CN109342252A - Vegetation side slope scouring-resistance Journal of Sex Research device and experimental method - Google Patents
Vegetation side slope scouring-resistance Journal of Sex Research device and experimental method Download PDFInfo
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- CN109342252A CN109342252A CN201811295994.9A CN201811295994A CN109342252A CN 109342252 A CN109342252 A CN 109342252A CN 201811295994 A CN201811295994 A CN 201811295994A CN 109342252 A CN109342252 A CN 109342252A
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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- E02D33/00—Testing foundations or foundation structures
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- 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
A kind of vegetation side slope scouring-resistance Journal of Sex Research device, including hydraulic lifting side slope model, at least one uncovered substrate case is slidably connected on the liftable slope panel of hydraulic lifting side slope model, uncovered substrate case includes bottom plate, bottom plate is for placing quasi- natural slope strata model, uncovered substrate case is detachable slidingtype side plate close to the side panel of hydraulic lifting side slope model rotating side, hydraulic lifting side slope model side is placed with the muddy water collecting box matched with uncovered substrate case, uncovered substrate upper box part is hung with artificial rain device, the width of detachable slidingtype side plate is matched with the height of soil base material layer.Vegetation side slope scouring-resistance Journal of Sex Research device provided by the invention and experimental method, can more comprehensive quantitatively evaluating vegetation side slope scouring-resistance performance, there is important theoretical research and technological guidance to be worth slope vegetation restoration.
Description
Technical field
The present invention relates to side slope technical field, especially a kind of vegetation side slope scouring-resistance Journal of Sex Research device and experimental method.
Background technique
China mountainous region area accounts for the 33.3% of national territorial area, and Landslide Hazards take place frequently.Rainfall is common the luring on mountainous region landslide
One of inducement element.Some researches show that 60% or more slope instability is due to caused by rainfall.In recent years, heavy rainfall, heavy rain are more
Secondary attack China partial region, causes many geological disasters, has seriously threatened the people's lives and property safety.China's engineering
A large amount of exposed engineering slope is formd in construction, destroys the ecoscape in region, while also resulting in soil and being largely lost
And degeneration.From the point of view of the application study of current Technology of Slope Protection by Vegetation, mainly around preventing hillside fields from the mesh of rain erosion
And progress, it is by effective covering to slope surface and protects surface soil in time, protects it from surface erosion and soil degradation;
Soil is held by root system of plant, reduces interstices of soil hydraulic pressure, to reinforce soil layer and improve skid resistance.It is directed to vegetation side slope at present
The research of scour resistance is primarily directed to vegetation side slope root --- and the shearing strength or anti-impact flow velocity of native complex are reversed between coming
It reflects, data can not directly and comprehensively reflect the erosion resistibility of vegetation side slope.Furthermore it is one since side slope soil washes away and has
The systematic procedure of globality and comprehensive effect, factor effect and effect relation are extremely complex, so at present about erosion quantity
Counting statistics model there are more or less deficiency, the math equation of foundation also tend to it is more complicated, be not only not easy to research and
Statistics, the convincingness of calculated result are also limited.About side slope model, existing model be concentrated mainly on stability of slope Journal of Sex Research and
In the research and development of bulkhead tech, and Most models are concrete structures, and inconvenience is adjusted flexibly the impact factors such as the gradient, slope aspect, grinds
It is more narrow to study carefully face.Currently the laboratory experiment model for specializing in vegetation side slope scouring-resistance is had no, for this purpose, providing a kind of special
It studies vegetation side slope scouring-resistance laboratory experiment model and rigorous experimental method is that those skilled in the art is urgently to be resolved
Problem.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of vegetation side slope scouring-resistance Journal of Sex Research device and experimental method,
The topography and landform character and soil characteristic on ground to be restored are reduced using natural method is intended, with the matter for the soil being washed
Measure measurement index as vegetation side slope scouring-resistance, can more comprehensive quantitatively evaluating vegetation side slope scouring-resistance performance, it is right
In slope vegetation restoration there is important theoretical research and technological guidance to be worth.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of vegetation side slope scouring-resistance Journal of Sex Research
Device, including hydraulic lifting side slope model slidably connect at least on the liftable slope panel of hydraulic lifting side slope model
One uncovered substrate case, uncovered substrate case include bottom plate, and for placing quasi- natural slope strata model, uncovered substrate case leans on bottom plate
The side panel of nearly hydraulic lifting side slope model rotating side is detachable slidingtype side plate, hydraulic lifting side slope model side
It is placed with the muddy water collecting box matched with uncovered substrate case, uncovered substrate upper box part is hung with artificial rain device, detachably
The width of slidingtype side plate is matched with the height of soil base material layer.
In hydraulic lifting side slope model, hollow uncovered model box house is equipped with hydraulic jack, uncovered model
Bottom of box quadrangle is provided with lockable universal wheel, and liftable slope panel side and uncovered model cabinet side are hinged, and hydraulic thousand
The mandril on jin top is matched with liftable slope panel.
The rotating side of the uncovered model cabinet of hydraulic lifting side slope model is provided with gradient device.
In artificial rain device, rainfall plate is made of hollow latticed connecting pipe, and rainfall board bottom face is laid with multiple
Apopore, rainfall plate are connect by bracket with hanger bar, and flowmeter, the net on rainfall plate are provided on the water inlet line of rainfall plate
Lattice pipeline is equipped with light source in gap.
Being slidably connected on the liftable slope panel of hydraulic lifting side slope model, there are three uncovered substrate casees.
A kind of experimental method carrying out vegetation side slope scouring-resistance Journal of Sex Research using above-mentioned apparatus, this method includes following step
It is rapid:
Step 1: construct quasi- natural slope strata model: using three-dimensional laser scanner acquire ground to be restored slope surface rock mass structure and
Terrain data, it is scaled to be less than 100cm × 100cm to planimetric area, mould is compared according to the three-dimensional figure of diminution production etc.
Tool, with formula ratio mixing coarse grain and middle grain quartz sand, gypsum, sodium citrate and water to mortar shape, pours into mould prefabricated in advance
Jolt ramming forms in tool, then carries out solidification demoulding, that is, completes the building of quasi- natural slope strata model (10);
Step 2: the quasi- natural slope strata model built is fixed on uncovered substrate bottom portion;
Step 3: building soil base material layer: being constructed using the soil culture medium of natural soils or application side slope vegetation recovery technique
Soil base material, the weight of soil base material used are M0, and be positioned in quasi- natural slope strata model top and soil base is made
Material layer;
Step 4: plant seeding and vegetation growth: seed is taken out and the soil mixing retained in advance and is uniformly sprinkled upon uncovered base
The soil base material layer surface for intending natural slope strata model in material case, can start to test to vegetation growth to leaf stretching period;
Step 5: opening hydraulic jack, raising liftable slope panel stops when extremely consistent with the ground to be restored gradient;
Step 6: carry out the experiment of vegetation side slope scouring-resistance: adjust the Plane Angle of the rainfall plate of rainer to quasi- natural slope
The soil plane of the soil base material layer of strata model is parallel, carries out one to the side slope that liftable slope panel is formed according to requirement of experiment
The Rainfall simulator erosion of fixed cycle some strength is tested, and collects the muddy water under washing away with muddy water collecting box, scouring experiment terminates, by muddy water
Drying to constant weight together for collecting box and its muddy water of inside, weighs muddy water collecting box and soil base material gross weight M2;
Step 7: erosion quantity calculates and interpretation of result: it is assumed that muddy water collecting box weight is M3, then erosion quantity M=M2-M3, scour rate Er
=M/M0, the soil base material layer surface that is washed is scanned with three-dimensional laser scanner, establishes 3-D image, statistics scour depth,
Area data analyzes the feasibility of soil erosion reason and revegetation, i.e. completion vegetation side slope scouring-resistance Journal of Sex Research.
In step 3, using natural soils, and it is positioned in quasi- natural slope strata model top and soil base material layer is made
Method are as follows: establishing soil sample prescription 100cm × 100cm to be restoredly, depth is maximum deep depending on soil horizon actual depth
Degree is less than 20cm, includes rock by whole soil in sample prescription, and drying to constant weight, weighs soil quality M1, organic fertilizer, matter is added
Amount is 0.05M1, mix, at this time soil base material mass M0=1.05M1, soil base material is laid in the quasi- natural edge in uncovered substrate case
On the strata model of slope, compacting;It waters to the soil of tiling to soil moisture content and is saturated.
In step 3, using the soil culture medium of application side slope vegetation recovery technique, and it is positioned in quasi- natural slope rock
The method that soil base material layer is made in body Model top are as follows: using the soil training using plant cover concrete technology, Seed spraying technology
It supports base and constructs soil base material, at this time soil base material mass M0=soil dry weight+extra material dry weight, soil base material is added water and stirred, then
It is injected on the quasi- natural slope strata model in uncovered substrate case.
Vegetation side slope scouring-resistance Journal of Sex Research device provided by the invention and experimental method, have the beneficial effect that:
It 1, can be accurate using the quality for the soil being washed and original soil mass ratio as the measurement index of vegetation side slope scouring-resistance
Quantitatively evaluating vegetation side slope scouring-resistance, more existing calculation method are easier, rigorous.
2, suitable for studying influence of the various environmental factors to vegetation side slope scouring-resistance, to vegetation side slope in laboratory
The factors such as the gradient, precipitation, light irradiation time, the dose of model carry out quantified controlling, and experiment progress is protected from weather influences, simultaneously
It can be for different gradient gradient, the correlation theory of the different expansion such as rainfall grandient and vegetation phenological period vegetation soil and slope protection characteristics
Research.
3, the topography and landform character and soil characteristic for simulating ground to be restored prepare quasi- natural slope strata model and soil base
Material, can be with the feasibility of experimental verification ground to be restored revegetation scheme, to the option of species and conjunction in the revegetation in later period
It manages collocation, dense planting etc. and important technological guidance is provided.
4, side slope recovery technique that can be different with comparison test, simulates its recovery process, optimal extensive by experimental selection
Recovering technology.
5, using hydraulic lifting side slope model, the gradient is adjustable, analog multiple types side slope, and hydraulic top saves manpower,
It is flexibly removable equipped with universal wheel.
6, each uncovered substrate case is an independent experimental group, can carry out multiple groups experiment simultaneously, greatly improves experiment effect
Rate, soil are not directly contacted with slope surface, avoid corrosion and damage slope surface.Substrate case is detachable, so that experimental group is replaced in time and soil
Cleaning work is easier.
The topography and landform character and soil characteristic on ground to be restored are reduced using natural method is intended, with what is be washed
Measurement index of the quality of soil as vegetation side slope scouring-resistance, can more comprehensive quantitatively evaluating vegetation side slope scouring-resistance
Performance there is important theoretical research and technological guidance to be worth slope vegetation restoration.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the structural schematic diagram of apparatus of the present invention;
Fig. 2 is the schematic diagram of the hydraulic lifting side slope model of apparatus of the present invention;
Fig. 3 is the schematic diagram of the uncovered substrate case of apparatus of the present invention.
Specific embodiment
Embodiment one
As shown in Figure 1-Figure 3, a kind of vegetation side slope scouring-resistance Journal of Sex Research device, including hydraulic lifting side slope model 1, hydraulic top
It rises and slidably connects at least one uncovered substrate case 2 on the liftable slope panel 7 of side slope model 1, uncovered substrate case 2 includes bottom
Plate, bottom plate is for placing quasi- natural slope strata model 10, and uncovered substrate case 2 is close to 1 rotating side of hydraulic lifting side slope model
Side panel 17 be detachable slidingtype side plate, 1 side of hydraulic lifting side slope model be placed with and uncovered substrate case 2 match
The muddy water collecting box 4 of conjunction, 2 upper suspension of uncovered substrate case have artificial rain device 3, the width and soil of detachable slidingtype side plate
The height of earth substrate layer 11 matches.
In hydraulic lifting side slope model 1, hydraulic jack 14, uncovered are installed inside hollow uncovered model cabinet 8
8 bottom four corners of model cabinet are provided with lockable universal wheel 16, and 7 side of liftable slope panel and 8 side of uncovered model cabinet are cut with scissors
It connects, the mandril 13 of hydraulic jack 14 is matched with liftable slope panel 7, and hydraulic jack 14 is installed on uncovered model cabinet 8
Center, mandril 13 is to the center of liftable slope panel 7.
Hydraulic jack 14 is electric hydaulic top, and arm of force maximum length 70cm, reduction rate is about 1cm/s, switch 15
Positioned at 8 side side of uncovered model cabinet.
The rotating side of the uncovered model cabinet 8 of hydraulic lifting side slope model 1 is provided with gradient device 5,5 bottom edge of gradient device with
Along being overlapped on uncovered model cabinet 8,5 range of gradient device is 0 ~ 90 degree.
In artificial rain device 3, rainfall plate is made of hollow latticed connecting pipe, and rainfall board bottom face is laid with multiple
Apopore, rainfall plate are connect by bracket with hanger bar, are provided with flowmeter 21 on the water inlet line of rainfall plate, on rainfall plate
Light source 6 is installed, light source 6 is preferably cold light incandescent lamp, and outer cover is equipped with sealed transparent lampshade in grid pipeline gap.
Being slidably connected on the liftable slope panel 7 of hydraulic lifting side slope model 1, there are three uncovered substrate casees 2.
Uncovered substrate case 2 is strong using toughness, and corrosion resistant polypropylene material is made, and 7 two sides of liftable slope panel are provided with
The bottom of box two sides of sliding recess 9, uncovered substrate case 2 are equipped with raised item 19, and uncovered substrate case 2 is by being set to sliding recess
9 internal projection items 19 are slidably connected with liftable slope panel 7.
It is provided with handle 12 on uncovered model cabinet 8, handle 20 is provided on muddy water collecting box 4.
Embodiment two
A kind of experimental method carrying out vegetation side slope scouring-resistance Journal of Sex Research using above-mentioned apparatus, method includes the following steps:
Step 1: constructing quasi- natural slope strata model 10: acquiring ground to be restored slope surface rock mass structure using three-dimensional laser scanner
And terrain data, it is scaled to be less than 100cm × 100cm to planimetric area, compared according to the three-dimensional figure of diminution production etc.
Mold pours into prefabricated in advance with formula ratio mixing coarse grain and middle grain quartz sand, gypsum, sodium citrate and water to mortar shape
Jolt ramming forms in mold, then carries out solidification demoulding, that is, completes the building of quasi- natural slope strata model 10;
Step 2: the quasi- natural slope strata model 10 built is fixed on 2 bottom of uncovered substrate case;
Step 3: building soil base material layer 11: using natural soils or the soil culture medium structure of application side slope vegetation recovery technique
Soil base material is built, the weight of soil base material used is M0, and be positioned in quasi- 10 top of natural slope strata model and soil is made
Earth substrate layer 11;
Step 4: plant seeding and vegetation growth: seed is taken out and the soil mixing retained in advance and is uniformly sprinkled upon uncovered base
11 surface of soil base material layer for intending natural slope strata model 10 in material case 2, can start to test to vegetation growth to leaf stretching period;
Step 5: open hydraulic jack 14, increase liftable slope panel 7 to it is consistent with the ground to be restored gradient when stop;
Step 6: carry out the experiment of vegetation side slope scouring-resistance: adjust rainer 3 rainfall plate Plane Angle to quasi- natural edge
The soil plane of the soil base material layer 11 of slope strata model 10 is parallel, the side formed according to requirement of experiment to liftable slope panel 7
Slope carries out the Rainfall simulator erosion experiment of some cycles some strength, collects the muddy water under washing away, scouring experiment knot with muddy water collecting box 4
Beam, the muddy water of muddy water collecting box 4 and its inside is placed in 105 DEG C of baking oven together, and drying to constant weight, weighs muddy water collecting box 4 and soil
25 gross weight M of earth substrate2;
Step 7: erosion quantity calculates and interpretation of result: it is assumed that 4 weight of muddy water collecting box is M3, then erosion quantity M=M2-M3, scour rate
Er=M/M0, 11 surface of soil base material layer being washed is scanned with three-dimensional laser scanner, establishes 3-D image, statistics is washed away
Depth, area data analyze the feasibility of soil erosion reason and revegetation, i.e. completion vegetation side slope scouring-resistance Journal of Sex Research.
In step 3, using natural soils, and it is positioned in quasi- 10 top of natural slope strata model and soil base material is made
The method of layer 11 are as follows: establishing soil sample prescription 100cm × 100cm to be restoredly, depth is depending on soil horizon actual depth, most
Big depth is less than 20cm, includes rock by whole soil in sample prescription, and taking back 105 DEG C of laboratory, drying to constant weight, weighs soil
Mass M1, organic fertilizer, quality 0.05M is added1, mix, at this time soil base material mass M0=1.05M1, soil base material is laid in
On quasi- natural slope strata model 10 in uncovered substrate case 2, compacting;It waters to the soil of tiling full to soil moisture content
With.
In step 3, using the soil culture medium of application side slope vegetation recovery technique, and it is positioned in quasi- natural slope rock
The method that soil base material layer 11 is made in 10 top of body Model are as follows: using the soil using plant cover concrete technology, Seed spraying technology
Earth culture medium constructs soil base material, at this time soil base material mass M0=soil dry weight+extra material dry weight, soil base material plus water are stirred
It mixes, is ejected on the quasi- natural slope strata model 10 in uncovered substrate case 2 by equipment.
The vegetation side slope scouring-resistance items research that can be carried out is listed below:
One, research rainfall influences vegetation side slope scouring-resistance:
By adjusting 3 flow of artificial rain device in step 6, different rainfall grandients is set, other steps it is identical with it is real
Each step for applying example two is identical, can carry out the research that rainfall influences vegetation side slope scouring-resistance, every model equipment can
The experiment of 3 gradients is carried out simultaneously.
Two, the research gradient influences vegetation side slope scouring-resistance:
By adjusting different slope gradients in steps of 5, other steps are identical identical as each step of embodiment two, Ji Kejin
The research that the row gradient influences vegetation side slope scouring-resistance, every model equipment can be carried out the experiment of 1 gradient.
Three, research vegetation pattern influences vegetation side slope scouring-resistance:
By select in step 4 phase homogenous quantities different seeds or different seeds combination, other steps it is identical with it is real
Each step for applying example two is identical, can carry out the research that vegetation pattern influences vegetation side slope scouring-resistance, every model equipment
The experiment of 3 gradients can be carried out simultaneously.
Four, research vegetation density influences vegetation side slope scouring-resistance:
By the way that the quality settings gradient for selecting seed, other steps are identical identical as each step of embodiment two in step 4,
The research that vegetation density influences vegetation side slope scouring-resistance can be carried out, every model can carry out the experiment of 3 gradients simultaneously.
Five, the research vegetation development stage influences vegetation side slope scouring-resistance:
Vegetation is selected by choosing different time sowing in step 4, it is general to divide native table exposed phase, Their Seed Germinating Period, vegetation lamina
Phase, vegetation maturity period, five periods of vegetation apoptosis phase carry out, other steps are identical identical as each step of embodiment two
The research that the progress vegetation development stage influences vegetation side slope scouring-resistance, every model can carry out the experiment of 3 gradients simultaneously.
Six, the vegetation growth status and scour resistance for studying different side slope recovery technology compare:
Selection constructs soil base material using the method for the soil culture medium of side slope vegetation recovery technique in step 3.Select different sides
Slope recovery technique keeps other conditions consistent, other steps are identical identical as each step of embodiment two, can be to the growth of vegetation
It is observed, scour resistance is calculated, the advantage and disadvantage of each technology are comprehensively compared.Every model equipment can carry out 3 kinds simultaneously
The experiment of technology.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (8)
1. a kind of vegetation side slope scouring-resistance Journal of Sex Research device, including hydraulic lifting side slope model (1), it is characterised in that: hydraulic
It jacks and slidably connects at least one uncovered substrate case (2), uncovered substrate on the liftable slope panel (7) of side slope model (1)
Case (2) includes bottom plate, and bottom plate is for placing quasi- natural slope strata model (10), and uncovered substrate case (2) is close to hydraulic lifting side
The side panel (17) of slope model (1) rotating side is detachable slidingtype side plate, and hydraulic lifting side slope model (1) side is put
It is equipped with the muddy water collecting box (4) matched with uncovered substrate case (2), uncovered substrate case (2) upper suspension has artificial rain device
(3).
2. vegetation side slope scouring-resistance Journal of Sex Research device according to claim 1, it is characterised in that: hydraulic lifting side slope model
In body (1), it is equipped with hydraulic jack (14) inside hollow uncovered model cabinet (8), uncovered model cabinet (8) bottom four corners
It is provided with lockable universal wheel (16), liftable slope panel (7) side and uncovered model cabinet (8) side are hinged, hydraulic jack
The mandril (13) on top (14) is matched with liftable slope panel (7).
3. vegetation side slope scouring-resistance Journal of Sex Research device according to claim 2, it is characterised in that: hydraulic lifting side slope model
The rotating side of the uncovered model cabinet (8) of body (1) is provided with gradient device (5).
4. vegetation side slope scouring-resistance Journal of Sex Research device according to claim 1, it is characterised in that: artificial rain device (3)
In, rainfall plate is made of hollow latticed connecting pipe, and rainfall board bottom face is laid with multiple apopores, and rainfall plate passes through bracket
It connect, is provided on the water inlet line of rainfall plate flowmeter (21) with hanger bar, installed in the grid pipeline gap on rainfall plate
There are light source (6).
5. vegetation side slope scouring-resistance Journal of Sex Research device according to claim 1, it is characterised in that: hydraulic lifting side slope model
Being slidably connected on the liftable slope panel (7) of body (1), there are three uncovered substrate casees (2).
6. a kind of experimental method for carrying out vegetation side slope scouring-resistance Journal of Sex Research using above-mentioned apparatus, it is characterised in that this method includes
Following steps:
Step 1: constructing quasi- natural slope strata model (10): acquiring ground to be restored slope surface rock mass knot using three-dimensional laser scanner
Structure and terrain data, it is scaled, according to the three-dimensional figure of diminution production etc. than mold, with formula ratio mixing coarse grain and middle grain
Quartz sand, gypsum, sodium citrate and water pour into jolt ramming in mold prefabricated in advance and form, it is de- then to carry out solidification to mortar shape
Mould completes the building of quasi- natural slope strata model (10);
Step 2: the quasi- natural slope strata model (10) built is fixed on uncovered substrate case (2) bottom;
Step 3: building soil base material layer (11): using natural soils or the soil culture medium of application side slope vegetation recovery technique
Soil base material is constructed, the weight of gained soil base material is M0, and it is positioned in quasi- natural slope strata model (10) top system
It obtains soil base material layer (11);
Step 4: plant seeding and vegetation growth: seed is taken out and the soil mixing retained in advance and is uniformly sprinkled upon uncovered base
Soil base material layer (11) surface for intending natural slope strata model (10) in material case (2), can open to vegetation growth to leaf stretching period
Begin to test;
Step 5: opening hydraulic jack (14), raising liftable slope panel (7) stops when extremely consistent with the ground to be restored gradient;
Step 6: carry out the experiment of vegetation side slope scouring-resistance: adjust rainer (3) rainfall plate Plane Angle to quasi- nature
The soil plane of the soil base material layer (11) of slope rock mass model (10) is parallel, according to requirement of experiment to liftable slope panel (7)
The side slope of formation carries out the Rainfall simulator erosion experiment of some cycles some strength, collects the muddy water under washing away with muddy water collecting box (4),
Scouring experiment terminates, by muddy water collecting box (4) and its inside muddy water drying to constant weight together, weigh muddy water collecting box (4) and
Soil base material (25) gross weight M2;
Step 7: erosion quantity calculates and interpretation of result: it is assumed that muddy water collecting box (4) weight is M3, then erosion quantity M=M2-M3, wash away
Rate Er=M/M0, soil base material layer (11) surface being washed is scanned with three-dimensional laser scanner, establishes 3-D image, is counted
Scour depth, area data analyze the feasibility of soil erosion reason and revegetation, i.e. completion vegetation side slope scouring-resistance is ground
Study carefully.
7. according to the method described in claim 6, it is characterized in that using natural soils, and being positioned in and intending certainly in step 3
The method that soil base material layer (11) are made in right slope rock mass model (10) top are as follows: establishing soil sample prescription, depth to be restoredly
It include rock by whole soil in sample prescription depending on soil horizon actual depth, drying to constant weight, weighs soil quality M1,
Organic fertilizer, quality 0.05M is added1, mix, at this time soil base material mass M0=1.05M1, soil base material is laid in uncovered base
On quasi- natural slope strata model (10) in material case (2), compacting;It waters to the soil of tiling to soil moisture content and is saturated.
8. according to the method described in claim 6, it is characterized in that in step 3, using the soil of application side slope vegetation recovery technique
Earth culture medium, and it is positioned in the method that soil base material layer (11) are made in quasi- natural slope strata model (10) top are as follows: it adopts
Soil base material is constructed with the soil culture medium of application plant cover concrete technology, Seed spraying technology, at this time soil base material mass M0=
Soil dry weight+extra material dry weight, soil base material is added water and stirred, then the quasi- natural edge being injected into uncovered substrate case (2)
On slope strata model (10).
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CN110132779A (en) * | 2019-05-16 | 2019-08-16 | 中国十九冶集团有限公司 | For characterizing the three dimensional analysis method of concrete surface Scouring Characteristic |
CN112305165A (en) * | 2020-10-23 | 2021-02-02 | 四川华能泸定水电有限公司 | Simulation model and method for evaluating stability of slope vegetation body |
CN113049428A (en) * | 2021-03-09 | 2021-06-29 | 山东大学 | Vegetation side slope antiscour test device |
CN115184590A (en) * | 2022-09-13 | 2022-10-14 | 深圳市勘察研究院有限公司 | Rock landslide cause simulation test device under action of fracture water pressure |
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