CN107421874A - A kind of horizontal seepage flow test device and its application method - Google Patents

A kind of horizontal seepage flow test device and its application method Download PDF

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Publication number
CN107421874A
CN107421874A CN201710807447.3A CN201710807447A CN107421874A CN 107421874 A CN107421874 A CN 107421874A CN 201710807447 A CN201710807447 A CN 201710807447A CN 107421874 A CN107421874 A CN 107421874A
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China
Prior art keywords
water
stop sheet
seepage flow
generating means
hydroecium
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CN201710807447.3A
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Chinese (zh)
Inventor
董辉
赵帆
赵一帆
罗正东
蒋秀姿
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Xiangtan University
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Xiangtan University
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Priority to CN201710807447.3A priority Critical patent/CN107421874A/en
Publication of CN107421874A publication Critical patent/CN107421874A/en
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    • 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 horizontal seepage flow test device, the device include hydroecium, seepage flow generating means, bearing;Seepage flow generating means is arranged on the top of bearing;Hydroecium is arranged on the side of seepage flow generating means and bearing;Seepage flow generating means is body structure;Hydroecium is provided with connector close to the side of seepage flow generating means, and seepage flow generating means is provided with hydroecium connector close to one end of hydroecium, and the hydroecium connector of seepage flow generating means is connected and communicated with the connector of hydroecium;Seepage flow generating means according between being from the close-by examples to those far off sequentially provided with water storage apart from hydroecium, between water proof, build soil box and water leg.The device of the present invention, can effectively simulate the layer situation of the rock and soil media in nature, and can accurately measure the horizontal-hole blasting of rock and soil media, and device of the invention can use a variety of method testing level seepage flow.

Description

A kind of horizontal seepage flow test device and its application method
Technical field
The present invention relates to a kind of seepage flow test device and seepage tests method, and in particular to a kind of horizontal seepage flow test device And its application method, belong to Geotechnical Engineering testing equipment field.
Background technology
Seepage theory has extensively in many fields such as water conservancy, civil engineering, water supply and drainage, environmental protection, geology, oil, chemical industry General application.In hydraulic engineering, the most frequently used Seepage problems have:The seepage of hydraulic structure and steady on soil and pervious foundation Fixed, the design of the collection water buildingses such as well, collection gallery is calculated, and the side of reservoir and rivers and canals side bank is oozed etc..Have in hydraulic engineering Many aspects are related to seepage flow.Such as in the rock stratum being connected in the pervious foundation of hydraulic structure and with building or the soil body around Ooze and seepage flow, the seepage flow in dash earth dam, irrigate and draw water or caused seepage flow etc. in the earth formation during construction drainage.Mainly study Seepage problems are:In the flow domainHeadOr the distribution of level of ground water, the determination of seepage discharge, seepage effect are in basement bottom of the building On power, percolation flow velocity distribution and its caused soil structures deformation etc..
Among Geotechnical Engineering field, the either prevention and control of underground engineering construction or geological disaster, infiltration coefficient All it is an extremely important rock soil medium characteristic present parameter.The generation overwhelming majority of landslide disaster and rainfall in geological disaster It is directly or indirectly related, so in order to carry out the prevention and control of landslide disaster, the research to gliding mass rock soil medium percolation law It is imperative and must go deep into.However, current most of research work is only deployed to the vertical seepage flow of rock soil medium, to rock The research of the horizontal percolation law of soil-structure interactions is urgently goed deep into.The incompact-deposit bodies landslide gliding mass material that occurrence frequency is higher in landslide Lower section is often basement rock, after rainfall Infiltration to basement rock position will stop infiltrating and it is horizontal also continuing to infiltrating, it is numerous Researcher ignores the horizontal seepage flow of moisture to influence caused by landslide.
Furthermore among the model tests such as landslide, according to similar 3rd theorem in the theory of similarity, the list of two similar phenomenas Value amount must be similar, and this is just similar to side the boundary condition of seepage flow to propose requirement.So before model test is carried out, ground Determination of the measurement of the horizontal osmotic coefficient of medium to the boundary condition of seepage flow is particularly significant.
Make a general survey of current horizontal seepage flow test device, all in the presence of it is more or less the problem of.Soil body horizontal osmotic coefficient is surveyed Amount instrument discloses a kind of rock soil medium horizontal-hole blasting measuring instrument, and (Gu Honghai, Chen Qun soil body horizontal osmotic coefficients measure Instrument:CN, CN 102033034 A [P] .2011.), it can measure sample horizontal-hole blasting and impervious gradient, but the instrument Device cost of manufacture is higher, and inconvenience observation wetting front changes with time, and the measuring method of infiltration coefficient is single, it is impossible to formation pair Than.《The anisotropy measurement device and measuring method of a kind of unsaturation soil body hydraulic characteristic(s)》Provide one kind and pass through method of evaporating The method for determining soil unsaturation soil body hydraulic characteristic parameter (Chen Rui, Liu Jian, Wu Hongwei, waits a kind of unsaturation soil body waterpower of special The anisotropy measurement device and measuring method of property, Anisotropy measurement apparatus and method for measuring non-saturated soil hydraulic properties:CN,CN 103822845A[P] .2014.), but it can not measure rock soil medium saturated flow characteristic parameter.《Journal of Arid Land》Carried in article A kind of horizontal seepage flow test device (Hu S, Zhu H, Chen Y.One-dimensional horizontal are supplied infiltration experiment for determining permeability coefficient of loamy sand[J].Journal of Arid Land,2017,9(1):27-37.), but its horizontal columns is cylinder, and soil compaction is still For axial compaction, the still vertical infiltration coefficient of the soil body actually measured, and this must designed for the horizontal seepage tests of coarse-grained soil Horizontal column section must be expanded, it is possible that the situation that wetting front is unstable.
The content of the invention
Based on considerations above, in order to analyze the horizontal seepage flow characteristics of rock soil medium comprehensively, the shortcomings that making up existing experimental rig, The present invention proposes a kind of horizontal seepage flow test device and its application method, can effectively simulate rock and soil media in nature Layer situation, and the infiltration coefficient that can accurately measure is the horizontal-hole blasting of rock and soil media, it is of the invention Device can use a variety of method testing level seepage flow.
According to the first embodiment provided by the invention, there is provided a kind of horizontal seepage flow test device:
A kind of horizontal seepage flow test device, the device include hydroecium, seepage flow generating means, bearing.Seepage flow generating means is set Put in the top of bearing.Hydroecium is arranged on the side of seepage flow generating means and bearing.Seepage flow generating means is body structure.Hydroecium Connector is provided with close to the side of seepage flow generating means, seepage flow generating means is provided with hydroecium connector close to one end of hydroecium, oozed The hydroecium connector of flow generating apparatus is connected and communicated with the connector of hydroecium.Seepage flow generating means according to apart from hydroecium by near and It is remote be sequentially provided between water storage, between water proof, build soil box and water leg.
In the present invention, the hydroecium is body structure, preferably rectangular parallelepiped structure.
In the present invention, the top of the hydroecium is provided with hydroecium water inlet flow valve.The side bottom of hydroecium is provided with hydroecium Scupper valve.The side of hydroecium and it is provided with water level regulation valve positioned at the top of seepage flow generating means horizontal level.
In the present invention, seepage flow generating means is body structure.One end of seepage flow generating means is hatch frame and and water The connector of room is connected and communicated.Seepage flow generating means also includes the first cover plate, the first water-stop sheet, the second water-stop sheet, more than first Orifice plate, the second porous plate.The front end at the top of seepage flow generating means is fixed with the first cover plate, the first cover plate be provided with first every Water plate socket and the second water-stop sheet socket.First water-stop sheet socket is located at the centre of the first cover plate, and the second water-stop sheet socket is located at The posterior edges of first cover plate.The bottom of seepage flow generating means and it is provided with the positioned at the first water-stop sheet socket location directly below One water-stop sheet groove.The bottom of seepage flow generating means and it is provided with the second water proof positioned at the second water-stop sheet socket location directly below Plate groove.The first porous plate slot and the second porous plate slot are equipped with the inside both sides side wall of seepage flow generating means.First Water-stop sheet is arranged between the first water-stop sheet socket and the first water-stop sheet groove.Second water-stop sheet is arranged on the second water-stop sheet socket And second between water-stop sheet groove.First porous plate is arranged between the first porous plate slot in internal both sides side wall.Second Porous plate is arranged between the second porous plate slot in internal both sides side wall.Second water-stop sheet and the first porous plate are closely set Put.The both sides side wall of hydroecium connector, the first water-stop sheet and seepage flow generating means is formed between water storage.First water-stop sheet, second every The both sides side wall of water plate and seepage flow generating means is formed between water proof.First porous plate, the second porous plate and seepage flow generating means Both sides side wall forms and builds soil box.The both sides side wall of second porous plate, the end side plate of seepage flow generating means and seepage flow generating means Form water leg.The top for building soil box is provided with the second cover plate.
In the present invention, it is provided with draining valve between water proof below the bottom between water proof or sidepiece.First water-stop sheet and/or second The top of water-stop sheet is provided with handle.
In the present invention, it is provided with seepage flow generating means discharge outlet below the bottom of water leg or sidepiece.
Preferably, the front of the first water-stop sheet is provided with the first water-stop sheet water-proof strip.The side of first water-stop sheet is (after or Face) it is provided with the first water-stop sheet fixed groove.
Preferably, the first water-stop sheet fixed groove is arranged on the top of the first water-stop sheet water-proof strip.
Preferably, the front of the second water-stop sheet is provided with the second water-stop sheet water-proof strip.The side of second water-stop sheet is (after or Face) it is provided with the second water-stop sheet fixed groove.
Preferably, the second water-stop sheet fixed groove is arranged on the top of the second water-stop sheet water-proof strip.
Preferably, the side of hydroecium is provided with 1-30 water level regulation valve, 2-20 level control valve is preferably provided with Door, more preferably provided with 3-10 water level regulation valve.
Preferably, the spacing between adjacent water level regulation valve is identical.
Preferably, the second cover plate is provided with instrument connection.
Preferably, the second cover plate is provided with 2-20 instrument connection, 3-10 instrument connection is preferably provided with, more preferably provided with 4- 8 instrument connections.
Preferably, the hydroecium connector of seepage flow generating means and the connector of hydroecium pass through waterproof sealing plate and connection spiral shell Bolt closely connects.
Preferably, the height of bearing is 0.5-2 times of seepage flow generating means height, preferably 0.6-1.5 times, more preferably For 0.7-1.2 times.
In the present invention, the first porous plate and the second porous plate are provided with permeable aperture.
Preferably, the hydroecium and seepage flow generating means are transparent material, preferably lucite or acrylic material.
According to second of embodiment provided by the invention, there is provided a kind of method of testing level seepage flow:
A kind of method of testing level seepage flow, this method comprise the following steps:
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) in the first water-stop sheet of seepage flow generating means insertion, the second water-stop sheet, the first porous plate, the second porous plate, and The first water-stop sheet water-proof strip is posted on first water-stop sheet, the second water-stop sheet water-proof strip is posted on the second water-stop sheet, is sealed respectively First porous plate, the second porous plate and seepage flow generating means contact surface, respectively in the first porous plate, the second porous plate close to building The side of soil box arranges filter cloth, fills layering baseline the outside for building soil box is drawn;
3) material is inserted according to every layer of material requested quality and builds soil box, then placement in layers is compacted, and is scraped between layers Hair is equally spaced matric suction or pore water pressure sensor in filling material, passed after filling to ensure to be in close contact Sensor wire is drawn by the instrument connection on the second cover plate, and covers the second cover plate, is sealed;
4) hydroecium water inlet flow valve is opened, to hydroecium plus water, residing for seepage flow generating means bottom outer surface to be added water to During height, draining valve between water proof is opened, drains leak, guarantee is built soil box and dried before on-test;Then hydroecium water inlet is adjusted Mouthful flow valve, adjust toward in hydroecium and add water speed rate to setting water level, and it is constant with guaranteed water level to adjust water level regulation valve;
5) the first water-stop sheet is opened so that the first water-stop sheet water-proof strip is close to seepage flow generating means top inner wall, in outside The first water-stop sheet fixed groove is inserted with clamp to fix, is sealed, and closes draining valve between water proof, and regulation water supply rate makes water storage Between, water is full of between water proof, while adjust water level regulation valve maintain stable level;
6) the second water-stop sheet is opened so that the second water-stop sheet water-proof strip is close to seepage flow generating means top inner wall, in outside The second water-stop sheet fixed groove is inserted with clamp to fix, is sealed, and seepage tests start, and by adjusting water level regulation valve, maintain Stable level;
7) when seepage stability, matric suction or pore water pressure sensor record data are passed through.
According to the third embodiment provided by the invention, there is provided a kind of method of testing level seepage flow:
A kind of method of testing level seepage flow, this method comprise the following steps:
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) in the first water-stop sheet of seepage flow generating means insertion, the second water-stop sheet, the first porous plate, the second porous plate, and The first water-stop sheet water-proof strip is posted on first water-stop sheet, the second water-stop sheet water-proof strip is posted on the second water-stop sheet, is sealed respectively First porous plate, the second porous plate and seepage flow generating means contact surface, respectively in the first porous plate, the second porous plate close to building The side of soil box arranges filter cloth, fills layering baseline the outside for building soil box is drawn;
3) material is inserted according to every layer of material requested quality and builds soil box, then placement in layers is compacted, and is scraped between layers Hair inserts moisture probe to ensure to be in close contact, from the instrument connection on the second cover plate, and covers the second cover plate, seals;
4) hydroecium water inlet flow valve is opened, to hydroecium plus water, residing for seepage flow generating means bottom outer surface to be added water to During height, draining valve between water proof is opened, drains leak, guarantee is built soil box and dried before on-test;Then hydroecium water inlet is adjusted Mouthful flow valve, adjust toward in hydroecium and add water speed rate to setting water level, and it is constant with guaranteed water level to adjust water level regulation valve;
5) the first water-stop sheet is opened so that the first water-stop sheet water-proof strip is close to seepage flow generating means top inner wall, in outside The first water-stop sheet fixed groove is inserted with clamp to fix, is sealed, and closes draining valve between water proof, and regulation water supply rate makes water storage Between, water is full of between water proof, while adjust water level regulation valve maintain stable level;
6) the second water-stop sheet is opened so that the second water-stop sheet water-proof strip is close to seepage flow generating means top inner wall, in outside The second water-stop sheet fixed groove is inserted with clamp to fix, is sealed, and seepage tests start, and by adjusting water level regulation valve, maintain Stable level;
7) when seepage stability, the seepage discharge at record different time interval, i.e. entering by hydroecium water inlet flow valve Water and the difference of water level regulation valve water yield obtain seepage discharge;And also need to obtain migration and variation of the wetting front with the time Situation, i.e., measured by moisture probe, hydroecium water level is changed by seepage discharge, carries out aforesaid operations, record data again.
According to the 4th kind of embodiment provided by the invention, there is provided a kind of method of testing level seepage flow:
A kind of method of testing level seepage flow, this method comprise the following steps:
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) in the first water-stop sheet of seepage flow generating means insertion, the second water-stop sheet, the first porous plate, the second porous plate, and The first water-stop sheet water-proof strip is posted on first water-stop sheet, the second water-stop sheet water-proof strip is posted on the second water-stop sheet, is sealed respectively First porous plate, the second porous plate and seepage flow generating means contact surface, respectively in the first porous plate, the second porous plate close to building The side of soil box arranges filter cloth, fills layering baseline the outside for building soil box is drawn;
3) material is inserted according to every layer of material requested quality and builds soil box, then placement in layers is compacted, and is scraped between layers Hair covers the second cover plate, sealed to ensure to be in close contact;Water guide glass-tube is inserted from the instrument connection on the second cover plate;
4) hydroecium water inlet flow valve is opened, to hydroecium plus water, residing for seepage flow generating means bottom outer surface to be added water to During height, draining valve between water proof is opened, drains leak, guarantee is built soil box and dried before on-test;Then hydroecium water inlet is adjusted Mouthful flow valve, adjust toward in hydroecium and add water speed rate to setting water level, and it is constant with guaranteed water level to adjust water level regulation valve;
5) the first water-stop sheet is opened so that the first water-stop sheet water-proof strip is close to seepage flow generating means top inner wall, in outside The first water-stop sheet fixed groove is inserted with clamp to fix, is sealed, and closes draining valve between water proof, and regulation water supply rate makes water storage Between, water is full of between water proof, while adjust water level regulation valve maintain stable level;
6) the second water-stop sheet is opened so that the second water-stop sheet water-proof strip is close to seepage flow generating means top inner wall, in outside The second water-stop sheet fixed groove is inserted with clamp to fix, is sealed, and seepage tests start, and by adjusting water level regulation valve, maintain Stable level;
7) after seepage stability, until after rock soil medium moistens saturation completely, head value stabilization in water guide glass-tube it Discharge water in the head value and seepage flow generating means discharge outlet unit interval of each water guide glass-tube is read afterwards.
In the present invention, the seepage flow generating means refers to seepage flow in one end close to hydroecium provided with hydroecium connector Device is in the whole cross section opening close to one end of hydroecium, namely one end of seepage flow generating means is hatch frame, and the hydroecium connects Interface is the water inlet of seepage flow generating means.Hydroecium is being provided with connector, the connection close to the side of seepage flow generating means The size of mouth and the external dimensions sizableness of the hydroecium connector of seepage flow generating means.The side bottom of hydroecium is arranged provided with hydroecium Mouth of a river valve, the side bottom of the hydroecium refer in hydroecium side wall and close to the position of hydroecium bottom.
In the present invention, the front end of seepage flow generating means refers to that seepage flow generating means close to one end of hydroecium, accordingly, oozes The end (or rear end) of flow generating apparatus refers to away from one end of hydroecium.Thus, the front end at the top of the seepage flow generating means The first cover plate is fixed with, that is, refers to seepage flow generating means and is being fixed with the first cover plate at the top of hydroecium one end.The seepage flow The end side plate of generating means refers to seepage flow generating means and is arranged on the side plate of the one end side away from hydroecium, namely is arranged on and oozes The side plate of the flow generating apparatus side relative with hydroecium connector.
In the present invention, seepage flow generating means according between being from the close-by examples to those far off sequentially provided with water storage apart from hydroecium, between water proof, build soil Groove and water leg.And between the both sides side wall composition water storage of hydroecium connector, the first water-stop sheet and seepage flow generating means;First water proof The both sides side wall of plate, the second water-stop sheet and seepage flow generating means is formed between water proof;First porous plate, the second porous plate and seepage flow hair The both sides side wall of generating apparatus, which is formed, builds soil box;Second porous plate, the end side plate of seepage flow generating means and seepage flow generating means Both sides side wall forms water leg.Thus, the position of the first water-stop sheet, the second water-stop sheet, the first porous plate and the second porous plate is pressed The distance of range hydroecium is from the close-by examples to those far off set, wherein the second water-stop sheet and the first porous plate are closely set (or gapless setting). First porous plate and the second porous plate are provided with multiple permeable apertures, and permeable aperture is in the first porous plate and/or more than second On orifice plate equidistantly or not spaced set.
In addition, the front of the first water-stop sheet and/or the second water-stop sheet is provided with water-proof strip, the first water-stop sheet and/or second every The side (or below) of water plate is provided with water-stop sheet fixed groove, and the front of first water-stop sheet or the second water-stop sheet refers to first One side in four sides of water-stop sheet or the second water-stop sheet in two larger sides of area close to hydroecium connector, described first The side of water-stop sheet or the second water-stop sheet refers to less two sides of area in four sides of the first water-stop sheet or the second water-stop sheet Face (or one of side).Refer to the first water-stop sheet or the second water-stop sheet behind first water-stop sheet or the second water-stop sheet That face relative with front in four sides.Preferably, water-stop sheet fixed groove is arranged on the top of water-stop sheet water-proof strip, Such as the thickness that the vertical spacing of water-stop sheet fixed groove and water-stop sheet water-proof strip is a cover plate of seepage flow generating means first.
Typically, the hydroecium connector of seepage flow generating means and the connector of hydroecium are tight by waterproof sealing plate and connecting bolt Close connection.The waterproof sealing plate is arranged on the surrounding of connector, and waterproof sealing plate could be arranged to the various shapes such as strip, It is provided with multiple bolt connecting holes on waterproof sealing plate simultaneously, and then by connecting bolt by the hydroecium connector of seepage flow generating means Closely it is connected with the connector of hydroecium.
In the present invention, the height of bearing is 0.5-2 times of seepage flow generating means height (i.e. vertical rib length), is preferably 0.6-1.5 times, more preferably 0.7-1.2 times.The height of the bearing is that plane where the bottom surface of seepage flow generating means is relative The vertical range of plane where hydroecium bottom surface.Bearing is set into a proper height so that the bottom surface institute of seepage flow generating means For plane not in approximately the same plane, such a design, which can be utilized in hydroecium, is located at seepage flow where plane and hydroecium bottom surface The backflow of plane lower section current where device bottom surface, make the hydroecium connector i.e. water inlet section water velocity of seepage flow generating means Faster tend towards stability, so as to effectively improve the water inlet section water velocity stability of seepage flow generating means, and start in seepage flow The stable migration of wetting front in rock soil medium is ensured afterwards.Typically, seepage flow occurs when the size of bearing is to support seepage flow generating means The periphery of device bottom surface reserves more than needed be advisable.
The exterior space size of seepage flow generating means determines according to the interior space dimension for building soil box, and builds the inside of soil box Bulk determines according to rock soil medium grain size characteristic.
When rock soil medium is the fine grained soil that maximum particle diameter particle is not more than 5mm, the cross section side of soil box inner space is built Long (cross section is the face vertical with seepage direction) is arranged to 50mm~150mm, builds soil box inner space length (seepage direction) It is arranged to more than 1 times of the section length of side.When rock soil medium is the coarse-grained soil that maximum particle diameter particle is more than 5mm, build inside soil box The cross section length of side in space is arranged to more than 6 times of maximum coarse-grained soil particle diameter, builds soil box inner space length and is arranged to section side Long more than 2~3 times.
It is in addition, a length of shorter for above-mentioned coarse-grained soil and fine grained soil, seepage flow generating means inner space cross section longer sides 1~1.5 times of the length of side, the spacing between the hydroecium connector and the first water-stop sheet of seepage flow generating means are to build soil box inner space 0.1~0.3 times of length, the spacing between the first water-stop sheet and the second water-stop sheet be build soil box inner space length 0.1~ 0.5 times, the spacing between the second porous plate and the end side plate of seepage flow generating means be build soil box inner space length 0.1~ 0.5 times.
In general, the exterior space size of seepage flow generating means are:Length is 30-800mm, preferably 50-600mm, more Preferably 60-500mm;Width is 20-300mm, preferably 30-200mm, more preferably 50-150mm;Highly it is 30-500mm, Preferably 40-400mm, more preferably 50-300mm.
Compared with prior art, the invention has the advantages that:
1st, seepage flow generating means bottom surface and hydroecium bottom surface of the present invention be in approximately the same plane, between two bottom surfaces it is vertical away from From being preferably arranged to 0.5-2 times of seepage flow generating means height (i.e. vertical rib length), such a design can utilize being located in hydroecium The backflow of plane lower section current where seepage flow generating means bottom surface, make the hydroecium connector i.e. water inlet section of seepage flow generating means Water velocity faster tends towards stability, so as to effectively improve the water inlet section water velocity stability of seepage flow generating means, and Seepage flow ensures the stable migration of wetting front in rock soil medium after starting;
2nd, seepage flow generating means of the present invention is body structure, its upper end open construction, is advantageous to the layering of rock and soil media Compacting, can effectively simulate the layer situation of the rock and soil media in nature, and the infiltration coefficient measured is that ground is situated between The horizontal-hole blasting of plastid;
3rd, constructed before seepage flow generating means porous plate of the present invention using double-deck water-stop sheet, such a design can ensure seepage flow Rock soil medium is dried before generation, and seepage flow start after rock soil medium whole cross section substantially while contact current, guarantee test Accurately;
4th, the method that the horizontal seepage tests method of the present invention provides a variety of measurement rock soil medium infiltration coefficients, a variety of methods Measurement result can be contrasted.
Brief description of the drawings
Fig. 1 is a kind of front view of horizontal seepage flow test device of the present invention;
Fig. 2 is a kind of right view of horizontal seepage flow test device of the present invention;
Fig. 3 is the sectional view of A-A positions in Fig. 2;
Fig. 4 is a kind of three-dimensional structure diagram of horizontal seepage flow test device of the present invention;
Fig. 5 is the structural representation of hydroecium in apparatus of the present invention;
Fig. 6 is the structural representation of seepage flow generating means in apparatus of the present invention;
Fig. 7 is the top view of seepage flow generating means in apparatus of the present invention;
Fig. 8 is the sectional view of B-B positions in Fig. 7;
Fig. 9 is the structural representation of the first water-stop sheet in apparatus of the present invention;
Figure 10 is the structural representation of the second water-stop sheet in apparatus of the present invention;
Figure 11 is the structural representation of the second cover plate in apparatus of the present invention;
Figure 12 is the structural representation of hydroecium connector in apparatus of the present invention;
Figure 13 is the structural representation of the first porous plate in apparatus of the present invention;
Figure 14 is a kind of use state diagram of horizontal seepage flow test device of the present invention.
Reference:
1:Hydroecium;101:Connector;102:Hydroecium water inlet flow valve;103:Hydroecium scupper valve;104:Water level is adjusted Save valve;2:Seepage flow generating means;201:Hydroecium connector;202:Between water storage;203:Between water proof;20301:Draining between water proof Valve;204:Build soil box;20401:Second cover plate;20402:Instrument connection;205:Water leg;20501:Seepage flow generating means draining Mouthful;206:First cover plate;207:First water-stop sheet;20701:First water-stop sheet socket;20702:First water-stop sheet groove; 20703:First water-stop sheet water-proof strip;20704:First water-stop sheet fixed groove;208:Second water-stop sheet;20801:Second water proof Plate socket;20802:Second water-stop sheet groove;20803:Second water-stop sheet water-proof strip;20804:Second water-stop sheet fixed groove; 209:First porous plate;20901:First porous plate slot;210:Second porous plate;21001:Second porous plate slot;211: Handle;3:Bearing.
Embodiment
According to the first embodiment provided by the invention, there is provided a kind of horizontal seepage flow test device.
A kind of horizontal seepage flow test device, the device include hydroecium 1, seepage flow generating means 2, bearing 3.Seepage flow generating means 2 are arranged on the top of bearing 3.Hydroecium 1 is arranged on the side of seepage flow generating means 2 and bearing 3.Seepage flow generating means 2 is casing Structure.Hydroecium 1 is provided with connector 101 close to the side of seepage flow generating means 2, and seepage flow generating means 2 is set close to one end of hydroecium 1 There is hydroecium connector 201, the hydroecium connector 201 of seepage flow generating means 2 is connected and communicated with the connector 101 of hydroecium 1.Seepage flow Generating means 2 apart from hydroecium according to being from the close-by examples to those far off sequentially provided between water storage 203 between 202, water proof, build soil box 204 and water leg 205。
In the present invention, the hydroecium 1 is body structure, preferably rectangular parallelepiped structure.
In the present invention, the top of the hydroecium 1 is provided with hydroecium water inlet flow valve 102.The side bottom of hydroecium 1 is provided with Hydroecium scupper valve 103.The side of hydroecium 1 and it is provided with water level regulation positioned at the top of the horizontal level of seepage flow generating means 2 Valve 104.
In the present invention, seepage flow generating means 2 is body structure.One end of seepage flow generating means 2 be hatch frame and with The connector 101 of hydroecium 1 is connected and communicated.Seepage flow generating means 2 also includes the first cover plate 206, the first water-stop sheet 207, second Water-stop sheet 208, the first porous plate 209, the second porous plate 210.The front end at the top of seepage flow generating means 2 is fixed with the first lid Plate 206, the first cover plate 206 are provided with the first water-stop sheet socket 20701 and the second water-stop sheet socket 20801.First water-stop sheet is inserted Mouth 20701 is located at the centre of the first cover plate 206.Second water-stop sheet socket 20801 is located at the posterior edges of the first cover plate 206.Ooze The bottom of flow generating apparatus 2 and it is provided with the first water-stop sheet groove positioned at the location directly below of the first water-stop sheet socket 20701 20702.The bottom of seepage flow generating means 2 and it is provided with the second water proof positioned at the location directly below of the second water-stop sheet socket 20801 Plate groove 20802.It is porous that the first porous plate slot 20901 and second is equipped with the inside both sides side wall of seepage flow generating means 2 Plate slot 21001.First water-stop sheet 207 is arranged between the first water-stop sheet socket 20701 and the first water-stop sheet groove 20702. Second water-stop sheet 208 is arranged between the second water-stop sheet socket 20801 and the second water-stop sheet groove 20802.First porous plate 209 It is arranged between the first porous plate slot 20901 in internal both sides side wall.Second porous plate 210 is arranged on internal both sides side wall On the second porous plate slot 21001 between.Second water-stop sheet 208 and the first porous plate 209 are closely set.Hydroecium connector 201st, the both sides side wall of the first water-stop sheet 207 and seepage flow generating means 2 is formed 202 between water storage.First water-stop sheet 207, second every The both sides side wall of water plate 208 and seepage flow generating means 2 is formed 203 between water proof.First porous plate 209, the second porous plate 210 and ooze The both sides side wall of flow generating apparatus 2, which is formed, builds soil box 204.Second porous plate 210, seepage flow generating means 2 end side plate and ooze The both sides side wall of flow generating apparatus 2 forms water leg 205.The top for building soil box 204 is provided with the second cover plate 20401.
In the present invention, it is provided with draining valve 20301 between water proof below 203 bottom or sidepiece between water proof.First water-stop sheet 207 and/or second water-stop sheet 208 top be provided with handle 211.
In the present invention, it is provided with seepage flow generating means discharge outlet 20501 below the bottom of water leg 205 or sidepiece.
Preferably, the front of the first water-stop sheet 207 is provided with the first water-stop sheet water-proof strip 20703.First water-stop sheet 207 Side (or below) it is provided with the first water-stop sheet fixed groove 20704.
Preferably, the first water-stop sheet fixed groove 20704 is arranged on the top of the first water-stop sheet water-proof strip 20703.
Preferably, the front of the second water-stop sheet 208 is provided with the second water-stop sheet water-proof strip 20803.Second water-stop sheet 208 Side (or below) it is provided with the second water-stop sheet fixed groove 20804.
Preferably, the second water-stop sheet fixed groove 20804 is arranged on the top of the second water-stop sheet water-proof strip 20803.
Preferably, the side of hydroecium 1 is provided with 1-30 water level regulation valve 104, it is preferably provided with 2-20 water level and adjusts Valve 104 is saved, more preferably provided with 3-10 water level regulation valve 104.
Preferably, the spacing between adjacent water level regulation valve 104 is identical.
Preferably, the second cover plate 20401 is provided with instrument connection 20402.
Preferably, the second cover plate 20401 is provided with 2-20 instrument connection 20402,3-10 instrument connection is preferably provided with 20402, more preferably provided with 4-8 instrument connection 20402.
Preferably, the connector 101 of the hydroecium connector 201 of seepage flow generating means 2 and hydroecium 1 passes through waterproof sealing plate Closely connected with connecting bolt.
Preferably, the height of bearing 3 is 0.5-2 times of the height of seepage flow generating means 2, it is preferably 0.6-1.5 times, more excellent Elect 0.7-1.2 times as.
In the present invention, the first porous plate 209 and the second porous plate 210 are provided with permeable aperture.
Preferably, the hydroecium 1 and seepage flow generating means 2 are transparent material, preferably lucite or acrylic material Material.
Embodiment 1
As Figure 1-4, a kind of horizontal seepage flow test device, the device include hydroecium 1, seepage flow generating means 2, bearing 3. Seepage flow generating means 2 is arranged on the top of bearing 3.Hydroecium 1 is arranged on the side of seepage flow generating means 2 and bearing 3.Seepage flow occurs Device 2 is body structure.Hydroecium 1 is provided with connector 101 close to the side of seepage flow generating means 2, and seepage flow generating means 2 is close to water One end of room 1 is provided with hydroecium connector 201, and the hydroecium connector 201 of seepage flow generating means 2 is connected with the connector 101 of hydroecium 1 And communicate.Seepage flow generating means 2 apart from hydroecium according to being from the close-by examples to those far off sequentially provided between water storage 203 between 202, water proof, build soil box 204 With water leg 205.The hydroecium connector 201 of seepage flow generating means 2 passes through waterproof sealing plate and company with the connector 101 of hydroecium 1 Connecting bolt closely connects.
Embodiment 2
As shown in figures 5-13, embodiment 1 is repeated, simply the hydroecium 1 is rectangular parallelepiped structure.The top of the hydroecium 1 is set There is hydroecium water inlet flow valve 102.The side bottom of hydroecium 1 is provided with hydroecium scupper valve 103.The side and position of hydroecium 1 Water level regulation valve 104 is provided with the top of the horizontal level of seepage flow generating means 2.Seepage flow generating means 2 is body structure.Seepage flow One end of generating means 2 is hatch frame and is connected and communicates with the connector 101 of hydroecium 1.Seepage flow generating means 2 also includes the One cover plate 206, the first water-stop sheet 207, the second water-stop sheet 208, the first porous plate 209, the second porous plate 210.Seepage flow fills The front end for putting 2 top is fixed with the first cover plate 206, and the first cover plate 206 is provided with the first water-stop sheet socket 20701 and second Water-stop sheet socket 20801.First water-stop sheet socket 20701 is located at the centre of the first cover plate 206.Second water-stop sheet socket 20801 Positioned at the posterior edges of the first cover plate 206.The bottom of seepage flow generating means 2 and positioned at the first water-stop sheet socket 20701 just under The position of side is provided with the first water-stop sheet groove 20702.The bottom of seepage flow generating means 2 and it is located at the second water-stop sheet socket 20801 location directly below are provided with the second water-stop sheet groove 20802.It is equipped with the inside both sides side wall of seepage flow generating means 2 First porous plate slot 20901 and the second porous plate slot 21001.First water-stop sheet 207 is arranged on the first water-stop sheet socket 20701 and first between water-stop sheet groove 20702.Second water-stop sheet 208 be arranged on the second water-stop sheet socket 20801 and second every Between water plate groove 20802.First porous plate 209 is arranged between the first porous plate slot 20901 in internal both sides side wall. Second porous plate 210 is arranged between the second porous plate slot 21001 in internal both sides side wall.Second water-stop sheet 208 and One porous plate 209 is closely set.The both sides side wall of hydroecium connector 201, the first water-stop sheet 207 and seepage flow generating means 2 is formed 202 between water storage.The both sides side wall of first water-stop sheet 207, the second water-stop sheet 208 and seepage flow generating means 2 is formed 203 between water proof. The both sides side wall of first porous plate 209, the second porous plate 210 and seepage flow generating means 2, which is formed, builds soil box 204.Second porous plate 210th, the both sides side wall of the end side plate of seepage flow generating means 2 and seepage flow generating means 2 forms water leg 205.Build soil box 204 Top is provided with the second cover plate 20401.Between water proof draining valve 20301 between water proof is provided with below 203 bottom or sidepiece.First water proof The top of the water-stop sheet 208 of plate 207 and/or second is provided with handle 211.Seepage flow is provided with below the bottom of water leg 205 or sidepiece to send out Generating apparatus discharge outlet 20501.The front of first water-stop sheet 207 is provided with the first water-stop sheet water-proof strip 20703.First water-stop sheet 207 Side be provided with the first water-stop sheet fixed groove 20704.First water-stop sheet fixed groove 20704 is arranged on the first water-stop sheet waterproof The top of bar 20703.The front of second water-stop sheet 208 is provided with the second water-stop sheet water-proof strip 20803.The side of second water-stop sheet 208 Face is provided with the second water-stop sheet fixed groove 20804.Second water-stop sheet fixed groove 20804 is arranged on the second water-stop sheet water-proof strip 20803 top.The side of hydroecium 1 is provided with 6 water level regulation valves 104.Spacing between adjacent water level regulation valve 104 It is identical.Second cover plate 20401 is provided with 6 instrument connections 20402.The height of bearing 3 is 1.1 times of the height of seepage flow generating means 2. First porous plate 209 and the second porous plate 210 are provided with permeable aperture.Hydroecium 1 and seepage flow generating means 2 are lucite.
Embodiment 3
Embodiment 2 is repeated, simply the side of hydroecium 1 is provided with 12 water level regulation valves 104.On second cover plate 20401 Provided with 10 instrument connections 20402.Hydroecium 1 and seepage flow generating means 2 are acrylic material.
Use embodiment 1
Using the method for embodiment 2, a kind of method of testing level seepage flow, this method comprises the following steps:
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) the first water-stop sheet 207, the second water-stop sheet 208, the first porous plate more than 209, second are inserted in seepage flow generating means 2 Orifice plate 210, and the first water-stop sheet water-proof strip 20703 is posted on the first water-stop sheet 207, is posted on the second water-stop sheet 208 Two water-stop sheet water-proof strips 20803, good seal the first porous plate 209, the second porous plate 210 contact with seepage flow generating means 2 respectively Face, filter cloth is arranged close to the side for building soil box 204 in the first porous plate 209, the second porous plate 210 respectively, is building soil box 204 Outside drawn fill layering baseline;
3) material is inserted according to every layer of material requested quality and builds soil box 204, then placement in layers is compacted, between layers Shaving is to ensure to be in close contact, the equidistant hole arranged gap water pressure sensor in filling material, sensor conductor after filling Drawn by the instrument connection 20402 on the second cover plate 20401, and cover the second cover plate 20401, sealed;
4) hydroecium water inlet flow valve 102 is opened, to hydroecium 1 plus water, the bottom outer surface of seepage flow generating means 2 to be added water to During residing height, draining valve 20301 between water proof is opened, drains leak, guarantee is built soil box 204 and dried before on-test.Then Hydroecium water inlet flow valve 102 is adjusted, adjusts toward in hydroecium 1 and adds water speed rate to setting water level, and adjust water level regulation valve 104 is constant with guaranteed water level;
5) the first water-stop sheet 207 is opened so that the first water-stop sheet water-proof strip 20703 is close in the top of seepage flow generating means 2 Wall, in outside, clamp inserts the first water-stop sheet fixed groove 20704 and fixed, and seals, and closes draining valve 20301 between water proof, Regulation water supply rate makes between water storage between 202, water proof 203 be full of water, while adjusts the maintenance stable level of water level regulation valve 104;
6) the second water-stop sheet 208 is opened so that the second water-stop sheet water-proof strip 20803 is close in the top of seepage flow generating means 2 Wall, in outside, clamp inserts the second water-stop sheet fixed groove 20804 and fixed, and seals, seepage tests start, by adjusting water level Control valve 104, maintain stable level;
7) when seepage stability, pore water pressure sensor record data is passed through.
Use embodiment 2
Using the method for embodiment 3, a kind of method of testing level seepage flow, this method comprises the following steps:
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) the first water-stop sheet 207, the second water-stop sheet 208, the first porous plate more than 209, second are inserted in seepage flow generating means 2 Orifice plate 210, and the first water-stop sheet water-proof strip 20703 is posted on the first water-stop sheet 207, is posted on the second water-stop sheet 208 Two water-stop sheet water-proof strips 20803, good seal the first porous plate 209, the second porous plate 210 contact with seepage flow generating means 2 respectively Face, filter cloth is arranged close to the side for building soil box 204 in the first porous plate 209, the second porous plate 210 respectively, is building soil box 204 Outside drawn fill layering baseline;.
3) material is inserted according to every layer of material requested quality and builds soil box 204, then placement in layers is compacted, between layers Shaving inserts moisture probe to ensure to be in close contact, from the instrument connection 20402 on the second cover plate 20401, and covers the second cover plate 20401, sealing;
4) hydroecium water inlet flow valve 102 is opened, to hydroecium 1 plus water, the bottom outer surface of seepage flow generating means 2 to be added water to During residing height, draining valve 20301 between water proof is opened, drains leak, guarantee is built soil box 204 and dried before on-test.Then Hydroecium water inlet flow valve 102 is adjusted, adjusts toward in hydroecium 1 and adds water speed rate to setting water level, and adjust water level regulation valve 104 is constant with guaranteed water level;
5) the first water-stop sheet 207 is opened so that the first water-stop sheet water-proof strip 20703 is close in the top of seepage flow generating means 2 Wall, in outside, clamp inserts the first water-stop sheet fixed groove 20704 and fixed, and seals, and closes draining valve 20301 between water proof, Regulation water supply rate makes between water storage between 202, water proof 203 be full of water, while adjusts the maintenance stable level of water level regulation valve 104;
6) the second water-stop sheet 208 is opened so that the second water-stop sheet water-proof strip 20803 is close in the top of seepage flow generating means 2 Wall, in outside, clamp inserts the second water-stop sheet fixed groove 20804 and fixed, and seals, seepage tests start, by adjusting water level Control valve 104, maintain stable level;
7) when seepage stability, the seepage discharge at record different time interval, that is, hydroecium water inlet flow valve 102 is passed through The difference of inflow and the water yield of water level regulation valve 104 obtains seepage discharge.And also need to obtain wetting front moving with the time Situation of change is moved, i.e., is measured by moisture probe, hydroecium water level is changed by seepage discharge, carries out aforesaid operations again, is recorded Data.
Use embodiment 3
Using the method for embodiment 2, a kind of method of testing level seepage flow, this method comprises the following steps:
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) the first water-stop sheet 207, the second water-stop sheet 208, the first porous plate more than 209, second are inserted in seepage flow generating means 2 Orifice plate 210, and the first water-stop sheet water-proof strip 20703 is posted on the first water-stop sheet 207, is posted on the second water-stop sheet 208 Two water-stop sheet water-proof strips 20803, good seal the first porous plate 209, the second porous plate 210 contact with seepage flow generating means 2 respectively Face, filter cloth is arranged close to the side for building soil box 204 in the first porous plate 209, the second porous plate 210 respectively, is building soil box 204 Outside drawn fill layering baseline;
3) material is inserted according to every layer of material requested quality and builds soil box 204, then placement in layers is compacted, between layers Shaving covers the second cover plate 20401, seals, inserted from the instrument connection 20402 on the second cover plate 20401 to ensure to be in close contact Water guide glass-tube;
4) hydroecium water inlet flow valve 102 is opened, to hydroecium 1 plus water, the bottom outer surface of seepage flow generating means 2 to be added water to During residing height, draining valve 20301 between water proof is opened, drains leak, guarantee is built soil box 204 and dried before on-test.Then Hydroecium water inlet flow valve 102 is adjusted, adjusts toward in hydroecium 1 and adds water speed rate to setting water level, and adjust water level regulation valve 104 is constant with guaranteed water level;
5) the first water-stop sheet 207 is opened so that the first water-stop sheet water-proof strip 20703 is close in the top of seepage flow generating means 2 Wall, in outside, clamp inserts the first water-stop sheet fixed groove 20704 and fixed, and seals, and closes draining valve 20301 between water proof, Regulation water supply rate makes between water storage between 202, water proof 203 be full of water, while adjusts the maintenance stable level of water level regulation valve 104;
6) the second water-stop sheet 208 is opened so that the second water-stop sheet water-proof strip 20803 is close in the top of seepage flow generating means 2 Wall, in outside, clamp inserts the second water-stop sheet fixed groove 20804 and fixed, and seals, seepage tests start, by adjusting water level Control valve 104, maintain stable level;
7) after seepage stability, until after rock soil medium moistens saturation completely, head value stabilization in water guide glass-tube it Discharge water in the head value and the unit interval of seepage flow generating means discharge outlet 20501 of each water guide glass-tube is read afterwards.

Claims (10)

1. a kind of horizontal seepage flow test device, the device includes hydroecium (1), seepage flow generating means (2), bearing (3);Seepage flow occurs Device (2) is arranged on the top of bearing (3);Hydroecium (1) is arranged on the side of seepage flow generating means (2) and bearing (3);Seepage flow is sent out Generating apparatus (2) is body structure;Hydroecium (1) is provided with connector (101) close to the side of seepage flow generating means (2), and seepage flow occurs Device (2) is provided with hydroecium connector (201), the hydroecium connector (201) of seepage flow generating means (2) close to one end of hydroecium (1) It is connected and communicates with the connector (101) of hydroecium (1);Seepage flow generating means (2) is from the close-by examples to those far off sequentially provided with according to apart from hydroecium (203) between (202), water proof between water storage, build soil box (204) and water leg (205).
2. device according to claim 1, it is characterised in that:The hydroecium (1) is body structure, preferably cuboid knot Structure;And/or
The top of the hydroecium (1) is provided with hydroecium water inlet flow valve (102);The side bottom of hydroecium (1) is provided with hydroecium draining Mouth valve (103);The side of hydroecium (1) and it is provided with level control valve positioned at the top of seepage flow generating means (2) horizontal level Door (104).
3. device according to claim 1 or 2, it is characterised in that:Seepage flow generating means (2) is body structure;Seepage flow is sent out One end of generating apparatus (2) is hatch frame and is connected and communicates with the connector (101) of hydroecium (1);Seepage flow generating means (2) is also Including the first cover plate (206), the first water-stop sheet (207), the second water-stop sheet (208), the first porous plate (209), the second porous plate (210);The front end at the top of seepage flow generating means (2) is fixed with the first cover plate (206), and the first cover plate (206) is provided with the One water-stop sheet socket (20701) and the second water-stop sheet socket (20801);First water-stop sheet socket (20701) is located at the first cover plate (206) centre, the second water-stop sheet socket (20801) are located at the posterior edges of the first cover plate (206);Seepage flow generating means (2) Bottom and be provided with the first water-stop sheet groove (20702), seepage flow positioned at first water-stop sheet socket (20701) location directly below The bottom of generating means (2) and it is provided with the second water-stop sheet groove positioned at second water-stop sheet socket (20801) location directly below (20802);The first porous plate slot (20901) and second porous is equipped with the inside both sides side wall of seepage flow generating means (2) Plate slot (21001);First water-stop sheet (207) is arranged on the first water-stop sheet socket (20701) and the first water-stop sheet groove (20702) between;Second water-stop sheet (208) is arranged on the second water-stop sheet socket (20801) and the second water-stop sheet groove (20802) Between;First porous plate (209) is arranged between the first porous plate slot (20901) in internal both sides side wall, and second is porous Plate (210) is arranged between the second porous plate slot (21001) in internal both sides side wall;Second water-stop sheet (208) and first Porous plate (209) is closely set;The both sides side of hydroecium connector (201), the first water-stop sheet (207) and seepage flow generating means (2) Wall is formed between water storage (202);The both sides side wall of first water-stop sheet (207), the second water-stop sheet (208) and seepage flow generating means (2) Between composition water proof (203);The both sides side wall structure of first porous plate (209), the second porous plate (210) and seepage flow generating means (2) Into building soil box (204);The two of second porous plate (210), the end side plate of seepage flow generating means (2) and seepage flow generating means (2) Side side wall forms water leg (205);The top for building soil box (204) is provided with the second cover plate (20401).
4. device according to claim 3, it is characterised in that:Between water proof water proof is provided with below the bottom of (203) or sidepiece Between draining valve (20301);The top of first water-stop sheet (207) and/or the second water-stop sheet (208) is provided with handle (211);And/or
Seepage flow generating means discharge outlet (20501) is provided with below the bottom of water leg (205) or sidepiece.
5. the device according to claim 3 or 4, it is characterised in that:The front of first water-stop sheet (207) is provided with the first water proof Plate water-proof strip (20703), the side of the first water-stop sheet (207) are provided with the first water-stop sheet fixed groove (20704);Preferably, First water-stop sheet fixed groove (20704) is arranged on the top of the first water-stop sheet water-proof strip (20703);And/or
The front of second water-stop sheet (208) is provided with the second water-stop sheet water-proof strip (20803), and the side of the second water-stop sheet (208) is set There is the second water-stop sheet fixed groove (20804);Preferably, the second water-stop sheet fixed groove (20804) is arranged on the second water proof The top of plate water-proof strip (20803).
6. according to the device any one of claim 3-5, it is characterised in that:The side of hydroecium (1) is provided with 1-30 Water level regulation valve (104), 2-20 water level regulation valve (104) is preferably provided with, more preferably provided with 3-10 level control valve Door (104);Preferably, the spacing between adjacent water level regulation valve (104) is identical;And/or
Second cover plate (20401) is provided with instrument connection (20402);Preferably, the second cover plate (20401) is provided with 2-20 survey Prospect hole (20402), 3-10 instrument connection (20402) is preferably provided with, more preferably provided with 4-8 instrument connection (20402).
7. according to the device any one of claim 1-7, it is characterised in that:The hydroecium connection of seepage flow generating means (2) Mouth (201) is closely connected with the connector (101) of hydroecium (1) by waterproof sealing plate and connecting bolt;And/or
The height of bearing (3) is 0.5-2 times of seepage flow generating means (2) height, preferably 0.6-1.5 times, more preferably 0.7- 1.2 again.
8. according to the device any one of claim 3-7, it is characterised in that:First porous plate (209) and second porous Plate (210) is provided with permeable aperture;And/or
The hydroecium (1) and seepage flow generating means (2) are transparent material, preferably lucite or acrylic material.
9. the method or usage right of a kind of testing level seepage flow require the method for device any one of 1-8, this method bag Include following steps:
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) the first water-stop sheet (207), the second water-stop sheet (208), the first porous plate (209), the are inserted in seepage flow generating means (2) Two porous plates (210), and the first water-stop sheet water-proof strip (20703) is posted on the first water-stop sheet (207), in the second water-stop sheet (208) the second water-stop sheet water-proof strip (20803) is posted on, respectively the porous plate of good seal first (209), the second porous plate (210) With seepage flow generating means (2) contact surface, respectively in the first porous plate (209), the second porous plate (210) close to building soil box (204) Side arrange filter cloth, fill layering baseline the outside for building soil box (204) is drawn;
3) material is inserted according to every layer of material requested quality and builds soil box (204), then placement in layers is compacted, and is scraped between layers Hair is equally spaced matric suction or pore water pressure sensor in filling material, passed after filling to ensure to be in close contact Sensor wire is drawn by the instrument connection (20402) on the second cover plate (20401), and covers the second cover plate (20401), is sealed;
4) hydroecium water inlet flow valve (102) is opened, to hydroecium (1) plus water, seepage flow generating means (2) bottom outer to be added water to Residing for face during height, draining valve (20301) between water proof is opened, drains leak, guarantee is built soil box (204) and done before on-test It is dry;Then hydroecium water inlet flow valve (102) is adjusted, adjusts toward in hydroecium (1) and adds water speed rate to setting water level, and adjust water Position control valve (104) is constant with guaranteed water level;
5) the first water-stop sheet (207) is opened so that the first water-stop sheet water-proof strip (20703) is close at the top of seepage flow generating means (2) Inwall, insert the first water-stop sheet fixed groove (20704) with clamp in outside and fix, sealing, and close draining valve between water proof (20301), regulation water supply rate makes between water storage that (203) are full of water between (202), water proof, while adjusts water level regulation valve (104) Maintain stable level;
6) the second water-stop sheet (208) is opened so that the second water-stop sheet water-proof strip (20803) is close at the top of seepage flow generating means (2) Inwall, insert the second water-stop sheet fixed groove (20804) with clamp in outside and fix, sealing, seepage tests start, and pass through regulation Water level regulation valve (104), maintain stable level;
7) when seepage stability, matric suction or pore water pressure sensor record data are passed through.
10. the method or usage right of a kind of testing level seepage flow require the method for device any one of 1-8, this method bag Include following steps:
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) the first water-stop sheet (207), the second water-stop sheet (208), the first porous plate (209), the are inserted in seepage flow generating means (2) Two porous plates (210), and the first water-stop sheet water-proof strip (20703) is posted on the first water-stop sheet (207), in the second water-stop sheet (208) the second water-stop sheet water-proof strip (20803) is posted on, respectively the porous plate of good seal first (209), the second porous plate (210) With seepage flow generating means (2) contact surface, respectively in the first porous plate (209), the second porous plate (210) close to building soil box (204) Side arrange filter cloth, fill layering baseline the outside for building soil box (204) is drawn;
3) material is inserted according to every layer of material requested quality and builds soil box (204), then placement in layers is compacted, and is scraped between layers Hair inserts moisture probe to ensure to be in close contact, from the instrument connection (20402) on the second cover plate (20401), and covers the second lid Plate (20401), sealing;
4) hydroecium water inlet flow valve (102) is opened, to hydroecium (1) plus water, seepage flow generating means (2) bottom outer to be added water to Residing for face during height, draining valve (20301) between water proof is opened, drains leak, guarantee is built soil box (204) and done before on-test It is dry;Then hydroecium water inlet flow valve (102) is adjusted, adjusts toward in hydroecium (1) and adds water speed rate to setting water level, and adjust water Position control valve (104) is constant with guaranteed water level;
5) the first water-stop sheet (207) is opened so that the first water-stop sheet water-proof strip (20703) is close at the top of seepage flow generating means (2) Inwall, insert the first water-stop sheet fixed groove (20704) with clamp in outside and fix, sealing, and close draining valve between water proof (20301), regulation water supply rate makes between water storage that (203) are full of water between (202), water proof, while adjusts water level regulation valve (104) Maintain stable level;
6) the second water-stop sheet (208) is opened so that the second water-stop sheet water-proof strip (20803) is close at the top of seepage flow generating means (2) Inwall, insert the second water-stop sheet fixed groove (20804) with clamp in outside and fix, sealing, seepage tests start, and pass through regulation Water level regulation valve (104), maintain stable level;
7) when seepage stability, the seepage discharge at record different time interval, i.e. entering by hydroecium water inlet flow valve (102) Water and the difference of water level regulation valve (104) water yield obtain seepage discharge;And also need to obtain wetting front moving with the time Situation of change is moved, i.e., is measured by moisture probe, hydroecium water level is changed by seepage discharge, carries out aforesaid operations again, is recorded Data;
Or
1) good and rock soil medium analog material is configured, determine material fills compactness and placement in layers thickness;
2) the first water-stop sheet (207), the second water-stop sheet (208), the first porous plate (209), the are inserted in seepage flow generating means (2) Two porous plates (210), and the first water-stop sheet water-proof strip (20703) is posted on the first water-stop sheet (207), in the second water-stop sheet (208) the second water-stop sheet water-proof strip (20803) is posted on, respectively the porous plate of good seal first (209), the second porous plate (210) With seepage flow generating means (2) contact surface, respectively in the first porous plate (209), the second porous plate (210) close to building soil box (204) Side arrange filter cloth, fill layering baseline the outside for building soil box (204) is drawn;
3) material is inserted according to every layer of material requested quality and builds soil box (204), then placement in layers is compacted, and is scraped between layers Hair covers the second cover plate (20401), sealed to ensure to be in close contact;From the instrument connection (20402) on the second cover plate (20401) Insert water guide glass-tube;
4) hydroecium water inlet flow valve (102) is opened, to hydroecium (1) plus water, seepage flow generating means (2) bottom outer to be added water to Residing for face during height, draining valve (20301) between water proof is opened, drains leak, guarantee is built soil box (204) and done before on-test It is dry;Then hydroecium water inlet flow valve (102) is adjusted, adjusts toward in hydroecium (1) and adds water speed rate to setting water level, and adjust water Position control valve (104) is constant with guaranteed water level;
5) the first water-stop sheet (207) is opened so that the first water-stop sheet water-proof strip (20703) is close at the top of seepage flow generating means (2) Inwall, insert the first water-stop sheet fixed groove (20704) with clamp in outside and fix, sealing, and close draining valve between water proof (20301), regulation water supply rate makes between water storage that (203) are full of water between (202), water proof, while adjusts water level regulation valve (104) Maintain stable level;
6) the second water-stop sheet (208) is opened so that the second water-stop sheet water-proof strip (20803) is close at the top of seepage flow generating means (2) Inwall, insert the second water-stop sheet fixed groove (20804) with clamp in outside and fix, sealing, seepage tests start, and pass through regulation Water level regulation valve (104), maintain stable level;
7) after seepage stability, until after rock soil medium moistens saturation completely, read after the head value stabilization in water guide glass-tube Take discharge water in the head value and seepage flow generating means discharge outlet (20501) unit interval of each water guide glass-tube.
CN201710807447.3A 2017-09-08 2017-09-08 A kind of horizontal seepage flow test device and its application method Pending CN107421874A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109959598A (en) * 2019-04-29 2019-07-02 华北水利水电大学 A kind of unrestrained well seepage tests method in water-bearing layer bottom
CN112525797A (en) * 2020-11-27 2021-03-19 中国电建集团成都勘测设计研究院有限公司 Soil body horizontal permeability coefficient testing device
CN112730189A (en) * 2020-12-10 2021-04-30 湖南大学 Sponge city facility water penetration and storage characteristic double-ring synchronous permeameter and detection method
CN113030437A (en) * 2021-03-10 2021-06-25 北京航空航天大学 Tester for researching erosion and seepage characteristics of coastal flow
CN113029914A (en) * 2021-04-13 2021-06-25 合肥泛远检测仪器有限公司 Perpendicular permeameter of geotechnique's cloth

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109959598A (en) * 2019-04-29 2019-07-02 华北水利水电大学 A kind of unrestrained well seepage tests method in water-bearing layer bottom
CN109959598B (en) * 2019-04-29 2021-10-15 华北水利水电大学 Seepage test method for drainage well at bottom of aquifer
CN112525797A (en) * 2020-11-27 2021-03-19 中国电建集团成都勘测设计研究院有限公司 Soil body horizontal permeability coefficient testing device
CN112730189A (en) * 2020-12-10 2021-04-30 湖南大学 Sponge city facility water penetration and storage characteristic double-ring synchronous permeameter and detection method
CN113030437A (en) * 2021-03-10 2021-06-25 北京航空航天大学 Tester for researching erosion and seepage characteristics of coastal flow
CN113029914A (en) * 2021-04-13 2021-06-25 合肥泛远检测仪器有限公司 Perpendicular permeameter of geotechnique's cloth
CN113029914B (en) * 2021-04-13 2021-12-03 合肥泛远检测仪器有限公司 Perpendicular permeameter of geotechnique's cloth

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