CN113218837A - Chemical grouting device and test method for soft soil chemical electroosmosis reinforcement test - Google Patents
Chemical grouting device and test method for soft soil chemical electroosmosis reinforcement test Download PDFInfo
- Publication number
- CN113218837A CN113218837A CN202110434804.2A CN202110434804A CN113218837A CN 113218837 A CN113218837 A CN 113218837A CN 202110434804 A CN202110434804 A CN 202110434804A CN 113218837 A CN113218837 A CN 113218837A
- Authority
- CN
- China
- Prior art keywords
- electroosmosis
- grouting
- test box
- detection device
- chemical
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 239000002689 soil Substances 0.000 title claims abstract description 59
- 239000000126 substance Substances 0.000 title claims abstract description 53
- 238000005370 electroosmosis Methods 0.000 title claims abstract description 43
- 230000002787 reinforcement Effects 0.000 title claims abstract description 21
- 238000010998 test method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 239000002002 slurry Substances 0.000 claims abstract description 28
- 239000011148 porous material Substances 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 5
- 238000005342 ion exchange Methods 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000011440 grout Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000007569 slipcasting Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- 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
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Sampling And Sample Adjustment (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a chemical grouting device for a soft soil chemical electroosmosis reinforcement test, which comprises a test box, wherein the bottom of the test box is provided with a filter plate with a hole and a water outlet, a water collecting device is arranged below the water outlet, the inner side wall of the test box is provided with an electrode plate connected with a direct current power supply, and the outside of the test box is provided with a slurry circulating pool connected with a grouting pipe and a grouting pump; a temperature control pipe is arranged on the filter plate with the hole and is connected with a temperature control device; a water level detection device is arranged in the water collection device, a pore pressure detection device is arranged in the test box, and a weight detection device is arranged at the bottom of the outer side of the test box; the temperature control device, the water level detection device, the pore pressure detection device and the weight detection device are all connected with the measurement and control system through the data acquisition unit; also discloses a test method for carrying out the chemical electroosmosis reinforcement on the soft soil by adopting the chemical grouting device. The device can collect and control main parameters of the soft soil chemical electroosmosis process, can be used for researching the soft soil electroosmosis rule under different chemical grouting materials, effectively shortens electroosmosis time, reduces electroosmosis energy consumption and enhances electroosmosis effect.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering electroosmosis tests, in particular to a chemical grouting device and a test method for a soft soil chemical electroosmosis reinforcement test.
Background
The electroosmosis method and the chemical grouting are combined for use, so that the electroosmosis reinforcement application has higher research value. In order to shorten the electroosmosis time and increase the strength of the soil body after the test, chemical slurry is injected into the soil, along with the electroosmosis effect, the strength of the soil body comes from the electroosmosis drainage consolidation effect, and the slurry can be injected to promote ion exchange and cementation hardening to generate gel substances, fill soil pores and consolidate clay particles, so that the aim of improving the strength of the soil body is fulfilled.
At present, the research of chemical grouting is only limited to inorganic grouting materials, and the variety of the grouting materials is wide. The electroosmosis effect is different under different grouting materials, and the use in engineering necessarily causes the solution to lack of persuasion, so the method has important significance for the research of chemical electroosmosis. In order to perfect the scientific tightness of the chemoelectroosmosis and facilitate the implementation of the chemoelectroosmosis test, a chemical grouting device used in the soft soil chemoelectroosmosis reinforcement test is urgently needed.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the background art, the first purpose of the invention is to disclose a chemical grouting device used in a soft soil chemical electroosmosis reinforcement test; the second purpose is to disclose a test method for soft soil chemical electroosmosis strengthening chemical grouting by adopting the device.
The technical scheme is as follows: the chemical grouting device for the soft soil chemical electroosmosis reinforcement test comprises a test box, wherein a perforated filter plate and a water outlet are arranged at the bottom of the test box, a soil sample is placed above the perforated filter plate, a water collecting device is arranged below the water outlet, an electrode plate is arranged on the inner side wall of the test box and is connected with a direct current power supply, a slurry circulating pool is arranged outside the test box, a grouting pipe and a grouting pump are connected to the slurry circulating pool, and slurry in the slurry circulating pool is injected into the soil sample through the grouting pump;
a temperature control pipe is laid on the upper part of the filter plate with the hole and is connected with a temperature control device;
a water level detection device is arranged in the water collecting device;
a pore pressure detection device is arranged in the test box;
the bottom of the outer side of the test box is provided with a weight detection device;
the test device also comprises a data acquisition unit and a measurement and control system, wherein the temperature control device, the water level detection device, the pore pressure detection device and the weight detection device are all connected with the measurement and control system through the data acquisition unit.
Furthermore, the two ends of the grouting pipe are connected with a slurry circulating pool, a pipe body of the grouting pipe is arranged in the test box in a multi-direction extending mode, and a slurry outlet hole is formed in the surface of the pipe body in a penetrating mode.
Furthermore, the grouting pipe is a U-shaped pipe, is inserted from one end of the bottom of the slurry circulation tank, extends from the upper part of the same side after extending from the inside, and both ends of the grouting pipe are communicated with the slurry circulation tank.
Furthermore, a liquid adding pipe and a liquid adding device are arranged above the slurry circulating pool.
Further, the temperature control device comprises a heater and a temperature sensor.
Further, the water level detection device is a liquid level sensor; the pore pressure detection device is a pressure sensor; the weight detection device is a strain gauge.
Further, the electrode slice is fixed through fixture, fixture is including pressing from both sides the cover, vertical groove is seted up to both sides to be equipped with the slide bar in vertical inslot, it articulates the seat to slide to be equipped with two slides on the slide bar, and two slides on being located same slide bar articulate the seat and articulate jointly and install the location shell fragment, the slide bar both ends are equipped with the spring, are connected with slide hinge seat respectively, two location shell fragments on pressing from both sides the cover are even protruding, form the elasticity centre gripping to the electrode slice.
Furthermore, the test box is provided with a cover plate with holes, the top of one side of the test box is provided with a sliding groove matched with the cover plate with holes in a penetrating mode, the inner wall of one side opposite to the sliding groove is provided with a positioning slot matched with the end portion of the cover plate with holes, and one end, far away from the positioning slot, of the cover plate with holes is provided with a pull ring.
Wherein, the cover plate with holes is provided with threading holes in a penetrating way.
The test method for carrying out the chemical electroosmosis reinforcement on the soft soil by adopting the chemical grouting device comprises the following steps:
s1, adding a soil sample into the test box, and grouting into the test box through a grouting pump and a grouting pipe;
s2, regulating and controlling the temperature inside the model test box through a temperature control device and a temperature control pipe;
s3, supplying power to the soil sample in the test box through the electrode plate by the direct current power supply, under the action of direct current, injecting slurry to promote ion exchange and cementation hardening to generate gel substances, filling pores of a soil body, cementing clay particles and improving the strength of the soil body;
s4, collecting water drained from the soil sample through a water outlet and a water collecting device, and detecting the water amount in the water collecting device through a water level detecting device;
and S5, acquiring relevant numerical parameters of the temperature control device, the water level detection device, the pore pressure detection device and the weight detection device through the measurement and control system.
Has the advantages that: compared with the prior art, the invention has the advantages that: the method can collect and control main parameters of the soft soil chemical electroosmosis process, can be used for researching the soft soil electroosmosis rule under different chemical grouting materials, effectively shortens electroosmosis time, reduces electroosmosis energy consumption, enhances electroosmosis effect, is convenient and rapid to operate, can quickly screen out proper chemical grouting materials, and provides basis for field test.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of a clamping mechanism according to the present invention;
fig. 4 is an internal cross-sectional view of the clamping mechanism of the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
The chemical grouting device for the soft soil chemical electroosmosis reinforcement test shown in fig. 1-2 comprises a test box 1, wherein a perforated cover plate 20 is arranged on the test box 1, a threading hole 21 is formed in the perforated cover plate 20 in a penetrating manner, a sliding chute matched with the perforated cover plate 20 is formed in the top of one side of the test box 1 in a penetrating manner, a positioning slot matched with the end part of the perforated cover plate 20 is formed in the inner wall of one side opposite to the sliding chute, and a pull ring is installed at one end, away from the positioning slot, of the perforated cover plate 20. The perforated cover plate 20 can be opened and closed by a pull ring.
The inside of proof box 1 is equipped with pore pressure detection device 13, and pore pressure detection device 13 is pressure sensor for detect the pressure value in the soil.
The downside of proof box 1 is equipped with weight detection device 14, and weight detection device 14 is for installing the foil gage on proof box 1 bottom lateral wall, can be used to obtain the weight of the inside weak soil sample of proof box 1.
The weight detection device 14, the water level detection device 12 and the pore pressure detection device 13 are all electrically connected with the measurement and control system 16 through the data acquisition unit 15.
The measurement and control system 14 can obtain relevant numerical parameters of the liquid level sensor, the pressure sensor and the strain gauge.
The test box 1 is positioned in the space above the filter plate 2 with the hole, the soft soil sample is placed in the space, the inner side wall of the test box 1 is provided with an electrode plate 5 through a clamping mechanism 19, and the electrode plate 5 is electrically connected with a direct current power supply 6.
The outside of proof box 1 is equipped with thick liquid circulation pond 7, and the upper portion of thick liquid circulation pond 7 is equipped with liquid feeding pipe 17, and the upper portion of liquid feeding pipe 17 is equipped with liquid feeding device 18, and thick liquid circulation pond 7 passes through grouting pump 9 and is connected with slip casting pipe 8, and slip casting pipe 8 extends to in the soil of proof box 1 inside, and its surface has seted up out the grout hole.
The two ends of the grouting pipe 8 are both connected with the slurry circulating pool 7, the pipe body of the grouting pipe is arranged in the test box 1 in a multi-direction extending mode, the grouting pipe 8 is a U-shaped transparent glass pipe in the embodiment, the grouting pipe is inserted from one end of the bottom of the slurry circulating pool 7, the grouting pipe extends from the upper portion of the same side after extending from the inside, and the two ends of the grouting pipe are both communicated with the slurry circulating pool 7.
The upper part of the filter plate with the hole 2 is paved with a temperature control pipe 10, the temperature control pipe 10 is connected with a temperature control device 11, and the temperature control device 11 is positioned at the outer side of the test box 1. The temperature control device 11 comprises a heater and a temperature sensor, and the temperature inside the test chamber 1 can be regulated and controlled by the adjustable temperature control pipe 10.
The signal input end of the measurement and control system 16 is connected with the signal output ends of the temperature control device 11, the weight detection device 14, the pore pressure detection device 13 and the water level detection device 12.
The test chamber 1 is made of a transparent organic glass plate, and the perforated cover plate 20 is made of transparent glass.
The water collecting device 4 and the liquid adding device 18 are graduated measuring cylinders, and the water discharge amount and the adding amount of the slurry can be directly known through numerical values on the measuring cylinders.
As shown in fig. 3-4, the clamping mechanism 19 includes a clamping sleeve 1901 fixed to the inside of the test chamber 1, the electrode plate 5 is inserted into the clamping sleeve 1901, vertical grooves are formed in both sides of the inside of the clamping sleeve 1901, a slide bar 1902 is installed in each vertical groove, two slide hinge seats 1903 are installed on the slide bar 1902 in a sliding manner, two slide hinge seats 1903 on the same slide bar 1902 are jointly hinged with a positioning elastic piece 1904, springs 1905 are arranged at both ends of the slide bar 1902 and are respectively connected with the slide hinge seats 1903, two positioning elastic pieces 1904 on the clamping sleeve 1901 are connected with each other to form an elastic clamping for the electrode plate 5. The positioning spring 1904 may be made of a high-elasticity metal sheet or rubber sheet, and the sliding rod 1902 and the hinge seat 1903 are made of a uniform material. The jacket 1901 does not completely wrap the electrode sheet 5, and normal detection and use of the electrode sheet 5 are ensured.
The working principle of the invention is as follows:
The grouting pump 9 provides constant pressure to convey chemical grout to the grouting pipe 8, and grout outlet holes are formed in the grouting pipe 8, so that the grouting range is effectively enlarged, uniform grouting can be realized, and a better reinforcing effect is achieved.
The research on the soft soil chemical electroosmosis law under different chemical grouting materials can be realized only by replacing the chemical grout in the grout circulating tank 7. Therefore, the invention improves the grouting efficiency, effectively shortens the electroosmosis time, reduces the electroosmosis energy consumption, is convenient and quick to operate, and can better perform the chemical electroosmosis test research.
The test method for carrying out the chemical electroosmosis reinforcement on the soft soil by adopting the chemical grouting device comprises the following steps:
s1, adding a soil sample into the test box 1, and grouting into the test box 1 through a grouting pump 9 and a grouting pipe 8;
s2, regulating and controlling the temperature inside the model test box 1 through the temperature control device 11 and the temperature control pipe 10;
s3, supplying power to the soil sample in the test box 1 through the electrode plate 5 by the direct current power supply 6, under the action of direct current, injecting slurry to promote ion exchange and cementation hardening, generating gel substances, filling pores of a soil body, cementing clay particles and improving the strength of the soil body;
s4, collecting water drained from the soil sample through the water outlet 3 and the water collecting device 4, and detecting the water amount in the water collecting device 4 through the water level detecting device 12;
and S5, acquiring relevant numerical parameters of the temperature control device 11, the water level detection device 12, the pore pressure detection device 13 and the weight detection device 14 through the measurement and control system 16.
Claims (10)
1. The utility model provides a chemical grouting device that is arranged in soft soil chemical electro-osmosis to consolidate experimental which characterized in that: the test box comprises a test box (1), wherein a perforated filter plate (2) and a water outlet (3) are arranged at the bottom of the test box (1), a soil sample is placed above the perforated filter plate (2), a water collecting device (4) is arranged below the water outlet (3), an electrode plate (5) is arranged on the inner side wall of the test box (1) and is connected with a direct-current power supply (6), a slurry circulating pool (7) is arranged outside the test box (1), a grouting pipe (8) and a grouting pump (9) are connected to the slurry circulating pool (7), and slurry in the slurry circulating pool (7) is injected into the soil sample through the grouting pump (9);
a temperature control pipe (10) is laid on the upper part of the filter plate (2) with the hole and is connected with a temperature control device (11);
a water level detection device (12) is arranged in the water collecting device (4);
a pore pressure detection device (13) is arranged in the test box (1);
the bottom of the outer side of the test box (1) is provided with a weight detection device (14);
the test device further comprises a data acquisition unit (15) and a measurement and control system (16), wherein the temperature control device (11), the water level detection device (12), the pore pressure detection device (13) and the weight detection device (14) are all connected with the measurement and control system (16) through the data acquisition unit (15).
2. The chemical grouting device for the soft soil chemo-electroosmosis reinforcement test according to claim 1, characterized in that: and two ends of the grouting pipe (8) are connected with the slurry circulating tank (7), a pipe body of the grouting pipe is arranged in the test box (1) in a multi-direction extending manner, and a slurry outlet is formed in the surface of the pipe body in a penetrating manner.
3. The high-efficiency chemical grouting soft soil chemo-electroosmosis reinforcement test device according to claim 2, characterized in that: the grouting pipe (8) is a U-shaped pipe, is inserted from one end of the bottom of the slurry circulating pool (7), extends from the upper part of the same side after extending from the inside, and both ends of the grouting pipe are communicated with the slurry circulating pool (7).
4. The chemical grouting device for the soft soil chemo-electroosmosis reinforcement test according to claim 1, characterized in that: and a liquid adding pipe (17) and a liquid adding device (18) are arranged above the slurry circulating tank (7).
5. The chemical grouting device for the soft soil chemo-electroosmosis reinforcement test according to claim 1, characterized in that: the temperature control device (11) comprises a heater and a temperature sensor.
6. The chemical grouting device for the soft soil chemo-electroosmosis reinforcement test according to claim 1, characterized in that: the water level detection device (12) is a liquid level sensor; the pore pressure detection device (13) is a pressure sensor; the weight detection device (14) is a strain gauge.
7. The chemical grouting device for the soft soil chemo-electroosmosis reinforcement test according to claim 1, characterized in that: electrode slice (5) are fixed through fixture (19), fixture (19) are including pressing from both sides cover (1901), vertical groove is seted up to both sides to be equipped with slide bar (1902) in vertical inslot, slide bar (1902) are gone up and are equipped with two articulated seats of sliding (1903), and two articulated seats of sliding (1903) that are located on same slide bar articulate jointly and install location shell fragment (1904), slide bar (1902) both ends are equipped with spring (1905), are connected with articulated seat of sliding (1903) respectively, two location shell fragments (1904) that press from both sides on cover (1901) link to the arch, form the elasticity centre gripping to electrode slice (5).
8. The chemical grouting device for the soft soil chemo-electroosmosis reinforcement test according to claim 1, characterized in that: the test box is characterized in that a perforated cover plate (20) is arranged on the test box (1), a sliding groove matched with the perforated cover plate (20) is formed in the top of one side of the test box (1) in a penetrating mode, a positioning slot matched with the end portion of the perforated cover plate (20) is formed in the inner wall of one side opposite to the sliding groove, and a pull ring is installed at one end, far away from the positioning slot, of the perforated cover plate (20).
9. The chemical grouting device for the soft soil chemo-electroosmosis reinforcement test according to claim 8, characterized in that: the perforated cover plate (20) is provided with a threading hole (21) in a penetrating way.
10. The test method of the chemical grouting device for the soft soil chemical electro-osmosis reinforcement test according to claim 1 is characterized by comprising the following steps:
s1, adding a soil sample into the test box (1), and grouting into the test box (1) through a grouting pump (9) and a grouting pipe (8);
s2, regulating and controlling the temperature inside the model test box (1) through a temperature control device (11) and a temperature control pipe (10);
s3, supplying power to a soil sample in the test box (1) through an electrode plate (5) by a direct current power supply (6), injecting slurry to promote ion exchange and cementation hardening under the action of direct current to generate gel substances, filling pores of a soil body, cementing clay particles and improving the strength of the soil body;
s4, collecting water discharged from the soil sample through the water outlet (3) and the water collecting device (4), and detecting the water amount in the water collecting device (4) through the water level detecting device (12);
s5, acquiring relevant numerical parameters of the temperature control device (11), the water level detection device (12), the pore pressure detection device (13) and the weight detection device (14) through the measurement and control system (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110434804.2A CN113218837A (en) | 2021-04-22 | 2021-04-22 | Chemical grouting device and test method for soft soil chemical electroosmosis reinforcement test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110434804.2A CN113218837A (en) | 2021-04-22 | 2021-04-22 | Chemical grouting device and test method for soft soil chemical electroosmosis reinforcement test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113218837A true CN113218837A (en) | 2021-08-06 |
Family
ID=77088371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110434804.2A Pending CN113218837A (en) | 2021-04-22 | 2021-04-22 | Chemical grouting device and test method for soft soil chemical electroosmosis reinforcement test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113218837A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872524A (en) * | 2017-04-07 | 2017-06-20 | 大连理工大学 | A kind of multi-functional electric osmose reinforces bury equipment and method of testing |
| CN109613067A (en) * | 2019-01-09 | 2019-04-12 | 哈尔滨工业大学 | Electric osmose drainage test system in a kind of unsaturation subgrade soils room |
| CN208887346U (en) * | 2018-09-17 | 2019-05-21 | 珠海安德宝科技有限公司 | A kind of moisture eliminating drying box suspending device |
| CN209069860U (en) * | 2018-11-26 | 2019-07-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of electric osmose grouting test device |
| CN209215514U (en) * | 2018-11-27 | 2019-08-06 | 贵州电网有限责任公司 | Transformer is shorted wire clamp with novel simple |
| CN112683745A (en) * | 2020-11-18 | 2021-04-20 | 江苏科技大学 | Heat-force-electroosmosis multi-field coupling soft soil consolidation test box |
-
2021
- 2021-04-22 CN CN202110434804.2A patent/CN113218837A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872524A (en) * | 2017-04-07 | 2017-06-20 | 大连理工大学 | A kind of multi-functional electric osmose reinforces bury equipment and method of testing |
| CN208887346U (en) * | 2018-09-17 | 2019-05-21 | 珠海安德宝科技有限公司 | A kind of moisture eliminating drying box suspending device |
| CN209069860U (en) * | 2018-11-26 | 2019-07-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of electric osmose grouting test device |
| CN209215514U (en) * | 2018-11-27 | 2019-08-06 | 贵州电网有限责任公司 | Transformer is shorted wire clamp with novel simple |
| CN109613067A (en) * | 2019-01-09 | 2019-04-12 | 哈尔滨工业大学 | Electric osmose drainage test system in a kind of unsaturation subgrade soils room |
| CN112683745A (en) * | 2020-11-18 | 2021-04-20 | 江苏科技大学 | Heat-force-electroosmosis multi-field coupling soft soil consolidation test box |
Non-Patent Citations (1)
| Title |
|---|
| 吴松华等: "电渗联合注浆加固吹填土现场试验研究", 《水利与建筑工程学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102221600A (en) | Expansion force and saturated permeation multifunctional tester | |
| CN102323393A (en) | Double-lever high-temperature, high-pressure and unsaturated consolidometer | |
| CN106769782B (en) | Concrete water permeability coefficient measuring device and measuring method | |
| CA2485471A1 (en) | Method and probe for measuring hydraulic conductivity of soil | |
| CN103398933A (en) | Constant-pressure concrete permeability testing device | |
| CN202748295U (en) | Intelligent test system for permeability characteristics of earth material | |
| CN107677585B (en) | Device and method for measuring water permeability coefficient of water permeable material | |
| CN108827856B (en) | Rock plate adding device and method for flow conductivity evaluation experiment | |
| CN112666342A (en) | Slump detection device for building engineering detection | |
| CN106706500A (en) | Device for determining permeability of concrete | |
| CN206289148U (en) | Treatment of Sludge deep dehydration experimental provision | |
| CN105484298A (en) | Microorganism reinforced grouting maintenance test device | |
| CN106769775A (en) | Ooze bituminous paving infiltration detection means and method in a kind of dynamic anti-side of water pressurization | |
| CN101846613A (en) | Clogging simulation test device for drainage layer of refuse landfill under different-temperature conditions | |
| CN113218837A (en) | Chemical grouting device and test method for soft soil chemical electroosmosis reinforcement test | |
| CN106872524B (en) | Multifunctional electroosmosis reinforcing soft clay equipment and testing method | |
| CN211374440U (en) | Integrated soil infiltration rate measuring combined device | |
| CN210465213U (en) | Geotechnical test permeameter convenient to measure | |
| CN206618715U (en) | A kind of multi-functional electric osmose reinforces bury equipment | |
| CN114636614A (en) | Adjustable rock mass dry-wet circulation visual test system and test method | |
| CN210665382U (en) | Parameter measuring device for multi-metal nodule | |
| CN110220814B (en) | Parameter determination device and method for multi-metal nodule | |
| CN209802938U (en) | Hydrostatic pressure resistance tester for bentonite waterproof blanket | |
| CN208013213U (en) | One-dimensional island underground water desalinates simulation test device | |
| CN216718139U (en) | Vertical permeameter capable of recycling water |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210806 |