CN202975004U - Multifunctional cuboid geotechnical model test system for simulating seepage of artesian aquifer - Google Patents
Multifunctional cuboid geotechnical model test system for simulating seepage of artesian aquifer Download PDFInfo
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- CN202975004U CN202975004U CN 201220486641 CN201220486641U CN202975004U CN 202975004 U CN202975004 U CN 202975004U CN 201220486641 CN201220486641 CN 201220486641 CN 201220486641 U CN201220486641 U CN 201220486641U CN 202975004 U CN202975004 U CN 202975004U
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Abstract
The utility model relates to a multifunctional cuboid geotechnical model test system for simulating the seepage of an artesian aquifer. A pressurizing system which pressurizes the water inside a model box and comprises a cover plate, a spring, a piston rod and a top plate is added on the basis of a common cuboid model box aiming at the test which is as follows: a common test system simulates land subsidence caused because the water level of an urban underground artesian aquifer is lowered is more difficult; when the pressurizing system is not placed in the model box, the seepage test of a common phreatic aquifer can be carried out; the piston rod and the spring are assembled in the preformed hole of the top plate and placed on the water surface of the model box, the cover plate which previously penetrates through the preformed hole penetrates along the piston rod to cover on the spring, the cover plate is pressurized through a jack, pressure is transmitted to the water through the integral pressurizing system, and the spring is regulated to endue the pressure with different initial values to the water to simulate the artesian aquifer. The multifunctional test equipment provided by the utility model can be used for carrying out seepage tests, namely precipitation, reinjection, and the like, on the phreatic aquifer and the artesian aquifer in a geotechnical model test.
Description
Technical field
The utility model relates to a kind of Geotechnical Engineering soil test system, especially a kind of multi-functional rectangular parallelepiped geotechnical model test system of simulating artesian aquifer seepage flow.
Background technology
At present, known geotechnical model test is called again little guide test, earth structure or ground and basis to be dwindled put into model casing after several times and carry out shop experiment, obtain the basic parameter of soil sample in model, give information for intensity and the distortion of prediction prototype, can overcome like this unfavorable factors such as the restriction of in-situ test site condition and full scale test high cost.Test apparatus that be used for to contain soil in the model test device that is absolutely necessary.In recent years, be used for conventional excavation, load slow test and contain diving soil layer seepage tests model casing that larger development is arranged, rarely seenly measure resistance to shear of soil, strain during for simulation artesian aquifer seepage flow, the test unit that pore water pressure changes, the disappearance of this type model test apparatus makes in the simcity underground artesian aquifer water level reduce the experiment work that causes land subsidence to carry out very difficultly, hindered the carrying out of related scientific research work.
Summary of the invention
Carry out deficiency on artesian aquifer seepage tests function in order to overcome the conventional model case, the utility model provides a kind of multi-functional rectangular parallelepiped geotechnical model test system of simulating artesian aquifer seepage flow, not only can be used for containing the model test that the diving soil layer carries out precipitation and recharges, and by but compression system is set, make this kind utility model also can be used for the model test that artesian aquifer carries out precipitation and recharges.
For achieving the above object, design of the present utility model is: increase pressue device on original casing and water piping system.After having measured model casing end face opening length and width size, make the steel top board with 5cm thickness according to this size, do not run through 12 circular holes of top board along the one even cutting of side of top board face, 12 cylindrical steel piston rods are welded into respectively in circular hole, and each piston rod penetrates in a spring.Spring just stands upright on the outer and vertical support of piston rod on the steel top board.Make again a steel deck-plate, dig 12 in same position and run through circular hole, guarantee that cover plate can pass on the opposite side that piston rod covers spring from an other side.After soil sample and water are loaded into model casing, with the steel top board of having settled piston rod and spring on it put in model casing as for the water surface on, cover plate being passed piston covers on 12 springs again, pressurize by the jack pair cover plate, cause cover plate distortion, acting force of the spring is passed to the water surface by top board, and after the pressure of lifting jack is applied to certain value, with bolt and nut, cover plate and casing top wild card angle steel are fixed, can also be formed the continuation compression system after removing lifting jack.Pressure evenly passes to water main box from lifting jack by compression system, and the size of pressure can be by the Deformation control of spring.Therefore before carrying out the soil layer seepage tests, given the soil water certain pressure, with the simulation piestic water.In conjunction with pipe system, this allpurpose model pilot system can contain diving, piestic water stratum at precipitation and the seepage tests research of soil layer vertical deformation rule in recharging process.
According to above-mentioned utility model design, the utility model adopts following technical proposals: a kind of multi-functional rectangular parallelepiped geotechnical model test system of simulating artesian aquifer seepage flow, comprise rectangular parallelepiped molding box body, bottom support framework, water inlet pipe and water outlet pipe system and soil pressure and pore water pressure force measuring system is characterized in that: a pressue device is equipped with at described rectangular parallelepiped molding box body top.
be characterised in that described pressue device comprises top board, guide rod, spring and cover plate, described top board is placed in described rectangular parallelepiped molding box body top inner chamber and joins with rectangular parallelepiped molding box body cunning, the some described guide rods that on top board, uniform fixed vertical connects, described spring of suit on every guide rod, the perforation of joining with the guide rod cunning is arranged on described cover plate, guide rod passes perforation and cover plate is supported on each spring, the bolt hole corresponding with rectangular parallelepiped molding box body top surrounding angle steel arranged on the edge of cover plate, there is standby lifting jack to exert pressure to cover plate, exerting pressure to set pressure, realize cover plate and the rectangular parallelepiped molding box body maintenance constant pressure value that removably connects by bolt and nut.
The angle steel of a circle wild card is settled at described rectangular parallelepiped molding box body top, the organic glass panel is equipped with in the front of rectangular parallelepiped molding box body, the upper, middle and lower part of rectangular parallelepiped molding box body right side wall has respectively the top intake-outlet, middle part intake-outlet and bottom intake-outlet, two measuring instrument wiring inlets are arranged at the top of rectangular parallelepiped molding box body left side wall, and a bottom intake-outlet is arranged at the bottom.
Described water inlet pipe and water outlet pipe system is that the water pump connector is divided into two-way by pipeline, one the tunnel connects a water inlet pipe and water outlet pipe by three-way connection after a total water check valve of inlet pipeline, one end of this water inlet pipe and water outlet pipe is connected top intake-outlet, middle part intake-outlet and the bottom intake-outlet of rectangular parallelepiped molding box body right side wall by three-way connection, the other end is by a total water check valve of the discharge pipe line water lines of running in; The bottom intake-outlet of rectangular parallelepiped molding box body left side wall by three-way connection, is then connected in another road by rectangular parallelepiped molding box body bottom water check valve after the total water check valve of another inlet pipeline, and by the total water check valve of another discharge pipe line water lines of running in; It is inner that the sensor conductor of described soil pressure and pore water pressure force measuring system is introduced rectangular parallelepiped molding box body by the wiring inlet on rectangular parallelepiped molding box body left side wall.
The beneficial effects of the utility model are, not only can contain the model test of diving soil layer seepage flow, also can be by increasing top board, and spring, the pressue device that cover plate forms carry out the percolation model test of confined aquifer.Instrument is simple, convenient operation, and the artesian pressure size can be controlled.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is model test overall system assembly drawing.
Fig. 2 is top board assembly drawing of the present utility model.
Fig. 3 is the main box structural drawing of model test system.
Fig. 4 is the overall assembly drawing of model test system casing.
Fig. 5 is the inlet and outlet pipe figure of model test system.
Embodiment
Details are as follows by reference to the accompanying drawings for preferred embodiment of the present utility model:
Embodiment one:
Referring to Fig. 1, the multi-functional rectangular parallelepiped geotechnical model test system of this simulation artesian aquifer seepage flow, comprise rectangular parallelepiped molding box body, bottom support framework, water inlet pipe and water outlet pipe system and soil pressure and pore water pressure force measuring system is characterized in that: a pressue device is equipped with at described rectangular parallelepiped molding box body top.
Embodiment two:
referring to Fig. 1～5, the present embodiment and embodiment one are basic identical, special feature is as follows: described pressue device comprises top board (3), guide rod (1), spring (2) and cover plate (4), described top board (3) is placed in described rectangular parallelepiped molding box body (5) top inner chamber and joins with rectangular parallelepiped molding box body cunning, the some described guide rods (1) that the upper uniform fixed vertical of top board (3) connects, the upper suit of every guide rod (a 1) described spring (2), have on described cover plate (4) and the sliding perforation of joining of guide rod (1), guide rod (1) passes perforation and cover plate (4) is supported on each spring (2), the bolt hole corresponding with rectangular parallelepiped molding box body (5) top surrounding angle steel (13) arranged on the edge of cover plate (4), there is standby lifting jack to exert pressure to cover plate, exerting pressure to set pressure, realize cover plate (4) and rectangular parallelepiped molding box body (5) the maintenance constant pressure value that removably connects by bolt and nut.The angle steel (13) of a circle wild card is settled at described rectangular parallelepiped molding box body (5) top, organic glass panel (6) is equipped with in the front of rectangular parallelepiped molding box body (5), the upper, middle and lower part of rectangular parallelepiped molding box body (5) right side wall has respectively top intake-outlet (7), middle part intake-outlet (8) and bottom intake-outlet (9), two measuring instrument wiring inlets (11,12) are arranged at the top of rectangular parallelepiped molding box body (5) left side wall, and a bottom intake-outlet (10) is arranged at the bottom.Described water inlet pipe and water outlet pipe system is that water pump connector (23) is divided into two-way by pipeline, one the tunnel connects a water inlet pipe and water outlet pipe by three-way connection after a total water check valve of inlet pipeline (19), one end of this water inlet pipe and water outlet pipe is connected top intake-outlet (7), middle part intake-outlet (8) and the bottom intake-outlet (9) of rectangular parallelepiped molding box body (5) right side wall by three-way connection, the other end is by a total water check valve of discharge pipe line (21) water lines of running in; Three-way connection is passed through in another road after the total water check valve of another inlet pipeline (20), then connect the bottom intake-outlet (10) of casing left side wall by rectangular parallelepiped molding box body (5) bottom water check valve (18), and by the total water check valve of another discharge pipe line (20) water lines of running in; The sensor conductor of described soil pressure and pore water pressure force measuring system is by the introducing rectangular parallelepiped molding box body (5) of the wiring inlet (11,12) on rectangular parallelepiped molding box body (5) left side wall inside.
Embodiment three:
Referring to Fig. 1～5, the multi-functional rectangular parallelepiped geotechnical model test system of this simulation artesian aquifer seepage flow: see Fig. 1, the assembling form of whole model system, is recharged pipe system and is placed on together on bottom support framework (14) as support system compression system, rectangular parallelepiped molding box body (5) and precipitation.
See Fig. 2, guide rod (1) is welded in the circular hole that on top board, (3) are reserved fixing, and spring (2) is inserted in respectively in guide rod (1), and vertical straight stands on top board (3).
See Fig. 3, the model casing length direction adopts organic glass panel (6), the collection of image in being convenient to test, rectangular parallelepiped molding box body (5) end face is settled a circle wild card angle steel (13), evenly perforate on angle steel, the upper also perforate of correspondence position of cover plate (4), make bolt can inserted angle steel (13) and the perforate of cover plate (4) in, will both fix.Because when test rectangular build casing (5) inside seal, so reservation measuring instrument wiring inlet (11,12), the wire of soil pressure and measuring pore water pressure system sensor can be arranged on rectangular parallelepiped molding box body (5) inside by it.
See Fig. 4, be placed on bottom support framework (14) rectangular parallelepiped molding box body (5) after loading soil sample and water, the water surface will exceed soil sample plane certain distance, the top board (3), guide rod (1) and the spring (2) that have assembled are put on the water surface of rectangular parallelepiped molding box body (5) together, for preventing that a small amount of water is by overflowing between top board (3) and rectangular parallelepiped molding box body (5) space, top board (3) is pasted a circle high-density sponge on every side, to improve the sealing of whole model equipment.Again cover plate (4) is passed corresponding guide rod (1) by hole, be supported on spring, and utilize guide rod (1) to limit the level of cover plate (4) to motion.The apical side height of spring (2) is higher than the end face of rectangular parallelepiped molding box body (5), with guarantee cover plate (4) under pressure can with spring (2) compatible deformation, but not directly be supported on angle steel (13), when jack pair cover plate (4) when being pressurized to required force value, with bolt and nut fixedly wild card angle steel (13) and cover plate (4), remove lifting jack and also can keep the persistent pressure state this moment.Should select the larger spring of rigidity (2), purpose is to make cover plate (4) in the certain displacement scope, and pressure range is larger.
see Fig. 5, water pump connector (23) is connected with water pump, drawing water from the external world by water pump provides test water for model system, the total water check valve of the system that blinds off a line inlet pipeline (20) and the total water check valve of discharge pipe line (21), open part water check valve (18) under rectangular parallelepiped molding box body, the total water check valve of inlet pipeline (19) and the total water check valve of discharge pipe line (22), suitably open part water check valve (15) on rectangular parallelepiped molding box body, part water check valve (16) in rectangular parallelepiped molding box body, part water check valve (17) under rectangular parallelepiped molding box body, when guaranteeing water intake velocity less than drainage speed, can carry out the precipitation test, open part water check valve (18) under rectangular parallelepiped molding box body, the total water check valve of inlet pipeline (20) and the total water check valve of discharge pipe line (21), close the total water check valve of inlet pipeline (19), the total water check valve of discharge pipe line (22), suitably open part water check valve (15) on rectangular parallelepiped molding box body, part water check valve (16) in rectangular parallelepiped molding box body, part water check valve (17) under rectangular parallelepiped molding box body when guaranteeing water intake velocity greater than drainage speed, can carry out Returning test.
Claims (4)
1. multi-functional rectangular parallelepiped geotechnical model test system of simulating artesian aquifer seepage flow, comprise rectangular parallelepiped molding box body (5), bottom support framework (14), water inlet pipe and water outlet pipe system and soil pressure and pore water pressure force measuring system is characterized in that: a pressue device is equipped with at described rectangular parallelepiped molding box body (5) top.
2. the multi-functional rectangular parallelepiped geotechnical model test system of simulation artesian aquifer seepage flow according to claim 1, it is characterized in that described pressue device comprises top board (3), guide rod (1), spring (2) and cover plate (4), described top board (3) is placed in described rectangular parallelepiped molding box body (5) top inner chamber and joins with the casing cunning, the some described guide rods (1) of the upper uniform vertical welding of top board (3), the upper suit of every guide rod (a 1) described spring (2), have on described cover plate (4) and the sliding perforation of joining of guide rod (1), guide rod (1) passes perforation and cover plate (4) is supported on each spring (2), the bolt hole corresponding with rectangular parallelepiped molding box body (5) top surrounding angle steel (13) arranged on the edge of cover plate (4), there is standby lifting jack to exert pressure to cover plate, exerting pressure to set pressure, realize cover plate (4) and rectangular parallelepiped molding box body (5) the maintenance constant pressure value that removably connects by bolt and nut.
3. the multi-functional rectangular parallelepiped geotechnical model test system of simulation artesian aquifer seepage flow according to claim 1, it is characterized in that: the angle steel (13) of described rectangular parallelepiped molding box body (5) top arrangement one circle wild card, organic glass panel (6) is equipped with in the front of rectangular parallelepiped molding box body (5), rectangular parallelepiped molding box body (5) right side wall upper, in, lower part has respectively top intake-outlet (7), middle part intake-outlet (8) and bottom intake-outlet (9), two measuring instrument wiring inlets (11 are arranged at the top of rectangular parallelepiped molding box body (5) left side wall, 12), a bottom intake-outlet (10) is arranged at the bottom.
4. the multi-functional rectangular parallelepiped geotechnical model test system of simulation artesian aquifer seepage flow according to claim 3, it is characterized in that: described water inlet pipe and water outlet pipe system is that water pump connector (23) is divided into two-way by pipeline, one the tunnel connects a water inlet pipe and water outlet pipe by three-way connection after a total water check valve of inlet pipeline (19), one end of this water inlet pipe and water outlet pipe is connected the top intake-outlet (7) of rectangular parallelepiped molding box body (5) right side wall by three-way connection, middle part intake-outlet (8) and bottom intake-outlet (9), the other end is by a total water check valve of discharge pipe line (21) water lines of running in, three-way connection is passed through in another road after the total water check valve of another inlet pipeline (20), then connect the bottom intake-outlet (10) of casing left side wall by rectangular parallelepiped molding box body (5) bottom water check valve (18), and by the total water check valve of another discharge pipe line (20) water lines of running in, the sensor conductor of described soil pressure and pore water pressure force measuring system is by the introducing rectangular parallelepiped molding box body (5) of the wiring inlet (11,12) on rectangular parallelepiped molding box body (5) left side wall inside.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220486641 CN202975004U (en) | 2012-09-24 | 2012-09-24 | Multifunctional cuboid geotechnical model test system for simulating seepage of artesian aquifer |
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| CN 201220486641 CN202975004U (en) | 2012-09-24 | 2012-09-24 | Multifunctional cuboid geotechnical model test system for simulating seepage of artesian aquifer |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104897553A (en) * | 2015-06-23 | 2015-09-09 | 同济大学 | Layered saturated soil seepage consolidation simulating device |
| CN104897877A (en) * | 2015-06-12 | 2015-09-09 | 济南轨道交通集团有限公司 | Indoor reinjection model test system simulating confined water stratum and control method of indoor reinjection model test system |
| CN105926685A (en) * | 2016-04-28 | 2016-09-07 | 中国科学院武汉岩土力学研究所 | Built-in retaining wall type earth pressure displacement effect test method |
| CN106840894A (en) * | 2015-12-03 | 2017-06-13 | 同济大学 | One kind consolidation loading device |
| CN107389446A (en) * | 2017-06-13 | 2017-11-24 | 上海交通大学 | It is layered off-load and non-homogeneous sidesway supporting lateral pressure test model apparatus and method |
| CN108279297A (en) * | 2018-03-26 | 2018-07-13 | 山东科技大学 | Solid material strip filling stability simulation system, subject and method |
| CN109507085A (en) * | 2018-12-29 | 2019-03-22 | 水利部交通运输部国家能源局南京水利科学研究院 | Simulate the true triaxial experimental provision and its method of the multidirectional seepage flow of earth rock material |
| CN109797702A (en) * | 2019-03-13 | 2019-05-24 | 安徽理工大学 | A kind of Pearl Spring model based on the artesian aquifer torrent origin cause of formation |
| CN110658043A (en) * | 2019-10-16 | 2020-01-07 | 华南理工大学 | Test device for preparing sand body in pressure-bearing seepage characteristic state and operation method |
| CN111103418A (en) * | 2019-12-18 | 2020-05-05 | 山东大学 | Simulation test system and test method for ground settlement caused by extraction of confined water |
| CN111175140A (en) * | 2020-01-21 | 2020-05-19 | 安徽理工大学 | Confined aquifer simulation test device for analog simulation test |
| CN113066357A (en) * | 2021-04-01 | 2021-07-02 | 宿迁学院 | Urban planning ground rainwater seepage simulation device |
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2012
- 2012-09-24 CN CN 201220486641 patent/CN202975004U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104897877A (en) * | 2015-06-12 | 2015-09-09 | 济南轨道交通集团有限公司 | Indoor reinjection model test system simulating confined water stratum and control method of indoor reinjection model test system |
| CN104897877B (en) * | 2015-06-12 | 2016-06-29 | 济南轨道交通集团有限公司 | Model assay systems and control method thereof are recharged in the indoor on simulation artesian water stratum |
| CN104897553A (en) * | 2015-06-23 | 2015-09-09 | 同济大学 | Layered saturated soil seepage consolidation simulating device |
| CN106840894A (en) * | 2015-12-03 | 2017-06-13 | 同济大学 | One kind consolidation loading device |
| CN105926685A (en) * | 2016-04-28 | 2016-09-07 | 中国科学院武汉岩土力学研究所 | Built-in retaining wall type earth pressure displacement effect test method |
| CN105926685B (en) * | 2016-04-28 | 2017-12-22 | 中国科学院武汉岩土力学研究所 | Built-in retaining wall type soil pressure displacement effect test method |
| CN107389446B (en) * | 2017-06-13 | 2019-07-05 | 上海交通大学 | It is layered off-load and non-homogeneous sidesway supporting lateral pressure test model apparatus and method |
| CN107389446A (en) * | 2017-06-13 | 2017-11-24 | 上海交通大学 | It is layered off-load and non-homogeneous sidesway supporting lateral pressure test model apparatus and method |
| CN108279297A (en) * | 2018-03-26 | 2018-07-13 | 山东科技大学 | Solid material strip filling stability simulation system, subject and method |
| CN109507085A (en) * | 2018-12-29 | 2019-03-22 | 水利部交通运输部国家能源局南京水利科学研究院 | Simulate the true triaxial experimental provision and its method of the multidirectional seepage flow of earth rock material |
| CN109507085B (en) * | 2018-12-29 | 2021-05-28 | 水利部交通运输部国家能源局南京水利科学研究院 | True triaxial experiment device and method for simulating multidirectional seepage of soil and stone materials |
| CN109797702A (en) * | 2019-03-13 | 2019-05-24 | 安徽理工大学 | A kind of Pearl Spring model based on the artesian aquifer torrent origin cause of formation |
| CN110658043A (en) * | 2019-10-16 | 2020-01-07 | 华南理工大学 | Test device for preparing sand body in pressure-bearing seepage characteristic state and operation method |
| CN111103418A (en) * | 2019-12-18 | 2020-05-05 | 山东大学 | Simulation test system and test method for ground settlement caused by extraction of confined water |
| CN111103418B (en) * | 2019-12-18 | 2022-03-25 | 山东大学 | Simulation test system and test method for ground settlement caused by extraction of confined water |
| CN111175140A (en) * | 2020-01-21 | 2020-05-19 | 安徽理工大学 | Confined aquifer simulation test device for analog simulation test |
| CN113066357A (en) * | 2021-04-01 | 2021-07-02 | 宿迁学院 | Urban planning ground rainwater seepage simulation device |
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Granted publication date: 20130605 Termination date: 20130924 |