CN208039180U - A kind of debris flow device - Google Patents
A kind of debris flow device Download PDFInfo
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- CN208039180U CN208039180U CN201820033873.6U CN201820033873U CN208039180U CN 208039180 U CN208039180 U CN 208039180U CN 201820033873 U CN201820033873 U CN 201820033873U CN 208039180 U CN208039180 U CN 208039180U
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- Prior art keywords
- dam
- debris flow
- blocking
- mud
- gully
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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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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Abstract
The utility model belongs to hydraulic engineering technical field, discloses a kind of debris flow device, and the debris flow device is provided with several blocking dams built on trunk debris flow gully；Each basin of trunk debris flow gully is formed with branch debris flow gully, and being built on the branch debris flow gully has check dam dam；Integration has several drainage grooves on the blocking dam dam body；The blocking dam downstream river course closely trraning pole.The system coordinates construction using blocking dam, check dam dam on trunk, branch debris flow gully, reinforce upstream mud-rock flow solid loose material of blocking, raise tap drain erosion basis, broadening, the increase cross-section of river, cut down mud-rock flow, flood hydrodynamic condition, existing ditch bed deposit is consolidated simultaneously, to weaken influence and harm of the mud-rock flow to downstream.For more dam mud-rock flow material resource of blocking, its generation is made to back-silt, enhance dam foundation stability, great development is brought for politics, the people's livelihood.
Description
Technical field
The utility model belongs to hydraulic engineering technical field more particularly to a kind of debris flow device.
Background technology
The towns A Wang market town debris flow gully includes A Wang rivers debris flow gully and the gulfs Huang Jia debris flow gully, is belonged on the basins little Jiang
Trip, wherein A Wang rivers debris flow gully belongs to small river level-one Zhigou debris flow gully.A Wang rivers are an expansionary debris flow gully,
According to investigation,,, 2011 in 1984 in 1993 in 1998 in 2007 every year mud-stone flow disaster occurred for A Wang rivers, wherein
On July 13rd, 1998, primary extensive mud-rock flow, 0.62km was formd with the mud-rock flow occurred in the past in downstream jointly2Mudstone
Flow deposition fan.This mud-stone flow disaster causes 2 people dead, and 380 mu of farmland is buried in silt of destroying by rush of water, and between the house 3 that destroys by rush of water, water channel 250m is public
Road and bridge contain 2, and railway bridges and culverts 1 and railway bed 150m cause more than 100 ten thousand yuan of direct economic loss, and threaten the market towns A Wang,
The railway stations A Wang people more than 1700, the safety of 25,630,000 yuan of fixed assets.When the June in 2011 of evening 23 on the 14th or so, the towns A Wang are prominent
Drop point heavy rain, and about 2 hours of duration, cause upstream original village group highway and part massif bulk materials largely to collapse, former
Having engineering dam to accumulate at present has expired bulk deposition body.Still there be a large amount of bulk solid mass existing upstream, if in bust point heavy rain,
The a large amount of bulk solid mass in upstream (spoir etc.) will flow to market town under suitable middle gully, and be possible to bring disaster to the market towns A Wang and downstream portion
Divide village, farmland safety.The continuous development of rural construction simultaneously, increases certain solid matter source, under Rainfall Condition
The possibility that excitation generates mud-stone flow disaster increases, and prestige is caused to the market towns A Wang and basin villager's lives and properties and highway, railway
The side of body.The heavy losses of group's dead group wound are easily caused after A Wang river debris flows, influence that the country is stable with solidarity, it is extremely serious to cause
Bad society and political impact, loss and influence not making up and estimate, while also constraining A Wang town head's phase can
Sustainable development needs, and prevention demand is urgent.Therefore, the prevention of A Wang rivers mud-rock flow is necessary and urgent.
In conclusion problem of the existing technology is：Debris flow gully without prevention system, rock glacier outburst after easily cause group
The heavy losses of dead group's wound, the country is stable with solidarity for influence, causes extremely serious bad society and political impact, loss and shadow
Sound can not make up and estimate, while also constrain A Wang town head's phase sustainable development needs, and prevention demand is urgent.
Invention content
In view of the problems of the existing technology, the utility model provides a kind of debris flow device.
The utility model is realized in this way a kind of debris flow device, the debris flow device, which is provided with, to be built
Several blocking dams being located on trunk debris flow gully；
Each basin of trunk debris flow gully is formed with branch debris flow gully, and being built on the branch debris flow gully has check dam
Dam；
Integration has several drainage grooves on the blocking dam dam body；
The blocking dam downstream river course closely trraning pole.
Further, the check dam crest elevation is 1764m, overall length 22m, total high 6m, clear height 4m；Downstream check dam crest elevation
For 1774m, overall length 16.8m, total high 6m, clear height 4m；Most downstream check dam crest elevation is 1788m, overall length 9m, total high 6m, clear height
4m。
Further, the blocking dam height of dam is determined as 10.5~15m.According to debris flow feature and build the main use on dam
On the way, purpose, difficulty of construction, dam body form, building materials and combination are made an on-the-spot survey on the spot, debris flow characteristic, solid rickle divide
Cloth, landslide position, landform geologic condition synthesis determine that blocking dam, check dam dam are mainly laid in debris flow formation region.
In conjunction with A Wang rivers debris flow gully and the gulfs Huang Jia debris flow gully (N1 debris flow gullies and N2 debris flow gullies) ditch bed and now
There are topography and geomorphology and material resource distribution situation, 6 blocking dams is built in the raceway groove of A Wang rivers debris flow formation region, in the gulfs Huang Jia
Debris flow gully builds 4 blocking dams, and target is to reinforce upstream mud-rock flow solid loose material of blocking, and raises tap drain erosion basis,
Broadening, the increase cross-section of river, abatement mud-rock flow, flood hydrodynamic condition, while existing ditch bed deposit is consolidated, to weaken mudstone
Flow the influence and harm to downstream.For more dam mud-rock flow material resource of blocking, its generation is made to back-silt, enhances dam foundation stability, in addition to
Remaining blocking dam downstream of L6 is respectively provided with auxiliary dam.Wherein because the rock around L6 blocking dams dam is all hard apoplexy ashing rock and not
There is country road to pass through at a distance, it is contemplated that being not provided with auxiliary dam.
3 check dam dams are built at Zhigou near the village of enclave to flow into mudstone to reinforce the stabilization of loose material in raceway groove
Row debris retaining delay and the steady slope of shore protection, the solid matter of the greater particle size in mud-rock flow is blocked in upstream, the water of mud-rock flow is reduced
Dynamic condition reduces mud-rock flow fluid density, adjusts and lets out peak amount and solid matter total amount under mud-rock flow, rises to weaken to mud-rock flow and make
With.It can prevent in this way in ditch after the continuous erosion of substance, coombe the more becomes the more steep and influences the safety by the highway on ditch head, and
And can reduce let out under substance in ditch after formed new mud-rock flow material resource and protect the facilities such as enclave villager and residential house safety.
This programme blocking dam height of dam is determined as 10.5~15m, and check dam dam height of dam is determined as 6m.The tool of blocking dam and check dam dam
Body deployment scenarios refer to floor plan.
Further, the blocking dam uses trapezoidal dam body.
Wasteway overcurrent depth should not be too large, and is advisable with wide, shallow, is lowered as far as possible to the erosion damage ability under dam.This
Secondary design wasteway is trapezoidal cross-section size, and side bank slope slope ratio is 1:1, calculation formula is as follows：
Qc=(1.77B+1.42H) H3/2
In formula：Qc --- wasteway by debris flow and landslips, m3/s；
The bottom width of B --- wasteway, m；
H --- wasteway overcurrent depth, m.
The utility model coordinates construction using blocking dam, check dam dam on trunk, branch debris flow gully, reinforces upstream of blocking
Mud-rock flow solid loose material raises tap drain erosion basis, broadening, the increase cross-section of river, abatement mud-rock flow, flood hydrodynamic force item
Part, while existing ditch bed deposit is consolidated, to weaken influence and harm of the mud-rock flow to downstream.For more dam mud-rock flow object of blocking
Source makes its generation back-silt, and enhances dam foundation stability, and great development is brought for politics, the people's livelihood.
Description of the drawings
Fig. 1 is debris flow device blocking dam, the check dam dam distribution schematic diagram that the utility model embodiment provides；
Fig. 2 is blocking dam position view in the debris flow device river of the utility model embodiment offer；
Fig. 3 is the structural schematic diagram for the debris flow device drainage groove that the utility model embodiment provides；
Fig. 4 is the position view of debris flow device trraning pole and blocking dam that the utility model embodiment provides；
In figure：1, trunk debris flow gully；2, blocking dam；3, branch debris flow gully；4, check dam dam；5, river；6, drainage groove；
7, trraning pole.
Specific implementation mode
For that can further appreciate that the invention, features and effects of the utility model, the following examples are hereby given, and coordinates
Detailed description are as follows for attached drawing.
The structure of the utility model is explained in detail below in conjunction with the accompanying drawings.
As Figure 1-Figure 4, the debris flow device that the utility model embodiment provides is provided with construction in trunk mud
Several blocking dams 2 on rock glacier ditch 1；
1 each basin of the trunk debris flow gully is formed with branch debris flow gully 3, and being built on the branch debris flow gully 3 has
Check dam dam 4；
Integration has several drainage grooves 6 on 2 dam body of the blocking dam；
2 downstream river course 5 of the blocking dam closely trraning pole 7.
As the preferred embodiment of the utility model, 4 crest level of check dam dam is 1764m, overall length 22m, total high 6m, only
High 4m；Check dam dam 4 crest level in downstream is 1774m, overall length 16.8m, total high 6m, clear height 4m；Check dam dam 4 crest level in most downstream is
1788m, overall length 9m, total high 6m, clear height 4m.
As the preferred embodiment of the utility model, 2 height of dam of the blocking dam is determined as 10.5~15m.
As the preferred embodiment of the utility model, the blocking dam 2 uses trapezoidal dam body.
The debris flow device of the utility model is provided with several blocking dams 2 built on trunk debris flow gully 1, mesh
Mark is to reinforce upstream mud-rock flow solid loose material of blocking, and raises tap drain erosion basis, and broadening, the increase cross-section of river cuts down mud
Rock glacier, flood hydrodynamic condition, while existing ditch bed deposit is consolidated, to weaken influence and harm of the mud-rock flow to downstream.For
More dam mud-rock flow material resource of blocking, makes its generation back-silt, and enhances dam foundation stability；Being built on branch debris flow gully 3 has check dam dam 4
To reinforce the stabilization of loose material in raceway groove, debris retaining delay and the steady slope of shore protection are carried out to mud-rock flow, by the larger grain in mud-rock flow
The solid matter of diameter is blocked in upstream, and the hydrodynamic condition of mud-rock flow is reduced, and reduces mud-rock flow fluid density, is adjusted under mud-rock flow
Peak amount and solid matter total amount are let out, weakening effect is risen to mud-rock flow.It can prevent in this way in ditch after the continuous erosion of substance, coombe is got over
Become steeper and influence the safety by the highway on ditch head, and can reduce let out under substance in ditch after form new mud-rock flow object
Source and the safety for protecting the facilities such as enclave villager and residential house.
Integration has several drainage grooves 6 on 2 dam body of blocking dam；2 downstream river course 5 of blocking dam closely trraning pole 7, it is therefore an objective to steady
Gu let out under ditch bed solid loose material, prevent raceway groove continue incision, slow down ditch bed longitudinal slope suitably and reduce the hydrodynamic condition of mud-rock flow,
Reduce mud-rock flow fluid density, adjust and let out peak amount and solid matter total amount under mud-rock flow.
The improvement of the towns A Wang market town mud-rock flow can delay to break out frequency and scale with controlling mud rock flow, improve in region
Ecological environment ensures the safety of the flowing area of mud flow and accumulation area A Wang market town residents and infrastructure etc.；Eliminate the heart of resident
Hidden danger is managed, production, the living environment of a safety are created for place.The improvement of the towns A Wang market town mud-rock flow, be beneficial to society and
The development of local economy has good social benefit.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is every according to the technical essence of the utility model it is made to the above embodiment it is any it is simple modification, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (4)
1. a kind of debris flow device, which is characterized in that the debris flow device is provided with construction in trunk mud-rock flow
Several blocking dams on ditch；
Each basin of trunk debris flow gully is formed with branch debris flow gully, and being built on the branch debris flow gully has check dam dam；
Integration has several drainage grooves on the blocking dam dam body；
The blocking dam downstream river course closely trraning pole.
2. debris flow device as described in claim 1, which is characterized in that the check dam crest elevation is 1764m, overall length
22m, total high 6m, clear height 4m；Downstream check dam crest elevation is 1774m, overall length 16.8m, total high 6m, clear height 4m；Most downstream check dam
Crest elevation is 1788m, overall length 9m, total high 6m, clear height 4m.
3. debris flow device as described in claim 1, which is characterized in that the blocking dam height of dam is determined as 10.5~
15m。
4. debris flow device as described in claim 1, which is characterized in that the blocking dam uses trapezoidal dam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820033873.6U CN208039180U (en) | 2018-01-09 | 2018-01-09 | A kind of debris flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820033873.6U CN208039180U (en) | 2018-01-09 | 2018-01-09 | A kind of debris flow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208039180U true CN208039180U (en) | 2018-11-02 |
Family
ID=63956798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820033873.6U Expired - Fee Related CN208039180U (en) | 2018-01-09 | 2018-01-09 | A kind of debris flow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208039180U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111639444A (en) * | 2020-06-19 | 2020-09-08 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for measuring and calculating sand blocking rate of debris flow blocking dam and application |
| CN111639445A (en) * | 2020-06-19 | 2020-09-08 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for measuring and calculating dangerousness of silt-returning accumulation body in front of debris flow dam in removal of blocking dam and application |
| CN111764352A (en) * | 2020-07-14 | 2020-10-13 | 嘉兴金喜莱科技有限公司 | Dissipation structure for preventing and treating debris flow in bridge engineering and design method |
| TWI766820B (en) * | 2021-11-12 | 2022-06-01 | 國立高雄科技大學 | Earth-rock flow remediation structure of Yexi |
-
2018
- 2018-01-09 CN CN201820033873.6U patent/CN208039180U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111639444A (en) * | 2020-06-19 | 2020-09-08 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for measuring and calculating sand blocking rate of debris flow blocking dam and application |
| CN111639445A (en) * | 2020-06-19 | 2020-09-08 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for measuring and calculating dangerousness of silt-returning accumulation body in front of debris flow dam in removal of blocking dam and application |
| CN111639445B (en) * | 2020-06-19 | 2023-02-28 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for measuring and calculating dangerousness of silt-returning accumulation body in front of debris flow dam in removal of retaining dam and application |
| CN111639444B (en) * | 2020-06-19 | 2023-02-28 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for measuring and calculating sand blocking rate of debris flow blocking dam and application |
| CN111764352A (en) * | 2020-07-14 | 2020-10-13 | 嘉兴金喜莱科技有限公司 | Dissipation structure for preventing and treating debris flow in bridge engineering and design method |
| CN111764352B (en) * | 2020-07-14 | 2021-12-07 | 嘉兴市环泰工程技术有限公司 | Dissipation structure for preventing and treating debris flow in bridge engineering and design method |
| TWI766820B (en) * | 2021-11-12 | 2022-06-01 | 國立高雄科技大學 | Earth-rock flow remediation structure of Yexi |
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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: 20181102 Termination date: 20200109 |