CN206693187U - A kind of spillway structure - Google Patents
A kind of spillway structure Download PDFInfo
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- CN206693187U CN206693187U CN201720428215.2U CN201720428215U CN206693187U CN 206693187 U CN206693187 U CN 206693187U CN 201720428215 U CN201720428215 U CN 201720428215U CN 206693187 U CN206693187 U CN 206693187U
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Abstract
The utility model discloses a kind of spillway structure, the Drainage Section being made up of bottom plate and abutment wall including interconnection, control section, let out groove section and tailwater channel, the control section includes two side walls, bottom plate and the mill weir excessively located at bottom plate top, the mill weir of crossing is to control labyrinth weir without lock, described let out equidistantly is provided with drainpipe on trough rim wall wall, it is described let out trough rim wall wall after be provided with longitudinal drainage ditch, concrete cushion is sequentially provided with the chute bottom slab, block stone bed course, the chute bottom slab longitudinal slope face uses 8 grades of ledge structure patterns, the chute bottom slab the 6th, 7, pier and end sill in the power that disappears are equipped with 8 grades of steps.The utility model crosses mill weir using labyrinth weir as flood-relief channel control section, lets out groove section and is arranged as ladder energy-dissipating structure, in structure securely and reliably, easy for construction, low engineering cost, discharge capacity is strong, and the abundant energy dissipating of energy, so that being incorporated to water flow stationary during natural river course, smooth, reduce and riverbed is washed away.
Description
Technical field
Hydraulic and Hydro-Power Engineering technical field is the utility model is related to, especially a kind of spillway structure.
Background technology
Spillway is the flood protection device of the water construction thing such as reservoir, mainly leading the flood that can not accommodate of planning storage capacity off
Water, build in the side of dam, when water level exceedes margin of safety in reservoir, water just downstream flows out from spillway, prevents water more
Dam is destroyed, the current in natural river course more belong to unhurried current, after the discharge constructions such as dam, weir have been built at its upstream, under let out
Flow rate of water flow is larger, and water impact energy is big, there is larger destructive power to underwater bed, the design and connection and reasonable arrangement of spillway with
It is no not only to directly influence the safety of reservoir, and it is related to whole construction costs, therefore, spillway structure reasonable in design,
And effective engineering measure is taken, the linking and energy dissipating of downstream current are controlled, the degree of safety on reservoir periphery can be effectively improved, is reduced
Danger coefficient.
The structure of existing spillway is more unreasonable, and the big vast efficiency that causes to overflow is more low, there is certain potential safety hazard,
In addition, the dissipating functions of existing spillway are also more general so that downstream local scour is more serious, and deposit is more, tail
Ripples are dynamic and atomization is all bigger.
The content of the invention
In order to solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of unique, construction simple in construction
Convenient, low engineering cost and energy fully energy dissipating, spillway structure safe and reliable to operation.
In order to realize above-mentioned technical purpose, the technical solution of the utility model is：
A kind of spillway structure, including the Drainage Section being made up of bottom plate and abutment wall of interconnection, control section, let out groove section and
Tailwater channel, the Drainage Section are tapered inlet, and the control section is connected to the downstream of Drainage Section, and the groove section of letting out is connected to
The downstream of control section, the tailwater channel are connected to the downstream for letting out groove section, and the control section includes two side walls, bottom plate and the bottom of located at
Mill weir is crossed on plate top, and the mill weir of crossing is to control labyrinth weir, the Drainage Section underrun slope and control section bottom plate without lock
It is connected, the slope uses rectangular slab of stone revetment, and the rectangular slab of stone lower surface is provided with geotextiles loaded filter, and the groove section of letting out includes both sides
The chute bottom slab between trough rim wall and two abutment walls is let out, described let out equidistantly is provided with drainpipe on trough rim wall wall, described to let out trough rim wall wall
Longitudinal drainage ditch is provided with afterwards, and concrete cushion, block stone bed course, the chute bottom slab longitudinal slope face are sequentially provided with the chute bottom slab
Using 8 grades of ledge structure patterns, pier and end sill in the power that disappears, the tail water are equipped with described the 6th, 7,8 grade of step of chute bottom slab
Qu Qu bottom surfaces use galvanized wire gabion river bottom protection or placed rockfill river bottom protection, and non-woven fabric back is laid under the galvanized wire gabion and placed rockfill
Filter.
Further, the abutment wall is armored concrete cantilever retaining wall, and the bottom plate is cast in situs armored concrete
Structure.
Further, the ramp slope is 1:3.
Further, the labyrinth weir is the trapezoidal labyrinth weir of symmetrical thin-walled.
Further, labyrinth weir palace number is 6.
Further, the horizontal cross-section of pier is ellipse in the power of disappearing, and the major axis and water (flow) direction of elliptic cross-section
It is parallel.
Further, the chute bottom slab and chute bottom slab, chute bottom slab and let out and be provided with movement joint between trough rim wall, it is described
Ethylene closed cell cystosepiment, rubber water-proof, asphalt emulsion are sequentially packed with movement joint from the bottom to top.
Further, the rubber water-proof is 651 rubber strips.
Further, the thickness of the asphalt emulsion is 3mm.
Further, the groove section of letting out is disposed with ultrasonic wave water flow speed measurement instrument.
Using above-mentioned technical scheme, the beneficial effects of the utility model are：Using labyrinth weir as flood-relief channel control section
Cross mill weir, let out groove section and be arranged as ladder energy-dissipating structure, 8 grades of steps are set, wherein the 6th, 7,8 grade of step is not only set in exit
End sill is put, and pier in the power that disappears is provided among step, safe and reliable in structure, discharge capacity is strong, and the abundant energy dissipating of energy, makes
It is water flow stationary when must be incorporated to natural river course, smooth, reduce and riverbed is washed away.
Brief description of the drawings
The utility model is further elaborated with reference to the accompanying drawings and detailed description：
Fig. 1 is the utility model horizontal layout schematic diagram；
Fig. 2 is the utility model labyrinth weir aerial drainage schematic diagram；
Fig. 3 is that the utility model lets out groove section schematic cross section；
Fig. 4 is that the utility model lets out groove section vertical section schematic diagram.
Embodiment
As shown in Fig. 1 to one of 4, the Drainage Section 3 that bottom plate 1 and abutment wall 2 is made up of of the utility model including interconnection,
Control section 4, groove section 5 and tailwater channel 6 are let out, the abutment wall 2 is armored concrete cantilever retaining wall, and the bottom plate 1 is reinforced concrete
Soil structure.Spillway each several part concrete structure is cast in situs, and concrete is respectively provided with concrete edge foundation of wall and bottom
Bed course and block stone bed course.
Drainage Section 3 described in the utility model is tapered inlet, water inlet is shaped to tubaeform, puts down drainage
It is suitable, reduce loss.
The control section 4 is connected to the downstream of Drainage Section 3, the downstream let out groove section 5 and be connected to control section 4, the tail
Water channel 6 is connected to the downstream for letting out groove section 5, and the control section 4 includes bottom plate 401, two side walls 402 and the mistake located at bottom plate top
Mill weir 403, the mill weir 403 of crossing is to control labyrinth weir without lock, and the labyrinth weir is the trapezoidal labyrinth weir of symmetrical thin-walled, the labyrinth
Weir palace number is 6.
The utility model crosses mill weir 403 and uses labyrinth weir structure type, and it is safe and reliable in structure, and discharge capacity
By force, the significant effect in terms of involuntary resettlement compensation investment is reduced.The labyrinth weir weir crest axis is in broken line type, is formed between two broken lines
One palace, each palace is respectively formed a positive side weir 405 of weir 404 and two, in the case where not increasing river valley width shared by flood-relief channel,
The discharge capacity of labyrinth weir is several times as much as straight line weir, is very beneficial for work arrangement, either reconstruction or newly-built engineering, in phase
It is more more economical than other weir-type with labyrinth weir under same use condition, and be easy to repair and manage.
The underrun slope 7 of Drainage Section 3 is connected with control section bottom plate 402, and oblique 7 gradient is 1:3, the slope
7 use rectangular slab of stone revetment, and the rectangular slab of stone lower surface is provided with geotextiles loaded filter.
The groove section 5 of letting out includes the chute bottom slab 501 let out between the abutment wall of trough rim wall 502 and two of both sides, described to let out trough rim wall
Equidistant on 502 walls to be provided with drainpipe 8, described let out is provided with longitudinal drainage ditch 9 after trough rim wall wall, under the chute bottom slab 501 according to
Sequence is provided with concrete cushion 10, block stone bed course 11.When current process lets out groove section, because carrying the bad fluid behaviours such as turbulent flow, vortex,
Water impact lets out trough rim wall, and the drainpipe set on abutment wall can effectively discharge impact energy, and after water is discharged into lets out trough rim wall
In gutter.
To lift the energy dissipating ability of spillway, the utility model lets out groove section and is arranged as ladder energy-dissipating structure, described to let out bottom land
The longitudinal slope face of plate 501 uses 8 grades of ledge structure patterns, and described the 6th, 7,8 grade of step of chute bottom slab not only sets end sill in exit
14, and it is provided with pier 13 in the power that disappears among step.The horizontal cross-section of pier 13 is ellipse in the power of disappearing, and ellipse is cut
The major axis in face is parallel with water (flow) direction.Pier and end sill can effectively reduce water velocity in the power that disappears, for disappearing for monitoring spillway in real time
Energy ability, the groove section of letting out are disposed with ultrasonic wave water flow speed measurement instrument.
Further, the chute bottom slab and chute bottom slab, chute bottom slab and let out and be provided with movement joint 12, institute between trough rim wall
State and be sequentially packed with ethylene closed cell cystosepiment, rubber water-proof, asphalt emulsion in movement joint from the bottom to top, the rubber water-proof is
651 rubber strips, the thickness of the asphalt emulsion is 3mm.
The utility model tailwater channel end is incorporated to natural river course, and to prevent from washing away, the tailwater channel canal bottom surface uses galvanized wire
Gabion river bottom protection or placed rockfill river bottom protection, non-woven fabric back filter is laid under the galvanized wire gabion and placed rockfill.
Described above is embodiment of the present utility model, for the ordinary skill in the art, according to this practicality
New teaching, it is all according to present utility model application the scope of the claims institute in the case where not departing from principle of the present utility model and spirit
Equivalent change, modification, replacement and the modification made, should all belong to covering scope of the present utility model.
Claims (10)
1. a kind of spillway structure, including the Drainage Section being made up of bottom plate and abutment wall of interconnection, control section, let out groove section and tail
Water channel, the Drainage Section are tapered inlet, and the control section is connected to the downstream of Drainage Section, and the groove section of letting out is connected to control
The downstream of section processed, the tailwater channel are connected to the downstream for letting out groove section, it is characterised in that：The control section includes two side walls, bottom
Plate and located at bottom plate top cross mill weir, it is described cross mill weir be without lock control labyrinth weir, the Drainage Section underrun slope with
Control section bottom plate is connected, and the slope uses rectangular slab of stone revetment, and the rectangular slab of stone lower surface is provided with geotextiles loaded filter, described to let out groove section
The chute bottom slab let out between trough rim wall and two abutment walls including both sides, described let out equidistantly is provided with drainpipe on trough rim wall wall, described
Longitudinal drainage ditch is provided with after letting out trough rim wall wall, concrete cushion, block stone bed course are sequentially provided with the chute bottom slab, it is described to let out groove
Bottom plate longitudinal slope face uses 8 grades of ledge structure patterns, and pier and tail in the power that disappears are equipped with described the 6th, 7,8 grade of step of chute bottom slab
Bank, the tailwater channel canal bottom surface use galvanized wire gabion river bottom protection or placed rockfill river bottom protection, the galvanized wire gabion and placed rockfill lower berth
If non-woven fabrics anti-filter.
2. spillway structure according to claim 1, it is characterised in that：The abutment wall is armored concrete cantilever earth-retaining
Wall, the bottom plate are cast in situs reinforced concrete structure.
3. spillway structure according to claim 1, it is characterised in that：The gradient on the slope is 1:3.
4. spillway structure according to claim 1, it is characterised in that：The labyrinth weir is the trapezoidal labyrinth of symmetrical thin-walled
Weir.
5. spillway structure according to claim 1, it is characterised in that：The palace number of the labyrinth weir is 6.
6. spillway structure according to claim 1, it is characterised in that：The horizontal cross-section of pier is ellipse in the power of disappearing
Shape, and the major axis of elliptic cross-section is parallel with water (flow) direction.
7. spillway structure according to claim 1, it is characterised in that：The chute bottom slab and chute bottom slab, let out bottom land
Plate and let out and be provided with movement joint between trough rim wall, ethylene closed cell cystosepiment, rubber are sequentially packed with from the bottom to top in the movement joint
Glue sealing, asphalt emulsion.
8. spillway structure according to claim 1, it is characterised in that：The rubber water-proof is 651 rubber strips.
9. spillway structure according to claim 1, it is characterised in that：The thickness of the asphalt emulsion is 3mm.
10. spillway structure according to claim 1, it is characterised in that：The groove section of letting out is disposed with ultrasonic wave water flow velocity
Spend measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720428215.2U CN206693187U (en) | 2017-04-23 | 2017-04-23 | A kind of spillway structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720428215.2U CN206693187U (en) | 2017-04-23 | 2017-04-23 | A kind of spillway structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206693187U true CN206693187U (en) | 2017-12-01 |
Family
ID=60445788
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720428215.2U Active CN206693187U (en) | 2017-04-23 | 2017-04-23 | A kind of spillway structure |
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| CN (1) | CN206693187U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387861A (en) * | 2019-07-29 | 2019-10-29 | 中水北方勘测设计研究有限责任公司 | It is a kind of for the earth rock cofferdam remodeling method for leading over-level flood off of meeting an urgent need |
| CN112267440A (en) * | 2020-10-16 | 2021-01-26 | 西华大学 | Energy dissipation structure for flood discharge of hydropower station |
| CN115434289A (en) * | 2022-08-19 | 2022-12-06 | 中国海洋大学 | Overflow weir structure of spillway outlet of reservoir efficiency-enhancing and capacity-expanding project and construction method thereof |
| CN115928662A (en) * | 2022-12-22 | 2023-04-07 | 福建永福电力设计股份有限公司 | Energy dissipation drainage channel for broken line type power transmission line |
-
2017
- 2017-04-23 CN CN201720428215.2U patent/CN206693187U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387861A (en) * | 2019-07-29 | 2019-10-29 | 中水北方勘测设计研究有限责任公司 | It is a kind of for the earth rock cofferdam remodeling method for leading over-level flood off of meeting an urgent need |
| CN112267440A (en) * | 2020-10-16 | 2021-01-26 | 西华大学 | Energy dissipation structure for flood discharge of hydropower station |
| CN115434289A (en) * | 2022-08-19 | 2022-12-06 | 中国海洋大学 | Overflow weir structure of spillway outlet of reservoir efficiency-enhancing and capacity-expanding project and construction method thereof |
| CN115434289B (en) * | 2022-08-19 | 2023-12-12 | 中国海洋大学 | Overflow weir structure of spillway outlet of reservoir synergy expansion engineering and construction method thereof |
| CN115928662A (en) * | 2022-12-22 | 2023-04-07 | 福建永福电力设计股份有限公司 | Energy dissipation drainage channel for broken line type power transmission line |
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