CN204495798U - A kind of high pressure-bearing tunnel gushing water is dashed forward mud test unit - Google Patents
A kind of high pressure-bearing tunnel gushing water is dashed forward mud test unit Download PDFInfo
- Publication number
- CN204495798U CN204495798U CN201520084672.5U CN201520084672U CN204495798U CN 204495798 U CN204495798 U CN 204495798U CN 201520084672 U CN201520084672 U CN 201520084672U CN 204495798 U CN204495798 U CN 204495798U
- Authority
- CN
- China
- Prior art keywords
- pressure
- wall
- test unit
- water
- tunnel
- 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)
Abstract
The invention belongs to test unit field, relate to a kind of high pressure-bearing tunnel gushing water to dash forward mud test unit, comprise rig for model test and stable-pressure device, wherein, described rig for model test is divided into inner shelter, outside pressure-bearing outer wall and tunnel opening three part, inner shelter is placed in pressure-bearing outer wall, and tunnel opening is welded on inner shelter and pressure-bearing outer wall; Stable-pressure device is used for providing stable hydraulic pressure to testing table, is made up of the compound constant pressure water tank of the gentle liquid of elevated pressure nitrogen gas tank.The present invention can simulate gushing water under high hydraulic pressure and to dash forward mud process, and can realize good lasting voltage regulation result.
Description
Art
The utility model belongs to test unit field, is specifically related to a kind of high pressure-bearing tunnel gushing water and dashes forward mud simulation test device.
Background technology
Along with the high speed development of economic construction, the infrastructure such as transportation network, water conservancy and hydropower, constantly perfect, will occur increasing deep tunnel engineering, and deep tunnel engineering threatens by high artesian, often run into gushing water to dash forward mud disaster, bring significant impact to engineering construction and people's property safety.Probe into tunnel generation gushing water under high artesian effect to dash forward the inherent mechanism of mud and infestation regularity, corresponding test apparatus device need be equipped with.In the past relevant testing equipment can be divided into two classes: a class is that the gushing water of simulation tunnel digging process is dashed forward mud test unit, the mud simulation but the gushing water that this kind of test unit can only carry out tunnel mostly is at low water pressures dashed forward; Another kind of is the seepage failure test unit of rock sample, although this kind of test unit can simulate the destructive process of rock under high hydraulic pressure, test, only for rock sample, fails to consider the digging process in tunnel.In published seepage flow gushing water test unit patent, such as patent 2008100453044 discloses a kind of large scale rock sample high pressure infiltration experiment device, but it is tested for rock sample; Patent CN101308126A discloses a kind of analogue means excavating gushing water, but its maximum hydraulic pressure that bears is only 1MPa, and its compression system is difficult to lasting voltage stabilizing, can not meet tunnel gushing water under high artesian effect and to dash forward the requirement of mud test simulation.
Summary of the invention
The utility model overcomes the deficiencies in the prior art, and under providing a kind of high artesian effect, the tunnel excavation gushing water can stablizing pressurization is dashed forward mud test unit.
For achieving the above object, the technical solution adopted in the utility model is: a kind of high pressure-bearing tunnel gushing water is dashed forward mud test unit, and comprise rig for model test and stable-pressure device, wherein, described rig for model test, comprises closed test shelter, pressure-bearing outer wall and tunnel opening.Inner shelter comprises steel plate and dismountable capping, and wherein a relative both sides steel plate has equally distributed inlet opening, steel plate up and down and in capping to the perforation that should have sealing fastening bolt; Pressure-bearing outer wall main body is the thick weldless steel tube of cutting, is the capping of sealing fastening bolt perforation up and down; Described tunnel opening be thick steel pipe and with test shelter and outer wall integrally welded, outer wall of steel pipe processing criterion screw thread, accessible high pressure valve.Described stable-pressure device, comprises the compound constant pressure water tank of the gentle liquid of elevated pressure nitrogen gas tank.Elevated pressure nitrogen gas tank is composed in series by many high-pressure nitrogen bottles, and configures servo pressure variable valve and tensimeter; The compound constant pressure water tank of gas-liquid is reequiped by standard nitrogen pressure container, and water tank upper arranges fitting passage and is communicated with elevated pressure nitrogen gas tank.
The utility model provides a kind of simultaneously and adopts above-mentioned test unit to realize high pressure-bearing tunnel gushing water mud of dashing forward to simulate concrete test procedure:
(1) analog material is inserted inner shelter, after analog material fully solidifies, with high-strength stove bolt by shelter and capping fit sealing, and with high-strength king-bolt by pressure-bearing outer wall and capping fit sealing;
(2) with connecting line, elevated pressure nitrogen gas tank group is connected with gas-liquid composite constant setting-out upper box part joint, gas-liquid composite constant setting-out upper box part water-in flange dish access tap water;
(3) by high-pressure water pipe, water tank is connected with water supply connector bottom rig for model test;
(4) regulate elevated pressure nitrogen gas tank group, in water tank, input nitrogen by elevated pressure nitrogen gas tank group, make water tank in model, inject the water source of stable pressure;
(5) by tunnel opening tunneling, and in digging process, hydraulic analogue tunnel gushing water is regulated to dash forward mud process.
The utility model adopts the inside and outside high-strength thick steel pipe of two parts and steel plate as rig for model test, inside and outside pressure-bearing, and good airproof performance, can realize high pressure-bearing effect; Adopt the constant pressure water tank that gas-liquid is compound, regulate input hydraulic pressure by elevated pressure nitrogen gas tank group, good voltage regulation result can be realized; Adopt reserved tunnel excavation mouth can carry out excavating and sealing, simple to operate, excavation can be realized and do not excavate multiple test type.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is rig for model test front view.
Fig. 2 is the A-A cut-open view of Fig. 1.
Fig. 3 is the B-B cut-open view of Fig. 1.
Fig. 4 is closed test shelter front elevation.
Fig. 5 is device outer wall capping vertical view.
Fig. 6 is inner shelter capping front elevation.
Fig. 7 is elevated pressure nitrogen gas tank.
Fig. 8 is the compound constant pressure water tank of gas-liquid.
In figure: 1. pressure-bearing outer wall, 2. inner shelter, 3. tunnel opening, the 4. capping of pressure-bearing outer wall, 5. inner shelter capping, 6. joint, 7. high-strength king-bolt, 8. high-strength big nut, 9. high-strength stove bolt, 10. high-strength primary nut, 11. inlet openings, 12. high-pressure nitrogen bottles, 13. serial pipes, 14. nitrogen cylinder fixed mounts, 15. standard nitrogen pressure containers, 16. water-in flange dishes, 17. water-output flange dishes, 18. liquid levels, 19. bases.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is rig for model test front view, and accompanying drawing 2 and accompanying drawing 3 are A-A and the B-B cut-open view of accompanying drawing 1.Pressure-bearing outer wall (1) adopts high-strength thick weldless steel tube to process, and cylindrically, wall thickness is greater than 20mm.Accompanying drawing 4 is inner shelter front elevation, and inner shelter (2) adopts high-strength steel plate to be welded, and processes equally distributed inlet opening (9) at shelter opposite face.Tunnel opening (3) adopts steel pipe and is welded with pressure-bearing outer wall (1) and inner shelter (2), tunnel opening outer wall processing criterion screw thread, accessible high pressure valve.
Accompanying drawing 5 is device outer wall capping vertical view, and accompanying drawing 6 is inner shelter capping front elevation.Outer wall capping (4) and inner shelter capping (5) adopt high-strength steel sheet to process, the perforation of the sealing fastening bolt that outer wall capping (4) processing is corresponding with outer wall and water inlet connection (6), the bolt penetration hole that shelter capping (5) processing is corresponding with shelter, utilize high-strength stove bolt (9) and high-strength primary nut (10) by capping and shelter fit sealing, utilize high-strength king-bolt (7) and high-strength big nut (8) by capping and outer wall fit sealing.
Accompanying drawing 7 is elevated pressure nitrogen gas tank.High-pressure nitrogen bottle (12) is assembled by nitrogen cylinder fixed mount (14) and serial pipe (13) by elevated pressure nitrogen gas tank.
Accompanying drawing 8 is the compound constant pressure water tank of gas-liquid, standard nitrogen pressure container (15) is adopted to convert, at tank top processing gas inlet joint (6), and water-in flange dish (16) and water-output flange dish (17) are welded on pressure vessel (15), water surface when liquid level (18) is water inlet.Nitrogen pressure container (15) is welded on base (19).
During test, with connecting line, high-pressure nitrogen bottle (12) is connected with gas-liquid composite constant setting-out upper box part inlet suction port (6), water-in flange dish (16) access tap water, is connected water-output flange dish (17) with water inlet connection bottom rig for model test (6) by high-pressure water pipe.So just can provide stable hydraulic pressure in device.
Claims (3)
1. high pressure-bearing tunnel gushing water is dashed forward a mud test unit, comprises rig for model test and stable-pressure device, wherein, described rig for model test, comprise inner shelter, pressure-bearing outer wall and tunnel opening, inner shelter is placed in pressure-bearing outer wall, and tunnel opening is welded on inner shelter and pressure-bearing outer wall; Stable-pressure device comprises the compound constant pressure water tank of the gentle liquid of elevated pressure nitrogen gas tank.
2. one according to claim 1 high pressure-bearing tunnel gushing water is dashed forward mud test unit, and it is characterized in that, shelter and pressure-bearing outer wall are all by bolt capping fit sealing.
3. one according to claim 1 high pressure-bearing tunnel gushing water is dashed forward mud test unit, it is characterized in that, by the effect regulating the compound constant pressure water tank of the gentle liquid of elevated pressure nitrogen gas tank to reach lasting voltage stabilizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084672.5U CN204495798U (en) | 2015-02-04 | 2015-02-04 | A kind of high pressure-bearing tunnel gushing water is dashed forward mud test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084672.5U CN204495798U (en) | 2015-02-04 | 2015-02-04 | A kind of high pressure-bearing tunnel gushing water is dashed forward mud test unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204495798U true CN204495798U (en) | 2015-07-22 |
Family
ID=53575103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084672.5U Expired - Fee Related CN204495798U (en) | 2015-02-04 | 2015-02-04 | A kind of high pressure-bearing tunnel gushing water is dashed forward mud test unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204495798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807012A (en) * | 2016-05-19 | 2016-07-27 | 湖南科技大学 | Testing device and method for simulating water outburst and mud outburst of fault |
| CN111337651A (en) * | 2020-04-18 | 2020-06-26 | 云南农业大学 | Deep tunnel and tunnel water inrush and mud inrush three-dimensional physical simulation test system |
-
2015
- 2015-02-04 CN CN201520084672.5U patent/CN204495798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807012A (en) * | 2016-05-19 | 2016-07-27 | 湖南科技大学 | Testing device and method for simulating water outburst and mud outburst of fault |
| CN111337651A (en) * | 2020-04-18 | 2020-06-26 | 云南农业大学 | Deep tunnel and tunnel water inrush and mud inrush three-dimensional physical simulation test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2014336858B2 (en) | Method for enhanced fuel gas extraction by coal mine underground gas-liquid dual-phase alternating phase-driven fracturing of coal body | |
| CN103926394B (en) | Three-dimensional visible testing system and method of dynamic water grouting model | |
| CN104614495A (en) | Water outburst and mud outburst testing device for high pressure-bearing tunnel | |
| CN203881763U (en) | Three-dimensional visualization flowing-water grouting model test system | |
| CN109342274A (en) | High polymer crack grouting model test apparatus and test method under pressure-bearing river channels | |
| CN205139120U (en) | Carbon dioxide drives kill fluid gas and invades simulation evaluation experimental apparatus | |
| CN207964218U (en) | A kind of water seal oil cave depot water seal effect experimental study device | |
| CN207761627U (en) | A kind of oil well air water mixed water injection device | |
| CN204495798U (en) | A kind of high pressure-bearing tunnel gushing water is dashed forward mud test unit | |
| CN103195110A (en) | Stable bucket-shaped foundation sinking negative pressure testing device | |
| CN104612649A (en) | Method and device for fracturing and permeability and yield increasing of coal-bed gas well of low-pressure and low permeability reservoir by means of chemical permeability increasing | |
| CN104215548B (en) | The static corrosion inhibition rate test combination unit of a kind of corrosion inhibiter and method of testing | |
| CN211464278U (en) | Automatic injection device of normal position chemistry | |
| CN205301254U (en) | ONLINE CHROMATOGRAM appearance is markd and is prepared device with standard oil | |
| CN204064696U (en) | A kind of underwater horizontal type X-tree detective pole | |
| CN109164104B (en) | Gas-liquid two-phase countercurrent visual simulation test system for abandoned mine goaf | |
| CN204694428U (en) | A kind of axle system stern tube hydraulic sealing test device | |
| CN201486523U (en) | High-pressure water return preventing safety control device in borehole rod below high-pressure water head | |
| CN214886975U (en) | Double-liquid and single-liquid fractional intermittent grouting karst cave treatment system equipment | |
| CN213422934U (en) | Test device for simulating concrete seepage corrosion under water pressure action of surrounding rock | |
| CN204679476U (en) | High artesian roof water inrush analog simulation system is adopted in deep | |
| CN204040219U (en) | Light-duty pressure grouting device for overall | |
| CN209026491U (en) | A kind of steering engine is come about the hand butter loading system of bearing | |
| CN210087288U (en) | Quantitative quick pressurizing device for water injection hole packer | |
| CN103175664A (en) | Model test device and test method for sealing performance of joints of check valves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Huang Zhen Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20170204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |