CN205374249U - Bottom plate rock mass osmotic coefficient test analog system - Google Patents
Bottom plate rock mass osmotic coefficient test analog system Download PDFInfo
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- CN205374249U CN205374249U CN201620083306.2U CN201620083306U CN205374249U CN 205374249 U CN205374249 U CN 205374249U CN 201620083306 U CN201620083306 U CN 201620083306U CN 205374249 U CN205374249 U CN 205374249U
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- water injection
- capsule
- injection pipe
- water
- crack
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Abstract
The utility model discloses a bottom plate rock mass osmotic coefficient test analog system, including the shutoff observation system, bearing positioning system, air supply supply system and water source supply system, the shutoff observation system is including simulation drilling, crack switch and test probe, crack switching system has a plurality of, the week that all lies in simulation drilling makes progress, the test probe is located simulation drilling, the test probe includes the water injection pipe, the shutoff capsule, capsule connecting pipe and draw -in groove connect, the one end of water injection pipe is held for the shutoff, the other end is the water injection end, the draw -in groove connects to set up to be held at shutoff end and water injection, shutoff capsule package is established on the draw -in groove connects, connect the capsule connecting pipe between the relative shutoff capsule. The utility model discloses the drilling state under different cracks, different angle, different water injection segment length and the different water pressure can be simulated by the system, measures the unit interval filling hole water yield interior and that miss through the crack to obtain the osmotic coefficient through calculation.
Description
Technical field
This utility model relates to Rockmass Permeabuity Coefficient determination techniques field, is specifically related to a kind of floor rock infiltration coefficient test simulation system.
Background technology
Rockmass Permeabuity Coefficient is the important parameter of reflection crack rock permeance property, and the change of floor rock permeance property is closely related with the destruction situation of base plate.Therefore, research floor rock infiltration coefficient is significant with the relation of crack size, water injection rate, water filling segment length and water filling pressure.Generally adopt the means such as numerical simulation, field measurement to calculate infiltration coefficient at present.Owing to field condition is complicated and workload is big, and numerical simulation can not well reflect field condition to a certain extent, therefore, in practice, it is necessary to a kind of unit simulation infiltration coefficient, and inquires into infiltration coefficient Correlative Influence Factors and relation.
Utility model content
For above-mentioned problems of the prior art, the utility model proposes a kind of floor rock infiltration coefficient test simulation system, this system can simulate the bore state under different crack, different angles, different injection segment length and different hydraulic pressure, measure the water yield missed in unit interval hand-hole and through crack, obtain infiltration coefficient thereby through calculating.
Its technical solution includes:
A kind of floor rock infiltration coefficient test simulation system, including closure observation system, support alignment system, source of the gas supply system and water supply system,
Described closure observation system includes simulation boring, crack switch and test probe, described crack switch is provided with several, it is respectively positioned in the circumference of described simulation boring, described test probe is positioned at described simulation boring, described test probe includes water injection pipe, closure capsule, capsule connecting tube and card trough connection, one end of described water injection pipe is closure end, the other end is water injection end, described card trough connection is arranged on described closure end and water injection end, described closure capsule is packaged on described card trough connection, connects described capsule connecting tube between relative closure capsule；
Described water injection pipe is threaded connection is formed by the first water injection pipe and the second water injection pipe, has multiple leaking hole respectively on described first water injection pipe and the second water injection pipe；
Described support alignment system is for being fixed described boring；
Described source of the gas supply system is connected with described capsule connecting tube, for blocking gas injection in capsule；
Described water supply system is connected with described water injection end, for providing water source in water injection pipe.
As a preferred version of the present utility model, the length of described water injection pipe is 0.5～1m.
As another preferred version of the present utility model, near each crack switchs, it is provided with water pressure gauge.
Preferably, described card trough connection is " H " shape, is provided with fastening bung flange on the top of described card trough connection and bottom, and described closure capsule is fixed on described card trough connection by fastening bung flange.
Preferably, described simulation boring is length is the cylinder of 5m.
The Advantageous Effects that this utility model brings:
This utility model water injection pipe is by the first water injection pipe and the second water injection pipe is threaded forms, the length of threaded connection place can be adjusted, namely continuously adjusting of water filling length can be carried out, accurately carry out (0.5m-1m) change in length range and then the relation of research infiltration coefficient and water filling segment length；By coordinating of test probe and boring, it is possible to boring is carried out areal survey, and then studies the relation between each section of infiltration coefficient and boring overall penetration coefficient；Water injection pressure and then the relation between research infiltration coefficient and water injection pressure is controlled by water supply system；The flow meter reading switched by each crack is contrasted with crack size, water flood operations platform flow meter reading etc., can study at the same pressure, the relation between infiltration coefficient and each crack.
Parameter and infiltration coefficient thereof that this utility model simulation obtains are that Practical Project provides reference data.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, this utility model is described further:
Fig. 1 is the overall schematic of this utility model floor rock infiltration coefficient analog systems；
Fig. 2 is the overall schematic of support alignment system in this utility model floor rock infiltration coefficient analog systems；
Fig. 3 is the overall schematic blocking observation system in this utility model simulation floor rock infiltration coefficient analog systems；
Fig. 4 is hole structure schematic diagram in this utility model simulation floor rock infiltration coefficient analog systems；
Fig. 5 is test probe structural representation in this utility model floor rock infiltration coefficient analog systems；
Fig. 6 is water injection pipe structural representation in this utility model floor rock infiltration coefficient analog systems；
Fig. 7 is water injection pipe view in this utility model floor rock infiltration coefficient analog systems；
Fig. 8 is card trough connection and closure capsule structure schematic diagram in this utility model floor rock infiltration coefficient analog systems；
In figure, 1, boring 2, base 3, platen 4, graduated disc 5, bolt 6, water injection pipe 7, closure capsule 8, card trough connection 9, water flood operations platform 10, pressure hose 11, air pressure control station 12, gathering sill 13, high-pressure hose 14, crack switch 15, capsule connecting tube 16, leaking hole 17, high pressure gas holder 18, fastening bung flange.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is elaborated.
This utility model floor rock infiltration coefficient test simulation system, including closure observation system, support alignment system and feed system.
Shown in Fig. 3～Fig. 8, closure observation system includes boring (simulation boring) 1, crack switch 14 and test probe, crack switch 14 is distributed in around boring 1, and be connected in fixing with boring 1, crack switch 14 is provided with n, can determining its number according to practical situation, test probe can be mobile in boring 1, supports the use with boring 1；Boring 1, quantity is 1, and length is 5m, and one end closure of boring 1, the other end is open free end.
Crack switchs 14 and is connected with boring 1, can connect boring 1 inside, be provided with flow meter outside it, to monitor the internal size being switched 14 discharges by this crack of boring 1；The presence or absence opening and closing simulation boring 1 crack of crack switch 14, the size in unlatching size degree simulation boring 1 crack of crack switch 14, crack switch 14 can simulate the crack combined situation of boring 1 diverse location as requested；
Test probe includes water injection pipe 6, closure capsule 7, capsule connecting tube 15 and card trough connection 8, water injection pipe 6 of the present utility model is divided into two parts, it is the first water injection pipe and the second water injection pipe respectively, concrete structure is as shown in Figure 6, two parts are connected by spiral, namely water injection pipe 6 can spiral expanding, the adjustable in length of the junction of two parts pipeline, stability for water injection pipe, the length range of preferred water injection pipe 6 is 0.5 to 1m, it is possible to carry out continuously adjusting of the interior effectively water filling segment length of this length range as required.
Water injection pipe 6 one end blocks, the other end is open water injection end, have around water injection pipe 6 leaking hole 16 several, card trough connection 8 is distributed in water injection pipe 6 two ends, and be threaded with water injection pipe 6 two ends, card trough connection 8 quantity has two, overall in " H " shape, its horizontal indent of upper end outer rim, two opposite sides end is connected by capsule connecting tube 15, closure capsule 7 is provided with two, is fixed in the outer rim of corresponding card trough connection 8 upper end respectively through fastening bung flange 18, has formed the space of swollen closure capsule 7.
Shown in Fig. 1～Fig. 2, support alignment system is made up of base 2, platen 3 and graduated disc 4, and graduated disc 4 is fixing with base 2 to be connected, and platen 3 is hinged with base 2；Platen 3 is hinged with base 2, can rotate around base 2, and graduated disc 4 is fixing with base 2 to be connected, and may indicate that platen 3 bores gyration.
It is provided with gathering sill 12 and bolt 5 in the middle of graduated disc 4, bolt 5 can be made to move along gathering sill 12, and rotate to a certain predetermined angular until platen 3, by bolt 5, platen 3 is fixed on graduated disc 4.
As it is shown in figure 1, water source supply system includes water flood operations platform 9 and hydraulic-pressure regulating valve etc., water flood operations platform is connected with water injection end by pipeline, and water flood operations platform 9 provides high-pressure water by high-pressure hose 13 to test probe.
Source of the gas supply system includes air pressure control station 11, there are high pressure gas holder 17, gas gauge etc. in air pressure control station 11 place, air pressure control station 11 one end connects high pressure gas holder 17, and the other end is connected with the card trough connection 8 on test probe by pressure hose 10, blocks capsule 7 in order to flatulence.
The analogy method of said system, concrete operation step is as follows:
(1) carry out angular adjustment: be placed on level ground by base 2, according to angle needs, according to graduated disc 4 scale, regulate platen 3 angle to predetermined value, with bolt 5, platen is fixed on graduated disc 4；
(2) simulation crack arrangement: according to borehole fissure requirement, regulates crack switch 14, the arrangement of simulation crack, and wherein the open and close of crack switch 14 represent the presence or absence in crack, and the size degree of crack switch 14 unlatching represents the size in crack；
(3) determine testing length: according to length requirement, rotate water injection pipe 6 screw thread, regulate water injection pipe 6 effective length and arrive predetermined length L；
(4) installation system: be respectively mounted according to the structure of above-mentioned analog systems and block observation system, boring 1 is fixed on platen 3 inclined-plane, and keep parallel with graduated disc 4；Then, connect feed system and closure observation system by corresponding pipeline, and test probe is placed on 1 mouthful of place of boring；
(5) inspection plugging effect: first, closes 1 mouthful of end sections crack switch 14 of boring, opens air pressure control station 11, play swollen closure capsule 7, to predetermined pressure；Then, opening water flood operations platform 9, to test probe water filling, to testing hydraulic pressure, observe plugging effect, wherein, for guaranteeing sealing effectiveness, closure capsule blocks 7 pressure and should be greater than test probe water injection pressure；
(6) infiltration coefficient test: after plugging effect is qualified, recover 1 mouthful of end sections crack switch 14 to original state of boring, again closure, water filling are tested, after closure pressure, water injection pressure and injection flow are stable, record water flood operations platform 9 total water injection pressure P and total water injection rate Q (or record the discharge q of each crack switch simultaneously1、q2、q3······qn)；
(7) infiltration coefficient conversion is carried out: according to boring infiltration coefficient formula:
Wherein: K-infiltration coefficient, m/d；Q-water injection rate, L/min；L-water filling segment length, m；P-water injection pressure, m；
A-discharge coefficient, takes 1.3～1.9；
(8) release advances: close water flood operations platform 9, air pressure console switch 11, carry out closure capsule 7 release, utilize push rod to advance test probe to next observation area to carry out the infiltration coefficient test of respective aperture section, repeat step 6 to step 8, until observation is complete in boring 1 length range.
The part do not addressed in this utility model adopts or uses for reference prior art and can realize.
It should be noted that any equivalent way that those skilled in the art are made under the instruction of this specification, or substantially variant all should in protection domain of the present utility model.
Claims (5)
1. a floor rock infiltration coefficient test simulation system, including closure observation system, support alignment system, source of the gas supply system and water supply system, it is characterised in that:
Described closure observation system includes simulation boring, crack switch and test probe, described crack switch is provided with several, it is respectively positioned in the circumference of described simulation boring, described test probe is positioned at described simulation boring, described test probe includes water injection pipe, closure capsule, capsule connecting tube and card trough connection, one end of described water injection pipe is closure end, the other end is water injection end, described card trough connection is arranged on described closure end and water injection end, described closure capsule is packaged on described card trough connection, connects described capsule connecting tube between relative closure capsule；
Described water injection pipe is threaded connection is formed by the first water injection pipe and the second water injection pipe, has multiple leaking hole respectively on described first water injection pipe and the second water injection pipe；
Described support alignment system is for being fixed described simulation boring；
Described source of the gas supply system is connected with described capsule connecting tube, for blocking gas injection in capsule；
Described water supply system is connected with described water injection end, for providing water source in water injection pipe.
2. floor rock infiltration coefficient test simulation system according to claim 1, it is characterised in that: the length of described water injection pipe is 0.5～1m.
3. floor rock infiltration coefficient test simulation system according to claim 1, it is characterised in that: near each crack switchs, it is provided with water pressure gauge.
4. floor rock infiltration coefficient test simulation system according to claim 1, it is characterized in that: described card trough connection is " H " shape, be provided with fastening bung flange on the top of described card trough connection and bottom, described closure capsule is fixed on described card trough connection by fastening bung flange.
5. floor rock infiltration coefficient test simulation system according to claim 1, it is characterised in that: described simulation boring is length is the cylinder of 5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083306.2U CN205374249U (en) | 2016-01-28 | 2016-01-28 | Bottom plate rock mass osmotic coefficient test analog system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083306.2U CN205374249U (en) | 2016-01-28 | 2016-01-28 | Bottom plate rock mass osmotic coefficient test analog system |
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| CN205374249U true CN205374249U (en) | 2016-07-06 |
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| CN201620083306.2U Expired - Fee Related CN205374249U (en) | 2016-01-28 | 2016-01-28 | Bottom plate rock mass osmotic coefficient test analog system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414417A (en) * | 2018-01-30 | 2018-08-17 | 山东科技大学 | Simulate porous media rock mass infiltration lane fluid migration pilot system |
| CN109164030A (en) * | 2018-10-17 | 2019-01-08 | 西南交通大学 | It is a kind of for observe rock water suction process of osmosis experimental provision |
| CN109991142A (en) * | 2017-12-30 | 2019-07-09 | 中国人民解放军63653部队 | Earth-boring airtightness in-situ detection method |
| CN110186829A (en) * | 2019-05-31 | 2019-08-30 | 贵州大学 | A kind of physical simulation experiment device of seepage deformation monitoring and permeability parameters solution |
-
2016
- 2016-01-28 CN CN201620083306.2U patent/CN205374249U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991142A (en) * | 2017-12-30 | 2019-07-09 | 中国人民解放军63653部队 | Earth-boring airtightness in-situ detection method |
| CN108414417A (en) * | 2018-01-30 | 2018-08-17 | 山东科技大学 | Simulate porous media rock mass infiltration lane fluid migration pilot system |
| CN108414417B (en) * | 2018-01-30 | 2020-07-24 | 山东科技大学 | Fluid migration test system for simulating porous medium rock mass permeation channel |
| CN109164030A (en) * | 2018-10-17 | 2019-01-08 | 西南交通大学 | It is a kind of for observe rock water suction process of osmosis experimental provision |
| CN110186829A (en) * | 2019-05-31 | 2019-08-30 | 贵州大学 | A kind of physical simulation experiment device of seepage deformation monitoring and permeability parameters solution |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20160706 Termination date: 20170128 |