CN106324226B - Monitor seepage action of ground water, sedimentation perfusion one laboratory testing rig and method - Google Patents

Monitor seepage action of ground water, sedimentation perfusion one laboratory testing rig and method Download PDF

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CN106324226B
CN106324226B CN201610954302.1A CN201610954302A CN106324226B CN 106324226 B CN106324226 B CN 106324226B CN 201610954302 A CN201610954302 A CN 201610954302A CN 106324226 B CN106324226 B CN 106324226B
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China
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water
soil
sensor
well
soil sample
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CN201610954302.1A
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CN106324226A (en
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马秀媛
王欣桐
胡杰
李术才
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山东大学
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials

Abstract

A kind of monitoring seepage action of ground water, the perfusion one laboratory testing rig and method of sedimentation, including a visualization circular mode type tube, multiple porous discs are housed in the visualization circular mode type tube interpolation, and a rectangle soil sample case is formed between multiple porous discs, the rectangle soil sample case is for containing soil sample, the inverted well and dewatering well being connected with water supply installation are inserted in the soil sample, it can carry out layering pumping water, the pore water osmolarity sensor being connected with information analysis system is embedded in the soil sample, soil pressure sensor, displacement sensor and hydraulic pressure gauge;It is formed between the porous disc and circular mode type tube and becomes level water tank room, the change level water tank room controls the height of its water level by the flow control valve installed on inverted well and dewatering well, simulates real working condition.

Description

Monitor seepage action of ground water, sedimentation perfusion one laboratory testing rig and method
Technical field
The present invention relates to a kind of perfusion one new indoor experimental rig for monitoring seepage action of ground water, sedimentation and operations Method.
Background technology
Underground water is a kind of most valuable resource.With the quickening of Urbanization Process In China, in terms of mining of groundwater, Amount of groundwater mining average speed with 25 billion cubic meters in China's increases, and city size and Underground Space Resource utilization rate constantly carry Height has caused being largely lost for underground water.Development artificial groundwater recharge can alleviate this problem significantly, reduce since precipitation draws The ground risen settles on a large scale and differential settlement, is played an important role to protection groundwater resources.Due to construction site ten Divide complexity, needs to carry out laboratory test simulation recharge in many cases, key parameter is determined, to instruct Practical Project.But The Returning test carried out in Practical Project often uses duration, price high, and only carries out single Returning test, lacks to various The comprehensive measurement and processing of variable, lack and consider to precipitation, recharge.So the research technique for passing through indoor simulation It is necessary to study precipitation and influence of the recharge collective effect to desired effect, is badly in need of a kind of device and may be implemented to specific Engineering perfusion is integrally simulated.
Invention content
The appearance of the present invention in order to solve the above problem, provide it is a kind of can be used for monitor seepage action of ground water, sedimentation filling The integrated new indoor experimental rig of note and operating method.
To achieve the above object, the present invention uses following technical proposals:
A kind of perfusion one new indoor experimental rig for monitoring seepage action of ground water, sedimentation, including a visualization Circular mode type tube is equipped with multiple porous discs in the visualization circular mode type tube interpolation, and forms one between multiple porous discs A rectangle soil sample case, the rectangle soil sample case are inserted in the soil sample and are connected with water supply installation for containing soil sample Inverted well and dewatering well, the inverted well and dewatering well can realize the function of layering pumping water, be buried in the soil sample There are the pore water osmolarity sensor being connected with information analysis system, soil pressure sensor, displacement sensor and hydraulic pressure gauge; It is formed between the porous disc and circular mode type tube and becomes level water tank room, the change level water tank room is by connecting external supply Water installations control the height of its water level, simulate real working condition.
Further, the cup dolly upper surface of the model cylinder is in regular concavo-convex shape, the multilayer for nested top Porous disc;The fine and closely woven gauze of patch in the porous disc, to prevent grogs from entering water tank room.
Further, readable scale, inside have the indentation of protrusion on the outside of the multilayer porous disc.
Further, when setting gradually irregular soil layer in the rectangle soil sample case, lower layer's soil body thereon is carried out Isolation, lower layer's soil body take down top stationary barrier after setting, and the upper layer soil body are configured, to simulate stratum under different operating modes Situation.
Further, the water tank chamber outer wall is marked with scale, and the water tank room connects water pump by water supply line and is Its private water supply, water tank room bottom are equipped with discharge outlet, and discharge outlet is connected with drainpipe.
Further, the inverted well and dewatering well can be worked independently or be worked together, and inverted well and dewatering well Specific works quantity determined according to operating mode.
Further, include multilayer pumping waterpipe in the inverted well and dewatering well, it is concurrently or separately right to carry out Phreatic aquifer or artesian aquifer carry out pumping water.
Further, the pore water osmolarity sensor is for measuring inside soil body osmotic pressure, soil pressure sensor For measurement stratum soil pressure, displacement sensor is for measuring surface displacement, and limnograph is for observing level of ground water, with reality It is now comprehensive to the soil body, be monitored at many levels.
Further, the pore water osmolarity sensor and soil pressure sensor are arranged in inside different soil, position Displacement sensor is arranged in surface of stratum;It is connected with information analysis system.
Further, the hydraulic pressure gauge is inserted into soil sample, is also connected with information analysis system.
Further, the information analysis system includes computer and display, and the computer oozes pore water Saturating pressure sensor, soil pressure sensor, displacement sensor and the signal of hydraulic pressure gauge acquisition carry out analyzing processing, and pass through institute To treated, information is shown the display stated, and forms the data analysis for completing package unit and feedback processing.
Further, the model cylinder side is equipped with observation platform, is observed for a people.
Monitoring seepage action of ground water, sedimentation, operating method, including the following steps are realized using above-mentioned apparatus:
1) it needs to design the size of rectangle soil sample case and the quantity of inverted well and dewatering well according to experiment, to porous disc It is assembled with the cup dolly of circular mode type tube, and pastes fine and closely woven gauze in porous disc;
2) it is needed that soil layer is arranged according to specific operating mode, lower layer's soil body thereon is isolated using stationary barrier, subsoil Body takes down top stationary barrier after setting, and carries out the setting of the upper layer soil body, and installing pore water in soil layer setting up procedure oozes Saturating pressure sensor and soil pressure sensor, last cloth displacement sensor and limnograph;And pore water osmotic pressure is sensed Device, soil pressure sensor, displacement sensor and limnograph are connected with information analysis system;
3) inverted well, dewatering well are installed, water tank room, inverted well and dewatering well are connected with water supply installation;
4) flowmeter is adjusted, the water level of control water tank room sets the boundary condition determined by operating mode;
5) height and pumping water of inverted well and dewatering well are adjusted;
6) at regular intervals, computer records the variation of each item data and forms chart, analyzes test result.
Further, it according to different operating modes can be directed to strata condition, boundary condition is specifically arranged, repeats (1)- (3), flowmeter, well situation are controlled, is repeated (4)-(5), the Different Results obtained according to step (6) carry out Practical Project Guidance.
The present invention have studied it is a kind of for monitor seepage action of ground water, sedimentation perfusion one new indoor experimental rig with behaviour Make method, solve live Returning test it is of long duration, costly the shortcomings of, truer simulation operating mode, more practicability, It is comprehensive.Compared with forefathers study, apparatus of the present invention have the following advantages:
1) allpurpose model cartridge system can be observed intuitively, and the protrusion indentation in porous disc designs so that simulation is irregular Soil layer is more convenient, easy to assembly, repeats and utilizes;
2) device realizes control and adjustment level of ground water and recharge pressure, more truly mould by changing cistern water level Quasi- operating mode, adaptive is strong, easy to operate;
3) design of more Jing Chouzhushui one can be achieved to work independently or work together, and progress concurrently or separately contains to multiple Water layer carries out pumping water, can be adjusted according to specific operating mode real-time on-site;
4) device carries out data acquisition using multiple sensors and measuring instrument, accomplishes comprehensive, multi-level monitoring in real time, and It can accomplish data analysis and feedback processing in time;
Description of the drawings
Fig. 1 is experimental rig schematic diagram of the present invention;
Fig. 2 is that integrated novel test device two dimension front view is perfused in indoor simulation;
Fig. 3 is circular cylinder body pedestal front view;
Fig. 4 is circular cylinder body base vertical view;
Fig. 5 is porous disc side view;
Fig. 6 is multifunctional water well profile figure;
Fig. 7 (a), Fig. 7 (b), Fig. 7 (c) are that multi-functional well is layered pumping water schematic diagram.
Wherein, 1, visualization tempered glass circular mode type tube;2, porous disc;3, become level water tank room;4, the soil body;5, it drains Pipeline;6, inverted well;7, dewatering well;8, flow control valve;9, pore water osmolarity sensor;10, soil pressure sensor;11、 Limnograph;12, displacement sensor;13, computer;14, display;15, transmission line;16, water supply installation;17, measuring platform.
Specific implementation mode
Below in conjunction with the accompanying drawings, specific implementation of the patent mode is further described.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of indoor simulation perfusion one for monitoring seepage action of ground water, sedimentation Body novel test device, including visualization circular model cartridge system 1, controllable boundary conditional systems, more well pumping water systems, data Integrated Measurement System and information analysis system.
Specifically, nested mating multilayer porous disc 2 on visualization tempered glass circular mode type tube 1, places the soil body 4, more Layer porous disc 2 visualization tempered glass circular mode type tube 1 inside formed a rectangle soil sample case, corresponding multiple sensors and Measuring instrument is placed in rectangle soil sample case;
Controllable boundary conditional systems are made of change level water tank room 3, drainage pipeline 5, by inverted well 6 and dewatering well 7 Flow control valve control become the water level height of level water tank room 3;It is formed between the porous disc and circular mode type tube and becomes water Position water tank room 3;
More well pumping water systems include inverted well 6, dewatering well 7, flow control valve 8, multigroup water-supply-pipe and water supply installation 16 compositions, inverted well 6, dewatering well 7 be placed in circular mode type tube 1, regulated and controled by flow control valve 8, multigroup water-supply-pipe with And water supply installation is inverted well 6, dewatering well 7 provides power;
Aggregation of data measuring system includes multiple sensors and measuring instrument, and pore water osmolarity sensor 9 is responsible for osmotic pressure Monitoring, soil pressure sensor 10 is responsible for the monitoring of soil pressure, and limnograph 11 is responsible for the monitoring of soil body water level, displacement sensing Device 12 is responsible for the monitoring of surface displacement sedimentation;Information analysis system includes computer 13, display 14, transmission line 15, into line number According to analysis and feedback processing.
The multifunctional visible model cartridge system is a round tempering model cylinder 1 that tempered glass is housed, model Tube length diameter 200cm, high 100cm.
The cup dolly upper surface of the model cylinder 1 is in regular concavo-convex shape, is used for the multilayer porous disc 2 on nested top, The fine and closely woven gauze of patch, prevents grogs from entering water tank room in porous disc.Inside forms a rectangle soil sample case, and soil sample case inside soil body is put Set multiple sensors and measuring instrument.
2 outside of porous disc has readable scale, inside to have the indentation of protrusion, paste fine and closely woven gauze in porous disc, prevent Grogs enters water tank room.When setting gradually irregular soil layer, lower layer's soil body thereon is isolated, lower layer's soil body will after setting Top stationary barrier is taken down, and the upper layer soil body is configured, to simulate strata condition under different operating modes.
The controllable boundary conditional systems are made of the water tank room 3 of soil sample case surrounding, by connecing the external dress that supplies water in succession It sets, control disengaging water, water tank room bottom is equipped with discharge outlet, and discharge outlet is connected with drainpipe 5.
More well pumping water systems are made of water pump, water-supply-pipe, inverted well 6 and dewatering well 7, inverted well 6 and precipitation Include multilayer pumping waterpipe in well 7, can carry out concurrently or separately carrying out pumping water to phreatic aquifer or artesian aquifer, it is real Two kinds of existing recharge, precipitation wells are worked independently or are worked together, and well specific works quantity is determined according to operating mode, specific as schemed 6, shown in Fig. 7 (a), Fig. 7 (b), Fig. 7 (c).
Aggregation of data measuring system is acquired data using multiple sensors and measuring instrument, as flow control valve is used for Pumping water is controlled, pore water osmolarity sensor 9 is for measuring inside soil body osmotic pressure, and soil pressure sensor 10 is for measuring Stratum soil pressure, displacement sensor 12 is for measuring surface displacement, and limnograph 11 is for observing level of ground water, with realization pair The soil body is comprehensive, is monitored at many levels.
Pore water osmolarity sensor 9 and soil pressure sensor 10 are arranged in inside different soil, 10 cloth of displacement sensor It sets in surface of stratum, is connected with information analysis system.
Information analysis system is made of computer 13, display 14, transmission line 15, and the computer is to hole water penetration Pressure sensor, soil pressure sensor, displacement sensor and the signal of hydraulic pressure gauge acquisition carry out analyzing processing, and by described Display to treated, information is shown, formed complete package unit data analysis and feedback processing.
The model cylinder side is equipped with observation platform 17, is observed for a people.
Multifunctional visible model cartridge system:Main body is visualization circular mode type tube, and material is tempered glass, circular cylinder body Base upper surface it is concave-convex, nested mating multilayer porous disc, inside form a rectangle soil sample case thereon, and having outside porous disc can Scale is read, there is the indentation of protrusion in porous disc, facilitates the irregular soil layer of simulation, corresponding multiple sensors and measuring instrument place it In;(2) controllable boundary conditional systems:The system is the change level water tank room of surrounding, and water tank room indicates scale, is supplied water by outside Device controls water level height, simulates real working condition;(3) more well pumping water systems:The system is by water pump, miniature inverted well, miniature Dewatering well, multigroup water-supply-pipe composition, include multilayer pumping waterpipe in well, can carry out concurrently or separately to phreatic aquifer or Artesian aquifer carries out pumping water, is responsible for simulation pumping water environment;(4) aggregation of data measuring system:Experiment uses a variety of sensings Device and measuring instrument carry out data acquisition, including flow control valve, pore water osmolarity sensor, soil pressure sensor, displacement biography Sensor and limnograph, sensor and measuring instrument are connected with computer, comprehensive, be monitored at many levels to the soil body;(5) Information analysis system:The system is made of computer, display, transmission line, carries out data analysis and feedback processing.
The multifunctional visible model cartridge system is a round tempering model cylinder that tempered glass is housed, soil sample case Long diameter 200cm, high 100cm.
Concrete operation method includes the following steps:
(1) according to experiment it needs to be determined that 1 size of model cylinder and inverted well 6,7 quantity of dewatering well, to porous disc 2 and circular base Seat is assembled, and the fine and closely woven gauze of patch in porous disc 2, a certain number of inverted wells 6, dewatering well 7 is placed, and in well Upper placement flow control valve 8;
(2) it is needed that soil layer is arranged according to specific operating mode, lower layer's soil body thereon is isolated using stationary barrier, subsoil Body takes down top stationary barrier after setting, and carries out the setting of the upper layer soil body, and installing pore water in soil layer setting up procedure oozes Saturating pressure sensor 9 and soil pressure sensor 10, last cloth displacement sensor 12;
(3) level water tank room 3 will be become, water storage tank 4, drainage pipeline 5, flow control valve 8 connect, will then calculate Each component such as machine, display, transmission line and sensor wire connect;
(4) flow control valve 8 is adjusted, the water level of control water tank room sets the boundary condition determined by operating mode;
(5) height and pumping water of inverted well 6 and dewatering well 7 are adjusted;
(6) at regular intervals, measuring platform 17 can be climbed up in experimentation to be observed, computer records each item data Change and formed chart, analyzes test result.
According to different operating modes can be directed to strata condition, boundary condition is specifically arranged, repeats (1)-(3), control flow Meter, well situation repeat (4)-(5), and the Different Results obtained according to step (6) instruct Practical Project.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (7)

1. the perfusion one laboratory testing rig of a kind of monitoring seepage action of ground water, sedimentation, which is characterized in that visualized including one Circular mode type tube is equipped with multiple porous discs in the visualization circular mode type tube interpolation, and forms one between multiple porous discs A rectangle soil sample case, the rectangle soil sample case are inserted in the soil sample and are connected with water supply installation for containing soil sample Include multilayer pumping waterpipe in inverted well and dewatering well, inverted well and dewatering well, can carry out concurrently or separately aqueous to diving under water Layer or artesian aquifer carry out pumping water;Realize that two kinds of recharge, precipitation wells are worked independently or worked together, well specific works Quantity is determined according to operating mode;Be embedded in the soil sample pore water osmolarity sensor being connected with information analysis system, Soil pressure sensor, displacement sensor and limnograph;It is formed between the porous disc and circular mode type tube and becomes water level water Chamber, the change level water tank room control the height of its water level by connecting water supply installation, simulate real working condition;
When setting gradually irregular soil layer in the rectangle soil sample case, lower layer's soil body thereon is isolated, lower layer's soil body Top stationary barrier is taken down after setting, is configured the upper layer soil body, to simulate strata condition under different operating modes;
The cup dolly upper surface of the model cylinder is in regular concavo-convex shape, the multilayer porous disc for nested top;Described The fine and closely woven gauze of patch in porous disc, to prevent grogs from entering water tank room.
2. the perfusion one laboratory testing rig of monitoring seepage action of ground water as described in claim 1, sedimentation, which is characterized in that There are readable scale, inside to have the indentation of protrusion on the outside of the multilayer porous disc.
3. the perfusion one laboratory testing rig of monitoring seepage action of ground water as described in claim 1, sedimentation, which is characterized in that The water tank chamber outer wall is marked with scale, and it is its private water supply, water tank room that the water tank room connects water pump by water supply line Bottom is equipped with discharge outlet, and discharge outlet is connected with drainpipe.
4. the perfusion one laboratory testing rig of monitoring seepage action of ground water as described in claim 1, sedimentation, which is characterized in that The pore water osmolarity sensor is used for measurement stratum soil pressure for measuring inside soil body osmotic pressure, soil pressure sensor Power, displacement sensor are used to observe level of ground water for measuring surface displacement, limnograph, comprehensive to the soil body with realization, It is monitored at many levels.
5. the perfusion one laboratory testing rig of monitoring seepage action of ground water as described in claim 1, sedimentation, which is characterized in that The pore water osmolarity sensor and soil pressure sensor are arranged in inside different soil, and displacement sensor is arranged in stratum Surface;The limnograph is inserted into soil sample.
6. as described in claim 1 monitor seepage action of ground water, sedimentation perfusion one laboratory testing rig, which is characterized in that The information analysis system includes computer and display, and the computer is to hole water penetration pressure sensor, soil pressure The signal of sensor, displacement sensor and limnograph acquisition carries out analyzing processing, and by the display to processing Information afterwards is shown, the data analysis for completing package unit and feedback processing are formed.
7. the operating method of any device realization monitoring seepage action of ground water of application claim 1-6, sedimentation, feature exist In, including the following steps:
1)It needs to design the size of rectangle soil sample case and the quantity of inverted well and dewatering well according to experiment, to porous disc and circle The cup dolly of shape model cylinder is assembled, and fine and closely woven gauze is pasted in porous disc;
2)It is needed that soil layer is arranged according to specific operating mode, lower layer's soil body thereon is isolated using stationary barrier, lower layer's soil body is set It sets and afterwards takes down top stationary barrier, carry out the setting of the upper layer soil body, pore water osmotic pressure is installed in soil layer setting up procedure Sensor and soil pressure sensor, last cloth displacement sensor and limnograph;And by pore water osmolarity sensor, soil Pressure sensor, displacement sensor and limnograph are connected with information analysis system;
3)Inverted well, dewatering well are installed, water tank room, inverted well and dewatering well are connected with water supply installation;
4)Flowmeter is adjusted, the water level of control water tank room sets the boundary condition determined by operating mode;
5)Adjust the height and pumping water of inverted well and dewatering well;
6)At regular intervals, computer records the variation of each item data and forms chart, analyzes test result.
CN201610954302.1A 2016-11-03 2016-11-03 Monitor seepage action of ground water, sedimentation perfusion one laboratory testing rig and method CN106324226B (en)

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CN106847048B (en) * 2017-02-28 2019-11-22 济南轨道交通集团有限公司 Simulate the emulation Boundary Test system of artesian groundwater recharge
CN107271639B (en) * 2017-07-25 2020-01-17 中国科学院地质与地球物理研究所 Underground water simulation system and method
CN108205057B (en) * 2017-12-06 2020-08-11 湖南大学 Simulation test device for urban stratum collapse caused by water cut-off circulation path of underground engineering
CN108198498B (en) * 2017-12-28 2019-12-13 防灾科技学院 Simulation device and simulation method for underground water seepage of offshore shore zone under earthquake-sea tide action
CN108956414A (en) * 2018-04-25 2018-12-07 长安大学 A kind of sponge urban biology is detained facility model experimental rig and method
CN109709308B (en) * 2019-01-21 2021-01-08 南京大学 Water-mining type ground crack physical model test device and test method
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CN110146574A (en) * 2019-05-30 2019-08-20 中国环境科学研究院 Underground water field sampling by filtration and dynamic water flow index determining device and measuring method
CN110426504B (en) * 2019-07-30 2020-07-31 山东大学 Karst aquifer sand box test system and method based on tracing hydraulic chromatography inversion

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CN102635122A (en) * 2012-04-10 2012-08-15 上海广联建设发展有限公司 Dewatering-recharging integrated device and process for foundation pit engineering
CN102787611A (en) * 2012-08-10 2012-11-21 中国二冶集团有限公司 Precipitation method for excavation of foundation pit at collapsible loess region
CN103741671A (en) * 2014-01-22 2014-04-23 上海长凯岩土工程有限公司 Groundwater recharge system structure for foundation pit dewatering
CN204040012U (en) * 2014-08-18 2014-12-24 安徽水文地质工程地质公司南京分公司 A kind of water recharge system structure
CN105719553B (en) * 2016-03-25 2018-10-30 济南轨道交通集团有限公司 A kind of emulation test system and its construction method of groundwater recharge
CN206132761U (en) * 2016-11-03 2017-04-26 山东大学 Monitoring groundwater seepage flow, subside fill integrative indoor test device

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