CN108693047A - A kind of sealing device of rock fracture shearing Seepage Experiment - Google Patents
A kind of sealing device of rock fracture shearing Seepage Experiment Download PDFInfo
- Publication number
- CN108693047A CN108693047A CN201810285629.3A CN201810285629A CN108693047A CN 108693047 A CN108693047 A CN 108693047A CN 201810285629 A CN201810285629 A CN 201810285629A CN 108693047 A CN108693047 A CN 108693047A
- Authority
- CN
- China
- Prior art keywords
- cushion block
- iron wire
- sealing
- rock
- sleeve
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 239000011435 rock Substances 0.000 title claims abstract description 47
- 238000010008 shearing Methods 0.000 title claims abstract description 12
- 239000011901 water Substances 0.000 claims abstract description 45
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NScgaGVpZ2h0PSc4NScgeD0nMCcgeT0nMCc+IDwvcmVjdD4KPHRleHQgZG9taW5hbnQtYmFzZWxpbmU9ImNlbnRyYWwiIHRleHQtYW5jaG9yPSJzdGFydCIgeD0nMTguNzk5NicgeT0nNDcuNzk1NScgc3R5bGU9J2ZvbnQtc2l6ZTozOHB4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO2ZpbGw6IzNCNDE0MycgPjx0c3Bhbj5GZTwvdHNwYW4+PC90ZXh0Pgo8L3N2Zz4K [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000011514 iron Substances 0.000 claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 claims abstract description 44
- 238000004804 winding Methods 0.000 claims abstract description 5
- 239000000463 materials Substances 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethanes Polymers 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
- 239000002356 single layers Substances 0.000 abstract description 3
- 231100001004 fissures Toxicity 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000001808 coupling Effects 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layers Substances 0.000 description 1
- 239000007788 liquids Substances 0.000 description 1
- 239000003921 oils Substances 0.000 description 1
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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
Abstract
Description
Technical field
The invention belongs to rock mechanics technical fields, are related to a kind of sealing device of rock fracture shearing seepage tests.
Background technology
The shear-seepage characteristic of rock fracture is studied in Serious geological disasters and large-sized rock mass engineering research all has weight Want meaning.Us can be helped to be fully understood from about the experimental study of rock fracture shear-seepage characteristic in labs The mechanical state of variation and seepage flow fluid of the crack under hydraulic coupling action, theories integration is provided for practical engineering application.
There are many experimental study in terms of currently shearing seepage characteristic to rock fracture, and the sealing problem of wherein seepage flow is always One big technological difficulties.Main cause is that traditional sealing means are often the kink sealing of single layer iron wire, and this sealing means are often There is gap at iron wire interface kink, causes sealing effect bad.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of stable rock fractures that is used for of sealing to shear Sealing device in seepage tests.
The technical solution adopted in the present invention is:
A kind of sealing device of rock fracture shearing Seepage Experiment includes the shearing dress for shear crack rock sample It sets, the seepage apparatus of sealing device and control fluid flowing;
The shear includes normal direction pressure plate 1, pedestal 8, upper cushion block 2a and lower cushion block 2b;Rock sample 7 is placed in Between upper cushion block 2a and lower cushion block 2b, the upper surface connection normal direction pressure plate 1 of upper cushion block 2a, the lower surface of lower cushion block 2b connects bottom Seat 8;Normal direction pressure plate 1 applies Normal stress to upper cushion block 2a, and rock sample 7 is along the crack changing of the relative positions;
The sealing device include sleeve 5, upper dual iron wire sealing ring 6a and under dual iron wire sealing ring 6b;Described Sleeve 5 is sleeved on the outer wall of cushion block 2a, rock sample 7 and lower cushion block 2b;The upper dual iron wire sealing ring 6a and lower pair Weight iron wire sealing ring 6b is respectively fitted over the both ends of sleeve 5, and sleeve 5 is fastened and sealed;
The seepage apparatus includes water inlet pipe 3a, outlet pipe 3b, water inlet pipe water valve 4a and outlet pipe water valve 4b;Described Water inlet pipe 3a passes through the inside of upper cushion block 2a, one end to be in contact with the upper surface of rock sample 7, and the other end is equipped with water inlet pipe Water valve 4a;The outlet pipe 3b passes through the inside of lower cushion block 2b, one end to be in contact with the lower surface of rock sample 7, the other end Outlet pipe water valve 4b is installed;Flow is entered by water inlet pipe 3a, by being flowed out by outlet pipe 3b after rock fracture.
The material of the sleeve 5 is polyurethane.
The upper dual iron wire sealing ring 6a dual iron wire sealing ring 6b under, are twisted together by the dual winding of iron wire.
The beneficial effects of the invention are as follows:The double-deck dual winding of iron wire loop head iron wire is twisted together, and the torsion of single layer iron wire is avoided The gap occurred at knot, ensure that good leakproofness.
Description of the drawings
Fig. 1 is sealed elevation cross-sectional view;
Fig. 2 is sealing schematic diagram.
In figure:1 normal direction pressure plate;The upper cushion blocks of 2a;2b lower cushion blocks;3a water inlet pipes;3b outlet pipes;4a water inlet pipe water valves;4b Outlet pipe water valve;5 sleeves;The upper dual iron wire sealing rings of 6a;Dual iron wire sealing ring under 6b;7 rock samples;8 pedestals.
Specific implementation mode
Below in conjunction with the accompanying drawings and technical solution, the specific implementation mode further illustrated the present invention.
A kind of sealing devices of rock fracture shearing Seepage Experiment of referring to Fig.1~Fig. 2, including it is used for the examination of shear crack rock The shear of sample, the seepage apparatus of sealing device and control fluid flowing;A kind of sealing of rock fracture shearing Seepage Experiment Device includes the seepage apparatus of the shear for shear crack rock sample, sealing device and control fluid flowing;It is described Shear include normal direction pressure plate 1, pedestal 8, upper cushion block 2a and lower cushion block 2b;Rock sample 7 is placed in cushion block 2a under Between cushion block 2b, the upper surface connection normal direction pressure plate 1 of upper cushion block 2a, the lower surface connect base 8 of lower cushion block 2b;Normal direction is pressurizeed Plate 1 applies Normal stress to upper cushion block 2a, and rock sample 7 is along the crack changing of the relative positions;The sealing device includes sleeve 5, upper dual Iron wire sealing ring 6a dual iron wire sealing ring 6b under;The sleeve 5 is sleeved on cushion block 2a, rock sample 7 and lower cushion block 2b Outer wall on;The upper dual iron wire sealing ring 6a dual iron wire sealing ring 6b under are respectively fitted over the both ends of sleeve 5, to set Cylinder 5 is fastened and is sealed;The seepage apparatus includes water inlet pipe 3a, outlet pipe 3b, water inlet pipe water valve 4a and outlet pipe water Valve 4b;The water inlet pipe 3a passes through the inside of upper cushion block 2a, one end to be in contact with the upper surface of rock sample 7, other end peace Equipped with water inlet pipe water valve 4a;The outlet pipe 3b passes through the inside of lower cushion block 2b, the lower surface phase of one end and rock sample 7 Contact, the other end are equipped with outlet pipe water valve 4b;Flow is entered by water inlet pipe 3a, by being flowed by outlet pipe 3b after rock fracture Go out.
The sealing device includes for sealing the sealing device for upper portion of annular of upper cushion block 2a and sleeve 5, for sealing underlay The sealer of block 2b and sleeve 5.
The sealing device for upper portion of annular includes sleeve 5 and upper dual iron wire sealing ring 6a, and sleeve 5 is sealed with upper dual iron wire It encloses 6a cooperations and realizes sealing;
The sealer includes the dual iron wire sealing ring 6b under of sleeve 5, and sleeve dual iron wire under seals It encloses 6b cooperations and realizes sealing.
The upper dual iron wire sealing ring 6a dual iron wire sealing ring 6b under are twisted together by the dual winding of iron wire.It is double Layer iron wire sealing ring realizes sealing with sleeve cooperation.
The seepage apparatus includes outlet pipe 3b, water inlet pipe 3a, water inlet pipe water valve 4 and outlet pipe water valve 4b;
As shown in Fig. 1~Fig. 2, the shear includes:Normal direction pressure plate 1, upper cushion block 2a, lower cushion block 2b and pedestal 8.Normal stress is applied to upper cushion block 2a by normal direction pressure plate 1, rock sample 7 is along the crack changing of the relative positions.
The seepage apparatus includes:Water inlet pipe 3a, outlet pipe 3b, water inlet pipe water valve 4a, outlet pipe water valve 4b.Flow passes through Water inlet pipe 3a enters, by being flowed out by outlet pipe 3b after rock fracture.
The sealing device includes:Sleeve 5, upper dual iron wire sealing ring 6a, under dual iron wire sealing ring 6b.It is dual up and down Iron wire sealing ring coordinates with sleeve forms excellent sealing environment by seepage flow liquid in rock with the oil isolation for providing confining pressure.
Upper dual iron wire sealing ring 6a dual iron wire sealing ring 6b under are to surround sleeve two weeks by thin wire as shown in Figure 2 Kink is fixed on lower cushion block and is formed afterwards.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285629.3A CN108693047A (en) | 2018-03-29 | 2018-03-29 | A kind of sealing device of rock fracture shearing Seepage Experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285629.3A CN108693047A (en) | 2018-03-29 | 2018-03-29 | A kind of sealing device of rock fracture shearing Seepage Experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108693047A true CN108693047A (en) | 2018-10-23 |
Family
ID=63844406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810285629.3A CN108693047A (en) | 2018-03-29 | 2018-03-29 | A kind of sealing device of rock fracture shearing Seepage Experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108693047A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529064Y (en) * | 2002-04-01 | 2003-01-01 | 朱捍东 | Connector for joint of plastic pipe and rigid pipe |
| CN101034088A (en) * | 2007-04-18 | 2007-09-12 | 同济大学 | Rock joint shear-seepage coupling experiment box |
| CN102095652A (en) * | 2011-02-28 | 2011-06-15 | 中国矿业大学 | Penetration test device of shorn rock samples |
| CN204389353U (en) * | 2015-01-30 | 2015-06-10 | 湖南科技大学 | A kind of temperature-seepage coupling test test specimen packoff |
| CN106018748A (en) * | 2016-06-27 | 2016-10-12 | 山东科技大学 | Single-joint rock mass flow-solid coupling testing system and method |
| CN205982015U (en) * | 2016-07-08 | 2017-02-22 | 中国地质大学（武汉） | Rock fracture seepage flow parameter testing device under high temperature high pressure condition |
| CN107727506A (en) * | 2017-09-22 | 2018-02-23 | 河海大学 | A kind of Single Fracture rock mass chemical stress coupling test device and test method |
| CN207946314U (en) * | 2018-03-29 | 2018-10-09 | 大连理工大学 | A kind of sealing device of rock fracture shearing Seepage Experiment |
-
2018
- 2018-03-29 CN CN201810285629.3A patent/CN108693047A/en not_active Application Discontinuation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529064Y (en) * | 2002-04-01 | 2003-01-01 | 朱捍东 | Connector for joint of plastic pipe and rigid pipe |
| CN101034088A (en) * | 2007-04-18 | 2007-09-12 | 同济大学 | Rock joint shear-seepage coupling experiment box |
| CN102095652A (en) * | 2011-02-28 | 2011-06-15 | 中国矿业大学 | Penetration test device of shorn rock samples |
| CN204389353U (en) * | 2015-01-30 | 2015-06-10 | 湖南科技大学 | A kind of temperature-seepage coupling test test specimen packoff |
| CN106018748A (en) * | 2016-06-27 | 2016-10-12 | 山东科技大学 | Single-joint rock mass flow-solid coupling testing system and method |
| CN205982015U (en) * | 2016-07-08 | 2017-02-22 | 中国地质大学（武汉） | Rock fracture seepage flow parameter testing device under high temperature high pressure condition |
| CN107727506A (en) * | 2017-09-22 | 2018-02-23 | 河海大学 | A kind of Single Fracture rock mass chemical stress coupling test device and test method |
| CN207946314U (en) * | 2018-03-29 | 2018-10-09 | 大连理工大学 | A kind of sealing device of rock fracture shearing Seepage Experiment |
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| PB01 | Publication | ||
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Application publication date: 20181023 |