CN106285723B - Microorganism grouting device and method after a kind of shield tunnel liner wall - Google Patents
Microorganism grouting device and method after a kind of shield tunnel liner wall Download PDFInfo
- Publication number
- CN106285723B CN106285723B CN201610791405.0A CN201610791405A CN106285723B CN 106285723 B CN106285723 B CN 106285723B CN 201610791405 A CN201610791405 A CN 201610791405A CN 106285723 B CN106285723 B CN 106285723B
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- holding vessel
- grouting
- microorganism
- mixed liquor
- nutrient solution
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- 244000005700 microbiome Species 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005266 casting Methods 0.000 claims abstract description 38
- 235000015097 nutrients Nutrition 0.000 claims abstract description 38
- 238000007569 slipcasting Methods 0.000 claims abstract description 29
- 241000894006 Bacteria Species 0.000 claims abstract description 17
- 239000000243 solution Substances 0.000 claims description 36
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 239000002068 microbial inoculum Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 230000001580 bacterial effect Effects 0.000 claims description 9
- 230000000813 microbial effect Effects 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses microorganism grouting device and method after a kind of shield tunnel liner wall, device includes microorganism holding vessel, nutrient solution holding vessel, mixed liquor holding vessel and rotatable casting head, the microorganism holding vessel is equipped with the dry bacterium of denitrifying bacteria and enriched medium, and nutrient solution is housed in the nutrient solution holding vessel；Microorganism holding vessel and nutrient solution holding vessel are connected by pipeline with mixed liquor holding vessel respectively, the connecting line of the microorganism holding vessel and mixed liquor holding vessel, and nutrient solution holding vessel, with being both provided with control valve and grouting pump on the connecting line of mixed liquor holding vessel, grouting pump is connected with pressure gauge；The outlet of the mixed liquor holding vessel is connected by Grouting Pipe with rotatable casting head, and control valve and grouting pump are provided with Grouting Pipe, and grouting pump is connected with pressure gauge.Apparatus of the present invention realize corrosion-resistant, the erosion performance for the microorganism slip casting after shield tunnel liner wall, actively improving tunnel.
Description
Technical field
The present invention relates to a kind of raising shield tunnel it is corrosion-resistant, it is erosion performance be used for tunnel-liner grouting behind shaft or drift lining layer and
Soil layer interface injection microbial bacterial, the injection device of nutrient solution mixed liquor.
Background technology
Focused primarily upon at present for the measure and research that improve shield tunnel construction durability and improve armored concrete material
The passive raising of the durability of material, i.e. durability.Tunnel structure concrete structure is intact, water-stagnating effect ideally, it is resistance to
Long property it is passive improve can realize the operation security of tunnel structure with it is durable.But reinforced concrete structure holds in prefabrication process
The defects of being also easy to produce microcrack, and producing crack, rhegma during transport, assembly, the disease such as waterstop failure is also tunnel
Road structure is frequently run onto in operation, this will impact the durability of shield tunnel.
Microorganism grouting method after lining wall can realize that tunnel structure is corrosion-resistant, active of erosion performance lifting.But
Including the grouting device applied to shield tunnel slip casting is not accounted for for the characteristic of microbial bacterial and nutrient solution at present, mainly
Slurries are made to fill in tunnel duct piece and formation void by grouting pressure, and slip casting direction underaction, therefore it is thin for microorganism
The injection of bacterium bacterium solution cannot be applicable in.
The content of the invention
It is existing to solve the object of the present invention is to provide microorganism grouting device and method after a kind of shield tunnel liner wall
Shield tunnel liner grouting behind shaft or drift lining device for microorganism slip casting applicability deficiency,
To achieve the above object, the technical solution adopted by the present invention is：
Microorganism grouting device after a kind of shield tunnel liner wall, including microorganism holding vessel, nutrient solution holding vessel, mixing
Liquid holding vessel and rotatable casting head, the microorganism holding vessel are equipped with the dry bacterium of denitrifying bacteria and enriched medium, the training
Nutrient solution is housed in nutrient solution holding vessel；Microorganism holding vessel and nutrient solution holding vessel are connected by pipeline and mixed liquor holding vessel respectively
Connect, the connecting line of the microorganism holding vessel and mixed liquor holding vessel, and the company of nutrient solution holding vessel and mixed liquor storage tank
Adapter is both provided with control valve and grouting pump on road, and grouting pump is connected with pressure gauge；The outlet of the mixed liquor storage tank passes through
Grouting Pipe is connected with rotatable casting head, and control valve and grouting pump are provided with Grouting Pipe, and grouting pump is connected with pressure gauge.
Further, the rotatable casting head includes casting head, and the casting head is a rectangular tube, its bottom passes through
Flexible steel in flat section tubing is connected with Grouting Pipe；The center of opposite two side of the casting head sets the first fixing axle, should
Two shafts are respectively arranged with two of two sides are diagonal, are respectively upper end shaft and lower end shaft, described first fixes
Axis is by fixed connecting rod with being arranged in Grouting Pipe and fixing axis connection, the upper end shaft with the second of the first fixing axle homonymy
On be connected with the first controls connecting rod, be provided with the Grouting Pipe of the first controls connecting rod side up and down two fixing points, respectively
For the first fixing point and the second fixing point, the second controls connecting rod is connected with the lower end shaft, positioned at the second controls connecting rod one
Two fixing points up and down are provided with the Grouting Pipe of side, are respectively the 3rd fixing point and the 4th fixing point.
Further, the material of the flexible steel in flat section tubing is elastic rubber.
Further, the cross section of the casting head is square, its catercorner length is less than slip casting bore dia.
Further, the distance between described first fixing point and the second fixing point, the 3rd fixing point and the 4th fixing point
The distance between it is identical, it is identical with the height of casting head.
Further, first fixing point is identical with the height of the 4th fixing point.
A kind of grouting method using microorganism grouting device after above-mentioned shield tunnel liner wall, comprises the following steps：
(1) once grouting is performed according to conventional shield tunnel liner grouting behind shaft or drift lining method；
(2) in the secondary grouting of constructing tunnel, first this grouting layer is drilled, to grouting layer behind soil layer, after centrifugation
The dry bacterium of denitrification class bacterium and enriched medium load microbial inoculum holding vessel, nutrient solution load nutrient solution holding vessel, lead to
The control valve and grouting pump on microorganism holding vessel and nutrient solution holding vessel export pipeline are overregulated, controls matching somebody with somebody for mixing liquid
Than, and it is passed through mixed liquor holding vessel；
(3) slip casting is realized by rotatable casting head, injection microbial bacterial mixed liquor includes 3 directions altogether：Tunnel serves as a contrast
Build outer normal direction, the front and rear sides in tunnel axis direction；
(4) after the injection of microbial bacterial mixed liquor, grouting device is taken out, then carry out the closure of injected hole.
Further, in step (2), microbial inoculum holding vessel to mixed liquor holding vessel inject microbial inoculum when temperature
Between 0 DEG C~10 DEG C, nutrient solution holding vessel is to temperature during mixed liquor holding vessel injection nutrient solution between 10 DEG C~25 DEG C.
Further, in step (3), during slip casting, the injection pressure of mixed liquor is maintained at no more than 2MPa.
Further, in step (3), position of first controls connecting rod between the first fixing point and the second fixing point is passed through
Put, and position of second controls connecting rod between the 3rd fixing point and the 4th fixing point, to adjust slip casting direction.
Beneficial effect：Apparatus of the present invention are realized to the microorganism slip casting after shield tunnel liner wall, actively improve tunnel
Corrosion-resistant, erosion performance, the present apparatus has the advantage that compared with existing grouting device：
(1) direction of casting head can be controlled by controls connecting rod, is realized along tunnel-liner normal direction with being indulged along tunnel
To and the multi-direction slip castings such as tunnel-liner is tangential, realize the uniformity of slip casting.
(2) slip casting effect that can be optimal by the control to microbial inoculum, culture-liquid temp.
(3) adjustment matched to microbial inoculum and nutrient solution can be realized by the control of rear end grouting pressure.
(4) front end grouting pressure can be controlled to maintain smaller value, to ensure that injection mixed liquor too fast will not be lost in, makes it
Can fully it be mixed with soil layer, bacterium and nutrient solution can be uniformly distributed in the soil layer adjacent with tunnel-liner grouting behind shaft or drift lining layer.
(5) be used for inject microbial bacterial, the grouting device of nutrient solution mixed liquor may be simultaneously used for other slurries
Injection, for filling not full region and the closure of injected hole of once grouting, the multipurpose of realization device and more preferable use.
Brief description of the drawings
Fig. 1 is the structure diagram of the device of the invention；
Fig. 2 is the schematic diagram of an angle of rotatable casting head；
Fig. 3 is the schematic diagram of another angle of rotatable casting head；
Fig. 4 is the schematic diagram of the first controls connecting rod；
Fig. 5 is the schematic diagram of the second controls connecting rod；
Fig. 6 is the schematic diagram of the first fixed rotating shaft and the second fixed rotating shaft；
Fig. 7 is rotatable casting head along schematic diagram during the slip casting of Grouting Pipe direction；
Fig. 8 for rotatable casting head perpendicular to the slip casting of Grouting Pipe direction when schematic diagram；
Fig. 9 is microorganism injection phase and direction schematic diagram after lining wall.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
It is as shown in Figure 1 microorganism grouting device after a kind of shield tunnel liner wall, including microorganism holding vessel 1, culture
Liquid holding vessel 2, mixed liquor holding vessel 3 and rotatable casting head 4, the microorganism holding vessel 1 equipped with the dry bacterium of denitrifying bacteria and
Enriched medium, is equipped with nutrient solution in the nutrient solution holding vessel 2；Microorganism holding vessel 1 and nutrient solution holding vessel 2 pass through respectively
Pipeline is connected with mixed liquor holding vessel 3, and microorganism holding vessel 1 on the connecting line of mixed liquor holding vessel 3 with being provided with the first control
5 and first grouting pump 6 of valve processed, the first grouting pump 6 are connected with first pressure gauge 7；Nutrient solution holding vessel 2 and mixed liquor holding vessel 3
Connecting line on be provided with the second control valve 8 and the second grouting pump 9, the second grouting pump 9 is connected with second pressure gauge 10；Mixing
The outlet of liquid holding vessel 3 is connected by Grouting Pipe 14 with rotatable casting head 4, and 11 He of third control valve is provided with Grouting Pipe 14
3rd grouting pump 12, the 3rd grouting pump are connected with the 3rd pressure gauge 13.
Wherein, as shown in figures 2-6, rotatable casting head 4 includes casting head 401, and casting head 401 is a rectangular tube, its
Bottom is connected by flexible steel in flat section tubing 402 with Grouting Pipe 14；The center of opposite two side of casting head 401 sets the
One fixing axle 403, two of two sides it is diagonal on be respectively arranged with two shafts, respectively positioned at the upper of two sides
The upper end shaft 404 at end and the lower end shaft 405 positioned at the lower end of two sides, wherein, upper end shaft 404, first is fixed
Axis 403, lower end shaft 405 are located on a diagonal of two sides；First fixing axle 403 by fixed connecting rod 406 with
It is arranged in Grouting Pipe 14 and is connected with the second fixing axle 407 of 403 homonymy of the first fixing axle, is connected with upper end shaft 404
First controls connecting rod 408, is provided with two fixing points up and down, respectively in the Grouting Pipe 14 of 408 side of the first controls connecting rod
For the first fixing point 410 and the second fixing point 411, when the first controls connecting rod 408 is moved to the second fixation from the first fixing point 410
During point 411, one end that the first controls connecting rod 408 is connected with upper end shaft 404 can rotate 90 ° around upper end shaft 404；Under described
The second controls connecting rod 409 is connected with the shaft 405 of end, is provided with the Grouting Pipe 14 of 409 side of the second controls connecting rod
Lower two fixing points, are respectively the 3rd fixing point 412 and the 4th fixing point 413；When the second controls connecting rod 409 is from the 4th fixing point
413 when being moved to three fixing points 412, and one end that the second controls connecting rod 409 is connected with lower end shaft 405 can be around lower end shaft
405 rotate 90 °.
Wherein, the material of flexible steel in flat section tubing 402 is elastic rubber.
The cross section of casting head 401 is square, its catercorner length is less than slip casting bore dia.
The distance between first fixing point 410 and the second fixing point 411, the 3rd fixing point 412 and the 4th fixing point 413 it
Between distance it is identical, it is identical with the height of casting head 401.
First fixing point 410 is identical with the height of the 4th fixing point 413.
Such as Fig. 7 and 8, since the middle part of casting head 401 is provided with the first fixing axle 403, and by fixed connecting rod 406 with
Second fixing axle 407 connects, and casting head 401 is installed on flexible steel in flat section tubing 402, by the first controls connecting rod for moving both sides
408 and second controls connecting rod 409, the direction of casting head 401 can be caused to change, realize the slip casting of different directions.
Pass through position of first controls connecting rod 408 between the first fixing point 410 and the second fixing point 411, and second
Position of the controls connecting rod 409 between the 3rd fixing point 412 and the 4th fixing point 413, to adjust slip casting direction.When the first control
408 afterbody of connecting rod is located at the first fixing point 410, when 409 afterbody of the second controls connecting rod is located at the 4th fixing point 413, realizes
Along 14 direction slip casting of Grouting Pipe；The first controls connecting rod 408 is pulled from first the 410 to the second fixing point of fixing point 411, the second control
Connecting rod 409 processed is realized perpendicular to 14 direction slip casting of Grouting Pipe from the 4th fixing point 413 to the 3rd fixing point 412；Using same
Principle, it can be achieved that another perpendicular to 14 direction slip casting of Grouting Pipe.
The grouting method of microorganism grouting device, comprises the following steps after a kind of above-mentioned shield tunnel liner wall：
(1) once grouting is performed according to conventional shield tunnel liner grouting behind shaft or drift lining method；
(2) in the secondary grouting of constructing tunnel, from slip casting hole drilling to grouting layer with the soil layer interface of outside, drilling directly
Footpath ensures that casting head can be deep enough；First this grouting layer is drilled, to grouting layer behind soil layer, by the denitrification class bacterium after centrifugation
Dry bacterium and enriched medium load microbial inoculum holding vessel, and nutrient solution loads nutrient solution holding vessel, are stored up by adjusting microorganism
The control valve and grouting pump on tank and nutrient solution holding vessel export pipeline are deposited, controls the proportioning of mixing liquid, and is passed through mixed liquor
Holding vessel；
Wherein, microbial inoculum holding vessel to mixed liquor holding vessel inject microbial inoculum when temperature 0 DEG C~10 DEG C it
Between, nutrient solution holding vessel is to temperature during mixed liquor holding vessel injection nutrient solution between 10 DEG C~25 DEG C.Holding vessel has good
Heat-insulating property, 24 interior bacterium solutions when small and culture-liquid temp change are no more than 15 DEG C；It is fixed that its volume can be needed according to practice of construction
Do.
(3) slip casting is realized by rotatable casting head, injection microbial bacterial mixed liquor includes 3 directions altogether：Tunnel serves as a contrast
Build outer normal direction, the front and rear sides in tunnel axis direction；Wherein, by the first controls connecting rod in the first fixing point and the second fixing point
Between position, and position of second controls connecting rod between the 3rd fixing point and the 4th fixing point, to adjust slip casting direction.
During slip casting, the injection pressure of mixed liquor is maintained at no more than 2MPa, and occurrence can base area layer soil body infiltration coefficient
Determine.
(4) after the injection of microbial bacterial mixed liquor, grouting device is taken out, then carry out the closure of injected hole.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
- A kind of 1. microorganism grouting device after shield tunnel liner wall, it is characterised in that：Including microorganism holding vessel (1), culture Liquid holding vessel (2), mixed liquor holding vessel (3) and rotatable casting head (4), the microorganism holding vessel (1) are thin equipped with denitrification The dry bacterium of bacterium and enriched medium, are equipped with nutrient solution in the nutrient solution holding vessel (2)；Microorganism holding vessel (1) and nutrient solution storage Deposit tank (2) to be connected with mixed liquor holding vessel (3) by pipeline respectively, the microorganism holding vessel (1) and mixed liquor holding vessel (3) Connecting line, and be both provided with control valve and slip casting on the connecting line of nutrient solution holding vessel (2) and mixed liquor holding vessel (3) Pump, grouting pump are connected with pressure gauge；The outlet of the mixed liquor holding vessel (3) passes through Grouting Pipe (14) and rotatable casting head (4) connect, Grouting Pipe is provided with control valve and grouting pump on (14), and grouting pump is connected with pressure gauge；The rotatable casting head (4) casting head (401) is included, the casting head (401) is a rectangular tube, its bottom passes through flexible steel in flat section tubing (402) and note Slurry pipe (14) connection；The center of opposite two side of the casting head (401) sets the first fixing axle (403), should Two shafts are respectively arranged with two of two sides are diagonal, respectively upper end shaft (404) and lower end shaft (405), institute State the first fixing axle (403) by fixed connecting rod (406) and be arranged in Grouting Pipe (14) and with the first fixing axle (403) homonymy The second fixing axle (407) connection, the first controls connecting rod (408) is connected with the upper end shaft (404), positioned at the first control Two fixing points up and down are provided with the Grouting Pipe (14) of connecting rod (408) side, are respectively that the first fixing point (410) and second are solid Pinpoint (411), the second controls connecting rod (409) is connected with the lower end shaft (405), positioned at the second controls connecting rod (409) one Two fixing points up and down are provided with the Grouting Pipe (14) of side, are respectively the 3rd fixing point (412) and the 4th fixing point (413).
- 2. microorganism grouting device after shield tunnel liner wall according to claim 1, it is characterised in that：The flexibility is even The material for taking over (402) is elastic rubber.
- 3. microorganism grouting device after shield tunnel liner wall according to claim 1, it is characterised in that：The casting head (401) cross section is square, its catercorner length is less than slip casting bore dia.
- 4. microorganism grouting device after shield tunnel liner wall according to claim 1, it is characterised in that：Described first is solid Pinpoint the distance between (410) and the second fixing point (411), between the 3rd fixing point (412) and the 4th fixing point (413) away from It is identical with the height of casting head (401) from identical.
- 5. microorganism grouting device after shield tunnel liner wall according to claim 1, it is characterised in that：Described first is solid It is identical with the height of the 4th fixing point (413) to pinpoint (410).
- 6. the grouting method of microorganism grouting device after a kind of any shield tunnel liner wall using claim 1-5, It is characterized in that：Comprise the following steps：(1) once grouting is performed according to conventional shield tunnel liner grouting behind shaft or drift lining method；(2) in the secondary grouting of constructing tunnel, first this grouting layer is drilled, will be anti-after centrifugation to grouting layer behind soil layer The dry bacterium of Nitrite bacteria and enriched medium load microbial inoculum holding vessel, and nutrient solution loads nutrient solution holding vessel, passes through tune The control valve and grouting pump on microorganism holding vessel and nutrient solution holding vessel export pipeline are saved, controls the proportioning of mixing liquid, and It is passed through mixed liquor holding vessel；(3) slip casting is realized by rotatable casting head, injection microbial bacterial mixed liquor includes 3 directions altogether：Outside tunnel-liner Normal direction, the front and rear sides in tunnel axis direction；(4) after the injection of microbial bacterial mixed liquor, grouting device is taken out, then carry out the closure of injected hole.
- 7. grouting method according to claim 6, it is characterised in that：In step (2), microbial inoculum holding vessel is to mixing Between 0 DEG C~10 DEG C, nutrient solution holding vessel is injected to mixed liquor holding vessel to be trained temperature when liquid holding vessel injects microbial inoculum Temperature is between 10 DEG C~25 DEG C during nutrient solution.
- 8. grouting method according to claim 6, it is characterised in that：In step (3), during slip casting, the injection pressure of mixed liquor Power is maintained at no more than 2MPa.
- 9. grouting method according to claim 6, it is characterised in that：In step (3), by the first controls connecting rod first Position between fixing point and the second fixing point, and position of second controls connecting rod between the 3rd fixing point and the 4th fixing point Put, to adjust slip casting direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791405.0A CN106285723B (en) | 2016-08-30 | 2016-08-30 | Microorganism grouting device and method after a kind of shield tunnel liner wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791405.0A CN106285723B (en) | 2016-08-30 | 2016-08-30 | Microorganism grouting device and method after a kind of shield tunnel liner wall |
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| Publication Number | Publication Date |
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| CN106285723A CN106285723A (en) | 2017-01-04 |
| CN106285723B true CN106285723B (en) | 2018-05-08 |
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| CN111287770A (en) * | 2020-03-05 | 2020-06-16 | 中煤能源研究院有限责任公司 | Method for preventing coal wall caving by reinforcing coal body through microbial grouting |
| CN111411646B (en) * | 2020-03-27 | 2021-01-12 | 中山大学 | Microbial anti-seepage grouting device and method for river-crossing tunnel lining segment |
| CN111425221A (en) * | 2020-04-23 | 2020-07-17 | 夏玉军 | Combined structure for grouting and repairing tunnel crack by biological slurry and construction method thereof |
| CN111648786B (en) * | 2020-06-13 | 2022-01-28 | 浙江腾圣环境工程有限公司 | Microbial slurry compounding device for tunnel repair and construction method thereof |
| CN115450198B (en) * | 2022-10-31 | 2024-05-14 | 西安建筑科技大学 | Device for solidifying loess foundation through microorganism pressurization grouting and method for solidifying loess foundation |
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| CN102493494A (en) * | 2011-12-12 | 2012-06-13 | 山东建筑大学 | Method for sealing vertical cracks of basement concrete structures by using microbial grouting |
| CN103306684A (en) * | 2012-03-08 | 2013-09-18 | 中铁隧道集团有限公司 | Process for grouting on back of shield segment |
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| CN104631430A (en) * | 2014-12-29 | 2015-05-20 | 南京林业大学 | Method for soft soil foundation treatment through microorganism grouting sand drain |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3516192B2 (en) * | 1996-03-25 | 2004-04-05 | 清水建設株式会社 | Construction method of large section tunnel and shield machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255799A (en) * | 2008-04-18 | 2008-09-03 | 上海市第二市政工程有限公司 | Tunnel inner micro-destabilization slip-casting technique |
| CN102493494A (en) * | 2011-12-12 | 2012-06-13 | 山东建筑大学 | Method for sealing vertical cracks of basement concrete structures by using microbial grouting |
| CN103306684A (en) * | 2012-03-08 | 2013-09-18 | 中铁隧道集团有限公司 | Process for grouting on back of shield segment |
| CN203488191U (en) * | 2013-09-28 | 2014-03-19 | 中铁二十局集团第二工程有限公司 | Grouting system for tunnel water plugging construction |
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| CN104631430A (en) * | 2014-12-29 | 2015-05-20 | 南京林业大学 | Method for soft soil foundation treatment through microorganism grouting sand drain |
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| CN106285723A (en) | 2017-01-04 |
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