CN106092856A - A kind of coarse Fracture Networks seepage flow quantitative visualization analog systems and test method thereof - Google Patents
A kind of coarse Fracture Networks seepage flow quantitative visualization analog systems and test method thereof Download PDFInfo
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- CN106092856A CN106092856A CN201610574998.5A CN201610574998A CN106092856A CN 106092856 A CN106092856 A CN 106092856A CN 201610574998 A CN201610574998 A CN 201610574998A CN 106092856 A CN106092856 A CN 106092856A
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- fracture networks
- seepage
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- crack
- container
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
Abstract
The invention discloses a kind of coarse Fracture Networks seepage flow quantitative visualization analog systems and test method thereof, system include water source device, syringe pump, can clipping inflow and outflow container, Fracture Networks seepage apparatus, CCD camera systems, water seepage weighing system and water pressure acquisition system.Any form of coarse Fracture Networks flow event can be simulated by the present invention, the mechanics aperture in any coarse crack can carry out quantification simultaneously, and the flow event of water in Fracture Networks is achieved visual research.Present system has the feature such as simple in construction, strong, the economy of the suitability, has great importance with the visual research of Fracture Networks flow event particularly with the quantification of coarse crack mechanics aperture.
Description
Technical field
The present invention relates to coarse fracture seepage physical experiments field, particularly a kind of for coarse crack mechanics aperture
Coarse Fracture Networks seepage flow quantitative visualization analog systems and test method.
Background technology
Natural rock mass exists a large amount of discontinuity surface/crack, these discontinuity surfaces exist in rock mass water or other have
The migration of pest matter provides passage.For dam and slope project, artesian groundwater is with osmotic pressure or the side of head pressure
Formula seepage flow in discontinuity surface is the major reason causing slope project unstability;For underground petroleum bank and nuclear power station
Basis etc., the noxious pollutant such as oil or nuclear matter easily produces migration and diffusion by discontinuity surface in rock mass, thus to periphery
Environment produces and pollutes greatly.Additionally in fine and close rock mass, such as granite and sedimentary rock, the migration of fluid is substantially only along it
In discontinuity surface carry out, therefore launch fluid in fine and close rock cranny the research of percolation law and mechanism for slope project
The security evaluation of stability and underground (storage) engineering all has great importance.
The patent of invention of Application No. CN201310657945.6 describes one scope of freedom Fracture Networks seepage tests
Device, this device carves results of fracture simulation Fracture Networks portraying on plate, by a side of Fracture Networks model and upstream water tank
It is connected and passes through the water filling in crack of upstream water tank.Owing to crack is the most small, and the model containing Fracture Networks is portrayed plate
Whole side is unnecessary be connected position side not being existed to crack with water tank from the point of view of, increases upstream water tank and crack mould
The position that the contact area of type seeps water in making contact range undoubtedly increases, thus increases the difficulty of water leakage.
The patent of invention of Application No. CN201210562580.4 and the invention of Application No. CN201410588213.0 are special
Profit describes the apparatus and method using true rock or concrete test block to carry out fracture seepage simulation respectively, and two kinds of devices are all
Authentic sample or concrete test block are positioned in a container, by from the external oral siphon of container to water filling in the crack of sample
And produce seepage flow.But external water source is not to be directly accessed in the crack of sample, but through the boundary of sample Yu container inner wall
Face then could seepage flow, external water source during sample and container inner wall inevitably along the two interface
Spread to surrounding, inherently cause water pressure and the decay of discharge and dissipation, thus cause result of the test to produce the biggest error.
" rock-soil mechanics " the 6th phase in 2015 is entitled, and " calculating and the non-linear hydraulic characteristic(s) of intersection crack hydraulic aperture are ground
Study carefully " in author Liu Cheng etc. describe a kind of for intersecting the test method that crack hydraulic aperture calculates, but literary composition does not relate to
And coarse fracture surface shape and mechanics aperture are carried out the research of quantification, also grind without reference to flow event is visual
Study carefully.
Device involved in above-mentioned prior art all exists necessarily during external water source introduces end, crack
Defect, thus how realizing transitting directly to the water of external water source is a key issue in crack;And in prior art
The research method of quantification is lacked for coarse crack;In addition prior art does not all have for coarse fracture seepage process visual
Research in terms of change.
Summary of the invention
It is an object of the invention to provide a kind of coarse Fracture Networks seepage flow quantitative visualization analog systems and test side thereof
Method, to realize water simulation of seepage flow in coarse Fracture Networks, it is achieved the water of external water source is transitted directly in coarse crack,
Avoid diffusion.
Further aim of the present invention be to provide a kind of coarse Fracture Networks seepage flow quantitative visualization analog systems and
Test method, its quantification being capable of any coarse crack geometry, record surface configuration and the power in coarse crack
Learn aperture.
Further object of the present invention be to provide a kind of coarse Fracture Networks seepage flow quantitative visualization analog systems and
Its test method, it realizes the visual Simulation of flow event for the seepage flow of water in coarse crack, oozes for coarse Fracture Networks
Research in terms of stream visualization provides basis.
For achieving the above object, the technical solution used in the present invention is:
A kind of coarse Fracture Networks seepage flow quantitative visualization analog systems, including water source device, syringe pump, can clipping flow
Enter flow container and Fracture Networks seepage apparatus;
Described syringe pump, its water inlet end connects described water source device by aqueduct, and described water inlet end is provided with the first valve,
The water side of described syringe pump by aqueduct be communicated to described can clipping inflow and outflow container, described water side is provided with second
Valve;
Described can clipping inflow and outflow container, ooze including matrix with for described matrix is connected to described Fracture Networks
The clamping part of stream device, described matrix is provided with the input/output passage of liquid communication;Described input/output passage end with
Described Fracture Networks seepage apparatus connects, and the other end is connected with the aqueduct of the water side of described syringe pump, and described input/defeated
Go out and between the water side of passage and described syringe pump, be provided with the 3rd valve;
Described Fracture Networks seepage apparatus, has at least including the two pieces of first identical glass plates and a piece compressing model
Second glass plate of the Fracture Networks in two cracks, described second glass plate is between described two piece of first glass plate, and institute
State the edge position seals that the first glass plate contacts with each other with described two piece of second glass plate;Wherein, described second glass
The edge at least two part of plate protrudes from described two piece of first glass plate, forms at least two protuberance;
The shape of described clamping part adapts with described protuberance, can be clamped in described by clipping inflow and outflow container
The protuberance of described Fracture Networks seepage apparatus, makes described input/output passage with a crack in described Fracture Networks even
Logical, and the marginal position sealing that described clamping part contacts with described protuberance.
Further, also including CCD camera systems, this system includes:
One CCD camera, is positioned at above described Fracture Networks seepage apparatus, for clapping described Fracture Networks seepage apparatus
According to the image obtaining described Fracture Networks;Wherein said image is for when injecting the coloured dye liquor of band in crack and being full of whole splitting
Image during gap network;
First computer, is connected with described CCD camera, for processing the image of described Fracture Networks, it is thus achieved that split
The crack mechanics aperture of gap surface configuration coordinate data and diverse location.
Further, also include water seepage weighing system, including:
Container, for collecting the crack water seepage in described Fracture Networks seepage apparatus;
Electronic scale, described container is placed on it, the weight data of water seepage in described container of weighing;
Second computer, is connected with described electronic scale, is used for recording described weight data.
Further, this system also includes water pressure acquisition system, including:
Miniature osmometer, is embedded at and described can be used for detecting described input/defeated on the matrix of clipping inflow and outflow container
The pressure of the liquid circulated in going out passage;
Data collecting instrument, is connected with described miniature osmometer, is used for gathering described pressure;
3rd computer, is connected with described data collecting instrument, is used for recording described pressure.
Optionally, between described water source device and described syringe pump, it is additionally provided with defecator, is used for filtering off described in entrance and splits
Impurity in the water source of gap network, prevents impurity blocking crack during fracture seepage.
Optionally, the crack in described second glass plate along the thickness direction of the second glass plate completely through, institute
State Fracture Networks that Fracture Networks is reservation shape or hit and natural shape by described second glass plate is applied physics
The Fracture Networks become.
In one embodiment, the described protuberance on described Fracture Networks seepage apparatus has four, and wherein each two is convex
Go out portion and constitute input and outfan as one group;
The input of two groups connects respectively can clipping inflow and outflow container described in one;The outfan of two groups connects respectively
One second can clipping inflow and outflow container;
Wherein, each described second can clipping inflow and outflow container with described can clipping inflow and outflow structure of container phase
With, the input/output passage end on its matrix is connected with the outfan of described Fracture Networks seepage apparatus, other end connecting bending
Folding aqueduct, described bending aqueduct is provided with the 4th valve and end is positioned at above described container;
Corresponding, described container has two, collects the outfan outflow of in described Fracture Networks seepage apparatus two groups respectively
Crack water seepage;Being respectively provided with an electronic scale under each container, each electronic scale is connected to described second computer.
Further, described can the clamping part rectangular groove-like structure of clipping inflow and outflow container, described second glass
The protuberance of glass plate stretches into described groove back edge position seals.
The present invention also provides for a kind of utilizing above-mentioned coarse Fracture Networks seepage flow quantitative visualization analog systems to test
Method, including tests below step:
1) cooperation of described first valve, the second valve, the 3rd valve and syringe pump is utilized to note in described Fracture Networks
Entering orcein dye until being full of Fracture Networks, utilizing described CCD camera to take pictures along whole Fracture Networks surface, obtain institute
Stating the image of Fracture Networks, the image of described Fracture Networks is processed by described first computer, it is thus achieved that fracture surface shape
The crack mechanics aperture of coordinate data and diverse location;
2) water source is changed to pure water, opens the first valve and pure water is stored in syringe pump, then open the second valve
Door and the 3rd valve, close in the crack that pure water is injected on described Fracture Networks seepage apparatus by the first valve, wherein said
Syringe pump water filling in crack with firm discharge or fixing water pressure, is acquired by described water pressure acquisition system and is monitored
Water pressure, the most described water seepage weighing system works, carries out data acquisition;
3) when after described pure water seepage stability, water source being replaced with orcein dye and injecting described Fracture Networks seepage flow dress
In the crack put, open described CCD camera simultaneously and whole Fracture Networks is taken pictures, by the photo analysis record obtained
Orcein dye flow event in Fracture Networks and/or law characteristic.
Compared to prior art, the present invention at least has the advantages that
This system by arrange described can clipping inflow and outflow container and Fracture Networks seepage apparatus, contact position surrounding
Seal, it is achieved water is the simulation of seepage flow in coarse Fracture Networks, it is achieved transitted directly to by the water of external water source in coarse crack,
Avoid diffusion.
Being processed by CCD camera post analysis of taking pictures, it is capable of the quantification to any coarse crack geometry, surveys
Obtain surface configuration and the mechanics aperture in coarse crack.
Fracture Networks seepage apparatus is made up of glass plate, can easily obtain more clear pictures, and it is in coarse crack
The seepage flow of water realizes the visual Simulation of flow event, provides basis for the research in terms of coarse Fracture Networks seepage flow visualization.
Accompanying drawing explanation
Fig. 1 is the fine and close fracture network seepage tests system schematic of simulation;
Fig. 2 is can clipping inflow and outflow container schematic diagram;
Fig. 3 is Fracture Networks seepage apparatus schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
The embodiment of the present invention provide a kind of coarse Fracture Networks seepage flow quantitative visualization analog systems, including water source device,
Syringe pump, can clipping inflow and outflow container and Fracture Networks seepage apparatus.Described syringe pump, its water inlet end is by aqueduct even
Logical described water source device, described water inlet end is provided with the first valve, and the water side of described syringe pump is communicated to described by aqueduct
Can clipping inflow and outflow container, described water side is provided with the second valve;Described can clipping inflow and outflow container, including matrix
With the clamping part for described matrix is connected to described Fracture Networks seepage apparatus, described matrix is provided with the defeated of liquid communication
Enter/output channel;Described input/output passage end is connected with described Fracture Networks seepage apparatus, the other end and described injection
The aqueduct of the water side of pump connects, and is provided with the 3rd valve between described input/output passage and the water side of described syringe pump
Door;Described Fracture Networks seepage apparatus, has at least two including the two pieces of first identical glass plates and a piece compressing setting
Second glass plate of the Fracture Networks in crack, described second glass plate between described two piece of first glass plate, and described
The edge position seals that one glass plate contacts with each other with described two piece of second glass plate.Wherein, described second glass plate
Edge at least two part protrudes from described two piece of first glass plate, forms at least two protuberance, is overall in the present embodiment
Protrude, i.e. the second glass plate length or the width of cuboid is more than two piece of first glass plate;The shape of described clamping part is with described
Protuberance adapts, so that the protuberance of described Fracture Networks seepage apparatus can be clamped in by clipping inflow and outflow container by described,
Described input/output passage is made to connect with a crack in described Fracture Networks, and described clamping part and described protuberance phase
The marginal position of contact seals.Described in the present embodiment can clipping inflow and outflow container clamping part rectangular groove-like knot
Structure, the protuberance of described second glass plate stretches into described groove back edge position seals.
Exemplary, the described protuberance on described Fracture Networks seepage apparatus has four, and wherein each two protuberance is made
It is one group and constitutes input and outfan;The input of two groups connects respectively can clipping inflow and outflow container described in one;Two
The outfan of group connects one second respectively can clipping inflow and outflow container;Each described second can hold in clipping inflow and outflow
Device with described can clipping inflow and outflow structure of container identical, only installation site is different, the input/output passage on its matrix
One end is connected with the outfan of described Fracture Networks seepage apparatus, and the other end connects bending aqueduct, on described bending aqueduct
It is provided with the 4th valve and end is positioned at above container;Described container has two, collects respectively in described Fracture Networks seepage apparatus
The crack water seepage that the outfan of two groups flows out;Being respectively provided with an electronic scale under each container, each electronic scale is connected to
Two computers.
CCD camera systems includes a CCD camera, is positioned at above described Fracture Networks seepage apparatus, for splitting described
Gap network seepage device is taken pictures and is obtained the image of described Fracture Networks;Wherein said image is coloured when injecting band in crack
Image when dye liquor and full whole Fracture Networks;First computer is connected with described CCD camera, for described Fracture Networks
Image process, it is thus achieved that the crack mechanics aperture of fracture surface shape coordinate data and diverse location.
Water seepage weighing system, including container, electronic scale and second computer.Described container, is used for collecting described crack
Crack water seepage in network seepage device;Described electronic scale, described container is placed on it, and oozes out in the described container that is used for weighing
The weight data of water;Described second computer, is connected with described electronic scale, is used for recording described weight data.
Further, this system also includes water pressure acquisition system, including miniature osmometer, data collecting instrument and the 3rd
Computer.Described miniature osmometer, is embedded at and described can be used for detecting described defeated on the matrix of clipping inflow and outflow container
Enter/output channel in the pressure of liquid of circulation;Described data collecting instrument, is connected with described miniature osmometer, is used for gathering institute
State pressure;Described 3rd computer, is connected with described data collecting instrument, is used for recording described pressure.
Optionally, between described water source device and described syringe pump, it is additionally provided with defecator, is used for filtering off described in entrance and splits
Impurity in the water source of gap network, prevents impurity blocking crack during fracture seepage.
Optionally, the crack in described second glass plate along the thickness direction of the second glass plate completely through, institute
State Fracture Networks that Fracture Networks is reservation shape or hit and natural shape by described second glass plate is applied physics
The Fracture Networks become.
Operation principle:
1) cooperation of described first valve, the second valve, the 3rd valve and syringe pump is utilized to note in described Fracture Networks
Entering orcein dye until being full of Fracture Networks, utilizing described CCD camera to take pictures along whole Fracture Networks surface, obtain institute
Stating the image of Fracture Networks, the image of described Fracture Networks is processed by described first computer, it is thus achieved that fracture surface shape
The crack mechanics aperture of coordinate data and diverse location;
2) water source is changed to pure water, opens the first valve and pure water is stored in syringe pump, then open the second valve
Door and the 3rd valve, close in the crack that pure water is injected on described Fracture Networks seepage apparatus by the first valve, wherein said
Syringe pump water filling in crack with firm discharge or fixing water pressure, is acquired by described water pressure acquisition system and is monitored
Water pressure, the most described water seepage weighing system works, carries out data acquisition;
3) when after described pure water seepage stability, water source being replaced with orcein dye and injecting described Fracture Networks seepage flow dress
In the crack put, open described CCD camera simultaneously and whole Fracture Networks is taken pictures, by the photo analysis record obtained
Orcein dye flow event in Fracture Networks and/or law characteristic.
Compared to prior art, the present invention at least has the advantages that
This system by arrange described can clipping inflow and outflow container and Fracture Networks seepage apparatus, contact position surrounding
Seal, it is achieved water is the simulation of seepage flow in coarse Fracture Networks, it is achieved transitted directly to by the water of external water source in coarse crack,
Avoid diffusion.
Being processed by CCD camera post analysis of taking pictures, it is capable of the quantification to any coarse crack geometry, surveys
Obtain surface configuration and the mechanics aperture in coarse crack.
Fracture Networks seepage apparatus is made up of glass plate, can easily obtain more clear pictures, and it is in coarse crack
The seepage flow of water realizes the visual Simulation of flow event, provides basis for the research in terms of coarse Fracture Networks seepage flow visualization.
The present invention is specifically illustrated below in conjunction with one.
Referring to Fig. 1-3, the coarse Fracture Networks seepage flow quantitative visualization analog systems shown in this example, including water source device
1, defecator (not shown), aqueduct 3, syringe pump 5, can clipping inflow/outflow container 6, Fracture Networks seepage flow module 7,
CCD camera systems 8, water seepage weighing system 9 and water pressure acquisition system 10, wherein syringe pump 5 in close side, water source and leans on
Nearly side, crack is respectively arranged with a valve 4, can have valve 11 and be embedded with miniature osmometer 18, crack on clipping stream entry/exit container 6
Network seepage module 7 includes two blocks of high-strength glass plates 12 and one piece of glass plate 13 containing Fracture Networks, and CCD camera systems 8 includes
One high accuracy CCD camera 14 and computer 15, water seepage weighing system 9 include the container 16 for collecting crack water seepage,
Electronic scale 17 and the computer 15 of record data, water pressure acquisition system 10 includes miniature osmometer 18, data collecting instrument 19 and
Computer 15.
Can clipping inflow/outflow container be a special clip as shown in Figure 2, including matrix and clamping part, generally
Hollow structure, constitutes rectangular recess shape, outside remainder good seal in addition to clip oral area, utilizes the clamping of clip oral area containing splitting
The position of the upper end, crack of gap wire rope plate 13 (the i.e. second glass plate), external curved by preformed hole in one end on the other side
Folding aqueduct, its can realize current from water source via can clipping inflow/outflow container 6 and flow into crack.Led by control
Valve 11 on water pipe 3 can control whether can there be inflow/outflow crack, water source in clipping inflow/outflow container 6;By micro-
Type osmometer 18 can monitor can the water pressure at the internal water source of clipping inflow/outflow container 6.
As it is shown on figure 3, Fracture Networks seepage flow module 7 (i.e. Fracture Networks seepage apparatus) is by two blocks of identical high-strength glass plates
12 (the i.e. first glass plates) and one piece of glass plate 13 (the i.e. second glass plate) composition containing Fracture Networks, be square in the present embodiment
Body, the size (length and/or width) of the glass plate 13 containing Fracture Networks is slightly larger than high-strength glass plate 12, two blocks of high-strength glass
Plate 12 is individually placed to the both sides of the glass plate 13 containing Fracture Networks, compress and at three pieces of glass plates after three pieces of glass core alignment
Sealant sealing is smeared in the position that surrounding contacts with each other, it is possible to achieve in flow event, water only produces motion inside crack.
Utilization can clamp the glass plate 13 containing Fracture Networks by clipping inflow/outflow container 6 in end, crack, and can clipping flow
Enter/flow container 6 and the position contacted containing the glass plate 13 of Fracture Networks smear fluid sealant, it is ensured that current flow through can be clipping
Seepage will not occur during inflow/outflow container 6.
The described glass plate 13 containing Fracture Networks is one block of simple glass plate, and the crack in glass plate along thickness direction is
Completely through, the parameter such as the shape of Fracture Networks, length can arbitrarily be chosen according to the needs of experimental study, and Fracture Networks was both
Can be the Fracture Networks with given shape depicted by diamant etc., it is also possible to be by glass plate is applied physics
Hit and the Fracture Networks of self-assembling formation.
The test method of said system is as follows, comprises the following steps:
The glass plate 13 containing Fracture Networks and two blocks of high-strength glass plates 12 with specific Fracture Networks are bonded by step 1
For Fracture Networks seepage flow module 7 and with syringe pump 5, can be connected by clipping inflow/outflow container 6.
Step 2, utilizing syringe pump 5 to inject orcein dye in Fracture Networks until being full of Fracture Networks, utilizing high accuracy
CCD camera is taken pictures along whole Fracture Networks surface, the photo obtained is imported computer, carries out image by MATLAB
Processing, extracted by rim detection and be marked with the outline of orcein dye and obtain the surface configuration in crack, recycling MATLAB extracts
The coordinate on Liang Ge surface, every crack, is perpendicular to the coordinate difference in fracture strike direction by calculating and is worth to the mechanics in crack and opens
Degree.
Step 3, according to the entry/exit mouth of a river number of fracture seepage and position in test multiple valves 11 are adjusted to open/
Closed mode.Water source is changed to pure water, and water is stored in syringe pump 5 by the valve 4 opening side, syringe pump 5 water source, then beats
Cracking gap side valve door 11 is closed water source side valve door 4 and is injected water in crack, can also may be used with firm discharge water filling by syringe pump 5
With by regulation water pump with the water filling in crack of fixing water pressure, water pressure is by miniature osmometer 18 i.e. water pressure acquisition system
10 are acquired and monitor, and adjust water seepage weighing system 9 to gathering data mode simultaneously.
Step 4, for the flow event of liquid and feature in eye slit network, replaces water source after pure water seepage stability
It is changed to orcein dye and injects in crack, opening high accuracy CCD camera 14 simultaneously and whole Fracture Networks is taken pictures, by obtaining
Photo analysis orcein dye flow event in Fracture Networks and law characteristic.
Concrete, in order to coarse crack is carried out quantification, inject in crack and carry coloured dye liquor (such as red)
And it is full of whole Fracture Networks, utilize high accuracy CCD camera to take pictures along whole Fracture Networks surface, the photo that will obtain
Import computer, carry out image procossing by MATLAB, owing to being marked with orcein dye in crack, the numerical value of its RGB and surrounding glass
The RGB numerical value of glass block is inconsistent, sets different RGB intervals and detects, and is extracted by rim detection and is marked with orcein dye
Outline, i.e. obtained the rough surface shape in crack.Recycling MATLAB extracts the coordinate on Liang Ge surface, every crack, its
In the mechanics aperture in the i.e. crack of coordinate difference being perpendicular to fracture strike direction, therefore can sit with rapid extraction fracture surface shape
The crack mechanics aperture of mark data and quickly calculating diverse location.It is existing mature technology herein, repeats no more.
In order to realize the visualization of flow event, on the one hand make crack by glass plate (12,13) this transparent medium
On the other hand network seepage module 7, injects Fracture Networks first with pure water as water source and reaches after seepage stability again by water source
Change the dye liquor (such as red) with certain color into, utilize high accuracy CCD camera 14 according to certain frequency to crack simultaneously
Taking pictures in the surface of network, can realize the visual of Fracture Networks flow event by the photo obtained is carried out image procossing
Change research.
Can valve 11 opens or closes on clipping inflow/outflow container 6 state by control input outfan
Number and the position at the Fracture Networks entry/exit mouth of a river can be adjusted, such that it is able to realize multiple seepage flow situation is simulated, such as
Single port enters water single drainage outlet water or twoport enters water single drainage outlet water etc..
Can clipping inflow/outflow container 6 be a special clip, clip is internal be hollow structure, outside except clip mouth
Remaining contact portion good seal outside portion, utilizes the position of end, crack on the clip oral area clamping glass plate 13 containing Fracture Networks
Put.Need to carry out waterproof scope to reduce, can the scope of clipping inflow/outflow container 6 clamping be only near crack very
A little fragment position, and external water source enters and and then will be able to flow in prefabricated crack after clipping inflow/outflow container 6
And there is no the transition of other parts.For there is not seepage during ensureing entrance crack, end, current crack, can clipping flow
Enter/oral area (i.e. clamping part) of flow container 6 clamping glass plate 13 containing Fracture Networks after to be coated with in the position that both contact
Smear fluid sealant.In order to ensure pasting completely between clipping inflow/outflow container 6 oral area and the glass plate 13 containing Fracture Networks
Close, can cushioning is appropriately sized the most between the resilient material of tool, such as rubber etc..
In order to prevent the glass plate 13 containing Fracture Networks from protruding on the marginal portion (i.e. protuberance) of high-strength glass plate 12
Crack flows into fluid sealant, adhesive tape can be pasted in advance at these positions as protection.Glass plate 13 containing Fracture Networks
One block of simple glass plate, the crack in glass plate along thickness direction completely through, the shape of Fracture Networks, length,
The parameters such as angle can arbitrarily be chosen according to the needs of experimental study.Fracture Networks both can be to be portrayed by diamant etc.
The crack with given shape gone out, it is also possible to be by glass plate applying physics is hit and the Fracture Networks of self-assembling formation.
In order to coarse crack is carried out quantification, inject in crack and carry coloured dye liquor (such as red) and be full of whole
Individual Fracture Networks, utilizes high accuracy CCD camera to take pictures along whole Fracture Networks surface, is imported by the photo obtained and calculates
Machine, carries out image procossing by MATLAB, is extracted by rim detection and is marked with the outline of orcein dye and obtains the surface in crack
Shape, recycling MATLAB is extracted the coordinate on Liang Ge surface, every crack, is perpendicular to the coordinate in fracture strike direction by calculating
Difference obtains the mechanics aperture in crack.
The present invention also provides for a kind of utilizing above-mentioned coarse Fracture Networks seepage flow quantitative visualization analog systems to test
Method, including tests below step:
1) cooperation of described first valve, the second valve, the 3rd valve and syringe pump is utilized to note in described Fracture Networks
Entering orcein dye until being full of Fracture Networks, utilizing described CCD camera to take pictures along whole Fracture Networks surface, obtain institute
Stating the image of Fracture Networks, the image of described Fracture Networks is processed by described first computer, it is thus achieved that fracture surface shape
The crack mechanics aperture of coordinate data and diverse location;
2) water source is changed to pure water, opens the first valve and pure water is stored in syringe pump, then open the second valve
Door and the 3rd valve, close in the crack that pure water is injected on described Fracture Networks seepage apparatus by the first valve, wherein said
Syringe pump water filling in crack with firm discharge or fixing water pressure, is acquired by described water pressure acquisition system and is monitored
Water pressure, the most described water seepage weighing system works, carries out data acquisition;
3) when after described pure water seepage stability, water source being replaced with orcein dye and injecting described Fracture Networks seepage flow dress
In the crack put, open described CCD camera simultaneously and whole Fracture Networks is taken pictures, by the photo analysis record obtained
Orcein dye flow event in Fracture Networks and/or law characteristic.
The present invention by arrange described can clipping inflow and outflow container and Fracture Networks seepage apparatus, contact position surrounding
Seal, it is achieved water is the simulation of seepage flow in coarse Fracture Networks, it is achieved transitted directly to by the water of external water source in coarse crack,
Avoid diffusion.Being processed by CCD camera post analysis of taking pictures, it is capable of the quantification to any coarse crack geometry,
Record surface configuration and the mechanics aperture in coarse crack.Fracture Networks seepage apparatus is made up of glass plate, can easily obtain more
Clear pictures, it realizes the visual Simulation of flow event for the seepage flow of water in coarse crack, for coarse Fracture Networks seepage flow
Research in terms of visualization provides basis.
The one coarse Fracture Networks seepage flow quantitative visualization analog systems of present invention offer and test method thereof, compare existing
There is technology, have the advantages that
1, Fracture Networks can be simulated by pilot system, is not limited solely to single crack;System for Fracture Networks
Make method simple, with low cost, Fracture Networks various informative, multiple test objective can be met.
2, by can both achieve water source externally to the seepage flow in crack by clipping inflow/outflow container 6, can subtract again
Little needs carry out the scope on the border sealed, and achieve external water source and be not required to other device transition and flow directly into prefabricated crack
In;Fracture Networks seepage flow module 7 then achieves water and only carries out seepage flow inside Fracture Networks, additionally by can clipping flow into/
Flow container 6 and Fracture Networks seepage flow module 7 achieve the sealing problem in seepage tests to water well.
3, to the collection of coarse fracture surface image and MATLAB software is utilized to carry out image by high accuracy CCD camera 14
Process, obtained the aperture of crack diverse location by edge detection method, it is achieved quantitative to any coarse crack geometry
Change.
4, by injecting the coloured dye liquor of band in Fracture Networks, utilize high accuracy CCD camera 14 with certain frequency simultaneously
Net list face, crack is imaged by rate continuously, achieves water coarse by being analyzed a series of photos obtained
Flow event and the visual research of rule in Fracture Networks.
5, multiple can valve 11 opens or closes on clipping inflow/outflow container 6 state can adjust by controlling
The number at the Fracture Networks entry/exit mouth of a river and position, such that it is able to the multiple combination realized between different outlet and water inlet, than
Enter water single drainage outlet water such as single port or twoport enters water single drainage outlet water etc..
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a coarse Fracture Networks seepage flow quantitative visualization analog systems, it is characterised in that include water source device, syringe pump,
Can clipping inflow and outflow container and Fracture Networks seepage apparatus;
Described syringe pump, its water inlet end connects described water source device by aqueduct, and described water inlet end is provided with the first valve, described
The water side of syringe pump by aqueduct be communicated to described can clipping inflow and outflow container, described water side is provided with the second valve
Door;
Described can clipping inflow and outflow container, including matrix and for described matrix is connected to described Fracture Networks seepage flow dress
The clamping part put, described matrix is provided with the input/output passage of liquid communication;Described input/output passage end is with described
Fracture Networks seepage apparatus connects, and the other end is connected with the aqueduct of the water side of described syringe pump, and described input/output is led to
The 3rd valve it is provided with between the water side of road and described syringe pump;
Described Fracture Networks seepage apparatus, has at least two including the two pieces of first identical glass plates and a piece compressing model
Second glass plate of the Fracture Networks in crack, described second glass plate between described two piece of first glass plate, and described
The edge position seals that one glass plate contacts with each other with described two piece of second glass plate;Wherein, described second glass plate
Edge at least two part protrudes from described two piece of first glass plate, forms at least two protuberance;
The shape of described clamping part adapts with described protuberance, can be clamped in described by clipping inflow and outflow container by described
The protuberance of Fracture Networks seepage apparatus, makes described input/output passage connect with a crack in described Fracture Networks, and
The marginal position that described clamping part contacts with described protuberance seals.
Coarse Fracture Networks seepage flow quantitative visualization analog systems the most according to claim 1, it is characterised in that also include
CCD camera systems, this system includes:
One CCD camera, is positioned at above described Fracture Networks seepage apparatus, obtains for taking pictures described Fracture Networks seepage apparatus
Take the image of described Fracture Networks;Wherein said image is when injecting the coloured dye liquor of band in crack and being full of whole fracture network
Image during network;
First computer, is connected with described CCD camera, for processing the image of described Fracture Networks, it is thus achieved that crack table
The crack mechanics aperture of face shape coordinate data and diverse location.
Coarse Fracture Networks seepage flow quantitative visualization analog systems the most according to claim 2, it is characterised in that also include
Water seepage weighing system, including:
Container, for collecting the crack water seepage in described Fracture Networks seepage apparatus;
Electronic scale, described container is placed on it, the weight data of water seepage in described container of weighing;
Second computer, is connected with described electronic scale, is used for recording described weight data.
Coarse Fracture Networks seepage flow quantitative visualization analog systems the most according to claim 3, it is characterised in that this system
Also include water pressure acquisition system, including:
Miniature osmometer, is embedded at and described can be used for detecting described input/output and lead on the matrix of clipping inflow and outflow container
The pressure of the liquid of circulation in road;
Data collecting instrument, is connected with described miniature osmometer, is used for gathering described pressure;
3rd computer, is connected with described data collecting instrument, is used for recording described pressure.
5., according to the coarse Fracture Networks seepage flow quantitative visualization analog systems described in any one of claim 1-4, its feature exists
In, it is additionally provided with defecator between described water source device and described syringe pump, for filtering off the water source entering described Fracture Networks
In impurity.
Coarse Fracture Networks seepage flow quantitative visualization analog systems the most according to claim 5, it is characterised in that described
Crack in two glass plates along the second glass plate thickness direction completely through, described Fracture Networks is reservation shape
Fracture Networks or by described second glass plate apply physics hit and the Fracture Networks of self-assembling formation.
Coarse Fracture Networks seepage flow quantitative visualization analog systems the most according to claim 4, it is characterised in that described in split
Described protuberance on gap network seepage device has four, and wherein each two protuberance constitutes input and output as one group
End;
The input of two groups connects respectively can clipping inflow and outflow container described in one;The outfan of two groups connects one respectively
Second can clipping inflow and outflow container;
Wherein, each described second can clipping inflow and outflow container with described can clipping inflow and outflow structure of container identical,
Input/output passage end on its matrix is connected with the outfan of described Fracture Networks seepage apparatus, and the other end connects bending
Aqueduct, described bending aqueduct is provided with the 4th valve and end is positioned at above described container;
Corresponding, described container has two, and that collects that the outfan of in described Fracture Networks seepage apparatus two groups flows out respectively splits
Gap water seepage;Being respectively provided with an electronic scale under each container, each electronic scale is connected to described second computer.
Coarse Fracture Networks seepage flow quantitative visualization analog systems the most according to claim 7, it is characterised in that described can
The clamping part rectangular groove-like structure of clipping inflow and outflow container, the protuberance of described second glass plate stretches into described groove
Back edge position seals.
9. the side that the coarse Fracture Networks seepage flow quantitative visualization analog systems utilized described in claim 8 carries out testing
Method, it is characterised in that include tests below step:
1) cooperation of described first valve, the second valve, the 3rd valve and syringe pump is utilized to inject red in described Fracture Networks
Color dye liquor, until being full of Fracture Networks, utilizes described CCD camera to take pictures along whole Fracture Networks surface, splits described in acquisition
The image of gap network, the image of described Fracture Networks is processed by described first computer, it is thus achieved that fracture surface shape coordinate
The crack mechanics aperture of data and diverse location;
2) water source is changed to pure water, opens the first valve and pure water is stored in syringe pump, then open the second valve and
3rd valve, closes in the crack that pure water is injected on described Fracture Networks seepage apparatus by the first valve, wherein said injection
Pump water filling in crack with firm discharge or fixing water pressure, is acquired by described water pressure acquisition system and is monitored hydraulic pressure
Power, the most described water seepage weighing system works, carries out data acquisition;
3) when after described pure water seepage stability, water source being replaced with orcein dye and injecting on described Fracture Networks seepage apparatus
Crack in, open described CCD camera simultaneously and whole Fracture Networks taken pictures, red by the photo analysis record obtained
Dye liquor flow event in Fracture Networks and/or law characteristic.
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