CN209114453U - A kind of fabricated structure for navigation through the gap flow condition - Google Patents
A kind of fabricated structure for navigation through the gap flow condition Download PDFInfo
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- CN209114453U CN209114453U CN201821494968.4U CN201821494968U CN209114453U CN 209114453 U CN209114453 U CN 209114453U CN 201821494968 U CN201821494968 U CN 201821494968U CN 209114453 U CN209114453 U CN 209114453U
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- waterwall
- navigation
- groynes
- flow condition
- elevation
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Abstract
The utility model discloses a kind of fabricated structures for navigation through the gap flow condition.Wherein waterwall by waterwall and extends out bottom exposed throughout type waterwall and forms, and groynes is made of three groynes of different length.The utility model has water flow distribution in flood discharge flow down velocity in adjusting, weaken the effect of entrance erea transverse flow speed and water flow angle, it destroys simultaneously and is formed by reflux in entrance erea because of river form, reaching improves entrance erea flow condition, guarantees the purpose of navigation safety.
Description
Technical field
The utility model belongs to navigation channel building field, in particular to a kind of combination for navigation through the gap flow condition
Formula structure.
Background technique
Outlet area of ship lock is the tie for connecting ship lock and river, is in lock approach outside water purification and hinge section approach channel
The transitional region of dynamic water.According to related research, navigation through the gap flow condition major influence factors include (1) by channel characteristics
Influence (2) is influenced (3) by the hinge method of operation to be influenced by approach channel form and project playout.The severe water flow stream of entrance erea
State predominantly flows back and oblique flow.Entrance erea flow condition decides the disengaging ship lock that can ship smooth and safe.Therefore improve
Entrance erea flow condition is the important technological problems created, in reorganization and expansion ship lock.
The improvement of entrance erea flow condition generally requires to build all kinds of assisting navigation buildings, studies more main packet at present
It includes diversion pier, guiding jetty, water proof dike and builds fourth ground sills.Dabu Rong Jiang hinge, when middle flood, power station is closed, and sluice gate is spacious to be let out,
With the increase of reservoir inflow, hinge upstream flow rate is gradually increased, and is influenced by hinge upper river form, left bank convex mouth is chosen
Stream effect is more obvious, and there are large range of reflux in entrance erea and linkage section navigation channel in addition, and ship is by unfavorable flow-shape
Influence, entrance erea navigation channel money cannot be entered when downlink adjust boat state and enter in course line, so that stem is hit ship lock upstream and lead
The danger of boat wall dike head, when maximum navigation discharge, ship can not be along design course line downlink, and uplink boat state is poor, and opposite bank is navigated
Only 0.72m/s when fast minimum, easily causes danger.To improve entrance erea flow condition, the measure that can be taken has very much, still
Every kind of Improving Measurements have its limitation.Such as the angle of trraning pole aperture is affected to entrance erea flow condition, angle
It spends greatly, diversion is excessive, and it is soaked strip occur for trraning pole side wall in approach channel；Diversion pier is being formed strongly on the inside of near sea
The bad fluidised form such as reflux, vortex；Water proof dike changes main flow direction, is unfavorable for navigating by water requirement under ship lock.Single engineering is arranged
Applying can only often solve the problems, such as specific a certain, and combined type engineering measure can more obtain better improvement in the application.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of guarantee navigation safeties, improve entrance erea
The fabricated structure for navigation through the gap flow condition of flow condition.
To achieve the above object, provided by the utility model a kind of for improving the combined type engineering of entrance erea flow condition
Measure, including extending out the built groynes of bottom exposed throughout type waterwall and the upstream Kou Men.Upstream waterwall extends institute by guide wall
The solid wall of formation and the bottom exposed throughout type waterwall composition within the scope of solid wall leading portion about 100m；The groynes is arranged in a left side
Bank, totally three.Partially be changed to extend out bottom exposed throughout type waterwall before waterwall as a result, on the one hand can increase entrance width with
Ship is increased in the waters of navigating by water of entrance erea, on the other hand disperses the concentration oblique flow near dike head.The built groynes in the upstream Kou Men
It can then destroy or weaken reflux size and intensity.
In some embodiments, the direction of waterwall axis is consistent with the main guide wall of ship lock.Extend out bottom exposed throughout type gear
The wide 4.80m of waterwall, is divided into 4.80m, and total length is about 80.00m；Exposed throughout type water blocking wall crest elevation is 96.95m, water-stop sheet top
Elevation 95.15m, bottom elevation are 87.15m.
In some embodiments, three groynes position lengths are respectively 34.5m, 51.3m and 36.97m, and crest elevation is equal
For 95.15m.
The utility model has the beneficial effects that improving entrance erea flow condition and guaranteeing the safe effect of ship's navigation.Due to
Waterwall is adjusted to non-aerial drainage area consistent with main guide wall direction, between effective use waterwall and sluice gate, increases mouth
Door area navigates region.Before waterwall part extend out bottom exposed throughout type waterwall solve entrance erea crossing current it is excessive and improve in flood
Flow-shape and the technical issues of the depth of water in water phase approach channel.Particular by bottom exposed throughout type waterwall, middle flood period is originally
The water flow more concentrated is dispersed, and reduce middle flood period chokes water value, reduces the mistake that mainstream is tiltedly worn entrance erea and generated
Big transverse flow speed, so that reaching improves navigation through the gap flow condition.In addition 3 groynes are built in entrance erea upstream, destroy by
In the recirculating zone that river left bank convex mouth and entrance erea static region are formed, and then further improve entrance erea flow condition.Reach
Improve entrance erea flow condition, guarantees the purpose of navigation safety.
Detailed description of the invention
Fig. 1 is the structural type schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram implemented.
Specific embodiment
Utility model is described in further detail with reference to the accompanying drawing.
As shown in Figs. 1-2, a kind of fabricated structure for navigation through the gap flow condition, including what is connect with guide wall
Waterwall 01 and the groynes 02 being arranged in left bank, wherein waterwall 01 by solid waterwall and extends out bottom exposed throughout type waterwall group
At.The wide 4.80m of transmission waterwall is divided into 4.80m, and total length is about 80.00m, and exposed throughout type water blocking wall crest elevation is 96.95m,
Water-stop sheet crest level 95.15m, bottom elevation are 87.15m.Three 02 position lengths of groynes be respectively 34.5m, 51.3m and
36.97m, crest elevation are 95.15m.Since waterwall 01 is adjusted to, effective use waterwall consistent with main guide wall direction
Non- aerial drainage area between 01 and sluice gate 13 increases entrance erea and navigates region.Part extends out bottom transmission before waterwall 01
Formula waterwall solves that entrance erea crossing current is excessive and flow-shape and the technical issues of the depth of water in flood period approach channel in improving.Tool
Body is by bottom exposed throughout type waterwall, and the water flow that middle flood period more concentrates originally is dispersed, and reduces middle flood period
Value is choked water, the excessive transverse flow speed that mainstream is tiltedly worn entrance erea and generated is reduced, so that reaching improves navigation through the gap water flow item
Part.In addition 3 groynes 02 are built in entrance erea upstream, destroy time due to river left bank convex mouth and the formation of entrance erea static region
Area is flowed, and then further improves entrance erea flow condition.Entrance erea flow condition obtains more significantly improving, flow condition base
This meets code requirement, ensure that navigation safety.
When implementation, navigation junction key construction includes ship lock 11, Power Plant 12, sluice gate 13 and barrage.It is existing
Ship lock is VI grade of ship lock, and Effective Dimentions of Lock: 80 × 8 × 1.5m (length × wide × water depth on sill, similarly hereinafter) reconstructs the effective ruler of ship lock
Degree is 190 × 23 × 4.8m.Hinge normal pool level is 93.15m, and it is 50 years that hinge, which normally uses standard of flood (design flood),
One meets, water level 99.19m, and corresponding flow is 25500m3/s；It is very 300 years one with standard of flood (check flood)
It meets, water level 103.13m, corresponding discharge 33600m3/s；Water retaining structure of the Dabu ship lock reconstruction project on the axis of dam be
A part of hinge water retaining structure, standard of flood are consistent with hinge water retaining structure.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, a variety of improvement can also be made, novel protection scope is belonged to.
Claims (4)
1. a kind of fabricated structure for navigation through the gap flow condition, which is characterized in that including waterwall and groynes；
The waterwall is by solid waterwall and extends out bottom exposed throughout type waterwall two parts and forms；
The groynes is made of three short groynes.
2. a kind of fabricated structure for navigation through the gap flow condition according to claim 1, which is characterized in that institute
The direction for the waterwall stated is consistent with the axis of ship lock guide wall, and the elevation of the waterwall is consistent with ship lock guide wall elevation,
Waterwall leading portion extends out bottom exposed throughout type waterwall bottom elevation and crest level and is lauched respectively with the chance flood of 2a mono- and the chance flood of 10a mono-
Position is quite.
3. a kind of fabricated structure for navigation through the gap flow condition according to claim 1, which is characterized in that institute
The groynes stated is 3, and elevation is consistent with water level under maximum navigation discharge.
4. a kind of fabricated structure for navigation through the gap flow condition according to claim 1,2 or 3, feature exist
In the bottom exposed throughout type waterwall that extends out is connected with certain angle with waterwall；Described extends out bottom exposed throughout type water blocking
The wide 4.80m of wall is divided into 4.80m, and total length is about 80.00m, and exposed throughout type water blocking wall crest elevation is 96.95m, and water-stop sheet is risen
Journey 95.15m, bottom elevation are 87.15m；Three groynes position lengths are respectively 34.5m, 51.3m and 36.97m, dam crest
Elevation is 95.15m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494968.4U CN209114453U (en) | 2018-09-13 | 2018-09-13 | A kind of fabricated structure for navigation through the gap flow condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494968.4U CN209114453U (en) | 2018-09-13 | 2018-09-13 | A kind of fabricated structure for navigation through the gap flow condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209114453U true CN209114453U (en) | 2019-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821494968.4U Expired - Fee Related CN209114453U (en) | 2018-09-13 | 2018-09-13 | A kind of fabricated structure for navigation through the gap flow condition |
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| Country | Link |
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| CN (1) | CN209114453U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984064A (en) * | 2019-11-25 | 2020-04-10 | 长沙理工大学 | Method for improving river channel Jiangxin continental tail ship navigation water flow conditions |
| CN112030886A (en) * | 2020-09-04 | 2020-12-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Diversion channel arrangement method combining diversion channel with bottom transparent navigation wall |
-
2018
- 2018-09-13 CN CN201821494968.4U patent/CN209114453U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984064A (en) * | 2019-11-25 | 2020-04-10 | 长沙理工大学 | Method for improving river channel Jiangxin continental tail ship navigation water flow conditions |
| CN112030886A (en) * | 2020-09-04 | 2020-12-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Diversion channel arrangement method combining diversion channel with bottom transparent navigation wall |
| CN112030886B (en) * | 2020-09-04 | 2021-10-01 | 水利部交通运输部国家能源局南京水利科学研究院 | Diversion channel arrangement method combining diversion channel with bottom transparent navigation wall |
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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: 20190716 Termination date: 20210913 |