CN207300780U - Side slope strength test device is studied in a kind of indoor simulation rainfall - Google Patents
Side slope strength test device is studied in a kind of indoor simulation rainfall Download PDFInfo
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- CN207300780U CN207300780U CN201721257477.3U CN201721257477U CN207300780U CN 207300780 U CN207300780 U CN 207300780U CN 201721257477 U CN201721257477 U CN 201721257477U CN 207300780 U CN207300780 U CN 207300780U
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- rainfall
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- side slope
- test device
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Abstract
The utility model provides a kind of indoor simulation rainfall research side slope strength test device, including support frame, engineering slight slope model casing, rainfall simulation equipment and supply equipment;Engineering slight slope model casing is placed in support frame;Rainfall simulation equipment is arranged on the top of support frame, and positioned at the surface of engineering slight slope model casing;Rainfall simulation equipment includes PE pipelines and some nozzles;PE pipelines are connected to supply equipment by spherical valve.The utility model is simple in structure, easy to operate, cheap, and device adaptability is stronger, convenient for disassembly and assembly, can regulate and control rainfall as needed, by sensor can displaying data in real-time, according to soil layer shearing strength theory, can quickly measure side slope intensity.
Description
Technical field
It the utility model is related to soil body mechanical test Instrument technology field, more particularly to a kind of indoor simulation rainfall research side
Slope strength test device.
Background technology
Abundant rainfall, high rainfall intensity area in China, occurred various personal caused by rainfall causes slope instability
And property loss, the side slope integrated protection design under different condition of raining increasingly cause the attention of society, condition of raining slope
Strength relationship to engineering safety and economic rationality.Existing experimental technique is mainly field observation slope deforming and destruction,
Using live large-sized experiment in situ, field direct shear test can be divided into soil body sample and resist under normal force effect along what shear surface destroyed
Shearing strength tests the shear test (friction test) with continuing shearing after soil body cutting along shear surface.The peak value of the former soil
Shearing strength, the latter represent the residual shear strength of soil.Depending on soil body scene large-sized experiment method is according to needing, there are the problem of
It is that experimental size is big, expends a large amount of manpower and materials, it is difficult to controls outdoor environmental conditions, in-situ shear test is often because testing point selection
Improper or weather weather etc. influences and larger discreteness occurs, and scene original position large-sized experiment is normally only adapted in landslide front and rear edges
At periphery or sliding surface bury it is shallower under the conditions of use, the research of Slope Stability has larger limitation, and test apparatus is not easy to bury.
Utility model content
In order to solve above-mentioned technological deficiency existing in the prior art, the utility model provides a kind of indoor simulation rainfall and grinds
Study carefully side slope strength test device, which is tested indoors, can be to all kinds upper side slope in different condition of raining
Under make a strength test, environmental suitability is strong, easy to operate, can quickly and easily obtain upper side slope intensity.
The utility model is achieved through the following technical solutions:
Side slope strength test device, including support frame, engineering slight slope model casing, rainfall are studied in a kind of indoor simulation rainfall
Analog machine and supply equipment;The engineering slight slope model casing is placed in the support frame;The rainfall simulation equipment
The top of the support frame is arranged on, and positioned at the surface of the engineering slight slope model casing;
The rainfall simulation equipment includes PE pipelines and some nozzles;The PE pipelines are connected to the confession by spherical valve
Wetting system.
Scheme as an optimization, the support frame are fixed including two reaction frames, two reaction frame crossbeams and model casing
Frame;Described two reaction frames are fixed on the top of the model casing fixed frame, and described two reaction frame crossbeams are arranged on described two
The top of a reaction frame.
Scheme as an optimization, the bottom of the support frame are equipped with steel bottom bearing, and steel bottom bearing is fixed on institute
State the top of model casing fixed frame.
Scheme as an optimization, the model casing fixed frame include four columns, some rectangles are with outside the four columns
Hoop-iron, is with angle bar hoop-iron at the top of the four columns;Described two reaction frames are fixed on the top of the angle bar hoop-iron;Institute
State the top that four columns are fixed on steel bottom bearing.
Scheme as an optimization, steel bottom holder top are equipped with matched spacing with the engineering slight slope model casing
Groove.
Scheme as an optimization, the engineering slight slope model casing four sides is transparent acrylic;The engineering slight slope model
The inner wall of case is equipped with lubrication silicone grease coating, and preservative film is pasted with outside the lubrication silicone grease coating.
Scheme as an optimization, the supply equipment includes water tank and the water pump being arranged in the water tank, described
Water pump passes through spherical valve and the PE pipeline connections.
Scheme as an optimization, the PE pipelines surround rectangle railing shape, several described nozzles are distributed on the PE pipelines
On.The utility model is relative to the beneficial effect of the prior art:
Simple in structure, easy to operate, cheap, device adaptability is stronger, convenient for disassembly and assembly, can regulate and control rain as needed
Amount, by sensor can displaying data in real-time, according to soil layer shearing strength theory, can quickly measure side slope intensity.
Brief description of the drawings
Fig. 1 is the overall structure figure that side slope strength test device is studied in the rainfall of the utility model indoor simulation.
Fig. 2 is the rainfall simulation equipment of the utility model and the structure diagram of supply equipment.
Fig. 3 is the structure diagram of the steel bottom bearing of the utility model.
Steel bottom bearing 1, rectangle hoop-iron 2, angle bar hoop-iron 3, reaction frame 4, engineering slight slope model casing 5, reaction frame crossbeam 6,
Rainfall simulation equipment 7, nozzle 8, PE pipelines 12, spherical valve 11, water tank 9 and water pump 10.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that the specific embodiments described herein are only solving
The utility model is released, is not used to limit the utility model.
Embodiment 1:
As shown in Figure 1, a kind of indoor simulation rainfall research side slope strength test device, including support frame, engineering slight slope
Model casing 5, rainfall simulation equipment 7 and supply equipment;Engineering slight slope model casing 5 is placed in support frame;Rainfall simulation is set
Standby 7 are arranged on the top of support frame, and positioned at the surface of engineering slight slope model casing 5.
Specifically, rainfall simulation equipment 7 includes PE pipelines 12 and some nozzles 8;PE pipelines 12 are connected by spherical valve 11
To supply equipment.The spherical valve 11 is the spherical valve with scale marker, for controlling the intensity of simulated rainfall, fully to simulate
Natural rainfall state.As depicted in figs. 1 and 2, in the present embodiment, PE pipelines 12 surround rectangle railing shape, several nozzles 8 are equal
Cloth is on PE pipelines 12.The utility model is not specifically limited the quantity of nozzle 8, in the present embodiment, can be such as Fig. 1 and figure
Shown in 2, three groups are set, every group of four nozzles 8, are evenly and symmetrically arranged on PE pipelines 12.The specific shape of above PE pipelines 12
The quantity of shape and nozzle 8 and setting position by way of example only, are not intended to limit the scope of protection of the utility model, actually should
In, those skilled in the art can be adjusted according to actual needs.
In the present embodiment, as shown in Figure 1, as more preferably embodiment, support frame includes two reaction frames 4, two
A reaction frame crossbeam 6 and model casing fixed frame.Two reaction frames 4 are fixed on the top of model casing fixed frame, two reaction frames
Crossbeam 6 is arranged on the top of two reaction frames 4.As shown in figure 3, the bottom of support frame is equipped with steel bottom bearing 1, steel bottom branch
Seat 1 is fixed on the top of model casing fixed frame.
The utility model is not specifically limited the structure and style of model casing fixed frame and reaction frame 4, in this implementation
In example, a kind of instantiation is provided, is referred to for those skilled in the art.Stood specifically, model casing fixed frame includes four
Column, four columns are with some rectangle hoop-iron 2 outside, angle bar hoop-iron 3 are with the top of four columns.Two reaction frames 4 fix weldering
It is connected on the top of angle bar hoop-iron 3;Four columns are fixedly welded on the top of steel bottom bearing 1.
The top of steel bottom bearing 1 is equipped with and 5 matched limiting slot of engineering slight slope model casing, guarantee engineering slight slope model casing
5 can consolidate be placed in support frame.
In the present embodiment, as more preferably embodiment, the four sides of engineering slight slope model casing 5 is transparent acrylic
Plate, is observed easy to experimenter.Frictional force to avoid reduction tank material from producing upper side slope makes result of the test
Into influence, the inner wall of engineering slight slope model casing 5 is equipped with lubrication silicone grease coating, preservative film is pasted with outside lubrication silicone grease coating.
In the present embodiment, as depicted in figs. 1 and 2, as more preferably embodiment, supply equipment includes water tank 9 and is arranged on storage
Water pump 10 in water tank 9, water pump 10 are connected by spherical valve 11 with PE pipelines 12.
Below exemplified by probing into upper side slope intensity under the conditions of natural rainfall is simulated in research, this experimental rig is illustrated
Operation principle and application method:
(1) the simulated rainfall intensity of each scale is demarcated using spherical valve 11, is needed to select suitable intensity according to experiment.
(2) lubrication silicone grease is smeared in box inside, and preservative film is attached on box inside surface, to reduce tank material pair
The frictional force that upper side slope produces is influenced caused by result of the test.
(3) upper side slope needed for being tested in box house composting, during side slope composting, according to experimental design in phase
Position is answered to bury soil pressure sensor.
(4) simulated rainfall can be carried out after the completion of side slope composting, during simulated rainfall, passes through four side of babinet
Observe the change procedure of upper side slope.
(5) after side slope is destroyed, the data that are measured according to soil pressure sensor carry out analysis calculating, you can draw and surveyed
The intensity of upper side slope.
The utility model is simple in structure, easy to operate, cheap, and device adaptability is stronger, convenient for disassembly and assembly, can be according to need
Regulate and control rainfall, by sensor can displaying data in real-time, according to soil layer shearing strength theory, can quickly measure side slope intensity.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiments of the present utility model only, not to
The utility model, all any modification, equivalent and improvement made where within the spirit and principles of the present invention etc. is limited,
It should be included within the scope of protection of this utility model.
Claims (8)
1. side slope strength test device is studied in a kind of indoor simulation rainfall, it is characterised in that including support frame, engineering slight slope mould
Molding box(5), rainfall simulation equipment(7)And supply equipment;The engineering slight slope model casing(5)It is placed on the support frame
It is interior;The rainfall simulation equipment(7)The top of the support frame is arranged on, and is located at the engineering slight slope model casing(5)'s
Surface;
The rainfall simulation equipment(7)Including PE pipelines(12)With some nozzles(8);The PE pipelines(12)Pass through spherical valve
(11)It is connected to the supply equipment.
2. side slope strength test device is studied in indoor simulation rainfall according to claim 1, it is characterised in that:
The support frame includes two reaction frames(4), two reaction frame crossbeams(6)And model casing fixed frame;
Described two reaction frames(4)It is fixed on the top of the model casing fixed frame, described two reaction frame crossbeams(6)It is arranged on
Described two reaction frames(4)Top.
3. side slope strength test device is studied in indoor simulation rainfall according to claim 2, it is characterised in that:
The bottom of the support frame is equipped with steel bottom bearing(1), steel bottom bearing(1)The model casing is fixed on to fix
The top of frame.
4. side slope strength test device is studied in indoor simulation rainfall according to claim 3, it is characterised in that:
The model casing fixed frame includes four columns, and some rectangle hoop-iron are with outside the four columns(2), described four vertical
Angle bar hoop-iron is with the top of column(3);
Described two reaction frames(4)It is fixed on the angle bar hoop-iron(3)Top;
The four columns are fixed on steel bottom bearing(1)Top.
5. side slope strength test device is studied in indoor simulation rainfall according to claim 3, it is characterised in that the steel
Bottom bearing(1)Top is equipped with and the engineering slight slope model casing(5)Matched limiting slot.
6. side slope strength test device is studied in indoor simulation rainfall according to claim 1, it is characterised in that the engineering
Slight slope model casing(5)Four sides is transparent acrylic;The engineering slight slope model casing(5)Inner wall be equipped with lubrication silicone grease apply
Layer, the lubrication silicone grease coating are pasted with preservative film outside.
7. side slope strength test device is studied in indoor simulation rainfall according to claim 1, it is characterised in that the water supply
Equipment includes water tank(9)And it is arranged on the water tank(9)Interior water pump(10), the water pump(10)Pass through spherical valve
(11)With the PE pipelines(12)Connection.
8. side slope strength test device is studied in indoor simulation rainfall according to claim 1, it is characterised in that the PE pipes
Road(12)Surround rectangle railing shape, several described nozzles(8)It is distributed on the PE pipelines(12)On.
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CN201721257477.3U CN207300780U (en) | 2017-09-28 | 2017-09-28 | Side slope strength test device is studied in a kind of indoor simulation rainfall |
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CN201721257477.3U CN207300780U (en) | 2017-09-28 | 2017-09-28 | Side slope strength test device is studied in a kind of indoor simulation rainfall |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110068668A (en) * | 2019-04-25 | 2019-07-30 | 同济大学 | Come down centrifugal test model casing |
CN110133212A (en) * | 2019-04-26 | 2019-08-16 | 河海大学 | A kind of artificial rain system for the test of indoor side slope |
CN111623720A (en) * | 2020-05-20 | 2020-09-04 | 中国电建集团华东勘测设计研究院有限公司 | Testing device and testing method for indoor cohesive soil PIV model test |
CN112885220A (en) * | 2021-01-12 | 2021-06-01 | 神华新朔铁路有限责任公司 | Landslide and slide belt model test system and method |
CN113176394A (en) * | 2021-04-14 | 2021-07-27 | 合肥工业大学 | Swelling soil slope edge covering layer detection device and detection method under rainfall-reverse osmosis effect |
-
2017
- 2017-09-28 CN CN201721257477.3U patent/CN207300780U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110068668A (en) * | 2019-04-25 | 2019-07-30 | 同济大学 | Come down centrifugal test model casing |
CN110133212A (en) * | 2019-04-26 | 2019-08-16 | 河海大学 | A kind of artificial rain system for the test of indoor side slope |
CN110133212B (en) * | 2019-04-26 | 2022-02-11 | 河海大学 | Artificial rainfall system for indoor slope test |
CN111623720A (en) * | 2020-05-20 | 2020-09-04 | 中国电建集团华东勘测设计研究院有限公司 | Testing device and testing method for indoor cohesive soil PIV model test |
CN112885220A (en) * | 2021-01-12 | 2021-06-01 | 神华新朔铁路有限责任公司 | Landslide and slide belt model test system and method |
CN113176394A (en) * | 2021-04-14 | 2021-07-27 | 合肥工业大学 | Swelling soil slope edge covering layer detection device and detection method under rainfall-reverse osmosis effect |
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