CN110044713A - A kind of the piston vapour-pressure type consolidation testing device and method of grouting behind shaft or drift lining slurries - Google Patents
A kind of the piston vapour-pressure type consolidation testing device and method of grouting behind shaft or drift lining slurries Download PDFInfo
- Publication number
- CN110044713A CN110044713A CN201910326155.7A CN201910326155A CN110044713A CN 110044713 A CN110044713 A CN 110044713A CN 201910326155 A CN201910326155 A CN 201910326155A CN 110044713 A CN110044713 A CN 110044713A
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- piston
- slurries
- consolidation
- pressure
- test
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
The invention discloses a kind of piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries and method, experimental rig includes pressure feeding mechanism, test cylinder, backpressure device, detection components；Test cylinder includes stratum filling room, slurry consolidation drip chamber, piston pressurization room, and stratum filling room is connected with slurry consolidation drip chamber, is separated between slurry consolidation drip chamber and piston pressurization room by piston；Test method includes filtering layer merging, experimental field stratification enters, tests slurries merging, piston merging, slurry consolidation draining, measurement test parameters.The present invention is through piston effect on slurries, and the upper surface of slurries remains horizontal in consolidation process, and the decrement for overcoming slurries in the prior art is difficult to the problem obtained.
Description
Technical field
The present invention relates to the experimental rig of underground engineering field and methods, more particularly to a kind of work of grouting behind shaft or drift lining slurries
Fill in vapour-pressure type consolidation testing device and method.
Background technique
With the construction of big and medium-sized cities subway in the whole country, shield method is increasingly becoming the Construction of City Tunnel side of mainstream
Method.In the tunneling process of shield machine, due to having reserved certain assembled space between section of jurisdiction and shield shell, the gap of formation is general
It is filled by synchronous grouting, to prevent excessive Stress relieving of surrounding rocks and foundation deformation.Growing transport need is compeled
Develop shield tunnel towards the direction of great burying, major diameter, long range.Grouting behind shaft or drift lining process has concealment, slurries injection
Concretion state behind gap is unknown, relies on construction experience to the selection of grouting parameter in work progress more, lack it is theoretical according to
According to.Therefore, the selection of grouting serous fluid type, proportion has been increasingly becoming the problem for enduring concern to the fullest extent.
Currently, for the decrement of slurries in the consolidation process of grouting behind shaft or drift lining slurries, pore water pressure dissipation rule and
The measurement of the strength development rule of slurries depends on laboratory test, using small-sized consolidation device to decrement in consolidation process
And pore water pressure is monitored, and the slurry samples maintenance for taking consolidation to complete is to obtain strength development rule.
Publication No. is the patent document of CN106970181A, and it is solid to provide a kind of draining of grouting behind shaft or drift lining slurries in the earth formation
Tie experimental rig and method.But the technical solution of the patent is to fill sample rear slurry using flexible rubber membrane as air pressure pressurized plane
Upper surface out-of-flatness, be the average settlement amount of entire section by the consolidation settlement that U-tube is read, and the surface of slurries is not
It is flat, it is difficult to obtain accurate pulp level, therefore can not accurately obtain bulk strain amount of the slurries in consolidation process；The patent
Technical solution uses upper, middle, and lower part barrel designs, and three parts cylinder just can be used connecting column and carry out tightly after being installed
Gu；Therefore when stratum is saturated, drainage easily occurs from lower shell bottom, influences stratum saturation degree；The technical side of the patent
Case is first construction opening latex film when loading slurries, then slurry is packed into slurry consolidation drip chamber from the opening of latex film
Liquid, being finally vented again by screw-fashion and fastening latex film prevents gas leakage, and barrel diameter is small, and operating difficulties is cumbersome, and easily
Generate gas residue；The device barrel diameter is small, complete one group 3 days, 7 days, the test of 28 days slurry intensities needs to take 6 cutting rings
Sample at least needs to carry out 3 groups of duplicate consolidation tests, and tested number is big and is also easy to produce error.
Summary of the invention
Goal of the invention: the purpose of the present invention is aiming at the shortcomings in the prior art, provide a kind of work of grouting behind shaft or drift lining slurries
Vapour-pressure type consolidation testing device and method are filled in, carries out discharging consolidation using piston pressurization, the experimental rig and method can be to shields
Structure tunnel, rock mass reinforcing, slurries used in petroleum works discharging consolidation process carry out simulation test.
Technical solution: the present invention provides a kind of piston vapour-pressure type consolidation testing devices of grouting behind shaft or drift lining slurries, including pressure
Power supply unit, test cylinder, backpressure device, detection components；The pressure feeding mechanism is for providing air pressure；Test cylinder from down toward
On be followed successively by for load test stratum stratum filling room, for load test slurries slurry consolidation drip chamber and piston add
Pressure chamber, stratum filling room is connected with slurry consolidation drip chamber, between the slurry consolidation drip chamber and piston pressurization room
It is separated by piston, the piston pressurization room is connected with the pressure feeding mechanism, the gas for providing pressure feeding mechanism
Pressure acts on piston and provides top-down normal pressure to the test slurries；Backpressure device and pressure feeding mechanism and ground
Floor loads room and is connected, and the air pressure for providing the pressure feeding mechanism is converted into hydraulic and provides certainly to the test stratum
Counter-pressure on down；Detection components are used to detect the relevant parameter of grouting serous fluid.
Further, the test cylinder includes the internal lower shell for forming stratum filling room, is detachably connected to lower cylinder
On body and inside forms the upper shell of slurry consolidation drip chamber and piston pressurization room.Take the structure, can carry out respectively filtering layer,
It tests stratum and tests the filling of slurries, convenient filling and loadings are controllable；Tube structure is simple, and test operation is convenient and efficient.
Preferably, the top of the piston is equipped with the sealing screw rod for running through the gas vent of piston and being adapted to gas vent.It is living
Gas between plug bottom and slurries upper surface can be discharged by gas vent, and gas vent, which is used, to be screwed into complete using sealing screw rod
Sealing.
Preferably, the piston is equipped with the sealing ring of sealing cooperation.Sealing ring uses so that sealing performance is more preferable.
Preferably, the upper surface of the piston is equipped with handle.Handle is connect with piston space by screw rod, convenient for putting for piston
Enter and takes out.
Preferably, the lower shell and upper shell use flanged joint.
Preferably, the handle is connect with piston thread.
The present invention also provides a kind of piston vapour-pressure type consolidation test method of grouting behind shaft or drift lining slurries in the earth formation, including such as
Lower step: it is indoor that bulky grain material or geotechnique step 1, filtering layer merging: are arranged into stratum filling；
Step 2, experimental field stratification enters: it is indoor that stratum needed for testing is packed into stratum filling, and hits real saturation；
Step 3, test slurries merging: injection testing slurries in Xiang Suoshu slurry consolidation drip chamber；
Step 4, piston merging: it is placed in piston at the top of from device, presses piston into piston pressurization room；
Step 5, slurry consolidation draining: air is injected from the pressure feeding mechanism to piston pressurization ceiling portion, is led to
It crosses piston and pressure is reached into test slurries, normal pressure is provided；Water is injected from the backpressure device to stratum filling room bottom,
Counter-pressure is provided；
Step 6, measurement slurries decrement: observation piston base Starch Level height change obtains the consolidation decrement of slurries；
Step 7, measurement slurry infiltration coefficient and intensity: after the completion of consolidation, taking slurries sample to carry out infiltration coefficient using cutting ring,
Its intensity is measured after maintenance.
Preferably, it is grouting behind shaft or drift lining slurries used in Practical Project that slurries are tested in the step 3.
Preferably, lubricating grease is smeared in the step 4 between the outer wall of piston and the inner wall of the piston pressurization room to carry out
Lubrication sealing.Lubricating grease can be silicone grease.
Inventive principle: the setting of backpressure device in the present invention corresponds to so that the pore water in stratum has initial pressure
Groundwater pressure in practice of construction can more really simulate slurries in the consolidation draining process of underground；Piston pressurization room
In, the gas pressure that pressure feeding mechanism provides is on piston, then pressure is reached to by piston the upper surface of slurries, consolidation draining
In the process, the pressure that slurries are subject to is acted on always on a horizontal plane, so that the reading of pulp level and decrement is more convenient
Accurately；Piston is surrounded by sealing ring, and smears lubricating grease during the test, when piston moves in upper shell always with cylinder
It shows consideration for and closes, keep air-tightness；Piston pressurization room is connected with pressure control unit, can provide the gas of any number by regulator
Pressure pressure size is to meet the test for different slip casting processes.
The utility model has the advantages that compared with prior art,
(1) the piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries provided by the invention, air pressure pass through piston effect
On slurries, the upper surface of slurries remains horizontal in consolidation process, and the height of slurries can be with precise measurement, can be accurate
Bulk strain of the slurries in consolidation process is obtained, overcome only can get the consolidation settlement of slurries and be difficult in the prior art
Obtain the problem of precise volumes strain；
(2) load of pressure is realized using air pressure, the size of pressure is controllable and operation is convenient；
(3) experimental rig is only divided into lower shell, and structure is simple, is substantially shorter test and prepares required time；
(4) after the completion of slurries filling, extremely exhaust is can be completed into slurries face contact in piston push-in upper shell, was sealed
Journey, it is easy to operate, overcome the operation difficulties for completing sealing exhaust by fastening rubber membrane in the prior art；
(5) lower shell is respectively provided with fastening screw on, can be fastened after completing stratum filling, ensure that stratum is saturated
When cylinder leakproofness, overcome in the prior art stratum saturation when lower shell seep water the problem of；
(6) barrel diameter is big, and a consolidation test can take 6 cutting ring samples, the intensity after carrying out maintenance in 3,7,28 days
Test, and barrel diameter is small in the prior art, and needing to carry out 3 repetition tests could take out 6 cutting ring samples, tested number greatly and
It is also easy to produce error.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of experimental rig；
Fig. 2 is the main view of piston；
Fig. 3 is the top view of piston.
Specific embodiment
Below with reference to embodiment, the invention will be further described.
As shown in Figure 1, the present invention includes test cylinder, backpressure device, pressure feeding mechanism and detection components.
Pressure feeding mechanism is to illustrate upper left device, for providing air pressure.Pressure feeding mechanism includes air compression
Machine 22, the pressure control unit 1 being connected to air compressor 22, both ends connect with pressure control unit 1 and piston pressurization room respectively
The first logical air inlet pipe 2, the second air inlet pipe 3 that both ends are connected to pressure control unit 1 and backpressure device top plate 21 respectively.
Test cylinder is the cylinder on right side in diagram, and the A in figure is test stratum, and B is test slurries.Test cylinder is from bottom to top
It is followed successively by the stratum filling room for loading test stratum, slurry consolidation drip chamber and piston pressurization for loading test slurries
Room, stratum filling room be connected with slurry consolidation drip chamber, between slurry consolidation drip chamber and piston pressurization room by piston 8 every
It opens, piston pressurization room is connected with the pressure feeding mechanism, and the gas pressure for providing pressure feeding mechanism is in piston 8
And top-down normal pressure is provided to the test slurries.The structure is taken, filtering layer, test stratum and examination can be carried out respectively
Test the filling of slurries, convenient filling and loadings are controllable.Tube structure is simple, and test operation is convenient and efficient.Test cylinder includes bottom
Seat 17, the lower shell 18 that is detachably connected on pedestal 17, the third ring flange 15 being detachably connected on lower shell 18,
Upper shell 13, the first flange disk 5 being removably attachable on upper shell 13 and second flange disk 10.Upper shell 13, the first method
Entirety is connected as using the first screw rod 6 between blue disk 5 and second flange disk 10；Lower shell 18, bottom plate 17 and third ring flange 15
Between entirety is connected as using the second screw rod 16.When installation, adopted between upper shell 13 and first flange disk 5, second flange disk 10
It is linked to be entirety with four first screw rods 6 and bolt；Four second are used between lower shell 18 and pedestal 17 and third ring flange 15
Screw rod 16 and bolt are linked to be entirety.First screw rod 6 is staggered at the top of second flange disk 10 with the second screw rod 16, fills completing stratum
Lower shell 18 can be fastened using four second screw rods after filling out, and then water will not be from lower shell bottom during saturation stratum
Portion's extravasation, to influence the saturation degree on stratum.
Backpressure device includes bottom plate 19, the cylinder being connected on bottom plate 19 20, the top plate 21 being connected on cylinder 20, back-pressure
Device bottom plate 19, cylinder 20 and top plate 21 are connected as entirety using four screw rods, the bottom plate 19 of backpressure device using plastic pipe with
Consolidation device pedestal 17 is connected.Water is housed, C is water as shown in figure 1 inside backpressure device.Be connected at the top of backpressure device second into
Tracheae 3, backpressure device are connected with pressure feeding mechanism and stratum filling room, the air pressure for providing the pressure feeding mechanism
It is converted into counter-pressure hydraulic and to the offer of test stratum from bottom to top.
Detection components include for detecting in the present embodiment for detecting one or more parameters relevant to discharging consolidation
Load the pore pressure meter 14 of room, slurry consolidation draining chamber pressure in stratum.Pore pressure meter is located at stratum filling room and slurry consolidation drip chamber
Medium position, be connected with inner barrel, the pore water pressure of inner barrel can measure in real time, the acquisition time of pore pressure data
Between be divided into 5 seconds, until data acquisition is completed when pore pressure reading is 0.
It is as shown in Figure 2,3 piston 8, the top of piston 8 is equipped with the gas vent 12 for running through piston 8 and is adapted to gas vent 12
Sealing screw rod 11, piston 8 be equipped with sealing cooperation two sealing rings 9, piston 8 select side wall have twice groove diameter
150mm, the round plastic piston 8 with a thickness of 40mm, set that there are two rubber seal 9 in groove.At the upper surface center of piston 8
Equipped with steel handle 7, connected between handle 7 and piston 8 by screw rod, being put into and taking out convenient for piston 8；When piston 8 is put into
When cylinder 13, the gas between 8 bottom of piston and slurries upper surface can be discharged by gas vent 12, and gas vent 12 is using using close
Envelope screw rod 11 is screwed into complete to seal.
Experimental rig in the present embodiment carries out the tool of the piston vapour-pressure type consolidation test of grouting behind shaft or drift lining slurries in the earth formation
Body method step includes:
Step 1, filling test stratum: lower shell 18 is fixed on bottom plate 17, third ring flange 15 is fixed to lower shell
On 18 and rubber seal is used, bulky grain material or geotextiles are first inserted in lower shell 18 as filtering layer, then will test
Required stratum is packed into lower shell 18, uses reversed saturation by backpressure device, is from bottom to top saturated to test stratum.
Step 2, filling test slurries: upper shell 13, first flange disk 5 and second flange disk 10 are passed through into the first screw rod 6
It is connected, and bottom plate 17, lower shell 18, third ring flange 15 is connected by the second screw rod 16 with second flange disk 10, from first
The opening of ring flange 5 is packed into test slurries, and is tamped using vibrating spear.
Step 3 is packed into piston: after test slurry surface is smooth, round rubber circle 9 is packed into the sidewall notches of piston 8,
And silicone grease is smeared in the inner wall of piston outer wall Yu piston pressurization room, gas vent 12 is opened, by the opening from first flange disk 5 of piston 8
It is packed into piston pressurization room at mouthful, after 8 bottom surface of piston and slurries upper surface come into full contact with, gas vent is closed using sealing screw rod 11
12。
Step 4, slurries discharging consolidation: closing top plate 23, set normal pressure and counter-pressure by pressure control unit 1,
The valve 4 in the first air inlet pipe 2 and the second air inlet pipe 3 is opened, after the reading of pore pressure meter 9 reaches setting pressure, is opened on bottom plate
Water discharging valve 4 carry out the discharging consolidation processes of slurries, positive pressure sets according to grouting pressure, and back-pressure is carried out according to groundwater pressure
Setting.
Step 5, the measurement of slurries decrement: when the reading of pore pressure meter 9 is 0, the height of slurries is read, is compared with initial value
Pulp hydraulic compression amount, and record the data of slurries displacement.
Step 6, infiltration coefficient and strength detection: after the completion of slurry consolidation, top plate 23 is opened, piston 8 is taken out, unscrews second
Bolt on ring flange 10 takes out the slurries that consolidation is completed from the bottom of upper shell 13, cuts sample for permeating using cutting ring
Strength detection under coefficient and different curing times.
Claims (10)
1. a kind of piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries, it is characterised in that: including pressure feeding mechanism, examination
Test cylinder, backpressure device, detection components；The pressure feeding mechanism is for providing air pressure；
The test cylinder is followed successively by the stratum filling room for loading test stratum, the slurry for loading test slurries from bottom to top
Liquid consolidation draining room and piston pressurization room, stratum filling room are connected with slurry consolidation drip chamber, the slurry consolidation row
It is separated between water chamber and piston pressurization room by piston (8), the piston pressurization room is connected with the pressure feeding mechanism, is used for
The gas pressure that pressure feeding mechanism is provided provides top-down normal pressure on piston (8) and to the test slurries；
The backpressure device is connected with pressure feeding mechanism and stratum filling room, the gas for providing the pressure feeding mechanism
Pressure is converted into counter-pressure hydraulic and to test stratum offer from bottom to top；
The detection components are used to detect the relevant parameter of grouting serous fluid.
2. the piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries according to claim 1, it is characterised in that: described
Test cylinder includes the internal lower shell (18) for forming stratum filling room, is detachably connected on lower shell (18) and internal formation
The upper shell (13) of slurry consolidation drip chamber and piston pressurization room.
3. the piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries according to claim 1, it is characterised in that: described
The top of piston (8) is equipped with the sealing screw rod (11) for running through the gas vent (12) of piston (8) and being adapted to gas vent (12).
4. the piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries according to claim 1, it is characterised in that: described
Piston (8) is equipped with the sealing ring (9) of sealing cooperation.
5. the piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries according to claim 1, it is characterised in that: described
The upper surface of piston (8) is equipped with handle (7).
6. the piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries according to claim 2, it is characterised in that: described
Lower shell (18) and upper shell (13) use flanged joint.
7. the piston vapour-pressure type consolidation testing device of grouting behind shaft or drift lining slurries according to claim 5, it is characterised in that: described
Handle (7) is threadedly coupled with piston (8).
8. a kind of grouting behind shaft or drift lining slurries piston air pressure in the earth formation using experimental rig described in any one of claim 1~7
Formula consolidation test method, it is characterised in that: the test method includes the following steps,
Step 1, filtering layer merging: it is indoor that bulky grain material or geotechnique are arranged into stratum filling；
Step 2, experimental field stratification enters: it is indoor that stratum needed for testing is packed into stratum filling, and hits real saturation；
Step 3, test slurries merging: injection testing slurries in Xiang Suoshu slurry consolidation drip chamber；
Step 4, piston merging: it is placed in piston at the top of from device, presses piston into piston pressurization room；
Step 5, slurry consolidation draining: air is injected from the pressure feeding mechanism to piston pressurization ceiling portion, passes through work
Pressure is reached test slurries by plug, provides normal pressure；Water is injected from the backpressure device to stratum filling room bottom, is provided
Counter-pressure；
Step 6, measurement slurries decrement: observation piston base Starch Level height change obtains the consolidation decrement of slurries；
Step 7, measurement slurry infiltration coefficient and intensity: after the completion of consolidation, slurries sample is taken to carry out infiltration coefficient, maintenance using cutting ring
After measure its intensity.
9. a kind of grouting behind shaft or drift lining slurries according to claim 8 piston vapour-pressure type consolidation test method in the earth formation, special
Sign is: it is grouting behind shaft or drift lining slurries used in Practical Project that slurries are tested in the step 3.
10. a kind of grouting behind shaft or drift lining slurries according to claim 8 piston vapour-pressure type consolidation test method in the earth formation, special
Sign is: in the step 4 between the outer wall of piston (8) and the inner wall of the piston pressurization room smear lubricating grease be lubricated it is close
Envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326155.7A CN110044713A (en) | 2019-04-22 | 2019-04-22 | A kind of the piston vapour-pressure type consolidation testing device and method of grouting behind shaft or drift lining slurries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326155.7A CN110044713A (en) | 2019-04-22 | 2019-04-22 | A kind of the piston vapour-pressure type consolidation testing device and method of grouting behind shaft or drift lining slurries |
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| Publication Number | Publication Date |
|---|---|
| CN110044713A true CN110044713A (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910326155.7A Pending CN110044713A (en) | 2019-04-22 | 2019-04-22 | A kind of the piston vapour-pressure type consolidation testing device and method of grouting behind shaft or drift lining slurries |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816362A (en) * | 2021-01-13 | 2021-05-18 | 大连理工大学 | Variable multifunctional grouting and foundation reinforcing experimental equipment and method |
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| PL332978A1 (en) * | 1999-05-04 | 2000-11-06 | Politechnika Wroclawska | Moulding machine head in particular that for dynamically compacting moulding sand mixes |
| CN106092853A (en) * | 2016-06-07 | 2016-11-09 | 长安大学 | A kind of soil mass water air humidity falls into consolidation infiltration simultaneous determination instrument |
| CN106769772A (en) * | 2017-01-11 | 2017-05-31 | 河海大学 | The device and its monitoring method of real-time monitoring dry ground consolidation process |
| CN106970181A (en) * | 2017-04-07 | 2017-07-21 | 河海大学 | A kind of drainage consolidation test device and method of grouting behind shaft or drift lining slurries in the earth formation |
| CN107356508A (en) * | 2017-07-13 | 2017-11-17 | 中国地质大学（武汉） | It is a kind of to simulate the device that mud sample deposit changes under natural geology depositional environment |
| CN208206964U (en) * | 2018-01-19 | 2018-12-07 | 合肥工业大学 | Simulate high-pressure slip-casting device under buried stratum river channels |
| CN109342150A (en) * | 2018-12-19 | 2019-02-15 | 中国科学院武汉岩土力学研究所 | A kind of experimental rig and method for gassiness soil sample consolidation test and permeability test |
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2019
- 2019-04-22 CN CN201910326155.7A patent/CN110044713A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL332978A1 (en) * | 1999-05-04 | 2000-11-06 | Politechnika Wroclawska | Moulding machine head in particular that for dynamically compacting moulding sand mixes |
| CN106092853A (en) * | 2016-06-07 | 2016-11-09 | 长安大学 | A kind of soil mass water air humidity falls into consolidation infiltration simultaneous determination instrument |
| CN106769772A (en) * | 2017-01-11 | 2017-05-31 | 河海大学 | The device and its monitoring method of real-time monitoring dry ground consolidation process |
| CN106970181A (en) * | 2017-04-07 | 2017-07-21 | 河海大学 | A kind of drainage consolidation test device and method of grouting behind shaft or drift lining slurries in the earth formation |
| CN107356508A (en) * | 2017-07-13 | 2017-11-17 | 中国地质大学（武汉） | It is a kind of to simulate the device that mud sample deposit changes under natural geology depositional environment |
| CN208206964U (en) * | 2018-01-19 | 2018-12-07 | 合肥工业大学 | Simulate high-pressure slip-casting device under buried stratum river channels |
| CN109342150A (en) * | 2018-12-19 | 2019-02-15 | 中国科学院武汉岩土力学研究所 | A kind of experimental rig and method for gassiness soil sample consolidation test and permeability test |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816362A (en) * | 2021-01-13 | 2021-05-18 | 大连理工大学 | Variable multifunctional grouting and foundation reinforcing experimental equipment and method |
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Application publication date: 20190723 |
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