CN105484298A - Microorganism reinforced grouting maintenance test device - Google Patents
Microorganism reinforced grouting maintenance test device Download PDFInfo
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- CN105484298A CN105484298A CN201610011313.6A CN201610011313A CN105484298A CN 105484298 A CN105484298 A CN 105484298A CN 201610011313 A CN201610011313 A CN 201610011313A CN 105484298 A CN105484298 A CN 105484298A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The invention discloses a microorganism reinforced grouting maintenance test device. The microorganism reinforced grouting maintenance test device comprises a microorganism grouting table, a bracket and a sample maintenance box; the microorganism grouting table is connected with the bracket through a liquid inlet pipe and a liquid inlet pipe joint; and the microorganism grouting table is put in a guide rail tank of the sample maintenance box, and the bracket is put in a bracket chute of the sample maintenance box. Four boxes are arranged on the microorganism grouting table, and are respectively a clear liquid box, a bacteria liquid box, a fixed liquid box and a cementing liquid box; the four boxes are respectively connected with four micro water pumps through four liquid inlet pipes; the four liquid inlet pipes are correspondingly connected with four flow speed monitoring instruments on a panel of the sample maintenance box, are connected out of the liquid inlet pipes from the four flow speed monitoring instruments to be merged into a liquid inlet main pipe; and the liquid inlet main pipe is connected with a liquid inlet of an upper rubber clamping plug through a liquid inlet pipe main joint. The microorganism reinforced grouting maintenance test device can control such factors as grouting pressure, flowing speed and temperature in the grouting process, and the factors are all monitored and adjusted by corresponding numerical value instruments, so that the inaccuracy of manual operation is reduced, and the accuracy of experiment results is improved.
Description
Technical field
The present invention relates to a kind of experimental rig, be specifically related to a kind of microorganism and reinforce grouting maintenance experimental rig.
Background technology
At present, in more reservoir stability hazards control, can be summarized as draining, off-loading, reinforcing, conventional engineering measure mainly contains anchor pole, anchor cable, slope to reduce load etc., have employed cement, lime, chemical grouting material or biological enzyme and carry out Rock And Soil reinforcing in part geotechnical engineering.Since 21 century, subject crossing has shown powerful competitiveness in some advanced problems of process, wherein, microorganism consolidation by grouting technology is the novel Rock And Soil reinforcement means of one that latest developments are got up, the method mainly utilizes microorganism can grow in porous media, migrate and the characteristic such as breeding carries out Rock And Soil modification, be not only brand-new theoretical breakthrough and technological innovation, and will far-reaching influence be brought to ecological environment and sustainable development.But microorganism is reinforced and is mainly used in the pore structure and permeability that improve the soil body at present, improve the strength and stiffness of the soil body, and achieve significant effect, but up to now, rarely have and reinforce relevant research about Jointed Rock Masses microorganism.Often there is the defect of a large amount of microcosmic such as joint fissure or macroscopic view in natural rock mass, the existence of these joint fissures have impact on the stress field of rock mass structure inside, seepage field and chemical fields greatly, and its character often controls the stable of whole rock mass structure.Research shows, a large amount of rock mass engineering project is if the unstability such as side slope, the dam foundation is by weak structural face or to cause along the destruction of structural plane.After typical Three Gorges Projects are completed, the reservoir level of reservoir area of Three Gorges significantly promote and between 145 ~ 175m Ku Shui falling zone circulation change, there is vegetation hardly in this region, ROCK MASS JOINT, crack reach full growth, opening width is comparatively large, and in layering disintegration, broken trend, and this destruction is progressive development trend, physics, the change of mechanical property of jointed rock mass will directly affect the stabilization of reservoir stability, probably make stable reservoir stability to unstable future development.Conventional reinforcement means limits the application of these methods owing to there is the shortcomings such as high energy consumption, high pollution discharge and high cost.
Summary of the invention
For the shortcoming that existing reinforcement means exists, a kind of microorganism is the object of the present invention is to provide to reinforce grouting maintenance experimental rig, this device has following feature: first, the factors such as grouting pressure, flow velocity, temperature can be controlled in slip casting process, these factors are undertaken monitoring and regulating by corresponding numerical value instrument, decrease the inaccuracy of manual operation, improve the accuracy of experimental result.The second, sample curing box can the microorganism of maintenance reaction type (anaerobic type or aerobic), can control under the condition of aerobic and anaerobic to the reinforcing condition of microorganism; 3rd, in view of sample curing box box volume is comparatively large, be provided with pulley at bottom half especially, be convenient to mobile.
The technical solution adopted in the present invention is:
A kind of microorganism reinforces grouting maintenance experimental rig, comprise microorganism slip casting platform, support, sample curing box, microorganism slip casting platform is connected with support with feed tube joint by feed tube, and microorganism slip casting platform, support are shelved on guide-track groove, the bracket chute of sample curing box respectively.Microorganism slip casting platform has four casings, clear liquid case, bacterium liquid case, fixer case, consolidating fluid case respectively, four casings are connected with four micro pumps respectively by four feed tubes, four feed tubes are corresponding connected respectively with four flow monitoring instrument on sample curing box panel again, after four flow monitoring instrument pick out feed tube, be merged into a feed liquor house steward, feed liquor house steward is connected with the inlet of upper rubber bayonet socket plug by the total joint of feed tube.
Cushion coat is provided with below upper rubber bayonet socket plug; sample is under cushion coat; sample to be reinforced is contained in and is contained in polypropylene PP mould; the organic glass sleeve for protecting mould is had outside polypropylene PP mould; it is fixing that polypropylene PP mould and organic glass sleeve fill in row by upper rubber bayonet socket plug, lower rubber bayonet socket; lower rubber bayonet socket is provided with liquid outlet beyond the Great Wall, and drain pipe is connected with liquid outlet, is discharged in exhausted bath box by unnecessary waste liquid.
Described organic glass sleeve is shelved in sleeve stationary magazine creel, and support pulley divided into by support, is convenient to the movement of support in sample curing box.
Described microorganism slip casting platform is shelved on the guide-track groove of sample curing box; Described microorganism slip casting platform can horizontally slip on the guide-track groove of sample curing box; Support is shelved on the bracket chute of sample curing box; Support can left and right push-and-pull in the bracket chute of sample curing box; The panel top and the bottom of sample curing box are provided with by the visual windows made with tempered glass, and the middle panel of sample curing box is provided with flow detector, velocity of flow adjust switch, precise digital display pressure gauge, precision voltage regulator, curing box temperature indicator and temperature adjustment buttons.For controlling slip casting flow velocity, grouting pressure and maintenance the temperature inside the box in curing box.Sample curing box top is provided with pore in addition, and to be convenient in Control Assay curing box whether aerobic situation, bottom is provided with curing box pulley and is convenient to moving integrally sample curing box.
Described clear liquid case, bacterium liquid case, fixer case and consolidating fluid case are equipped with the graduation mark for measuring reservoir quantity.
The table top of described microorganism slip casting platform is provided with four holes, is convenient to feed tube and is connected with device section below through table top.
Described cushion coat makes a block being convenient to place, and cushion coat is used for institute's fluid injection body to be evenly distributed to sample upper surface to be reinforced.
The space of 3mm is had between described polypropylene PP mould and organic glass sleeve.
Described support is provided with the grip end of push-and-pull support.Support is used for carrying out support to the feed tube connected, upper rubber bayonet socket plug, lower rubber bayonet socket plug, cushion coat, the polypropylene PP mould that sample to be fixed is housed and machine glass sleeve to be fixed.
Be provided with side door on the right side of described sample curing box, side door have curing box door handle.
A kind of microorganism of the present invention reinforces grouting maintenance experimental rig, and technique effect is as follows:
1), described clear liquid case, bacterium liquid case, fixer case and consolidating fluid case are equipped with the graduation mark for measuring reservoir quantity.
2), the table top of described microorganism slip casting platform is provided with four holes, is convenient to feed tube and is connected with device section below through table top.
3), described cushion coat makes a block being convenient to place, for institute's fluid injection body is evenly distributed to sample upper surface to be fixed.
4) space of 3mm, is had between polypropylene PP mould and organic glass sleeve.
5), apparatus of the present invention can control injection flow velocity and the injection pressure of various liquid in microorganism filling process.
6), in the reinforcing process of the present invention after microorganism has been in the milk, can in the temperature of Control Assay curing box and case oxygen with or without.
Accompanying drawing explanation
Fig. 1 is microorganism slip casting platform schematic diagram of the present invention;
Fig. 2 is support schematic diagram of the present invention;
Fig. 3 is sample curing box schematic diagram of the present invention;
Fig. 4 is microorganism provisions for grouting main body schematic diagram of the present invention;
Fig. 5 is polypropylene PP mode host visual pattern of the present invention;
Fig. 6 is organic glass sleeve front view of the present invention;
Fig. 7 is rubber bayonet socket plug front view of the present invention and top view;
Fig. 8 is cushion coat schematic diagram of the present invention.
Wherein: 1-filtered water tank, 2-bacterium liquid case, 3-fixer case, 4-consolidating fluid case, 5-micro pump, 6-feed tube, 7-liquid stopping clamp, the total joint of 8-feed tube, 9-inlet, 10-upper rubber bayonet socket plug, 10 '-lower rubber bayonet socket plug, 11-cushion coat, 11 '-bottom breaker, 12-polypropylene PP mould, 13-organic glass sleeve, 14-sample: rock sample or sand sample, 15-liquid outlet, 16-drain pipe, 17-exhausted bath box, 18-microorganism slip casting platform, 19-support, 20-sleeve stationary magazine creel, 21-grip end, 22-pulley, 23-guide-track groove, 24-velocity of flow adjust switch, 25-flow monitoring instrument, 26-precision voltage regulator, 27-precise digital display pressure gauge, 28-curing box door handle, 29-visual windows, 30-curing box temperature indicator, 31-temperature adjustment buttons, 32-bracket chute, 33-curing box pulley.
Detailed description of the invention
As shown in Fig. 1 ~ Fig. 8, a kind of microorganism reinforces grouting maintenance experimental rig, comprise microorganism slip casting platform 18, support 19, sample curing box, microorganism slip casting platform 18 is connected with support 19 with feed tube joint by feed tube 6, and microorganism slip casting platform 18, support 19 are shelved in the guide-track groove 23 of sample curing box, bracket chute 32 respectively.Microorganism slip casting platform 18 has four casings, clear liquid case 1, bacterium liquid case 2, fixer case 3, consolidating fluid case 4 respectively, four casings are connected with four micro pumps 5 respectively by four feed tubes 6, four feed tubes 6 are corresponding connected respectively with four flow monitoring instrument 25 on sample curing box panel again, after four flow monitoring instrument 25 pick out feed tube 6, be merged into a feed liquor house steward, feed liquor house steward is connected with the inlet 9 of upper rubber bayonet socket plug 10 by the total joint of feed tube 8;
Upper rubber bayonet socket plug 10 is provided with cushion coat 11 below; cushion coat is sample 14 11 times; sample 14 to be reinforced is contained in and is contained in polypropylene PP mould 12; the organic glass sleeve 13 for protecting mould is had outside polypropylene PP mould 12; polypropylene PP mould 12 is fixed by upper rubber bayonet socket plug 10, lower rubber bayonet socket plug 10 ' with organic glass sleeve 13; lower rubber bayonet socket plug 10 ' is provided with liquid outlet 15; drain pipe 16 is connected with liquid outlet 15, is discharged in exhausted bath box 17 by unnecessary waste liquid.
Described organic glass sleeve 13 is shelved in sleeve stationary magazine creel 20, and support pulley 22 divided into by support 19, is convenient to the movement of support 19 in sample curing box.
Described microorganism slip casting platform 18 is shelved on the guide-track groove 23 of sample curing box; Described microorganism slip casting platform 18 can horizontally slip on the guide-track groove 23 of sample curing box; Support 19 is shelved on the bracket chute 32 of sample curing box; Support 19 can left and right push-and-pull in the bracket chute 32 of sample curing box; The panel top and the bottom of sample curing box are provided with by the visual windows 29 made with tempered glass, and the middle panel of sample curing box is provided with flow detector 25, velocity of flow adjust switch 24, precise digital display pressure gauge 27, precision voltage regulator 26, curing box temperature indicator 30 and temperature adjustment buttons 31.For controlling slip casting flow velocity, grouting pressure and maintenance the temperature inside the box in curing box.Sample curing box top is provided with pore 34 in addition, and to be convenient in Control Assay curing box whether aerobic situation, bottom is provided with curing box pulley 33, is convenient to moving integrally sample curing box.
Described clear liquid case 1, bacterium liquid case 2, fixer case 3 and consolidating fluid case 4 are equipped with the graduation mark for measuring reservoir quantity.
The table top of described microorganism slip casting platform 18 is provided with four holes, is convenient to feed tube 6 and is connected with device section below through table top.
Described cushion coat 11 makes a block being convenient to place, and cushion coat 11 is for being evenly distributed to sample 14 upper surface to be reinforced by institute's fluid injection body.
The space of 3mm is had between described polypropylene PP mould 12 and organic glass sleeve 13.
Described support 19 is provided with the grip end 21 of push-and-pull support.Support 19 is fixed for carrying out support to the feed tube 6 connected, upper rubber bayonet socket plug 10, lower rubber bayonet socket plug 10 ', cushion coat 11, the polypropylene PP mould 12 that sample 14 to be fixed is housed and machine glass sleeve 13.
Be provided with side door on the right side of described sample curing box, side door have curing box door handle 28.
Described flow detector 25 is for monitoring slip casting flow velocity.
Described velocity of flow adjust switch 24 is for suitably regulating the flow velocity monitored.
Described precise digital display pressure gauge 27 is for monitoring the grouting pressure in slip casting process.
Described precision voltage regulator 26 is for regulating grouting pressure.
Described curing box temperature indicator 30 is for monitoring the curing temperature in sample curing box.
Described temperature adjustment buttons 31 is for regulating the curing temperature in sample curing box.
A kind of microorganism reinforces grouting maintenance test method, comprises the following steps:
Step 1: first experimenter will inject the liquid of respective volume respectively in clear liquid case 1, bacterium liquid case 2, fixer case 3 and consolidating fluid case 4 four casings, then micro pump 5 is connected with four casings respectively by feed tube 6, then feed tube 6 is picked out stand-by from micro pump 5.
Step 2: cushion coat is placed on lower rubber bayonet socket plug 10 ', and be pressed into cushion coat upper surface concordant with rubber bayonet socket plug, polypropylene PP mould 12 put into by sample 14 to be reinforced again, polypropylene PP mould 12 is inserted in the bayonet socket of rubber bayonet socket plug, then organic glass sleeve 13 is vertically shelved on rubber bayonet socket plug, and the outside of organic glass sleeve 13 is concordant with the outside of rubber bayonet socket plug, finally an other block buffering layer is placed on sample 14 to be reinforced, and bayonet socket blocks according to the position of polypropylene PP mould 12 with organic glass sleeve 13 by upper rubber bayonet socket plug 10.
Step 3: putting into polypropylene PP mould 12 wait the sample 14 reinforced and after installing, first microorganism slip casting platform 18 is shelved on the guide-track groove 23 of sample curing box, again support 19 is shelved in the bracket chute 32 of sample curing box, then the feed tube picked out from micro pump 5 is received respectively on the flow monitoring instrument 25 of sample curing box panel, pick out from flow monitoring instrument 25 again, then the pipeline picked out is received on inlet by feed tube joint 8, microorganism slip casting platform, support and sample curing box connected into an overall device with this.
Step 4: the injection of clear water.Microorganism slip casting platform 18 is pulled out, open the liquid stopping clamp 7 of clear liquid case 1 and the micro pump corresponding with filtered water tank, again microorganism slip casting platform 18 is advanced sample curing box, close sample maintenance chamber door, start injection sample 14 being carried out to clear water, the object of this step is the impurity in order to clean in rock (sand) sample, for the injection of microorganism provides clean environment.In the process of injected clear water, the flow velocity injected by observation flow detector 25 and adjustment velocity of flow adjust switch 24 pairs of clear water is controlled, the pressure injected by observation precise digital display pressure gauge 27 and adjustment precision pressure regulator 26 pairs of clear water is controlled, by observing curing box temperature indicator 30 and regulating the temperature of temperature adjustment buttons 31 pairs of sample curing boxes to control.
Step 5: the injection of bacterium liquid, fixer and consolidating fluid: step, with the injection of clear water, repeats no more here.
Step 6: according to the requirement of experimental design, step 5 several times are carried out in circulation.
Step 7: after slip casting completes, carry out maintenance to the microorganism of injecting, curing time and temperature experimentally designing requirement set.
Step 8: after maintenance terminates, open sample maintenance chamber door, microorganism slip casting platform 18 and support 19 are pulled out simultaneously, open feed tube joint, microorganism slip casting platform 18 is pushed sample curing box again, so that vacate enough spaces, organic glass sleeve is taken out from sleeve stationary magazine creel, the detection of taking out the microcosmic observation after reinforcing for follow-up relevant crack and respective strengths through the sample 14 after microorganism reinforcing.
Step 9: four casings on cleaning microorganism slip casting platform 18 and exhausted bath box 17, arrange pipeline, cleaning support 19 and sample curing box, be convenient to test next time.
Claims (11)
1. a microorganism reinforces grouting maintenance experimental rig, comprise microorganism slip casting platform (18), support (19), sample curing box, microorganism slip casting platform (18) is connected with support (19) with feed tube joint by feed tube (6), and microorganism slip casting platform (18), support (19) are shelved in the guide-track groove (23) of sample curing box, bracket chute (32) respectively, it is characterized in that: on microorganism slip casting platform (18), have four casings, clear liquid case (1) respectively, bacterium liquid case (2), fixer case (3), consolidating fluid case (4), four casings are connected with four micro pumps (5) respectively by four feed tubes (6), four feed tubes (6) are corresponding connected respectively with four flow monitoring instrument (25) on sample curing box panel again, after four flow monitoring instrument (25) pick out feed tube (6), be merged into a feed liquor house steward, feed liquor house steward is connected by the total joint of feed tube (8) and upper rubber bayonet socket plug (10), upper rubber bayonet socket plug (10) is provided with cushion coat (11) below, sample (14) is under cushion coat (11), sample (14) to be reinforced is contained in and is contained in polypropylene PP mould (12), there is the organic glass sleeve (13) for protecting mould in polypropylene PP mould (12) outside, polypropylene PP mould (12) and organic glass sleeve (13) are by upper rubber bayonet socket plug (10), lower rubber bayonet socket plug (10 ') is fixed, lower rubber bayonet socket plug (10 ') is provided with liquid outlet (15), drain pipe (16) is connected with liquid outlet (15), unnecessary waste liquid is discharged in exhausted bath box (17).
2. a kind of microorganism reinforces grouting maintenance experimental rig according to claim 1, it is characterized in that: described organic glass sleeve (13) is shelved in the sleeve stationary magazine creel (20) of support (19), and support pulley (22) divided into by support (19).
3. a kind of microorganism reinforces grouting maintenance experimental rig according to claim 1, it is characterized in that: described microorganism slip casting platform (18) is shelved on the guide-track groove (23) of sample curing box; Described microorganism slip casting platform (18) can horizontally slip on the guide-track groove of sample curing box (23); Support (19) is shelved on the bracket chute (32) of sample curing box; Support (19) can in the upper left and right push-and-pull of the bracket chute of sample curing box (32); The panel top and the bottom of sample curing box are provided with by the visual windows made with tempered glass (29), and the middle panel of sample curing box is provided with flow detector (25), velocity of flow adjust switch (24), precise digital display pressure gauge (27), precision voltage regulator (26), curing box temperature indicator (30) and temperature adjustment buttons (31); Sample curing box top is provided with pore (34), and bottom is provided with curing box pulley (33).
4. a kind of microorganism reinforces grouting maintenance experimental rig according to claim 1, it is characterized in that: described clear liquid case (1), bacterium liquid case (2), fixer case (3) and consolidating fluid case (4) are equipped with the graduation mark for measuring reservoir quantity.
5. a kind of microorganism reinforces grouting maintenance experimental rig according to claim 1, it is characterized in that: the table top of described microorganism slip casting platform (18) is provided with four holes, is convenient to feed tube (6) and is connected with device section below through table top.
6. a kind of microorganism reinforces grouting maintenance experimental rig according to claim 1, it is characterized in that: described cushion coat (11) makes a block being convenient to place, and cushion coat (11) is for being evenly distributed to sample (14) upper surface to be reinforced by institute's fluid injection body.
7. a kind of microorganism reinforces grouting maintenance experimental rig according to claim 1, it is characterized in that: there is 3mm space between described polypropylene PP mould (12) and organic glass sleeve (13).
8. a kind of microorganism reinforces grouting maintenance experimental rig according to claim 1, it is characterized in that: described support (19) is provided with the grip end (21) of push-and-pull support.
9. a kind of microorganism reinforces grouting maintenance experimental rig according to claim 1, it is characterized in that: be provided with side door on the right side of described sample curing box, side door has curing box door handle (28).
10. microorganism reinforces a grouting maintenance test method, it is characterized in that comprising the following steps:
Step 1: first experimenter will inject the liquid of respective volume respectively in clear liquid case (1), bacterium liquid case (2), fixer case (3) and consolidating fluid case (4) four casings, then micro pump (5) is connected with four casings respectively by feed tube (6), then feed tube (6) is picked out stand-by from micro pump (5);
Step 2: cushion coat is placed on lower rubber bayonet socket plug (10 '), and be pressed into cushion coat upper surface concordant with rubber bayonet socket plug, polypropylene PP mould (12) put into by sample (14) to be reinforced again, polypropylene PP mould (12) is inserted in the bayonet socket of rubber bayonet socket plug, then organic glass sleeve (13) is vertically shelved on rubber bayonet socket plug, and the outside of organic glass sleeve (13) is concordant with the outside of rubber bayonet socket plug, finally an other block buffering layer is placed on sample (14) to be reinforced, and bayonet socket blocks according to the position of polypropylene PP mould (12) with organic glass sleeve (13) by upper rubber bayonet socket plug (10),
Step 3: putting into polypropylene PP mould (12) wait the sample reinforced (14) and after installing, first microorganism slip casting platform (18) is shelved on the guide-track groove (23) of sample curing box, again support (19) is shelved in the bracket chute (32) of sample curing box, then the feed tube picked out from micro pump (5) is received the flow monitoring instrument (25) of sample curing box panel respectively, pick out from flow monitoring instrument (25) again, then the pipeline picked out is received on inlet by feed tube joint (8), with this by microorganism slip casting platform, support and sample curing box connect into an overall device,
Step 4: the injection of clear water.
Microorganism slip casting platform (18) pulls out by 11., open the liquid stopping clamp (7) of clear liquid case (1) and the micro pump corresponding with filtered water tank, again microorganism slip casting platform (18) is advanced sample curing box, close sample maintenance chamber door, start injection sample (14) being carried out to clear water, in the process of injected clear water, by observation flow detector (25) and adjustment velocity of flow adjust switch (24), the flow velocity that clear water injects is controlled, by observation precise digital display pressure gauge (27) and adjustment precision pressure regulator (26), the pressure that clear water injects is controlled, by observing curing box temperature indicator (30) and regulating temperature adjustment buttons (31) temperature to sample curing box to control,
Step 5: the injection of bacterium liquid, fixer and consolidating fluid: step is with the injection of clear water;
Step 6: according to the requirement of experimental design, step 5 several times are carried out in circulation;
Step 7: after slip casting completes, carry out maintenance to the microorganism of injecting, curing time and temperature experimentally designing requirement set;
Step 8: after maintenance terminates, open sample maintenance chamber door, microorganism slip casting platform (18) and support (19) are pulled out simultaneously, open feed tube joint, microorganism slip casting platform (18) is pushed sample curing box again, the detection of taking out the microcosmic observation after being used for follow-up relevant crack reinforcing and respective strengths through the sample (14) after microorganism reinforcing.
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| CN108532392A (en) * | 2018-04-26 | 2018-09-14 | 福州大学 | A kind of hollow TGXG and the united grouting method of microbial technique |
| CN109827823A (en) * | 2019-03-18 | 2019-05-31 | 四川农业大学 | A kind of experimental rig and application method that fluid cemented rock joint plane stage by stage can be used |
| CN109959773A (en) * | 2019-04-01 | 2019-07-02 | 合肥工业大学 | A kind of experimental rig and method demoulding microorganism grouting and reinforcing silt |
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| CN106771083B (en) * | 2017-01-18 | 2023-11-21 | 三峡大学 | Microorganism reinforced sand column grouting device and test method thereof |
| CN106903788A (en) * | 2017-02-15 | 2017-06-30 | 广东工业大学 | A kind of multi-functional provisions for grouting and its control method |
| CN108532392A (en) * | 2018-04-26 | 2018-09-14 | 福州大学 | A kind of hollow TGXG and the united grouting method of microbial technique |
| CN109827823A (en) * | 2019-03-18 | 2019-05-31 | 四川农业大学 | A kind of experimental rig and application method that fluid cemented rock joint plane stage by stage can be used |
| CN109827823B (en) * | 2019-03-18 | 2023-10-31 | 四川农业大学 | Test device capable of adopting fluid to stage cementing rock joint surface and use method |
| CN109959773A (en) * | 2019-04-01 | 2019-07-02 | 合肥工业大学 | A kind of experimental rig and method demoulding microorganism grouting and reinforcing silt |
| CN109959773B (en) * | 2019-04-01 | 2021-07-13 | 合肥工业大学 | Test device and method for reinforcing silt through demoulding microorganism grouting |
| CN114232597A (en) * | 2021-11-23 | 2022-03-25 | 辽宁工程技术大学 | Electric field control microorganism mineralization reinforcing soil body mold device |
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