CN204255813U - Slip casting diffusion test device - Google Patents
Slip casting diffusion test device Download PDFInfo
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- CN204255813U CN204255813U CN201420663860.9U CN201420663860U CN204255813U CN 204255813 U CN204255813 U CN 204255813U CN 201420663860 U CN201420663860 U CN 201420663860U CN 204255813 U CN204255813 U CN 204255813U
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Abstract
The utility model discloses a kind of slip casting diffusion test device, comprise cylindricality permeability apparatus and monitoring system, described cylindricality permeability apparatus comprises cylindrical steel and is installed on import cabin and the outlet cabin at cylindrical steel two ends, import cabin, between outlet cabin and cylindrical steel, be provided with porous plate and filter screen, import cabin and export on cabin and be respectively arranged with the stock inlet and grout outlet that are communicated with cabin interior; Outlet compartment roof is provided with the perfect thread densification screw rod stretched into wherein; The frosted of described cylindrical steel inwall and uniform application butter, cylindrical steel is used by some joint single steel tubes that the quick thimble connector of steel ring welding formula is mutually nested to be formed; Often save single steel tube to be made up of the longitudinally symmetrical mutual snapping of two halves circle.The utility model is simple to operate, size adjustable, high pressure-bearing property, strong sealing, eliminate wall effect and can Real-Time Monitoring slip casting key parameter.
Description
Technical field
The utility model relates to a kind of slip casting diffusion test device.
Background technology
Slip casting method is because it is easy and simple to handle, the feature little to Rock And Soil disturbance, and be widely used in all kinds of unfavorable geologic body hazard management aspect, association area relates to Hydraulic and Hydro-Power Engineering, traffic engineering and mine down-hole engineering.The exploitation of slip casting method be unable to do without a large amount of model tests, and Chinese scholars have developed series of experiments device, has promoted the development of grouting theory to a certain extent, has provided guidance to engineering practice.But slurries have disguise by the diffusion in note medium, current technology is still difficult to the disperse state of tracing observation slurries, in addition the diffusion of slurries is subject to grouting process, by the multifactor impact noting Geotechnical properties and slurry characteristics, result in grouting theory and lag behind engineer applied, be difficult to guidance Grouting engineering being carried out to science.
(1) " INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICALMETHODS IN GEOMECHANICS " phase calendar year 2001 the 25th describes a kind of three-dimensional column model of Switzerland.Right cylinder Φ=150cm, h=120cm, upper and lower surface is added a cover, the Grouting Pipe of internal preset Φ=40mm, and Grouting Pipe axis overlaps with right cylinder axis, is drilled with the circular hole of 40 Φ=5mm in the scope of Grouting Pipe center ± 20cm.This test unit can monitor pressure change and the change in displacement at different diffusion length place, but this device face of cylinder and top and bottom are shiny surface, the wall effect of non-cancellation element.
(2) " Geotechnical Engineering journal " the 12nd phase in 2006 describes Tongji University's a kind of sand ovum (gravel) rock layers grouting test device.This device, primarily of steel frame, movable panel, poly (methyl methacrylate) plate, shaking table, grouting equipment composition, have the advantage of observation slip casting effect directly perceived, but this device does not arrange grout outlet, slip casting source is point source.
(3) " mine safety " the 6th phase in 2012 describes a kind of permeameter of China Mining University.Test unit is made up of large volume pressurizing vessel, piezometric tube, seepage flow steel plate and cylindrical iron pipe, model is provided with two interfaces, can carry out testing permeability and grouting test, and slurry flow can be monitored at grout outlet, but this device cannot regulate moulded dimension, cannot bear high-pressure slip-casting.
(4) " China Coal Research Institute " describes a kind of confined pressure type grouting test device for 2007.Test unit is made up of high pressure nitrogen container, liquid storage container, sample receiver, oil pump etc., but this device cannot monitor internal pressure change and change in displacement, unit scale are little.
The test unit of the above-mentioned unit of comprehensive analysis, also has the following disadvantages:
1. test unit structure is simple, and recycling rate of waterused is low.
2. device pressure-bearing property is less, and sealing is poor.
3. monitoring element may be shifted, and gets core comparatively loaded down with trivial details.
4. usually ignore the wall effect of device.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of slip casting diffusion test device, it is simple to operate, size adjustable, high pressure-bearing property, strong sealing, eliminates wall effect and can Real-Time Monitoring slip casting key parameter.
For achieving the above object, the utility model adopts following technical proposals:
A kind of slip casting diffusion test device, comprise cylindricality permeability apparatus and monitoring system, described cylindricality permeability apparatus comprises cylindrical steel and is installed on import cabin and the outlet cabin at cylindrical steel two ends, import cabin, between outlet cabin and cylindrical steel, be provided with porous plate and filter screen, import cabin and export on cabin and be respectively arranged with the stock inlet and grout outlet that are communicated with cabin interior; Outlet compartment roof is provided with the perfect thread densification screw rod stretched into wherein;
The frosted of described cylindrical steel inwall and uniform application butter, cylindrical steel is used by some joint single steel tubes that the quick thimble connector of steel ring welding formula is mutually nested to be formed; Often save single steel tube to be made up of the longitudinally symmetrical mutual snapping of two halves circle;
Described monitoring system comprises optical fiber osmotic pressure sensor, optical fiber soil pressure case, ultrasonic flowmeter, static resistance strainmeter and computing machine parametric controller; Optical fiber osmotic pressure sensor and optical fiber soil pressure case are placed in sensor fixed support, sensor fixed support is arranged in cylindrical steel inner chamber, the wire of each sensor is connected to static resistance strainmeter through cable sealed joint, and static resistance strainmeter is connected with computing machine parametric controller again; Ultrasonic flowmeter is arranged on grout outlet place.
Described import cabin is arranged on balance chassis.
Described porous plate Circularhole diameter Φ=4mm.
The described upper and lower end often saving single steel tube is groove and boss that can be mutually nested.
Tight head under described perfect thread densification screw jacket.
The test method of slip casting diffusion test device, comprises the following steps:
A. the assembling of cylindricality permeability apparatus: first connect balance chassis and import cabin, porous plate and filter screen are positioned over import cabin; Secondly cylindrical steel left and right two panels is fastened mutually, the quick thimble connector of steel ring welding formula is used it to be connected with import cabin is mutually nested, insert by note medium subsequently, limit densification buries optical fiber osmotic pressure sensor and optical fiber soil pressure case underground by note medium side, connects other cylindrical steel with same step; When reaching design length, use steel ring welding formula quick thimble connector cylindrical steel to be connected with outlet cabin, outlet cabin places filter screen and porous plate equally, and perfect thread densification screw rod is rotated to bottommost;
B. monitoring system connects: the wire of optical fiber osmotic pressure sensor and optical fiber soil pressure case is connected to the corresponding interface of static resistance strainmeter through cable sealed joint, is then connected with computing machine parametric controller by static resistance strainmeter; Ultrasonic flowmeter is arranged on cylindricality permeability apparatus grout outlet place;
C. packer permeability test: the accuracy of the sealing of detection experiment device, detection fiber osmotic pressure sensor and optical fiber soil pressure case, measure formation parameter by note medium;
D. image data: the parameter of slip casting process Computer parametric controller record optical fiber osmotic pressure sensor and optical fiber soil pressure case, manual record ultrasonic flowmeter parameter;
E., after slip casting terminates, split cylindrical steel, after getting core, carry out unconfined compression strength test or Standard Test Method for Permeation Resistance.
Cylindrical steel in the utility model is external diameter 108mm, high 200mm or 400mm, wall thickness 5mm.Single steel tube is divided into two panels buckled, and left edge is boss, the right sheet edge is groove.
The maximum pressure that cylindrical steel can be born is: P=(tensile strength * wall thickness)/(internal diameter * safety coefficient)=(410*5)/(98*4)=5.23 (MPa).
The quick thimble connector of steel ring welding formula in the utility model is existing product, can buy in the market, not repeat them here.
Cylindricality permeability apparatus of the present utility model, mutually nested between each cylindrical steel, the orthostatic of assurance device; Cylindrical steel is divided into two-piece type, mutual snapping, conveniently separates and gets core; Cylindrical steel intensity is high, rigidity large, deformation can not occur, can bear high-pressure slip-casting; Steel duct frosted process coating butter, the wall effect of cancellation element; The quick thimble connector of steel ring welding formula used has both the effect connecting and seal; The perfect thread compacting screw in outlet cabin ensures to be in dense state by note medium.
Monitoring system of the present utility model, can monitor the change of the osmotic pressure in slip casting process, soil pressure and slurry flow, and each sensor can not be shifted because of slurries flowing.
The utility model is simple to operate, assembling is flexible, in the light of actual conditions can adjust cylindricality permeability apparatus length, accurate measurements slurries are by the slip casting key parameter in note medium.The utility model have studied slip casting disperser and slurry infiltration parameter monitoring method in model test, solves the weak sealing of the low pressure-bearing of test unit, gets the problem such as core very complicated and Monitoring Data misalignment.Compared with studying with forefathers, with engineering practice closer to, the slip casting diffusion test achievement in research scope of application drawn is wider.
The utility model is compared with domestic and international same device, and the beneficial effects of the utility model are:
1. easy and simple to handle, flexibly, recycling rate of waterused is high, can do series of contrast in assembling;
2. the frosted of cylindrical steel inwall and uniform application butter, eliminates the wall effect of device;
3. the mutual snapping of single cylindrical steel, mutually nested and use the quick thimble connector of steel ring welding formula between different cylindrical steel, there is good sealing and orthostatic, can carry out smoothly by warranty test;
4. cylindrical steel can bear the pressure of 5.23MPa, meets the requirement of high-pressure slip-casting;
5. adopt Real-Time Monitoring element, clearly can reflect that slurries are being subject to the spread condition in note medium;
6. can obtain complete grouting and reinforcing body sample core, test unit also directly can carry out Standard Test Method for Permeation Resistance.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 a is cylindrical steel side view of the present invention;
Fig. 2 b is cylindrical steel vertical view of the present invention;
Fig. 3 is the utility model sensor fixed support schematic diagram.
Wherein 1. balance chassis; 2. import cabin; 3. stock inlet; 4. porous plate; 5. filter screen; 6. the quick thimble connector of steel ring welding formula; 7. optical fiber osmotic pressure sensor; 8. sensor fixed support; 9. cylindrical steel; 10. optical fiber soil pressure case; 11. cable sealed joints; 12. outlet cabins; 13. grout outlets; 14. perfect thread densification screw rods; 15. times tight heads; 16. ultrasonic flowmeters; 17. static resistance strainmeters; 18. computing machine parametric controller.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
In Fig. 1, a kind of novel slurry filling diffusion test device, comprises cylindricality permeability apparatus and monitoring system.
Cylindricality permeability apparatus by balance chassis 1, import cabin 2, the quick thimble connector 6 of steel ring welding formula, cylindrical steel 9, outlet cabin 12 connect to form.Import cabin 2 is provided with porous plate 4 and filter screen 5, porous plate Circularhole diameter Φ=4mm; Cylindrical steel 9 is external diameter 108mm, high 200mm or 400mm, wall thickness 5mm, the frosted of cylindrical steel inwall, and coboundary is groove, lower limb is boss, and cylindrical steel is divided into two panels buckled, and left edge is boss, the right sheet edge is groove; Outlet cabin 12 is provided with porous plate 4, filter screen 5 and perfect thread densification screw rod 14, wherein tight head 15 under perfect thread densification screw rod 14 overcoat; Each several part adopts the quick thimble connector 6 of steel ring welding formula to connect.Import cabin 2 is respectively arranged with on outlet cabin 12 stock inlet 3 and grout outlet 13 that are communicated with cabin interior.
Monitoring system comprises optical fiber osmotic pressure sensor 7, optical fiber soil pressure case 10, ultrasonic flowmeter 16, static resistance strainmeter 17, computing machine parametric controller 18.Optical fiber osmotic pressure sensor 7 and optical fiber soil pressure case 10 are placed in sensor fixed support 8, and each sensor conductor is connected to static resistance strainmeter 17 through cable sealed joint 11, and static resistance strainmeter 17 is connected with computing machine parametric controller 18 again; Ultrasonic flowmeter 16 is arranged on cylindricality permeability apparatus grout outlet 13 place.
The test method of slip casting diffusion test device, comprises the following steps:
A. the assembling of cylindricality permeability apparatus: first connect balance chassis 1 and import cabin 2, porous plate 4 and filter screen 5 are positioned over import cabin 2; Secondly cylindrical steel about 9 two panels is fastened mutually, the quick thimble connector of steel ring welding formula 6 is used it to be connected with import cabin 2 is mutually nested, insert by note medium subsequently, limit densification buries optical fiber osmotic pressure sensor 7 and optical fiber soil pressure case 10 underground by note medium side, connects other cylindrical steel with same step; When reaching design length, use steel ring welding formula quick thimble connector 6 cylindrical steel 9 to be connected with outlet cabin 12, outlet cabin places filter screen 5 and porous plate 4 equally, and perfect thread densification screw rod 14 is rotated to bottommost.
B. monitoring system connects: the wire of optical fiber osmotic pressure sensor 7 and optical fiber soil pressure case 10 is connected to the corresponding interface of static resistance strainmeter 17 through cable sealed joint 11, is then connected with computing machine parametric controller 18 by static resistance strainmeter 17; Ultrasonic flowmeter 16 is arranged on cylindricality permeability apparatus grout outlet 13 place.
C. packer permeability test: the accuracy of the sealing of detection experiment device, detection fiber osmotic pressure sensor 7 and optical fiber soil pressure case 10, measure formation parameter by note medium.
D. image data: slip casting process Computer parametric controller 18 records the parameter of optical fiber osmotic pressure sensor 7 and optical fiber soil pressure case 10, manual record ultrasonic flowmeter 16 parameter.
E., after slip casting terminates, split cylindrical steel 9, after getting core, carry out unconfined compression strength test or Standard Test Method for Permeation Resistance.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (5)
1. a slip casting diffusion test device, it is characterized in that, comprise cylindricality permeability apparatus and monitoring system, described cylindricality permeability apparatus comprises cylindrical steel and is installed on import cabin and the outlet cabin at cylindrical steel two ends, import cabin, between outlet cabin and cylindrical steel, be provided with porous plate and filter screen, import cabin and export on cabin and be respectively arranged with the stock inlet and grout outlet that are communicated with cabin interior; Outlet compartment roof is provided with the perfect thread densification screw rod stretched into wherein;
The frosted of described cylindrical steel inwall and uniform application butter, cylindrical steel is used by some joint single steel tubes that the quick thimble connector of steel ring welding formula is mutually nested to be formed; Often save single steel tube to be made up of the longitudinally symmetrical mutual snapping of two halves circle;
Described monitoring system comprises optical fiber osmotic pressure sensor, optical fiber soil pressure case, ultrasonic flowmeter, static resistance strainmeter and computing machine parametric controller; Optical fiber osmotic pressure sensor and optical fiber soil pressure case are placed in sensor fixed support, sensor fixed support is arranged in cylindrical steel inner chamber, the wire of each sensor is connected to static resistance strainmeter through cable sealed joint, and static resistance strainmeter is connected with computing machine parametric controller again; Ultrasonic flowmeter is arranged on grout outlet place.
2. slip casting diffusion test device as claimed in claim 1, is characterized in that, described import cabin is arranged on balance chassis.
3. slip casting diffusion test device as claimed in claim 1, is characterized in that, described porous plate Circularhole diameter Φ=4mm.
4. slip casting diffusion test device as claimed in claim 1, it is characterized in that, the described upper and lower end often saving single steel tube is groove and boss that can be mutually nested.
5. slip casting diffusion test device as claimed in claim 1, is characterized in that, tight head under described perfect thread densification screw jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663860.9U CN204255813U (en) | 2014-11-07 | 2014-11-07 | Slip casting diffusion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663860.9U CN204255813U (en) | 2014-11-07 | 2014-11-07 | Slip casting diffusion test device |
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| Publication Number | Publication Date |
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| CN204255813U true CN204255813U (en) | 2015-04-08 |
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| CN201420663860.9U Expired - Fee Related CN204255813U (en) | 2014-11-07 | 2014-11-07 | Slip casting diffusion test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374680A (en) * | 2014-11-07 | 2015-02-25 | 山东大学 | Slip casting diffusion testing device and testing method using same |
| CN105136195A (en) * | 2015-07-23 | 2015-12-09 | 山东大学 | Porous medium penetration slip-casting multi-parameter monitoring device and test method thereof |
| CN106248533A (en) * | 2016-08-19 | 2016-12-21 | 南京林业大学 | Obtain shield slurry granule and fill distribution and the assay device of film-forming feature on stratum |
| CN109187284A (en) * | 2018-09-07 | 2019-01-11 | 宁波联城住工科技有限公司 | Cement slurry test equipment and method |
| CN111487163A (en) * | 2020-04-21 | 2020-08-04 | 重庆大学 | Novel variable-load pressurizing grouting test device for fractured coal and rock mass |
-
2014
- 2014-11-07 CN CN201420663860.9U patent/CN204255813U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374680A (en) * | 2014-11-07 | 2015-02-25 | 山东大学 | Slip casting diffusion testing device and testing method using same |
| CN105136195A (en) * | 2015-07-23 | 2015-12-09 | 山东大学 | Porous medium penetration slip-casting multi-parameter monitoring device and test method thereof |
| CN106248533A (en) * | 2016-08-19 | 2016-12-21 | 南京林业大学 | Obtain shield slurry granule and fill distribution and the assay device of film-forming feature on stratum |
| CN106248533B (en) * | 2016-08-19 | 2018-09-18 | 南京林业大学 | It obtains shield slurry particle and fills the experimental rig of distribution and film-forming feature on stratum |
| CN109187284A (en) * | 2018-09-07 | 2019-01-11 | 宁波联城住工科技有限公司 | Cement slurry test equipment and method |
| CN109187284B (en) * | 2018-09-07 | 2021-11-26 | 广东睿住住工科技有限公司 | Cement slurry testing equipment and method |
| CN111487163A (en) * | 2020-04-21 | 2020-08-04 | 重庆大学 | Novel variable-load pressurizing grouting test device for fractured coal and rock mass |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Xiao Inventor after: Liu Rentai Inventor after: Li Shucai Inventor after: Zhang Lewen Inventor after: Han Weiwei Inventor after: Sun Zizheng Inventor after: Wang Hongbo Inventor after: Wang Jian Inventor after: Zhao Shaolong Inventor before: Li Shucai Inventor before: Feng Xiao Inventor before: Zhang Lewen Inventor before: Liu Rentai Inventor before: Han Weiwei Inventor before: Sun Zizheng Inventor before: Wang Hongbo Inventor before: Zhao Shaolong Inventor before: Wang Jian |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI SHUCAI FENG XIAO ZHANG LEWEN LIU RENTAI HAN WEIWEI SUN ZIZHENG WANG HONGBO ZHAO SHAOLONG WANG JIAN TO: FENG XIAO LIU RENTAI LI SHUCAI ZHANG LEWEN HAN WEIWEI SUN ZIZHENG WANG HONGBO WANG JIAN ZHAO SHAOLONG |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20191107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |