CN106645582A - Test apparatus for simulating stratum uplift in grouting process and test method of test apparatus - Google Patents
Test apparatus for simulating stratum uplift in grouting process and test method of test apparatus Download PDFInfo
- Publication number
- CN106645582A CN106645582A CN201611243568.1A CN201611243568A CN106645582A CN 106645582 A CN106645582 A CN 106645582A CN 201611243568 A CN201611243568 A CN 201611243568A CN 106645582 A CN106645582 A CN 106645582A
- Authority
- CN
- China
- Prior art keywords
- water
- soil layer
- pressure
- air
- test
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a test apparatus for simulating stratum uplift in a grouting process and a test method of the test apparatus. The test apparatus comprises a test box, bearing plates arranged in the test box and dividing an inner cavity of the test box into a soil layer loading cavity and a pressurizing water cavity which are independent from each other, a water inlet control system and a high-pressure air adjusting system which are communicated with the pressurizing water cavity, a test soil layer arranged in the soil layer loading cavity, a grouting unit buried in the test soil layer and a grout control system connected with the grouting unit, wherein the soil layer loading cavity is communicated with the water inlet control system by virtue of a soil layer water inlet pipe, and a soil pressure gauge and a porous water pressure gauge are buried in the test soil layer. Compared with the prior art, the test apparatus is simple and compact in overall structure, economical and practical, applicable to the grouting simulation test under different filing conditions and different soil layer water content conditions, more convenient and rapider to assemble and operate, good in sealing effect, capable of accurately simulating the on-site grouting process and good in application prospect, and a grouting simulation effect is close the real situation.
Description
Technical field
The invention belongs to underground engineering experimental technique field, be related to it is a kind of for simulating slip casting during stratum protuberance examination
Experiment device and its method of testing.
Background technology
Commonly use slip casting protuberance stratum in underground engineering to compensate ground settlement, up to the present, also without a kind of theoretical mould
Type energy qualitative analysis slip casting process, therefore, empirical analysis remains main flow.Grouting mechanism is extremely complex, is related to many factors, note
Stratum is swelled relevant with the interaction of soil with grouting pressure, slurry material, slurries Diffusion Law and slurries caused by slurry.And
Simulated test is the most effective means of qualitative analysis slip casting process mechanism and stratum protuberance.
In underground engineering, stratum settlement is compensated with slip casting, the requirement for controlling stratum deformation is more and more universal, base in engineering
By empirically determined grouting pressure and grouting amount, this has resulted in huge waste and potential safety hazard for this.At present, also lack in engineering
A kind of weary experimental rig and method of testing that can accurately simulate stratum protuberance during slip casting.
The Chinese invention patent of Application No. 201610028653.X discloses a kind of grouting simulation test device and its examination
Proved recipe method, the pressurization that described grouting simulation test device includes slip casting permeability apparatus and pressurizeed for slip casting permeability apparatus
System；Described slip casting permeability apparatus includes the inner core that is set in together and outer tube, between inner core and outer tube can water filling to mould
Intend saturation soil body Cementer condition；The top cover that the inner core barrel is provided with multiple water seepage holes, inner core and outer tube is provided with and stretches into it
In and the Grouting Pipe that is connected with compression system, up and down porous division board is cased with outside Grouting Pipe；On the base of outer tube
Spilled water hole is provided with, and the bottom of inner core is detachable permeable stone and filter screen.Above-mentioned patent is to arrange discharge outlet in device bottom,
The pressure in slip casting cabin is always atmospheric pressure during slip casting, therefore can not simulate the slip casting under deeper formation high-ground stress state
Process；Additionally, the device cannot measure the Volume Changes on stratum during slip casting.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art to exist and provides a kind of simple structure, cost
It is cheap, can accurate simulated field test position stratum gross pressure and pore water pressure for simulating slip casting during stratum protuberance
Experimental rig.
It is a further object to provide it is above-mentioned for simulating slip casting during stratum protuberance experimental rig survey
Method for testing.
The purpose of the present invention can be achieved through the following technical solutions：
The experimental rig of stratum protuberance during for simulating slip casting, the device includes chamber, is arranged in chamber
And the inner chamber of chamber is separated into separate soil layer loads the bearing plate of chamber and pressurization water cavity and be connected with the water cavity that pressurizes
Water inflow control system and pressure-air regulating system, be seated in soil layer load chamber in test soil layer, be embedded in test soil layer
In slip casting unit and the slurries control system that is connected with slip casting unit, described soil layer loads chamber and passes through soil layer water inlet pipe
It is connected with water inflow control system, in described test soil layer earth pressure gauge and pore pressure gauge is also embedded with.
Described slip casting unit includes traversing the Grouting Pipe being embedded in the middle part of test soil layer, the note being opened in the middle part of Grouting Pipe
Slurry mouth and the grout stop used cooperatively with grouting port.
Described grouting port is provided with altogether multiple, and is circumferentially uniformly laid on the tube wall of Grouting Pipe, described grouting port
Outer side covers have rubber membrane.
Described slurries control system includes slurry tank, piston pump and slurry reflux pipe, the outlet of described slurry tank
End is connected successively with piston pump, Grouting Pipe, and the entrance point for being connected to slurry tank is returned by slurry reflux pipe.
Described water inflow control system include degassing water tank, one end with degassing water tank delivery port be connected, the other end and
Pressurization water inlet pipe that pressurization water cavity is connected, flowmeter, valve and the water being successively set on along water (flow) direction on pressurization water inlet pipe
Pressure table, described degassing water tank is connected by soil layer water inlet pipe with test soil layer.
One section of pressurization water inlet pipe on described pressurization water cavity top is provided with the scale arm for indicated water level.
Described pressure-air regulating system includes pressure-air pump, pressure-air pump is connected with the water inlet pipe that pressurizes
Pressure-air air inlet pipe, the first pressure-air pressure regulator valve and first being successively set on along airflow direction in pressure-air air inlet pipe
Air manometer.
Described pressure-air air inlet pipe is provided with the air intake branch being connected with degassing water tank, along gas on the air intake branch
Stream direction is sequentially provided with the second air manometer and the second pressure-air pressure regulator valve.
The top surface of described test soil layer and bottom surface are respectively equipped with top geotextiles, bottom geotextiles, described bearing plate
Periphery be provided with sealing water proof ring, described pressurization water cavity, soil layer load chamber and further respectively have the first drainpipe, the second draining
Pipe.
The method of testing of the experimental rig of stratum protuberance during for simulating slip casting, the method specifically includes following step
Suddenly：
Step (1)：Inject into degassing water tank at 2/3 height of de aerated water to the water tank that deaerates, assembling chamber, and load
Test soil layer, keeps the density of test soil layer identical with live actual density；
Step (2)：Valve on opening pressurization water inlet pipe, the water filling in the pressurization water cavity of chamber, and by first row
Water pipe adjusts water level at the 2/3 of scale arm, is then shut off the valve pressurizeed on water inlet pipe, opens the first pressure-air pressure regulation
Valve so that air pressure is equal to the gross pressure on on-the-spot test position stratum；
Step (3)：Adjust the second pressure-air pressure regulator valve on degassing water tank air intake branch so that air in degassing water tank
Pressure is slightly above the formation pore water pressure of on-the-spot test position, opens the valve on soil layer water inlet pipe, deaerates de- in water tank
Air water starts to the test soil layer water-filling in chamber, and causes pore water pressure and on-the-spot test location hole in test soil layer
Gap water pressure is equal；
Step (4)：Discharging when there is no longer bubble in the second drainpipe, after waterflow stabilization is discharged, illustrating to test in soil layer
Gas is all discharged, the valve on the second drainpipe of closing and soil layer water inlet pipe, is recorded in degassing water tank and scale arm
Height of water level；
Step (5)：Open piston pump start slip casting, at regular intervals, record a scale arm in height of water level,
The reading of pressurization water inlet pipe flow meter reading, earth pressure gauge and pore pressure gauge, protuberance cumulative volume in stratum caused by slip casting
Gained is calculated by the lift-off value of scale arm water level with the product of the sectional area of chamber；
Step (6)：After slip casting terminates, the valve on the water inlet pipe of degassing water tank is opened, at regular intervals, record is once
The height of water level of degassing water tank and the height of water level of scale arm, stratum excess pore water displacement is raised by the water level of the water tank that deaerates
Value calculates the initial water level value of gained, and the final protuberance volume in stratum for scale arm with the product of the sectional area of degassing water tank
Gained is calculated with the difference of final water level value with the product of the sectional area of chamber.
In the present invention, described chamber is hollow drum, is from bottom to top base plate, tests soil layer, bearing plate and pressurization
De aerated water, the thickness of base plate can be used to adjust test the thickness of the layer, and test soil layer sets respectively with the contact surface of base plate, bearing plate
Bottom geotextiles, top geotextiles are put, prevents soil particle to be lost in, the periphery of bearing plate is provided with two seals water proof ring, completely cut off
Pressurization de aerated water and test soil layer.
Draining filter screen is equipped with described the first drainpipe, the second drainpipe, to prevent soil particle flowing water and blocking
Pipeline.
Described Grouting Pipe is passed through from test soil layer middle part, and grouting port is opened in the middle part of Grouting Pipe, and grouting port is uniform
Aperture, grouting port outer side covers rubber membrane is symmetrical arranged grout stop apart from grouting port certain distance, and piston pump is extracted from slurry tank
Slurries, by Grouting Pipe from grouting port to slip casting in test soil layer, unnecessary slurries are back in slurry tank by slurry reflux pipe.
Earth pressure gauge and pore pressure gauge are set in test soil layer, for measuring slurry consolidation during slurries periphery
The soil pressure of soil layer and pore water pressure change.
Pressurization water inlet pipe is connected with pressure-air air inlet pipe, and high-pressure air pressure is equal with formation testing gross pressure, passes through
Pressure-air pressure regulator valve is controlling air pressure；Degassing water tank is connected by soil layer water inlet pipe with the test soil layer in chamber,
And be connected with chamber top by the water inlet pipe that pressurizes, it is connected with pressure-air pump by pressure-air air inlet pipe.
Compared with prior art, overall structure of the present invention is simple, compact, economical and practical, can be used for difference fill condition and
Grouting simulation test under soil layer aqueous conditions, assembling and faster and more convenient operation, good sealing effect, slip casting simulation effect connects
Nearly actual conditions, can accurate simulation scene slip casting process, can accurately the stratum gross pressure of simulated field test position and soil layer hole
Gap water pressure, and can accurately determine the protuberance volume of stratum during slip casting and slip casting terminate the displacement of rear excess pore water pressure with
The final protuberance volume on stratum.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is grouting port partial structural diagram in the present invention；
Fig. 3 is the cross section structure schematic diagram of grouting port in the present invention；
Description of symbols in figure：
1-chamber, 2-bearing plate, 21-sealing water proof ring, 3-test soil layer, 31-top geotextiles, 32-under
Portion's geotextiles, 4-base plate, the 5-the first drainpipe, the 51-the second drainpipe, 6-degassing water tank, 61-de aerated water, 7-soil layer
Water inlet pipe, 8-pressurization water inlet pipe, 9-pressure-air air inlet pipe, 91-scale arm, 10-air intake branch, 11-degassing water tank
Water inlet pipe, 12-pressure-air pump, 13-slurry tank, 14-piston pump, 15-Grouting Pipe, 151-slurry reflux pipe, 16-
Grouting port, 161-rubber membrane, 17-grout stop, 18-water pressure gauge, 19-valve, 20-flowmeter, the 22-the first air pressure
Table, 23-pressurization de aerated water, 24-pore pressure gauge, 25-earth pressure gauge, the 26-the first pressure-air pressure regulator valve, 27-the
Two pressure-air pressure regulator valves, the 28-the second air manometer.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in detail with specific embodiment.
Embodiment：
As shown in figure 1, during for simulating slip casting stratum protuberance experimental rig, the device include chamber 1, arrange
In chamber 1 and by the inner chamber of chamber 1 be separated into separate soil layer load chamber and the bearing plate 2 of the water cavity that pressurizes and
The water inflow control system that is connected of pressurization water cavity and pressure-air regulating system, be seated in test soil layer 3 that soil layer loaded in chamber,
The slip casting unit being embedded in test soil layer 3 and the slurries control system being connected with slip casting unit, soil layer loads chamber and passes through
Soil layer water inlet pipe 7 is connected with water inflow control system, and in test soil layer 3 earth pressure gauge 25 and pore pressure gauge are also embedded with
24.Earth pressure gauge 25 and pore pressure gauge 24 are set in test soil layer 3, for measuring slurry consolidation during slurries periphery
The soil pressure of soil layer and pore water pressure change.
Slip casting unit includes traversing the Grouting Pipe 15 for being embedded in the middle part of test soil layer 3, the note for being opened in the middle part of Grouting Pipe 15
Slurry mouth 16 and the grout stop 17 used cooperatively with grouting port 16.As Figure 2-3, grouting port 16 is provided with altogether multiple, and along circle
Week is uniformly laid on the tube wall of Grouting Pipe 15, and the outer side covers of grouting port 16 have rubber membrane 161.
Slurries control system includes slurry tank 13, piston pump 14 and slurry reflux pipe 151, the port of export of slurry tank 13 according to
It is secondary to be connected with piston pump 14, Grouting Pipe 15, and the entrance point for being connected to slurry tank 13 is returned by slurry reflux pipe 151.
Water inflow control system include degassing water tank 6, one end with degassing water tank 6 delivery port be connected, the other end with pressurize
Water cavity be connected pressurization water inlet pipe 8, along water (flow) direction be successively set on pressurization water inlet pipe 8 on flowmeter 20, valve and water
Pressure table 18, degassing water tank 6 is connected by soil layer water inlet pipe 7 with test soil layer 3.One section of pressurization water inlet pipe on pressurization water cavity top
8 are provided with the scale arm 91 for indicated water level.
Pressure-air regulating system includes pressure-air pump 12, pressure-air pump 12 is connected with the water inlet pipe 8 of pressurizeing
Pressure-air air inlet pipe 9, the first pressure-air pressure regulator valve 26 being successively set on along airflow direction in pressure-air air inlet pipe 9 and
First air manometer 22.Pressure-air air inlet pipe 9 is provided with the air intake branch 10 being connected with degassing water tank 6, the air inlet
The second air manometer 28 and the second pressure-air pressure regulator valve 27 are sequentially provided with pipe 10 along airflow direction.
The top surface of test soil layer 3 and bottom surface are respectively equipped with top geotextiles 31, bottom geotextiles 32, the periphery of bearing plate 2
Sealing water proof ring 21 is provided with, pressurization water cavity, soil layer load chamber and further respectively have the first drainpipe 5, the second drainpipe 51.
In the present embodiment, chamber 1 be hollow drum, be from bottom to top base plate 4, test soil layer 3, bearing plate 2 and pressurization
De aerated water 23, the thickness of base plate 4 can be used to adjust the thickness of test soil layer 3, test soil layer 3 and base plate 4, the contact of bearing plate 2
Face is respectively provided with bottom geotextiles 32, top geotextiles 31, prevents soil particle to be lost in, and it is close that the periphery of bearing plate 2 is provided with twice
Envelope water proof ring 21, isolation pressurization de aerated water and test soil layer 3.Draining filter is equipped with first drainpipe 5, the second drainpipe 51
Net, to prevent soil particle flowing water and blocking pipeline.
Grouting Pipe 15 is passed through from the middle part of test soil layer 3, and grouting port 16 is opened in the middle part of Grouting Pipe 15, and grouting port 16 is equal
Cloth aperture, the outer side covers rubber membrane 161 of grouting port 16, apart from the certain distance of grouting port 16 grout stop 17, piston pump are symmetrical arranged
14 extract slurries from slurry tank 13, and by Grouting Pipe 15 from grouting port 16 to slip casting in test soil layer 3, unnecessary slurries are by slurries
Return duct 151 is back in slurry tank 13.
Pressurization water inlet pipe 8 is connected with pressure-air air inlet pipe 9, and high-pressure air pressure is equal with formation testing gross pressure, leads to
Cross the first pressure-air pressure regulator valve 26 to control air pressure；Degassing water tank 6 is by the examination in soil layer water inlet pipe 7 and chamber 1
Test soil layer 3 to be connected, and be connected with the top of chamber 1 by the water inlet pipe 8 that pressurizes, by pressure-air air inlet pipe 9 and pressure-air
Pump 12 is connected.
The present embodiment is used to simulate the method for testing of the experimental rig of stratum protuberance during slip casting, and the method is specifically included
Following steps：
Step (1)：De aerated water 61 is injected into degassing water tank 6 to degassing water tank 6 by the water inlet pipe 11 of the water tank that deaerates
At 2/3 height, assembling chamber 1, and test soil layer 3 is loaded, keep the density of test soil layer 3 identical with live actual density；
Step (2)：Valve on opening pressurization water inlet pipe 8, the water filling in the pressurization water cavity of chamber 1, and by first
Drainpipe 5 adjusts water level at the 2/3 of scale arm 91, is then shut off the valve pressurizeed on water inlet pipe 8, opens the first high pressure empty
Controlled atmosphere pressure valve 26 so that air pressure is equal to the gross pressure on on-the-spot test position stratum；
Step (3)：Adjust the second pressure-air pressure regulator valve 27 on the air intake branch 10 of degassing water tank 6 so that de aerated water
The inner air pressure of case 6 is slightly above the formation pore water pressure of on-the-spot test position, opens the valve on soil layer water inlet pipe 7, degassing
De aerated water in water tank 6 starts to the water-filling of test soil layer 3 in chamber 1, and cause test soil layer 3 in pore water pressure with
On-the-spot test position pore water pressure is equal；
Step (4)：Discharging when there is no longer bubble in the second drainpipe 51, after waterflow stabilization is discharged, illustrating to test in soil layer 3
Gas all discharge, the valve closed on the second drainpipe 51 and soil layer water inlet pipe 7 records degassing water tank 6 and scale
Height of water level in arm 91；
Step (5)：Open piston pump 14 and start slip casting, at regular intervals, record the water level in a scale arm 91
Highly, the reading of the reading of 8 flow meter of pressurization water inlet pipe 20, earth pressure gauge and pore pressure gauge, stratum is grand caused by slip casting
Play cumulative volume and calculate gained with the product of the sectional area of chamber 1 by the lift-off value of the water level of scale arm 91；
Step (6)：After slip casting terminates, the valve on the water inlet pipe of degassing water tank 6 is opened, at regular intervals, record one
It is secondary degassing water tank 6 height of water level and scale arm 91 height of water level, stratum excess pore water displacement by the water tank 6 that deaerates water
Position lift-off value calculates gained, and the final protuberance volume in stratum for scale arm 91 with the product of the sectional area of degassing water tank 6
Initially water level value calculates gained with the difference of final water level value with the product of the sectional area of chamber 1.
The above-mentioned description to embodiment is that invention is understood that and used for ease of those skilled in the art.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel announcement of the invention, the improvement made without departing from scope and modification all should be the present invention's
Within protection domain.
Claims (10)
1. it is used to simulate the experimental rig of stratum protuberance during slip casting, it is characterised in that the device includes chamber, is arranged on
Bearing plate and pressure (hydraulic) water that separate soil layer loads chamber and pressurization water cavity are separated into chamber and by the inner chamber of chamber
Water inflow control system that chamber is connected and pressure-air regulating system, it is seated in test soil layer that soil layer loaded in chamber, is embedded in
The slip casting unit in soil layer and the slurries control system being connected with slip casting unit are tested, described soil layer loads chamber by soil
Layer water inlet pipe is connected with water inflow control system, and in described test soil layer earth pressure gauge and pore pressure gauge are also embedded with.
2. it is according to claim 1 for simulating slip casting during stratum protuberance experimental rig, it is characterised in that it is described
Slip casting unit include traversing the Grouting Pipe being embedded in the middle part of test soil layer, the grouting port that is opened in the middle part of Grouting Pipe and with note
The grout stop that slurry mouth is used cooperatively.
3. it is according to claim 2 for simulating slip casting during stratum protuberance experimental rig, it is characterised in that it is described
Grouting port be provided with multiple altogether, and be circumferentially uniformly laid on the tube wall of Grouting Pipe, the outer side covers of described grouting port have
Rubber membrane.
4. it is according to claim 2 for simulating slip casting during stratum protuberance experimental rig, it is characterised in that it is described
Slurries control system include slurry tank, piston pump and slurry reflux pipe, the port of export of described slurry tank successively with piston
Pump, Grouting Pipe are connected, and the entrance point for being connected to slurry tank is returned by slurry reflux pipe.
5. it is according to claim 1 for simulating slip casting during stratum protuberance experimental rig, it is characterised in that it is described
Water inflow control system include degassing water tank, one end with degassing water tank delivery port be connected, the other end with pressurize water cavity be connected
Logical pressurization water inlet pipe, flowmeter, valve and the water pressure gauge being successively set on along water (flow) direction on pressurization water inlet pipe, described is de-
Air water case is connected by soil layer water inlet pipe with test soil layer.
6. it is according to claim 5 for simulating slip casting during stratum protuberance experimental rig, it is characterised in that it is described
One section of pressurization water inlet pipe on pressurization water cavity top be provided with scale arm for indicated water level.
7. it is according to claim 5 for simulating slip casting during stratum protuberance experimental rig, it is characterised in that it is described
Pressure-air regulating system include pressure-air pump, by pressure-air pump and the pressure-air air inlet that is connected of water inlet pipe of pressurizeing
Pipe, the first pressure-air pressure regulator valve being successively set on along airflow direction in pressure-air air inlet pipe and the first air manometer.
8. it is according to claim 7 for simulating slip casting during stratum protuberance experimental rig, it is characterised in that it is described
Pressure-air air inlet pipe be provided with and the degassing air intake branch that is connected of water tank, set successively along airflow direction on the air intake branch
There are the second air manometer and the second pressure-air pressure regulator valve.
9. it is according to claim 1 for simulating slip casting during stratum protuberance experimental rig, it is characterised in that it is described
Test soil layer top surface and bottom surface be respectively equipped with top geotextiles, bottom geotextiles, the periphery of described bearing plate is provided with close
Envelope water proof ring, described pressurization water cavity, soil layer load chamber and further respectively have the first drainpipe, the second drainpipe.
10. as described in any one of claim 1 to 9 for simulating slip casting during stratum protuberance experimental rig test side
Method, it is characterised in that the method specifically includes following steps：
Step (1)：Inject into degassing water tank at 2/3 height of de aerated water to the water tank that deaerates, assembling chamber, and load test
Soil layer, keeps the density of test soil layer identical with live actual density；
Step (2)：Valve on opening pressurization water inlet pipe, the water filling in the pressurization water cavity of chamber, and by the first drainpipe
Water level is adjusted at the 2/3 of scale arm, the valve pressurizeed on water inlet pipe is then shut off, the first pressure-air pressure regulator valve is opened,
So that air pressure is equal to the gross pressure on on-the-spot test position stratum；
Step (3)：Adjust the second pressure-air pressure regulator valve on degassing water tank air intake branch so that degassing water tank inner air pressure
Slightly above the formation pore water pressure of on-the-spot test position, opens the valve on soil layer water inlet pipe, the de aerated water deaerated in water tank
Start to the test soil layer water-filling in chamber, and cause the pore water pressure and on-the-spot test position pore water in test soil layer
Pressure is equal；
Step (4)：Discharging when there is no longer bubble in the second drainpipe, after waterflow stabilization is discharged, illustrating to test the gas in soil layer
All discharge, the valve on the second drainpipe of closing and soil layer water inlet pipe, record degassing water tank and the water in scale arm
Position height；
Step (5)：Open piston pump and start slip casting, at regular intervals, record height of water level, the pressurization in a scale arm
The reading of water inlet pipe flow meter reading, earth pressure gauge and pore pressure gauge, stratum protuberance cumulative volume is by carving caused by slip casting
The lift-off value of degree arm water level calculates gained with the product of the sectional area of chamber；
Step (6)：After slip casting terminates, the valve on the water inlet pipe of degassing water tank is opened, at regular intervals, record once deaerates
The height of water level of water tank and the height of water level of scale arm, stratum excess pore water displacement by the water tank that deaerates water level lift-off value with
The product of the sectional area of degassing water tank calculates the initial water level value and most of gained, and the final protuberance volume in stratum for scale arm
The difference of whole water level value calculates gained with the product of the sectional area of chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243568.1A CN106645582B (en) | 2016-12-29 | 2016-12-29 | For simulating the experimental rig and its method of testing that stratum is swelled during slip casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243568.1A CN106645582B (en) | 2016-12-29 | 2016-12-29 | For simulating the experimental rig and its method of testing that stratum is swelled during slip casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106645582A true CN106645582A (en) | 2017-05-10 |
| CN106645582B CN106645582B (en) | 2018-03-16 |
Family
ID=58835856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611243568.1A Expired - Fee Related CN106645582B (en) | 2016-12-29 | 2016-12-29 | For simulating the experimental rig and its method of testing that stratum is swelled during slip casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106645582B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717039A (en) * | 2018-05-31 | 2018-10-30 | 西安建筑科技大学 | A kind of marginal test analog machine of infiltration fracture grouting |
| CN108761040A (en) * | 2018-06-04 | 2018-11-06 | 龙岩学院 | Slurry filling imitation device with pressure and its application method in a kind of restricted clearance |
| CN108918390A (en) * | 2018-08-10 | 2018-11-30 | 河海大学 | The device and method of mud film forming and measurement mud film amounts of consolidation, air inflow |
| CN108956105A (en) * | 2018-05-16 | 2018-12-07 | 福州大学 | Technology of Deepwater Mooring System body bearing capacity simulation test device and test method |
| CN109883887A (en) * | 2019-03-27 | 2019-06-14 | 长安大学 | A kind of highway subgrade horizontal grouting can infuse system safety testing device and evaluation method |
| CN110296914A (en) * | 2019-07-24 | 2019-10-01 | 东北大学 | A kind of arenaceous stratum grouting simulation test system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203881763U (en) * | 2014-04-30 | 2014-10-15 | 山东大学 | Three-dimensional visualization flowing-water grouting model test system |
| CN104655803A (en) * | 2015-01-30 | 2015-05-27 | 北京交通大学 | Tunnel grouting model testing device |
| CN205080105U (en) * | 2015-09-14 | 2016-03-09 | 中国矿业大学 | Indoor simulation concrete slip casting device |
-
2016
- 2016-12-29 CN CN201611243568.1A patent/CN106645582B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203881763U (en) * | 2014-04-30 | 2014-10-15 | 山东大学 | Three-dimensional visualization flowing-water grouting model test system |
| CN104655803A (en) * | 2015-01-30 | 2015-05-27 | 北京交通大学 | Tunnel grouting model testing device |
| CN205080105U (en) * | 2015-09-14 | 2016-03-09 | 中国矿业大学 | Indoor simulation concrete slip casting device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956105A (en) * | 2018-05-16 | 2018-12-07 | 福州大学 | Technology of Deepwater Mooring System body bearing capacity simulation test device and test method |
| CN108717039A (en) * | 2018-05-31 | 2018-10-30 | 西安建筑科技大学 | A kind of marginal test analog machine of infiltration fracture grouting |
| CN108717039B (en) * | 2018-05-31 | 2020-08-21 | 西安建筑科技大学 | Critical test simulation equipment for permeation splitting grouting |
| CN108761040A (en) * | 2018-06-04 | 2018-11-06 | 龙岩学院 | Slurry filling imitation device with pressure and its application method in a kind of restricted clearance |
| CN108918390A (en) * | 2018-08-10 | 2018-11-30 | 河海大学 | The device and method of mud film forming and measurement mud film amounts of consolidation, air inflow |
| CN108918390B (en) * | 2018-08-10 | 2023-11-07 | 河海大学 | Device and method for forming mud film and measuring consolidation amount and air inflow of mud film |
| CN109883887A (en) * | 2019-03-27 | 2019-06-14 | 长安大学 | A kind of highway subgrade horizontal grouting can infuse system safety testing device and evaluation method |
| CN109883887B (en) * | 2019-03-27 | 2022-05-31 | 长安大学 | Highway subgrade horizontal grouting injectability testing device and evaluation method |
| CN110296914A (en) * | 2019-07-24 | 2019-10-01 | 东北大学 | A kind of arenaceous stratum grouting simulation test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106645582B (en) | 2018-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106645582B (en) | For simulating the experimental rig and its method of testing that stratum is swelled during slip casting | |
| CN104121023B (en) | Testing arrangement and the method for excavation face mud film value of holding one's breath that slurry shield is with pressure while opening the cabin | |
| CN109975192B (en) | Permeation measurement device and method for layered sand migration process under different permeation gradients | |
| CN110082275A (en) | It is large-scale simple with the vertical seepage deformation tester of coarse-grained soil and test method | |
| CN105334142B (en) | A kind of experimental provision formed for simulating shield mud film | |
| CN106814016A (en) | The analogy method of slurry filling imitation device | |
| CN105092798B (en) | Recharge system and test method in one kind simulation varying head permeable ground diving stratum room | |
| CN107192811A (en) | A kind of latent erosion visual measuring device of level of large deformation totally-enclosed | |
| CN106769747B (en) | The experimental rig and its test method that soil body inflation resistance is seeped | |
| CN103926182B (en) | Permeability coefficient test method and test device under normal pressure | |
| CN109342150A (en) | A kind of experimental rig and method for gassiness soil sample consolidation test and permeability test | |
| CN106840977A (en) | Slurry filling imitation device | |
| CN108318396A (en) | Test method of tailing dam seepage field similarity simulation test system | |
| CN108918390B (en) | Device and method for forming mud film and measuring consolidation amount and air inflow of mud film | |
| CN203132854U (en) | Test device used for simulating stratum deformation triggered by subway shield tunnel construction | |
| CN206470116U (en) | A kind of experimental rig for simulating the lower basement bottom board stress of artesian water effect | |
| CN105043960A (en) | Improved soil mass combined consolidation permeameter | |
| CN208847582U (en) | Thief zone sand-pebble layer earth pressure balanced shield, EPBS consolidates permeability experimental facility | |
| CN106768153B (en) | A kind of slurry consolidation cubical contraction test device and method of testing | |
| CN104730223B (en) | Volume change considering expansive soil SWCC curve testing apparatus and volume change considering expansive soil SWCC curve testing method | |
| CN103926183A (en) | Testing method and device for water passing amount under normal pressure | |
| CN113552037B (en) | Device and method for testing dual-porosity seepage parameters of garbage | |
| CN114324113A (en) | Test device and method for measuring permeability coefficient and permeability path of soil-structure interface | |
| CN209327074U (en) | A kind of experimental rig for gassiness soil sample consolidation test and permeability test | |
| CN110658120B (en) | Method and device for testing permeability coefficient of foam-improved sandy residue soil under high water pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20180316 Termination date: 20211229 |