CN208907896U - Open-pit slope deformation testing device under a kind of indoor simulation condition of raining - Google Patents
Open-pit slope deformation testing device under a kind of indoor simulation condition of raining Download PDFInfo
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- CN208907896U CN208907896U CN201821714747.3U CN201821714747U CN208907896U CN 208907896 U CN208907896 U CN 208907896U CN 201821714747 U CN201821714747 U CN 201821714747U CN 208907896 U CN208907896 U CN 208907896U
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Abstract
The utility model discloses open-pit slope deformation testing devices under a kind of indoor simulation condition of raining, device includes side slope analog simulation tentative module, rainfall simulation module, monitoring modular, the side slope analog simulation tentative module includes that side slope heap builds object, model framework, side slope heap is built object and is contained in model framework, the rainfall simulation module includes rainfall sink, water main, water tank, water tank is connect by water main with rainfall sink, the rainfall sink is arranged on model framework top, the monitoring modular includes monitoring drawing pin, for observing the theodolite of monitoring drawing pin change in displacement, monitoring drawing pin setting is built on object in side slope heap, the rainfall sink is equipped with the groove being filled with water, the bottom plate of groove opens up several rainfall holes.Simulate the construction of side slope, fall shape when water is flowed out from rainfall hole in raindrop, simulated rainfall is more true and reliable, can slope deforming under ideal simulated rainfall conditions, meet analysis of slope deformation process, force-mechanism and influence stability of slope sexual factor.
Description
Technical field
The utility model belongs to open-pit slope test field, specifically, under being related to a kind of indoor simulation condition of raining
Open-pit slope deformation testing device.
Background technique
Open mine side slope stability is the important topic that China's opencast mining must face, and slope instability is to mine
Recluse person, mechanical equipment bring safely great threat, are a kind of very heavy geological disasters.Unstability machine is being destroyed in side slope
Reason and feature are studied, and are the important research direction and key in Mine Safety in Production field to make counter-measure in advance
Technology.At this stage, the research by analog simulation analysis of experiments slope instability mechanism in open-pit slope room is fewer, this is significantly
Limit the understanding and exploration of side slope engineering instability Mechanism.
Slope Stability of Open Pit Mines is affected by rainfall infiltration, rainfall why be cause slope instability it is important because
Element, on the one hand the totally unfavorable hole of Slope Stability can be further increased by earth's surface infiltration rock mass by being primarily due to rainfall rainwater
Water pressure, on the other hand, the physico-mechanical properties of Rock And Soil change after rock mass immersion, strength reduction, i.e. generation aquation is existing
As causing Rock And Soil to be easy unstability.The lasting exploitation of opencut forms a large amount of high gradient slope engineering, a large amount of landslide accidents
During betiding rainfall or after rainfall, therefore studies rainfall infiltration and induce changing for open-pit slope seepage through soil mass field and stress field
Become, and thus caused slope instability failure mechanism, all has highly important meaning.So being carried out for open-pit slope
The analysis of indoor simulation rainfall simulation experiment is necessary, and can provide indispensable important number to improve slope stability
According to.
A large amount of scene and indoor side slope rainfall simulation experiment are an important link of Slope Design protection, rainfall simulation experiment mistake
Needed in journey using to a key equipment be rainfall simulator.Currently, can simulated rainfall infiltrate and opencut side
The experimental rig of slope stability coupling is extremely rare, is unable to satisfy scientific research needs.Many devices simulate drop using spray head
Rain, simulated rainfall form that can not be appropriate cause device little to the stability directive significance of practical side slope.
In view of this special to propose the utility model.
Utility model content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of indoor simulation rainfall
Under the conditions of open-pit slope deformation testing device, the Dynamic Evolution of condition of raining slope unstability is tracked, is analyzed
And research, to instruct opencast mining to provide technical support.
In order to solve the above technical problems, the basic idea of the utility model adopting the technical scheme is:
Open-pit slope deformation testing device under a kind of indoor simulation condition of raining, including side slope analog simulation test mould
Block, rainfall simulation module, monitoring modular, the side slope analog simulation tentative module include that side slope heap builds object, model framework, side slope
Heap is built object and is contained in model framework, and the rainfall simulation module includes rainfall sink, water main, water tank, and water main is by water tank
It is connect with rainfall sink, on model framework top, the monitoring modular includes monitoring drawing pin, for seeing for the rainfall sink setting
The theodolite of monitoring drawing pin change in displacement is surveyed, monitoring drawing pin setting is built on object in side slope heap, and the rainfall sink is equipped with and is filled with water
Groove, the bottom plate of groove open up several rainfall holes.
Further, the side slope analog simulation tentative module further includes for the slope surface water outlet of rainfall, several to be discharged
The rainfall sink lifting fixation hole of different height, the catch basin for collecting discharge rainfall, the slope surface water outlet are arranged in model frame
The top end part of model framework is arranged in the bottom of frame, the rainfall sink lifting fixation hole, and rainfall sink passes through rainfall sink liter
Fixation hole installation is dropped to fix.
Further, the model framework is in rectangular shape, is formed by overlapping by channel steel, bolt, the height h of channel steel is
The wide b of 5cm~40cm, leg is 3cm~11cm, waist is with a thickness of 4mm~15mm, and the channel steel is equipped with the mould for installing crossbeam
Type branch guard aperture, pitch of holes 10cm, diameter 1cm;The length of the slope surface water outlet in 10cm~18cm, highly 2cm~
5cm。
Further, several rainfall sink lifting fixation holes are symmetricly set on the channel steel of model two sides, and are arranged more
Row, spacing 3cm~6cm, two holes of every row, pitch of holes 5cm, bore dia are 8mm~15mm.
Further, further include platform load compression module, the platform load compression module include the fixed channel steel in top,
Pressure structure, the load controller with pressure structure control connection, the fixed channel steel in top are connected and fixed with model framework, pressurization knot
Structure includes suspender, telescopic oil cylinder, the force transmitting board connecting with telescopic oil cylinder, oil pipe, and the telescopic oil cylinder passes through suspender and top
The fixed channel steel connection in portion, telescopic oil cylinder are connect by oil pipe with load controller.
Further, the rainfall sink is that galvanized sheet or plastic plate are made, and thickness is not greater than 1cm, the drop
Rainwater tank cannot be less than 1cm in rectangle, long 2m, width 20cm, depth 5cm, adjacent rainfall pitch of holes, and rainfall bore dia cannot be less than
5mm。
Further, the rainfall simulation module further includes isocon, flow rate test meter, ball valve, pressure controller, water pipe
Snap ring is gone up and down, water main is connect with isocon, and isocon is several, and is evenly arranged on rainfall sink to supply into rainfall sink
Water, the flow rate test meter, ball valve, pressure controller are mounted on water main, and the water pipe lifting snap ring is arranged in water main
One end being connect with water tank, for controlling position of the nozzle of water main in water tank.
Further, the rainfall simulation module further includes partition, plug, and partition is arranged in rainfall sink for that will drop
Rainwater tank is separated into several regions, and plug is matched with the water outlet of isocon to block water outlet.
Further, the isocon number is no less than 5, and spacing shunts pipe diameter and be not less than in 10cm~30cm
The diameter of 2cm, the water main cannot be less than 3cm.
Further, the height size that the side slope heap builds object is determined according to Practical Project parameter and the likelihood ratio, institute
The size for stating monitoring drawing pin is determined according to the precision of model monitoring, is monitored and is posted crosshair on drawing pin or be carved with crosshair.
Further, the monitoring modular further includes several pore water pressure testers, several stress monitoring meters, Ruo Ganwei
Type water cut test meter, record side slope heap build composition deformation process and the high-speed camera for analysis, and several pore water pressures are surveyed
Examination meter, several stress monitoring meters and miniature water cut test meter are arranged at side slope heap and build in object, and connect with reading instruments.
After adopting the above technical scheme, the utility model has the advantages that compared with prior art.
Side slope analog simulation tentative module, rainfall simulation module, monitoring modular is arranged in the utility model, simulates the structure of side slope
It makes, falls shape when water is flowed out from rainfall hole in raindrop, the difference of difference and injection simulation, simulated rainfall is more true and reliable, can
Slope deforming under ideal simulated rainfall conditions meets deformation process, force-mechanism and some effects of analysis of slope
The factor of slope stability, the utility model experimental rig structure is simple, and test operation is convenient, while having low cost, Yi Shi
Existing advantage.
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
The a part of attached drawing as the application, is further understood from the utility model for providing, the utility model
Illustrative embodiments and their description for explaining the utility model, but do not constitute improper limits to the present invention.Obviously,
The accompanying drawings in the following description is only some embodiments, to those skilled in the art, is not paying creative labor
Under the premise of dynamic, it can also be obtained according to these attached drawings other accompanying drawings.In the accompanying drawings:
Fig. 1 is utility model device structural schematic diagram;
Fig. 2 is the utility model rainfall sink structure schematic diagram;
Fig. 3 is the utility model suspender structural schematic diagram.
In figure: 1, model framework;2, side slope heap builds object;3, drawing pin is monitored;4, model branch guard aperture;5, the lifting of rainfall sink is solid
Determine hole;6, theodolite;7, rainfall sink;8, isocon;9, water main;10, rainfall hole;11, flow rate test meter;12, ball valve;
13, pressure controller;14, tank bracket;15, water pipe goes up and down snap ring;16, water tank;17, tank inlet pipe;18, model supporting is horizontal
Beam;19, catch basin;20, slope surface water outlet;21, pore water pressure tester;22, stress monitoring meter;23, cable;24, high speed
Video camera;25, pore water pressure readout instrument;26, stress readout instrument;27, the fixed channel steel in top;28, telescopic oil cylinder;29, power transmission
Plate;30, oil pipe;31, load controller;32, riser;33, transverse slat;34, partition;35, plug;36, miniature water cut test
Meter;37, moisture content readout instrument.
It should be noted that these attached drawings and verbal description are not intended to limit the design of the utility model in any way
Range, but illustrate the concept of the utility model for those skilled in the art by referring to specific embodiments.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution in embodiment is clearly and completely described in attached drawing in type embodiment, and following embodiment is for illustrating this
Utility model, but be not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.
For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
Embodiment one
As shown in Figure 1 and Figure 2, open-pit slope deformation test under a kind of indoor simulation condition of raining described in the present embodiment
Device, including side slope analog simulation tentative module, rainfall simulation module, platform load compression module, monitoring modular.
Specifically, side slope analog simulation tentative module includes that side slope heap builds object 2, model framework 1, slope surface water outlet 20, drop
Rainwater tank goes up and down fixation hole 55, catch basin 19, and side slope heap is built object 2 and is contained in model framework 1, and the composition that side slope heap builds object 2 is used
Sand, gypsum, iron powder, mica sheet, mica sheet simulate interlayer structure, according to test requirements document, are similarly configured material in certain proportion
Material forms side slope heap and builds object 2, and the height size that side slope heap builds object 2 is determined according to Practical Project parameter and the likelihood ratio;Slope surface
The bottom of model framework 1 is arranged in water outlet 20, and for rainfall to be discharged, the length of slope surface water outlet 20 is in 10cm~18cm, height
Degree is collected after 2cm~5cm, rainfall discharge by catch basin 19;Model framework 1 is arranged in rainfall sink lifting fixation hole 55
Top end part, the different height for rainfall sink 7 are installed, and rainfall sink lifting fixation hole 55 is symmetricly set on model two sides channel steel
On, and multiple rows of, spacing 3cm~6cm is set, two holes of every row, pitch of holes 5cm, bore dia is 8mm~15mm, detachable to pacify
Dress is adjusted convenient for the different height of rainfall sink 7.Model framework 1 is in rectangular shape, is formed by overlapping by channel steel, bolt, channel steel
Gauge height h be 5cm~40cm, the wide b of leg is 3cm~11cm, waist is with a thickness of 4mm~15mm, channel steel is equipped with for installing
The model branch guard aperture 4 of crossbeam, pitch of holes 10cm, diameter 1cm, the increase of model supporting crossbeam 18 in this example enhance model
The structural stability of frame 1.
Rainfall simulation module include rainfall sink 7, water main 9, water tank 16, isocon 8, flow rate test meter 11, ball valve 12,
Pressure controller 13, water pipe go up and down snap ring 15, and rainfall sink 7 is arranged on 1 top of model framework, and rainfall sink 7 is fluted, groove
Bottom plate open up several rainfall holes 10, the connection of 9 one end water tank 16 of water main, the other end is connect with isocon 8, if isocon 8 is
It is dry, and be distributed on rainfall sink 7, to supply water into rainfall sink 7;Flow rate test meter 11, ball valve 12, pressure controller 13 are pacified
On water main 9, one end that water main 9 is connect with water tank 16 is arranged in water pipe lifting snap ring 15, for controlling water main 9
Position of the nozzle in water tank 16.Water tank 16 is mounted on tank bracket 14, and the position of water tank 16 is higher than model framework 1 and side
Slope, convenient for combining potential energy control water flow pressure and speed, water tank 16 is by 17 water supply of tank inlet pipe, while the water of isocon 8 is first
Rainfall sink 7 is collected in, then broken by falling on side under rainfall hole 10, it is convergent with falling down from the building naturally for rainfall, it can more be bonded rainfall
Water falls potential energy, cooperates the density of side slope, realizes truer more accurate rainfall simulation.Preferably, rainfall simulation module further includes
Partition 34, plug 35, partition 34, which is arranged in rainfall sink, to be used for rainfall sink separator into several regions, plug 35 and shunting
The water outlet of pipe is matched to block water outlet, is controlled with the cooperation of partition 34 and plug 35 by rainfall sink separator at different zones
The area of rainfall processed and region, to realize the rainfall simulation in different side slope regions.Here rainfall sink 7 is galvanized sheet or plastics
Plate is made, and thickness is not greater than 1cm, and rainfall sink 7 is in rectangle, long 2m, width 20cm, depth 5cm, adjacent 10 spacing of rainfall hole
It cannot be less than 1cm, 10 diameter of rainfall hole cannot be less than 5mm.8 numbers of isocon are no less than 5, and spacing is divided in 10cm~30cm
8 diameter of flow tube is not less than 2cm, and the diameter of water main 9 cannot be less than 3cm.
Platform load compression module includes the fixed channel steel 27 in top, pressure structure, the load with pressure structure control connection
Controller 31, the installation that can directly arrange in pairs or groups with model branch guard aperture 4 of the fixed channel steel 27 in top are fixed, model branch guard aperture 4 be arranged it is several,
And it is highly controllable, the fixation position of the fixed channel steel 27 in control top can be facilitated, by bolt it is easy to disassemble with connect;Pressurization
Structure includes suspender, telescopic oil cylinder 28, the force transmitting board 29 connecting with telescopic oil cylinder 28, oil pipe 30, and telescopic oil cylinder 28 passes through outstanding
Pendant is connect with the fixed channel steel 27 in top, and suspender is made of two risers, 32, transverse slats 33, and the fixed channel steel 27 in top opens up
Mounting hole, two risers 32 are fixed on channel steel 27 by the bolt connection top of mounting hole, and a transverse slat 33 is located at two
Between a riser 32, and two risers 32 are connected, telescopic oil cylinder 28 is connect with transverse slat 33, during such telescopic oil cylinder 28 had both been located at
Between position, the piston of telescopic oil cylinder 28 connect with force transmitting board 29, and force transmitting board 29 is for acting on pressure in side slope, telescopic oil cylinder 28
It is connect by oil pipe 30 with load controller 31.By load controller 31 control provide pressure oil number, reach control pass
The size of 29 pressure transmission of power plate controls, and realizes the control of side slope platform different pressures.
Monitoring modular includes monitoring drawing pin 3, theodolite 6, several pore water pressures for observing monitoring drawing pin change in displacement
Power tester 21, several stress monitoring meters 22, several miniature water cut test meters 36, record side slope heap are built composition deformation process and are used in combination
In the level height shooting machine 24 of analysis, monitors the setting of drawing pin 3 and built on object 2 in side slope heap, theodolite 6 and level height shooting machine 24 are by branch
Frame support, bracket can adjust height, and the size for monitoring drawing pin 3 is determined according to the precision of model monitoring, monitor and post on drawing pin 3
Crosshair is carved with crosshair;Several pore water pressure testers 21, several stress monitoring meters 22, several miniature water cut tests
Meter 36 is arranged at side slope heap and builds in object, and pore water pressure tester 21 is connected with pore water pressure readout instrument 25 by cable 23
It connects, stress monitoring meter 22 is connect with stress readout instrument 26 by cable 23, and several miniature water cut test meters 36 are read with moisture content
Number instrument 37 is connected by cable 23.After rainfall and rainfall, the change in displacement point of metering crosshair is observed by theodolite 6
The deformation process for analysing side slope is learnt the variation of pressure and stress by pore water pressure readout instrument 25 and stress readout instrument 26, in conjunction with
The recording image of level height shooting machine 24, the factor that synthesis carrys out analysis of slope force-mechanism, influences slope stability.
Test method, comprising the following steps:
Step 1, it is ready to test sand used, gypsum, iron powder and mica sheet, according to test requirements document, in certain proportion
It is similarly configured material, mica sheet builds side slope using support patterns such as templates to simulate interlayer structure come heap, during heap is built
22, miniature water cut test counts 36, and and reading instruments based on test requirements document laying pore water pressure tester 21, stress monitoring
Connection;
Step 2, prepare test equipment, by water tank 16, water main 9, isocon 8, rainfall sink 7,11 and of flow rate test meter
Pressure controller 13 connects, while rainfall sink 7 is gone up and down fixation hole 55 by rainfall sink with model framework 1 and is connect;
Step 3, fixed channel steel 27 and pressure structure at the top of mounting platform load, pressure structure is mounted on and needs to apply lotus
Above the side slope step platform of load;
Step 4, monitoring drawing pin 3 side slope heap is arranged in by the monitoring progress of test requirements document to build on object 2;
Step 5, the bracket of the good theodolite 6 of frame, theodolite 6 is rack-mount, and the alignment lens of theodolite 6 are tried
The monitoring point of side slope in experiment device;
Step 6, the injected clear water into water tank 16, the clear water amount injected in water tank 16 should meet used in primary test
Clear water amount;
Step 7, the rainfall to simulate under varying strength is controlled by opening ball valve 12 and setting pressure, flows through side slope
Water by slope surface water outlet 20 be discharged, collected by catch basin 19;
Step 8, it is set based on the test certain rain time, after rain time reaches, closes ball valve 12, survey crew uses
Theodolite 6 is monitored model, and by data record, at the same by with pore water pressure tester 21, stress monitoring meter 22,
The reading instruments record data that miniature water cut test meter 36 connects and the image that level height shooting machine 24 is shot, in conjunction with can analyze
Deformation of the side slope in condition of raining;
Step 9, after the test, the water in catch basin 19 is outwelled.
Advantage:
1, two side stand of frame model is bolted by channel steel, can increase the width of frame model by channel steel,
Model is piled up to obtain various sizes of side slope.
2, by artificial heap building method, side slope heap, which builds object, can simulate different earth surface of side slope forms, different step heights.With
And simulation slope rock mass internal structure, such as stratiform sloe etc..Similar materials choose different types of material simultaneously, use
Different proportions may be implemented to simulate different types of open-pit slope.
3, since rainfall sink is using uniformly punching, it can effectively control Simulated rainwater and be uniformly distributed, realize to various drops
The simulation of raininess degree.The rainfall sink that different pore size distribution can be made according to test requirements document meets different drops in simulation nature
The case where rain density.
4, it installs detachable partition realization additional and subregion is from left to right carried out to rainfall sink, by installation and dismounting partition, and
Realize that simulation is inclined to the rainfall of direction subregion along side slope in conjunction with pipe plug is shunted.
5, open-pit slope rainfall infiltration research often focuses on numerical simulation, compares in side slope indoor model experiments
It is few.In this test, by building the pore water pressure buried inside small-sized pore pressure gauge measurement side slope in object in side slope heap,
It collects data and obtains the pore water pressure situation inside different condition of raining slopes, to show that the seepage field inside side slope becomes
Change situation, instructs opencast mining.
6, the stress buried inside small-sized stress meter measurement side slope in object is built in side slope heap, analysis data show that simulation is different
Stress situation inside condition of raining slope, and obtain the change of stress field situation inside side slope.
7, by arrangement vertical load system, realize that evenly load is arranged at the simulation a certain step platform top of open-pit slope
Actual conditions.
8, the interior condition of raining slope analog simulation experimental rig has weight to open-pit slope instability Mechanism research
The realistic meaning wanted.
Side slope analog simulation tentative module, rainfall simulation module, platform load compression module, monitoring is arranged in the utility model
Module, simulates the construction of side slope, falls shape when water is flowed out from rainfall hole in raindrop, the difference of difference and injection simulation, simulation drop
Rain is more true and reliable, the slope deforming under simulated rainfall conditions that can be ideal, meet analysis of slope deformation process, by
The factor of power mechanism and some effects slope stability, the utility model experimental rig structure is simple, and test operation is convenient, simultaneously
Have the advantages that low cost, Yi Shixian.
The above is only the preferred embodiment of the utility model, not makees in any form to the utility model
Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with
The technical staff of this patent is not departing within the scope of technical solutions of the utility model, when the technology contents work using above-mentioned prompt
A little equivalent embodiment changed or be modified to equivalent variations out, but all contents without departing from technical solutions of the utility model,
Any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still belong to
In the range of the utility model.
Claims (9)
1. open-pit slope deformation testing device under a kind of indoor simulation condition of raining, which is characterized in that including the similar mould of side slope
Quasi- tentative module, rainfall simulation module, monitoring modular, the side slope analog simulation tentative module includes that side slope heap builds object, model
Frame, side slope heap are built object and are contained in model framework, and the rainfall simulation module includes rainfall sink, water main, water tank, main water
Water tank is connect by pipe with rainfall sink, and on model framework top, the monitoring modular includes monitoring figure for the rainfall sink setting
Nail, the theodolite for observing monitoring drawing pin change in displacement, monitoring drawing pin setting are built on object in side slope heap, and the rainfall sink is set
There is the groove being filled with water, the bottom plate of groove opens up several rainfall holes.
2. open-pit slope deformation testing device under a kind of indoor simulation condition of raining according to claim 1, feature
It is, the side slope analog simulation tentative module further includes the drop of slope surface water outlet for rainfall to be discharged, several different heights
The catch basin that rainwater tank goes up and down fixation hole, collects discharge rainfall, the bottom of model framework is arranged in the slope surface water outlet, described
The top end part of model framework is arranged in rainfall sink lifting fixation hole, and rainfall sink goes up and down fixation hole installation admittedly by rainfall sink
It is fixed.
3. open-pit slope deformation testing device under a kind of indoor simulation condition of raining according to claim 2, feature
It is, the model framework is in rectangular shape, is formed by overlapping by channel steel, bolt, and the height h of channel steel is 5cm~40cm, leg is wide
B is 3cm~11cm, waist is with a thickness of 4mm~15mm, and the channel steel is equipped with the model branch guard aperture for installing crossbeam, pitch of holes
For 10cm, diameter 1cm;The length of the slope surface water outlet is in 10cm~18cm, highly in 2cm~5cm.
4. open-pit slope deformation testing device under a kind of indoor simulation condition of raining according to claim 3, feature
It is, several rainfall sink lifting fixation holes are symmetricly set on the channel steel of model two sides, and setting is multiple rows of, spacing 3cm~
6cm, two holes of every row, pitch of holes 5cm, bore dia are 8mm~15mm.
5. open-pit slope deformation testing device under a kind of indoor simulation condition of raining according to claim 1, feature
Be, further include platform load compression module, the platform load compression module include the fixed channel steel in top, pressure structure, with
The load controller of pressure structure control connection, the fixed channel steel in top are connected and fixed with model framework, and pressure structure includes suspension
Part, telescopic oil cylinder, the force transmitting board connecting with telescopic oil cylinder, oil pipe, the telescopic oil cylinder pass through the fixed channel steel of suspender and top
Connection, telescopic oil cylinder are connect by oil pipe with load controller.
6. open-pit slope deformation testing device under a kind of indoor simulation condition of raining according to claim 1, feature
It is, the rainfall sink is that galvanized sheet or plastic plate are made, and thickness is not greater than 1cm, and the rainfall sink is in rectangle,
Long 2m, width 20cm, depth 5cm, adjacent rainfall pitch of holes cannot be less than 1cm, and rainfall bore dia cannot be less than 5mm.
7. open-pit slope deformation testing device under a kind of indoor simulation condition of raining according to claim 1, feature
It is, the rainfall simulation module further includes isocon, flow rate test meter, ball valve, pressure controller, water pipe lifting snap ring, master
Water pipe is connect with isocon, and isocon is several, and is evenly arranged on to supply water into rainfall sink on rainfall sink, and the flow is surveyed
Examination meter, ball valve, pressure controller are mounted on water main, and the water pipe lifting snap ring is arranged in water main is connect with water tank one
End, for controlling position of the nozzle of water main in water tank.
8. open-pit slope deformation testing device under a kind of indoor simulation condition of raining according to claim 7, feature
Be, the rainfall simulation module further includes partition, plug, partition be arranged in rainfall sink for by rainfall sink separator at
Several regions, plug are matched with the water outlet of isocon to block water outlet, and the isocon number is no less than 5, and spacing exists
10cm~30cm shunts pipe diameter and is not less than 2cm, and the diameter of the water main cannot be less than 3cm.
9. open-pit slope deformation testing device under a kind of indoor simulation condition of raining according to claim 1, feature
It is, the height size that the side slope heap builds object is determined according to Practical Project parameter and the likelihood ratio, the monitoring drawing pin
Size is determined according to the precision of model monitoring, is monitored and is posted crosshair on drawing pin or be carved with crosshair, the monitoring modular also wraps
It includes several pore water pressure testers, several stress monitoring meters, several miniature water cut test meters, record side slope heap and builds composition deformation
Process and the high-speed camera for being used for analysis, several pore water pressure testers, several stress monitoring meters and miniature moisture content are surveyed
Examination meter is arranged at side slope heap and builds in object, and connect with reading instruments.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109283317A (en) * | 2018-10-23 | 2019-01-29 | 昆明理工大学 | Open-pit slope deformation testing device and method under a kind of indoor simulation condition of raining |
CN111638319A (en) * | 2020-06-15 | 2020-09-08 | 南昌大学 | Test device for simulating rainfall seepage |
-
2018
- 2018-10-23 CN CN201821714747.3U patent/CN208907896U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109283317A (en) * | 2018-10-23 | 2019-01-29 | 昆明理工大学 | Open-pit slope deformation testing device and method under a kind of indoor simulation condition of raining |
CN111638319A (en) * | 2020-06-15 | 2020-09-08 | 南昌大学 | Test device for simulating rainfall seepage |
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