CN106053760B - It is washed away and the coefficient mud-rock flow material resource starting simulator of rainfall based on surface current - Google Patents
It is washed away and the coefficient mud-rock flow material resource starting simulator of rainfall based on surface current Download PDFInfo
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- CN106053760B CN106053760B CN201610504714.5A CN201610504714A CN106053760B CN 106053760 B CN106053760 B CN 106053760B CN 201610504714 A CN201610504714 A CN 201610504714A CN 106053760 B CN106053760 B CN 106053760B
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- rainfall
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- 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
Abstract
The invention discloses one kind to be washed away and the coefficient mud-rock flow material resource starting simulator of rainfall based on surface current, including water tank, rear charge for remittance device, rainer, frame-type bracket, body feed tank, Circulation Area, accumulation area and waste water collection device, the device first passes through the fixed fluid zone gradient of postposition frame-type bracket, preposition frame-type bracket is adjusted again can fix the body feed tank gradient, Circulation Area and body feed tank be connected by hinge with India rubber band.By hanging type elastic mesh rope, the accumulation form and feature of accumulation body can be observed in real time.Rear charge for remittance device gets one's things ready water flow by 7~10 and twice water flow barrier can realize that surface current washes away.The present invention can simulate surface current wash away under rainfall collective effect, the starting of mud-rock flow, migration and accumulation situation.And the onset dynamics of mud-rock flow under different gradient can be studied by the gradient of change material resource case and Circulation Area.The present invention can real simulation surface current wash away the start-up course with mud-rock flow under rainfall collective effect.
Description
Technical field
The present invention relates to a kind of mud-rock flow experimental provision, it is especially a kind of for surface current wash away under rainfall collective effect
, mud-rock flow material resource body is washed away by surface current starts experimental provision with the coefficient mud-rock flow of rainfall.
Background technique
It is more and more to debris flows simulation experiment both at home and abroad, while also increasingly refining.Mud-rock flow experiment includes interior
Model experiment, site-models experiment and numerical simulation etc..In simulated experiment, rainfall be induce mud-rock flow starting it is key because
Element, there are two types of the modes of action of rainfall, and one is direct rainfalls, and one is confluences to wash away.Rear charge for remittance washes away work in experiment
With the indispensable a part of always physical simulation experiment, how the effect that real simulation rear charge for remittance washes away is always mudstone
Flow the difficult point of physical model experiment.
Currently, the device of simulation mud-rock flow rear charge for remittance is essentially duct type lumped scour, i.e., it is arranged at model casing rear
Compared with thick pipe, material resource body in case is washed away.But the analogy method of duct type rear charge for remittance has artificially determined that material resource body rushes
The position of brush ditch, reduce material resource body is washed away area, is increased and is washed stress suffered by the soil body, causes stress to concentrate existing
As, and duct type rear charge for remittance sphere of action does not cover material resource body soil at both sides.Therefore, charge for remittance non-uniform phenomenon in rear is straight
The erroneous judgement for phenomena such as connecing influence test result, causing the scale of Critical Rainfall, moisture content, pore water pressure and debris flow gully,
And then influence the prediction and early warning of mud-rock flow.Therefore, a kind of surface current charge for remittance device is invented, is washed away by surface current common with rainfall
The mode of effect applies flow action, can starting compared with real simulation mud-rock flow and generating process.And up to the present, still
There is no laboratory that can simulate the effect that surface current washes away, especially uniform overland flow washes away the collective effect with rainfall.
Summary of the invention
It is cheap the present invention provides a kind of easy to operate, it can effectively simulate uniform surface current and wash away and make jointly with rainfall
Mud-rock flow under starts experimental provision.The present invention can simulate different gradient, different rainfall intensities and different rears gathering ground
Starting, migration and the banking process of mud-rock flow under souring are flowed, while by detachable latticed elastic string, it can be real-time
Monitor the transport conditions of accumulation area material resource.
The present invention includes：
Water tank provides water source and hydraulic pressure for the uniform surface current of material resource body and rainfall；
Body feed tank, for holding mud-rock flow material resource body, the body feed tank has certain altitude relative to datum level；
Circulation Area, one end are connected with body feed tank, and the other end is connected with accumulation area；
Accumulation area is located on datum level, connects with Circulation Area；
Rear charge for remittance device provides uniform surface current for mud-rock flow starting；
Rainer provides misty uniform rainfall for mud-rock flow starting；
The waste water in experimentation, flowing through accumulation area is collected by waste water collection device；
Frame-type bracket, including preposition shape steel bracket and postposition shape steel bracket, preposition shape steel bracket be rear charge for remittance device and
Body feed tank provides support, and postposition shape steel bracket is body feed tank, Circulation Area and rainer provide support, body feed tank and Circulation Area
The gradient can be adjusted by frame-type bracket；Preposition shape steel bracket and postposition shape steel bracket have fixed pulley.
The water tank is PE water tank, self priming pump is housed on water tank, the water inlet of self priming pump is located in water tank, self-priming
The water outlet of pump is connected to PVC water supplying pipe and PVC pipeline；Rearward charge for remittance device and the rainer supply water self priming pump；
The body feed tank is by the organic glasses of two sides, the first bottom steel plate group at the first bottom steel plate passes through ball blast
Processing, to increase bottom friction power.
The rear charge for remittance device is by charge for remittance valve, charge for remittance flowmeter, PVC pipeline, 6-10 charge for remittance apopore, PVC
Plate and twice water flow barrier composition.
The accumulation area is made of elastic mesh rope and accumulation area box-type device, and elastic mesh rope is located at accumulation area box
On device, accumulation area box-type device is welded by steel plate, and Shot Blasting is passed through on accumulation area box-type device surface, on accumulation area
End connects with the outlet of Circulation Area, and two drainage pipelines are arranged in accumulation area lower end.Setting × grid at the top of accumulation area, grid spacing
Mm, grid are alternately formed by connecting by elastic mesh rope, and elastic mesh rope two sides are equipped with hook, easy to disassemble.It is set above accumulation area
Camera is set, video camera is arranged in the tail portion of accumulation area；
The rainer is by rainfall water supply valve, rainfall flowmeter, PVC water supplying pipe and rainfall sprinkler composition, PVC
Water supplying pipe is connected to self priming pump water outlet, and rainfall water supply valve, rainfall flowmeter are arranged in PVC water supplying pipe front, PVC water supplying pipe
Tail portion several rainfall spray heads are installed, rainfall spray head is located on body feed tank,
The Circulation Area is by Circulation Area organic glass and the second bottom steel plate group at the two sides of the second bottom steel plate are set
Circulation Area organic glass is set, the second bottom steel plate is connected by hinge with the first bottom steel plate of body feed tank.
There is provided water source by water tank, the material resource body in body feed tank in the planar water flow of rear charge for remittance device and rainfall spray head and
Under the action of rainfall, the mud-rock flow fluid of experiment is formed, mud-rock flow fluid is by Circulation Area, into accumulation area box-type device,
Excessive water stream is discharged in waste water collection device by drainage pipeline.
Body feed tank angle of regulation range is 0~25 °.
Circulation Area adjusts the gradient by the outlet end height of body feed tank, and the range of grade of Circulation Area is 0~40 °.
Elastic mesh rope both ends can hanging buckle in steel plate hole, after experiment, elastic mesh rope is detachable, does not influence to accumulate
The measurement and cleaning of body.
Operation of the present invention process is as follows：
1) according to field investigation and Google Maps, research area's area is determined, by inquiring hydrological data, that is simulated is sudden and violent
Rain operating condition calculates rear charge for remittance flow further according to drainage area and raininess.
2) choose more typical material resource body in debris flow gully, as the starting material resource body of quasi- simulation, to the material resource body into
The ratio of each gradation is determined in row screening, and according to mass substitutions method is waited, determines material resource body gradation needed for experiment porch.
3) landform according to locating for material resource body and the gradient, the height of the cross bar support of adjustment postposition shape steel bracket, can obtain
To the gradient of Circulation Area.It is supported by adjusting the cross bar of preposition shape steel bracket, the gradient of body feed tank can be fixed.
4) by fixed pulley, material resource body is uniformly placed in body feed tank, while water cut meter and pore water pressure being installed
Meter, and compactness inspection is carried out, the compactness to guarantee simulation material resource is same or similar with live material resource compactness.
5) water tank is filled into water, installs the elastic string grid of accumulation area, open camera and video camera.
6) rainfall water supply valve, root are adjusted according to above-mentioned design raininess and rear charge for remittance flow by self priming pump water supply start
Rainfall intensity is controlled according to rainfall flowmeter, adjusts charge for remittance valve and charge for remittance flowmeter, and uniform surface current can be realized and wash away and mist
It is carried out while shape rainfall.Feature is washed away and started by mud-rock flow in Perspex body feed tank.Have by Circulation Area
Machine glass, the carrying feature of debris flow body in observable Circulation Area, passes through elastic string grid lines, observes the heap of accumulation area mud-rock flow
Product feature, and the length to Debris Flow Deposition body, width and rhythm variation characteristic make a record.
7) when rainfall and rear charge for remittance reach the analogue value, sluice is closed.And carry out the acquisition and record work of data.
Beneficial effects of the present invention：
1, model experiment platform has the characteristics that cheap, easy to operate, scale is moderate, stepwise adjustable.This experiment is flat
Platform assembly and disassembly are easy, and the gradient in material area and Circulation Area is adjusted by segmented, can simulate the different terrain gradient pair
The influence of mud-rock flow；
2, by the rear charge for remittance device of autonomous Design, it can achieve the purpose of uniform surface current rear charge for remittance, avoid concentrating
Water flow washes away material resource body, artificial increased water flow souring, to cause the phenomenon that analog result does not conform to the actual conditions；
3, accumulation area grid is vacantly arranged, has many advantages, such as that observability is strong, disassembly is simple and draining is convenient.It avoids
The phenomenon that grid is often flooded, can not observe ground grid at all by the covering of grid division on ground, material and muddy water flow.
Detailed description of the invention
Fig. 1 is stereoscopic schematic diagram of the invention.
Fig. 2 is side view of the invention.
Fig. 3 is the schematic perspective view of rear charge for remittance device of the invention.
Fig. 4 is frame-type support schematic diagram of the invention.
Specific embodiment
It please refers to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention includes：
Water tank 1 provides water source and hydraulic pressure for the uniform surface current of material resource body and rainfall；
Body feed tank 13, for holding mud-rock flow material resource body, the body feed tank 13 has certain altitude relative to datum level；
Circulation Area 15, one end are connected with body feed tank 13, and the other end is connected with accumulation area A；
Accumulation area A is located on datum level, connects with Circulation Area 15；
Rear charge for remittance device 7 provides uniform surface current for mud-rock flow starting；
Rainer B provides misty uniform rainfall for mud-rock flow starting；
The waste water in experimentation, flowing through accumulation area A is collected by waste water collection device 21；
Frame-type bracket C, including preposition shape steel bracket 10 and postposition shape steel bracket 12, preposition shape steel bracket 10 are rear charge for remittance
Device 7 and body feed tank 13 provide support, and postposition shape steel bracket 12 is body feed tank 13, Circulation Area 15 and rainer B provide support,
The gradient of body feed tank 13 and Circulation Area 15 can be adjusted by frame-type bracket C；Preposition shape steel bracket 10 and postposition shape steel bracket
12 have fixed pulley 28.
The water tank 1 is PE water tank, and self priming pump 2 is housed on water tank, and the water inlet of self priming pump 2 is located in water tank 1,
The water outlet of self priming pump 2 is connected to PVC water supplying pipe 5 and PVC pipeline 27；Rearward charge for remittance device 7 and the rainfall of self priming pump 2
Device B supplies water；
The body feed tank 13 is made of organic glass 25, the first bottom steel plate 26 of two sides, the first bottom steel plate 26
By Shot Blasting, to increase bottom friction power.
The rear charge for remittance device 7 is by charge for remittance valve 23, charge for remittance flowmeter 24, PVC pipeline 27,6-10 charge for remittance water outlet
Hole 6, PVC board 9 and twice water flow barrier 8 form.
The accumulation area A is made of elastic mesh rope 17 and accumulation area box-type device 18, and elastic mesh rope 17 is located at heap
On product area's box-type device 18, accumulation area box-type device 18 is welded by steel plate, and 18 surface of accumulation area box-type device is by throwing
Ball processing, the upper end accumulation area A connect with the outlet of Circulation Area 15, and two drainage pipelines 20 are arranged in the lower end accumulation area A.Accumulation area A
5 × 7 grids, grid spacing 300mm are arranged in top, and grid is alternately formed by connecting by elastic mesh rope 17, and 17 liang of elastic mesh rope
Side is equipped with hook, easy to disassemble.Camera 16 is set above accumulation area A, and video camera 19 is arranged in the tail portion of accumulation area A；
The rainer B is by rainfall water supply valve 3, rainfall flowmeter 4, PVC water supplying pipe 5 and 11 groups of rainfall spray head
At PVC water supplying pipe 5 is connected to 2 water outlet of self priming pump, and rainfall water supply valve 3, rainfall flowmeter 4 are arranged before PVC water supplying pipe 5
Portion, the tail portion of PVC water supplying pipe 5 are equipped with several rainfall spray heads 11, and rainfall spray head 11 is located on body feed tank 13,
The Circulation Area 15 is made of Circulation Area organic glass 14 and the second bottom steel plate 22, the second bottom steel plate 22
Two sides Circulation Area organic glass 14 is set, the second bottom steel plate 22 passes through 26 phase of the first bottom steel plate of hinge and body feed tank 13
Even.
Water source is provided by water tank 1, planar of the material resource body in body feed tank 13 in rear charge for remittance device 7 and rainfall spray head 11
Under the action of water flow and rainfall, the mud-rock flow fluid of experiment is formed, mud-rock flow fluid is by Circulation Area 15, into accumulation area case
Type device 18, excessive water stream are discharged in waste water collection device 21 by drainage pipeline 20.
13 angle of regulation range of body feed tank is 0~25 °.
Circulation Area 15 adjusts the gradient by the outlet end height of body feed tank 13, and the range of grade of Circulation Area 15 is 0~
40°。
17 both ends of elastic mesh rope can hanging buckle in steel plate hole, after experiment, elastic mesh rope 17 is detachable, does not influence
The measurement and cleaning of accumulation body.
Operation of the present invention process is as follows：
1) according to field investigation and Google Maps, research area's area is determined, by inquiring hydrological data, that is simulated is sudden and violent
Rain operating condition calculates rear charge for remittance flow further according to drainage area and raininess.
2) choose more typical material resource body in debris flow gully, as the starting material resource body of quasi- simulation, to the material resource body into
The ratio of each gradation is determined in row screening, and according to mass substitutions method is waited, determines material resource body gradation needed for experiment porch.
3) landform according to locating for material resource body and the gradient, the height of the cross bar support of adjustment postposition shape steel bracket 12
Obtain the gradient of Circulation Area 15.It is supported by adjusting the cross bar of preposition shape steel bracket 10, the gradient of body feed tank 13 can be fixed.
4) by fixed pulley 28, material resource body is uniformly placed in body feed tank 13, while water cut meter and pore water being installed
Pressure gauge, and compactness inspection is carried out, the compactness to guarantee simulation material resource is same or similar with live material resource compactness.
5) water tank 1 is filled into water, installs the elastic string grid 17 of accumulation area A, open camera 16 and video camera 19.
6) rainfall water supply valve is adjusted according to above-mentioned design raininess and rear charge for remittance flow by 2 water supply start of self priming pump,
Rainfall intensity is controlled according to rainfall flowmeter 4, adjusts charge for remittance valve 23 and charge for remittance flowmeter 24, uniform surface current punching can be realized
It is carried out while brush and misty rainfall.Mud-rock flow in body feed tank, which is observed, by organic glass 25 washes away and start feature.Pass through
Circulation Area organic glass 14, the carrying feature of debris flow body in observable Circulation Area 15, passes through elastic string grid lines 17, observes heap
The stacking characteristic of product area's mud-rock flow, and the length to Debris Flow Deposition body, width and rhythm variation characteristic make a record.
7) when rainfall and rear charge for remittance reach the analogue value, sluice is closed.And carry out the acquisition and record work of data.
Claims (3)
1. one kind is washed away and the coefficient mud-rock flow material resource starting simulator of rainfall based on surface current, it is characterised in that：Including
Have：
Water tank (1) provides water source and hydraulic pressure for the uniform surface current of material resource body and rainfall；
Body feed tank (13), for holding mud-rock flow material resource body, the body feed tank (13) has certain altitude relative to datum level；
Circulation Area (15), one end are connected with body feed tank (13), and the other end is connected with accumulation area (A)；
Accumulation area (A) is located on datum level, connects with Circulation Area (15)；
Rear charge for remittance device (7) provides uniform surface current for mud-rock flow starting；
Rainer (B) provides misty uniform rainfall for mud-rock flow starting；
The waste water in experimentation, flowing through accumulation area (A) is collected by waste water collection device (21)；
Frame-type bracket (C), including preposition shape steel bracket (10) and postposition shape steel bracket (12), preposition shape steel bracket (10) are rear
Charge for remittance device (7) and body feed tank (13) provide support, and postposition shape steel bracket (12) is body feed tank (13), Circulation Area (15) and rainfall
Device (B) provides support, and the gradient of body feed tank (13) and Circulation Area (15), which passes through frame-type bracket (C), can be adjusted；
Be provided with cross bar on the preposition shape steel bracket (10) and postposition shape steel bracket (12), preposition shape steel bracket (10) and after
Shape steel bracket (12) are set with fixed pulley (28)；
The water tank (1) is PE water tank, self priming pump (2) is housed on water tank, the water inlet of self priming pump (2) is located at water tank
(1) in, the water outlet of self priming pump (2) is connected to PVC water supplying pipe (5) and PVC pipeline (27)；Rearward charge for remittance fills self priming pump (2)
It sets (7) and the rainer (B) supplies water；
The body feed tank (13) is made of organic glass (25), the first bottom steel plate (26) of two sides, the first bottom steel plate
(26) pass through Shot Blasting, to increase bottom friction power；
The rear charge for remittance device (7) is by charge for remittance valve (23), charge for remittance flowmeter (24), PVC pipeline (27), 6-10 charge for remittance
Apopore (6), PVC board (9) and twice water flow barrier (8) composition, the 6-10 charge for remittance water outlet (6) are uniformly arranged on
PVC pipeline (27) end, and it is evenly arranged in the top of PVC board (9), the twice water flow barrier is horizontally installed on PVC board
(9) on；
The accumulation area (A) is made of elastic mesh rope (17) and accumulation area box-type device (18), elastic mesh rope (17) position
On accumulation area box-type device (18), accumulation area box-type device (18) is welded by steel plate, accumulation area box-type device (18)
Shot Blasting is passed through on surface, and two drainage pipelines (20) are arranged in the accumulation area lower end (A)；Camera is set above accumulation area (A)
(16), video camera (19) are arranged in the tail portion of accumulation area (A)；
The rainer (B) is by rainfall water supply valve (3), rainfall flowmeter (4), PVC water supplying pipe (5) and rainfall spray head
(11) it forms, PVC water supplying pipe (5) is connected to self priming pump (2) water outlet, rainfall water supply valve (3), rainfall flowmeter (4) setting
In PVC water supplying pipe (5) front, the tail portion of PVC water supplying pipe (5) is equipped with several rainfall spray heads (11), and rainfall spray head (11) is located at
On body feed tank (13)；
The Circulation Area (15) is made of Circulation Area organic glass (14) and the second bottom steel plate (22), the second bottom steel plate
(22) Circulation Area organic glass (14) are arranged in two sides, and the second bottom steel plate (22) passes through the first bottom of hinge and body feed tank (13)
Portion's steel plate (26) is connected.
2. one kind according to claim 1 is washed away based on surface current and the coefficient mud-rock flow material resource starting simulation dress of rainfall
It sets, it is characterised in that：Body feed tank (13) angle of regulation range is 0~25 °.
3. one kind according to claim 1 is washed away based on surface current and the coefficient mud-rock flow material resource starting simulation dress of rainfall
It sets, it is characterised in that：Circulation Area (15) adjusts the gradient, the gradient of Circulation Area (15) by the outlet end height of body feed tank (13)
Range is 0~40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504714.5A CN106053760B (en) | 2016-06-30 | 2016-06-30 | It is washed away and the coefficient mud-rock flow material resource starting simulator of rainfall based on surface current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504714.5A CN106053760B (en) | 2016-06-30 | 2016-06-30 | It is washed away and the coefficient mud-rock flow material resource starting simulator of rainfall based on surface current |
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| Publication Number | Publication Date |
|---|---|
| CN106053760A CN106053760A (en) | 2016-10-26 |
| CN106053760B true CN106053760B (en) | 2018-11-30 |
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| CN201610504714.5A Expired - Fee Related CN106053760B (en) | 2016-06-30 | 2016-06-30 | It is washed away and the coefficient mud-rock flow material resource starting simulator of rainfall based on surface current |
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| CN115979584B (en) * | 2023-03-22 | 2023-06-02 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | Gully type debris flow starting simulation test device |
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| JP5526541B2 (en) * | 2008-12-26 | 2014-06-18 | 富士通株式会社 | Debris flow risk judgment device, debris flow risk judgment method, and debris flow risk judgment program |
| CN102147325B (en) * | 2011-02-28 | 2012-10-03 | 浙江工业大学 | Experimental apparatus for non-constant debris flow |
| CN203772517U (en) * | 2014-03-31 | 2014-08-13 | 中钢集团马鞍山矿山研究院有限公司 | Mine dump landslide-type mud-rock flow simulation test system |
| CN203772857U (en) * | 2014-03-31 | 2014-08-13 | 中钢集团马鞍山矿山研究院有限公司 | Testing apparatus for simulating mudslide of mine refuse dump |
| KR101531847B1 (en) * | 2014-04-30 | 2015-06-29 | 한국지질자원연구원 | Simulation test apparatus for debris flow or slope erosion with raindrop simulator |
| CN203965277U (en) * | 2014-05-07 | 2014-11-26 | 南京大学 | A kind of glutinousness rubble flow experimental simulation device |
| CN104020262B (en) * | 2014-06-23 | 2015-09-30 | 重庆大学 | A kind of landslide is along experimental system in dimensional topography sliding process simulating chamber |
| CN204556622U (en) * | 2015-01-13 | 2015-08-12 | 中国计量学院 | A kind of simulation of Rock And Soil catastrophe and pick-up unit |
| CN105137034B (en) * | 2015-08-18 | 2017-01-04 | 中国矿业大学(北京) | A kind of mud-rock flow physical model experiment system and debris flows simulation assembly thereof |
| CN105527405A (en) * | 2016-01-28 | 2016-04-27 | 西南石油大学 | Physical simulation test device and method for convergence of debris flows into rivers |
| CN105510557A (en) * | 2016-01-28 | 2016-04-20 | 西南石油大学 | Debris flow simulation test device and test method capable of adjusting and controlling hazard-cause factors |
| CN105699628A (en) * | 2016-03-24 | 2016-06-22 | 吉林大学 | Simulation test system integrating start, migration and accumulation of debris flow |
| CN205786621U (en) * | 2016-06-30 | 2016-12-07 | 吉林大学 | Wash away mud-rock flow thing source coefficient with rainfall based on surface current and start analog |
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2016
- 2016-06-30 CN CN201610504714.5A patent/CN106053760B/en not_active Expired - Fee Related
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