CN208736764U - Force test system is pulled on a kind of simulation bulk solid slope when slope runoff washes away - Google Patents
Force test system is pulled on a kind of simulation bulk solid slope when slope runoff washes away Download PDFInfo
- Publication number
- CN208736764U CN208736764U CN201820611015.5U CN201820611015U CN208736764U CN 208736764 U CN208736764 U CN 208736764U CN 201820611015 U CN201820611015 U CN 201820611015U CN 208736764 U CN208736764 U CN 208736764U
- Authority
- CN
- China
- Prior art keywords
- slope
- water
- water tank
- simulated slot
- slot
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a kind of measuring technology of influencing factors for slope stability, specifically discloses a kind of simulation bulk solid slope and pull force test system, including simulated slot when slope runoff washes away, simulate rock-soil layer and water tank；The lift side of simulated slot is connected with lifting device, the height of lifting device continuously adjustable lift side in the vertical direction；Sliding slot is fixed on side baffle, graduated scale can slide in sliding slot and clamping, and lifting end-stopping plate is detachable installation；Water outlet of water tank is connected to simulated slot water inlet by pipeline, and overflow port is provided on water tank；The setting height of overflow port is higher than the setting height of water outlet of water tank.The utility model has the advantages that: the slope current drag power measurement more slow suitable for intense rainfall condition descending slope to quantify influence of the water flow to slope soil unstability under intense rainfall condition, optimizes the oblique slope stability quantitative evaluation method of existing condition of raining.
Description
Technical field
The utility model relates to a kind of measuring technologies of influencing factors for slope stability, especially a kind of to be applied to heavy rainfall
Under the conditions of shallow-layer slope stability test device.
Background technique
Currently, landslide is slope Rock And Soil along shearing slip-crack surface is penetrated through there is a phenomenon where sliding, it is the master of geological disaster
Want one of form.In numerous landslide disasters, shallow failure, which has, to have a very wide distribution, breaks out the spies such as frequency is high, lasting harm is big
Point.Landslide disaster not only threatens the personal safety of resident, but also can do great damage to structures, usually gives the country and people
Bring huge economic loss.For example, the rainfall that Sichuan Province, the town the Die Xi village Xin Mo, Aba Prefecture Mao County is lasted because of length, in 2017
Burst on a June 24 massif high position collapses, and river blocking about 2km, more than 100 people is caused to be buried.This time disaster accident is substantially
A series of chain effects of slope high position shallow soil unstability downslide triggering.
Statistics shows that most landslides (especially slope shallow soil unstability) are that rainfall causes.Rainfall leads to water
Stream has effect of dragging, and then acceleration ramp shallow soil unstability to slope soil through slope soil, water flow.Related shallow-layer is sliding
The research achievement on slope is compared with horn of plenty.Document (PRADEL D, RAAD G.Effect of Permeability on
Surficial Stability of Homogeneous Slopes[J].Journal of Geotechnical
Engineering, 1993,119 (2): 315-332.) report homogeneous slope it is long last, high-intensity rainfall under the conditions of occur
Shallow failure phenomenon, propose infinitepiston sliding-type side slope model；(Li Ning, Xu Jiancong, rainfall in Asia induces document by the emperor himself
The computation model of shallow failure stability studies [J] rock-soil mechanics, 2012,33 (5): 209-214.) use unsaturated soil VG mould
Type and improved Green-Ampt Infiltration Model, improve Mein-Larson Infiltration Model, mention in conjunction with infinite slopes
The simplified mathematical model that rainfall induces shallow failure is gone out；Document (Xu Jiancong, Shang Yuequan, Chen Kanfu, under waiting heavy rainfall to act on
Shallow failure stability analysis [J] Chinese Journal of Rock Mechanics and Engineering, 2005,24 (18): 3246-3251.) have studied strong drop
Shallow failure stability coefficient and sliding surface satisfy water area than the pass between this three with Shear Strength Index, gliding mass under the conditions of rain
System, establishes mathematical statistics correlation；(Chang Jinyuan includes Wu Faquan to document, and shallow failure stability under condition of raining is waited to visit
Beg for [J] rock-soil mechanics, 2015,36 (4): 995-1001.) based on Green-Ampt Infiltration Model, consider flowing pressure
Effect, establishes the conceptual model of shallow failure under Condition of Rainfall Infiltration, under the conditions of deriving before rainfall with or without level of ground water
Slope safety coefficient and rain time relational expression；Document (CHEN Xiao-dong, GUO Hong-xian, SONG
Er-xiang.Analysis method for slope stability under rainfall action[J]
.Landslides and Engineered Slopes, 2008, (7): 1507-1515.) enter osmole using Mein-Larson
Type establishes the common-mode of Rainfall slope stability analysis in conjunction with balance method of rigid-body limit.
Although there are many report for studying shallow-layer Failure of Slopes and estimation of stability, researcher, which rarely has, considers heavy rainfall item
Influence of the water flow drag to slope stability under part.This may be current shallow-layer Assessment for Stability of slope and shallow failure punishment
In conceptual design, although it is contemplated that the special operation conditions such as extreme rainfall infiltration, surface water body concentrative seepage, it is broken still to there is Failure of Slopes
Bad the reason of catastrophe even occurs.Therefore, current drag power insertion rigid Limit Equilibrium is theoretical, under intense rainfall condition
Slope shallow soil stability analyzed, contribution of the quantitative assessment current drag power to shallow-layer Failure of Slopes.Work as slope soil
In intimate critical stable state, lesser drag can but play decisive role, illustrate that current drag stress effect is not allowed to neglect
Depending on.
Utility model content
In order to preferably study influence of the current drag power to shallow failure stability, propose water flow to slope surface layer and soil
The drag measuring technology of body bottom improves the reliability that slope stability calculates, and it is scattered that the utility model provides a kind of simulation
Plastochondria slope pulls force test system and test method when slope runoff washes away, and the stability for quantitative assessment slope provides ginseng
It examines.
The technical scheme adopted by the utility model is simulation bulk solid slope drag when slope runoff washes away is tested
System, including by bottom plate, side baffle, fixed end-stopping plate and simulated slot made of lifting end-stopping plate enclosing, be layed on bottom plate
Simulate rock-soil layer and water tank；The simulated slot includes fixing end and lift side；The fixing end is fixed by trunnion axis and can
It rotates around trunnion axis, the lift side is connected with lifting device, and lifting device continuously adjustable lift side is in the vertical direction
Highly；Simulated slot water inlet is provided on the fixed end-stopping plate；Sliding slot is fixed on side baffle, graduated scale can be in sliding slot
Slide simultaneously clamping；Going up and down end-stopping plate is detachable installation；The water tank side wall offers water tank corresponding with simulated slot water inlet
Water outlet, the setting height of water outlet of water tank are not less than the setting height of simulated slot water inlet, and water outlet of water tank enters with simulated slot
The mouth of a river is connected to by pipeline, and water flow is controlled by valve, and when valve is opened, the water in water tank is able to enter in simulated slot；It is described
Overflow port is additionally provided on water tank, the setting height of overflow port is higher than the setting height of water outlet of water tank.
Current slope stability theoretical research does not consider water flow to the drag of slope soil, this may be current shallow-layer
In Assessment for Stability of slope and the design of shallow failure Treatment Scheme, seeped although it is contemplated that extreme rainfall infiltration, surface water body are concentrated
Still there is Failure of Slopes and destroy the reason of catastrophe even occurs in the special circumstances such as leakage.
Influence for comprehensive and accurate calculating current drag power to slope stability, present applicant proposes a kind of slope soils
Surface layer and bottom water flow pull force test system.
For this purpose, the application has developed slope earth's surface and soil layer bottom water flow drag test system under the conditions of a set of runoff simulation
System.Research is under conditions of ramp slope is certain, by adjusting the height of slope rainwash, quantitative analysis current drag power with
Relationship between runoff height；Under conditions of runoff height is certain, by adjusting ramp slope, quantitative analysis current drag power
Relationship between ramp slope.Test result shows under condition of raining that current drag power is produced when slope is in critical state
Raw decisive influence.
The application proposes the test method on slope surface layer and soil body bottom water flow drag, carries out to slope current drag power
Quantization.This test device is mainly used in the case of research various combination between rainwash, ramp slope and slope stability coefficient
Relationship:
A) stability on slope and the relationship of rainwash height are inquired into the case where other situations are all the same.
B) relationship of ramp slope and slope stability is inquired into the case where other situations are all the same.
Test result shows the oblique slope stability of intense rainfall condition and runoff height, ramp slope inversely.
Readily comprehensible, the simulated slot water inlet of the utility model fixing end should be connected with water source, and the selection at water source does not have
There is stringent limitation, it is only necessary to guarantee that water flow can gently uniformly enter simulated slot, to realize the purpose of simulation slope runoff, because
This simulated slot water inlet cannot be connect with equipment such as taps with pressure.To be equipped with dedicated water storage container preferably convenient for test
For simulated slot water supply.
We devise and the matched water tank of simulated slot in the utility model in order to improve the accuracy and convenience of test
As for water-borne.As shown in fig. 1, water tank side wall offers water outlet of water tank corresponding with simulated slot water inlet, and water tank goes out
The setting height at the mouth of a river is not less than the setting height of simulated slot water inlet, and water outlet of water tank and simulated slot water inlet are connected by pipeline
Logical, water flow is controlled by valve, and when valve is opened, the water in water tank is able to enter in simulated slot.Pass through the tune of Water in Water Tanks position
The setting position of section and water outlet of water tank is the flowing velocity of controllable water, to guarantee that water flow can gently uniformly enter mould
Quasi- slot.In order to enable the water flow in water tank uniformly to flow into simulated slot, the setting height of water outlet of water tank should be not less than simulation
The setting height of slot water inlet, under simulating natural condition under the effect of gravity along the natural flows of hillslope overland flow；It is readily appreciated that
, to prevent flow velocity too fast, the setting height of water outlet of water tank can not excessively be higher than the setting height of simulated slot water inlet.
Furthermore overflow port is also arranged in we on water tank, and the effect of overflow port is to control the water level of water tank, make entire
The flow velocity all-the-time stable of water is constant in test process, with the slope runoff under more accurate simulating natural condition.The utility model
In we overflow port is positioned above to the position of water outlet of water tank, can be steady by water level in this way by the balance of water filling and overflow
It is scheduled on the position of overflow port.It is readily comprehensible simultaneously, if fruit overflow port position is excessively higher than water outlet of water tank position, it will lead to water
Case water outlet pressure is excessive, and water outlet excessive velocities are to influence the accuracy tested.
Meanwhile the set-up mode of simulated slot water inlet should also be as guaranteeing the water flow for entering simulated slot uniform flow in simulated slot
It is dynamic, in order to simulate slope runoff.Thus simulated slot water inlet can be set to being evenly distributed on multiple on fixed end-stopping plate
Inlet opening.It is readily comprehensible, in order to realize that identical purpose can also be using other set-up modes, such as horizontally disposed seam
Shape water inlet etc..
Lifting device in the utility model should can be realized the function of driving the lifting of lift side stable and continuous, in order to
The angle on slope when Accurate Determining slope soil starts to generate sliding.For example, by using lifting support described in Fig. 1, the liter of the bracket
Hydraulic or air pressure driving can be used to realize in drop.In addition to this above-mentioned function can also be can be realized using other by being readily apparent that
Lifting device, such as can also be using pulley blocks as lifting device.
The slope current drag power under different geological conditions can be tested using the test device of the utility model, when test
The laying of simulation rock-soil layer need to be carried out according to geological condition to be tested.Such as the present apparatus is being used in test set under condition of raining
When slope water flow is to soil body surface layer and bottom tow power, concrete layer simulation rock stratum, concrete can be set on simulation trough floor upper berth
Fracture filling between layer one layer of upper berth sand bedding course simulation rock and soil body contact surface re-lays one layer of silty clay on sand bedding course
Simulate soil layer.When only needing the drag for considering that condition of raining downslope water flow is concentrated to generate soil body surface layer according to geological conditions,
Silty clay layer can be only laid on concrete layer.Situations such as laying depth of each layer, density and distribution, should be according to be tested
Geological conditions is laid with according to the size principle of similitude." the size principle of similitude " described in the utility model is referred to according to being simulated
Practical geological conditions in each rock stratum and the thickness of the layer and distribution proportion, density etc. simulation layer is selected and is laid with.
For the ease of runoff height in measurement simulated slot, graduated scale, the setting of graduated scale can be set in simulation groove sidewall
Mode is preferably mobilizable, in order to be adjusted according to the practical laying height of simulation rock-soil layer to scale position.Such as
Sliding slot is fixed on the side wall of simulated slot, graduated scale can slide in sliding slot and fixed, the graduated scale setting of this spline structure
The largest benefit of mode is easy for the reading of runoff height.To realize that elastoplastic or rubber can be used in this function, sliding slot material
Glue etc. has the material of certain elasticity in order to clamping graduated scale." runoff height " described in the utility model refer to water body or
The depth of water flow.
The application method of the system of the utility model is as follows:
A, experimental site is chosen, simulation bulk solid slope drag survey when slope runoff is washed away of the utility model is installed
Test system；
B, simulation rock-soil layer is laid according to geological conditions to be tested, is then filled the water into water tank, until water flooding overflows
Then head piece opens overflow port, while continuing to fill the water, and Water in Water Tanks position is made to keep balancing in overflow port position；
C, hydrostatic is tested: adjusting simulated slot to being horizontally arranged by lifting device, then opening valve makes the water in water tank
It flows into simulated slot, so that simulation rock-soil layer surface layer is reached runoff height to be tested, close valve immediately；
D, lifting device is adjusted, tilts down lift side slowly, until when simulation rock-soil layer just slides at once
Stop adjustment lifting device, and measures the inclination angle alpha of simulated slot at this time；
E, move water experiment: reduction and simulation slot is to horizontal positioned and lay simulation ground according to mode identical with step B
Layer, then opening valve flows into the water in water tank in simulated slot, and simulation rock-soil layer surface layer is made to reach runoff identical with step C
Highly；
F, remove lifting end-stopping plate, while adjusting lifting device, tilt down lift side slowly, valve should be kept in the process
Door is in an open state and adjusts injection flow so that the holding of runoff height is basically unchanged, until simulation rock-soil layer just slides
When stop adjustment lifting device at once, and measure the inclination angle beta of simulated slot at this time；
G, water flow is calculated to the drag of slope soil according to experimental result.
Simulation bulk solid slope towing when slope runoff washes away using the utility model can be realized using this method
Force test system carries out measurement of the water flow to the drag of slope soil.
The beneficial effects of the utility model are: simulation bulk solid slope towing when slope runoff is washed away of the utility model
Force test system and test method are suitable for the more slow slope current drag power measurement of intense rainfall condition descending slope.To which quantization is strong
Influence of the water flow to slope soil unstability under condition of raining optimizes the oblique slope stability quantitative assessment side of existing condition of raining
Method.
Detailed description of the invention
Fig. 1 is that the structural representation of force test system is pulled on the simulation bulk solid slope of embodiment one when slope runoff washes away
Figure.
Fig. 2 is that the structural representation of force test system is pulled on the simulation bulk solid slope of embodiment two when slope runoff washes away
Figure.
Fig. 3 is graduated scale mounting structure schematic diagram.
Fig. 4 is hydrostatic experiment condition downslope earth stress analysis chart.
Fig. 5 is water experiment condition downslope earth stress analysis chart.
In the figure, it is marked as 1- simulated slot, the fixed end-stopping plate of 101-, 102- go up and down end-stopping plate, 103- bottom plate, 104- side block
Plate, 2- trunnion axis, 3- simulated slot water inlet, 4- water tank, 5- water outlet of water tank, 6- pipeline, 7- valve, 8- overflow port, 9- lifting
Bracket, 10- graduated scale, 11- sliding slot, 12- concrete layer, 13- sand bedding course, 14- silty clay, the self weight of G- slope soil, F- soil
Pressure of the body surface face water flow to slope soil, FfLower layer's rock mass measures the frictional force of slope soil under the conditions of α-smooth water test
Simulated slot tilt angle, β-moves the simulated slot tilt angle that measures under the conditions of water test, FdCurrent drag power, FNLower layer's rock
Holding power of the body to slope soil, pressure of the P- water to lifting end-stopping plate.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 3 shows, the simulation bulk solid slope of the utility model drag when slope runoff washes away is surveyed
Test system, including by bottom plate 103, side baffle 104, simulated slot 1 made of fixed end-stopping plate 101 is enclosed with lifting end-stopping plate 102
With the water tank 4 for supplying water to simulated slot 1 and the simulation rock-soil layer being layed on bottom plate 103, the simulated slot 1 includes fixing
End and lift side, the fixing end is fixed by trunnion axis 2 and can rotate around trunnion axis 2, the lift side be hydraulically operated
Lifting support 9 be connected；Simulated slot water inlet 3 is provided on the fixed end-stopping plate 101, the simulated slot water inlet 3 is equal
The even multiple inlet openings being distributed on fixed end-stopping plate 101.Going up and down end-stopping plate 102 is detachable installation.4 side wall of water tank is opened
Equipped with water outlet of water tank 5 corresponding with simulated slot water inlet 3, the setting height of water outlet of water tank 5 is slightly above simulated slot water inlet 3
Setting height, water outlet of water tank 5 and simulated slot water inlet 3 be connected to by pipeline 6, and water flow is controlled by valve 7, and valve 7 is beaten
When opening, the water in water tank 4 is able to enter in simulated slot 1；Overflow port 8 is additionally provided on water tank 4, the setting height of overflow port 8 is high
In the setting height of water outlet of water tank 5.Sliding slot 11 is provided on the side wall of simulated slot 1, for measuring height of run-off in simulated slot 1
The graduated scale 10 of degree can slide in sliding slot 11 and clamping.
Embodiment one:
Using the simulation bulk solid slope of the utility model, when slope runoff washes away, drag is tested according to the following steps
System is measured concentration condition of raining downslope water flow to the drag on soil body surface layer and bottom.
(1) experimental site is chosen, above-mentioned simulation bulk solid slope drag test system when slope runoff washes away is installed
System.
(2) concrete layer 12 is laid with according to the size principle of similitude on 1 bottom plate 103 of simulated slot according to geological conditions to be tested
Rock stratum is simulated, the fracture filling being laid on concrete layer 12 between one layer of simulation rock stratum of sand bedding course 13 and soil layer contact surface,
It is laid with one layer of silty clay layer 14 on sand bedding course 13 and simulates soil layer；10 position of graduated scale is adjusted after the completion of being laid with, and makes graduated scale 10
Start index is aligned with the surface layer of silty clay layer 14；Then it is filled the water into water tank 4, until water flooding overflow port 8, then beats
Overflow port 8 is opened, while continuing to fill the water, water level in water tank 4 is made to keep balancing in 8 position of overflow port.
(3) hydrostatic is tested: being adjusted simulated slot 1 to being horizontally arranged by lifting support 9, is then passed through simulated slot water inlet 3
It is filled the water into simulated slot 1,1 soil body surface layer of simulated slot is made to reach runoff height to be tested, close valve 7 immediately.
(4) lifting support 9 is adjusted, tilts down lift side slowly, until silty clay layer 14 is just sent out in simulated slot 1
Stop adjustment lifting support 9 when raw sliding at once, and measures the inclination angle alpha of simulated slot 1 at this time.
(5) move water experiment: reduction and simulation slot 1 is to horizontal positioned and be laid with simulation rock according to mode identical with step (2)
Then soil layer is filled the water into simulated slot 1 by simulated slot water inlet 3,1 soil body surface layer of simulated slot is made to reach identical as step (3)
Runoff height.
(6) remove lifting end-stopping plate 102, while adjusting lifting support 9, tilt down lift side slowly, during being somebody's turn to do
It keeps valve 7 to be in an open state and adjusts injection flow so that the holding of runoff height is basically unchanged, until silty is glutinous in simulated slot 1
Stop adjustment lifting support 9 when soil layer 14 just slides at once, and measures the inclination angle beta of simulated slot 1 at this time.
(7) water flow is calculated to the drag of slope soil according to experimental result.
Embodiment two:
Using the simulation bulk solid slope of the utility model, when slope runoff washes away, drag is tested according to the following steps
System is measured concentration condition of raining downslope water flow to the drag on soil body surface layer.
(1) experimental site is chosen, above-mentioned simulation bulk solid slope drag test system when slope runoff washes away is installed
System.
(2) concrete layer 12 is laid with according to the size principle of similitude on 1 bottom plate 103 of simulated slot according to geological conditions to be tested
Rock stratum is simulated, one layer of silty clay layer 14 is laid on concrete layer 12 and simulates soil layer；Adjustment 10, graduated scale after the completion of being laid with
It sets, is aligned 10 start index of graduated scale with the surface layer of silty clay 14；Then it is filled the water into water tank 4, until water flooding overflows
Then head piece 8 opens overflow port 8, while continuing to fill the water, water level in water tank 4 is made to keep balancing in 8 position of overflow port.
(3) hydrostatic is tested: being adjusted simulated slot 1 to being horizontally arranged by lifting support 9, is then passed through simulated slot water inlet 3
It is filled the water into simulated slot 1,1 soil body surface layer of simulated slot is made to reach runoff height to be tested, close valve 7 immediately.
(4) lifting support 9 is adjusted, tilts down lift side slowly, until silty clay layer 14 is just sent out in simulated slot 1
Stop adjustment lifting support 9 when raw sliding at once, and measures the inclination angle alpha of simulated slot 1 at this time.
(5) move water experiment: reduction and simulation slot 1 is to horizontal positioned and be laid with simulation rock according to mode identical with step (2)
Then soil layer is filled the water into simulated slot 1 by simulated slot water inlet 3,1 soil body surface layer of simulated slot is made to reach identical as step (3)
Runoff height.
(6) remove lifting end-stopping plate 102, while adjusting lifting support 9, tilt down lift side slowly, during being somebody's turn to do
It keeps valve 7 to be in an open state and adjusts injection flow so that the holding of runoff height is basically unchanged, until silty is glutinous in simulated slot 1
Stop adjustment lifting support 9 when soil layer 14 just slides at once, and measures the inclination angle beta of simulated slot 1 at this time.
(7) water flow is calculated to the drag of slope soil according to experimental result.
Calculation method:
It is put down by carrying out power to slope soil (soil body refers to silty clay layer in example 1 and example 2)
Weighing apparatus analysis, substitutes into calculated frictional resistance F under the conditions of smooth water testf, to calculate water flow to the drag F of slope soild。
Force analysis difference of the slope soil under hydrostatic experiment and dynamic water experiment condition is as shown in Figure 4, Figure 5.
Drag calculation formula is as follows:
In formula:
G represents slope soil self weight,
F represents soil body surface water flow to the pressure of slope soil,
FfRepresent lower layer's rock mass to the frictional force of slope soil (indicate in example 1 silty clay layer and sand bedding course it
Between frictional force, indicate concrete layer to the frictional force of silty clay layer in example 2),
α represents the simulated slot tilt angle measured under the conditions of smooth water test,
β represents the simulated slot tilt angle measured under the conditions of dynamic water test,
FdRepresent current drag power (indicates the towing that water flow generates silty clay layer surface layer and bottom in example 1
Power indicates the drag that water flow generates silty clay layer surface layer in example 2).
Claims (5)
1. force test system is pulled on simulation bulk solid slope when slope runoff washes away, it is characterised in that: including by bottom plate
(103), simulated slot (1) made of side baffle (104), fixed end-stopping plate (101) and lifting end-stopping plate (102) enclose, is layed in
Simulation rock-soil layer and water tank (4) on bottom plate (103)；The simulated slot (1) includes fixing end and lift side；The fixing end
It fixes and can be rotated around trunnion axis (2) by trunnion axis (2), the lift side is connected with lifting device, and lifting device can be continuous
Adjust the height of lift side in the vertical direction；Simulated slot water inlet (3) are provided on the fixed end-stopping plate (101)；Side block
It is fixed on plate (104) sliding slot (11), graduated scale (10) being capable of sliding and clamping in sliding slot (11)；It goes up and down end-stopping plate (102)
Detachably to install；Water tank (4) side wall offers water outlet of water tank (5) corresponding with simulated slot water inlet (3), and water tank goes out
The setting height at the mouth of a river (5) is not less than the setting height of simulated slot water inlet (3), water outlet of water tank (5) and simulated slot water inlet
(3) it is connected to by pipeline (6), water flow is controlled by valve (7), and when valve (7) is opened, the water in water tank (4) is able to enter mould
In quasi- slot (1)；It is additionally provided with overflow port (8) on the water tank (4), the setting height of overflow port (8) is higher than water outlet of water tank (5)
Setting height.
2. simulation bulk solid slope according to claim 1 pulls force test system, feature when slope runoff washes away
Be: the simulated slot water inlet (3) is the multiple inlet openings being evenly distributed on fixed end-stopping plate (101).
3. simulation bulk solid slope according to claim 1 pulls force test system, feature when slope runoff washes away
Be: the lifting device is lifting support (9).
4. simulation bulk solid slope towing when slope runoff washes away described in any claim according to claim 1~3
Force test system, it is characterised in that: the simulation rock-soil layer includes the concrete layer (12) being layed on bottom plate (103), is laid with
In the sand bedding course (13) on concrete layer (12), the silty clay layer (14) that is layed on sand bedding course (13).
5. simulation bulk solid slope towing when slope runoff washes away described in any claim according to claim 1~3
Force test system, it is characterised in that: the simulation rock-soil layer includes the concrete layer (12) being layed on bottom plate (103), is laid with
In the silty clay layer (14) on concrete layer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820611015.5U CN208736764U (en) | 2018-04-26 | 2018-04-26 | Force test system is pulled on a kind of simulation bulk solid slope when slope runoff washes away |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820611015.5U CN208736764U (en) | 2018-04-26 | 2018-04-26 | Force test system is pulled on a kind of simulation bulk solid slope when slope runoff washes away |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208736764U true CN208736764U (en) | 2019-04-12 |
Family
ID=66024030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820611015.5U Expired - Fee Related CN208736764U (en) | 2018-04-26 | 2018-04-26 | Force test system is pulled on a kind of simulation bulk solid slope when slope runoff washes away |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208736764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514810A (en) * | 2019-08-29 | 2019-11-29 | 南昌大学 | A kind of physical test device for exploring rainfall induced landslide mechanism |
| CN111855956A (en) * | 2020-06-29 | 2020-10-30 | 曾昭阳 | Water conservancy landslide experiment protector |
-
2018
- 2018-04-26 CN CN201820611015.5U patent/CN208736764U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514810A (en) * | 2019-08-29 | 2019-11-29 | 南昌大学 | A kind of physical test device for exploring rainfall induced landslide mechanism |
| CN111855956A (en) * | 2020-06-29 | 2020-10-30 | 曾昭阳 | Water conservancy landslide experiment protector |
| CN111855956B (en) * | 2020-06-29 | 2022-11-01 | 曾昭阳 | Water conservancy landslide experiment protector |
| CN111855956B8 (en) * | 2020-06-29 | 2022-11-22 | 国网湖北省电力有限公司孝感供电公司 | Water conservancy landslide experiment protector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108507894B (en) | A kind of simulation bulk solid slope pulls force test system and test method when slope runoff washes away | |
| CN108709975B (en) | Towing force test device and test method when a kind of analog ramp is acted on by rainwash | |
| WO2021008278A1 (en) | High-speed railway goaf foundation pseudo-dynamic loading model test apparatus and method | |
| Bouma et al. | Water infiltration and redistribution in a silt loam subsoil with vertical worm channels | |
| Liang et al. | Onset of suffusion in gap-graded soils under upward seepage | |
| Sleath | Wave-induced pressures in beds of sand | |
| CN106353068B (en) | A kind of adjustable debris flows simulation pilot system of flow path | |
| Radcliffe et al. | Soil water movement | |
| Snyder et al. | Effects of infiltration on chemical transport into overland flow | |
| CN105651677B (en) | A kind of Geotechnical Parameter property analyzer that can measure specific yield and infiltration coefficient simultaneously | |
| CN208736764U (en) | Force test system is pulled on a kind of simulation bulk solid slope when slope runoff washes away | |
| Eshev et al. | Critical flow velocities in cohesive saline soils | |
| Bouwer | A double tube method for measuring hydraulic conductivity of soil in situ above a water table | |
| CN105758685B (en) | A kind of experimental trough silt bed surface flatening method and its device | |
| CN208283210U (en) | A kind of analog ramp pulls force test device when acting on by rainwash | |
| Van Beek et al. | Use of incipient motion data for backward erosion piping models | |
| CN206095583U (en) | Flow path adjustable mud -rock flow analogue test system | |
| CN205301271U (en) | Geosynthetic material becomes silted up and blocks up test instrument | |
| CN108956936A (en) | The test device and test method of pipeline water flow scouring effect in a kind of simulation Rock And Soil | |
| CN210243653U (en) | Dam piping analogue test device under high water level | |
| CN209310790U (en) | A kind of combination type sedimentation observation device | |
| De Groot et al. | Large scale sand liquefaction flow slide tests revisited | |
| WANG et al. | Field model test on failure mechanism of artificial cut-slope rainfall in Southern Jiangxi | |
| CN111060435A (en) | Device and method for well-point dewatering underground water seepage law test | |
| CN108760549A (en) | The test system and test method of pipeline water flow wall surface towing stress effect in a kind of simulation Rock And Soil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 |