CN106814016A - The analogy method of slurry filling imitation device - Google Patents
The analogy method of slurry filling imitation device Download PDFInfo
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- CN106814016A CN106814016A CN201611249549.XA CN201611249549A CN106814016A CN 106814016 A CN106814016 A CN 106814016A CN 201611249549 A CN201611249549 A CN 201611249549A CN 106814016 A CN106814016 A CN 106814016A
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- filling
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- 239000002002 slurry Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000007569 slipcasting Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 239000011440 grout Substances 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims abstract description 4
- 238000004088 simulation Methods 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 9
- 230000002706 hydrostatic effect Effects 0.000 claims description 5
- 230000037452 priming Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 abstract description 15
- 238000012360 testing method Methods 0.000 abstract description 15
- 230000015572 biosynthetic process Effects 0.000 abstract description 11
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 210000004911 serous fluid Anatomy 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of analogy method of slurry filling imitation device.The analogy method is comprised the following steps：First, top compression；Then, water filling；To being added water in storage tank, pressurization air pump is opened, after pressure gauge reading reaches setting value in water butt, opening water control valve carries out water filling, and adjusting air pump pressure at any time according to air pressure meter reading makes barrel internal pressure power be maintained at stationary value；Afterwards, slip casting；Finally, experimental data is obtained；After slip casting step terminates, after maintenance reaches the regular hour in model bucket after grouting soil, top cover is removed, take out induration, observed and recorded grout mixing, form.The analogy method of the slurry filling imitation device can simulate the slurries Diffusion Law of Different Strata depth or high pressure formation；And simulated test environment can be set according to actual geological environment, meet the demand of engineering practice.
Description
Technical field
The present invention relates to Geotechnical Engineering field, more particularly to a kind of analogy method of slurry filling imitation device.
Background technology
With the fast development of the underground engineerings such as China mine, tunnel, subway, to being reinforced with filling, impervious leakage-stopping is made
Slurry injection technique application is more and more extensive.Now with the progress of slip casting machinery, material and technique, slurry injection technique has been obtained soon
Speed development, yet with formation condition complexity such as slip casting depth of stratum, ground crack situation, hydraulic pressure, water flow velocities, makes indoor note
Slurry test simulation difficulty is big, it is impossible to draw accurate engineering grouting parameter to instruct engineering practice, i.e. grouting theory research greatly
Lag behind the demand of engineering practice.
A kind of grouting simulation test device and its test method disclosed in existing patent (CN 105527384), the method is again
Original indoor grouting test technique study slurries property and by slip casting dielectric attribute to slurries Diffusion Law on the basis of, also simulate
The influence that slip casting process pore water dissipates to the effect of slip casting；A kind of simulation disclosed in existing patent (CN 105136641)
The model equipment of osmotic grouting diffusion test under river channels, it is ultra-fine that this device simulates low-pressure low flow velocity using priming apparatus
Injecting paste material penetrates into the rule of chiltern medium under circumstance of flowing water.
But the following several respects defect of above-mentioned method generally existing：
1. the slurries Diffusion Law of Different Strata depth or high pressure formation cannot be simulated；(because of the three-dimensional on different depth stratum
Do not pressurize by slip casting top of media to different by the pressure of slip casting medium in direction, it is impossible to simulate Different Strata depth
With the environment of high pressure formation.)
2. mould cannot be carried out to the slip casting rule under three kinds of environment of dynamic water of the hydrostatic of anhydrous, different hydraulic pressure and different water speeds
Intend.The environment of simulation is single, small to practical advice meaning；
3. slurries Diffusion Law when the quantity that Grouting Pipe mesopore cannot be simulated arranges different；(Grouting Pipe can not make many sets and replace
Change).
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the invention, without answering
In being considered as recognizing or imply in any form that the information structure has been the prior art well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of analogy method of simple and reasonable slurry filling imitation device, the slip casting mould
Intending the analogy method of device can simulate the slurries Diffusion Law of Different Strata depth or high pressure formation；And can be according to reality
Geological environment sets simulated test environment, meets the demand of engineering practice.Different notes in different environments can also be tested
Slurry sprays the influence of hole number and arrangement to slurries Diffusion Law.
To achieve the above object, the invention provides a kind of analogy method of slurry filling imitation device, comprise the following steps：It is first
First, top compression；The piston rod elongation of hydraulic jack is pressed onto on pressure plare, then by pressure plare, push rod to permeable pressure
Plate pressurizes, and after being pressurized to the pressure specified, remains stationary as；Then, water filling；To being added water in storage tank, pressurization air pump is opened, wait to store up
After pressure gauge reading reaches setting value in bucket, opening water control valve carries out water filling, and air pump is adjusted at any time according to air pressure meter reading
Pressure makes barrel internal pressure power be maintained at stationary value；Afterwards, slip casting；The slurries being stirred will be configured and pour into the small in-car of slip casting, open control
Slurry valve, opens grouting pump, starts slip casting, and causes that grouting pressure will stabilise at particular value, when simulating anhydrous or hydrostatic, when reaching
To the slip casting time of setting, slip casting terminates, during simulation circumstance of flowing water, when bottom emptying valve is not when there are flowing out, and slip casting knot
Beam；Grouting pump is closed, slip casting valve is closed, the small in-car slurries of slip casting is poured out, and clean grouting device；Finally, obtain real
Test data；After slip casting step terminates, after maintenance reaches the regular hour in model bucket after grouting soil, top cover is removed, taken
Go out induration, observed and recorded grout mixing, form.
Preferably, in above-mentioned technical proposal, in priming steps, during simulation Lentic environment, noted after reaching setting time
Slurry, during simulation circumstance of flowing water, slip casting is carried out after emptying valve has at the uniform velocity water outflow.
Preferably, in above-mentioned technical proposal, grouting pressure stabilization is 3-5 minutes in the time of particular value.
Preferably, in above-mentioned technical proposal, during slip casting, the pressure of each sensor is recorded, after slip casting terminates, closes control
Penstock and pressurization air pump, remove water filling flexible pipe after pressure dissipation.
Compared with prior art, the present invention has the advantages that：
1. the analogy method of the slurry filling imitation device can give interior media pressurization, simulated formation three-dimensional pressure so that
The slurries Diffusion Law of simulation Different Strata depth or high pressure formation；
2. the analogy method of the slurry filling imitation device can be simulated under anhydrous, fixation pressure under Lentic environment and fixed flow rate
Three kinds of environment of dynamic water under slurries Diffusion Law, simulated test environment can be set according to actual geological environment, meet work
The demand of journey practice.
3. with slip casting interface using being threadedly coupled, Grouting Pipe can be replaced the Grouting Pipe in the analogy method of the slurry filling imitation device
Change, many sets can be designed and spray hole number and all different Grouting Pipes of arranging, test different slip casting squit holes in different environments
The influence of quantity and arrangement to slurries Diffusion Law.
Brief description of the drawings
Fig. 1 is the structural representation of slurry filling imitation device of the invention.
Fig. 2 is the filling simulation model barrel structure schematic diagram of slurry filling imitation device of the invention.
Fig. 3 is the bottom cover structure schematic of slurry filling imitation device of the invention.
Fig. 4 is the permeable pressure plate structure schematic diagram of slurry filling imitation device of the invention.
Fig. 5 is the pressure plate structure schematic diagram of slurry filling imitation device of the invention.
Fig. 6 is the cap structure schematic diagram of slurry filling imitation device of the invention.
Fig. 7 is the water filling device structural representation of slurry filling imitation device of the invention.
Fig. 8 is the grouting device structural representation of slurry filling imitation device of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the invention is described in detail, it is to be understood that guarantor of the invention
Shield scope is not limited by specific embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other units
Part or other parts.
As shown in figure 1, the slurry filling imitation device according to the specific embodiment of the invention is specifically included：Hydraulic jack 1, examination
Frame 2, filling simulation model bucket 3, water filling device 4 and grouting device 5 are tested, wherein, hydraulic jack 1 is fixed on test stand 2, is filled
Mold filling analog model bucket 3 is placed on test stand 2, and positioned at the lower section of hydraulic jack 1.The slip casting flexible pipe of grouting device 5 with fill
The filling adaptor threaded connection of mold filling analog model bucket 3；The water filling flexible pipe of water filling device 4 connects with the water filling of filling simulation model bucket 3
Head thread is connected；Hydraulic jack 1 is pressed on the pressure plare of filling simulation model bucket 3 as top compression device, and pressure plare leads to
Three push rods are crossed to permeable platen pressure, permeable pressing plate is pressurizeed to interior media, model bucket wall, bottom and permeable pressing plate are equal
Interior media pressure is given, so that simulated formation three-dimensional pressure, so as to simulate the slurries diffusion of Different Strata depth or high pressure formation
Rule.
Specifically, as shown in Figures 2 to 6, filling simulation model bucket 3 includes：Medium charge bucket 36, bottom 33, top cover
315th, permeable pressing plate 38, push rod 311 and pressure plare 312.Wherein, medium charge bucket 36 is the cylinder tubbiness of both ends open, top cover
315 lids are located at the upper end open of medium charge bucket 36, and bottom 33 fixes the lower end that lid is located at medium charge bucket 36 by bolt 34
Opening, is provided with sealing ring 35 between top cover 315 and medium charge bucket 36, be provided between bottom 33 and medium charge bucket 36 close
Seal 35.Push rod 311 is located in top cover 315 by what dynamic seal ring 314 can be moved axially, and pressure plare 312 passes through screw
313 outer ends (top) for being fixed on push rod 311, what permeable pressing plate 38 can be moved up and down is laid in medium charge bucket 36, top
The inner contact with permeable pressing plate 38 of bar 311 is compressed, and slip casting cabin 317 is formed between permeable pressing plate 38 and bottom 33.Top cover 315
Water filling joint 310 and water filling mouth sealing ring 39 are provided with, water filling joint 310 is used to be connected with the water filling flexible pipe of water filling device 4.It is situated between
The side of matter filling bucket 36 is provided with filling adaptor 316, and the inner side of filling adaptor 316 is connected with Grouting Pipe 37, filling adaptor 316
Outside be used for be connected with the slip casting flexible pipe of grouting device 5.With filling adaptor using being threadedly coupled, Grouting Pipe can be replaced Grouting Pipe
Change, the quantity and all different Grouting Pipes of arranging of many set squit holes can be designed, different slip castings spray in different environments for test
The influence of hole number and arrangement to slurries Diffusion Law.The middle part of bottom 33 is provided with emptying valve 31, the week of emptying valve 31
Enclose and be respectively arranged with first sensor stopple 32 and second sensor stopple 318.Preferably, push rod 311 is three for being set up in parallel
Root.Bottom, top cover, water injection interface, slip casting interface, with sealing ring, sensor port have the nylon seal of tube or plug sealing, push rod
Have dynamic seal ring, can simulate hydrostatic under anhydrous, different hydraulic pressure, it is different in flow rate under three kinds of environment of dynamic water under slurries diffusion rule
Rule.When water filling device is not used, water-less environment can be simulated；When emptying valve is closed, and after setting different injection pressure, mould
What is intended is Lentic environment under fixation pressure；When emptying valve is opened, and after setting different injection pressure, simulation is not cocurrent flow
Quick-action water environment.
As shown in fig. 7, water filling device 4 includes：Storage tank 43, pressurization air pump 45, gas injection flexible pipe 46, water filling flexible pipe 41, control
Penstock 42 and first pressure table 44.Wherein, pressurization air pump 45 is connected by gas injection flexible pipe 46 with storage tank 43, and storage tank 43 leads to
Cross water filling flexible pipe 41 to be connected with water filling joint 310, water control valve 42 is arranged on water filling flexible pipe 41, pressurize air pump 45 and storage tank
43 are provided with first pressure table 44.
As shown in figure 8, grouting device 5 includes：Slip casting dolly 55, grouting pump 51, slip casting flexible pipe 53, drain pulp valve 52 and
Two pressure gauges 54.Wherein, grouting pump 51 is connected with slip casting dolly 55, and grouting pump 51 is by slip casting flexible pipe 53 and filling adaptor 316
Connection, drain pulp valve 52 is arranged on slip casting flexible pipe 53, and slip casting dolly 55 and grouting pump 51 are provided with second pressure table 54.
During assembling, filling simulation model bucket is first assembled.(1) bottom and Grouting Pipe are installed, emptying valve is arranged on bottom
On, simulation circumstance of flowing water opens valve, and other environment close valve；Pickup wire is put into nylon tube and is connect by sensor
Mouthful, during simulation Lentic environment, glue sealing being carried out, sealing ring is put into filling by the install sensor plug if without the use of sensor
In simulation model bucket in the seal groove of bottom, bottom and model bucket are connected with bolt；By selected Grouting Pipe and slip casting interface tube
Threaded connection, is installed on model bucket.Model bucket is placed on test stand.(2) medium and sensor are loaded onto, in model bucket
One layer of anti-seepage geotextile of bottom overlying, then layering is inserted by note medium wherein, the quantity of the sensor according to required arrangement
And mode, determine every layer of thickness of medium, when reaching setting height, put permeable pressing plate；(3) top cover is installed, by dynamic seal ring
It is put into top seal groove, installs three push rods, push rod is arranged on pressure plare with screw.Sealing ring is put into filling mould
In analog model bucket in seal groove, top cover and model bucket are connected with bolt.Then the simulation side of whole slurry filling imitation device is assembled
Method.(1) hydraulic jack is fixed on test stand using bolt；(2) by slip casting flexible pipe and the filling adaptor screw thread of model bucket
Connection；(3) water filling flexible pipe is connected with the water filling joint screw thread of model bucket.
Using comprising the following steps that slurry filling imitation device simulation grouting serous fluid spreads in formation void：
First, top compression；The piston rod elongation of hydraulic jack is pressed onto on pressure plare, then by pressure plare, top
Bar pressurizes to permeable pressing plate, after being pressurized to the pressure specified, remains stationary as.
Then, water filling；To being added water in storage tank, pressurization air pump is opened, treat that pressure gauge reading reaches setting value in water butt
Afterwards, opening water control valve carries out water filling, and adjusting air pump pressure at any time according to air pressure meter reading makes barrel internal pressure power be maintained at stationary value；
During simulation Lentic environment, slip casting is carried out after reaching setting time, during simulation circumstance of flowing water, after emptying valve has at the uniform velocity water outflow
Carry out slip casting.If simulation is water-less environment, this step is omitted.
Afterwards, slip casting；The slurries being stirred will be configured and pour into the small in-car of slip casting, open drain pulp valve, open grouting pump, opened
Beginning slip casting, grouting pressure will stabilise at particular value in 3-5 minutes, when simulating anhydrous or hydrostatic, when the slip casting time for reaching setting,
Slip casting terminates, and during simulation circumstance of flowing water, when bottom emptying valve is not when there are flowing out, slip casting terminates.Grouting pump is closed, is closed
Slip casting valve, the small in-car slurries of slip casting is poured out, and clean grouting device.During slip casting, the pressure of each sensor is recorded,
After slip casting terminates, water control valve and pressurization air pump are closed, water filling flexible pipe is removed after pressure dissipation.
Finally, experimental data is obtained；After slip casting step terminates, treat that grouting soil maintenance in model bucket reaches certain
After time, mould shape barrel top cover is removed, take out induration, observed and recorded grout mixing, form etc..Sampling is resisted simultaneously
Compressive Strength is tested, and measures the intensity of induration.
To sum up, the analogy method of the slurry filling imitation device has top compression device, can simulate Different Strata depth or
The slurries Diffusion Law of high pressure formation；And simulated test environment can be set according to actual geological environment, meet engineering reality
The demand trampled.Different slip castings in different environments can also be tested and spray the shadow of hole number and arrangement to slurries Diffusion Law
Ring.
The foregoing description to specific illustrative embodiment of the invention be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that certain principles of the invention and its reality should
With so that those skilled in the art can realize and using a variety of exemplaries of the invention and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
1. a kind of analogy method of slurry filling imitation device, it is characterised in that comprise the following steps：
First, top compression；The elongation of the piston rod of hydraulic jack is pressed onto on pressure plare, then by pressure plare, push rod to
Permeable pressing plate pressurization, after being pressurized to the pressure specified, remains stationary as；
Then, water filling；To being added water in storage tank, pressurization air pump is opened, after pressure gauge reading reaches setting value in water butt, opened
Opening water control valve carries out water filling, and adjusting air pump pressure at any time according to air pressure meter reading makes barrel internal pressure power be maintained at stationary value；
Afterwards, slip casting；The slurries being stirred will be configured and pour into the small in-car of slip casting, open drain pulp valve, open grouting pump, start note
Slurry, and cause that grouting pressure will stabilise at particular value, when simulating anhydrous or hydrostatic, when the slip casting time for reaching setting, slip casting knot
Beam, during simulation circumstance of flowing water, when bottom emptying valve is not when there are flowing out, slip casting terminates；Grouting pump is closed, grouting valve is closed
Door, the small in-car slurries of slip casting is poured out, and clean grouting device；
Finally, experimental data is obtained；After slip casting step terminates, treat that grouting soil maintenance in model bucket reaches the regular hour
Afterwards, top cover is removed, induration, observed and recorded grout mixing, form is taken out.
2. the analogy method of slurry filling imitation device according to claim 1, it is characterised in that in the priming steps, mould
When intending Lentic environment, slip casting is carried out after reaching setting time, during simulation circumstance of flowing water, when emptying valve has at the uniform velocity water outflow laggard
Row slip casting.
3. the analogy method of slurry filling imitation device according to claim 2, it is characterised in that the grouting pressure stabilization exists
The time of particular value is 3-5 minutes.
4. the analogy method of slurry filling imitation device according to claim 3, it is characterised in that during the slip casting, note
The pressure of each sensor is recorded, after slip casting terminates, water control valve and pressurization air pump is closed, water filling flexible pipe is removed after pressure dissipation.
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| CN201611249549.XA CN106814016A (en) | 2016-12-29 | 2016-12-29 | The analogy method of slurry filling imitation device |
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| CN201611249549.XA CN106814016A (en) | 2016-12-29 | 2016-12-29 | The analogy method of slurry filling imitation device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840977A (en) * | 2017-02-16 | 2017-06-13 | 华北科技学院 | Slurry filling imitation device |
| CN107703031A (en) * | 2017-11-24 | 2018-02-16 | 中国矿业大学 | A kind of air pressure driving loose media grouting simulation test device and test method |
| CN107727550A (en) * | 2017-10-19 | 2018-02-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Apparatus and method for evaluating crack plugging effect under pressure water action |
| CN107741394A (en) * | 2017-12-12 | 2018-02-27 | 成都理工大学 | Multi-functional grouting test equipment |
| CN107941658A (en) * | 2018-01-08 | 2018-04-20 | 中国矿业大学 | A kind of inclined shaft grouting behind shaft or drift lining model test apparatus and test method |
| CN108222971A (en) * | 2018-02-13 | 2018-06-29 | 北京新能正源环境科技有限公司 | Filling system |
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| CN109030317A (en) * | 2018-09-05 | 2018-12-18 | 中山大学 | A kind of impervious material osmotic grouting laboratory testing rig |
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| CN110082252A (en) * | 2019-05-31 | 2019-08-02 | 宿州学院 | A kind of grouting serous fluid bleed experimental provision and syneresis rate changing rule test method |
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| CN106840977A (en) * | 2017-02-16 | 2017-06-13 | 华北科技学院 | Slurry filling imitation device |
| CN107727550A (en) * | 2017-10-19 | 2018-02-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Apparatus and method for evaluating crack plugging effect under pressure water action |
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Application publication date: 20170609 |