CN105866349A - Three-dimensional visual grouting effect test chamber - Google Patents
Three-dimensional visual grouting effect test chamber Download PDFInfo
- Publication number
- CN105866349A CN105866349A CN201610355370.6A CN201610355370A CN105866349A CN 105866349 A CN105866349 A CN 105866349A CN 201610355370 A CN201610355370 A CN 201610355370A CN 105866349 A CN105866349 A CN 105866349A
- Authority
- CN
- China
- Prior art keywords
- test
- proof box
- slip casting
- portal frame
- box body
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Classifications
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
Abstract
The invention discloses a three-dimensional visual grouting effect test chamber to detect the grout diffusion law visually, detect the actual grouting effect after grouting, and observe the fluctuation condition of the earth surface during grouting. By the adoption of the test chamber, grout diffusion condition in the presence of flowing water can be simulated according to the underground water condition in practical engineering, and grouting effect can be detected. According to the technical scheme, the test chamber comprises a chamber body, a plurality of test layers are arranged in the chamber body from top to bottom, a base plate is arranged on the bottom of the chamber body, a plurality of water outlets are formed in the base plate, a valve is arranged on each water outlet, a plurality of visible windows are formed in the side wall of the chamber body, and tempered glass is hinged to the visible windows; during testing, tempered glass and the visible windows are sealed, portal frame longitudinal guide rails and horizontal guide rails are arranged on the top of the chamber body, and the portal frame longitudinal guide rails and the horizontal guide rails are connected with a portal frame.
Description
Technical field
The present invention relates to Geotechnical Engineering field, be specifically related to a kind of three-dimensional visualization slip casting effect proof box.
Background technology
Slurry injection technique is widely used in Geotechnical Engineering, but the slip casting effect in actual Grouting engineering, such as grout spreading range, slurry arteries and veins
Development, consolidation effect, water plugging effect etc., how with micro-judgment, and present detection means is applied to after slip casting terminates more,
Help little in the design phase.It is applied to the slip casting effect device of laboratory test at present, is mostly limited to size, with single hole slip casting be
Main, it is impossible to the effective synergistic effect checking multiple holes grouting, recognize intuitively starching arteries and veins diffusion effect neither one after slip casting, slip casting
Radius is difficult to determine.
Summary of the invention
In order to solve the problems of the prior art, the present invention proposes a kind of visual test to go out the Diffusion Law of serosity, detects slip casting
After actual slip casting effect, moreover it is possible to observation slip casting during surface relief situation;Can simulate according to groundwater condition in Practical Project
Serosity spread condition under river channels, the three-dimensional visualization slip casting effect proof box of inspection slip casting effect.
In order to realize object above, the technical solution adopted in the present invention is:
A kind of three-dimensional visualization slip casting effect proof box, including test box body, if being provided with dried layer examination in test box body from top to bottom
Testing layer, the bottom of test box body is provided with base plate, and base plate is provided with several outlets, and outlet is provided with valve, examination
The sidewall of tryoff casing is provided with several visual windows, and visual windows is hinged with safety glass, and during test, safety glass is with visual
Window aperture seal, the top of test box body is provided with portal frame longitudinal rail and cross slide way, portal frame longitudinal rail and cross slide way
Connect portal frame.
It is provided with four layers of test layer in described test box body from top to bottom, arranges about four pieces in each visual windows and splice and the closeest
The safety glass of envelope.
It is hinged with the side of visual windows that described safety glass shirks door-hinge hinge by cylinder louver.
The breast board snap close for fixing safety glass it is provided with in described visual windows.
The inner side of four blocks of safety glass in described each visual windows uses sealant tape to seal.
The top of described test box body is provided with top board, and top board offers water inlet.
A kind of grouting test device, including described proof box, the top of proof box connects slip casting machine, during dynamic water grouting test, test
The bottom of box body is equipped with geotextiles, and the outlet on base plate is connected to the top of proof box by pipeline and water pump.
A kind of seepage flow test device, including described proof box, the top of proof box is provided with top board, and top board is close with the top of proof box
Envelope connects, and top board offers water inlet, and described water inlet is connected to storage tank by conduit, and storage tank connects the external world and supplies water, examination
Offering the pressure tap of differing heights on the sidewall of tryoff casing, pressure tap connects pressure-measuring pipe.
Offer overfall on described storage tank, the sidewall of described test box body offers three pressure measurement being in differing heights
Hole, three pressure taps are connected to pressure-measuring pipe.
A kind of load test device, including described proof box, proof box is provided with loading plate, and loading plate connects hydraulic means,
Hydraulic means is fixedly installed on portal frame, and during test, loading plate contacts with Rock And Soil top layer.
Compared with prior art, if setting dried layer test layer in the test box body of the present invention, the sidewall of test box body arranges visual window
Mouthful, safety glass, safety glass and base plate are set in visual windows and are tightly connected with test box body, test specimen layering landfill during test
Inside test box body, by transparent safety glass, it is possible to surface relief situation during observation slip casting, slip casting divides after terminating
Layer excavation can actual slip casting effect after visual inspection slip casting;Can be according under groundwater condition simulation river channels in Practical Project
Serosity spread condition, checks slip casting effect.
Further, to shirk door-hinge hinge by cylinder louver hinged with the side of visual windows for safety glass, it is simple to dismounting, uses hurdle
Plate snap close fixes safety glass, and fixing is more firm, and the inner side of two blocks of safety glass in each visual windows uses sealant tape
Seal, it is ensured that sealed environment during test.
The present invention checks the serosity consolidation effect to Rock And Soil close to Practical Project, it is possible to during observation slip casting, Rock And Soil surface rises
Volt situation, determines grout spreading range, observes slurry arteries and veins development;Rock And Soil before and after slip casting can be measured after increasing the top board sealed
Infiltration coefficient, rock mechanical performance before and after boring and coring detection slip casting, also can simulate the serosity spread condition under river channels.?
In whole process of the test, portal frame is used can easily to fill Rock And Soil and lifting, dismounting surrounding safety glass, additionally it is possible to by dragon
Loading test implemented by door frame.
Accompanying drawing explanation
Fig. 1 is the structural representation of test box body of the present invention;
Fig. 2 is the structural representation of portal frame of the present invention;
Fig. 3 is the schematic diagram of visual windows of the present invention;
Fig. 4 is the base plate schematic diagram of the present invention;
Fig. 5 is the structural representation of seepage flow test device;
Fig. 6 is the structural representation of loading test device;
Wherein, 1 proof box, 2 portal frame longitudinal rails, 3 visual windows, 4 portal frames, 5 cross slide waies, 6 directive wheels, 7
Cylinder louver shirks door-hinge hinge, 8 breast board snap closes, 9 safety glass, 10 pressure taps, 11 base plates, 12 outlets, and 13 is extraneous
Supply water, 14 overfalls, 15 storage tanks, 16 conduits, 17 pressure-measuring pipes, 18 Rock And Soil top layers, 19 bearing plates, 20 hydraulic means.
Detailed description of the invention
Below in conjunction with specific embodiment and Figure of description, the present invention is further explained.
Seeing Fig. 1 and Fig. 2, the proof box of the present invention includes the test box body 1 in cuboid, from upper in test box body 1
If having dried layer test layer, the sidewall of test box body 1 is provided with several visual windows 3, visual windows 3 is hinged with steel
Changing glass 9, during test, safety glass 9 seals with visual windows 3, and the top of test box body 1 is provided with top board, portal frame is indulged
Direction guiding rail 2 and cross slide way 5, portal frame longitudinal rail 2 and cross slide way 5 connect portal frame 4, are provided with bottom portal frame 4
Directive wheel 6, it is preferable that see Fig. 3, is provided with four layers of test layer, in each visual windows 3 from top to bottom in test box body 1
Arranging about the four pieces safety glass spliced and seal against each other, safety glass 9 shirks door-hinge hinge 7 and visual window by cylinder louver
The side of mouth 3 is hinged, visual windows 3 is provided with the breast board snap close 8 for fixing safety glass 9, in each visual windows 3
Four blocks of safety glass inner side use sealant tape seal, see Fig. 3, the bottom of test box body 1 is provided with base plate 11, the end
Being provided with several outlets 12 on plate 11, outlet 12 is provided with valve, the top of test box body 1 is provided with top board,
Water inlet is offered on top board.
The proof box of the present invention, based on the test box body 1 of a cuboid, is arranged detachably in test box body 1 surrounding
Formula safety glass 9, safety glass 9 uses iron sheet bound edge, from top to bottom divides four layers;The safety glass 9 of every piece of iron sheet bound edge is by justifying
Post louver shirks door-hinge hinge 7 and is connected with the column of visual windows 3, and left side use breast board snap close 8 can be by safety glass 9 and column
Locking, finally makes every block of safety glass reach not only and can outwardly open dismounting, and can close the effect of locking;Test box body
1 top is additionally provided with detachable sealing top board.
Dismountable safety glass effect: be 1. used for the fluctuating situation on Rock And Soil surface during slip casting of observing;2. after slip casting terminates,
Successively dismantle safety glass, excavation Rock And Soil observation slurry arteries and veins development.
Base plate 11 bores some outlets 12 and loads onto valve, its effect: the 1. infiltration coefficient of Rock And Soil before and after mensuration slip casting;2. mould
Intend slip casting effect under river channels.
Proof box top arranges a portal frame longitudinal rail 2 and portal frame 4, and portal frame longitudinal rail 2 carries portal frame 4, logical
Crossing directive wheel 6 makes portal frame 4 move thereon, the effect of portal frame: 1. lift, dismantle safety glass, banket in proof box;
2. one reaction frame, the loading test of ground before and after slip casting are provided.
Seal the effect of top board: form a closed environment together with other parts, Rock And Soil infiltration under different head height can be simulated
Situation.
Grouting test device includes the proof box not having top board, and the top of proof box connects slip casting machine, during dynamic water grouting test, and test
The bottom of box body 1 is equipped with geotextiles, and the outlet 12 on base plate 11 is connected to the top of proof box by pipeline and water pump.
Seeing Fig. 5, seepage flow test device includes the test box body 1 being provided with top board, and top board is tightly connected with the top of proof box,
Offering water inlet on top board, water inlet is connected to storage tank 15 by conduit 16, and storage tank 15 connects extraneous water supply 13, examination
Offering the pressure tap of differing heights on the sidewall of tryoff casing 1, pressure tap connects pressure-measuring pipe 17.Offer excessive on storage tank 15
Head piece 14, the sidewall of test box body 1 offers three pressure taps being in differing heights, and three pressure taps are connected to
Pressure-measuring pipe.
Seeing Fig. 6, load test device includes the proof box not having top board, and proof box is provided with loading plate 19, loading plate 19
Connecting has hydraulic means 20, hydraulic means 20 to be fixedly installed on portal frame 4, loading plate 19 and Rock And Soil top layer 18 during test
Contact.
The specific works process of the present invention:
Grouting test: before grouting test is carried out, portal frame 4 is placed on the portal frame longitudinal rail 2 of test box body 1, closes
The outlet 12 of base plate 11, loads onto safety glass 9 in proof box surrounding, and carries out seal operation, uses portal frame 4 by ground
Body inserts proof box, layering filling, compacting, and is specifying position built-in slip casting pipe;
1. without grouting test under river channels:
1. landscape position is recorded before grouting test;
2. single hole or porous is used to inject serosity in Rock And Soil by EXPERIMENTAL DESIGN grouting pressure and grouting amount;
3. record landscape position after slip casting terminates, and carry out suitable maintenance work;
4. after serosity coagulates soil, successively remove safety glass, after removing ground floor safety glass, excavate this layer of uncemented ground
Body, retains the cement rock soil body, then removes second layer safety glass, excavate the most cementing soil body of the second layer;
5. with injected hole as the center of circle, add up grout spreading range, observe slurry arteries and veins development, retention of taking pictures;
6. top adhesive bond is removed, if drilling through dry sample with core-drilling machine in proof box lower half, for detecting the pressure resistance of sample
Degree and infiltration coefficient;
7. continue third and fourth layer of safety glass of dismounting, remove remaining Rock And Soil in casing.
2. grouting test under river channels:
Front layer overlay geotextiles, Fill Test in geotextiles, the going out of the front opening base plate 11 of slip casting bottom proof box of test
The mouth of a river 12, injects tap water to proof box top layer, with water pump, the water flowed out from outlet 12 is extracted into proof box top layer, treats water
After stream is stable, 1.~3. walks by without testing program in grouting test under river channels, after grout cures, switch off the pump, enforcement 4.~
7. walk.
Osmotic coefficient investigating is tested:
After completing soil in proof box, cover top board, provide certain constant head to proof box, open the outlet valve of base plate, treat
After waterflow stabilization, measure its seepage discharge within a certain period of time, calculate seepage coefficient;After slip casting, seepage coefficient measures process ibid.
Loading test:
The soil body before and after slip casting, by code requirement, applies loading plate 19 on Rock And Soil, and hydraulic means 20 is provided by portal frame 4
Counter-force effect, applies a constant load to loading plate 19, recording carrying plate 19 position before and after applying, measures Rock And Soil under such loading
Vertical displacement, thus complete loading test.
The present invention close to Practical Project check the serosity consolidation effect to Rock And Soil, as during Observable slip casting Rock And Soil surface rise
Volt situation, determines grout spreading range, observes slurry arteries and veins development, measures Rock And Soil infiltration coefficient before and after slip casting, and boring and coring is examined
Survey rock mechanical performance before and after slip casting, also can simulate the serosity spread condition under river channels.In whole process of the test, use
Though ground amount big, but the portal frame of design can be accomplished easily to fill Rock And Soil and lifting, dismounting surrounding safety glass, also can be by
Portal frame implements loading test.
Claims (10)
1. a three-dimensional visualization slip casting effect proof box, it is characterised in that include test box body (1), test box body (1)
If being provided with dried layer test layer the most from top to bottom, the bottom of test box body (1) is provided with base plate (11), and base plate (11) is upper to be arranged
Having several outlets (12), outlet (12) is provided with valve, the sidewall of test box body (1) is provided with several can
Viewing window (3), visual windows (3) is hinged with safety glass (9), safety glass (9) and visual windows (3) during test
Sealing, the top of test box body (1) is provided with portal frame longitudinal rail (2) and cross slide way (5), portal frame longitudinal rail
(2) and cross slide way (5) connect portal frame (1).
2. according to a kind of three-dimensional visualization slip casting effect proof box described in claims 1, it is characterised in that described proof box
It is provided with four layers of test layer in casing (1) from top to bottom, arranges about four pieces in each visual windows (3) and splice and seal against each other
Safety glass.
3. according to a kind of three-dimensional visualization slip casting effect proof box described in claims 2, it is characterised in that described tempering glass
It is hinged with the side of visual windows (3) that glass (9) shirks door-hinge hinge (7) by cylinder louver.
4. according to a kind of three-dimensional visualization slip casting effect proof box described in claims 3, it is characterised in that described visual window
It is provided with the breast board snap close (8) for fixing safety glass (9) on mouth (3).
5. according to a kind of three-dimensional visualization slip casting effect proof box described in claims 4, it is characterised in that described each can
The inner side of four blocks of safety glass in viewing window (3) uses sealant tape to seal.
6. according to a kind of three-dimensional visualization slip casting effect proof box described in claims 5, it is characterised in that described proof box
The top of casing (1) is provided with top board, and top board offers water inlet.
7. the grouting test device using three-dimensional visualization slip casting effect proof box as claimed in claim 1, it is characterised in that
Including described proof box, the top of proof box connects slip casting machine, and during dynamic water grouting test, the bottom of test box body (1) is laid
Having geotextiles, the outlet (12) on base plate (11) is connected to the top of proof box by pipeline and water pump.
8. the seepage flow test device using three-dimensional visualization slip casting effect proof box as claimed in claim 1, it is characterised in that
Including described proof box, the top of proof box is provided with top board, and top board is tightly connected with the top of proof box, top board offers into
The mouth of a river, described water inlet is connected to storage tank (15) by conduit (16), and storage tank (15) connects the external world and supplies water (13), examination
Offering the pressure tap (10) of differing heights on the sidewall of tryoff casing (1), pressure tap (10) connects pressure-measuring pipe (17).
Seepage flow test device the most according to claim 8, it is characterised in that described storage tank offers overflow on (15)
Mouth (14), the sidewall of described test box body (1) offers three pressure taps being in differing heights, and three pressure taps are respectively
Connect and have pressure-measuring pipe.
10. the load test device using three-dimensional visualization slip casting effect proof box as claimed in claim 1, it is characterised in that
Including described proof box, proof box being provided with loading plate (19), loading plate (19) connects hydraulic means (20), and hydraulic pressure fills
Putting (20) to be fixedly installed on portal frame (4), during test, loading plate (19) contacts with Rock And Soil top layer (18).
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CN201610355370.6A CN105866349B (en) | 2016-05-25 | 2016-05-25 | Three-dimensional visualization slip casting effect chamber |
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CN201610355370.6A CN105866349B (en) | 2016-05-25 | 2016-05-25 | Three-dimensional visualization slip casting effect chamber |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107389898A (en) * | 2017-07-24 | 2017-11-24 | 西安科技大学 | Dynamic current Flooding in Borehole consolidation grouting Diffusion Law visual Simulation experimental provision and method |
CN107976615A (en) * | 2017-11-08 | 2018-05-01 | 陕西航空电气有限责任公司 | The test method that sparking plug discharge voltage is tested under a kind of carry out air pressure |
CN108827592A (en) * | 2018-06-08 | 2018-11-16 | 哈尔滨工程大学 | A kind of test platform can provide low temperature environment |
CN114814094A (en) * | 2022-04-13 | 2022-07-29 | 西安科技大学 | Experimental device and experimental method for visually simulating gas drilling and sealing |
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CN104062408A (en) * | 2014-07-08 | 2014-09-24 | 北京科技大学 | Layered grouting model test system |
CN104458425A (en) * | 2014-11-07 | 2015-03-25 | 西安建筑科技大学 | Grouting effect evaluation device for geotechnical engineering |
CN104655803A (en) * | 2015-01-30 | 2015-05-27 | 北京交通大学 | Tunnel grouting model testing device |
CN105137048A (en) * | 2015-09-28 | 2015-12-09 | 北京建筑大学 | Stratum grouting simulation system |
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CN202216946U (en) * | 2011-08-15 | 2012-05-09 | 山东科技大学 | Crack grouting visualization test device under complicated conditions |
CN203606344U (en) * | 2013-11-28 | 2014-05-21 | 中煤科工集团西安研究院有限公司 | Split type sand-layer high-pressure grouting simulation experimental device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107389898A (en) * | 2017-07-24 | 2017-11-24 | 西安科技大学 | Dynamic current Flooding in Borehole consolidation grouting Diffusion Law visual Simulation experimental provision and method |
CN107976615A (en) * | 2017-11-08 | 2018-05-01 | 陕西航空电气有限责任公司 | The test method that sparking plug discharge voltage is tested under a kind of carry out air pressure |
CN108827592A (en) * | 2018-06-08 | 2018-11-16 | 哈尔滨工程大学 | A kind of test platform can provide low temperature environment |
CN114814094A (en) * | 2022-04-13 | 2022-07-29 | 西安科技大学 | Experimental device and experimental method for visually simulating gas drilling and sealing |
CN114814094B (en) * | 2022-04-13 | 2024-03-01 | 西安科技大学 | Visual experiment device and experiment method for simulating gas drilling and hole sealing |
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Inventor after: Yang Xiaohua Inventor after: Zheng Kunlong Inventor after: Xu Lixiao Inventor after: Yang Hanxi Inventor before: Yang Xiaohua Inventor before: Xu Lixiao Inventor before: Zheng Kunlong Inventor before: Yang Hanxi |
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Granted publication date: 20180807 Termination date: 20210525 |