CN106645653A - Debris flow simulation test device and test method thereof - Google Patents
Debris flow simulation test device and test method thereof Download PDFInfo
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- CN106645653A CN106645653A CN201710161330.2A CN201710161330A CN106645653A CN 106645653 A CN106645653 A CN 106645653A CN 201710161330 A CN201710161330 A CN 201710161330A CN 106645653 A CN106645653 A CN 106645653A
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The invention belongs to the technical field of geological experiments and particularly relates to a debris flow simulation test device and a test method thereof. A lifting funnel is connected with a conveying belt through a fixed pulley; discharge ports of a second stirrer and a first stirrer are butted with a second trumpet-shaped fixed funnel and a first trumpet-shaped fixed funnel respectively; a port of a main-channel upstream groove is connected with a groove convergence port section, and the other end is connected with a discharge port of the second trumpet-shaped fixed funnel; the groove convergence port section is further connected with a branch-channel groove and a downstream groove; the other end of the branch-channel groove is connected with a discharge port of the first trumpet-shaped fixed funnel; the other end of the downstream groove is connected with a stacking platform. The debris flow simulation test device and the test method thereof can further dynamically simulate influence of dynamic reserves of two-side collapse, landslide and surface flow of the debris flow gullies on debris flow occurrence process and on a danger zone range, thereby providing useful support for research and control of debris flow.
Description
Technical field
The invention belongs to geological experiment technical field, specially debris flows simulation experimental rig and its test method.
Background technology
In Southwestern China mountain area, the mud-stone flow disaster that rainy season is frequently broken out causes great personnel's injury and damages with property
Lose, thus it is particularly urgent for the research of mud-rock flow.The characteristics of mud-stone flow disaster has burst and lasts short, researcher is difficult to
Carry out work place study, thus design targetedly simulation laboratory test device, to carry out different operating modes under simulation laboratory test just
The target that Cheng Liao researcher makes joint efforts.Consideration currently for debris flows simulation experimental rig is concentrated mainly on mudstone manifold
Into area, the length of Circulation Area, width and gradient, raceway groove thing source physical parameter and accumulation area cross angle etc..These tests
Device reduces to a certain extent and simulates the mud-stone flow disaster situation under different condition, but it can only be simulated in mud-rock flow raceway groove
The static thing source of side, and under full-scale condition, the thing source for participating in mud-stone flow disaster also includes raceway groove both sides slump thing source, domatic thing source
Deng.
The content of the invention
Problem to be solved by this invention is to provide one kind being capable of dynamic analog mud-rock flow raceway groove both sides slump thing source, domatic
Thing source etc., provides more structurally sound test and supports for the mud-stone flow disaster origin cause of formation, study on prevention.
Concrete technical scheme is：
Debris flows simulation experimental rig, including workbench pedestal, lifting funnel, the first mixer, the second mixer, first
Horn-like fixed funnel, the second horn-like fixed funnel, tap drain upstream groove, Zhigou groove, downstream groove, accumulation platform, tail
Material pond, rainer；
Described workbench pedestal is constituted and constituted by level Four transverse slat from top to bottom and the stringer board being fixed on ground, wherein certainly
It is upper and lower cross plate is followed successively by I, II, III, IV grade；The rainer is fixed on I level transverse slats, for simulated rainfall conditions；
The lifting funnel is connected with the fixed pulley that conveyer belt passes through；It is second mixer, the first mixer, solid respectively
Due to II and IV grade of transverse slat；Second mixer, the discharging opening of the first mixer dock respectively the second horn-like fixed funnel, first
Horn-like fixed funnel；The tap drain upstream groove Single port is connected with groove remittance entrance, and the other end is horn-like with second solid
Determine the connection of funnel discharging opening；The groove remittance entrance is also connected with Zhigou groove, downstream groove；The Zhigou groove other end with
First horn-like fixed funnel discharging opening connection；The lower ditch groove other end is connected with platform is piled up.
The accumulation mesa base has drawing and pulling type base plate, is tailing pond under base plate.
Tap drain upstream groove, Zhigou groove, the channel bottom of downstream groove are staggeredly relatively set with staggered notched sill
Groove both sides are provided with track, are provided with packaged type thing source case on track, the opening surface of described packaged type thing source case
To groove.
The stair are connected with stair corner platform；The second horn-like fixed funnel, the first horn-like fixed funnel
It is individually fixed in III grade of transverse slat and is fixed on stair corner platform；The vertical ladder bottom with welding manner be fixed on III grade put down
II grade of platform is fixed in platform, top with welding manner.
Experimental technique：
1. the mud-rock flow thing source that one deciding grade and level is matched somebody with somebody is transported to into mixer using lifting funnel and conveyer belt sufficiently to be stirred
Uniformly.
2. mixer is stirring evenly mud-rock flow thing source afterwards by the second mixer, the first mixer outlet by thing source
The second horn-like fixed funnel, the first horn-like fixed funnel are drained into respectively；
3. both sides are provided with packaged type thing source case for simulate mud-rock flow quick-fried in tap drain upstream groove and Zhigou groove
When sending out both sides are taken away due to the goer source produced by landslip or small-sized surface current；
4. using mud when rainer and the first horn-like fixed funnel, the second horn-like fixed funnel simulation field precipitation
The watershed of rock glacier, can control mould by the first horn-like fixed funnel, the discharging opening valve of the second horn-like fixed funnel
Intend the impact process of upstream during debris flow, while people can stand observe mud-rock-flow-impact process in stair,
5. finally impact the thing source got off and be piled up in and pile up the hazardous area scope that platform can be used for prediction mud-rock flow, then heap
Material is entered material recycle pond to recycle the effect for playing environmental protection by the drawing and pulling type base plate of its bottom of product platform.
Debris flows simulation experimental rig and its test method that the present invention is provided, the multiple test grooves of design, simulation tap drain,
Zhigou situation；And in the staggered notched sill of grooved inner surface design packaged type, simulate raceway groove features of terrain；In the design of groove both sides
Packaged type thing source case, simulates raceway groove both sides thing source situation；Transit mixer is set at the top of debris flows simulation test platform, is kept away
The error of traditional uneven generation of manual mixing material is exempted from；Rainfall simulator is designed as flare openings, simulates field
The charge for remittance platform of debris flow.
Debris flows simulation experimental rig and its test method that the present invention is provided, can further dynamic analog mud-rock flow raceway groove
Impact of the dynamic reserve to the mud-rock flow generating process and the impacts to hazardous area scope such as both sides avalanche, landslide and surface current, from
And the research to mud-rock flow and preventing and treating provide useful support.
The technique effect having：
1st, instant invention overcomes the limitation that can only simulate single-gully mud-rock flow raceway groove of traditional experiment device, is additionally arranged a plurality of examination
Groove is tested, single-gully mud-rock flow can not only be simulated, additionally it is possible to simulate the phenomenon of many gully mud-rock flow outbursts.
2nd, mixer is set at top and avoids traditional manual mixing material, i.e., it is time-consuming, turn avoid manual mixed
Close uneven caused test error.
3rd, staggered notched sill is set in trench bottom and simulates raceway groove orographic condition, can to a certain extent conventional groove be
The test error that energy artificially generated terrain condition is brought.
4th, arranging water source shower nozzle simulated rainfall conditions at top, and rainer is set to into flare openings can simulate open country
The charge for remittance platform of outer debris flow.
5th, the dynamic storing simulations such as the case simulation raceway groove both sides avalanche of packaged type thing source, landslide and surface current are set in groove both sides
Debris flow process takes away the process of the dynamic storing in both sides, can further promote to simulate debris flow process.
The 6th, tailing pond collection scrap loop is set in the case where platform is piled up and utilizes waste material, play reduces cost and environmental-protection function.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the groove dimensional structure diagram of the present invention；
Fig. 3 is the groove overlooking the structure diagram of the present invention.
Specific embodiment
The concrete technical scheme of the present invention is described with reference to the drawings.
As shown in figure 1, workbench pedestal 1 is independent with what is be fixed on ground by level Four transverse slat from top to bottom in the device
Stringer board composition is constituted, wherein from top to bottom transverse slat is followed successively by I, II, III, IV grade, the transverse slat is with stringer board by stainless steel material group
Into contact site connected mode is welding；The fixed pulley that the lifting funnel 2 passes through with conveyer belt 3 is connected, using conveyer belt 3
Power is provided, is reduced artificial workload and is realized that transported material is played a part of in the movement of horizontal or vertical direction；Described second
Mixer 40, the bottom of the first mixer 4 are individually fixed in II and IV grade of transverse slat by large-scale screw, nut, for stirring material,
Mixer arranges discharge gate, it is possible to reduce experimental labor's workload；The second horn-like fixed funnel 50, first is horn-like solid
Determine funnel 5 and respectively III grade of transverse slat is fixed on screw, nut connected mode and is fixed on stair corner platform 6, funnel left side
With discharging opening, discharge can be controlled by hopper valve；The stair corner platform (6) for connecting stair 13, while being used for
Fix the first horn-like fixed funnel 5；Tap drain upstream groove 7 and Zhigou groove 8 and downstream groove 10 are by organic glass
Glass is made, and the Single port of tap drain upstream groove 7 converges entrance 9 by glass gemel connection with groove, and the other end is horn-like with second solid
Determine the connection of the discharging opening of funnel 50；The other end of Zhigou groove 8 is connected with the discharging opening of the first horn-like fixed funnel 5；The ditch
Groove converges entrance 9 for connecting tap drain upstream groove 7, Zhigou groove 8, downstream groove 10, and connecting material is glass cement, prevents from converging
Entrance leak；The lower Single port of ditch groove 10 converges entrance 9 by glass gemel connection, the other end and accumulation platform 11 with groove
Connection；The accumulation platform 11 is used for mud-rock flow horizon prediction, and there is drawing and pulling type base plate its bottom, can extract out drawing and pulling type base plate
Material is entered into tailing pond 12；The tailing pond 12 is located at piles up the lower section of platform 11, and effect is to collect scrap loop to utilize；It is described
Stair 13 are connected with stair corner platform 6, and test operation and maintenance are observed and facilitated for mud-rock flow；The vertical ladder 14 is stainless
Steel material is made, and III grade of platform is fixed in bottom with welding manner, and II grade of platform is fixed in top with welding manner, for stirring
Machine is operated and test observation, and facilitates plant maintenance；The rainer 15 is fixed on I level transverse slats, for simulated rainfall bar
Part；The platform support columns 16 are used to support the weights such as stirring pool, funnel, strengthen platform stabilization.
As shown in Figures 2 and 3, the staggered notched sill 17 be staggeredly oppositely arranged on tap drain upstream groove 7, Zhigou groove 8,
The channel bottom of downstream groove 10, simulates to a certain extent the landform of mud-rock flow raceway groove, reduces test error；The track 18
For controlling the movement of packaged type thing source case, the both sides of groove arrange packaged type thing source case 19 using rail principle, and it is opened
Mouthful towards groove, for simulating the dynamic storing amounts such as raceway groove both sides landslide, avalanche and surface current.
Experimental technique：
1. the mud-rock flow thing source that a deciding grade and level is matched somebody with somebody is transported to into mixer 4 using lifting funnel 2 and conveyer belt 3 sufficiently to be stirred
Mix uniform；
2. mixer 4 is stirring evenly mud-rock flow thing source afterwards by the second mixer 40, the outlet of the first mixer 4 general
Thing source drains into respectively the second horn-like fixed funnel 50, the first horn-like fixed funnel 5；
3. both sides are provided with packaged type thing source case 19 for simulating mudstone in tap drain upstream groove 7 and Zhigou groove 8
During stream outburst both sides are taken away due to the goer source produced by landslip or small-sized surface current；
4. using the horn-like fixed funnel 5, the second horn-like fixed funnel 50 of rainer 15 and first simulation field drop
The watershed of mud-rock flow during water, can pass through the first horn-like fixed funnel 5, the discharging opening valve of the second horn-like fixed funnel 50
Door, the impact process of upstream during control simulation debris flow, while people can stand observe mud-rock-flow-impact process in stair 13；
5. finally impact the thing source got off and be piled up in and pile up the hazardous area scope that platform 11 can be used for prediction mud-rock flow, then
Material is entered material recycle pond 12 to recycle the effect for playing environmental protection by the drawing and pulling type base plate for piling up its bottom of platform 11.
Claims (5)
1. debris flows simulation experimental rig, including workbench pedestal (1), it is characterised in that also including lifting funnel (2), first
Mixer (4), the second mixer (40), the first horn-like fixed funnel (5), the second horn-like fixed funnel (50), on tap drain
Trip groove (7), Zhigou groove (8), downstream groove (10), accumulation platform (11), tailing pond (12), rainer (15)；
Described workbench pedestal (1) is constituted and constituted by level Four transverse slat from top to bottom and the stringer board being fixed on ground, wherein certainly
It is upper and lower cross plate is followed successively by I, II, III, IV grade；The rainer (15) is fixed on I level transverse slats, for simulated rainfall conditions；
The fixed pulley that lifting funnel (2) passes through with conveyer belt (3) is connected；Second mixer (40), the first mixer
(4), it is individually fixed in II and IV grade of transverse slat；Second mixer (40), the discharging opening of the first mixer (4) dock respectively the second loudspeaker
Shape fixed funnel (50), the first horn-like fixed funnel (5)；Tap drain upstream groove (7) Single port imports mouth with groove
Section (9) connection, the other end is connected with the second horn-like fixed funnel (50) discharging opening；Groove remittance entrance (9) is also connected with
Zhigou groove (8), downstream groove (10)；Zhigou groove (8) other end and the first horn-like fixed funnel (5) discharging opening connect
Connect；Lower ditch groove (10) other end is connected with platform (11) is piled up.
2. debris flows simulation experimental rig according to claim 1, it is characterised in that accumulation platform (11) bottom has
Drawing and pulling type base plate, be under base plate tailing pond (12).
3. debris flows simulation experimental rig according to claim 1, it is characterised in that tap drain upstream groove (7),
Ditch groove (8), the channel bottom of downstream groove (10) are staggeredly relatively set with staggered notched sill (17) and exist, and groove both sides are provided with
Track (18), is provided with packaged type thing source case (19) on track (18), the opening surface in described packaged type thing source case (19)
To groove.
4. debris flows simulation experimental rig according to claim 1, it is characterised in that the stair (13) and stair corner
Platform (6) connects；The second horn-like fixed funnel (50), the first horn-like fixed funnel (5) are individually fixed in III grade of horizontal stroke
Plate and it is fixed on stair corner platform (6)；III grade of platform is fixed in vertical ladder (14) bottom with welding manner, and top is welding
The mode of connecing is fixed on II grade of platform.
5. the test method of debris flows simulation experimental rig according to claim 1, it is characterised in that including following mistake
Journey：
1. the mud-rock flow thing source that a deciding grade and level is matched somebody with somebody is transported to into mixer (4) using lifting funnel (2) and conveyer belt (3) is carried out sufficiently
Stir；
2. mixer (4) is stirring evenly mud-rock flow thing source afterwards by the second mixer (40), the first mixer (4) outlet
Thing source is drained into into respectively the second horn-like fixed funnel (50), the first horn-like fixed funnel (5)；
3. packaged type thing source case (19) is provided with for simulating mud in tap drain upstream groove (7) and Zhigou groove (8) interior both sides
Rock glacier takes away both sides due to the goer source produced by landslip or small-sized surface current when breaking out；
4. field is simulated using rainer (15) and the first horn-like fixed funnel (5), the second horn-like fixed funnel (50)
The watershed of mud-rock flow during precipitation, can pass through the first horn-like fixed funnel (5), second horn-like fixed funnel (50) and go out
Material mouth valve, the impact process of upstream during control simulation debris flow；
5. finally impact the thing source got off and be piled up in and pile up the hazardous area scope that platform (11) can be used for prediction mud-rock flow.
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Cited By (7)
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| CN108287229A (en) * | 2018-03-08 | 2018-07-17 | 吉林大学 | A kind of mud-rock flow groove channel erosion simulation experiment system |
| 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 |
| CN111627279A (en) * | 2020-05-19 | 2020-09-04 | 中国安全生产科学研究院 | Test system for simulating whole process of landslide and debris flow disaster chain |
| CN112304566A (en) * | 2020-10-29 | 2021-02-02 | 西南科技大学 | Three-dimensional arbitrary-form debris flow groove simulation experiment system and experiment method |
| CN112630058A (en) * | 2020-12-15 | 2021-04-09 | 成都理工大学 | Assembled granular impact test device |
| CN115598325A (en) * | 2022-11-29 | 2023-01-13 | 成都理工大学（Cn） | Rainfall type landslide instability test device based on seepage macroscopic damage coupling analysis |
| CN115985175A (en) * | 2022-12-29 | 2023-04-18 | 中国科学院、水利部成都山地灾害与环境研究所 | Multistage mountain region disaster chain analogue test device |
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| CN108287229A (en) * | 2018-03-08 | 2018-07-17 | 吉林大学 | A kind of mud-rock flow groove channel erosion simulation experiment system |
| 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 |
| CN111627279A (en) * | 2020-05-19 | 2020-09-04 | 中国安全生产科学研究院 | Test system for simulating whole process of landslide and debris flow disaster chain |
| CN112304566A (en) * | 2020-10-29 | 2021-02-02 | 西南科技大学 | Three-dimensional arbitrary-form debris flow groove simulation experiment system and experiment method |
| CN112630058A (en) * | 2020-12-15 | 2021-04-09 | 成都理工大学 | Assembled granular impact test device |
| CN115598325A (en) * | 2022-11-29 | 2023-01-13 | 成都理工大学（Cn） | Rainfall type landslide instability test device based on seepage macroscopic damage coupling analysis |
| CN115985175A (en) * | 2022-12-29 | 2023-04-18 | 中国科学院、水利部成都山地灾害与环境研究所 | Multistage mountain region disaster chain analogue test device |
| CN115985175B (en) * | 2022-12-29 | 2023-09-26 | 中国科学院、水利部成都山地灾害与环境研究所 | Multistage mountain region disaster chain analogue test device |
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