CN108982814A - Slope stability mechanism study universal model pilot system under the conditions of more seepage flow - Google Patents
Slope stability mechanism study universal model pilot system under the conditions of more seepage flow Download PDFInfo
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- CN108982814A CN108982814A CN201810876185.0A CN201810876185A CN108982814A CN 108982814 A CN108982814 A CN 108982814A CN 201810876185 A CN201810876185 A CN 201810876185A CN 108982814 A CN108982814 A CN 108982814A
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Abstract
The present invention discloses slope stability mechanism study universal model pilot system under the conditions of a kind of more seepage flow, changes the lower seepage of slope classification induced for various Complex Water Environments, realizes different seepage flow conditions by designing three kinds of different boundaries in model equipment.Boundary 1 (rainer) can be used to the lower slope instability of simulated rainfall effect, boundary 2 (water feeding tank and porous glass plate) can be used to simulate side slope rear crack water-filling or rear fixed level change caused by side seepage unstability, boundary 3 (water filling space) can be used to simulate side slope bottom water level and rise or the caused seepage flow unstability from the bottom up of partial pressing's water effect.Three kinds of boundaries both can be used alone, and also can be combined with each other coupling and uses, and realize that various working preferably simulates the variation of side slope surrounding aqueous environment.It according to different Practical Project situations, is simulated by different operating conditions, provides reference to prevent and reduce natural disasters for slope stability.
Description
Technical field
The present invention relates to test model technical fields, grind more particularly to slope stability mechanism under the conditions of a kind of more seepage flow
Study carefully universal model pilot system.
Background technique
Side slope slump has the characteristics that widely distributed, outburst frequency is high, harmfulness is big.Research shows that most of slope instability
It is induced by water.The slope instability induced by water is mainly manifested in following three aspects according to Complex Water Environment situation of change.First,
In rainy season, rainfall is obvious, rainfall, raininess, short-time storm and it is long last light rain all can side slope generate and greatly threaten,
Such situation is common in the various slope instabilities of rainfall induction.Second, the Gao Shui of the crack water-filling of side slope rear either rear
Under the effect of position, seepage flow also usually brings adverse effect in lateral slope, and such situation is more common in the sides such as side slope of embankment along the river or dykes and dams
To seepage flow unstability.Third switchs to flood season from dry season, and slope underground water position can be gradually lifted, side slope bottom will receive artesian water or
The effect water content of capillary water is continuously increased by side slope bottom surface to top leads to unstability, and such situation is more common in groundwater environment change
Change complex slope.Therefore, the research of slope stability is a particularly significant and complicated project under the conditions of different seepage flow.When
Before, the research of side slope instability Mechanism is concentrated mainly in experimental basis.Although model test has a fixed limit in dimensional effect
System, but experimental condition controls flexibly, and program is simple, safety is cheap, has good operability and repeatability, again by interior
Existing slope instability process, can provide direct reference data for researcher.Therefore, it is studied by the method for indoor model test
Slope instability mechanism has important practical significance.Domestic and international existing model test apparatus is less, and device is simple, mostly concentrates
Slope instability under simulated rainfall effect.And rainfall simulation degree is not high, mode is single, at the same can not to crack water-filling,
A variety of seepage boundary situations caused by the Complex Water Environments such as side slope rear and bottom surface SEA LEVEL VARIATION, artesian water carry out analog study.
Currently, there are the deficiencies of following several respects for domestic and international slope model test device:
(1) the geologic structure construction that can be simulated is single, and geometric dimension differs larger with practical;
(2) the seepage flow condition that can be simulated is single, has focused largely on Rainfall test;
(3) the case where model equipment leakproofness is not good enough, and there are leaks;
(4) contact problems of the cable for the sensor for needing to lay in test and the test soil body;
(5) muck haulage of test front and back is more difficult.
Summary of the invention
The object of the present invention is to provide slope stability mechanism study universal model pilot system under the conditions of a kind of more seepage flow,
To solve the above-mentioned problems of the prior art, pilot system simple structure, input cost small to place size and Clearance requirement
It is low, reusable, under the conditions of different seepage flow caused by Complex Water Environment variation, the slope stability mechanism of multiple types soil
It inquires into and provides effective method and means with model investigation.
To achieve the above object, the present invention provides following schemes: it is steady that the present invention provides a kind of more seepage flow condition slopes
Qualitative mechanism study universal model pilot system, including model equipment, rainer and monitoring data device, the model equipment
Including organic glass structure and steel frame, the organic glass structure is mounted on surrounding and the bottom surface of the steel frame, with water tank
The rainer of connection is fixed on the top of the steel frame;The trapezoidal compacting of side slope test soil sample is placed on the model
The other side of the side of device, the model equipment is provided with drainage ball valve;The monitoring data device includes computer and biography
Sensor group, the sensor group are correspondingly arranged in the test soil sample layer of compacting and electrically connect with the computer.
Preferably, the steel frame includes the main support columns of four corners, upper cross-brace beam and is sequentially connected main support column
The lower cross-brace beam of bottom end;It is reference with ground, the lower cross-brace depth of beam is 0.2m, is located at the main support column
Width direction and the upper cross-brace depth of beam in the same direction with the drainage ball valve are 0.65m, remaining described upper cross-brace beam
It is all connected with the top for being set to the main support column.
Preferably, distribution equidistant between the beam of cross-brace up and down of the steel frame of side slope test soil sample side
There are the vertical bracing members of twice;Equidistant point between the beam of cross-brace up and down of steel frame on rear side of side slope test soil sample
It is furnished with twice transverse direction bracing members.
Preferably, steel sole plate is fixed on the lower cross-brace beam, and the main support column is located under the steel sole plate
The part of side also serves as support.
Preferably, the rainer is fixed on the top of the main support column, the rainfall by rainer bracket
The bottom end of the vertical square steel of four of appliance stand is U-shaped support, and the U-shaped support snaps on the upper cross-brace beam.
Preferably, the water tank is connected to by water pump and water supplying pipe with the rainer on the rainer bracket, institute
It states and is provided with inlet valve and flowmeter on water supplying pipe.
Preferably, the rainer is completed by pvc pipe, and apopore is equipped on pipe, and the aperture of the apopore is
1mm, pitch of holes 2.5cm.
Preferably, water feeding tank, the water feeding tank are provided in the steel frame and on rear side of side slope test soil sample
Be porous glass plate with the adjacent side of side slope test soil sample, in the water feeding tank from top to bottom with the porous glass plate
Vertically it is evenly equipped with several organic glass supports;The valve of multiple and different height is provided on the outside of the water feeding tank.
Preferably, the bottom side of the side slope test soil sample is provided with water filling space, and the top surface in the water filling space is permeable
The lateral surface of plate, the water filling space is equidistantly equipped with several valves.
Preferably, the sensor group of the monitoring data device includes that the equal matric suction with the computer link senses
Device, gap hydraulic pressure sensor and volume of aqueous quantity sensor;The volume of aqueous quantity sensor passes through signal transmssion line and data
Acquisition Instrument is connected;The monitoring data device further includes the high pixel digital camera and camera shooting with computer link and for monitoring
Machine.
The present invention achieves following technical effect compared with the existing technology:
Pilot system of the present invention is to consider that surrounding aqueous environment changes the slope instability universal model test under the conditions of more seepage flow
System.Change the lower seepage of slope classification induced for various Complex Water Environments, by designing three kinds of differences in model equipment
Boundary realize different seepage flow conditions.It boundary 1 (rainer) can be for the slope instability under simulated rainfall effect, side
Caused by boundary 2 (water feeding tank and porous glass plate) can be used to simulate the fixed level variation of side slope rear crack water-filling or rear
Side seepage unstability, boundary 3 (water filling space) can be used to simulate the rising of side slope bottom water level or the effect of partial pressing's water causes
Seepage flow unstability from the bottom up.Three kinds of boundaries both can be used alone, and also can be combined with each other coupling and uses, realizes various working
Preferably simulation side slope surrounding aqueous environment variation.According to different Practical Project situations, simulated by different operating conditions, with
Phase prevents and reduces natural disasters for slope stability and provides reference.In addition, the characteristics of being directed to side slope model and model test itself, model system
Semiclosed boundary is devised, slope labor intensity is made in the muck haulage that can greatly reduce test process, improves working efficiency.Structure of the present invention
Think strong innovation, it is multiple that pilot system simple structure, small to place size and Clearance requirement, input cost is low, reusable
Under the conditions of difference seepage flow caused by miscellaneous hydro-environmental change, the slope stability Exploration of Mechanism and model investigation of multiple types soil
Effective method and means are provided.
To sum up, it may be assumed that (1) present invention is able to carry out (single and group under the conditions of different seepage flow caused by Complex Water Environment variation
Close), multiple groups control, slope model test in the large scale room of multiple types soil can be also carried out under the conditions of same seepage flow;
(2) present invention can make muck haulage and the side slope modelling relative ease of experiment front and back, improve the work of test
Efficiency and its labor intensity of reduction;
It (3), can be easily by desired height and corresponding position paving soil production side slope model in test according to reference line is drawn
With embedded sensor;
(4) drainage ball valve of bottom plate according to the present invention, can simulate a variety of boundary conditions of side slope slope foot.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure chart that a kind of side slope of more seepage flow conditions of the present invention tests the general model system;
Fig. 2 is the side schematic view of water feeding tank;
Fig. 3 is the U-shaped seat structure figure of rainer bracket;
Fig. 4 is the front elevation view that a kind of side slope of more seepage flow conditions of the present invention tests the general model system
Fig. 5 is the left view of water feeding tank;
Fig. 6 is that the side slope of more seepage flow conditions tests the right elevation of the general model system;
Fig. 7 is that the side slope of more seepage flow conditions tests universal model pilot system figure;
Wherein, the main support column of 1-, the upper cross-brace beam of 2-, cross-brace beam under 3-, the vertical bracing members of 4-, 5- steel sole plate,
6- porous glass plate, 7- water feeding tank, 8- fill the water space, 9- valve, the support of 10- organic glass, 11- porous disc, 12- support, 13-
Shifting roller, 14- transverse direction bracing members, 15- side slope model, 16- organic glass structure, 17- drainage ball valve, 18- rainer branch
Frame, 19-U type support, 20- water tank, 21- water pump, 22- inlet valve, 23- flowmeter, 24- water supplying pipe, 25- rainer, 26-
Height is as digital camera, 27- data collecting instrument, 28- computer, 29- pore water pressure sensor, 30- matric suction sensor, 31-
Volume of aqueous quantity sensor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide slope stability mechanism study universal model pilot system under the conditions of a kind of more seepage flow,
To solve the above-mentioned problems of the prior art, pilot system simple structure, input cost small to place size and Clearance requirement
It is low, reusable, under the conditions of different seepage flow caused by Complex Water Environment variation, the slope stability mechanism of multiple types soil
It inquires into and provides effective method and means with model investigation.
Slope stability mechanism study universal model pilot system under the conditions of more seepage flow provided by the invention, including model dress
Set, rainer and monitoring data device, model equipment include organic glass structure and steel frame, organic glass structure is mounted on
The surrounding of steel frame and bottom surface, the rainer connecting with water tank are fixed on the top of steel frame;It is trapezoidal that side slope tests soil sample
Compacting is placed on the side of model equipment, and the other side of model equipment is provided with drainage ball valve;Monitoring data device includes calculating
Machine and sensor group, sensor group are correspondingly arranged in the test soil sample layer of compacting and electrically connect with computer.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Please refer to Fig. 1-7, wherein Fig. 1 is the knot that a kind of side slope of more seepage flow conditions of the present invention tests the general model system
Composition;Fig. 2 is the side schematic view of water feeding tank;Fig. 3 is the U-shaped seat structure figure of rainer bracket;Fig. 4 is that the present invention is a kind of more
Front elevation view Fig. 5 of the side slope test the general model system of seepage flow condition is the left view of water feeding tank;Fig. 6 is more seepage flow conditions
The right elevation of side slope test the general model system;Fig. 7 is that the side slope of more seepage flow conditions tests universal model pilot system figure.
As shown in figs. 1-7, slope stability mechanism study universal model is tested under the conditions of the present invention provides a kind of more seepage flow
System.
Including model equipment, water tank 20, water pump 21, inlet valve 22, flowmeter 23, water supplying pipe 24, rainer 25, base
Matter suction sensor 30, pore water pressure sensor 29, volume of aqueous quantity sensor 31, the computer 28 for monitoring and recording data,
Data collecting instrument 27, high pixel digital camera 26 and video camera.Wherein model equipment is fixed on by organic glass structure 16 with 4
It is constituted in the steel frame of~10mm thickness steel sole plate 5.It include: organic glass structure 16, steel frame, rainer bracket 18, left side
Water feeding tank 7, the water filling space 8 of bottom part, drainage ball valve 9, shifting roller 13.It is described in detail below that (1-8 is model equipment
Elaborate, 9-14 is that model assay systems other component parts elaborate):
(1) 16 surrounding of organic glass structure (being defined as four faces all around) and bottom plate are by the thick organic glass of 10~15mm
Glass bonding is made, and adhesion strength is high, watertightness is good.Length is respectively 2.0~3.0m, 0.9~1.5m, 0.9~1.5m.Its
The glass size on middle front and back two sides is full-scale, i.e. 2.0~3.0m (length) × 0.9~1.5m (height), and the glass size on the left side is same
Sample is full-scale, i.e. 0.9~1.5m (width) × 0.9~1.5m (height), and the glass size on the right side is half-size scale, i.e. 0.9~1.5m
(width) × 0.45~1.0m (height).In front, on the glass of back, from the bottom up, the equidistant reality of 5cm is divided between being drawn with oil pen
Line.Perspex transparent degree is high, and total visuality is good.(convenient for statement, following summary of the invention is to be based on length
For the size of 2.0 × 0.9 × 0.9m).
(2) steel frame is welded by square steel.Steel frame is in the rectangular parallelepiped structure of top surface opening.Four corners respectively have one to erect
To main support column 1, main support column 1 1.1m high (reference ground).Be arranged in front, below, 1 top of main support column on the left side is equipped with
Upper cross-brace beam 2, and the upper cross-brace beam 2 between the main support column 1 on the right side is located at 0.65m (reference ground).Each
At main support column 1 is 0.2m high (reference ground), it is equipped with lower cross-brace beam 3 between adjacent main support column, is along its length cross
Beam 1, width direction are crossbeam 2.Setting is parallel to the bracing members of crossbeam 2 between crossbeam 1.Meanwhile in front, it is subsequent on
It is equidistant between lower cross-brace beam to be distributed with the vertical bracing members 4 of twice, equidistant point between the beam of cross-brace up and down on the left side
It is furnished with twice transverse direction bracing members 14.The steel sole plate 5 of 4mm thickness is fixed on the cross-brace beam 2 and steel of 0.2m eminence (reference ground)
In support.4 main support columns 1 also serve as 4 supports 12 in 5 section below of steel sole plate.The equal firm welding in all connection places.Steel framework
Frame inside dimension and organic glass structure 16 are suitable.Main support column 1, cross-brace beam and each bracing members are that section is 5cm
The square steel of × 5cm.
(3) model equipment is to be fixed on organic glass structure 16 in steel frame by fastener, screw etc..Organic glass
The outer edge that 16 bottom plate of structure is contacted with steel frame steel sole plate 5 is sealed with glass cement, and water is avoided to flow by engagement edge gap,
Corrode steel sole plate 5.
(4) rainer bracket 18 by 4 vertical and 6 transverse directions carefully (rainer is lighter, meets bearing capacity and wants for thin square steel
Ask) composition.Its length and width dimensions is suitable with model equipment.4 vertical square steel are arranged in 4 angles, the top of adjacent vertical square steel it
Between have 4 lateral square steel, arrange remaining 2 square steel at equal intervals between lateral square steel of the top along stent length direction.Often
The bottom end of the vertical square steel of root is a U-shaped support, and rainer bracket 18 is buckled in the upper of model equipment by U-shaped support and is laterally propped up
It supports above beam 2, keeps it firm.
(5) 7 width of water feeding tank is 10cm, is mounted vertically in the left side of model equipment.The wherein left margin of water feeding tank 7, preceding
Boundary, back boundary, the left side, front, back and the bottom plate that bottom is middle glass structure.Right margin is the more of boundary 10cm From Left
Hole glass plate 6,6 adhesion strength of porous glass plate is high, solid and reliable.Each bonding part watertightness is good.It is beaten on porous plate every 30mm
One row's aperture, aperture 2mm, hole center is away from for 30mm.7 left margin of water feeding tank is in vertical direction placed in the middle apart from bottom plate different height
Place is each provided with a valve 9.Height is respectively 3cm, 25cm, 40cm, 55cm, 70cm.In addition, the left margin of water feeding tank 7 with
Multiple tracks transverse direction organic glass support 10 is equipped between right margin (porous glass plate 6) from the bottom up, support is firmly bonded, Ke Yiman
In sufficient preparation process and complete model side slope soil lateral pressure.
(6) water filling space 8 in part is shallower rectangular parallelepiped structure.Horizontal direction is mounted on the model equipment bottom plate left side.Size
For 90cm (length) × 60cm (width) × 3cm (height), wherein 60cm is that water filling 8 outer edge of space is (more apart from 7 right margin of water feeding tank
Hole glass plate 6) distance, 90cm be organic glass structure 16 width.Water filling 8 top surface of space is porous disc 11, all contact portions
Position sealing is preferable.3 are installed at equal intervals with water filling 8 common portion of space (60cm wide × 3cm high) before glass structure
Valve 9.
(7) drainage ball valve 17 is mounted on the bottom plate right front of model equipment, passes through the corresponding position on model equipment bottom plate
Punching, 3 drainage ball valves 17 are equally spaced in the width direction, in Controlling model device draining and sealing.
(8) shifting roller 13 is mounted on the support 12 of steel frame, is moved easily model equipment, while can be braked again.
(9) water tank 20, water pump 21 connect the rainer 25 being placed on rainer bracket 18 by water supplying pipe 24.
(10) inlet valve 22, flowmeter 23 are connected on water supplying pipe 24, pass through regulating water inlet valve door 22 and flowmeter
23 control the rainfall into rainer 25.
(11) rainer 25 is completed by pvc pipe (including straight tube, elbow, three-way connection), there is punching, hole on straight tube
Diameter 1mm, pitch of holes 2.5cm.
(12) matric suction sensor 30, pore water pressure sensor 29 pass through signal transmssion line and 28 phase of monitoring computer
Even, monitoring of software is installed, the variation of soil body mechanical property during real-time monitoring test in computer 28.
(13) volume of aqueous quantity sensor 31 is connected by signal transmssion line with data collecting instrument 27, and real-time monitoring was tested
The variation of water content of soil in journey.
(14) high-definition digital camera 26 and video camera are placed on suitable position near model equipment and focus, and record was tested
Material time node in journey, important experimental phenomena.
It is carried out using the slope stability test the general model system that Complex Water Environment of the invention changes more seepage flow conditions
The specific operating procedure of simulation test that comes down is as follows:
1, the test soil sample of model side slope 15 is filled needed for preparing.
2, by the equidistant solid line drawn in organic glass structure 16, the evenly laid out soil for calculating good quality in model equipment
Sample is successively compacted, and with horizontal ruler control, height is consistent everywhere, a height of 5cm of layer.Shaving processing is carried out between layers.
It 3, (include: that matric suction sensor 30, pore water pressure sensor 29, volume contain when soil layer is densified to each sensor
Water sensor 31 etc.) position when, it is pre-buried in designated position, detect whether to work normally, and carry out protection.
4, slope is cut in the shelving selected according to test, completion.It covers plastic film and stands 12 hours, to reduce since evaporation is led
The water content of soil of cause is lost, and so that each sensor is reached balance before experiment starts.
5, high-definition digital camera 26, video camera are placed on suitable position near model equipment and focused, to test process
Carry out whole record.
6, for the test on boundary 1, rainer 25 is placed on rainer bracket 18, rain needed for regulation test
By force, rainfall duration, rainfall mode etc. are tested.
7, for the test on boundary 2, water is quickly introduced to the water feeding tank 7 on the left of model equipment, and sustainable supply.According to examination
The needs tested, open the valve 9 of 7 left side corresponding position of water feeding tank, and close other valves 9.The valve 9 of opening can will be extra
Water discharge and remain constant level.It is tested under constant water level.
8, for the test on boundary 3, water is introduced water filling space 8 by valve 9 by utilized head.According to the needs of test,
Adjustable different head size.It is tested under constant head effect.It should be noted that the realization of different heads
Device with model equipment of the present invention be it is independent, the present invention is not related to water head equipment.
9, each sensor and data collecting instrument 27, monitoring of software etc. are connected, connects circuit, makes its normal operation.
10, software of periodically taking pictures is opened, control digital camera is taken pictures once at interval of 30s, opens video camera.
11, different boundaries is enabled, the slope model test of different seepage flow conditions is run.
12, it after the completion of to be tested, arranges and analyzes test data.
The slope model test under Complex Water Environment variation under the conditions of different seepage flow may be implemented according to above-mentioned steps, it can be with
The slope instability reference data under the conditions of different seepage flow is obtained, slope failure phenomenon facilitates and studies its instability Mechanism.Of the invention
Protection scope is not limited to above-mentioned specific embodiment.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (10)
- Slope stability mechanism study universal model pilot system under the conditions of seepage flow more than 1., it is characterised in that: including model equipment, Rainer and monitoring data device, the model equipment include organic glass structure and steel frame, the organic glass structure It is mounted on surrounding and the bottom surface of the steel frame, the rainer connecting with water tank is fixed on the top of the steel frame; The trapezoidal side for being compacted be placed on the model equipment of side slope test soil sample, the other side of the model equipment is provided with draining Ball valve;The monitoring data device includes computer and sensor group, and the sensor group is correspondingly arranged at the test soil of compacting It is electrically connected in sample layer and with the computer.
- 2. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 1, special Sign is: the steel frame includes the main support columns of four corners, upper cross-brace beam and is sequentially connected under main support column bottom end Cross-brace beam;It is reference with ground, the lower cross-brace depth of beam is 0.2m, is located at the main support column width direction And upper cross-brace depth of beam in the same direction is 0.65m with the drainage ball valve, remaining described upper cross-brace beam, which is all connected with, to be set It is placed in the top of the main support column.
- 3. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 2, special Sign is: the equidistant twice that are distributed with are erected between the beam of cross-brace up and down of the steel frame of side slope test soil sample side To bracing members;It is equidistant between the beam of cross-brace up and down of steel frame on rear side of side slope test soil sample that twice are distributed with Lateral bracing members.
- 4. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 2, special Sign is: steel sole plate is fixed on the lower cross-brace beam, and the main support column is located at the part below the steel sole plate Also serve as support.
- 5. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 2, special Sign is: the rainer is fixed on the top of the main support column, the rainer bracket by rainer bracket The bottom ends of four vertical square steel be U-shaped support, the U-shaped support snaps on the upper cross-brace beam.
- 6. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 1, special Sign is: the water tank is connected to by water pump and water supplying pipe with the rainer on the rainer bracket, the water supplying pipe On be provided with inlet valve and flowmeter.
- 7. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 6, special Sign is: the rainer is completed by pvc pipe, and apopore is equipped on pipe, and the aperture of the apopore is 1mm, Kong Jian Away from for 2.5cm.
- 8. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 1, special Sign is: being provided with water feeding tank, the water feeding tank and the side in the steel frame and on rear side of side slope test soil sample It is porous glass plate that the adjacent side of soil sample is tested on slope, vertical with the porous glass plate uniformly distributed from top to bottom in the water feeding tank There are several organic glasses to support;The valve of multiple and different height is provided on the outside of the water feeding tank.
- 9. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 1, special Sign is: the bottom side of the side slope test soil sample is provided with water filling space, and the top surface in the water filling space is porous disc, the note The lateral surface of hydrospace is equidistantly equipped with several valves.
- 10. slope stability mechanism study universal model pilot system under the conditions of more seepage flow according to claim 1, special Sign is: the sensor group of the monitoring data device includes the equal matric suction sensor with the computer link, gap Hydraulic pressure sensor and volume of aqueous quantity sensor;The volume of aqueous quantity sensor passes through signal transmssion line and data collecting instrument phase Even;The monitoring data device further includes the high pixel digital camera and video camera with computer link and for monitoring.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110244026A (en) * | 2019-07-31 | 2019-09-17 | 长江师范学院 | Slope model test system |
CN110297075A (en) * | 2019-07-31 | 2019-10-01 | 长江师范学院 | Box slope model test system |
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CN110297075A (en) * | 2019-07-31 | 2019-10-01 | 长江师范学院 | Box slope model test system |
CN110297074A (en) * | 2019-07-31 | 2019-10-01 | 长江师范学院 | A kind of slope model test device |
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CN113533690A (en) * | 2021-07-15 | 2021-10-22 | 长安大学 | Test system for simulating influence of rainfall and underground water level change on fill |
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