CN205301298U - Slip casting analogue test device - Google Patents
Slip casting analogue test device Download PDFInfo
- Publication number
- CN205301298U CN205301298U CN201620040351.XU CN201620040351U CN205301298U CN 205301298 U CN205301298 U CN 205301298U CN 201620040351 U CN201620040351 U CN 201620040351U CN 205301298 U CN205301298 U CN 205301298U
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- slip casting
- urceolus
- inner core
- test device
- grouting
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a slip casting analogue test device belongs to indoor slip casting analogue test field. The device includes: pressurization system and slip casting penetrant unit, pressurization system includes: add the compression pump, store up thick liquid bucket and manometer, be equipped with the agitator in storing up the thick liquid bucket, store up thick liquid bucket upper portion and lower part be equipped with respectively with add compression pump and slip casting penetrant unit intercommunication advance thick liquid mouth and grout outlet, slip casting penetrant unit includes inner tube and urceolus, and cloth has the infiltration hole on the inner tube section of thick bamboo wall, slip casting penetrant unit top is equipped with the outside threaded slip casting pipe that stretches into wherein, and slip casting outside of tubes cover has the porous division board that can move about from top to bottom, slip casting penetrant unit bottom is equipped with the trompil, is equipped with the permeable stone on it. The utility model is used for slip casting analogue test under the moisture condition of conditional sum soil layer is filled to the multiple soil layer circumstances, difference of coating, testing method easy operation, but the simulated condition is many, and slip casting simulation effect is close to actual conditions, and the slip casting effect is directly perceived visible.
Description
Technical field
This utility model relates to grouting test field, especially a kind of grouting simulation test device.
Background technology
In recent years, slurry injection technique is as a kind of professional very strong construction method, owing to the features such as its technique is simple, speed of application is fast, engineering cost is low are applied more and more in the reinforcing punishment to soft stratum. Complexity yet with the uncertainty of formation condition and serosity character, cause that existing grouting theory research greatly lags behind engineer applied demand, grouting parameter mostly requires over grouting test and determines, indoor grouting test becomes determines grouting parameter and each factor important means to slip casting effect affecting laws in engineering. But the restriction of the factors such as indoor grouting test is frequently subjected to model equipment size, workload of banketing is big and operating mode is difficult to control to, the moisture situation in stratum is difficult to simulation, slip casting effect is invisible, causes that laboratory test exists and implements that difficulty is big, implementation result is difficult to control to, expends the deficiencies such as a large amount of manpower and materials.
Chinese patent CN103645306A discloses a kind of slip casting experimental facilities, and this equipment is made up of actual formation analog and grouting device, but this device is not provided with drainage channel, it is impossible to the process that simulation slip casting process pore water dissipates; This device adopts bracing boom and screw to seal, it is easy to produce eccentric compression; In this device, cylinder is overall structure simultaneously, it is impossible to observe internal serosity spread condition.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of grouting simulation test device. Can be used for multiple upper overburden layer situation, difference fills the grouting simulation test under condition and soil layer aqueous conditions, simple to operate, good sealing effect, and slip casting simulation effect is close to practical situation, and slip casting effect is intuitively visible.
For achieving the above object, this utility model adopts following technical proposals:
A kind of grouting simulation test device, including slip casting permeability apparatus and carry out the compression system pressurizeed for slip casting permeability apparatus; Described slip casting permeability apparatus includes the inner core and the urceolus that are set in together, between inner core and urceolus can water filling in order to simulate saturated soil body Cementer condition; The top cover that described inner core barrel is provided with multiple water seepage hole, inner core and urceolus is provided with and stretches into Grouting Pipe that is therein and that be connected with compression system, is cased with up and down porous division board outside Grouting Pipe; The base of urceolus is provided with spilled water hole, and the bottom of inner core is detachable permeable stone and filter screen.
Further, described compression system includes adding compression pump, slurry storing tank and Pressure gauge, is provided with agitator in slurry storing tank, and slurry storing tank top is respectively equipped with bottom and adds compression pump and stock inlet that slip casting permeability apparatus connects and grout outlet;And it being provided with Pressure gauge at grout outlet place, grout outlet is connected with the top of slip casting permeability apparatus by slip casting flexible pipe.
Further, for being welded to connect between described urceolus and its base, urceolus is that single-side sealing hasp is flexibly connected with bung.
Further, described inner core is formed by longitudinally asymmetric two halves circle snapping; It is provided with sealing rubber strip between two halves circle, is connected by outside quick clip joint sealing.
Further, described inner core barrel is evenly distributed with the water seepage hole of diameter 20mm, in order to simulate lateral drainage passage during actual formation slip casting, upper and lower two line spaces of described water seepage hole may be configured as 15cm��20cm according to factors such as being subject to note soil body osmotic coefficient, and each row uniformly lays 6 water seepage holes.
Further, the junction of described top cover and base and inner core and urceolus is equipped with groove, is provided with sealing rubber pad in groove;
Further, seal hasp by 8 between described inner core and urceolus with top cover and base and be connected, seal hasp and be located at outside top cover and base side and urceolus barrel.
Further, on described porous division board, distribution has the aperture increased successively along plate footpath orient diameter, to ensure that infiltration speed is as far as possible consistent in each position of plate, porous division board upper and lower can fill different types of soil sample respectively, in order to simulate slip casting when Different Strata.
Further, threaded Grouting Pipe top, described outside is connected to Multidirectional connector, between the two by Flange joint, Grouting Pipe can any spreading as required, Multidirectional connector is respectively equipped with control slurry valve and water control valve.
Further, it is provided with O-ring seal between described permeable stone and inner core.
The beneficial effects of the utility model are:
1) device inner core side and bottom are respectively provided with osculum, the exclusion process of pore water during slip casting in simulation actual formation, and slip casting simulation effect is close to practical situation;
2) between permeability apparatus stack shell and top cover, stack shell and base and inner core stack shell all dismountable, it is simple to the sampling of the filling of soil sample and slip casting effect is observed, and adopts and seals hasp and connect, it is prevented that eccentric compression;
3) slip casting effect when porous division board makes device can simulate overburden layer in difference, simultaneously to preventing grout from having certain effect;
4) the slip casting operating mode under different groundwater condition can be simulated by the height of water level between adjustment inner core and urceolus.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model slip casting permeability apparatus schematic diagram;
Fig. 3 is this utility model compression system schematic diagram;
Fig. 4 is the top view of this utility model quick thimble connector of inner core overcoat;
Fig. 5 is this utility model porous division board schematic diagram;
Fig. 6 is this utility model slip casting permeability apparatus top cover schematic diagram;
Fig. 7 is this utility model slip casting permeability apparatus base schematic diagram;
Fig. 8 is this utility model inner core semicircular body schematic diagram.
1-slip casting cabin in figure; The outside threaded Grouting Pipe of 2-; 3-top cover; 4-sealing rubber pad;5-seals hasp; 6-porous division board; 7-grouting nozzle; 8-inner core; 9-osculum; 10-urceolus; 11-permeable stone; 12-rubber stopper; 13-spilled water hole; 14-base; 15-sealing rubber ring; 16-controls slurry valve; 17-water control valve; 18-Multidirectional connector; 19-slurry storing tank; 20-rotating shaft; 21-bung; 22-motor; 23-agitator; 24-Pressure gauge; 25-adds compression pump; 26-slip casting flexible pipe; 31-exterior groove; 32-interior grooves; 33-through hole; 34-hasp clasp; 81-osculum; 82-sealing rubber strip; 83-clip; 84-bolt; 85-semicircular body interface; 61-aperture; 62-through hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further illustrated:
This utility model example provides a kind of grouting simulation test device, as it is shown in figure 1, this device includes compression system and slip casting permeability apparatus.
As in figure 2 it is shown, slip casting permeability apparatus includes: slip casting cabin 1, top cover 3, sealing hasp 5, porous division board 6, grouting nozzle 7, inner core 8, urceolus 10, base 14, control slurry valve 16, water control valve 17. Top cover 3, base 14 are connected with urceolus 10 respectively through 4 symmetrical sealing hasps, it connects contact surface place and is equipped with groove, built-in sealing rubber pad 4, the contact surface of outside threaded Grouting Pipe 2 and porous division board 6, top cover 3 all has the screw thread agreed with mutually, can pass through to rotate to regulate upper-lower position, inner core 8 and urceolus 10 material are transparent organic glass, base 14 is provided with spilled water hole 13, top is provided with permeable stone 11, it is provided with sealing rubber ring 15 between permeable stone 11 and inner core 8, in the spilled water hole 13 between inner core 8 and urceolus 10, has the rubber stopper 12 that can extract.
In the said equipment, inner core 8 diameter is 45��50cm, and urceolus 10 diameter is 55��70cm, and inner core 8 differs about 5cm��10cm with urceolus 10 radius, between inner core 8 and urceolus 10 can water filling in order to simulate saturated soil body Cementer condition;
In the said equipment, outside threaded Grouting Pipe 2 can arrange more piece, can arbitrarily lengthen according to slip casting depth. And Grouting Pipe top is connected to Multidirectional connector 18, between the two by Flange joint, Multidirectional connector is respectively equipped with control slurry valve 16 and water control valve 17.
In the said equipment, can add water between inner core 8 and urceolus 10, to simulate the slip casting operating mode in the moisture situation of Different Strata.
As it is shown on figure 3, compression system includes: slurry storing tank 19, motor 22, agitator 23, Pressure gauge 24, add compression pump 25. Wherein, the drum head of slurry storing tank 19 and bucket wall are for being welded to connect, bung 21 is flexibly connected with bucket wall by rotating shaft 20 and sealing hasp 5, Pressure gauge 24 is arranged on the grout outlet place of slurry storing tank 19, agitator 23 is placed in slurry storing tank 19, controlled by motor 22, add compression pump 25 and be connected with slurry storing tank 19 by slip casting flexible pipe 26.
In the said equipment, adding compression pump 25 can provide the pressure of 0.1��1.0MPa.
As shown in Figure 4, inner core 8 is lucite cylinder, and two halves circle joint is provided with sealing rubber strip 82, is fastenedly connected by clip 83 and bolt 84.
As it is shown in figure 5, porous division board 6 is ebonite board, on it, distribution has the aperture 61 being gradually increased along radial direction aperture, is provided with screw thread in middle through hole 62.
As shown in Figure 6, the exterior groove 31 on top cover 3 matches with urceolus, and interior grooves 32 matches with inner core, and intermediate throughholes 33 is internal is carved with screw thread, and hasp clasp 34 is welded on top cover 3 side.
As it is shown in fig. 7, base 14 is provided with spilled water hole 13, in spilled water hole, it is provided with the rubber stopper 12 that can extract.
As shown in Figure 8, inner core 8 semicircular body interface 85 is concavo-convex interface, and it is evenly distributed with the osculum 81 of diameter 20mm.
Further, outside threaded Grouting Pipe top is connected to Multidirectional connector, between the two by Flange joint, Grouting Pipe can any spreading as required, Multidirectional connector is respectively equipped with control slurry valve and water control valve.
The test method of grouting simulation test device, comprises the following steps:
1) slip casting permeability apparatus assembles: first mutually fastened by the two halves circle of device inner core 8, it is tightly connected by outside quick thimble connector 83,84, permeable stone 11 overcoat sealing rubber ring 15 is positioned on base 14, inner core 8 is placed in the inner ring groove 32 of base 14, the inwall being close to inner core 8 wraps one layer of anti-seepage geotextile, layering wherein subsequently is inserted by the note soil body, and every layer thickness controls at about 30cm, adopts and manually hits reality; When reaching setting height, disposing porous division board 6 and the threaded Grouting Pipe 2 in outside, one layer of anti-seepage geotextile of porous division board 6 overlying, silt compacting are filled in top; After inner core 8 installation, being placed in the outer ring groove 31 of base 14 by urceolus 10, add a cover top cover 3 subsequently, be inserted simultaneously in the groove of top cover 3 by inner core 8 and urceolus 10, according to carrying out up and down simultaneously, each sealing hasp 5 is buckled by the symmetrical order carried out.
2) compression system connects: Multidirectional connector 18 is connected with the threaded Grouting Pipe 2 in outside by flange, then pass through slip casting flexible pipe 26 to be connected with slurry storing tank 19, Pressure gauge 24 is arranged on slurry storing tank grout outlet place, adds compression pump 25 and is tightly connected by slip casting flexible pipe 26 with slurry storing tank.
3) moisture condition controls: during for being absent from the Work condition analogue of subsoil water, can carry out slip casting after regulating the parameters such as soil moisture content; During for there being Work condition analogue that subsoil water exists, device closes control slurry valve after having connected, open water control valve and carry out water filling, makes being reached capacity state by the note soil body in inner core, between inner core and urceolus, add the water of setting height after water filling, after height of water level is stable, carries out slip casting again.
4) slip casting: poured in slurry storing tank 19 by the serosity configured, opens the agitator 23 in slurry storing tank 19; Open the switch adding compression pump 25, when the reading of Pressure gauge 24 reaches setting value, open control slurry valve 16 and carry out slip casting, regulate, according to the reading of air gauge 24, the pressure adding compression pump 25 at any time and make the intrinsic pressure power of bucket be maintained at stationary value. When slip casting reaches the time of setting or slip casting permeability apparatus bottom spilled water hole 13 no longer there are flowing out, close control slurry valve 16 and add compression pump 25, after pressure dissipation, remove the slip casting flexible pipe 26 adding between compression pump 25 and slurry storing tank 19, the serosity in slurry storing tank 19 is poured out and it is carried out.
5) after slip casting terminates, after grouting soil maintenance in slip casting permeability apparatus reaches some strength, form removal is taken out, observed and recorded grout mixing, form etc., and sampling simultaneously carries out compressive strength test.
Detailed description of the invention of the present utility model is described in conjunction with accompanying drawing although above-mentioned; but the not restriction to this 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 need not pay various amendments or deformation that creative work can make still within protection domain of the present utility model.
Claims (8)
1. a grouting simulation test device, it is characterised in that: include slip casting permeability apparatus and carry out the compression system pressurizeed for slip casting permeability apparatus; Described slip casting permeability apparatus includes the inner core and the urceolus that are set in together, between inner core and urceolus can water filling in order to simulate saturated soil body Cementer condition; The top cover that described inner core barrel is provided with multiple water seepage hole, inner core and urceolus is provided with and stretches into Grouting Pipe that is therein and that be connected with compression system, is cased with up and down porous division board outside Grouting Pipe; The base of urceolus is provided with spilled water hole, and the bottom of inner core is detachable permeable stone and filter screen.
2. grouting simulation test device as claimed in claim 1, it is characterized in that: described compression system includes adding compression pump, slurry storing tank and Pressure gauge, being provided with agitator in slurry storing tank, slurry storing tank top is respectively equipped with bottom and adds compression pump and stock inlet that slip casting permeability apparatus connects and grout outlet;And it is provided with Pressure gauge at grout outlet place.
3. grouting simulation test device as claimed in claim 1, it is characterised in that: for being welded to connect between described urceolus and its base, urceolus is that single-side sealing hasp is flexibly connected with bung.
4. grouting simulation test device as claimed in claim 1, it is characterised in that: described inner core is formed by longitudinally asymmetric two halves circle snapping; It is provided with sealing rubber strip between two halves circle, is connected by outside quick clip joint sealing.
5. grouting simulation test device as claimed in claim 1, it is characterised in that: the junction of described top cover and base and inner core and urceolus is equipped with groove, is provided with sealing rubber pad in groove.
6. grouting simulation test device as claimed in claim 1, it is characterised in that: it is connected by sealing hasp between described inner core and urceolus with top cover and base, seals hasp and be located at outside top cover and base side and urceolus barrel.
7. grouting simulation test device as claimed in claim 1, it is characterised in that: on described porous division board, distribution has the aperture increased successively along plate radial direction diameter.
8. grouting simulation test device as claimed in claim 1, it is characterised in that: the top of described Grouting Pipe is connected to Multidirectional connector, between the two by Flange joint, Multidirectional connector is respectively equipped with control slurry valve and water control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040351.XU CN205301298U (en) | 2016-01-15 | 2016-01-15 | Slip casting analogue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040351.XU CN205301298U (en) | 2016-01-15 | 2016-01-15 | Slip casting analogue test device |
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| Publication Number | Publication Date |
|---|---|
| CN205301298U true CN205301298U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620040351.XU Expired - Fee Related CN205301298U (en) | 2016-01-15 | 2016-01-15 | Slip casting analogue test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527384A (en) * | 2016-01-15 | 2016-04-27 | 山东大学 | Grouting simulating test device and test method thereof |
| CN106338419A (en) * | 2016-08-10 | 2017-01-18 | 山东大学 | Porous multi-angle adjustable-depth type split-grouting specimen preparation device and method |
| CN106970181A (en) * | 2017-04-07 | 2017-07-21 | 河海大学 | A kind of drainage consolidation test device and method of grouting behind shaft or drift lining slurries in the earth formation |
| CN109613206A (en) * | 2018-11-14 | 2019-04-12 | 昆明理工大学 | One kind being used for the cured experimental provision of weak soil |
-
2016
- 2016-01-15 CN CN201620040351.XU patent/CN205301298U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527384A (en) * | 2016-01-15 | 2016-04-27 | 山东大学 | Grouting simulating test device and test method thereof |
| CN106338419A (en) * | 2016-08-10 | 2017-01-18 | 山东大学 | Porous multi-angle adjustable-depth type split-grouting specimen preparation device and method |
| CN106338419B (en) * | 2016-08-10 | 2019-06-14 | 山东大学 | A kind of porous multi-angle depth adjustable type fracture grouting sample preparation device and method |
| CN106970181A (en) * | 2017-04-07 | 2017-07-21 | 河海大学 | A kind of drainage consolidation test device and method of grouting behind shaft or drift lining slurries in the earth formation |
| CN109613206A (en) * | 2018-11-14 | 2019-04-12 | 昆明理工大学 | One kind being used for the cured experimental provision of weak soil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170115 |