CN111398185A - Simulation collapse area crack preferential flow survey system based on tracer technique - Google Patents
Simulation collapse area crack preferential flow survey system based on tracer technique Download PDFInfo
- Publication number
- CN111398185A CN111398185A CN202010272289.8A CN202010272289A CN111398185A CN 111398185 A CN111398185 A CN 111398185A CN 202010272289 A CN202010272289 A CN 202010272289A CN 111398185 A CN111398185 A CN 111398185A
- Authority
- CN
- China
- Prior art keywords
- preferential flow
- simulated
- infiltration
- section
- dyeing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000700 radioactive tracer Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 13
- 238000004088 simulation Methods 0.000 title claims description 13
- 238000001764 infiltration Methods 0.000 claims abstract description 52
- 230000008595 infiltration Effects 0.000 claims abstract description 52
- 238000004043 dyeing Methods 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 32
- 239000002689 soil Substances 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 12
- 238000010586 diagram Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 238000010186 staining Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Geology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a tracer-technology-based determination system for preferential flow of cracks in a simulated subsidence area, which comprises an infiltration and dyeing tracer module, a picture acquisition module, a picture processing module, a data processing module and a preferential flow determination module, wherein the infiltration and dyeing tracer module is used for carrying out infiltration test on the simulated subsidence area by using a double-ring infiltration instrument and a dyeing tracer agent, the picture acquisition module is used for acquiring a simulated subsidence area crack section picture after dyeing tracing, the picture processing module is used for carrying out image processing on the simulated subsidence area crack section picture to draw a transverse and longitudinal section dye distribution map, and the data processing module analyzes a preferential flow form; the system of the invention utilizes the tracer technology of the annular infiltration instrument and the dyeing tracer to carry out the determination of the preferential flow of the simulated subsidence area crack, can quickly and conveniently obtain the distribution characteristic of the preferential flow on the soil profile, carries out the determination of the preferential flow based on the unbalanced characteristic and the complex fractal characteristic of the preferential flow of the simulated subsidence area crack, and has more scientific result.
Description
Technical Field
The invention relates to the field of underground water engineering, in particular to a collapse area crack priority flow simulation determination system based on a tracing technology.
Background
The preferential flow is a common soil moisture migration mode, is a mark of the field of soil water movement mechanism research from homogeneity to heterogeneity, and is used for describing the non-equilibrium flow process occurring under various environmental conditions. The existence of the preferential flow enables the water to flow through the upper soil layer quickly mainly under the influence of gravity and the preferential path to interact with the surrounding sudden matrix very little, so that the water and the solute can quickly reach the deep soil layer through the preferential path, the threat of groundwater pollution is increased, and the surface runoff is generated. The water and soil loss and the reserve of deep underground water have great influence and play an important role in the hydrological process of a flowing area.
At present, a determination system for the preferential flow of the cracks in the subsidence area is not complete enough, the system cannot accurately judge and analyze the type of the preferential flow, and the determination result of the preferential flow of the cracks in the subsidence area is not accurate due to the influence of the unbalanced characteristic and the complex fractal characteristic of the preferential flow of the cracks on the quantification difficulty.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a collapse area crack priority flow simulation determination system based on a tracing technology, which can rapidly and conveniently obtain the distribution characteristics of priority flow on a soil profile by performing collapse area crack priority flow simulation determination through the tracing technology of an annular infiltration instrument and a dyeing tracer, and performs priority flow determination based on the unbalanced characteristics and the complex fractal characteristics of the collapse area crack priority flow simulation, so that the determination result is more scientific.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme:
the utility model provides a simulation district crack preferential flow survey system that sinks based on tracer technique, acquires module, picture processing module, data processing module and preferential flow survey module including infiltration and dyeing spike module, picture, infiltration and dyeing spike module are used for utilizing two ring infiltration appearance and dyeing tracer to carry out the infiltration experiment to the simulation district that sinks, obtain infiltration liquid level height and play flow liquid volume, the picture acquires the module and is used for gathering the simulation district crack section picture that sinks after the dyeing spike, picture processing module is used for carrying out image processing to simulation district crack section picture that sinks, draws the horizontal and vertical section dye distribution diagram that has the scale, data processing module is used for drawing the horizontal and vertical section dye distribution diagram that has the scale to picture processing module and carries out the analysis, analyzes out the preferential flow form according to dyeing result analysis, the preferential flow form that preferential flow survey module goes out according to data processing module judges out the simulation district crack that sinks and excels in the priority flow The unbalanced characteristic and the complex fractal characteristic of the first flow are measured, and then whether the simulated collapse area fracture priority flow is the collapse area fracture priority flow in a natural state or the collapse area fracture priority flow under human engineering is measured.
The further improvement lies in that: when the infiltration and dyeing tracer module is used for carrying out an infiltration test on a simulated collapse area by using a double-ring infiltration instrument and a dyeing tracer, the dyeing tracer adopts a bright blue coloring agent with the concentration of 4g/l, the soil needs to be covered by using plastic cloth after the infiltration test is finished, and a gap of 5cm between the plastic cloth and the surface of the soil is kept for ensuring the free flow of air.
The further improvement lies in that: when the image acquisition module acquires a fracture section image of a simulated subsidence area, firstly, excavating a section of soil subjected to an infiltration test for 24 hours, then acquiring the section image by using a camera, and storing the section image.
The further improvement lies in that: when the image acquisition module excavates the section, the longitudinal section and the cross section need to be excavated, and photographing records are carried out every 1cm when the longitudinal section and the cross section are excavated until sudden longitudinal section and cross section staining disappears.
The further improvement lies in that: when the image processing module carries out image processing, firstly, the collected section picture is cut and corrected, then, the color of the section picture is adjusted, the undyed part is filtered out, only the dyed part is reserved, and the dyed areas of the longitudinal section and the transverse section are further classified according to different dyed colors and are divided into two grades of dark blue and light blue.
The further improvement lies in that: when the picture processing module draws the dye distribution map with scale on the transverse and longitudinal sections, the area of an actual dyeing area on the section picture is converted into the dyeing percentage of the area of the whole section picture, the height of an infiltration liquid level and the volume of an outflow liquid are converted into an infiltration rate, an outflow rate, an accumulated infiltration amount and an accumulated outflow rate, and then the dye distribution map with scale on the transverse and longitudinal sections is drawn by utilizing SIGMA-Plot10.0 software according to the dyeing percentage, the infiltration rate, the outflow rate, the accumulated infiltration amount and the accumulated outflow rate.
The further improvement lies in that: when the preferential flow determination module root determines the unbalanced characteristic and the complex fractal characteristic of the simulated collapse area crack preferential flow, the length, the width, the depth, the number of nodes, the number of block areas, the cross angle distribution, the block area dispersity and the average curvature of the crack preferential flow in the unbalanced characteristic and the complex fractal characteristic need to be determined.
The further improvement lies in that: the preferential flow determination module determines that the surface cracks of the soil are in net-shaped staggered distribution and have anisotropic cracks, multiple staggered sub-cracks and micro-cracks are distributed on two sides of the cracks, the cracks are in an approximately parallel distribution state or in any two or more than two of strip-shaped states, and then the preferential flow of the cracks in the simulated collapse area is the preferential flow of the cracks in the collapse area in a natural state.
The further improvement lies in that: the preferential flow determination module determines that the surface crack of the soil is a large single crack, a plurality of strip-shaped small cracks are distributed on two sides of the crack, or the edges of the cracks are distributed approximately in parallel and in any one or two states of strip shapes, and then the simulated subsidence area crack preferential flow is the subsidence area crack preferential flow under the human engineering.
The invention has the beneficial effects that: the system of the invention carries out the determination of the preferential flow of the simulated subsidence area crack by utilizing the tracer technology of the annular infiltration instrument and the dyeing tracer, can quickly and conveniently obtain the distribution characteristics of the preferential flow on the soil profile, has important significance for determining the type of the preferential flow, carries out the preferential flow determination based on the unbalanced characteristics and the complex fractal characteristics of the simulated subsidence area crack preferential flow, and has more scientific determination result and good stability of the determination result.
Drawings
FIG. 1 is a schematic diagram of the system framework of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to fig. 1, the embodiment provides a system for measuring a preferential flow of a fracture in a simulated subsidence area based on a tracing technology, which includes an infiltration and dyeing tracing module, an image obtaining module, an image processing module, a data processing module and a preferential flow measuring module;
the infiltration and dyeing tracer module is used for carrying out infiltration test on the simulated collapse area by utilizing the double-ring infiltration instrument and the dyeing tracer agent to obtain the height of an infiltration liquid level and the volume of an outflow liquid, and when the infiltration test is carried out on the simulated collapse area by utilizing the double-ring infiltration instrument and the dyeing tracer agent, the concentration of the dyeing tracer agent is 4.0kg/cm3After the infiltration test is finished, the soil needs to be covered by plastic cloth, and a gap of 5cm is kept between the plastic cloth and the surface of the soil for ensuring free flow of air;
the image acquisition module is used for acquiring a fracture section image of the simulated subsidence area after dyeing tracing, firstly, excavating a section of soil after 24 hours of an infiltration test, wherein a longitudinal section and a transverse section need to be excavated during the section excavation, photographing recording is carried out every 1cm during the longitudinal section and the transverse section excavation until sudden longitudinal section and transverse section dyeing disappears, and then a camera is used for acquiring the section image and storing the section image;
the image processing module is used for carrying out image processing on a fracture section picture of a simulated collapse area, firstly, the collected section picture is cut and corrected, then, the color of the section picture is adjusted, an undyed part is filtered out, only a dyed part is reserved, dyed areas of a longitudinal section and a transverse section are further classified according to different dyed colors and divided into two grades of deep blue and light blue, then, the area of an actual dyed area on the section picture is converted into the dyeing percentage of the area of the whole section picture, the height of an infiltration liquid level and the volume of outflow liquid are converted into an infiltration rate, an outflow rate, an accumulated infiltration amount and an accumulated outflow rate, and then, according to the dyeing percentage, the infiltration rate, the outflow rate, the accumulated infiltration amount and the accumulated outflow rate, a dye distribution diagram with scales of the longitudinal section is drawn by utilizing SIGMA-PLOT10.0 software;
the data processing module is used for analyzing a horizontal and vertical section dye distribution diagram with scales drawn by the picture processing module and analyzing a priority flow form according to a dyeing result;
the preferential flow determination module judges the unbalanced characteristic and the complex fractal characteristic of the simulation subsidence area crack preferential flow according to the preferential flow form analyzed by the data processing module, and needs to determine the length, the width, the depth, the number of nodes, the number of block areas, the cross angle distribution, the block area dispersity and the average curvature of the crack preferential flow in the unbalanced characteristic and the complex fractal characteristic, then determining whether the preferential flow of the simulated collapse area cracks is the preferential flow of the collapse area cracks in the natural state or the preferential flow of the collapse area cracks under human engineering, when the surface cracks of the soil are determined to be in net-shaped staggered distribution and have anisotropic cracks, a plurality of staggered sub-cracks and micro-cracks are distributed on two sides of the cracks, the cracks are in an approximately parallel distribution state or the cracks are in any two or more than two states of a strip shape, the preferential flow of the cracks in the subsidence area is simulated to be the preferential flow of the cracks in the subsidence area in a natural state; when the surface crack of the soil is determined to be a large single crack, a plurality of strip-shaped small cracks are distributed on two sides of the crack, or the edges of the cracks are distributed approximately in parallel and in any one or two states of strips, the preferential flow of the crack in the simulated subsidence area is the preferential flow of the crack in the subsidence area under the human engineering.
The system of the invention carries out the determination of the preferential flow of the simulated subsidence area crack by utilizing the tracer technology of the annular infiltration instrument and the dyeing tracer, can quickly and conveniently obtain the distribution characteristics of the preferential flow on the soil profile, has important significance for determining the type of the preferential flow, carries out the preferential flow determination based on the unbalanced characteristics and the complex fractal characteristics of the simulated subsidence area crack preferential flow, and has more scientific determination result and good stability of the determination result.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A simulation collapse area crack priority flow survey system based on tracer technique which characterized in that: the device comprises an infiltration and dyeing tracing module, a picture acquisition module, a picture processing module, a data processing module and a priority flow determination module, wherein the infiltration and dyeing tracing module is used for carrying out infiltration test on a simulated subsidence area by using a double-ring infiltration instrument and a dyeing tracer agent to obtain the height of an infiltration liquid level and the volume of effluent liquid, the picture acquisition module is used for acquiring the fracture profile picture of the simulated subsidence area after dyeing tracing, the picture processing module is used for carrying out image processing on the fracture profile picture of the simulated subsidence area and drawing a transverse and longitudinal profile dye distribution diagram with scales, the data processing module is used for drawing the transverse and longitudinal profile dye distribution diagram with scales for analyzing the picture processing module and analyzing the transverse and longitudinal profile dye distribution diagram with scales according to a dyeing result, the priority flow determination module judges the unbalanced characteristic and the complex fractal characteristic of the priority flow of the fracture of the simulated subsidence area according to the priority flow form analyzed by the data processing module, and then determining whether the preferential flow of the simulated collapse zone fracture is the preferential flow of the collapse zone fracture in the natural state or the preferential flow of the collapse zone fracture in the human engineering.
2. The system for determining the preferential flow of the fracture in the simulated collapse zone based on the tracer technique as claimed in claim 1, wherein: when the infiltration and dyeing tracer module is used for carrying out an infiltration test on a simulated collapse area by using a double-ring infiltration instrument and a dyeing tracer, the dyeing tracer adopts a bright blue coloring agent with the concentration of 4g/l, the soil needs to be covered by using plastic cloth after the infiltration test is finished, and a gap of 5cm between the plastic cloth and the surface of the soil is kept for ensuring the free flow of air.
3. The system for determining the preferential flow of the fracture in the simulated collapse zone based on the tracer technique as claimed in claim 1, wherein: when the image acquisition module acquires a fracture section image of a simulated subsidence area, firstly, excavating a section of soil subjected to an infiltration test for 24 hours, then acquiring the section image by using a camera, and storing the section image.
4. A tracer-technology-based determination system for simulating preferential flow of fractures in a subsidence area, according to claim 3, wherein: when the image acquisition module excavates the section, the longitudinal section and the cross section need to be excavated, and photographing records are carried out every 1cm when the longitudinal section and the cross section are excavated until sudden longitudinal section and cross section staining disappears.
5. The system for determining the preferential flow of the fracture in the simulated collapse zone based on the tracer technique as claimed in claim 4, wherein: when the image processing module carries out image processing, firstly, the collected section picture is cut and corrected, then, the color of the section picture is adjusted, the undyed part is filtered out, only the dyed part is reserved, and the dyed areas of the longitudinal section and the transverse section are further classified according to different dyed colors and are divided into two grades of dark blue and light blue.
6. The system for determining the preferential flow of the fracture in the simulated collapse zone based on the tracer technique as claimed in claim 1, wherein: when the picture processing module draws the dye distribution map with scale on the transverse and longitudinal sections, the area of an actual dyeing area on the section picture is converted into the dyeing percentage of the area of the whole section picture, the height of an infiltration liquid level and the volume of an outflow liquid are converted into an infiltration rate, an outflow rate, an accumulated infiltration amount and an accumulated outflow rate, and then the dye distribution map with scale on the transverse and longitudinal sections is drawn by utilizing SIGMA-Plot10.0 software according to the dyeing percentage, the infiltration rate, the outflow rate, the accumulated infiltration amount and the accumulated outflow rate.
7. The system for determining the preferential flow of the fracture in the simulated collapse zone based on the tracer technique as claimed in claim 1, wherein: when the preferential flow determination module root determines the unbalanced characteristic and the complex fractal characteristic of the simulated collapse area crack preferential flow, the length, the width, the depth, the number of nodes, the number of block areas, the cross angle distribution, the block area dispersity and the average curvature of the crack preferential flow in the unbalanced characteristic and the complex fractal characteristic need to be determined.
8. The system for determining the preferential flow of the fracture in the simulated collapse zone based on the tracer technique as claimed in claim 1, wherein: the preferential flow determination module determines that the surface cracks of the soil are in net-shaped staggered distribution and have anisotropic cracks, multiple staggered sub-cracks and micro-cracks are distributed on two sides of the cracks, the cracks are in an approximately parallel distribution state or in any two or more than two of strip-shaped states, and then the preferential flow of the cracks in the simulated collapse area is the preferential flow of the cracks in the collapse area in a natural state.
9. The system for determining the preferential flow of the fracture in the simulated collapse zone based on the tracer technique as claimed in claim 1, wherein: the preferential flow determination module determines that the surface crack of the soil is a large single crack, a plurality of strip-shaped small cracks are distributed on two sides of the crack, or the edges of the cracks are distributed approximately in parallel and in any one or two states of strip shapes, and then the simulated subsidence area crack preferential flow is the subsidence area crack preferential flow under the human engineering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010272289.8A CN111398185A (en) | 2020-04-09 | 2020-04-09 | Simulation collapse area crack preferential flow survey system based on tracer technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010272289.8A CN111398185A (en) | 2020-04-09 | 2020-04-09 | Simulation collapse area crack preferential flow survey system based on tracer technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111398185A true CN111398185A (en) | 2020-07-10 |
Family
ID=71431574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010272289.8A Pending CN111398185A (en) | 2020-04-09 | 2020-04-09 | Simulation collapse area crack preferential flow survey system based on tracer technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111398185A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206208708U (en) * | 2016-10-24 | 2017-05-31 | 中国水利水电科学研究院 | A kind of analogue means of " binary " structure hole clearance flow |
| CN109297868A (en) * | 2018-08-16 | 2019-02-01 | 中国水利水电科学研究院 | A kind of preferential flow assay methods based on high-definition image, device and system |
| CN109521014A (en) * | 2018-10-08 | 2019-03-26 | 中国水利水电科学研究院 | A method of evaluating native stone binary medium matrix stream, preferential process degree |
| CN109540935A (en) * | 2018-12-28 | 2019-03-29 | 长安大学 | For CT scan intact loess flow priority state observation device and application method |
| CN109709015A (en) * | 2018-12-25 | 2019-05-03 | 河海大学 | It is a kind of can the preferential flow phenomenon of quantitative description kinematic infiltration method |
| CN109752303A (en) * | 2019-01-22 | 2019-05-14 | 河南城建学院 | A kind of discontinuous unsaturated soil rainfall infiltration physical simulation system and measuring method |
| CN110231339A (en) * | 2019-07-10 | 2019-09-13 | 济南大学 | A kind of method and system hindering control and the evaluation preferential process degree of soil |
| CN110241890A (en) * | 2019-05-20 | 2019-09-17 | 河南城建学院 | A kind of ground water recharge replenishment system preferentially flowed for measuring subsidence area crack |
-
2020
- 2020-04-09 CN CN202010272289.8A patent/CN111398185A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206208708U (en) * | 2016-10-24 | 2017-05-31 | 中国水利水电科学研究院 | A kind of analogue means of " binary " structure hole clearance flow |
| CN109297868A (en) * | 2018-08-16 | 2019-02-01 | 中国水利水电科学研究院 | A kind of preferential flow assay methods based on high-definition image, device and system |
| CN109521014A (en) * | 2018-10-08 | 2019-03-26 | 中国水利水电科学研究院 | A method of evaluating native stone binary medium matrix stream, preferential process degree |
| CN109709015A (en) * | 2018-12-25 | 2019-05-03 | 河海大学 | It is a kind of can the preferential flow phenomenon of quantitative description kinematic infiltration method |
| CN109540935A (en) * | 2018-12-28 | 2019-03-29 | 长安大学 | For CT scan intact loess flow priority state observation device and application method |
| CN109752303A (en) * | 2019-01-22 | 2019-05-14 | 河南城建学院 | A kind of discontinuous unsaturated soil rainfall infiltration physical simulation system and measuring method |
| CN110241890A (en) * | 2019-05-20 | 2019-09-17 | 河南城建学院 | A kind of ground water recharge replenishment system preferentially flowed for measuring subsidence area crack |
| CN110231339A (en) * | 2019-07-10 | 2019-09-13 | 济南大学 | A kind of method and system hindering control and the evaluation preferential process degree of soil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Romanov et al. | Dam sites in soluble rocks: a model of increasing leakage by dissolutional widening of fractures beneath a dam | |
| CN204315152U (en) | Phreatic well flood-pot-test device | |
| Maurice et al. | The nature and distribution of flowing features in a weakly karstified porous limestone aquifer | |
| CN103114514A (en) | Grooved texture depth detection algorithm for cement concrete pavement | |
| CN104007248A (en) | Method for constructing water and soil erosion coupling model in karst region and application thereof | |
| Hangen et al. | Flow path visualization in a lignitic mine soil using iodine–starch staining | |
| CN105134185A (en) | Reservoir fluid property identification method | |
| CN116756807A (en) | Linear underground engineering water inflow numerical prediction method in coupling construction process | |
| CN108830871A (en) | Extracting method is automated based on the loess shallow ridges of high-resolution remote sensing image and DEM | |
| CN108414573A (en) | A kind of Stability Analysis Methods for Evaluating Landslide based on electrical method and numerical simulation | |
| CN115979900A (en) | Underground water circulation factor monitoring method based on northern full-drainage karst springs | |
| Petrič | Characteristics of recharge-discharge relations in karst aquifer | |
| CN111398185A (en) | Simulation collapse area crack preferential flow survey system based on tracer technique | |
| CN107290129B (en) | A kind of slope surface hydraulics model test flow field observation system and method | |
| CN111397663A (en) | Method for judging development degree of karst according to temperature of underground water | |
| CN105137042A (en) | Method and device for determining construction position of water storage project on Karst slope | |
| CN107576603A (en) | Testing method for monitoring seepage and stress coupling in tailing dam | |
| CN110132964A (en) | A method of extracting deserta root system Preferential flow motion process | |
| CN215910477U (en) | System for field in-situ observation of slope runoff-substrate flow-preferential flow water migration | |
| Yanna et al. | Karstic conduits and watershed identification based on the morphological characteristics of depressions in the Yunnan–Guizhou Plateau of China | |
| Gopinath et al. | Geomorphological analysis of tropical river basins in southern Kerala using hypsometric indices and neotectonic proxies | |
| CN114120124A (en) | Method for identifying wetland boundary | |
| Diestel | Saturated flow and soil structure: a review of the subject and laboratory experiments on the basic relationships | |
| CN210720383U (en) | A soil and water leakage analogue means for stony desertification area | |
| CN113406300A (en) | System and method for field in-situ observation of slope runoff-substrate flow-preferential running water sub-transportation process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200710 |
|
| RJ01 | Rejection of invention patent application after publication |