CN106546712B - It is a kind of for test landslide stress state on sliding surface experimental rig - Google Patents
It is a kind of for test landslide stress state on sliding surface experimental rig Download PDFInfo
- Publication number
- CN106546712B CN106546712B CN201710054343.XA CN201710054343A CN106546712B CN 106546712 B CN106546712 B CN 106546712B CN 201710054343 A CN201710054343 A CN 201710054343A CN 106546712 B CN106546712 B CN 106546712B
- Authority
- CN
- China
- Prior art keywords
- sliding surface
- unit
- experimental rig
- stress state
- testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of for testing the experimental rig of landslide stress state on sliding surface.The present invention includes bottom sliding surface analogue unit, it is set to the test cell being connected below the sliding surface analogue unit of bottom and with bottom sliding surface analogue unit, it is set to the rotary unit being connected below test cell and with test cell, and is set to the lifting unit being connected below rotary unit and with rotary unit.The present invention can adjust the height and angle of bottom sliding surface analogue unit, realize the simulation to arbitrary slip surface shape, while the present invention can test out sliding surface direct stress and sliding surface shear stress.
Description
Technical field
The present invention relates to a kind of for testing the experimental rig of landslide stress state on sliding surface.
Background technique
Landslide is a kind of common geological disaster, usually brings massive losses to people's lives and properties, to highway, railway,
The industry such as mine, water power also often results in significant damage.According to statistics, landslide and Geological Hazards of debris 2 occur every year on average for China
Wan Yuqi, more than 1,000 people of injures and deaths, population suffered from disaster more than 90 ten thousand, direct economic loss 20~6,000,000,000 yuan.Therefore, research on landslide is engineering
The popular research direction on boundary and scientific circles, is continued for so far.
For research on landslide, it is most important that determine the stability on landslide.Landslide Stability generally uses mole-coulomb
Criterion of strength is calculated, and includes two parameters of shear stress and direct stress on sliding surface in slope stability calculation formula.Now
Balance method of rigid-body limit or numerical method is mostly used to be calculated, computational theory is that do not have still on the basis of certain hypothesis
Effective research technique tests sliding surface shear stress and direct stress.
The landslide of nature is numerous, and sliding surface form is also various, and there is different length, the gradient to combine.Existing examination
In proved recipe method, entire slip mass, including slider bed, sliding surface and gliding mass are typically simulated, each sliding surface form will fill out again
A slopes are built, had not only been taken a lot of work but also time-consuming, and cost is higher.
For Landslide Stability, water is vital influence factor, therefore has the saying of " anhydrous not come down ".Water
Influence include underground water and two kinds of ground precipitation, be all to increase slide strips ground water content, in turn by permeating in slopes
Lead to the reduction of landslide slip shear strength parameter, landslide failure downslide occurs.In existing slope model test, by the outside of slopes
Certain height of water level is set, permeates underground water in slopes, the underground water such as simulated reservoir water infiltrate the process of slopes.And for
The simulation of rainfall is then to penetrate into rainwater in slopes by longer time using rainfall spray head or sprayer outside slope, into
And soften slide strips, so that landslide failure is glided.Due to the limitation of the likelihood ratio, the general particle of cast material is thinner, and soil body gap is compared
Small, therefore, the water of outer boundary is not easily penetrated into slopes.Especially rainfall simulation not only takes a long time to simulate drop
Rain, moreover, rainwater is also difficult to uniformly penetrate into slopes, it is difficult to realize that quantitative control and orientation to landslide slip water content are controlled
System.Therefore, the failure mode occurred in rain test is mostly Failure of Shallow, cannot simulate actual landslide failure process.
Since the water content of landslide slip cannot be controlled quantitatively, the quantitative drop to landslide slip shearing strength also cannot achieve
It is low, let alone orient (on position) reduction shear strength parameter.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of for testing the experimental rig of landslide stress state on sliding surface.
To achieve the goals above, The technical solution adopted by the invention is as follows:
It is a kind of for testing the experimental rig of landslide stress state on sliding surface, it is sliding to be set to bottom for including bottom sliding surface analogue unit
The test cell being connected below the analogue unit of face and with bottom sliding surface analogue unit is set to test cell lower section and and test cell
Connected rotary unit, and it is set to the lifting unit being connected below rotary unit and with rotary unit.
Further, further include being connected with bottom sliding surface analogue unit, infiltrate list for what is filled the water to bottom sliding surface analogue unit
Member.
Still further, further including being set to the translation unit being connected below lifting unit and with lifting unit.
Further, the bottom sliding surface analogue unit is box-like, and is equipped with several through-holes in top surface, is equipped in bottom surface
Mouth is infiltrated, is equipped with filler in inside.
In addition, the test cell includes upper bracket, undersetting and pressure sensor；The upper bracket is "T"-shaped or convex
Shape structure, and top is connected with bottom sliding surface analogue unit；The undersetting is equipped with concave shaped portion；The upper bracket and undersetting it
Between be equipped with the pressure sensor that parallel sliding surface is placed, and vertical sliding surface is arranged between the protrusion of upper bracket and the recess of undersetting
There is pressure sensor.
In addition, the rotary unit includes top plate and bottom plate；The top of the top plate is connected with test cell, and bottom end is logical
Pin shaft is crossed to be flexibly connected with bottom plate.
Further, the lifting unit includes for Worm gear feed screw elevator.
Still further, the unit that infiltrates includes the water inlet pipe being connected with bottom sliding surface analogue unit, it is set to water inlet pipe
On flowmeter.
Further, the translation unit includes sliding rail, is set to the sliding block that can be slided on sliding rail and with respect to sliding rail；
The sliding block is connected with lifting unit.
In addition, the bottom sliding surface analogue unit is several, and several bottom sliding surface analogue units are set gradually, and are arranged
At " one " word；Test cell, rotary unit, lifting unit are equipped with below each bottom sliding surface analogue unit.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
The present invention can adjust the height and angle of bottom sliding surface analogue unit, realize the simulation to arbitrary slip surface shape,
The test to sliding surface direct stress and sliding surface shear stress is realized by pressure sensor, to realize to landslide deceleration onsliding limit and stabilization
The experimental study of property.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of indsole sliding surface analogue unit of the present invention.
Fig. 3 is the structural schematic diagram of test cell in the present invention.
Fig. 4 is the front view of Fig. 3.
Fig. 5 is the rearview of Fig. 3.
Fig. 6 is the structural schematic diagram of upper bracket in the present invention.
Fig. 7 is to install the structural schematic diagram after pressure sensor in the present invention on undersetting.
Fig. 8 is the rearview of Fig. 7.
Fig. 9 is the structural schematic diagram of rotary unit in the present invention.
Figure 10 is the structural schematic diagram of lifting unit in the present invention.
Figure 11 is the structural schematic diagram of translation unit in the present invention.
Figure 12 is the structural schematic diagram that unit is infiltrated in the present invention.
Figure 13 is the structural schematic diagram after the combination of multiple bottom sliding surface analogue units.
Wherein, corresponding parts title is marked in attached drawing are as follows: the bottom 1- sliding surface analogue unit, 2- test cell, 3- rotation
Unit, 4- lifting unit, 5- infiltrate unit, and 6- is translatable unit, 7- through-hole, and 8- infiltrates mouth, 9- upper bracket, 10- undersetting, 11-
Pressure sensor, 12- top plate, 13- bottom plate, 14- pin shaft, 15- water inlet pipe, 16- sliding rail, 17- sliding block, 18- flowmeter.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and embodiments of the present invention include but is not limited to
The following example.
Embodiment 1
It is a kind of for testing the experimental rig of landslide stress state on sliding surface, including bottom sliding surface simulation list as shown in Fig. 1~12
Member 1 is set to the test cell 2 being connected below the sliding surface analogue unit of bottom and with bottom sliding surface analogue unit, is set to test cell
Lower section and the rotary unit 3 being connected with test cell, and it is set to the lifting being connected below rotary unit and with rotary unit
Unit 4.Wherein, sliding surface analogue unit in bottom can be realized the sliding surface simulation to landslide；Test cell is placed in bottom sliding surface analogue unit
Lower section, on the sliding surface of bottom direct stress and shear stress test；Rotary unit can be realized the cunning to bottom sliding surface analogue unit
Face inclination angle changes, and the nearest variation range at inclination angle is -80~+80.Lifting unit, which is realized, controls bottom sliding surface analogue unit height.
Specifically, entering the invention also includes being connected with bottom sliding surface analogue unit for what is filled the water to bottom sliding surface analogue unit
Seep unit 5.The unit that infiltrates can be realized the effect to the Rock And Soil water filling on the sliding surface analogue unit of bottom.
Specifically, the invention also includes be set to the translation unit 6 being connected below lifting unit and with lifting unit.It is described
Translation unit can be realized movement of the bottom sliding surface analogue unit on parallel sliding surface face, control the parallel cunning of bottom sliding surface analogue unit
Face position.
Specifically, the bottom sliding surface analogue unit be it is box-like, and top surface be equipped with several through-holes 7, bottom surface be equipped with into
Mouth 8 is seeped, is equipped with filler in inside.Wherein, filler is sponge, towel, cotton substance.It is whole to ensure that several through-holes are set
There is water to penetrate into the slopes of top on a bottom sliding surface analogue unit, on bottom surface infiltrate mouth be in order to infiltrate unit and be connected to,
Enter water from bottom surface, penetrating into the slopes above the sliding surface analogue unit of bottom slowly, and the setting of filler, it is to make
Water divides by filler to seepage flow, so that water be made uniformly to ooze out from through-hole.
Specifically, the test cell includes upper bracket 9, undersetting 10 and pressure sensor 11；The upper bracket is " T "
Shape or convex structure, and top is connected with bottom sliding surface analogue unit；The undersetting is equipped with concave shaped portion；The upper bracket is under
It is equipped with the pressure sensor that parallel sliding surface is placed between support, and is vertically slided between the protrusion of upper bracket and the recess of undersetting
Face is provided with pressure sensor, and the undersetting is connected with rotary unit.Wherein, there are three being set between upper bracket and undersetting
The pressure sensor that parallel sliding surface is placed, and the pressure sensor of vertical sliding surface setting is one；The pressure that parallel sliding surface is placed
The normal pressure that sensor is transmitted to test bottom sliding surface analogue unit, can be converted into just answering on the sliding surface analogue unit of bottom
Power；The pressure sensor of vertical sliding surface setting, the tangential force transmitted to test bottom sliding surface analogue unit can be converted into bottom
Shear stress on sliding surface analogue unit.
Specifically, the rotary unit includes top plate 12 and bottom plate 13；The top of the top plate is connected with test cell, and
Bottom end is flexibly connected by pin shaft 14 with bottom plate.Wherein, the longitudinal section of bottom plate is U-shaped, and the bottom of top plate is located in U-shaped, and
It is connected by pin shaft and bottom plate rotation, and is in U-shaped outside at the top of bottom plate, and be fixedly linked with the undersetting of test cell.
Specifically, the lifting unit includes being Worm gear feed screw elevator.In actual use, different length may be selected
Screw rod is, it can be achieved that large range of height adjustment, while Worm gear feed screw elevator belts self-locking function, and can be from directly purchasing on the market
?.
Specifically, the unit that infiltrates includes the water inlet pipe 15 being connected with bottom sliding surface analogue unit, it is set on water inlet pipe
Flowmeter 18.Wherein water inlet pipe is connected to mouth is infiltrated, and water enters from the water inlet pipe other end, by entering bottom after flowmeter
Sliding surface analogue unit.
Specifically, the translation unit includes sliding rail 16, it is set to the sliding block 17 that can be slided on sliding rail and with respect to sliding rail；
The sliding block is connected with lifting unit.By the cooperation of sliding rail and sliding block, parallel sliding surface sliding can be easily realized, to control
The parallel position of slip surface of sliding surface analogue unit in bottom processed.
Embodiment 2
As shown in figs. 1-13, this embodiment differs from embodiment 1 in that, embodiment is that the simulation of single bottom sliding surface is single
First and corresponding test cell, lifting unit, infiltrates unit, translation unit at rotary unit.And the present embodiment is that multiple groups are above-mentioned
Device, it will be appreciated that be a system.In order to facilitate narration, the experimental rig for defining embodiment herein is single test device, and
The present embodiment is to be composed of several single test devices, and several experimental rigs of the present embodiment are all set in outside one
In frame, and transparent breast boards is provided in outer frame facet, to facilitate the deformation sign of observation slip mass.
Wherein, several experimental rigs are arranged successively to form line-styled, and according to the shape of slopes, adjust each test
The height of device.As shown in figure 13, the upper surface of all bottom sliding surface analogue units together forms an arc or other cunnings
Face form, for placing slip mass.
It is worth noting that the device of the present embodiment can be to the simulation of any slip surface shape；Unit is infiltrated in setting simultaneously
The water content with the raising landslide slip of accurate quantification can be accurately positioned.
According to above-described embodiment, the present invention can be realized well.It is worth noting that before based on said structure design
It puts, to solve same technical problem, even if that makes in the present invention is some without substantive change or polishing, is used
Technical solution essence still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (9)
1. a kind of for testing the experimental rig of landslide stress state on sliding surface, which is characterized in that including bottom sliding surface analogue unit
(1), it is set to the test cell (2) being connected below the sliding surface analogue unit of bottom and with bottom sliding surface analogue unit, it is single to be set to test
First lower section and the rotary unit (3) being connected with test cell, and be set to rotary unit lower section and be connected with rotary unit
Lifting unit (4)；
The test cell includes upper bracket (9), undersetting (10) and pressure sensor (11)；The upper bracket be it is "T"-shaped or
Convex structure, and top is connected with bottom sliding surface analogue unit；The undersetting is equipped with concave shaped portion；The upper bracket and undersetting
Between be equipped with the pressure sensor that parallel sliding surface is placed, and vertical sliding surface is set between the protrusion of upper bracket and the recess of undersetting
It is equipped with pressure sensor.
2. according to claim 1 a kind of for testing the experimental rig of landslide stress state on sliding surface, which is characterized in that also
Including being connected with bottom sliding surface analogue unit, unit (5) are infiltrated for what is filled the water to bottom sliding surface analogue unit.
3. according to claim 1 a kind of for testing the experimental rig of landslide stress state on sliding surface, which is characterized in that also
Including being set to the translation unit (6) being connected below lifting unit and with lifting unit.
4. it is described in any item a kind of for testing the experimental rig of landslide stress state on sliding surface according to claim 1~3, it is special
Sign is that the bottom sliding surface analogue unit is box-like, and is equipped with several through-holes (7) in top surface, is equipped in bottom surface and infiltrates mouth
(8), filler is equipped in inside.
5. it is described in any item a kind of for testing the experimental rig of landslide stress state on sliding surface according to claim 1~3, it is special
Sign is that the rotary unit includes top plate (12) and bottom plate (13)；The top of the top plate is connected with test cell, and bottom end
It is flexibly connected by pin shaft (14) with bottom plate.
6. it is described in any item a kind of for testing the experimental rig of landslide stress state on sliding surface according to claim 1~3, it is special
Sign is that the lifting unit is Worm gear feed screw elevator.
7. according to claim 2 a kind of for testing the experimental rig of landslide stress state on sliding surface, which is characterized in that institute
State that infiltrate unit include the water inlet pipe (15) being connected with bottom sliding surface analogue unit, the flowmeter (18) being set on water inlet pipe.
8. according to claim 3 a kind of for testing the experimental rig of landslide stress state on sliding surface, which is characterized in that institute
Stating translation unit includes sliding rail (16), is set to the sliding block (17) that can be slided on sliding rail and with respect to sliding rail；The sliding block and liter
Unit is dropped to be connected.
9. according to claim 1 a kind of for testing the experimental rig of landslide stress state on sliding surface, which is characterized in that institute
Stating bottom sliding surface analogue unit is several, and several bottom sliding surface analogue units are set gradually, and are arranged in " one " word；Each bottom
Test cell, rotary unit, lifting unit are equipped with below sliding surface analogue unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054343.XA CN106546712B (en) | 2017-01-22 | 2017-01-22 | It is a kind of for test landslide stress state on sliding surface experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054343.XA CN106546712B (en) | 2017-01-22 | 2017-01-22 | It is a kind of for test landslide stress state on sliding surface experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106546712A CN106546712A (en) | 2017-03-29 |
| CN106546712B true CN106546712B (en) | 2019-01-22 |
Family
ID=58398357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710054343.XA Expired - Fee Related CN106546712B (en) | 2017-01-22 | 2017-01-22 | It is a kind of for test landslide stress state on sliding surface experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106546712B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389903B (en) * | 2017-08-24 | 2023-04-14 | 西南交通大学 | Sliding surface pull type landslide model test device |
| CN109540462A (en) * | 2018-11-21 | 2019-03-29 | 中国科学院.水利部成都山地灾害与环境研究所 | A kind of experimental provision and its experimental method for simulating mud-rock flow movement |
| CN110459037B (en) * | 2019-09-12 | 2023-04-21 | 西南石油大学 | Landslide body monitoring equipment and instrument effectiveness test system and method |
| CN111768687B (en) * | 2020-06-03 | 2022-03-11 | 中国安全生产科学研究院 | A variable topography support device for landslide simulation |
| CN115932222B (en) * | 2023-03-14 | 2023-05-12 | 吉林建筑大学 | Bottom sliding surface permeation type landslide test device and test method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331489B (en) * | 2011-07-19 | 2014-04-02 | 中国科学院力学研究所 | System for testing physical model for large-scale landslides under action of multiple factors |
| CN103245768B (en) * | 2013-04-09 | 2015-07-08 | 西南交通大学 | High-speed landslide starting mechanism tester |
| CN103217512B (en) * | 2013-04-11 | 2015-12-02 | 中国科学院力学研究所 | A kind of experimental device with physical landslide model |
| CN103424099B (en) * | 2013-08-26 | 2015-12-02 | 招商局重庆交通科研设计院有限公司 | Based on the slope monitoring method for early warning of deformation data |
| CN204728284U (en) * | 2015-06-15 | 2015-10-28 | 中国葛洲坝集团国际工程有限公司 | Panel slip form caving bracing or strutting arrangement |
| CN105486841A (en) * | 2015-12-30 | 2016-04-13 | 中国地质大学（武汉） | Pull-type landslip physical model experiment device |
| CN205826655U (en) * | 2016-07-20 | 2016-12-21 | 成都理工大学 | A kind of sliding surface adjustable multi-functional landslide model casing |
| CN206431130U (en) * | 2017-01-22 | 2017-08-22 | 西南交通大学 | A kind of experimental rig for being used to test landslide stress state on sliding surface |
-
2017
- 2017-01-22 CN CN201710054343.XA patent/CN106546712B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106546712A (en) | 2017-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106546712B (en) | It is a kind of for test landslide stress state on sliding surface experimental rig | |
| CN103616493B (en) | A kind of three-dimensional artificial rainfall reservoir landslide physical experiments equipment | |
| US20200386659A1 (en) | Multifunctional true triaxial rock drilling test system and method | |
| CN202339416U (en) | Test system for simulating water inrush of mined seam floor | |
| CN206020193U (en) | A kind of disconnected strength test assay device of shear of rock for meeting different size specification | |
| CN108956946A (en) | Tunnel-side slope system experimental rig and method under simulated rainfall geological process | |
| CN1312362C (en) | Analogic testing device for water induced landslide and method for monitoring shift of land top surface | |
| CN103278393B (en) | A kind of large-scale rock sliding friction experimental provision | |
| CN109283317A (en) | Open-pit slope deformation testing device and method under a kind of indoor simulation condition of raining | |
| CN106323788A (en) | Device for evaluating drill bit wear and rock abrasiveness of different drilling modes and evaluation method | |
| CN104535742B (en) | A kind of landslide critical angle measurement mechanism and experimental technique | |
| CN205002729U (en) | Underground warp measuring device based on deviational survey and hall effect | |
| CN204630746U (en) | A kind of top coals' recovery ratio and ore deposit are pressed and are manifested relationship experiments platform | |
| CN107725006A (en) | A kind of coal bed drilling gas pumping simulation test device and method | |
| CN106093349B (en) | A kind of retrogressive landslide model test apparatus and test method based on field monitoring | |
| CN104614191A (en) | Experiment table of relationship between top coal's recovery ratio and strata behavior, application method thereof | |
| CN206431130U (en) | A kind of experimental rig for being used to test landslide stress state on sliding surface | |
| CN107219128A (en) | Many lower coal measure strata stress distribution analogue means of phase tectonic movement effect and method | |
| CN105651672B (en) | Two-dimentional rock sample Fracture Networks seepage flow test device | |
| CN205898794U (en) | Towed landslide model test device based on field monitoring | |
| CN108181188A (en) | Ballast puncture test device and method is classified in big shoe jack-up unit clay | |
| CN204844404U (en) | Simulation modeling experiment system based on 3D prints quick form -ing technology | |
| CN207067126U (en) | Sliding surface extending type slope model test device | |
| Thompson et al. | Comparison of constant volume swell pressure and oedometer load-back pressure | |
| CN208907896U (en) | Open-pit slope deformation testing device under a kind of indoor simulation condition of raining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20210122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |