CN207882116U - A kind of rock permeability instrument pressure head equipped with point water plate - Google Patents
A kind of rock permeability instrument pressure head equipped with point water plate Download PDFInfo
- Publication number
- CN207882116U CN207882116U CN201721487821.8U CN201721487821U CN207882116U CN 207882116 U CN207882116 U CN 207882116U CN 201721487821 U CN201721487821 U CN 201721487821U CN 207882116 U CN207882116 U CN 207882116U
- Authority
- CN
- China
- Prior art keywords
- pressure head
- water plate
- point water
- rock
- rock sample
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of rock permeability instrument pressure head equipped with point water plate, including pressure head, rock sample is disposed with inside pressure head, point water plate, two guiding gutters, pressure head is undercut type pressure head, the other end of head mouth is provided with water inlet, rock sample is cased with O-ring seal, rock sample puts in the inside of pressure head, point water plate is arranged in parallel in one end that rock sample stretches into pressure head with respect to pressure head, point water plate surface is provided with several apopores, two guiding gutter square crossings are arranged in parallel in side of the point water plate far from rock sample with respect to point water plate, pressure head inner wall both sides are additionally provided with groove close to the contact site of point water plate and rock sample, groove is positioned close to the open at one end of pressure head, the o type sealing rings that rock sample is cased with are embedded in groove；Using the utility model during carrying out rock permeability coupling test, infiltration flow mixing can be distributed in rock sample surface, delay the destruction of rock.
Description
Technical field
The utility model belongs to rock hydraulics experimental instrument technology, and in particular to a kind of rock equipped with point water plate
Permeameter pressure head.
Background technology
China western part is vast in territory, and the geotechnical engineering of different regions can be by different inside and outside portion's environmental engineering geologies
The influence of condition causes some regional engineering geological problems.Such as hydraulic engineering, highway engineering, railway construction, mine engineering
The INTERACTION PROBLEMS of engineering rock (soil) body and seepage field can often be encountered.The generation of geological disaster, mainly due to warm in rock mass
The change for spending field, seepage field and stress field causes the result that the extension of rock interior micro-mechanical model is developed in macroscopically rock mass stress
The objective evidence of strain characteristics variation.Stress field, seepage field coupled system are frequently problems in Practical Project.Therefore,
The mechanical mechanism and rock interior mesoscopic numerical test process and its fracture mode of research water rock chemical reaction, see from thin to macro
The Damage propagation mechanism that two aspects disclose water rock chemical reaction is seen, theory can be provided for the estimation of stability of engineering rock mass
Foundation.
In conclusion in the stress-seepage coupling effect of study of rocks, need to carry out infiltration test to test specimen, due to
Seepage water pressure is a body force, when seepage pressure acts on rock sample, can cause the deformation damage of rock, if
Flow is concentrated into one, then stress concentration can be caused to damage the part of rock, to accelerate the destruction of rock.So how
It is distributed in the end of test specimen with making infiltration uniform fluid flow, it is necessary to design one piece of point water plate to realize this purpose.
Utility model content
The purpose of this utility model is to provide a kind of rock permeability instrument pressure head equipped with point water plate, solves in rock permeability
In coupling test, the problem of flow cannot be evenly distributed in the surface of rock sample is permeated.
The utility model is the technical scheme adopted is that a kind of rock permeability instrument pressure head equipped with point water plate, including pressure head,
Rock sample, point water plate, two guiding gutters are disposed with inside the pressure head, the pressure head is undercut type pressure head, the rock
Stone test specimen stretches into the inside of pressure head from head mouth, point water plate be arranged in parallel in that rock sample stretches into pressure head with respect to pressure head one
End, two guiding gutters intersect and the side far from rock sample in point water plate are arranged, and pressure head inner wall both sides are close to point water plate and rock
The contact site of stone test specimen is additionally provided with groove, and the outside of the other end of head mouth is provided with water inlet；
The utility model is also characterized by：
One end that the wherein described rock sample stretches into pressure head is cased with rubber finger sleeve；
The wherein described rock sample is also cased with O-ring seal；
The O-ring seal that the wherein described rock sample is cased with is embedded in the groove；
There are several apopores on the wherein described point water plate surface；
Wherein described two guiding gutters are mutually perpendicular to.
The utility model has the beneficial effects that：Utilize a kind of rock permeability instrument pressure equipped with point water plate of the utility model
Head, during carrying out rock permeability coupling test, infiltration uniform fluid flow can be distributed in rock by the point water plate inside pressure head
The end of test specimen, effectively prevent rock sample during the test due to infiltration water-flow equation it is uneven caused by damage,
Slow down the destruction of rock sample.
Description of the drawings
Fig. 1 is a kind of rock permeability instrument pressure head front view equipped with point water plate of the utility model；
Fig. 2 is a kind of rock permeability instrument pressure head vertical view equipped with point water plate of the utility model；
Fig. 3 be the utility model a kind of rock permeability instrument pressure head equipped with point water plate in point water plate schematic diagram；
In figure, 1. pressure heads, 2. rock samples, 3. point water plates, 4. guiding gutters, 5. grooves, 6. water inlets, 7 apopores, 8.O
Type sealing ring.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model provides a kind of rock permeability instrument pressure head equipped with point water plate,：Including
Pressure head 1,3, two rock sample 2, point water plate guiding gutters 4 are disposed with inside pressure head 1, and pressure head 1 is undercut type pressure head, pressure head
The other end of 1 opening is provided with water inlet 6, and rock sample 2 is cased with O-ring seal 8, and rock sample 2 puts in the inside of pressure head 1,
Point water plate 3 is arranged in parallel in one end that rock sample 2 stretches into pressure head 1 with respect to pressure head 1, and 3 surface of point water plate is provided with several water outlets
Hole 7, two 4 square crossings of guiding gutter are arranged in parallel in side of the point water plate 3 far from rock sample 2, pressure head 1 with respect to point water plate 3
Inner wall both sides are additionally provided with groove 5 close to the contact site of point water plate 3 and rock sample 2, and groove 5 is positioned close to pressure head 1
Open at one end, the O-ring seal 8 that rock sample 2 is cased with are embedded in groove 5.
From specific experiment process come the advantages of explaining the utility model：
Using a kind of rock permeability instrument pressure head equipped with point water plate of the utility model, when being tested, first point
Water plate is put into pressure head, in order to separate confining pressure and seepage water pressure, is allowed to that Each performs its own functions, between point water plate and pressure head, devises two
Water guide groove makes flow one enter pressure head, is diverted to the four direction of test specimen end face by water guide groove first, then through point
The said minuscule hole of water plate is allowed to the end face for being distributed in rock sample of uniform fluid flow from concentrating the damage of water pressure, also to need
Rubber finger sleeve is covered on rock sample, then the upper rock O-ring seal of the positions about 3mm set then will downwards in rock sample end
The test specimen for putting on rubber finger sleeve and O sealing rings is packed into pressure head together, pays attention to the groove for ensuring to make O-ring seal insertion pressure head, so that
Play the role of separate confining pressure and seepage water pressure.When experiment, infiltration flow enters point water plate by pressure head end, then passes through
Point water plate is distributed to the end face of test specimen with making uniform fluid flow, is allowed to not generate concentration water pressure, to realize confining pressure, axial compressive force
With the purpose of the experiment of axial seepage water pressure coupling.
Using a kind of rock permeability instrument pressure head equipped with point water plate of the utility model, it ensure that and carrying out stress and infiltration
When coupling test, infiltration uniform fluid flow is spread out so that infiltration flow uniformly penetrates into examination from the entire end of test specimen
Part.Meanwhile point water plate uses metallic plate, so, when by being acted on from axial crunch, it will not deform and shadow
Ring the accuracy of test result.
Claims (6)
1. a kind of rock permeability instrument pressure head equipped with point water plate, which is characterized in that including pressure head (1), the pressure head (1) it is internal according to
Secondary to be provided with rock sample (2), point water plate (3), two guiding gutters (4), the pressure head (1) is undercut type pressure head, the rock
Test specimen (2) stretches into the inside of pressure head (1) from pressure head (1) opening, and point water plate (3) is arranged in parallel in rock examination with respect to pressure head (1)
Part (2) stretches into one end of pressure head (1), and two guiding gutters (4) are intersected and are arranged the one of the separate rock sample (2) of point water plate (3)
Side, pressure head (1) inner wall both sides are additionally provided with groove (5), pressure head (1) close to the contact site of point water plate (3) and rock sample (2)
The outside of the other end of opening is provided with water inlet (6).
2. a kind of rock permeability instrument pressure head equipped with point water plate according to claim 1, which is characterized in that the rock examination
One end that part (2) stretches into pressure head (1) is cased with rubber finger sleeve.
3. a kind of rock permeability instrument pressure head equipped with point water plate according to claim 1, which is characterized in that the rock examination
Part (2) is also cased with O-ring seal (8).
4. a kind of rock permeability instrument pressure head equipped with point water plate according to claim 3, which is characterized in that the rock examination
The O-ring seal (8) that part (2) is cased with is embedded in the groove (5).
5. a kind of rock permeability instrument pressure head equipped with point water plate according to claim 1, which is characterized in that the point water plate
(3) there are several apopores (7) on surface.
6. a kind of rock permeability instrument pressure head equipped with point water plate according to claim 1, which is characterized in that described two to lead
Sink (4) is mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487821.8U CN207882116U (en) | 2017-11-09 | 2017-11-09 | A kind of rock permeability instrument pressure head equipped with point water plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487821.8U CN207882116U (en) | 2017-11-09 | 2017-11-09 | A kind of rock permeability instrument pressure head equipped with point water plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207882116U true CN207882116U (en) | 2018-09-18 |
Family
ID=63500547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721487821.8U Expired - Fee Related CN207882116U (en) | 2017-11-09 | 2017-11-09 | A kind of rock permeability instrument pressure head equipped with point water plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207882116U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765161A (en) * | 2019-01-25 | 2019-05-17 | 中国矿业大学 | It is a kind of to utilize permeability test method and device that bucket offer osmotic pressure and confining pressure are provided |
| CN111777205A (en) * | 2020-06-12 | 2020-10-16 | 安徽信息工程学院 | Domestic sewage purifying and reusing device |
| CN113533068A (en) * | 2021-08-02 | 2021-10-22 | 中国科学院武汉岩土力学研究所 | Sealing device, installation method and sealing system based on deep rock mass test |
-
2017
- 2017-11-09 CN CN201721487821.8U patent/CN207882116U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765161A (en) * | 2019-01-25 | 2019-05-17 | 中国矿业大学 | It is a kind of to utilize permeability test method and device that bucket offer osmotic pressure and confining pressure are provided |
| CN111777205A (en) * | 2020-06-12 | 2020-10-16 | 安徽信息工程学院 | Domestic sewage purifying and reusing device |
| CN113533068A (en) * | 2021-08-02 | 2021-10-22 | 中国科学院武汉岩土力学研究所 | Sealing device, installation method and sealing system based on deep rock mass test |
| CN113533068B (en) * | 2021-08-02 | 2022-11-01 | 中国科学院武汉岩土力学研究所 | Sealing device, installation method and sealing system based on deep rock mass test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Protection against water or mud inrush in tunnels by grouting: a review | |
| CN207882116U (en) | A kind of rock permeability instrument pressure head equipped with point water plate | |
| Au et al. | Factors affecting long-term efficiency of compensation grouting in clays | |
| CN104614249B (en) | Pressure chamber testing device and testing method for monitoring rock breaking multivariate precursory information | |
| WO2015090108A1 (en) | Bidirectional variable cross-section water-pressure bearer cycle test system for coal mine water inrush model test | |
| CN106053240B (en) | A kind of the concrete component hydraulic fracture simulated experiment design method and device of synchronous load | |
| MX2010004279A (en) | Methods of integrating analysis, auto-sealing, and swellable- packer elements for a reliable annular seal. | |
| CN103091222A (en) | Device for simulating and testing water burst of tunnel fissure | |
| CN204422525U (en) | High-temperature high pressure water mudding performance test evaluating apparatus | |
| CN105181927B (en) | The hypotonic coal seam hydraulic fracture simulation experiment method of multi- scenarios method | |
| AU2011288099A2 (en) | Process for fluid drainage and collection by in-situ leaching involving diversion holes | |
| CN102645395B (en) | Diaphragm wall permeability tester | |
| Li et al. | Time-dependent empirical model for fracture propagation in soil grouting | |
| CN107907393A (en) | A kind of mould for being used to make rock-like materials | |
| CN102967687A (en) | Indoor fracturing grouting experiment system under bidirectional anisobaric condition | |
| CN105699257B (en) | A kind of experimental rig and its test method being suitable for native stone contact surface seepage failure | |
| CN107782880A (en) | Grouting in soil mass simulation test device and its test method in a kind of multifunctional room | |
| CN107941671B (en) | Water-rich region fractured rock mass tunnel lining water pressure distribution test simulation method | |
| CN108279113A (en) | A kind of multi-functional grouting test model equipment of three-dimensional visualization | |
| CN204301779U (en) | A kind of indoor deep hole grouting multi-parameter combined measuring instrument | |
| CN207600774U (en) | A kind of rock corning machine sound insulation water-tight device | |
| CN202467865U (en) | Combined type hydraulic high-pressure tunnel end cap | |
| CN205643099U (en) | Water head test device of engineering geology reconnaissance usefulness | |
| CN105866008B (en) | A kind of different reservoir imbibition mechanism comparative study measuring instrument | |
| CN205670113U (en) | A kind of concrete durability experiment device of simulation medium pressure influence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20201109 |