indoor shearing device and method for degraded broken rock mass structural plane under complex condition | |
| CN109870360A (en) | A kind of crankshaft reliability test | |
| CN114383949A (en) | Method for testing bearing capacity and energy dissipation rule of rock mass with cavity | |
| CN112881188A (en) | Laboratory three-dimensional dynamic rock breaking test system and method | |
| CN102052885A (en) | Device for measuring wall thickness of pipe | |
| CN103743766B (en) | The method that gamma ray nondestructive inspection cable rope hidden section of pick-up unit and realization thereof detect | |
| Wang et al. | Breakage behaviour of sand particles in point-load compression | |
| CN202229994U (en) | Electric vane shear tester | |
| CN202648855U (en) | Dynamic cable force measuring device | |
| CN204008301U (en) | A kind of testing table of testing anchor pole axial load and axial deformation | |
| CN109238844B (en) | Tunnel lining structure crack treatment experimental method | |
| CN110220782B (en) | Model ice mechanical property testing device | |
| CN204314159U (en) | Deep hole rock/upper in-situ test robot | |
| CN202281754U (en) | Loading device for in-situ testing of cement-based material in X-ray computed tomography | |
| CN206563685U (en) | Concrete sample shearing force Preliminary Determination device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |