CN205024646U - Prevent speed reduction water conservancy diversion structure of mud -rock flow bend superelevation - Google Patents
Prevent speed reduction water conservancy diversion structure of mud -rock flow bend superelevation Download PDFInfo
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- CN205024646U CN205024646U CN201520807434.2U CN201520807434U CN205024646U CN 205024646 U CN205024646 U CN 205024646U CN 201520807434 U CN201520807434 U CN 201520807434U CN 205024646 U CN205024646 U CN 205024646U
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- water conservancy
- conservancy diversion
- energy dissipation
- bend
- flow
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Abstract
The utility model discloses a prevent speed reduction water conservancy diversion structure of mud -rock flow bend superelevation. This speed reduction water conservancy diversion structure is located in the mud -rock flow row of upper reaches straight way and low reaches bend leads the channel, this structure include at least one locate the straight way bend meet a low reaches, the bend central line outside the water conservancy diversion notched sill and locate the meet speed reduction obstacle at an upper reaches of straight way bend, the water conservancy diversion notched sill one end and the channel outside meet, and the extended length direction place straight line of water conservancy diversion notched sill is tangent with the bend central line, the speed reduction obstacle be located straight way central line one side, and with water conservancy diversion notched sill homonymy, the speed reduction obstacle for at least one row according to the equidistant energy dissipation mound of evenly arranging. Compared with the prior art, the utility model discloses can effectively reduce the bend overflow of mud -rock flow in row leads the channel, reduce mud -rock flow row and lead the threat that the bend overflow caused, but and the simple structure, easily the construction wide application in rows such as the natural channel that has the bend or drainage groove lead the channel.
Description
Technical field
The utility model relates to a kind of debris flow technology, particularly relates to a kind of deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis be made up of water conservancy diversion notched sill and energy dissipation pier.
Background technology
Mud-stone flow disaster is one of main Types of China's geological disaster.Along with the development of mountain area economy, the in-depth of development of the West Regions, mud-rock flow Control Engineering demand is more and more vigorous.The thought that debris flow mainly adopts " steady, block, arrange ", the row that also should strengthen mud-rock flow in the area that mud-rock flow thing source is more leads.
Debris flow drainage is led and can be relied on natural raceway groove; but more mainly rely on lower reaches and build drainage groove; mud-rock flow is made to pass through protection zone smoothly; but due to the restriction of the many factors such as landform, geology; no matter be natural raceway groove or drainage groove, row leads channel and straight line all cannot be kept in the plane to extend, and the place becoming bend from straight way at channel just easily occurs the overflow of mud-rock flow bend; mud-rock flow can the row of going out lead channel, littoral object of protection is caused wash away, deposit, the destruction such as shock.Therefore, how to prevent debris flow drainage from leading bend overflow, make mud-rock flow significant to debris flow by guard plot smoothly.
Utility model content
The purpose of this utility model is exactly for the deficiencies in the prior art, a kind of simple structure is provided, be easy to construction, the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis having the natural raceway groove of bend or drainage groove can be widely used in, be made up of the energy dissipation pier be located in straight way and the water conservancy diversion notched sill be located in bend, first by energy dissipation pier, mud-rock flow is slowed down, then by water conservancy diversion notched sill, water conservancy diversion is carried out to mud-rock flow, effectively can reduce mud-rock flow and arrange the bend overflow led in channel, mud-rock flow is led in channel row passed through by smooth and easy during straight way change bend, minimizing debris flow drainage leads the threat that bend overflow causes.
For achieving the above object, the technical solution of the utility model is:
The utility model proposes a kind of deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis, described deceleration flow-guiding structure is located at debris flow drainage and is led in channel, and described debris flow drainage is led channel and comprised the straight way being positioned at upstream and the bend being positioned at downstream; Described deceleration flow-guiding structure comprises at least one water conservancy diversion notched sill being located at outside straight way bend joint (i.e. curvature change place) downstream, bend center line, and (namely the quantity of water conservancy diversion notched sill is at least one, water conservancy diversion notched sill is located at outside downstream, straight way bend joint, bend center line), and be located at the deceleration obstacle of upstream, straight way bend joint; Water conservancy diversion notched sill one end connects with outside channel, the length bearing of trend place straight line of water conservancy diversion notched sill and bend center line tangent; Described deceleration obstacle be positioned at straight way center line side and with water conservancy diversion notched sill homonymy, described deceleration obstacle is that at least one row is by the energy dissipation pier be equidistantly evenly arranged (i.e. some energy dissipation pier composition deceleration obstacles, these energy dissipation pier are arranged at least one row, often arrange energy dissipation pier by being equidistantly evenly arranged).Energy dissipation pier is single row or multiple rows, and water conservancy diversion notched sill is one or more, all determines according to bend length.
The minimum distance L of described deceleration distance of obstacle straight way bend joint
0for 1-2 times of channel width D.Energy dissipation pier can be the rectangular structure of concrete material, the 1/10-1/20 that energy dissipation pier cross-section lengths a (length that namely on cross section, edge flows to perpendicular to mud-rock flow) is channel width D, the 0.8-1 that energy dissipation pier cross-sectional width b (namely on cross section along the length that mud-rock flow flows to) is energy dissipation pier cross-section lengths a doubly, spacing d between the energy dissipation pier being positioned at same row be the 1-1.5 of energy dissipation pier cross-section lengths a doubly, energy dissipation pier effective height h (namely energy dissipation pier exposes the height arranged and lead channel surface) is more than or equal to 0.5m.When deceleration obstacle is for being greater than row's energy dissipation pier, the energy dissipation pier of adjacent two rows is staggered, and the trestle column L of adjacent two row's energy dissipation pier is more than or equal to 3 times of energy dissipation pier cross-sectional width b, is less than channel width D simultaneously.
Water conservancy diversion notched sill width b' is more than or equal to 0.5m, is less than or equal to 1.2m simultaneously; Water conservancy diversion notched sill length a' be more than or equal to channel width D 1/2, the longlyest to connect with bend center line, when namely water conservancy diversion notched sill is the longest, water conservancy diversion notched sill one end connects with outside channel, the other end connects with bend center line; Water conservancy diversion notched sill effective height h'(and water conservancy diversion notched sill expose the height that row leads channel surface) be more than or equal to 0.5m.Water conservancy diversion notched sill one end near straight way bend joint connects with outside the channel of straight way bend joint.When the quantity of water conservancy diversion notched sill is greater than one, with bend center for the center of circle, the interval angles θ of adjacent two water conservancy diversion notched sills is 5 °-20 °.
Water conservancy diversion notched sill and energy dissipation pier are all fixed on described debris flow drainage by certain buried depth and lead in channel, and the buried depth of energy dissipation pier is more than or equal to 2 times of energy dissipation pier effective height h, and the buried depth of water conservancy diversion notched sill is more than or equal to 2 times of water conservancy diversion notched sill effective height h'.It is natural raceway groove or drainage groove that described debris flow drainage leads channel; When to lead channel be drainage groove to described debris flow drainage, the effective height h of energy dissipation pier and the effective height h' of water conservancy diversion notched sill is all less than 1/4 of drainage groove height.
Compared with prior art, the beneficial effects of the utility model are: by leading channel transformation to rows such as natural raceway groove or drainage grooves, arranging the deceleration obstacle that is made up of at least one row's energy dissipation pier of upstream straight way center line arranged outside of leading channel, downstream at least one water conservancy diversion notched sill of bend center line arranged outside of channel is led row, when mud-rock flow enters bend from straight way, under the effect of deceleration obstacle, first make outer course mud-rock flow appropriateness slow down, then in bend, progressively the flow direction is changed by water conservancy diversion notched sill, pass through bend smoothly, the structure of the present utility model both row of ensure that leads the overcurrent flow in channel, effectively can reduce again mud-rock flow and arrange the bend overflow led in channel, and structure is simple, easy construction.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present utility model.
Fig. 2 is the perspective view that row's energy dissipation pier forms deceleration obstacle.
Fig. 3 is the perspective view of water conservancy diversion notched sill.
Fig. 4 is perspective view of the present utility model.
Fig. 5 is when water conservancy diversion notched sill one end connects with outside channel, the other end connects with bend center line, perspective view of the present utility model.
Number in the figure is as follows:
1 energy dissipation pier 2 water conservancy diversion notched sill
3 straight way bend joint 4 bend center lines
Outside 5 straight way center line 6 channels
A energy dissipation pier cross-section lengths b energy dissipation pier cross-sectional width
D channel width d is positioned at the spacing between the energy dissipation pier of same row
The trestle column of the adjacent two row's energy dissipation pier of h energy dissipation pier effective height L
L
0the minimum distance of deceleration distance of obstacle straight way bend joint
A' water conservancy diversion notched sill length b' water conservancy diversion notched sill width
The interval angles of adjacent two the water conservancy diversion notched sills of h' water conservancy diversion notched sill effective height θ
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is further described.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3, Figure 4.Be the situation of drainage groove for water conservancy diversion channel, the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis is set.Described deceleration flow-guiding structure is located in drainage groove, the wide 5m of this drainage groove (namely channel width D is 5m), high 3m, comprises the straight way being positioned at upstream and the bend being positioned at downstream, bend 90 degree.Described deceleration flow-guiding structure comprises three water conservancy diversion notched sills 2 be located at outside downstream, straight way bend joint 3, bend center line 4, and is located at the deceleration obstacle of upstream, straight way bend joint 3.Water conservancy diversion notched sill 2 and energy dissipation pier 1 are all fixed in drainage groove, and the buried depth of energy dissipation pier 1 and the buried depth of water conservancy diversion notched sill 2 are 1.2m.
Water conservancy diversion notched sill 2 one end 6 to connect with outside channel, the length bearing of trend place straight line of water conservancy diversion notched sill 2 and bend center line 4 tangent; Water conservancy diversion notched sill 2 is arranged from straight way bend joint 3, and near 6 connecting outside water conservancy diversion notched sill 2 one end of straight way bend joint 3 and the channel of straight way bend joint 3, with bend center for the center of circle, the interval angles θ of adjacent two water conservancy diversion notched sills 2 is 15 °.Water conservancy diversion notched sill 2 width b' is 0.5m, and water conservancy diversion notched sill 2 length a' is 2.5m, and water conservancy diversion notched sill 2 effective height h' is 0.5m.
Described deceleration obstacle is positioned at straight way center line 5 side, and with water conservancy diversion notched sill 2 homonymy.Described deceleration obstacle be five rows by the energy dissipation pier 1 be equidistantly evenly arranged, adjacent two row energy dissipation pier 1 be staggered, adjacent two row energy dissipation pier 1 trestle column L be 1.5m.The minimum distance L of described deceleration distance of obstacle straight way bend joint 3
0for 5m.Energy dissipation pier 1 is cuboid, and energy dissipation pier 1 cross-section lengths a is 0.5m, and energy dissipation pier 1 cross-sectional width b is 0.5m, and the spacing d between the energy dissipation pier 1 being positioned at same row is 0.5m, and energy dissipation pier 1 effective height h is 0.5m.
Embodiment two
As shown in Fig. 2, Fig. 3, Fig. 5.For the situation that water conservancy diversion channel is natural raceway groove, the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis is set.Described deceleration flow-guiding structure is located in natural raceway groove, the wide 8m of this natural raceway groove (namely channel width D is 8m), high 4m, comprises the straight way being positioned at upstream and the bend being positioned at downstream, bend 90 degree.Described deceleration flow-guiding structure comprises three water conservancy diversion notched sills 2 be located at outside downstream, straight way bend joint 3, bend center line 4, and is located at the deceleration obstacle of upstream, straight way bend joint 3.Water conservancy diversion notched sill 2 and energy dissipation pier 1 are all fixed in natural raceway groove, and the buried depth of energy dissipation pier 1 and the buried depth of water conservancy diversion notched sill 2 are 2m.
Water conservancy diversion notched sill 2 one end 6 to connect with outside channel, the other end connects with bend center line 4, the length bearing of trend place straight line of water conservancy diversion notched sill 2 and bend center line 4 tangent; Water conservancy diversion notched sill 2 is arranged from straight way bend joint 3, and near 6 connecting outside water conservancy diversion notched sill 2 one end of straight way bend joint 3 and the channel of straight way bend joint 3, with bend center for the center of circle, the interval angles θ of adjacent two water conservancy diversion notched sills 2 is 20 °.Water conservancy diversion notched sill 2 width b' is 1.2m, and water conservancy diversion notched sill 2 length a' is 4.5m, and water conservancy diversion notched sill 2 effective height h' is 1m.
Described deceleration obstacle is positioned at straight way center line 5 side, and with water conservancy diversion notched sill 2 homonymy.Described deceleration obstacle be five rows by the energy dissipation pier 1 be equidistantly evenly arranged, adjacent two row energy dissipation pier 1 be staggered, adjacent two row energy dissipation pier 1 trestle column L be 5m.The minimum distance L of described deceleration distance of obstacle straight way bend joint 3
0for 16m.Energy dissipation pier 1 is cuboid, and energy dissipation pier 1 cross-section lengths a is 0.4m, and energy dissipation pier 1 cross-sectional width b is 0.32m, and the spacing d between the energy dissipation pier 1 being positioned at same row is 0.6m, and energy dissipation pier 1 effective height h is 1m.
Claims (10)
1. one kind prevents the deceleration flow-guiding structure of mud-rock flow Blaps femaralis, described deceleration flow-guiding structure is located at debris flow drainage and is led in channel, described debris flow drainage is led channel and is comprised the straight way being positioned at upstream and the bend being positioned at downstream, it is characterized in that: described deceleration flow-guiding structure comprises the water conservancy diversion notched sill (2) that at least one is located at straight way bend joint (3) downstream, bend center line (4) outside, and is located at the deceleration obstacle of straight way bend joint (3) upstream; Water conservancy diversion notched sill (2) one end connects with (6) outside channel, and length bearing of trend place straight line and the bend center line (4) of water conservancy diversion notched sill (2) are tangent; Described deceleration obstacle be positioned at straight way center line (5) side and with water conservancy diversion notched sill (2) homonymy, described deceleration obstacle is that at least one row is by the energy dissipation pier be equidistantly evenly arranged (1).
2. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 1, is characterized in that: the minimum distance L of described deceleration distance of obstacle straight way bend joint (3)
0for 1-2 times of channel width D.
3. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 2, it is characterized in that: energy dissipation pier (1) is cuboid, energy dissipation pier (1) cross-section lengths a is the 1/10-1/20 of channel width D, energy dissipation pier (1) cross-sectional width b is 0.8-1 times of energy dissipation pier (1) cross-section lengths a, spacing d between the energy dissipation pier (1) being positioned at same row be the 1-1.5 of energy dissipation pier (1) cross-section lengths a doubly, energy dissipation pier (1) effective height h is more than or equal to 0.5m.
4. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 3, it is characterized in that: when deceleration obstacle is for being greater than one row's energy dissipation pier (1), the energy dissipation pier (1) of adjacent two rows is staggered, and the trestle column L of adjacent two rows' energy dissipation pier (1) is more than or equal to 3 times of energy dissipation pier (1) cross-sectional width b, is less than channel width D simultaneously.
5. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 1, is characterized in that: connect near (6) outside water conservancy diversion notched sill (2) one end of straight way bend joint (3) and the channel of straight way bend joint (3).
6. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 1, it is characterized in that: water conservancy diversion notched sill (2) width b' is more than or equal to 0.5m, is less than or equal to 1.2m simultaneously, water conservancy diversion notched sill (2) length a' is more than or equal to 1/2 of channel width D, and water conservancy diversion notched sill (2) effective height h' is more than or equal to 0.5m.
7. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 1, is characterized in that: water conservancy diversion notched sill (2) one end connects with (6) outside channel, the other end connects with bend center line (4).
8. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 1, it is characterized in that: when the quantity of water conservancy diversion notched sill (2) is greater than one, with bend center for the center of circle, the interval angles θ of adjacent two water conservancy diversion notched sills (2) is 5 °-20 °.
9. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 3 or 6, it is characterized in that: water conservancy diversion notched sill (2) and energy dissipation pier (1) are all fixed on described debris flow drainage and lead in channel, the buried depth of energy dissipation pier (1) is more than or equal to 2 times of energy dissipation pier (1) effective height h, and the buried depth of water conservancy diversion notched sill (2) is more than or equal to 2 times of water conservancy diversion notched sill (2) effective height h'.
10. the deceleration flow-guiding structure preventing mud-rock flow Blaps femaralis according to claim 1, is characterized in that: it is natural raceway groove or drainage groove that described debris flow drainage leads channel; When to lead channel be drainage groove to described debris flow drainage, the effective height h of energy dissipation pier (1) and the effective height h' of water conservancy diversion notched sill (2) is all less than 1/4 of drainage groove height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807434.2U CN205024646U (en) | 2015-10-16 | 2015-10-16 | Prevent speed reduction water conservancy diversion structure of mud -rock flow bend superelevation |
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| CN201520807434.2U CN205024646U (en) | 2015-10-16 | 2015-10-16 | Prevent speed reduction water conservancy diversion structure of mud -rock flow bend superelevation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735203A (en) * | 2016-05-04 | 2016-07-06 | 安徽理工大学 | Desilting canal |
| CN106192865A (en) * | 2016-07-19 | 2016-12-07 | 成都理工大学 | A kind of mud-rock flow Blaps femaralis computational methods and application thereof |
| CN106245573A (en) * | 2016-07-19 | 2016-12-21 | 成都理工大学 | A kind of viscous mud-flow Blaps femaralis computational methods and application |
| CN106381877A (en) * | 2016-11-30 | 2017-02-08 | 贵州大学 | Method for transferring dangerous rock body cut stone on high and steep slope and structure of method |
| CN106841573A (en) * | 2017-04-12 | 2017-06-13 | 中铁西北科学研究院有限公司 | A kind of debris flows simulation experimental rig and test method |
| CN109098154A (en) * | 2018-09-07 | 2018-12-28 | 新疆农业大学 | A kind of wedged bottom sill method for arranging and the guiding device of foundation |
| CN111254882A (en) * | 2020-03-09 | 2020-06-09 | 华北水利水电大学 | Hedging energy dissipation type debris flow diversion system |
| CN112982469A (en) * | 2021-02-25 | 2021-06-18 | 邵烨 | Concrete building pile foundation suitable for bend abrupt trough spillway |
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2015
- 2015-10-16 CN CN201520807434.2U patent/CN205024646U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735203A (en) * | 2016-05-04 | 2016-07-06 | 安徽理工大学 | Desilting canal |
| CN106192865A (en) * | 2016-07-19 | 2016-12-07 | 成都理工大学 | A kind of mud-rock flow Blaps femaralis computational methods and application thereof |
| CN106245573A (en) * | 2016-07-19 | 2016-12-21 | 成都理工大学 | A kind of viscous mud-flow Blaps femaralis computational methods and application |
| CN106192865B (en) * | 2016-07-19 | 2018-08-21 | 成都理工大学 | A kind of mud-rock flow Blaps femaralis computational methods and its application |
| CN106381877A (en) * | 2016-11-30 | 2017-02-08 | 贵州大学 | Method for transferring dangerous rock body cut stone on high and steep slope and structure of method |
| CN106381877B (en) * | 2016-11-30 | 2018-11-13 | 贵州大学 | Dangerous Rock Body cuts the method and its structure of quadrel transhipment on a kind of high escarpment |
| CN106841573A (en) * | 2017-04-12 | 2017-06-13 | 中铁西北科学研究院有限公司 | A kind of debris flows simulation experimental rig and test method |
| CN109098154A (en) * | 2018-09-07 | 2018-12-28 | 新疆农业大学 | A kind of wedged bottom sill method for arranging and the guiding device of foundation |
| CN111254882A (en) * | 2020-03-09 | 2020-06-09 | 华北水利水电大学 | Hedging energy dissipation type debris flow diversion system |
| CN111254882B (en) * | 2020-03-09 | 2021-07-30 | 华北水利水电大学 | Hedging energy dissipation type debris flow diversion system |
| CN112982469A (en) * | 2021-02-25 | 2021-06-18 | 邵烨 | Concrete building pile foundation suitable for bend abrupt trough spillway |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20171016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |