CN205134266U - Big storehouse dish reservoir silt beach sand surfing structure - Google Patents
Big storehouse dish reservoir silt beach sand surfing structure Download PDFInfo
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- CN205134266U CN205134266U CN201520931285.0U CN201520931285U CN205134266U CN 205134266 U CN205134266 U CN 205134266U CN 201520931285 U CN201520931285 U CN 201520931285U CN 205134266 U CN205134266 U CN 205134266U
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Abstract
The utility model discloses a big storehouse dish reservoir silt beach sand surfing structure, including dam, head piece and set up in drawing together major trough, water conveyance structure and the yu tan between dam and the head piece, the head piece department of propping up in the inward -remittance reservoir area has arranged interim water retaining structure, water conveyance structure is along arranging along the major trough direction in storehouse week, be provided with a plurality of mass flow grooves on the water conveyance structure axis direction. Water conveyance structure lays through silt beach excavation channel or adoption conduit and forms, mass flow groove excavation on the silt beach forms to every the mass flow groove becomes parallel arrangement. The utility model discloses a rely on water flow scouring and gravitational erosion break from, carry silt, do not need plus power, avoid author's remuneration usefulness, the high pollution problem of mechanical desilting simultaneously, have characteristics such as environmental protection, economy, high efficiency. The utility model discloses can effectively reduce the reservoir sedimentation, to performance reservoir economy and social, protection reservoir area environment, it is significant to maintain aspect such as reservoir function.
Description
Technical field
The utility model belongs to Hydraulic and Hydro-Power Engineering reservoir sand drained technical field, relates to reservoir
Silt beach sand surfing technology, especially relates to a kind of large storehouse dish reservoir silt beach sand surfing structure.
Background technology
At present, in the work of reservoir sand drained, reservoir sedimentation beach is generally arranged in reservoir, tail storehouse section, occupies reservoir effective storage for a long time, is formed by the deposition of bed load in flood and suspended load, consolidation.Therefore be difficult to gather effect by storing the adjustment of arranging clearly the reservoir operation mode such as muddy, discharging by density current, also sand-flash effect is undesirable to adopt the conventional engineering measure process such as sluice vibration, headcut scour.According to mechanical desilting, the easy polluted-water of sand grain of mechanical oil smoke and mechanical agitation on the one hand, the reservoir impact some being born to urban water supply task is larger; On the other hand, it is difficult that mechanical desilting costly, shoal materials is stacked.Therefore existing reservoir silt beach sand surfing structure and sand drained measure desirable not enough, await perfect further.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of large storehouse dish reservoir silt beach sand surfing structure.By arranging conveyance structure and afflux groove on silt beach, planned distribution and guiding water flow to surface, silt beach, utilize beach high groove depth, transverse gradient is larger, The turbulent river crashes its way through, and violent scour and incision occur, and causes the alluvial soil body of afflux groove both sides to cave under gravity, thus make a large amount of mud introduce major trough with walk with current, and get rid of outside storehouse.
The utility model is achieved by following technical solution.
A kind of large storehouse dish reservoir silt beach sand surfing structure, comprise dam, tributary inlet and be arranged at the major trough, conveyance structure and the Yu Tan that draw together between dam and tributary inlet, be furnished with temporary water dash building at the tributary inlet place importing reservoir area, described conveyance structure is arranged along storehouse week along major trough direction; Some afflux grooves are being provided with along on conveyance structure axis direction.
Described conveyance structure is by silt beach excavation channel or adopt aqueduct laying to form.
Described afflux groove excavates formation on silt beach, and every bar afflux groove becomes to be arranged in parallel.
Described conveyance structure is arranged along being parallel to major trough storehouse week.
Described conveyance structure and afflux groove are trapezoidal cross-section.
The beneficial effects of the utility model are:
Compared with prior art, the utility model comes brokenly, from, sediment, not need additionaling power, avoid the high cost of mechanical desilting, high pollution problem simultaneously by relying on current scour and mass erosion, has environmental protection, economy, the feature such as efficient.The utility model effectively can reduce reservoir sedimentation, and to performance reservoir economic and social benefit, protection Reservoir region environment, maintains the aspects such as reservoir function significant.Can in Hydraulic and Hydro-Power Engineering reservoir sand drained technical field wide popularization and application.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present utility model;
Fig. 2 is cross-sectional configuration schematic diagram of the present utility model;
Fig. 3 is the section structure schematic diagram of conveyance structure in the utility model.
In figure: 1-major trough, 2-conveyance structure, 3-afflux groove, 4-temporary water dash building, 5-dam, 6-silt beach, 7-tributary inlet.
Detailed description of the invention
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figure 1 to Figure 3, a kind of large storehouse dish reservoir silt beach sand surfing structure, comprise dam 5, tributary inlet 7 and be arranged at and draw together major trough 1 between dam 5 and tributary inlet 7, conveyance structure 2 and silt beach 6, be furnished with temporary water dash building 4 at tributary inlet 7 place importing reservoir area, described conveyance structure 2 is arranged along storehouse week along major trough 1 direction; Some afflux grooves 3 are being provided with along on conveyance structure 2 axis direction.
Described conveyance structure 2 is excavated channel by silt beach 6 or is adopted aqueduct to lay and forms.
Described afflux groove 3 excavates formation on silt beach 6, and every bar afflux groove 3 one-tenth is arranged in parallel.When excavating, the spacing of afflux groove 3 is advisable with 10 ~ 30m, in order to avoid form Gu Tan because erosion and deposition is not in place.Described conveyance structure 2 (channel), afflux groove 3 are when constructing, and should choose the build being convenient to excavate, as trapezoidal cross-section etc., cross dimensions depends on into beach flow, should be limited to fit into beach current.The layout elevation of described conveyance structure 2, length, caliber, single-unit length, pipe material should be determined by elevation computation and test.
Described afflux groove 3 excavate should from dam 5 against the current flow path direction carry out, profoundly widen workbench until a upper afflux groove 3 and complete thoroughly, just allow next afflux groove 3 of beginning to make groove work.
Described conveyance structure 2 is arranged along being parallel to major trough 1 storehouse week.
As shown in Figure 1 to Figure 3, the construction method step of large storehouse dish reservoir silt beach sand surfing structure described in the utility model is as follows:
(1) temporary water dash building is built: import mouth in reservoir area and build temporary water dash building 4, for ease of gathering materials on the spot, local material dam structure selected by temporary water dash building 4;
(2) conveyance structure is arranged: along being parallel to major trough 1 or water (flow) direction layout conveyance structure 2 storehouse week, conveyance structure 2 is according to channel, and section is preferably trapezoidal cross-section, and cross dimensions depends on into beach flow, should be limited to fit into beach current; According to aqueduct, it arranges that elevation, length, caliber, single-unit length, pipe material should be determined by elevation computation and test;
(3) afflux groove is excavated: along being orthogonal to major trough 1 or water (flow) direction excavation afflux groove 3, the section of afflux groove 3 is identical with the canal cross section of conveyance structure 2; Afflux groove 3 excavates and inverse major trough 1 direction or water (flow) direction should carry out from dam;
(4) discharge water sand surfing: profoundly widen workbench until a upper afflux groove 3 and complete thoroughly, start next afflux groove 3 and make groove work;
(5) remove temporary water dash building: after erosion and deposition, remove temporary water dash building 4.
The excavation of described conveyance structure 2 channel and afflux groove 3 all carries out on silt beach 6.
Described conveyance structure 2, afflux groove 3 should choose the build being convenient to excavate as far as possible, and as trapezoidal cross-section etc., cross dimensions depends on into beach flow, should be limited to fit into beach current.
At summer, Qiu Liangji, reservoir is often in low water level operation or natural flood discharge state, and reservoir silt beach 6 appears, for implementing the opportune time of the present utility model.As shown in Figure 1 to Figure 3, when implementing, first arrange temporary water dash building 4 in entrance, reservoir area, so that water conservation.On the silt beach 6 appeared, major trough 1 is roughly parallel to or water (flow) direction 7 arranges conveyance structure 2 along storehouse week, conveyance structure 2 generally adopts channel or aqueduct, canal cross section is recommended as trapezoidal cross-section, cross dimensions guarantees accommodation and quotes Wash flow, the excavation slope of conveyance structure 2 channel suitably slows down, and excavation slope adopts 1:1 than preferentially, is beneficial to the stability of slope of conveyance structure 2 channel.Afflux groove 3, for preventing current cross flow and reduce and rush beach effect and excavate on beach face after conveyance structure 2 releases, generally should excavate afflux groove 3 in advance on the silt beach 6 of storehouse to be rushed section.Afflux groove 3 arranges that afflux groove 3 section selection principle is with conveyance structure 2 along being roughly orthogonal to major trough 1 or water (flow) direction 7.Afflux groove 3 spacing is selected according to the length etc. of reservoir inflow and afflux groove 3, unsuitable excessive, otherwise often forms Gu Tan because erosion and deposition is not in place.Article 1, afflux groove 3 should select silt beach 6 near head side, storehouse, and remaining set chute 3 progressively carries out against major trough 1 direction or water (flow) direction.On conveyance structure 2, excavate discharge opening or open gate valve, discharge water sand surfing, and complete thoroughly until afflux groove 3 profoundly widens workbench, shutoff this section of conveyance structure 2 discharge opening or closing gate valve, start next afflux groove 3 and make groove work.
When Wash flow enters beach by conveyance structure 2, because of beach high groove depth, transverse gradient is larger, The turbulent river crashes its way through, there is violent scour and incision, cause the silt soil body of afflux groove 3 both sides to cave under gravity, a large amount of mud and walk are entered major trough 1 with Wash flow and are got rid of outside storehouse by reservoir emptying building.As shown in Figure 2, conveyance structure 2 sluices and rushes beach, first falls from beach face ratio and washes away by gradual steep place (in figure 2 in G-H shown in), propelling of tracing to the source from bottom to top.Simultaneously, due to by the silt soil that rushes for layer structure, and every layer of silt soil is from top to bottom, and its grain diameter is from fine to coarse, the characteristic distributions that dry density is descending, at every face place layer by layer, particle diameter is thin, and viscosity is large, be difficult to wash away, therefore, show as and fall bank shape and cut bean curd formula and wash away (as Suo Shi F-M, E-M in Fig. 2).
Claims (5)
1. a large storehouse dish reservoir silt beach sand surfing structure, it is characterized in that: comprise dam (5), tributary inlet (7) and be arranged at and draw together major trough (1) between dam (5) and tributary inlet (7), conveyance structure (2) and silt beach (6), be furnished with temporary water dash building (4) at tributary inlet (7) place importing reservoir area, described conveyance structure (2) is arranged along storehouse week along major trough (1) direction; Some afflux grooves (3) are being provided with along on conveyance structure (2) axis direction.
2. one according to claim 1 large storehouse dish reservoir silt beach sand surfing structure, is characterized in that: described conveyance structure (2) is by silt beach (6) excavation channel or adopt aqueduct laying to form.
3. one according to claim 1 large storehouse dish reservoir silt beach sand surfing structure, it is characterized in that: described afflux groove (3) excavates formation on Yu Tan (6), and every bar afflux groove (3) becomes to be arranged in parallel.
4. one according to claim 1 large storehouse dish reservoir silt beach sand surfing structure, is characterized in that: described conveyance structure (2) is arranged along being parallel to major trough (1) storehouse week.
5. one according to claim 1 large storehouse dish reservoir silt beach sand surfing structure, is characterized in that: described conveyance structure (2) and afflux groove (3) are trapezoidal cross-section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931285.0U CN205134266U (en) | 2015-11-20 | 2015-11-20 | Big storehouse dish reservoir silt beach sand surfing structure |
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| CN201520931285.0U CN205134266U (en) | 2015-11-20 | 2015-11-20 | Big storehouse dish reservoir silt beach sand surfing structure |
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| CN205134266U true CN205134266U (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421288A (en) * | 2015-11-20 | 2016-03-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Large reservoir basin reservoir silt beach sand sluicing structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421288A (en) * | 2015-11-20 | 2016-03-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Large reservoir basin reservoir silt beach sand sluicing structure and construction method thereof |
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