CN107843447A - A kind of block bulk material slope stability simulation test device and test method - Google Patents
A kind of block bulk material slope stability simulation test device and test method Download PDFInfo
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- CN107843447A CN107843447A CN201711268946.6A CN201711268946A CN107843447A CN 107843447 A CN107843447 A CN 107843447A CN 201711268946 A CN201711268946 A CN 201711268946A CN 107843447 A CN107843447 A CN 107843447A
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- 238000004088 simulation Methods 0.000 title claims abstract description 33
- 239000013590 bulk material Substances 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000010998 test method Methods 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000012806 monitoring device Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 7
- 238000002474 experimental method Methods 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000001808 coupling effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000011160 research Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000010835 comparative analysis Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- Analytical Chemistry (AREA)
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Abstract
The invention discloses a kind of block bulk material slope stability simulation test device and test method, including side slope model, substrate model, frame mounting, vibrating device, water supply installation, monitoring device, bottom rubbing device, wherein side slope model, substrate model is placed in the model casing of frame mounting formation, vibrating device is connected with model casing front apron by sucker, water supply installation is connected by tank bracket with frame mounting, monitoring device includes the PVC hose being embedded in side slope model, monitoring probe and data logger composition, bottom rubbing device establishes one's own system, it is nested in frame mounting.The present invention can carry out the experiment for considering the lower granular media slope stability of the various factors couplings such as vibration, rainfall, particle diameter, substrate inclination angle, substrate strength effect, design each part of device, which is easy to making, can monitor granular media side slope internal displacement, water level value changes under multifactor impact in real time, and result of the test can realize the inverting to bulk material intensive parameter with numerical simulation result comparative analysis.
Description
Technical field
The present invention relates to open-pit mine blast slope stability studying technological domain, it is proposed that a kind of block bulk material side
Slope stability simulation test device and test method.
Background technology
Refuse dump is the loosely-packed geologic body formed during outdoor mining mineral resource, there is point of inside and outside refuse dump.
Restricted by factors such as orographic condition, economy, environment, refuse dump mostly uses high section casting step, and oriented high steepness development becomes
Gesture.In addition, the effect of granular media side slope intergrain bond is poor, the geology calamity such as landslide, mud-rock flow easily occurs for the influence such as vibrated, rainwater
Evil.In recent years, landslide occurs for granular media side slope or even the geological disaster phenomenon of formation mud-rock flow has been reported that more.Granular media of analyzing and researching side
Stability of the slope under the effect of the various factors couplings such as vibration, rainfall is prediction and prevents and treats the essential link of landslide disaster.Mesh
The preceding stability for granular media side slope takes the method for numerical simulation to carry out Stability Checking evaluation to it mostly, due to granular media side
Slope rock mechanical parameter is affected by many factors, it is difficult to obtains exact value, numerical simulation calculated results also can only conduct
One reference.In addition, ongoing bottom friction side slope simulated test can only observation model outer surface change in displacement, it is difficult to predicts mould
Type internal modification, macroscopical it can only observe, it is difficult to the cause calamity mechanism of Study of Landslides.Therefore, research and development one kind can monitor slopes in real time
Internal displacement and granular media slope stability experimental rig and the test for considering the multifactor impacts such as rainfall, underground water, vibration
Method, carry out analog simulation experiment, inquire into granular media slope instability mechanism under the influence of multi- scenarios method factor, expand for refuse dump optimization
Hold, preventing land slide is provided fundamental basis.
The content of the invention
It is an object of the invention to based on the theory of similarity, there is provided a kind of it can be considered that the lower granular media side slope of various factors coupling effect
Stable experimental rig, there is provided device can realize to each factor independent role such as vibration, rainfall, underground water, particle diameter or coupling
The lower difference of effect dumps height, the experiment of the granular media slope stability of different angle and land slide data monitoring.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of block bulk material slope stability simulation test device, including side slope model, substrate model, framework dress
Put, vibrating device, water supply installation, monitoring device, bottom rubbing device；The side slope model is the granular media thing of separate unit rank or multi-step
Material, the substrate model are to consider porosity, the 4th system of intensity or mud stone, charcoal mudrock.
The frame mounting includes model casing, support meanss, base；The model casing is by four pieces of baffle plates and loading plate group
Into front apron is highly minimum in the baffle plate, and its excess-three block baffle plate is contour, and baffle edge punching in both sides takes steel wire with loading plate
Colligation, the punching of front and rear baffle edge are connected with two side shield steel wire lashings, and drum belt is close in front and rear baffle bottom.The support
Device include combined metal bar, base, the combined metal bar by top metal loop bar, bottom scale bar, locking screw
Nail composition.
The vibrating device is made up of bobbing machine, sucker, and the bobbing machine is connected by sucker with front apron；The water supply
Device includes supply tank, aqueduct, water valve, header tank, the box bracket that catchments composition, and the aqueduct totally two, one to water supply
Case supplies water, and a substrate to rear baffle bottom supplies water；The monitoring device is by pre-buried PVC hose, inclinometer, counter, water
Position meter composition.The bottom rubbing device includes motor, motor belt, driving wheel, driven pulley, drum belt, rolling stand, institute
State rolling stand to be made up of combined metal bar, height adjustable.
A kind of block bulk material slope stability simulation experiment method, comprises the following steps：
A, prepared by model
According to analog simulation principle and on-site actual situations, substrate model is made, model casing bottom is put into after model forming,
Natural packing bulk material above substrate model, can be by particle size layer, and pre-buried PVC deviational surveys are soft during solid accumulation
Pipe.
B, device is adjusted
According to live internal dumping or outer dump substrate inclination angle, regulation combined metal bar, rolling stand height, simulation
Refuse dump dumps or the anti-effect dumped of inclining along inclining.
C, environmental simulation
Bobbing machine, water valve are opened, analog vibration, rainfall, underground water influence on granular media side slope.
D, data monitoring
During experiment, slopes intrinsic displacement value is continued to monitor, water level value in slopes.
Beneficial effects of the present invention：
1st, the present invention can carry out granular media side slope analog simulation experiment, while be contemplated that vibration, rainfall, underground water, particle diameter,
The stability of the lower granular media side slope of the various factors couplings such as substrate inclination angle, substrate strength effect.
2nd, the present invention can carry out the analog simulation experiment of granular media side slope, avoid numerical simulation means bulk material intensity ginseng
Number obtains difficult limitations, result of the test compareed with analog result can inverting bulk material intensive parameter.
3rd, present invention design each part of device is easy to make, simple in construction, can monitor granular media side under multifactor impact in real time
Slope internal displacement change.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the front view of the present invention；
In figure：1-sucker；2-bobbing machine；3-front apron；4-driving wheel；5-active wheel support；6-motor；
7-motor belt；8-pin slot；9-metal loop bar；10-lock-screw；11-graduated metal bar；12-loading plate；
13-fixed bracket；14-drum belt；15-tank bracket；16-driven pulley；17-driven wheel support；18-side slope mould
Type；19-aqueduct；20-header tank；21-water valve；22-water supply aperture；23-supply tank；24-monitoring probe；25—
PVC hose；26- data loggers；27-substrate model；28-rear baffle；29-two side shields；30-base.
Embodiment
Below in conjunction with the accompanying drawings, specific implementation of the patent mode is further described.
As shown in Figures 1 to 3, a kind of block bulk material slope stability simulation test device, the device include side slope mould
Type, substrate model, frame mounting, vibrating device, water supply installation, monitoring device, bottom rubbing device；Wherein, side slope model 18 is
Bulk material accumulation forms, and can form separate unit rank or multi-step side slope, and single bank slope degree is bulk material natural repose angle,
Material is taken to scene, divides particle to choose, and simulates the granular media slope stability under different-grain diameter and different-grain diameter combination；Substrate model
27 are used for simulating refuse dump and dump substrate situation, field sampling, suppresss and form after being crushed in laboratory, formation substrate model it is strong
Degree, porosity are consistent with field condition；It is placed on after substrate model 27 is prefabricated in model casing, bulk material material is formed thereon
Side slope model 18；The model casing is a frame mounting part, by front apron 3, rear baffle 28, two side shields 29, loading plate 12
Composition, two side shields punch with loading plate edge, steel wire lashing connection, front apron, the punching of rear baffle side and two side shield steel
Silk colligation connection.The model casing is by anterior two telescoping shoring columns (metal loop bar 9, lock-screw 10, graduated metal bar 11)
Supported with two, rear portion fixed bracket 13；Metal loop bar 9 and graduated metal bar 11 are combined metal bar, and the two uses locking screw
Nail 10 fix relative positions, can device for precision regulating front height, realize the simulation that inclination angle is dumped to refuse dump difference, regulation
Numerical value can be read by graduated metal bar, and the distance of graduated metal bar and fixed bracket is, it is known that can then calculate loading plate inclination
Angle, the angle are refuse dump substrate inclination angle；Metal loop bar 9 passes through pin and the bottom surface of loading plate 12 with fixed bracket 13
Pin slot 8 connects；Graduated metal bar 11 is connected with fixed bracket 13 by screw thread with base 30.
The vibrating device includes sucker 1, bobbing machine 2, and bobbing machine 2 is connected by sucker 1 with front apron 3, and bobbing machine 2 is sent out
The vibration wave penetrated reaches the bottom of side slope model 18, influence of the simulation blasting vibration to granular media side slope by substrate model 27.
The water supply installation includes tank bracket 15, aqueduct 19, header tank 20, water valve 21, water supply aperture 22, supply tank
23, header tank 20 is supplied water to supply tank 23 and substrate model 27 respectively by aqueduct 19, simulated rainfall and groundwater environment, institute
State water valve 21 and can control aqueduct flow, the size of water supply aperture 22 is adjustable, simulates different rain drop erosion effects；The supply tank
23 are directly positioned on the model casing of rear baffle 28, two side shields 29 composition；The header tank 20 is through tank bracket 15 and base
30 are connected.
The monitoring device includes monitoring probe 24, PVC hose 25, data logger 26, and PVC hose surrounding is beaten intensive small
Hole, it is embedded in side slope model, the water in side slope model can be penetrated into PVC hose by aperture, monitoring probe measurement hole intrinsic displacement
And water level value, data logger can directly read surveyed data, the shifting of side slope intracorporeal site and water level value can be monitored in real time.
The bottom rubbing device include driving wheel 4, active wheel support 5, motor 6, motor belt 7, drum belt 14, from
Driving wheel 16, driven wheel support 17, motor by motor belt drive driving wheel rotate, driving wheel by drum belt drive from
Driving wheel is rotated, and the upper belt of drum belt is between front and rear baffle and loading plate in reserving gaps, is contacted with substrate model,
The height adjustable of active wheel support 5, makes drum belt 14 angularly be adjusted with loading plate 12.
A kind of block bulk material slope stability simulation experiment method, using above-mentioned testing machine, test method is specifically wrapped
Include following steps：
A, prepared by model
Consider substrate strength and porosity, make substrate model, model casing bottom is put into after model forming；On substrate model
Square natural packing bulk material, can be by particle size layer, pre-buried PVC deviational surveys flexible pipe during solid accumulation.
B, device is adjusted
Material substrate inclination angle is dumped according to scene, regulation combined metal bar, rolling stand height, considers refuse dump not
With the stability dumped in the substrate of inclination angle.
C, environmental simulation
Bobbing machine, water valve are opened, analog vibration, rainfall, underground water are influenceed on granular media side slope, and graded is opened, and research is single
The influence of factor, it can also open simultaneously, the stability of the lower granular media side slope of research various factors coupling effect.
D, data monitoring
During experiment, slopes intrinsic displacement value is continued to monitor, water level value in slopes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention
God and all any modification, equivalent and improvement made within principle, such as change strut quantity, change bobbing machine and front apron and connect
The form of touching etc., should be included in the scope of the protection.
Claims (9)
1. a kind of block bulk material slope stability simulation test device and test method, including side slope model, substrate model,
Frame mounting, vibrating device, water supply installation, monitoring device, bottom rubbing device, it is characterised in that：Side slope model, substrate model are put
Put in the model casing that frame mounting is formed, vibrating device is connected with model casing front apron by sucker, and water supply installation passes through water
Box bracket is connected with frame mounting, monitoring device include being embedded in the PVC hose that surrounding in side slope model punches, monitoring probe and
Data logger forms, and bottom rubbing device establishes one's own system and one end height adjustable, is nested in frame mounting.
A kind of 2. block bulk material slope stability simulation test device according to claim 1, it is characterised in that：Institute
The side slope model stated is that the bulk material accumulation of separate unit rank or multi-step forms, and the substrate model is to consider hole by analog material
Gap rate, the 4th system of intensity or mud stone, charcoal mudrock compacting form.
A kind of 3. block bulk material slope stability simulation test device according to claim 1, it is characterised in that：Institute
Stating frame mounting includes model casing, support meanss, base；Described model casing is made up of four pieces of baffle plates with loading plate, the gear
Front apron is highly minimum in plate, and its excess-three block baffle plate is contour, and baffle edge punching in both sides takes steel wire lashing with loading plate, front and rear
Baffle edge punching is connected with two side shield steel wire lashings, and drum belt is close in front and rear baffle bottom.
4. a kind of block bulk material slope stability simulation test device according to claim 1 and 3, its feature exist
In：The support meanss include combined metal bar, fixed bracket, base, and the combined metal bar passes through lock-screw
Can accurate adjustment fixing device front height, realize the simulation that inclination angle is dumped to refuse dump difference；Metal loop bar and fixed branch
Frame is connected by pin with the pin slot of loading plate bottom surface, and graduated metal bar is connected with fixed bracket by screw thread and base
Connect.
A kind of 5. block bulk material slope stability simulation test device according to claim 1, it is characterised in that：Institute
State vibrating device to be connected with front apron by sucker including sucker, bobbing machine, bobbing machine, the vibration wave of bobbing machine transmitting passes through base
Bed die type reaches the bottom of side slope model.
A kind of 6. block bulk material slope stability simulation test device according to claim 1, it is characterised in that：Institute
State the supply tank bottom surface in water supply installation and beat water supply aperture, it is sustainable it is constant supplied water to side slope model, and water supply hole diameter
It is adjustable, realize that different rainfalls are simulated to granular media slope stability；Header tank in the water supply installation passes through aqueduct and base
Bed die type connects.
A kind of 7. block bulk material slope stability simulation test device according to claim 1, it is characterised in that：Institute
State pre-buried PVC hose surrounding in monitoring device and beat Process, water can enter PVC hose in side slope body.
A kind of 8. block bulk material slope stability simulation test device according to claim 1, it is characterised in that：Institute
Bottom rubbing device is stated by driving wheel, active wheel support, motor, motor belt, drum belt, driven pulley, driven wheel support structure
Into, motor drives driving wheel to rotate through motor belt, and driving wheel drives driven pulley to rotate through drum belt, wherein, driving wheel
Support height be can adjust, and regulation up and down synchronous with model casing can be realized by lock-screw.
9. a kind of block bulk material slope stability simulation experiment method, utilizes a kind of block described in one of claim 1 to 9
Body bulk material slope stability simulation test device, it is characterised in that：Comprise the following steps：
A, prepared by model
Consider substrate strength and porosity, make substrate model, model casing bottom is put into after model forming；Above substrate model certainly
Right bulk material material, can be by particle size layer, pre-buried PVC deviational surveys flexible pipe during solid accumulation；
B, device is adjusted
Material substrate inclination angle is dumped according to scene, regulation combined metal bar, rolling stand height, considers that refuse dump is inclined in difference
The stability dumped in the substrate of angle；
C, environmental simulation
Bobbing machine, water valve are opened, analog vibration, rainfall, underground water are influenceed on granular media side slope, and graded is opened, and studies single factor test
Influence, can also open simultaneously, the stability of the lower granular media side slope of research various factors coupling effect；
D, data monitoring
During experiment, slopes intrinsic displacement value is continued to monitor, water level value in slopes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711268946.6A CN107843447A (en) | 2017-12-05 | 2017-12-05 | A kind of block bulk material slope stability simulation test device and test method |
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| CN201711268946.6A CN107843447A (en) | 2017-12-05 | 2017-12-05 | A kind of block bulk material slope stability simulation test device and test method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405785A (en) * | 2018-12-19 | 2019-03-01 | 石家庄铁道大学 | The determination method of side slope vibration displacement change monitoring device and slope displacement |
| CN110646588A (en) * | 2019-09-30 | 2020-01-03 | 浙江海洋大学 | Device for measuring stability of rock slope under vibration load effect |
| CN112198298A (en) * | 2020-09-29 | 2021-01-08 | 河北水利电力学院 | Bulk accumulation bulk slope stability simulation experiment device |
| CN113818497A (en) * | 2021-09-24 | 2021-12-21 | 中南大学 | Three-dimensional end friction test device of side slope |
| CN114740178A (en) * | 2022-03-24 | 2022-07-12 | 胡利航 | Slope internal erosion instability test device |
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| CN113818497A (en) * | 2021-09-24 | 2021-12-21 | 中南大学 | Three-dimensional end friction test device of side slope |
| CN114740178A (en) * | 2022-03-24 | 2022-07-12 | 胡利航 | Slope internal erosion instability test device |
| CN114740178B (en) * | 2022-03-24 | 2024-02-23 | 胡利航 | Slope internal erosion instability test device |
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Application publication date: 20180327 |