CN205643310U - Move and fill type solution cavity prevention of seepage slip casting simulation experiment device under water condition - Google Patents
Move and fill type solution cavity prevention of seepage slip casting simulation experiment device under water condition Download PDFInfo
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- CN205643310U CN205643310U CN201620446847.7U CN201620446847U CN205643310U CN 205643310 U CN205643310 U CN 205643310U CN 201620446847 U CN201620446847 U CN 201620446847U CN 205643310 U CN205643310 U CN 205643310U
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Abstract
The utility model discloses a move and fill type solution cavity prevention of seepage slip casting simulation experiment device under water condition, including solution cavity simulation cavity and slip casting system, solution cavity simulation cavity separates through flexibility diaphragm subassembly and becomes to go up cavity and cavity down, the thick liquid export of slip casting system and cavity intercommunication down, and it has the solution -cavity filling thing to pack in the lower cavity, goes up the cavity and is equipped with a gas vent of taking the on -off control valve, and the experimental apparatus still lets in the pressurization system of pressure water in the cavity that is used for making progress. The utility model has the advantages of compact structure, convenient operation, cheap cost, accommodation are extensively.
Description
Technical field
This utility model relates to water conservancy and hydropower and technical field of civil engineering, is specifically related to a kind of river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation.
Background technology
Solution cavity can be formed by lava under high water head long term, and mainly with or without packed type and have packed type two kinds, its Anti-seeping technology is to ensure that the important component part of civil engineering safe operation, and treatment measures mainly have heavy excavation backfill and slip casting two kinds.The features such as it is few that slip casting has construction workload, and the duration is short, quality easily guarantee, at home and abroad extensively apply in karst foundation anti-seepage reinforcing engineering.Filling-type Karst cave antiseepage grouting Seed harvest is the important component part of project seepage controlling system, and its structural character is the important parameter of seepage control engineering design, and indoor physical model test is effective way and the method for filling-type Karst cave antiseepage grouting Seed harvest structural character.Such as: China Water Resources & Hydropower Science Research Institute is spontaneous have developed plate grouting test platform；Profound the armour fine jade, Sui Wanghua have developed a set of river channels voluntarily and place an order crack grouting simulation experiment system；Under the conditions of Guo Miwen, Sui Wang Huawei research environment under high pressure, the seepage flow diffusion characteristic of grouting serous fluid, have developed the grouting test system that can form more than 5MPa environment under high pressure；The self-control such as Zhao Honghai, Li Lei have developed a kind of crack grouting assay device.
In general, domestic and international existing grouting simulation test device mostly is crack or without filling hole, hole, still lacks filling-type Karst cave analogue experiment installation.Therefore, a kind of river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation is developed, in order to reasonably determine that river channels retrofilling type solution cavity antiseepage grouting controls parameter, become the problem that this area related personnel is badly in need of researching and solving.
Utility model content
The technical problems to be solved in the utility model is the deficiency overcoming prior art to exist, it is provided that a kind of compact conformation, easy to operate, the river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation of low cost, wide accommodation.
For solve above-mentioned technical problem, this utility model by the following technical solutions:
A kind of river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, including solution cavity simulation chamber and filling system, described solution cavity simulation chamber is separated into upper cavity and lower chamber by flexible partition assembly, the serum outlet of described filling system connects with described lower chamber, described lower chamber is filled with solution-cavity filling thing, described upper cavity is provided with the air vent of a band on-off control valve door, and described experimental provision also includes the compression system for being passed through press water in upper cavity.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, preferably, top cover and the base being sealedly attached to cylinder body bottom that described solution cavity simulation chamber by cylinder, is sealedly attached to cylinder top are constituted, and described cylinder includes the shell ring that two joints are sequentially connected with above by securing member；Described flexible partition assembly is waterproof cloth, and the surrounding of described waterproof cloth is sealed in along compression and wherein two saves between shell rings.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, it is preferred that described base is provided with osculum.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, preferably, described filling system includes grouting pump and the Grouting Pipe being connected with described grouting pump, the middle part of described waterproof cloth is provided with through hole, described Grouting Pipe stretches in lower chamber through described through hole, and described experimental provision is additionally provided with black box gap sealed between described through hole and Grouting Pipe.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, preferably, described black box includes being fixed on top cover and stretch into the orifice tube in cylinder, one end that described orifice tube stretches in cylinder is provided with ring flange, connected by securing member on described ring flange and have movable pressing board with holes, the middle part of described waterproof cloth compresses and is sealed between described ring flange and movable pressing board with holes, described Grouting Pipe sequentially passes through described orifice tube, the hole of described through hole and described movable pressing board with holes stretches in lower chamber, described orifice tube is provided with orifice closure gap sealed between Grouting Pipe and orifice tube.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, it is preferred that the port of export of described grouting pump is also equipped with the first on-off valve.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, it is preferred that described experimental provision also includes the Pressure gauge of pressure in detecting described upper cavity.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, preferably, described compression system includes pressure gas source and high pressure water tank, described pressure gas source is connected with the top of high pressure water tank by trachea, the bottom of described high pressure water tank is connected with described upper cavity by water pipe, and described water pipe is provided with the second on-off valve.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, it is preferred that described trachea is provided with air relief valve, and the top of described high pressure water tank is provided with vent valve.
Above-mentioned river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, it is preferred that described solution-cavity filling thing includes that sandstone and Karst filling material, described sandstone are laid on the bottom of lower chamber, and described Karst filling material is filled in the top of sandstone.
Compared with prior art, the utility model has the advantage of: river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation of the present utility model, use flexible partition assembly that solution cavity is simulated chamber and be separated into upper cavity and lower chamber, lower chamber is filled solution-cavity filling thing, pressure environment can be formed in upper cavity by compression system, flexible partition assembly forms a downward pressure from surrounding rock under pressure, thus realize the simulation to river channels retrofilling type solution cavity antiseepage grouting, and by changing the pressure that compression system applies, different pressures from surrounding rock can be simulated.The compact conformation of this analogue experiment installation, easy to operate, low cost, wide accommodation.
Accompanying drawing explanation
Fig. 1 is the structural representation of river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation.
Marginal data:
1, solution cavity simulation chamber；101, upper cavity；102, lower chamber；103, air vent；104, top cover；105, base；1051, osculum；106, shell ring；2, waterproof cloth；3, grouting pump；4, Grouting Pipe；5, orifice tube；6, orifice closure；7, the first on-off valve；8, Pressure gauge；9, pressure gas source；10, high pressure water tank；11, the second on-off valve；12, air relief valve；100, sandstone；200, Karst filling material.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As shown in Figure 1, the river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation of the present embodiment, including solution cavity simulation chamber 1 and filling system, solution cavity simulation chamber 1 is separated into upper cavity 101 and lower chamber 102 by flexible partition assembly, the serum outlet of filling system connects with lower chamber 102, being filled with solution-cavity filling thing in lower chamber 102, upper cavity 101 is provided with the air vent 103 of a band on-off control valve door, and experimental provision also includes the compression system for being passed through press water in upper cavity 101.
In the present embodiment, top cover 104 and the base 105 being connected to cylinder body bottom that solution cavity simulation chamber 1 by cylinder, is sealedly attached to cylinder top are constituted, and are provided with osculum 1051 on the pedestal 105, can simulate Karst filling material compression concretion drainage channel.Cylinder includes the shell ring 106 that three joints are sequentially connected with by securing member.Flexible partition assembly uses high-strength waterproof cloth 2, and the surrounding of waterproof cloth 2 is sealed in along compression and wherein two saves between shell rings 106.By changing the height of corresponding shell ring 106, the solution cavity of different depth can be simulated.
In above-mentioned cylinder, three joint shell rings 106 are divided into top shell ring 106, middle part shell ring 106 and bottom shell ring 106, each shell ring 106 is cylindric steel cylinder, and two ends are all welded with hollow flange dish, use bolt to be connected by the ring flange of adjacent cylindrical section 106 joint fixing, rubber seal is set between ring flange.Preferably, the internal diameter of each shell ring 106 is 50 ~ 60mm, and wall thickness is 10mm, and the height of top shell ring 106 is 250 ~ 350mm, and the height of middle part shell ring 106 is 150mm, and the height of bottom shell ring 106 is 150 ~ 850mm.
In the present embodiment, filling system includes grouting pump 3 and the Grouting Pipe 4 being connected with grouting pump 3, the middle part of waterproof cloth 2 is provided with through hole, Grouting Pipe 4 vertically stretches in lower chamber 102 through this through hole, it is provided with gap sealed black box between the two between through hole and Grouting Pipe 4, can truly simulate Karst filling material slip casting process.The black box that the present embodiment is used includes orifice tube 5, orifice tube 5 is fixed on top cover 104 and stretches in cylinder, one end that orifice tube 5 stretches in cylinder is provided with ring flange, connected by securing member on ring flange and have movable pressing board with holes, the middle part of waterproof cloth 2 compresses and is sealed between ring flange and movable pressing board with holes, upper cavity 101 is made not connect with lower chamber 102, Grouting Pipe 4 sequentially passes through orifice tube 5, the through hole of waterproof cloth 2 and the hole of movable pressing board with holes stretch in lower chamber 102, orifice tube 5 is provided with orifice closure 6 gap sealed between Grouting Pipe 4 and orifice tube 5.Orifice closure 6 is prior art, and it can hold grouting pump 3 tightly and by the clearance seal between Grouting Pipe 4 and orifice tube 5.
Further, the port of export at grouting pump 3 is also equipped with the first on-off valve 7, in order to control the break-make of serosity.
In the present embodiment, experimental provision also includes the Pressure gauge 8 of pressure in detecting upper cavity 101, and Pressure gauge 8 is arranged on top shell ring 106, can observe the force value in upper cavity 101 directly, easily by Pressure gauge 8.
In the present embodiment, compression system includes that pressure gas source 9 and high pressure water tank 10, pressure gas source 9 are connected with the top of high pressure water tank 10 by trachea, and the bottom of high pressure water tank 10 is connected with upper cavity 101 by water pipe, and water pipe is provided with the second on-off valve 11.Above-mentioned pressure gas source 9 can use nitrogen cylinder.Use this compression system can simulate limestone cave leak situation.
In the present embodiment, trachea is provided with air relief valve 12, can be regulated by air relief valve 12 and be passed into the pressure of gas in high pressure water tank 10, and then controls the pressure in the hydraulic pressure of high pressure water tank 10 and upper cavity 101, reaches regulation and controls the purpose of pressure from surrounding rock.The top of high pressure water tank 10 is provided with vent valve, by vent valve, the pressed gas discharge of high pressure water tank 10 can be carried out release.
The solution-cavity filling thing of the present embodiment includes sandstone 100 and Karst filling material 200, and sandstone 100 is laid on the bottom of lower chamber 102, and Karst filling material 200 is filled in the top of sandstone 100.
Work process and the principle of the present embodiment river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation be:
A () installs sample and experimental provision.First high-strength waterproof cloth 2 is pressed abd fixed between fixation clip and the movable pressing board of orifice tube 5, again it is connected with the shell ring 106 on top, and by securing member, the shell ring 106 of bottom is connected with base 105, and empirically need to complete sandstone 100, reconnect the shell ring 106 at good middle part, and according to experimental subject filling Karst filling material 200, finally the shell ring 106 on top and the shell ring 106 at middle part are connected by securing member, make the surrounding of waterproof cloth 2 be pressed abd fixed between the shell ring 106 on top and the shell ring 106 at middle part.
B () applies confined pressure.First high pressure water tank 10 is full of water, then opens the second on-off valve 11 and air vent 103, after the gas in top shell ring 106 is discharged, close air vent 103, open pressure gas source 9, slowly screw air relief valve 12, observe the show value of Pressure gauge 8 so that it is reach setting value.
C () antiseepage grouting is simulated.Screwing orifice closure 6 makes it hold Grouting Pipe 4 tightly, prepares serosity in proportion and pours grouting pump 3 into, opens grouting pump 3 and starts grouting, until it reaches design ending standard, closes grouting pump 3.
D () Characters is observed.30min to be coagulated after grouting terminates, closing presure source of the gas 9, open air vent 103, top shell ring 106 and middle part shell ring 106 are removed successively, grouting Seed harvest is cut open, observe Characters.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment.To those of ordinary skill in the art, the modifications and variations obtained by under without departing from this utility model technology concept thereof also should be regarded as protection domain of the present utility model.
Claims (10)
1. a river channels retrofilling type solution cavity antiseepage grouting analogue experiment installation, including solution cavity simulation chamber (1) and filling system, it is characterized in that: described solution cavity simulation chamber (1) is separated into upper cavity (101) and lower chamber (102) by flexible partition assembly, the serum outlet of described filling system connects with described lower chamber (102), described lower chamber is filled with solution-cavity filling thing in (102), described upper cavity (101) is provided with the air vent (103) of a band on-off control valve door, described experimental provision also includes the compression system for being passed through press water in upper cavity (101).
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 1, it is characterized in that: top cover (104) and the base (105) being sealedly attached to cylinder body bottom that described solution cavity simulation chamber (1) by cylinder, is sealedly attached to cylinder top are constituted, and described cylinder includes the shell ring (106) that two joints are sequentially connected with above by securing member；Described flexible partition assembly is waterproof cloth (2), and the surrounding of described waterproof cloth (2) is sealed in along compression and wherein two saves between shell ring (106).
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 2, it is characterised in that: described base (105) is provided with osculum (1051).
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 2, it is characterized in that: described filling system includes grouting pump (3) and the Grouting Pipe (4) being connected with described grouting pump (3), the middle part of described waterproof cloth (2) is provided with through hole, described Grouting Pipe (4) stretches in lower chamber (102) through described through hole, and described experimental provision is additionally provided with gap sealed black box between described through hole and Grouting Pipe (4).
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 4, it is characterized in that: described black box includes being fixed in the orifice tube (5) that top cover (104) is upper and stretches in cylinder, one end that described orifice tube (5) stretches in cylinder is provided with ring flange, connected by securing member on described ring flange and have movable pressing board with holes, the middle part of described waterproof cloth (2) compresses and is sealed between described ring flange and movable pressing board with holes, described Grouting Pipe (4) sequentially passes through described orifice tube (5), the hole of described through hole and described movable pressing board with holes stretches in lower chamber (102), described orifice tube (5) is provided with gap sealed orifice closure (6) between Grouting Pipe (4) and orifice tube (5).
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 5, it is characterised in that: the port of export of described grouting pump (3) is also equipped with the first on-off valve (7).
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 1, it is characterised in that: described experimental provision also includes the Pressure gauge (8) of pressure in detecting described upper cavity (101).
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 1, it is characterized in that: described compression system includes pressure gas source (9) and high pressure water tank (10), described pressure gas source (9) is connected with the top of high pressure water tank (10) by trachea, the bottom of described high pressure water tank (10) is connected with described upper cavity (101) by water pipe, and described water pipe is provided with the second on-off valve (11).
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 8, it is characterised in that: described trachea is provided with air relief valve (12), and the top of described high pressure water tank (10) is provided with vent valve.
River channels retrofilling type solution cavity antiseepage grouting analogue experiment installation the most according to claim 1, it is characterized in that: described solution-cavity filling thing includes sandstone (100) and Karst filling material (200), described sandstone (100) is laid on the bottom of lower chamber (102), and described Karst filling material (200) is filled in the top of sandstone (100).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446847.7U CN205643310U (en) | 2016-05-17 | 2016-05-17 | Move and fill type solution cavity prevention of seepage slip casting simulation experiment device under water condition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620446847.7U CN205643310U (en) | 2016-05-17 | 2016-05-17 | Move and fill type solution cavity prevention of seepage slip casting simulation experiment device under water condition |
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| CN205643310U true CN205643310U (en) | 2016-10-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571099A (en) * | 2016-10-19 | 2017-04-19 | 长安大学 | Indoor simulation device for road base or roadbed grouting reinforcement effects |
| 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 |
| CN108508151A (en) * | 2018-04-02 | 2018-09-07 | 中国石油大学(华东) | A kind of pressure break diverting agent sealing characteristics evaluation experimental device and its working method and application |
| CN111998890A (en) * | 2020-07-17 | 2020-11-27 | 中交第二航务工程局有限公司 | Grouting plugging model test system based on water seepage condition |
| CN114563319A (en) * | 2021-12-07 | 2022-05-31 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
| CN114808989A (en) * | 2022-05-07 | 2022-07-29 | 南昌大学 | Rock structure surface pressure grouting equipment capable of adjusting filling thickness |
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2016
- 2016-05-17 CN CN201620446847.7U patent/CN205643310U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571099A (en) * | 2016-10-19 | 2017-04-19 | 长安大学 | Indoor simulation device for road base or roadbed grouting reinforcement effects |
| CN106571099B (en) * | 2016-10-19 | 2018-12-18 | 长安大学 | A kind of roadbase or roadbed grouting and reinforcing reinforcing effect indoor simulation device |
| 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 |
| CN108508151A (en) * | 2018-04-02 | 2018-09-07 | 中国石油大学(华东) | A kind of pressure break diverting agent sealing characteristics evaluation experimental device and its working method and application |
| CN111998890A (en) * | 2020-07-17 | 2020-11-27 | 中交第二航务工程局有限公司 | Grouting plugging model test system based on water seepage condition |
| CN114563319A (en) * | 2021-12-07 | 2022-05-31 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
| CN114563319B (en) * | 2021-12-07 | 2024-04-02 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
| CN114808989A (en) * | 2022-05-07 | 2022-07-29 | 南昌大学 | Rock structure surface pressure grouting equipment capable of adjusting filling thickness |
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