CN110820813A - Vegetation slope protection model test device and method under simulated rainfall condition - Google Patents
Vegetation slope protection model test device and method under simulated rainfall condition Download PDFInfo
- Publication number
- CN110820813A CN110820813A CN201911051908.4A CN201911051908A CN110820813A CN 110820813 A CN110820813 A CN 110820813A CN 201911051908 A CN201911051908 A CN 201911051908A CN 110820813 A CN110820813 A CN 110820813A
- Authority
- CN
- China
- Prior art keywords
- rainfall
- vegetation
- model
- test device
- slope protection
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- 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
Abstract
The invention relates to a vegetation slope protection model test device under a rainfall simulation condition, which comprises a model box (1), water tanks (4) at two sides of the model box (1), a hoisting assembly (10) on the model box (1), rainfall assemblies (8) outside the model box (1) and a camera (9), and further comprises at least one partition plate (2), wherein two guide grooves (3) are horizontally arranged on two side plates of the model box (1) connected with the water tanks (4), shaft sleeves (11) with the same number as that of the partition plates (2) are arranged in each guide groove (3) in a sliding manner, two fixing through holes are respectively formed in two sides of each partition plate (2), the partition plates (2) are hinged with the shaft sleeves (11) through the two fixing through holes, and two hoisting holes for hoisting the hoisting assemblies (10) to hoist the partition plates (2) are further formed in the partition plates (2). Compared with the prior art, the invention has the advantages of high efficiency, wide application range, simple operation and the like.
Description
Technical Field
The invention relates to a geotechnical foundation pit engineering technology, in particular to a vegetation slope protection model test device and method under a simulated rainfall condition.
Background
With the vigorous development of the economy of China, capital construction works are carried out on a large scale in the whole country, most areas of China belong to subtropical/temperate monsoon climates, extreme weather phenomena such as typhoon, rainstorm and the like often occur in summer, a large amount of concentrated rainfall amount has great threat to temporary side slopes in the excavation process of foundation pits, the urban foundation pit disaster accidents are easily induced, and environmental damage and economic loss are caused, so that a proper side slope reinforcement method is required. The foundation pit slope stability research is to ensure that the foundation pit slope instability does not occur in the engineering and ensure the safety and the smooth construction progress in the construction process. Aiming at temporary side slopes, the reinforcing method adopted in foundation pit engineering at present is a mode of paving a reinforcing mesh, spraying concrete and the like, but the engineering quantity implemented by the modes is higher in cost, and compared with the mode of vegetation slope protection, the mode is more economic and the construction difficulty is low. However, the assumption of vegetation reinforcement of the temporary slope of the foundation pit needs to be carried out by a vegetation slope protection model test, and especially, the model of vegetation slope protection effect is analyzed under the condition of heavy rainfall.
At present, model tests aiming at vegetation slope protection research have certain defects, and mainly have the following problems:
firstly, most model boxes used in model tests are too simple in structure, one model box can only simulate one type of vegetation, and auxiliary facilities such as jacks are needed for simulating the slope of the side slope;
secondly, the water flow in and out of the model box is difficult to be freely controlled, complex condition simulation is difficult to be carried out, the model tests can only measure the soil loss and the runoff, the measurable data is actually too limited, and most of the data are researches on the aspect of agriculture, so that the stability observation and analysis of the side slope and the real observation of the growth and development of the vegetation root system are difficult to be carried out;
thirdly, most of the test models aiming at the slope stability under the rainfall condition have single rainfall condition, and the process of controlling and simulating the complex test environment is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a vegetation slope protection model test device and method under the condition of simulated rainfall.
The purpose of the invention can be realized by the following technical scheme:
a vegetation slope protection model test device under the simulated rainfall condition comprises a model box, water tanks on two sides of the model box, rainfall assemblies and cameras outside the model box and partition plates, wherein the number of the partition plates is at least one, each hoisting assembly comprises a rope and a pulley, and the cameras are arranged above and on two sides of the model box;
the utility model discloses a water tank, including mold box, baffle, lifting component, baffle, guide slot, baffle, lifting component, the mold box be connected with the basin two curb plates on each level set up a guide slot, slidable mounting has the axle sleeve with the same quantity of baffle in every guide slot, the both sides of every baffle respectively open and have a fixed through hole, the baffle articulated with two axle sleeves through two fixed through holes, the baffle on still open two lewis holes that have the symmetry to set up, lifting component set up in mold box top and accessible hanging up the baffle on the lewis hole, two baffles can slide along the guide slot or reciprocate after being hung up by lifting component, realize the removal of upper and lower and fore-and-aft direction.
When the partition board is disassembled, firstly, the fixed through holes in the partition board are disconnected with the shaft sleeves in the shaft sleeve guide grooves, then the partition board is disassembled by hoisting the partition board through the hoisting assembly, the hoisting assembly comprises a hoisting frame, a rope and a fixed pulley on the hoisting frame, the hoisting frame is connected with the top of the model box, and the motor pulls up the partition board through the rope bypassing the fixed pulley.
Furthermore, waterproof pads are plugged between the model box and the partition plates after the partition plates are fixed, and the fact that all parts are not affected mutually due to water seepage of the partition plates in a test is guaranteed.
Furthermore, the rainfall subassembly include precipitation frame and the feed tank, high-pressure atomizing water pump, regulation and control switch and the rainfall shower nozzle that connect gradually through the raceway, the precipitation frame be located the mold box top, a precipitation frame is arranged at the interval of setting for the distance along length direction to the precipitation frame, the each region at the precipitation frame is installed in a flexible way to the rainfall shower nozzle.
Furthermore, a plurality of water permeable holes are uniformly arranged on the side plate between the model box and the water tank so as to prevent soil particles from losing and permeate water mutually, high-density water permeable gauze is arranged along the plate wall, the water permeable hole at the lowest layer is positioned at the bottom of the model box, the water permeable holes can realize free flow of water between the model box and the water tank, and the water tank bottom is provided with a water tap for efficiently and conveniently discharging water in the model box and the water tank after the test is finished.
Furthermore, the material of mold box and basin be transparent light toughened glass, be convenient for observe the root system growth condition of vegetation and the deformation condition of side slope, mold box bottom install 360 diverting pulley, be convenient for mold box's removal.
A test method of the vegetation slope protection model test device under the condition of simulated rainfall comprises the following steps:
s1: laying soil samples in a model box according to a slope model expected by a test, installing at least one partition plate, dividing the model box into a plurality of parts, planting different types of vegetation on the slope of the soil samples in each part correspondingly, shooting photos of the vegetation by a camera according to a preset period, measuring the root length of the vegetation through the model box, and recording the growth condition of the vegetation;
s2: rainfall is carried out through the rainfall assembly after the growth degree of all vegetation reaches the standard, the switch and the water pressure of the high-pressure atomizing water pump are controlled through a regulating switch so as to regulate the rainfall capacity and the rainfall type of a rainfall sprayer, the time from the beginning of rainfall to the slope damage of the slope under the protection of different vegetation is counted, and simultaneously, a mud-water mixture flowing down the slope is collected;
s3: the effect of different types of vegetation on keeping soil particles is comprehensively evaluated by analyzing the measured root length of the vegetation and the quality of soil particles left after drying the mud-water mixture.
Compared with the prior art, the invention has the following beneficial effects:
(1) the side plate of the model box connected with the water tank is horizontally provided with the pair of guide grooves, one or more shaft sleeves are arranged in each guide groove, the corresponding number of partition plates are correspondingly arranged in the model box, the partition plates divide the model box into a plurality of spaces, a plurality of model tests can be simultaneously carried out, the test efficiency is greatly improved, two sides of each partition plate are provided with the fixing through holes, the partition plates are hinged with the shaft sleeves through the fixing through holes, the partition plates can move along the guide grooves in any scales, the size of each space can be freely adjusted, meanwhile, the partition plates are connected with the lifting holes arranged on the partition plates in a matched mode through the lifting assemblies, the partition plates are easily lifted up and down, and the whole test device is flexible to adjust, simple in structure, high in efficiency and low in cost due to the fact that the shaft sleeves are hinged with;
(2) according to the invention, the side plate of the model box connected with the water tank is provided with a plurality of water permeable holes, the high-density water permeable gauze is arranged along the plate wall, and the water faucet is arranged at the bottommost part of the water tank, so that the water flow of the whole device is smooth and efficient, and meanwhile, the water level in the water tank is adjusted through the cooperation of the water faucet, so that the water flow in and out of the model box and the water pressure in a model line are conveniently controlled, the device can be applied to vegetation slope protection model tests under complex simulation conditions such as water pressure change and the like;
(3) the model box and the water tank are made of transparent light toughened glass, the device is light in weight and convenient for observing the root growth condition of vegetation and the deformation condition of a side slope and collecting test photos, and meanwhile, the 360-degree steering pulley is arranged at the bottom of the model box, so that the model box is flexible and convenient to move and move.
(4) The rainfall assembly is composed of the rainfall frame, the water supply tank, the high-pressure atomizing water pump, the regulating switch and the rainfall spray head which are sequentially connected through the water conveying pipe, the rainfall frame is arranged at intervals of a set distance along the length direction, the rainfall spray head is flexibly installed in each area of the rainfall frame, and meanwhile, the water pressure can be controlled through the high-pressure atomizing water pump, so that vegetation slope protection model tests of different rainfall intensities, rainfall types and rainfall areas can be realized.
Drawings
FIG. 1 is a schematic front view of the device;
FIG. 2 is a front view of the mold box and rainfall apparatus;
FIG. 3 is a schematic view of a water permeable opening between the mold box and the water tank;
FIG. 4 is a schematic view of a partition plate lifting device;
FIG. 5 is a top view of the mold box;
FIG. 6 is a schematic view of a removable bolt for the spacer.
The reference numbers in the figures illustrate:
1-a model box, 2-a partition plate, 3-a guide groove, 4-a water tank, 5-a water permeable hole, 6-a water faucet, 7-a pulley, 8-a rainfall component, 9-a camera, 10-a hoisting component and 11-a shaft sleeve.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A vegetation slope protection model test device under the simulated rainfall condition comprises a model box 1, water tanks 4 at two sides of the model box 1, rainfall assemblies 8 and cameras 9 outside the model box 1, a hoisting assembly 10 and two clapboards 2, wherein the hoisting assembly 10 comprises ropes and pulleys, the model box 1 is 2m multiplied by 1.2m multiplied by 1m in size, the two water tanks 4 are 0.2m multiplied by 1.2m multiplied by 1m in size, the clapboards 2 are 2m multiplied by 1m multiplied by 0.01m in size, and the distance between the clapboards 2 is 0.4 m.
As shown in fig. 3, 5 and 6, two guide grooves 3 are horizontally arranged on two side plates of the model box 1 connected with the water tank 4 respectively, two shaft sleeves 11 are arranged in each guide groove 3 in a sliding manner, two fixing through holes are arranged on two sides of each partition plate 2 respectively, and the partition plate 2 is hinged with the two shaft sleeves 11 through the two fixing through holes;
referring to fig. 3 and 4, the partition plate 2 is further provided with two symmetrically arranged hanging holes, and the hanging assembly 10 is arranged above the mold box 1 and can hang the partition plate 2 through the hanging holes on the partition plate 2.
And waterproof gaskets are inserted between the model box 1 and the partition plate 2 and between the partition plate 2 and the guide groove fixing device 3 for sealing and preventing water.
As shown in fig. 2, the rainfall module 8 includes a precipitation rack, a water supply tank, a high-pressure atomizing water pump, a regulating switch and a rainfall sprayer, which are sequentially connected through a water pipe, the precipitation rack is located above the model box 1, the plane size of the precipitation rack is 2.7m × 1.5m, the rainfall rack is arranged every 0.3m along the length direction, the rainfall sprayer does not need to be covered with the precipitation rack, and only the rainfall sprayer needs to cover the area of the model box 1 by 2m × 1.2 m.
The model box 1 and the water tank 4 are made of transparent toughened glass, a plurality of water permeable holes 5 are uniformly arranged on a side plate between the model box 1 and the water tank 4, and high-density water permeable gauze is arranged along the plate wall so as to prevent soil particles from losing and permeate water mutually, a steering pulley 7 is arranged at the bottom of the model box 1, and a water tap 6 is arranged at the bottom of the water tank 4 and used for efficiently and conveniently discharging water in the model box and the water tank after a test is finished;
the vertical interval of the permeable holes 5 is 0.1m, the distance between the uppermost row of permeable holes 5 and the top end of the side plate is 0.1m, the distance between the lowermost row of permeable holes and the bottom end of the side plate is 0.01m, 6 rows of permeable holes 5 are respectively arranged on two sides of the model box 1, each 2 row is a group, the transverse interval of the permeable holes 9 in one group is 0.133m, and the interval between each group is 0.266m
Example two
The test method adopting the vegetation slope protection model test device under the condition of simulated rainfall, which corresponds to the embodiment, comprises the following steps:
s1: as shown in fig. 2 and 5, a soil sample is laid in a model box 1 according to a slope model expected by a test, two partition plates 2 are installed to divide the model box 1 into three parts, three different vegetation are correspondingly planted on a slope of the soil sample, a camera 9 positively shoots photos of the vegetation according to a preset period, the root length of the vegetation is measured through the model box 1, and the growth conditions of the three vegetation are recorded;
s2: after the growth and development of the three types of vegetation are basically finished and the three types of vegetation have good ground gripping force, rainfall is carried out through the rainfall assembly 8, the switch and the water pressure of the high-pressure atomizing water pump are controlled through a control switch so as to adjust the rainfall capacity and the rainfall type of a rainfall sprayer, the time from the beginning of rainfall to the slope damage of the slope under the protection of different vegetation is counted, and simultaneously, a mud-water mixture flowing down the slope is collected;
s3: and systematically summarizing the data and images obtained in the test, and comprehensively evaluating the effects of the three different vegetation retaining soil particles in different rainfall modes or rainfall intensities by analyzing the measured root length of the vegetation and the quality of the soil particles left after drying the mud-water mixture by means of data processing software.
Wherein, the process of laying the soil sample in the model box 1 specifically is:
firstly, a leveling soil layer with the thickness of 0.6m is paved at the bottom of a model box 1, then a soil layer with the thickness of 0.4m is continuously paved within the range of 0.667m from a baffle plate at the right side of the model box 1, no soil layer is paved within the range of 0.667m from a baffle plate at the left side, and a side slope with the angle of 31 degrees is formed by paving the soil layer at the middle 0.667m part.
If the influence of the rainfall mode on the slope stability is to be researched, a plurality of groups of tests can be set, and the rainfall module 8 is utilized to set the rainfall mode to be a uniform type, a rainfall intensity increasing type, a rainfall intensity decreasing type, a strong middle type at the beginning and the end, a weak middle type at the beginning and the end, and the like;
if the influence of different rainfall intensities on the slope stability is to be researched, a uniform rainfall mode is kept, a plurality of groups of tests are set, different rainfall intensities are set by utilizing a rainfall control system, such as 20mm/h, 40mm/h or 60mm/h rainfall intensities, and the time from the beginning of rainfall to the slope damage of the slope under the protection of different vegetation under different rainfall intensities is counted, so that the effect of different vegetation on the slope stability and the influence of different rainfall intensities on the slope stability are evaluated.
The embodiment I and the embodiment II provide a vegetation slope protection model test device and method under the rainfall simulation condition, two partition plates for dividing a model box I into three are arranged in the model box, the test of 3 models can be carried out simultaneously, a pair of guide grooves are horizontally arranged on a side plate, connected with a water tank, of the model box, two ends of the upper part of each partition plate are slidably hinged and arranged in the guide grooves, the device is further provided with a hoisting assembly, the partition plates are connected with hoisting holes formed in the partition plates in a matched mode through the hoisting assembly, the partition plates are convenient and flexible to mount, dismount and move, the test efficiency is high, the device is simple in structure and low in cost.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a vegetation slope protection model test device under rainfall simulation condition, includes basin (4) of model case (1), model case (1) both sides, hoist and mount subassembly (10) on model case (1), rainfall subassembly (8) and camera (9) outside model case (1), its characterized in that, the device still includes at least one baffle (2), two curb plates that model case (1) and basin (4) be connected on each level set up one guide slot (3), slidable mounting has axle sleeve (11) with baffle (2) the same quantity in every guide slot (3), each division has a fixing hole on the both sides of every baffle (2), baffle (2) articulated through two fixing hole and axle sleeve (11), baffle (2) on still open and be used for hoist and mount subassembly (10) to hoist two lewis holes of baffle (2).
2. A simulated rainfall condition vegetation slope protection model test device of claim 1, wherein, hoist and mount subassembly (10) include gallows, rope and the fixed pulley on the gallows, ground gallows is connected with mold box (1) top.
3. The rainfall simulation condition vegetation slope protection model test device of claim 1, wherein the two lifting holes are symmetrically arranged.
4. The experimental device for the vegetation slope protection model under the rainfall simulation condition of claim 1, characterized in that, rainfall subassembly (8) include precipitation frame and feed water tank, high-pressure atomizing water pump, regulation and control switch and rainfall shower nozzle that connect gradually through the raceway, precipitation frame be located model case (1) top.
5. A model test device for vegetation slope protection under the condition of simulated rainfall according to claim 1, characterized in that a permeable hole (5) is arranged on a side plate between the model box (1) and the water tank (4).
6. A simulated rainfall vegetation slope protection model test device as claimed in claim 1, wherein the bottom of the model box (1) is provided with a diverting pulley (7).
7. A model test device for vegetation slope protection under the condition of simulated rainfall according to claim 1, characterized in that the materials of the model box (1) and the water tank (4) are transparent toughened glass.
8. A simulated rainfall condition vegetation slope protection model test device of claim 1, wherein the bottom of the basin (4) is provided with a tap (6).
9. A simulated rainfall condition vegetation slope protection model test device according to claim 1, wherein the hoisting assembly (10) comprises a rope and a pulley.
10. A test method of a vegetation slope protection model test device under the condition of simulated rainfall according to any one of claims 1 to 9 is characterized by comprising the following steps:
s1: paving a soil sample in a model box (1) according to a slope model expected by a test, installing at least one partition plate (2), dividing the model box (1) into a plurality of parts, planting different types of vegetation on the slope of the soil sample in each part, shooting photos of the vegetation positively by a camera (9) according to a preset period, measuring the root length of the vegetation through the model box (1), and recording the growth condition of the vegetation;
s2: rainfall is carried out through a rainfall assembly (8) after the growth degree of all the vegetation reaches the standard, the switch and the water pressure of the high-pressure atomizing water pump are controlled through a regulating switch so as to regulate the rainfall capacity and the rainfall type of a rainfall sprayer, the time from the beginning of rainfall to the slope damage of the slope under the protection of different vegetation is counted, and simultaneously, mud-water mixtures flowing down the slope are collected;
s3: the effect of different types of vegetation on keeping soil particles is comprehensively evaluated by analyzing the measured root length of the vegetation and the quality of soil particles left after drying the mud-water mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051908.4A CN110820813A (en) | 2019-10-31 | 2019-10-31 | Vegetation slope protection model test device and method under simulated rainfall condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051908.4A CN110820813A (en) | 2019-10-31 | 2019-10-31 | Vegetation slope protection model test device and method under simulated rainfall condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110820813A true CN110820813A (en) | 2020-02-21 |
Family
ID=69551584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911051908.4A Pending CN110820813A (en) | 2019-10-31 | 2019-10-31 | Vegetation slope protection model test device and method under simulated rainfall condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110820813A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333203A (en) * | 2021-05-28 | 2021-09-03 | 浙江大学 | Rainfall simulation device component capable of adjusting nozzle position and adjusting method thereof |
| CN115561433A (en) * | 2022-11-10 | 2023-01-03 | 四川省公路规划勘察设计研究院有限公司 | Soil abrupt slope cracking test device under rainfall effect and boundary construction method thereof |
| CN117110585A (en) * | 2023-10-23 | 2023-11-24 | 中国地质大学（北京） | Test equipment and method for simulating surface water erosion and root system seepage guiding action to promote cracking and seam formation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5279151A (en) * | 1991-11-12 | 1994-01-18 | Ptrl East, Inc. | Method and system for conducting meso-scale rainfall simulations and collecting runoff |
| WO1996025663A1 (en) * | 1995-02-17 | 1996-08-22 | British Nuclear Fuels Plc | Simulation testing of a capping for a waste disposal site |
| CN203365431U (en) * | 2013-08-07 | 2013-12-25 | 赣州高速公路有限责任公司 | Experimental facility for simulating side slope rainfall infiltration and analyzing factors influencing stability |
| CN103728435A (en) * | 2014-01-15 | 2014-04-16 | 水利部交通运输部国家能源局南京水利科学研究院 | Slope simulation test device and test method under coupling effects of rainfall and underground water |
| CN106908582A (en) * | 2017-02-15 | 2017-06-30 | 北京市首发天人生态景观有限公司 | Slope ecological repairs analogue means |
| CN108375667A (en) * | 2018-03-02 | 2018-08-07 | 北京林业大学 | The experimental provision and method of best mode are built for studying different gradient vegetation buffer strip |
-
2019
- 2019-10-31 CN CN201911051908.4A patent/CN110820813A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5279151A (en) * | 1991-11-12 | 1994-01-18 | Ptrl East, Inc. | Method and system for conducting meso-scale rainfall simulations and collecting runoff |
| WO1996025663A1 (en) * | 1995-02-17 | 1996-08-22 | British Nuclear Fuels Plc | Simulation testing of a capping for a waste disposal site |
| CN203365431U (en) * | 2013-08-07 | 2013-12-25 | 赣州高速公路有限责任公司 | Experimental facility for simulating side slope rainfall infiltration and analyzing factors influencing stability |
| CN103728435A (en) * | 2014-01-15 | 2014-04-16 | 水利部交通运输部国家能源局南京水利科学研究院 | Slope simulation test device and test method under coupling effects of rainfall and underground water |
| CN106908582A (en) * | 2017-02-15 | 2017-06-30 | 北京市首发天人生态景观有限公司 | Slope ecological repairs analogue means |
| CN108375667A (en) * | 2018-03-02 | 2018-08-07 | 北京林业大学 | The experimental provision and method of best mode are built for studying different gradient vegetation buffer strip |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333203A (en) * | 2021-05-28 | 2021-09-03 | 浙江大学 | Rainfall simulation device component capable of adjusting nozzle position and adjusting method thereof |
| CN113333203B (en) * | 2021-05-28 | 2022-08-05 | 浙江大学 | Rainfall simulation device component capable of adjusting nozzle position and adjusting method thereof |
| CN115561433A (en) * | 2022-11-10 | 2023-01-03 | 四川省公路规划勘察设计研究院有限公司 | Soil abrupt slope cracking test device under rainfall effect and boundary construction method thereof |
| CN115561433B (en) * | 2022-11-10 | 2023-03-07 | 四川省公路规划勘察设计研究院有限公司 | Soil abrupt slope cracking test device under rainfall action and boundary construction method thereof |
| CN117110585A (en) * | 2023-10-23 | 2023-11-24 | 中国地质大学（北京） | Test equipment and method for simulating surface water erosion and root system seepage guiding action to promote cracking and seam formation |
| CN117110585B (en) * | 2023-10-23 | 2023-12-26 | 中国地质大学（北京） | Test equipment and method for simulating surface water erosion and root system seepage guiding action to promote cracking and seam formation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110820813A (en) | Vegetation slope protection model test device and method under simulated rainfall condition | |
| CN102980988B (en) | Slope Cropland with Purple Soil contaminant transportation conversion process analogue means | |
| KR101604772B1 (en) | Multi-purposed open-channel type LID-hydraulic facility experiment | |
| CN102590474B (en) | Fine water erosion simulation test device for slope channel system, and test method for fine water erosion simulation test device | |
| CN101556269B (en) | Trough for simulating groundwater pollution | |
| CN101813605B (en) | Permeable environment simulator experimental device and method suitable for permeable brick | |
| CN107505448B (en) | Seepage erosion model device, system and test method caused by underground pipeline damage | |
| CN202039320U (en) | Experimental system device for simulating natural river course | |
| CN108152118B (en) | Pile-supported roadbed seepage erosion test device capable of adjusting water head | |
| CN111551694B (en) | Slope instability experimental device and method with rainfall and overload as inducers | |
| CN106908582A (en) | Slope ecological repairs analogue means | |
| CN113049428B (en) | Vegetation side slope antiscour test device | |
| CN104563055B (en) | A kind of simulation tailing dam ecological revetment system | |
| CN111551691A (en) | Multifunctional side slope model test device | |
| CN115267138A (en) | Test device and test method for simulation analysis of fracture seepage of centrifugal machine | |
| CN201724934U (en) | Facility for field observation of runoff plot | |
| CN103983480A (en) | Moveable device for monitoring content of sand of runoff silt distributed in different spaces | |
| CN218353597U (en) | Plant growing device for testing slope plants | |
| CN205691447U (en) | The simulation antiskid of concrete sash block bank protection and anti-rain drop erosion test device | |
| CN205027731U (en) | A simulation experiment device for studying vegetation is cushioned and takes function | |
| CN110887954A (en) | Physical simulation experiment device and method capable of controlling soil cave forming process | |
| CN110673232A (en) | Road surface rainfall simulation and runoff collection system | |
| CN209412781U (en) | A kind of silt interception sedimentation simulator | |
| CN210322734U (en) | Urban outdoor green road cold plate testing device | |
| CN113884654A (en) | Simulation device and simulation method for spraying sand control slurry on sandy soil |
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: 20200221 |
|
| RJ01 | Rejection of invention patent application after publication |