CN214427165U - Rock joint crack compression ring shear seepage coupling test box - Google Patents
Rock joint crack compression ring shear seepage coupling test box Download PDFInfo
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- CN214427165U CN214427165U CN202120033618.3U CN202120033618U CN214427165U CN 214427165 U CN214427165 U CN 214427165U CN 202120033618 U CN202120033618 U CN 202120033618U CN 214427165 U CN214427165 U CN 214427165U
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Abstract
The utility model belongs to the technical field of mechanical test, especially, relate to a seepage flow coupling test box is cut to rock joint crack compression ring. The first box body of this test box and second box body, first box body includes first plate body and first barrel, first barrel sets up on the side of first plate body, the outside end of first barrel is provided with first recess, first recess is cyclic annular, the second box body includes second plate body and second barrel, second plate body and first plate body set up relatively, the second barrel sets up on the side of second plate body towards first plate body, second barrel and first barrel butt joint, the outside end of second barrel is provided with the second recess, the second recess is cyclic annular, second recess and first recess butt joint form the sample mounting groove. The utility model discloses can solve among the prior art shear test difficult prevention of seepage, the experimental shearing distance of shearing seepage is little, and the infiltration water pressure that can realize is on the low side, leads to the technical problem of rock joint (long-term) mechanics, osmotic characteristic under the unable high seepage water pressure of effective simulation.
Description
Technical Field
The utility model belongs to the technical field of mechanical test, especially, relate to a seepage flow coupling test box is cut to rock joint crack compression ring.
Background
In recent years, with the construction of large deep underground rock engineering, such as working faces in deep coal mining production, rock engineering fractures such as deep underground caverns (such as a trawl hydropower station auxiliary hole and a diversion tunnel), large reservoir dams (such as a longsho hydropower station dam foundation), deep nuclear waste storage engineering and the like in hydraulic and hydroelectric engineering often have high osmotic pressure, high flow rate seepage caused by high hydraulic gradient and rock stability problems. The shear-seepage coupling characteristic of deep rock mass joints under high seepage water pressure becomes a key scientific problem which needs to be solved urgently in the stability analysis of large-scale deep underground engineering. At present, research results and engineering experience in the aspect are few, so that corresponding test equipment is developed, and research on rock joint (long-term) mechanics and permeability characteristics under the condition of high osmotic water pressure is necessary.
At present, the research on the rock joint shear seepage is mainly focused on a unidirectional seepage test and a radiation seepage test in a direct shear test.
The unidirectional seepage test refers to a flow of water parallel to the shear direction from one end of the joint to the other. The unidirectional seepage shear box is sealed by the rubber sheets on two sides perpendicular to the shearing direction and on two sides parallel to the shearing direction, so that the water flow can be ensured to flow along the shearing direction without leaking along the two sides. Because the restriction of shearing the box seal, the biggest shear displacement of test system is restricted, only can realize the shearing distance of several millimeters, on the other hand, for guaranteeing seepage flow shearing box's leakproofness, the infiltration water pressure that can realize in the test process is lower, and the measuring range of test system discharge is less, can not satisfy the accurate measurement of rock joint at whole shear test process flow, especially under to high infiltration water pressure and low normal stress condition, the seepage flow through rock joint can reach tens of liters per minute from 0 gradually, need solve the flow measurement problem on a large scale in whole test process urgently.
The radiation seepage test refers to that water is injected from the center of a joint surface and flows to the periphery, and in the direct shear test, a certain deviation exists between the mode and the real situation.
Because the sealing means is limited, the equipment specially used for carrying out the rock joint shearing-seepage coupling test at home and abroad is relatively short, so the development of the equipment is urgent.
SUMMERY OF THE UTILITY MODEL
Problem to above-mentioned prior art exists, the utility model provides a seepage coupling test box is cut to rock joint crack compression ring to solve among the prior art shear test difficult prevention of seepage, the experimental shearing distance of shearing seepage is little, and the infiltration water pressure that can realize is on the low side, leads to the technical problem of rock joint (long-term) mechanics, infiltration characteristic under the unable high seepage water pressure of effective simulation.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a rock joint fracture compression ring shear seepage coupling test cartridge, the test cartridge comprising:
the first box body comprises a first plate body and a first barrel, the first barrel is arranged on the side face of the first plate body, a first groove is formed in the outer side end of the first barrel, and the first groove is annular;
the second box body, the second box body includes second plate body and second barrel, the second plate body with first plate body sets up relatively, the second barrel sets up the second plate body orientation on the side of first plate body, the second barrel with first barrel butt joint, the outside end of second barrel is provided with the second recess, the second recess is cyclic annular, the second recess with first recess butt joint forms the sample mounting groove.
The utility model discloses an embodiment does: a first clamping ring is coaxially arranged at the outer side end of the first barrel and is positioned at the radial inner side of the first groove;
the outer end of the inner side of the second cylinder is sleeved on the first clamping ring;
a third sealing groove is formed in the outer peripheral surface of the first clamping ring, a third sealing ring is arranged in the third sealing groove, and the outer end of the inner side of the second cylinder is covered on the third sealing ring;
further, the test box further comprises a sealing ring, and the sealing ring is sleeved outside the butt joint of the first cylinder and the second cylinder;
a first sealing groove is formed in the outer peripheral surface of the first cylinder, and a first sealing ring is arranged in the first sealing groove;
a second sealing groove is formed in the outer peripheral surface of the second cylinder, and a second sealing ring is arranged in the second sealing groove;
the sealing ring is sleeved on the first sealing ring and the second sealing ring.
Further, a seepage gap is formed between the second cylinder and the first cylinder;
a first seepage inlet and a first seepage outlet are formed in the first plate body, a first seepage channel and a second seepage channel are formed in the first cylinder body, two ends of the first seepage channel are respectively communicated with the first seepage inlet and the seepage gap, and two ends of the second seepage channel are respectively communicated with the first seepage outlet and the seepage gap; first seepage flow passageway with second seepage flow passageway all follows the axial setting of sample mounting groove, first seepage flow passageway with second seepage flow passageway all sets up the both sides of sample mounting groove.
The utility model discloses another embodiment does: a second clamping ring and a third clamping ring are coaxially and sequentially arranged at the outer side end of the first barrel, the second clamping ring is arranged at the radial inner side of the first groove, and the radius of the third clamping ring is smaller than that of the second clamping ring;
the inboard cooperation suit of second barrel is in the second joint ring and on the third joint ring.
Furthermore, a communication groove and two opposite buffer grooves are arranged on the outer peripheral surface of the third clamping ring, the two buffer grooves and the communication groove are annular, and the communication groove is positioned between the two buffer grooves;
a second seepage inlet and a second seepage outlet are formed in the first plate body, a second seepage channel is formed in the first cylinder, a third seepage channel is formed in the second cylinder, two ends of the second seepage channel are respectively communicated with the second seepage inlet and the communication groove, and two ends of the third seepage channel are respectively communicated with the sample mounting groove and the communication groove;
and a fourth seepage channel is arranged on the first plate body, and two ends of the fourth seepage channel are respectively communicated with the sample mounting groove and the second seepage outlet.
Further, a fourth clamping ring is coaxially arranged at the outer side end of the first cylinder, and the fourth clamping ring is arranged at the radial outer side of the first groove;
the outer side end of the second plate body is provided with a butt joint bulge, the second groove is formed in the outer side end of the butt joint bulge, and the butt joint bulge is inserted into the fourth clamping ring and between the second clamping rings in a matched mode.
Furthermore, the butt joint bulge and the outer end of the first barrel are provided with gaps, two sealing gaskets which are in contact with each other are arranged between the butt joint bulge and the outer end of the first barrel, and the two sealing gaskets are arranged between the fourth clamping ring and the second clamping ring.
Preferably, a plurality of rows of positioning pieces are arranged on the inner side wall of the sample mounting groove.
Preferably, first plate body and all be provided with a plurality of injecting glue holes on the second plate body, every the injecting glue hole all through the injecting glue passageway that corresponds with the tip intercommunication of the same one end of sample mounting groove, the injecting glue passageway is followed the axial setting of sample mounting groove.
The utility model has the advantages that:
the utility model provides a rock joint crack compression ring shear seepage coupling test box, because this test box includes first box body and second box body, first box body includes first plate body and first barrel, first barrel sets up on the side of first plate body, the outside end of first barrel is provided with first recess, first recess is the ring-type, second box body includes second plate body and second barrel, second plate body and first plate body set up relatively, the second barrel sets up on the side of second plate body towards first plate body, second barrel and first barrel butt joint, the outside end of second barrel is provided with the second recess, the second recess is the ring-type, second recess and first recess butt joint form the sample mounting groove, namely the utility model discloses a sample mounting groove for installing the sample is the annular, is an annular shear seepage, can avoid traditional direct seepage mode, the seepage sealing does not influence the shearing distance, so that the technical problems that in the prior art, the shearing distance is small in the shearing test, the seepage water pressure is low, and the mechanical and seepage characteristics of the rock joint (long-term) under the high seepage water pressure cannot be effectively simulated due to the fact that the shearing distance is small in the shearing seepage test and the seepage water pressure is low are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rock joint fracture compression ring shear seepage coupling test box according to this embodiment;
FIG. 2 is a schematic cross-sectional view of the first embodiment;
FIG. 3 is a schematic cross-sectional view of a second embodiment of the present invention;
FIG. 4 is a schematic structural view of the first cylinder in FIG. 3;
FIG. 5 is a schematic structural view of the second cylinder in FIG. 4;
fig. 6 is a schematic view of a configuration of an indenter for mounting a test cartridge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a structural schematic diagram of a rock joint crack compression ring shear seepage coupling test box of this embodiment, combine fig. 1, the test box of this embodiment includes first box body and second box body, first box body includes first plate body and first barrel, first barrel sets up on the side of first plate body, the outside end of first barrel is provided with first recess, first recess is cyclic annular, and the second box body includes second plate body and second barrel, second plate body and first plate body set up relatively, the second barrel sets up on the side of second plate body orientation first plate body, second barrel and first barrel butt joint, the outside end of second barrel is provided with the second recess, the second recess is cyclic annular, second recess and first recess butt joint form the sample mounting groove.
The sample mounting groove that this embodiment is used for installing the sample is the annular promptly, is an annular shearing seepage flow, can avoid traditional direct seepage flow mode, makes the seepage flow sealed not influence the shearing distance to shear test is difficult for preventing seepage among the solution prior art, and shear seepage flow test shearing distance is little, and the infiltration water pressure that can realize is on the low side, leads to the technical problem that rock joint (long-term) mechanics, infiltration characteristic under the high seepage water pressure can't effectively be simulated.
The first embodiment is as follows:
fig. 2 is a schematic cross-sectional view of a first embodiment, with reference to fig. 2, in this embodiment, the first box body includes a first plate body 1 and a first barrel body 2, the first barrel body 2 is disposed on a side surface of the first plate body 1, a first groove is disposed at an outer side end of the first barrel body 2, the first groove is annular, the second box body includes a second plate body 3 and a second barrel body 4, the second plate body 3 and the first plate body 1 are disposed oppositely, the second barrel body 4 is disposed on a side surface of the second plate body 3 facing the first plate body 1, the second barrel body 4 is in butt joint with the first barrel body 2, a second groove is disposed at an outer side end of the second barrel body 4, the second groove is annular, and the second groove and the first groove are in butt joint to form a sample mounting groove 5.
Further, with reference to fig. 2, in this embodiment, the outer end of the first cylinder 2 is coaxially provided with a first snap ring 6, the first snap ring 6 is located at the radial inner side of the first groove, the outer end of the inner side of the second cylinder 4 is sleeved on the first snap ring 6, in order to realize the sealing between the second cylinder 4 and the first snap ring 6, in this embodiment, a third sealing groove 7 is provided on the outer circumferential surface of the first snap ring 6, a third sealing ring 8 is provided in the third sealing groove 7, and an outer end cover of the inner side of the second cylinder 4 is provided on the third sealing ring 8, so that the abutted inner sides of the first cylinder 2 and the second cylinder 4 are sealed to prevent inner side leakage.
In this embodiment, the number of the third seal grooves 7 may be set as required, and details thereof are not described in this embodiment.
With reference to fig. 2, the test cartridge in this embodiment further includes a sealing ring 9, and the sealing ring 9 is sleeved outside the joint of the first cylinder 2 and the second cylinder 4.
Further, with reference to fig. 2, in this embodiment, a first sealing groove 10 is disposed on the outer peripheral surface of the first cylinder 2, a first sealing ring 11 is disposed in the first sealing groove 10, a second sealing groove 12 is disposed on the outer peripheral surface of the second cylinder 4, a second sealing ring 13 is disposed in the second sealing groove 12, and the sealing ring 9 is sleeved on the first sealing ring 11 and the second sealing ring 13, so that the abutting outer sides of the first cylinder 2 and the second cylinder 4 are sealed to prevent outer side leakage.
Combine fig. 2, in this embodiment, all be provided with a plurality of injecting glue holes 14 on first plate body 1 and the second plate body 2, every injecting glue hole 14 all through the injecting glue passageway 15 that corresponds and the tip intercommunication of the same end of sample mounting groove 5, injecting glue passageway 15 along the axial setting of sample mounting groove 5, the accessible injects glue hole 14 like this and injects the colloid that is used for fixed sample into in sample mounting groove 5.
Preferably, in the present embodiment, the plurality of glue injection holes 14 on the first plate 1 and the second plate 2 are all disposed around the central axis of the sample mounting groove 5 at equal angular intervals, so that the glue is injected uniformly.
Referring to fig. 2, in this embodiment, a seepage gap is formed between the second cylinder 4 and the first cylinder 2, the first plate 1 is provided with a first seepage inlet 16 and a first seepage outlet 17, the first cylinder 2 is provided with a first seepage passage 18 and a second seepage passage 19, two ends of the first seepage passage 18 are respectively communicated with the first seepage inlet 16 and the seepage gap, and two ends of the second seepage passage 19 are respectively communicated with the first seepage outlet 17 and the seepage gap, so as to implement a seepage experiment of a sample.
Further, in this embodiment, the first seepage flow passage 18 and the second seepage flow passage 19 are both disposed along the axial direction of the sample mounting groove 5, and the first seepage flow passage 18 and the second seepage flow passage 19 are both disposed on both sides of the sample mounting groove 5.
It should be noted that, in this embodiment, a plurality of first seepage channels 18 and a plurality of second seepage channels 19 may be provided, which is not described in detail in this embodiment.
Example two:
fig. 3 is a schematic sectional view of a second embodiment of the present embodiment, and with reference to fig. 3, the rock joint fracture compression ring shear seepage coupling test kit of the present embodiment includes a first kit body and a second kit body, the first kit body includes a first plate body 1 and a first barrel body 2, the first barrel body 2 is disposed on a side surface of the first plate body 1, an outer side end of the first barrel body 2 is provided with a first groove, the first groove is annular, the second kit body includes a second plate body 3 and a second barrel body 4, the second plate body 3 and the first plate body 1 are disposed oppositely, the second barrel body 4 is disposed on a side surface of the second plate body 3 facing the first plate body 1, the second barrel body 4 is in butt joint with the first barrel body 2, an outer side end of the second barrel body 4 is provided with a second groove, the second groove is annular, and the second groove and the first groove are in butt joint to form a sample mounting groove 5.
Fig. 4 is a schematic structural diagram of the first cylinder in fig. 3, fig. 5 is a schematic structural diagram of the second cylinder in fig. 4, and with reference to fig. 3 to fig. 5, in this embodiment, the outer end of the first cylinder 2 is coaxially and sequentially provided with a second snap ring 20 and a third snap ring 21, the second snap ring 21 is disposed on the radial inner side of the first groove, the radius of the third snap ring 21 is smaller than the radius of the second snap ring 20, that is, the second snap ring 20 and the third snap ring 21 are in a step shape with gradually smaller diameters, and the inner side of the second cylinder 4 is fitted over the second snap ring 20 and the third snap ring 21, so that the sealing performance of the inner side of the sample mounting groove 5 can be improved.
With reference to fig. 3, in this embodiment, a communicating groove 31 and two opposite buffer grooves 22 are provided on the outer peripheral surface of the third snap ring 20, the two buffer grooves 22 and the communicating groove 31 are both annular, an O-shaped gasket 32 is correspondingly provided in the two buffer grooves 22, the communicating groove 31 is located between the two buffer grooves 22, the communicating groove 31 serves as a transfer chamber of the seepage passage, when a sample experiment is performed, the first box body and the second box body can be twisted, the two buffer grooves 22 are provided to buffer the twisting of the two box bodies, at least, the communicating groove 31 is deformed, the extrusion deformation is guided to the O-shaped gasket 32, the communicating groove 31 is ensured not to be deformed, and the stability of the osmotic water pressure is ensured.
Further, in this embodiment, the first plate 1 is provided with a second seepage inlet 23 and a second seepage outlet 24, the first cylinder 2 is provided with a second seepage channel 25, the second cylinder 4 is provided with a third seepage channel 26, two ends of the second seepage channel 25 are respectively communicated with the second seepage inlet 23 and the communication groove 31, two ends of the third seepage channel 26 are respectively communicated with the sample mounting groove 5 and the communication groove 31, the first plate 1 is further provided with a fourth seepage channel 27, and two ends of the fourth seepage channel 27 are respectively communicated with the sample mounting groove 5 and the second seepage outlet 24.
Further, with reference to fig. 3-5, in this embodiment, a fourth clamping ring 28 is coaxially disposed at an outer side end of the first cylinder 2, the fourth clamping ring 28 is disposed at a radial outer side of the first groove, a docking protrusion 29 is disposed at an outer side end of the second plate 3, the second groove is disposed at an outer side end of the docking protrusion 29, and the docking protrusion 29 is fittingly inserted between the fourth clamping ring 28 and the second clamping ring 20, so that the first cylinder 2 and the second cylinder 4 form a concave-convex ring groove squeezing seal similar to a red wine bottle stopper, and have a good sealing property.
Further, in the present embodiment, referring to fig. 3-5, the abutting protrusion 29 and the outer end of the first barrel 2 have a gap, two contact sealing gaskets 30 are disposed between the abutting protrusion 29 and the outer end of the first barrel 2, and the two sealing gaskets 30 are disposed between the fourth snap ring 28 and the second snap ring 20. Two planes of the two sealing gaskets 30 can freely move in a staggered manner, so that the sealing rings are prevented from being moved in a staggered manner in the ring shearing process, deformed and damaged, and the sealing effect is prevented from being influenced.
In addition, a plurality of rows of positioning pieces 33 are provided on the inner side wall of the sample mounting groove 5, and the plurality of rows of positioning pieces 33 can be provided at equal angular intervals around the central axis of the sample mounting groove 5 because: the effective bonding thickness of the colloid of pouring into to sample mounting groove 5 is roughly at 2mm, so all reserve 2 mm's gluey journey around the sample, for avoiding the sample because of the effect of gravity, make one side and the test box inner wall in close contact with of sample, and the opposite side is too big with test box inner wall aperture, both can influence the bonding effect, and avoid sample axle center and test box axle center disalignment, influence experimental precision, a plurality of and gluey journey highly uniform's holding ring that sets up on the inner wall of sample mounting groove 5, both can guarantee that the peripheral viscose thickness of sample is unanimous, also make experimental and test box coaxial, in order to solve above-mentioned problem.
In this embodiment, the positioning piece 33 may be installed on the inner sidewall of the sample installation groove 5 by welding.
It should be noted that, in both the first embodiment and the second embodiment, the thickness of the seal ring is greater than the height of the corresponding seal groove, so that the seal ring can be squeezed to have a good sealing effect.
Example three:
the third embodiment provides a pressing head for mounting the test cartridge of the first and second embodiments, connecting the test cartridge with the tester, and providing a compressive force.
Referring to fig. 1, in this embodiment, the lateral sides of the two sides of the width direction of the first plate body of the first box body and the second plate body of the second box body are straight surfaces, and the bottoms of the first plate body of the first box body and the second plate body of the second box body are both arc-shaped.
Fig. 6 is a schematic diagram of the structure of the pressure head for installing test box, combine fig. 6, the pressure head of this embodiment is provided with two, two pressure heads are used for installing the first plate body of first box body and the second plate body of second box body respectively, this pressure head includes body 34, be provided with constant head tank 35 on a side of body 34, the top of constant head tank 35 is uncovered, the vertical both sides parallel arrangement of constant head tank 35, the bottom of constant head tank 35 is the arc, the plate body sliding fit ground of two box bodies sets up in the constant head tank 35 that corresponds, when hoisting the box body to the pressure head on, the vertical both sides of constant head tank 35 can lead to the hoist and mount, and the bottom of constant head tank 35 is curved setting, can guarantee the stability of the plate body of two box bodies at the constant head tank 35 interior assembly that corresponds.
Further, combine fig. 6, in this embodiment, but the flaring setting of top both sides of constant head tank 35, can make things convenient for the thick location of plate body at constant head tank 35 like this, further improve assembly efficiency.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the limitation of any form, any of the commonly known people in the technical field, if the present invention does not depart from the technical features of the present invention, the present invention utilizes the present invention to make the equivalent embodiment of local change or modification, and does not depart from the technical features of the present invention, which all still belongs to the technical features of the present invention.
Claims (10)
1. A rock joint crack compression ring shear seepage coupling test box, characterized in that, the test box includes:
the first box body comprises a first plate body and a first barrel, the first barrel is arranged on the side face of the first plate body, a first groove is formed in the outer side end of the first barrel, and the first groove is annular;
the second box body, the second box body includes second plate body and second barrel, the second plate body with first plate body sets up relatively, the second barrel sets up the second plate body orientation on the side of first plate body, the second barrel with first barrel butt joint, the outside end of second barrel is provided with the second recess, the second recess is cyclic annular, the second recess with first recess butt joint forms the sample mounting groove.
2. The rock joint fracture compression ring shear seepage coupling test box of claim 1, wherein a first snap ring is coaxially arranged at the outer end of the first cylinder, and the first snap ring is located radially inside the first groove;
the outer end of the inner side of the second cylinder is sleeved on the first clamping ring;
the outer peripheral face of the first clamping ring is provided with a third sealing groove, a third sealing ring is arranged in the third sealing groove, and the outer end cover of the inner side of the second cylinder body is arranged on the third sealing ring.
3. The rock joint fracture compression ring shear-seepage coupling test cartridge of claim 2, further comprising a sealing ring sleeved outside the interface of the first and second barrels;
a first sealing groove is formed in the outer peripheral surface of the first cylinder, and a first sealing ring is arranged in the first sealing groove;
a second sealing groove is formed in the outer peripheral surface of the second cylinder, and a second sealing ring is arranged in the second sealing groove;
the sealing ring is sleeved on the first sealing ring and the second sealing ring.
4. The rock joint fracture compression ring shear seepage coupling test box as claimed in claim 2, wherein a seepage gap is formed between the second cylinder and the first cylinder;
a first seepage inlet and a first seepage outlet are formed in the first plate body, a first seepage channel and a second seepage channel are formed in the first cylinder body, two ends of the first seepage channel are respectively communicated with the first seepage inlet and the seepage gap, and two ends of the second seepage channel are respectively communicated with the first seepage outlet and the seepage gap; first seepage flow passageway with second seepage flow passageway all follows the axial setting of sample mounting groove, first seepage flow passageway with second seepage flow passageway all sets up the both sides of sample mounting groove.
5. The rock joint fracture compression ring shear seepage coupling test box according to claim 1, wherein a second clamping ring and a third clamping ring are coaxially and sequentially arranged at the outer end of the first cylinder, the second clamping ring is arranged at the radial inner side of the first groove, and the radius of the third clamping ring is smaller than that of the second clamping ring;
the inboard cooperation suit of second barrel is in the second joint ring and on the third joint ring.
6. The shear-seepage coupling test box for the rock joint fracture compression ring as claimed in claim 5, wherein a communication groove and two opposite buffer grooves are arranged on the outer peripheral surface of the third clamping ring, the two buffer grooves and the communication groove are annular, and the communication groove is located between the two buffer grooves;
a second seepage inlet and a second seepage outlet are formed in the first plate body, a second seepage channel is formed in the first cylinder, a third seepage channel is formed in the second cylinder, two ends of the second seepage channel are respectively communicated with the second seepage inlet and the communication groove, and two ends of the third seepage channel are respectively communicated with the sample mounting groove and the communication groove;
and a fourth seepage channel is arranged on the first plate body, and two ends of the fourth seepage channel are respectively communicated with the sample mounting groove and the second seepage outlet.
7. The rock joint fracture compression ring shear-seepage coupling test box according to claim 5, wherein a fourth clamping ring is coaxially arranged at the outer end of the first cylinder, and the fourth clamping ring is arranged radially outside the first groove;
the outer side end of the second plate body is provided with a butt joint bulge, the second groove is formed in the outer side end of the butt joint bulge, and the butt joint bulge is inserted into the fourth clamping ring and between the second clamping rings in a matched mode.
8. The rock joint fracture compression ring shear seepage coupling test box of claim 7, wherein a gap is formed between the abutting protrusion and the outer end of the first barrel, two sealing gaskets are arranged between the abutting protrusion and the outer end of the first barrel, and the two sealing gaskets are arranged between the fourth clamping ring and the second clamping ring.
9. The compression ring shear seepage coupling test box for the rock joints and fractures according to any one of claims 1 to 8, wherein a plurality of rows of positioning pieces are arranged on the inner side wall of the sample installation groove.
10. The compression ring shear seepage coupling test box for the rock joints and fractures according to any one of claims 1 to 8, wherein a plurality of glue injection holes are formed in each of the first plate body and the second plate body, each glue injection hole is communicated with the end of the same end of the sample mounting groove through a corresponding glue injection channel, and the glue injection channels are arranged along the axial direction of the sample mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120033618.3U CN214427165U (en) | 2021-01-07 | 2021-01-07 | Rock joint crack compression ring shear seepage coupling test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120033618.3U CN214427165U (en) | 2021-01-07 | 2021-01-07 | Rock joint crack compression ring shear seepage coupling test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214427165U true CN214427165U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120033618.3U Active CN214427165U (en) | 2021-01-07 | 2021-01-07 | Rock joint crack compression ring shear seepage coupling test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214427165U (en) |
-
2021
- 2021-01-07 CN CN202120033618.3U patent/CN214427165U/en active Active
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