CN105067222A - Porous-medium dynamic water grouting device and method thereof - Google Patents
Porous-medium dynamic water grouting device and method thereof Download PDFInfo
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- CN105067222A CN105067222A CN201510438742.7A CN201510438742A CN105067222A CN 105067222 A CN105067222 A CN 105067222A CN 201510438742 A CN201510438742 A CN 201510438742A CN 105067222 A CN105067222 A CN 105067222A
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Abstract
The invention discloses a porous-medium dynamic water grouting device and a method thereof. The device comprises a grouting device, a pulp inlet chamber, a steel tube, a pulp outlet chamber, a connecting piece and a flow measurement unit. The grouting device is connected with the pulp inlet chamber. The pulp inlet chamber is connected with one end of the steel tube. The other end of the steel tube is connected with the pulp outlet chamber. The connection part of the pulp inlet chamber with the steel tube, and the connection part of the pulp outlet chamber with the steel tube are respectively provided with a filter plate. The steel tube is provided with a pressure sensing unit. The interior of the middle part of the steel tube is provided with a water spraying unit. The water spraying unit is connected with a water inlet tube. The water inlet tube is connected with a water supply unit. The filter plate of the pulp outlet chamber is connected with a screw. The pulp outlet chamber is connected with a pulp outlet tube. The pulp outlet tube is provided with the flow measurement unit. According to the invention, the sidewall influence of the device on the grout diffusion can be eliminated. Meanwhile, by means of a pressure gage and an ultrasonic flow meter, the diffusion parameters of the grout in different conditions of dynamic water parameters can be monitored.
Description
Technical field
The present invention relates to a kind of porous medium and move water grouting device and method thereof.
Background technology
The Hydraulic and Hydro-Power Engineering of China, urban track traffic and Inter-Basin Water Transfer Project get more and more, the geologic condition faced in all kinds of engineering construction is increasingly sophisticated, quicksand, piping, the geologic hazard such as erosion, sedimentation and deformation of diving happen occasionally, serious threat social benefit, engineering safety and ecologic environment.Engineering practice for many years shows, slip casting method is the effective technology means of administering all kinds of geologic hazard, and it has reinforcing Rock-soil Mass Structure, shutoff water passage, avoids producing the features such as secondary disaster.At present, Chinese scholars have developed a series of test unit, has promoted the development of grouting theory to a certain extent, has provided guidance to engineering practice.
(1) Chinese patent CN103411751A describes a kind of visual intersection crack and moves water grouting test device and method, comprise slurries gathering-device, also comprise and intersect crack platform, intersect that crack platform comprises bracing frame, the intersection crack be arranged on bracing frame, be arranged on intersect crack testing laboratory inwall intersection crack, be arranged on and intersect flow sensor in the testing laboratory of crack and pressure transducer.Also comprise to intersecting the dynamic water water supply installation of crack testing laboratory water filling and the pneumatic shuttle to the slip casting of intersection crack testing laboratory.
(2) Chinese patent CN103573276A describes a kind of rich water thin silt mobilism grouting construction method, comprising: according to stratum and groundwater condition, whole range of grouting is divided into sealing district, water sealing consolidation district and stabilization zone from outside to inside successively; Detect formation parameter and carry out preparation of construction; Base area layer parameter preparation water-stop slurry, carries out ejection for water plugging to sealing district; Base area layer parameter preparation sealing is held concurrently strengthening stratum slurries, carries out ejection for water plugging and strengthening stratum to water sealing consolidation district; Base area layer parameter preparation strengthening stratum slurries, carry out Grouting Consolidation to stabilization zone; Tunnel is treated that the hydraulic testing is carried out in excavation area, inspection infiltration coefficient, and soil strength is tested, check slip casting effect.
(3) Chinese patent CN103954432A describes a kind of simulation crack grouting model test platform of variable pitch, comprises simulation crack, water tank of voltage regulation and liftable bearing; Wherein, simulation crack comprises two pieces of glass plates, and downside glass plate is provided with grouting hole, filling porous medium between two pieces of glass plates; Water tank of voltage regulation is hinged with the upside glass plate in simulation crack, liftable bearing is fixed on the lower end of the downside glass plate in simulation crack, liftable bearing comprises terminal pad, elevating lever and base, terminal pad is fixed on the downside glass plate in simulation crack, elevating lever is fixed on terminal pad lower end, and the elevating lever other end is fixed on base.
The test unit of the above-mentioned unit of comprehensive analysis, also has the following disadvantages:
1. only can simulate single dull and stereotyped crack or Monte Carlo-type intersection crack, the porous medium can not simulating water-rich sand layer and so on moves water slip casting process.
2. only according to the grouting method of stratum and groundwater condition determination water-rich sand layer, and do not know the migration rule of slurries and dynamic water, be difficult to realization theory and break through.
3. test unit size is fixed, and the grouting pressure born is lower, cannot carry out the experimental study of slurries Diffusion Law under high pressure.
4. usually ignore the impact that test unit limit wall spreads slurries.
Summary of the invention
The present invention is in order to solve the problem, propose a kind of porous medium and move water grouting device and method thereof, this device can be used for dynamic water, high-pressure slip-casting process in simulation porous medium, acquisition stream field information, the Diffusion Law of slurries and dynamic water in research slip casting process, be conducive to the quantitative relationship determining slurries Diffusion Law and moving water state, for engineering practice provides guidance.
To achieve these goals, the present invention adopts following technical scheme:
A kind of porous medium moves water grouting device, comprise grouting device, enter to starch cabin, steel pipe, pulp cabin, web member, pressure tester and flow measurement device, wherein, grouting device connects into slurry cabin, enter to starch cabin by web member joint steel pipe one end, the other end of steel pipe connects pulp cabin by web member, the junction of the junction and pulp cabin and steel pipe of entering to starch cabin and steel pipe is equipped with filter, steel pipe is provided with pressure tester, steel pipe middle-end inside is provided with perforated water spray, perforated water spray connects water inlet pipe, water inlet pipe connects water supply installation, the filter that pulp cabin is arranged is connected with screw rod, pulp cabin connects grout outlet, grout outlet is provided with flow measurement device.
Described screw rod is provided with lower tight head.
Described steel pipe has multiple, is connected between steel pipe by web member.
Described web member is thimble connector.
Described filter comprises porous plate and filter screen, and wherein, filter screen is arranged on the side near steel pipe.
Described porous plate Circularhole diameter Φ=2mm.
Described outer diameter of steel pipes Φ=110mm, inwall carries out frosted process and uniform application butter, adopts the quick thimble connector of steel ring welding formula to connect each monomer cylindrical steel.
Described perforated water spray external diameter is 100mm.
Described perforated water spray is circular, and on it, nozzle is arranged at interval.
Described grouting device is grouting pump, and grouting pump is connected with Grouting Pipe by unidirectional cutoff valve with import cabin.
Based on the installation method of said apparatus, comprise the following steps:
(1) first at the potpourri of steel pipe inner wall uniform application one deck butter and cement, with the wall effect of cancellation element; Then setting pressure table on steel pipe;
(2) will enter to starch cabin by thimble connector to be connected with steel pipe, simultaneously filling porous medium vibration compacting, subsequently, connect monomer cylindrical steel and packing material carries out, successively until reach design height;
(3) at design height place, perforated water spray is installed on steel pipe inner wall, and with unidirectional stop valve, perforated water spray is connected with water supply installation by water inlet pipe;
(4) by thimble connector, pulp cabin is connected with steel pipe, pulp cabin installs grout outlet and ultrasonic flow meter successively.
Beneficial effect of the present invention is:
(1) the direction adjustable of perforated water spray, thus the grouting test flowing to downstream or flow to against the current;
(2) pressure of adjustable automatic water-supply case and flow, carries out the grouting test of different flowing pressure, dynamic discharge;
(3) monomer cylindrical steel can bear the high pressure of 5MPa, can carry out high-pressure slip-casting;
(4) test unit size can carry out lengthening or shortening according to design, and applicability is stronger;
(5) eliminate the impact that device limit wall spreads slurries, slurries can be monitored by tensimeter and ultrasonic flow meter and move diffusion parameter under water parameter in difference.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is perforated water spray structural representation
Wherein 1. grouting pumps; 2. pulp-inlet pipe; 3. unidirectional stop valve; 4. enter to starch cabin; 5. porous plate; 6. the quick thimble connector of steel ring welding formula; 7. monomer cylindrical steel; 8. perforated water spray; 9. automatic water-supply case; 10. water inlet pipe; 11. tensimeters; 12. pulp cabins; 13. ultrasonic flow meters; 14 grout outlets.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
In Fig. 1, a kind of porous medium moves water grouting device and method thereof, comprise grouting pump (1), enter to starch cabin (4), porous plate (5), the quick thimble connector of steel ring welding formula (6), monomer cylindrical steel (7), automatic water-supply case (9), perforated water spray (8), tensimeter (11), pulp cabin (12), ultrasonic flow meter (13) etc.To enter to starch cabin (4) by the quick thimble connector of steel ring welding formula (6), monomer cylindrical steel (7), pulp cabin (12) is connected as a single entity, grouting pump (1) by pulp-inlet pipe (2) and unidirectional stop valve (3) with enter to starch cabin (4) and be connected, enter to starch cabin (4) and pulp cabin (12) all placing porous plates (5), monomer cylindrical steel (7) is settled tensimeter (11), automatic water-supply case (9) is connected with perforated water spray (8) with unidirectional stop valve (3) by water inlet pipe (10), perforated water spray (8) is fixed on monomer cylindrical steel (7) inwall, pulp cabin (12) arranges ultrasonic flow meter (13).
The quick thimble connector of steel ring welding formula (6) connects successively into slurry cabin (4), monomer cylindrical steel (7) and pulp cabin (12).
Porous plate (5) Circularhole diameter is 2mm.
Monomer cylindrical steel (7) external diameter 110mm, high 200mm or 400mm, wall thickness 5mm, can bear the pressure of 5MPa.
Automatic water-supply case (9) can realize continuously, stable water supply.
Perforated water spray (8) external diameter is 100mm.
Perforated water spray (8) is for circular, and on it, nozzle is arranged at interval.
A kind of porous medium moves water grouting device and method thereof, it is characterized in that, comprises the following steps:
A. first at the potpourri of monomer cylindrical steel (7) inwall uniform application one deck butter and cement, with the wall effect of cancellation element.Then at the upper setting pressure table (11) of monomer cylindrical steel (7).
B. will enter to starch cabin (4) be connected with monomer cylindrical steel (7) by the quick thimble connector of steel ring welding formula (6), while filling porous medium vibration compacting.Subsequently, connect monomer cylindrical steel (7) to carry out successively, until reach design height with packing material.
C. at design height place, perforated water spray (8) is installed on monomer cylindrical steel (7) inwall, and with unidirectional stop valve (3), perforated water spray (8) is connected with automatic water-supply case (9) by water inlet pipe (10).
D. by the quick thimble connector of steel ring welding formula (6), pulp cabin (12) are connected with monomer cylindrical steel (7), pulp cabin (12) install grout outlet (14) and ultrasonic flow meter (13) successively.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. a porous medium moves water grouting device, it is characterized in that: comprise grouting device, enter to starch cabin, steel pipe, pulp cabin, web member, pressure tester and flow measurement device, wherein, grouting device connects into slurry cabin, enter to starch cabin by web member joint steel pipe one end, the other end of steel pipe connects pulp cabin by web member, the junction of the junction and pulp cabin and steel pipe of entering to starch cabin and steel pipe is equipped with filter, steel pipe is provided with pressure tester, steel pipe middle-end inside is provided with perforated water spray, perforated water spray connects water inlet pipe, water inlet pipe connects water supply installation, the filter that pulp cabin is arranged is connected with screw rod, pulp cabin connects grout outlet, grout outlet is provided with flow measurement device.
2. a kind of porous medium as claimed in claim 1 moves water grouting device, it is characterized in that: described screw rod is provided with lower tight head.
3. a kind of porous medium as claimed in claim 1 moves water grouting device, it is characterized in that: described steel pipe has multiple, is connected between steel pipe by web member.
4. a kind of porous medium as claimed in claim 1 moves water grouting device, it is characterized in that: described web member is thimble connector.
5. a kind of porous medium as claimed in claim 1 moves water grouting device, it is characterized in that: described filter comprises porous plate and filter screen, and wherein, filter screen is arranged on the side near steel pipe.
6. a kind of porous medium as claimed in claim 1 moves water grouting device, it is characterized in that: described perforated water spray is circular, and on it, nozzle is arranged at interval.
7. a kind of porous medium as claimed in claim 1 moves water grouting device, it is characterized in that: described grouting device is grouting pump, and grouting pump is connected with Grouting Pipe by unidirectional cutoff valve with import cabin.
8. based on the installation method of the device such as according to any one of claim 1-7, it is characterized in that: comprise the following steps:
(1) first at the potpourri of steel pipe inner wall uniform application one deck butter and cement, with the wall effect of cancellation element; Then setting pressure table on steel pipe;
(2) will enter to starch cabin by thimble connector to be connected with steel pipe, simultaneously filling porous medium vibration compacting, subsequently, connect monomer cylindrical steel and packing material carries out, successively until reach design height;
(3) at design height place, perforated water spray is installed on steel pipe inner wall, and with unidirectional stop valve, perforated water spray is connected with water supply installation by water inlet pipe;
(4) by thimble connector, pulp cabin is connected with steel pipe, pulp cabin installs grout outlet and ultrasonic flow meter successively.
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| CN201510438742.7A CN105067222B (en) | 2015-07-23 | 2015-07-23 | Porous media moves water grouting device and its method |
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| CN201510438742.7A CN105067222B (en) | 2015-07-23 | 2015-07-23 | Porous media moves water grouting device and its method |
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| CN105067222B CN105067222B (en) | 2017-09-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389898A (en) * | 2017-07-24 | 2017-11-24 | 西安科技大学 | Dynamic current Flooding in Borehole consolidation grouting Diffusion Law visual Simulation experimental provision and method |
| CN107589047A (en) * | 2017-08-29 | 2018-01-16 | 山东大学 | A kind of the brief test device and test method of indoor dynamic water slip casting simulation |
| CN108196034A (en) * | 2018-01-19 | 2018-06-22 | 合肥工业大学 | Simulate high-pressure slip-casting device and test method under buried stratum river channels |
| CN109342275A (en) * | 2018-12-07 | 2019-02-15 | 中煤科工集团西安研究院有限公司 | Simulate the visualization crack grouting experimental rig and method of more master variables |
| CN109707342A (en) * | 2018-12-04 | 2019-05-03 | 淮北杨柳煤业有限公司 | One kind scrapping the porous continuous grouting plugging device of layer-through drilling |
| CN110186814A (en) * | 2019-06-20 | 2019-08-30 | 安徽理工大学 | Three-dimensional slip casting diffusion mechanism experimental rig and test method |
| CN113310872A (en) * | 2021-05-25 | 2021-08-27 | 北京中煤矿山工程有限公司 | Elastic wave-assisted cement grouting water-stopping model test device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389898A (en) * | 2017-07-24 | 2017-11-24 | 西安科技大学 | Dynamic current Flooding in Borehole consolidation grouting Diffusion Law visual Simulation experimental provision and method |
| CN107589047A (en) * | 2017-08-29 | 2018-01-16 | 山东大学 | A kind of the brief test device and test method of indoor dynamic water slip casting simulation |
| CN108196034A (en) * | 2018-01-19 | 2018-06-22 | 合肥工业大学 | Simulate high-pressure slip-casting device and test method under buried stratum river channels |
| CN109707342A (en) * | 2018-12-04 | 2019-05-03 | 淮北杨柳煤业有限公司 | One kind scrapping the porous continuous grouting plugging device of layer-through drilling |
| CN109342275A (en) * | 2018-12-07 | 2019-02-15 | 中煤科工集团西安研究院有限公司 | Simulate the visualization crack grouting experimental rig and method of more master variables |
| CN109342275B (en) * | 2018-12-07 | 2021-01-08 | 中煤科工集团西安研究院有限公司 | Visual crack grouting test device and method for simulating multiple main control variables |
| CN110186814A (en) * | 2019-06-20 | 2019-08-30 | 安徽理工大学 | Three-dimensional slip casting diffusion mechanism experimental rig and test method |
| CN110186814B (en) * | 2019-06-20 | 2022-07-29 | 安徽理工大学 | Three-dimensional grouting diffusion mechanism test device and test method |
| CN113310872A (en) * | 2021-05-25 | 2021-08-27 | 北京中煤矿山工程有限公司 | Elastic wave-assisted cement grouting water-stopping model test device |
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| CN105067222B (en) | 2017-09-05 |
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