CN105842430A - Test method and test device for transverse microorganism cement grouting - Google Patents
Test method and test device for transverse microorganism cement grouting Download PDFInfo
- Publication number
- CN105842430A CN105842430A CN201610383917.3A CN201610383917A CN105842430A CN 105842430 A CN105842430 A CN 105842430A CN 201610383917 A CN201610383917 A CN 201610383917A CN 105842430 A CN105842430 A CN 105842430A
- Authority
- CN
- China
- Prior art keywords
- grouting
- pipe
- slip casting
- test specimen
- plasma discharge
- 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 38
- 244000005700 microbiome Species 0.000 title claims abstract description 22
- 239000004568 cement Substances 0.000 title claims abstract description 20
- 238000010998 test method Methods 0.000 title description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000007569 slipcasting Methods 0.000 claims description 27
- 239000008267 milk Substances 0.000 claims description 18
- 210000004080 milk Anatomy 0.000 claims description 18
- 235000013336 milk Nutrition 0.000 claims description 18
- 238000003556 assay Methods 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 11
- 230000002572 peristaltic effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011440 grout Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 5
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 239000004576 sand Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 101000965313 Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513) Aconitate hydratase A Proteins 0.000 description 1
- 230000004520 agglutination Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
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
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Ceramic Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a test device for transverse microorganism cement grouting. The test device comprises an injection system, a grouting system and a discharging system. The grouting system comprises a grouting drum with a closed bottom cover and a top cover, a grouting pipe and a specimen barrel are arranged in the grouting drum, a plurality of grouting holes are densely distributed in the side wall of the grouting pipe, and a plurality of outlet holes are densely distributed in the side wall of the specimen barrel. An annular specimen chamber is formed between the grouting pipe and the specimen barrel, and an annular discharging chamber is formed between the specimen barrel and the grouting drum. A position, opposite to the annular specimen barrel, of the top cover is provided with air outlet holes. An inlet of the grouting pipe is connected with an outlet of the injection system through a grouting valve, and a bottom outlet of the discharging chamber is connected with an inlet of the discharging system through a discharging valve. The invention further discloses a utilization method of the test device. Space uniformity of grout in a specimen can be improved, and the grouting holes are protected from being blocked by the grout.
Description
Technical field
The present invention relates to a kind of grouting test device and test method, particularly relate to one and laterally fill for microorganism cement
The assay device of slurry and test method.
Background technology
In recent years, microorganism induction generation calcium carbonate technology (MICP) has obtained studying widely.Microorganism cement is because of tool
Having good fluidity, grouting pressure little, the intensity time controlled, cementing is controlled, by-product is few and the advantage such as environmental protection,
It it is considered as a kind of grouting material having large development potentiality.The current research to microorganism cement grout is mainly in test chamber
In, the method for grouting is that microorganism or cementing solution inject loosening sand, and the direction being in the milk mainly has from top to bottom and
Two ways from bottom to top.When using both modes to be in the milk, a significant problem is that the binding material produced exists
Skewness in sand, and along with the carrying out of grouting, at the inlet of serosity, be easily generated clogging, cause
Serosity can not continue to penetrate into sand sample.
In sum, when using longitudinal mode to carry out microorganism grouting, the precipitation of calcium carbonate of generation is easily poly-at grouting port
Collection, thus cause the permeability reduction of porch comparatively fast, stop the continuation of serosity to be penetrated into, cause the inequality of agglutination sand post
Even.
Summary of the invention
The present invention solves technical problem present in known technology and a kind of examination being laterally in the milk for microorganism cement is provided
Experiment device and test method, use this assay device and test method can improve serosity spatially uniform in the sample,
Prevent slurry plugs injected hole.
The present invention solves that the technical scheme that technical problem is taked present in known technology is: a kind of for micro-life
The assay device that thing cement is laterally in the milk, including injected system, grouting system and discharge system；Described grouting system includes
Grouting cylinder, described grouting cylinder is provided with closing bottom and top cover, is provided with Grouting Pipe and test specimen tube in described grouting cylinder, described
The upper end of Grouting Pipe and described test specimen tube is fixed on described top cover, and the lower end of described Grouting Pipe and described test specimen tube is fixed in
On described bottom, described grouting cylinder, described Grouting Pipe and described test specimen tube are coaxially disposed, on the sidewall of described Grouting Pipe
It is abound with multiple injected hole, the sidewall of described test specimen tube has been abound with multiple slurry outlet；In described Grouting Pipe and described examination
It is formed with ring specimen room between sample cylinder, between described test specimen tube and described grouting cylinder, is formed with annular pulp-supplying chamber；Institute
The position stating top cover relative with described ring specimen room is provided with venthole；The entrance of described Grouting Pipe passes through slip casting valve and institute
The outlet stating injected system connects, and the outlet at bottom of described pulp-supplying chamber is connected by the entrance of plasma discharge valve with described discharge system
Connect.
Inside sidewalls at described test specimen tube is lined with warp layer cloth.
Described injected system includes pulp storage tank, slip casting flexible pipe and suction pump, the entrance of described slip casting flexible pipe and described pulp storage tank
Being connected, the outlet of described slip casting flexible pipe is connected with the entrance of described slip casting valve, and it is soft that described suction pump is arranged on described slip casting
Guan Shang.
Described discharge system includes liquid-filling pool, plasma discharge flexible pipe and excavationg pump, the entrance of described plasma discharge flexible pipe and described pulp-expelling valve
The outlet of door is connected, and the outlet of described plasma discharge flexible pipe is connected with described liquid-filling pool, and it is soft that described excavationg pump is arranged on described plasma discharge
Guan Shang.
Described suction pump uses peristaltic pump.
Described excavationg pump uses peristaltic pump.
The present invention solves that another technical scheme that technical problem is taked present in known technology is: a kind of use
State the method that assay device carries out the horizontal grouting test of microorganism cement, comprise the following steps:
One) close plasma discharge valve, open slip casting valve, then start injected system in Grouting Pipe, inject grouting liquid,
Until it is hydraulically full in pulp-supplying chamber；
Two) open plasma discharge valve, start discharge system, and the plasma discharge flow velocity controlling described discharge system injects system with described
The slip casting flow velocity of system is consistent.
The present invention has the advantage that with good effect: be placed in sample chamber treats that grouting material is by running through sample chamber
Grouting Pipe achieves horizontal slip casting, owing to the horizontal infiltration coefficient of sand is higher than longtitudinal dispersion coefficient, fills with traditional longitudinal direction
Slurry is compared, and the present invention can make serosity the most transversely flow at test specimen inner homogeneous, it is thus achieved that binding material is more uniform
Sand sample, improve grouting sample every physical and mechanical property, and can be prevented effectively from grouting port blocking problem.
The horizontal grouting way of the present invention is more fitted with actual filling process simultaneously, contributes to popularization and application.And the present invention
Simple in construction, it is easy to design, it is simple to operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the assay device that the present invention is laterally in the milk for microorganism cement；
Fig. 2 is the A-A cut-away view of Fig. 1；
Fig. 3 is the cap structure schematic diagram of the assay device that the present invention is laterally in the milk for microorganism cement.
In figure: 1, pulp storage tank, 2, suction pump, 3, slip casting flexible pipe, 4, slip casting valve, 5, top cover, 6, note
Slurry pipe, 7, test specimen tube, 8, grouting cylinder, 9, plasma discharge valve, 10, bottom, 11, excavationg pump, 12, plasma discharge flexible pipe,
13, liquid-filling pool, 14, venthole.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing
Describe in detail as follows:
Referring to Fig. 1～Fig. 3, a kind of assay device being laterally in the milk for microorganism cement, including injected system, grouting
System and the system of discharge.
Described grouting system includes the cylinder 8 that is in the milk, and described grouting cylinder 8 is provided with closing bottom 10 and top cover 5, in described grouting
Being provided with Grouting Pipe 6 and test specimen tube 7 in cylinder 8, the upper end of described Grouting Pipe 6 and described test specimen tube 7 is fixed in described top cover 5
On, the lower end of described Grouting Pipe 6 and described test specimen tube 7 is fixed on described bottom 10, in the present embodiment, and described note
The lower end of slurry pipe 6 and the upper end of described test specimen tube 7 and described Grouting Pipe 6 and described test specimen tube 7 is equipped with flange, institute
The flange stating Grouting Pipe 6 and the flange of described test specimen tube 7 upper end and described Grouting Pipe 6 and described test specimen tube 7 lower end leads to
Cross bolt to be connected with described bottom 10 and described top cover 5, convenient dismounting.Described grouting cylinder 8, described Grouting Pipe 6 and institute
State test specimen tube 7 to be coaxially disposed, the sidewall of described Grouting Pipe 6 has been abound with multiple injected hole, at described test specimen tube 7
Multiple slurry outlet it has been abound with on sidewall；It is formed with ring specimen room between described Grouting Pipe 6 and described test specimen tube 7,
Annular pulp-supplying chamber it is formed with between described test specimen tube 7 and described grouting cylinder 8；In described top cover 5 and described ring specimen room
Relative position is provided with venthole 14；The entrance of described Grouting Pipe 6 is by the outlet of slip casting valve 4 with described injected system
Connecting, the outlet at bottom of described pulp-supplying chamber is connected with the entrance of described discharge system by plasma discharge valve 9.
Described sample chamber treats grouting material for placement, can be sand or the soil body etc..
In the present embodiment, the inside sidewalls at described test specimen tube 7 is lined with warp layer cloth, to prevent the sand in sample chamber
Or the soil body etc. oozes out, block slurry outlet.Described injected system includes pulp storage tank 1, slip casting flexible pipe 3 and suction pump 2, described
The entrance of slip casting flexible pipe 3 is connected with described pulp storage tank 1, the outlet of described slip casting flexible pipe 3 and entering of described slip casting valve 4
Mouth is connected, and described suction pump 2 is arranged on described slip casting flexible pipe 3.Described discharge system includes that liquid-filling pool 13, plasma discharge are soft
Pipe 12 and excavationg pump 11, the entrance of described plasma discharge flexible pipe 12 is connected with the outlet of described plasma discharge valve 9, and described plasma discharge is soft
The outlet of pipe 12 is connected with described liquid-filling pool 13, and described excavationg pump 11 is arranged on described plasma discharge flexible pipe 12.Described suction
Enter pump 2 and use peristaltic pump.Described excavationg pump 11 is also adopted by peristaltic pump.
The method using above-mentioned assay device to carry out the horizontal grouting test of microorganism cement, comprises the following steps:
One) close plasma discharge valve 9, open slip casting valve 4, then start injected system in Grouting Pipe 6, inject grouting liquid
Body, until hydraulically full in pulp-supplying chamber；
Two) open plasma discharge valve 9, start discharge system, and the plasma discharge flow velocity controlling described discharge system injects system with described
The slip casting flow velocity of system is consistent.
By said method, liquid horizontal mobility in treating grouting material of being in the milk can be realized, it is achieved infiltration of being laterally in the milk.
Application principle of the present invention: under stacking states, the horizontal infiltration coefficient of sand is higher than its longtitudinal dispersion coefficient, so
Under the mode of laterally grouting, serosity can preferably penetrate in sand, thus forms the most uniform cementing sample.
Although the preferred embodiments of the present invention being described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned
Detailed description of the invention, above-mentioned detailed description of the invention is only schematically, is not restrictive, this area general
Logical technical staff is under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection,
Can be to make a lot of form, within these belong to protection scope of the present invention.
Claims (7)
1. the assay device being laterally in the milk for microorganism cement, including injected system, grouting system and discharge system；
It is characterized in that, described grouting system includes the cylinder that is in the milk, and described grouting cylinder is provided with closing bottom and top cover, in described grouting
Being provided with Grouting Pipe and test specimen tube in Tong, the upper end of described Grouting Pipe and described test specimen tube is fixed on described top cover, described note
The lower end of slurry pipe and described test specimen tube is fixed on described bottom, and described grouting cylinder, described Grouting Pipe and described test specimen tube are same
Axle is arranged, and has been abound with multiple injected hole, has been abound with multiple on the sidewall of described test specimen tube on the sidewall of described Grouting Pipe
Slurry outlet；Ring specimen room it is formed with, in described test specimen tube and described grouting between described Grouting Pipe and described test specimen tube
Annular pulp-supplying chamber it is formed with between Tong；The position relative with described ring specimen room at described top cover is provided with venthole；Described
The entrance of Grouting Pipe is connected with the outlet of described injected system by slip casting valve, and the outlet at bottom of described pulp-supplying chamber is by row
Slurry valve is connected with the entrance of described discharge system.
The assay device being laterally in the milk for microorganism cement the most according to claim 1, it is characterised in that in institute
The inside sidewalls stating test specimen tube is lined with warp layer cloth.
The assay device being laterally in the milk for microorganism cement the most according to claim 1, it is characterised in that described
Injected system includes that pulp storage tank, slip casting flexible pipe and suction pump, the entrance of described slip casting flexible pipe are connected with described pulp storage tank, institute
The outlet stating slip casting flexible pipe is connected with the entrance of described slip casting valve, and described suction pump is arranged on described slip casting flexible pipe.
The assay device being laterally in the milk for microorganism cement the most according to claim 1, it is characterised in that described
Discharge system includes the outlet of liquid-filling pool, plasma discharge flexible pipe and excavationg pump, the entrance of described plasma discharge flexible pipe and described plasma discharge valve
Being connected, the outlet of described plasma discharge flexible pipe is connected with described liquid-filling pool, and described excavationg pump is arranged on described plasma discharge flexible pipe.
The assay device being laterally in the milk for microorganism cement the most according to claim 3, it is characterised in that described
Suction pump uses peristaltic pump.
The assay device being laterally in the milk for microorganism cement the most according to claim 4, it is characterised in that described
Excavationg pump uses peristaltic pump.
7. use the method that assay device as claimed in claim 1 carries out the horizontal grouting test of microorganism cement, its
It is characterised by, comprises the following steps:
One) close plasma discharge valve, open slip casting valve, then start injected system in Grouting Pipe, inject grouting liquid,
Until it is hydraulically full in pulp-supplying chamber；
Two) open plasma discharge valve, start discharge system, and the plasma discharge flow velocity controlling described discharge system injects system with described
The slip casting flow velocity of system is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383917.3A CN105842430A (en) | 2016-06-02 | 2016-06-02 | Test method and test device for transverse microorganism cement grouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383917.3A CN105842430A (en) | 2016-06-02 | 2016-06-02 | Test method and test device for transverse microorganism cement grouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105842430A true CN105842430A (en) | 2016-08-10 |
Family
ID=56595461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610383917.3A Pending CN105842430A (en) | 2016-06-02 | 2016-06-02 | Test method and test device for transverse microorganism cement grouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105842430A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771083A (en) * | 2017-01-18 | 2017-05-31 | 三峡大学 | Microorganism reinforces sand post provisions for grouting and its test method |
| CN107255705A (en) * | 2017-07-24 | 2017-10-17 | 河海大学 | Microorganism grouting test device and test method for uniform curing silt |
| CN107525541A (en) * | 2017-08-04 | 2017-12-29 | 中国矿业大学 | A kind of hypotonicity coal and rock splitting infiltration coupling grouting experimental rig and method |
| CN108827770A (en) * | 2018-04-17 | 2018-11-16 | 山东大学 | It is a kind of suitable for the grouting test system of triaxial compression test and its application |
| CN111139836A (en) * | 2020-01-14 | 2020-05-12 | 三峡大学 | Radial radiation grouting and self-curing microorganism curing device and method |
| CN111458206A (en) * | 2020-05-28 | 2020-07-28 | 兰州理工大学 | Circulation test device and method for preparing porous concrete test block by microorganisms |
| CN111855353A (en) * | 2020-07-28 | 2020-10-30 | 浙江科技学院 | MICP solidification calcareous sand cylinder sample preparation appearance |
| CN112746606A (en) * | 2021-01-13 | 2021-05-04 | 大连理工大学 | Experimental equipment and method for researching improvement of foundation by microorganism-induced calcium carbonate precipitation under horizontal flow |
| CN113155567A (en) * | 2021-04-20 | 2021-07-23 | 浙江科技学院 | Hollow cylinder sample MICP curing sample preparation instrument and sample preparation method |
| CN113219156A (en) * | 2021-05-11 | 2021-08-06 | 四川大学 | Air-extracting negative-pressure biological slurry filling device suitable for adhesive soil column and grouting method |
| CN113295846A (en) * | 2021-05-08 | 2021-08-24 | 合肥工业大学 | Test device and test method for detecting MICP (micro-emulsified asphalt) solidified polluted soil effect |
| CN116930468A (en) * | 2023-08-28 | 2023-10-24 | 西南石油大学 | Biological mineralization restoration detection integrated device for cracked concrete test piece |
| CN117491244A (en) * | 2023-11-07 | 2024-02-02 | 昆明理工大学 | Controllable grouting seepage flow test device and test method thereof |
| CN117664683A (en) * | 2023-11-29 | 2024-03-08 | 水利部交通运输部国家能源局南京水利科学研究院 | Microorganism reinforced sand hollow cylindrical sample preparation device and use method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201891119U (en) * | 2010-11-18 | 2011-07-06 | 中冶建筑研究总院有限公司 | Grouting device with functions of air exhaust and grout backflow prevention |
| CN103630654A (en) * | 2013-11-28 | 2014-03-12 | 中煤科工集团西安研究院有限公司 | Split type simulation experiment device for high-pressure grouting of sand layer |
| CN104594357A (en) * | 2015-01-19 | 2015-05-06 | 赵连平 | Grouting device after statically pressing or hammering concrete precast tubular pile base and grouting method |
| CN105507232A (en) * | 2015-12-08 | 2016-04-20 | 南京林业大学 | Microorganism slab grouting device and method used for reinforcing liquefiable foundation |
| CN105527384A (en) * | 2016-01-15 | 2016-04-27 | 山东大学 | Grouting simulating test device and test method thereof |
| CN205786638U (en) * | 2016-06-02 | 2016-12-07 | 天津大学 | A kind of assay device being laterally in the milk for microorganism cement |
-
2016
- 2016-06-02 CN CN201610383917.3A patent/CN105842430A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201891119U (en) * | 2010-11-18 | 2011-07-06 | 中冶建筑研究总院有限公司 | Grouting device with functions of air exhaust and grout backflow prevention |
| CN103630654A (en) * | 2013-11-28 | 2014-03-12 | 中煤科工集团西安研究院有限公司 | Split type simulation experiment device for high-pressure grouting of sand layer |
| CN104594357A (en) * | 2015-01-19 | 2015-05-06 | 赵连平 | Grouting device after statically pressing or hammering concrete precast tubular pile base and grouting method |
| CN105507232A (en) * | 2015-12-08 | 2016-04-20 | 南京林业大学 | Microorganism slab grouting device and method used for reinforcing liquefiable foundation |
| CN105527384A (en) * | 2016-01-15 | 2016-04-27 | 山东大学 | Grouting simulating test device and test method thereof |
| CN205786638U (en) * | 2016-06-02 | 2016-12-07 | 天津大学 | A kind of assay device being laterally in the milk for microorganism cement |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771083B (en) * | 2017-01-18 | 2023-11-21 | 三峡大学 | Microorganism reinforced sand column grouting device and test method thereof |
| CN106771083A (en) * | 2017-01-18 | 2017-05-31 | 三峡大学 | Microorganism reinforces sand post provisions for grouting and its test method |
| CN107255705A (en) * | 2017-07-24 | 2017-10-17 | 河海大学 | Microorganism grouting test device and test method for uniform curing silt |
| CN107525541A (en) * | 2017-08-04 | 2017-12-29 | 中国矿业大学 | A kind of hypotonicity coal and rock splitting infiltration coupling grouting experimental rig and method |
| CN108827770A (en) * | 2018-04-17 | 2018-11-16 | 山东大学 | It is a kind of suitable for the grouting test system of triaxial compression test and its application |
| CN111139836A (en) * | 2020-01-14 | 2020-05-12 | 三峡大学 | Radial radiation grouting and self-curing microorganism curing device and method |
| CN111458206A (en) * | 2020-05-28 | 2020-07-28 | 兰州理工大学 | Circulation test device and method for preparing porous concrete test block by microorganisms |
| CN111458206B (en) * | 2020-05-28 | 2024-03-01 | 兰州理工大学 | Circulation test device and method for preparing porous concrete test block by microorganisms |
| CN111855353A (en) * | 2020-07-28 | 2020-10-30 | 浙江科技学院 | MICP solidification calcareous sand cylinder sample preparation appearance |
| CN112746606A (en) * | 2021-01-13 | 2021-05-04 | 大连理工大学 | Experimental equipment and method for researching improvement of foundation by microorganism-induced calcium carbonate precipitation under horizontal flow |
| CN113155567A (en) * | 2021-04-20 | 2021-07-23 | 浙江科技学院 | Hollow cylinder sample MICP curing sample preparation instrument and sample preparation method |
| CN113155567B (en) * | 2021-04-20 | 2024-05-10 | 浙江科技学院 | Hollow cylinder sample MICP curing sample preparation instrument and sample preparation method |
| CN113295846B (en) * | 2021-05-08 | 2023-08-11 | 合肥工业大学 | Test device and test method for detecting effect of MICP solidified polluted soil |
| CN113295846A (en) * | 2021-05-08 | 2021-08-24 | 合肥工业大学 | Test device and test method for detecting MICP (micro-emulsified asphalt) solidified polluted soil effect |
| CN113219156A (en) * | 2021-05-11 | 2021-08-06 | 四川大学 | Air-extracting negative-pressure biological slurry filling device suitable for adhesive soil column and grouting method |
| CN116930468A (en) * | 2023-08-28 | 2023-10-24 | 西南石油大学 | Biological mineralization restoration detection integrated device for cracked concrete test piece |
| CN116930468B (en) * | 2023-08-28 | 2024-01-19 | 西南石油大学 | Biological mineralization restoration detection integrated device for cracked concrete test piece |
| CN117491244A (en) * | 2023-11-07 | 2024-02-02 | 昆明理工大学 | Controllable grouting seepage flow test device and test method thereof |
| CN117664683A (en) * | 2023-11-29 | 2024-03-08 | 水利部交通运输部国家能源局南京水利科学研究院 | Microorganism reinforced sand hollow cylindrical sample preparation device and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105842430A (en) | Test method and test device for transverse microorganism cement grouting | |
| CN205786638U (en) | A kind of assay device being laterally in the milk for microorganism cement | |
| CN102330424B (en) | Vacuum preloading consolidation method for duplex vacuum tube well of blowing filling soft soil | |
| CN105239555A (en) | Method for treating soft soil foundation through combination of bagged grouting gravel pile and vacuum preloading | |
| CN202450537U (en) | Composite dewatering device of vacuum tube well | |
| CN106680467B (en) | A kind of buried stratum high-pressure slip-casting simulation test device and test method | |
| CN109208575B (en) | Method for reinforcing high-water-content blow-filled soft soil by combining medicament and horizontal vacuum | |
| CN107261587A (en) | A kind of filter screen automatically cleaning dregs filter | |
| CN105442524B (en) | Soft foundation processing device and construction method | |
| CN109339028A (en) | The soft clay processing unit and processing method of electric osmose joint cyclic microorganism slip casting | |
| CN103470212A (en) | Active drilling and hole sealing device and method | |
| CN104829071B (en) | Engineering slurry rapid processing apparatus and usage method thereof | |
| CN201826315U (en) | Grouting sleeve valve pipe | |
| CN203891015U (en) | Oblique anchor simple hole-sealing grouting bag device | |
| CN109944236A (en) | Root pile actively follows track delamination pour slurry system and construction method | |
| CN107794931B (en) | Foundation pit supporting construction | |
| CN108729929A (en) | A kind of circulating delamination pour slurry device | |
| CN108396745A (en) | A kind of dry operation rotary digging stake holes bottom sediment method for cleaning | |
| CN208918555U (en) | A kind of improved mould bag slip casting water guider | |
| CN209227543U (en) | A kind of concrete floor constructing device | |
| CN206815315U (en) | The fluid injection supercharging capsule of fluid injection supercharging joint grouting and reinforcing super soft ground | |
| CN114606927B (en) | Construction method for performing foundation treatment by combining vacuum precipitation and air pressure splitting | |
| CN206460049U (en) | A kind of buried stratum high-pressure slip-casting simulation test device | |
| CN110306525A (en) | Treatment method of collapsible loess foundation | |
| CN106437584B (en) | A kind of continuous sand-bailing equipment of negative pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |
|
| WD01 | Invention patent application deemed withdrawn after publication |