CN109339006A - A kind of efficient bevel-type waterpower stilling pool slab and its construction method - Google Patents
A kind of efficient bevel-type waterpower stilling pool slab and its construction method Download PDFInfo
- Publication number
- CN109339006A CN109339006A CN201811477984.7A CN201811477984A CN109339006A CN 109339006 A CN109339006 A CN 109339006A CN 201811477984 A CN201811477984 A CN 201811477984A CN 109339006 A CN109339006 A CN 109339006A
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- cone
- stilling pool
- power
- disappears
- pool slab
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 34
- 238000009792 diffusion process Methods 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of efficient bevel-type waterpower stilling pool slab and its construction methods, the vertical that wherein disappears includes stilling pool slab body, pressure pipeline, anchor block and the power cone that disappears, stilling pool slab body is reinforced concrete structure, in cylinder type, it is embedded in below ground, well top is above ground level, and Jing Ding is equipped with overflow crest of weir, and the outside of overflow crest of weir is equipped with outlet canal；Pressure pipeline level penetrates the inner wall for the vertical that disappears, and 90 ° of turning parts are arranged, and the outlet of turning part is straight down；Anchor block is fixed by the inner wall of reinforcing bar and the vertical that disappears, and is poured to be formed using armored concrete, and turning part passes through anchor block；The center of stilling pool slab body is arranged in the power that disappears cone, and the outlet of turning part is faced at the top of the power that disappears cone.The present invention innovatively uses cone structure especially suitable for high water head pipeline water flow energy dissipating, makes water flow along cone diffusion, rolling, friction, has the characteristics that energy dissipating is high-efficient, energy dissipating space is few, simple and reliable for structure, there is good promotional value and application prospect.
Description
Technical field
The present invention relates to water construction objects, and in particular to a kind of efficient bevel-type waterpower stilling pool slab and its construction method.
Background technique
Waterpower stilling pool slab body is water conservancy and hydropower, common hydraulic structure in urban water supply, drop it is big discharge water, water supply
Or for the energy for eliminating high-velocity flow waterpower stilling pool slab body need to be arranged, safely discharge conduit water in the pipeline water flow end of flood discharge
The potential energy and kinetic energy of stream, are connected upstream water flow properly with downstream water flow, avoid that pipeline and downstream building is caused to destroy.
Conventional hydraulic stilling pool slab body arranges energy dissipating baffle arrangement generally in well or arranges larger, the deeper stilling pool slab of size
Body cell structure, which results in following defects:
(1) the deficiencies of that there are energy dissipating effect is low, water outlet flow-shape is poor；
(2) structure is complicated, building size is big, and installation and maintenance are inconvenient.
In view of this, being badly in need of improving the structure of existing waterpower stilling pool slab body, to simplify structure, energy dissipating effect is improved
Power improves water outlet flow-shape.
Summary of the invention
The technical problem to be solved by the present invention is to existing waterpower stilling pool slab body, that there are energy dissipating effect is low, water outlet water flow stream
The problem that state is poor, structure is complicated, building size is big.
In order to solve the above-mentioned technical problem, disappear power the technical scheme adopted by the invention is that providing a kind of efficient bevel-type waterpower
Well, comprising:
Stilling pool slab body is reinforced concrete structure, is in cylinder type, is embedded in below ground, well top is above ground level, and the well
Top is equipped with overflow crest of weir, and the outside of the overflow crest of weir is equipped with outlet canal；
Pressure pipeline, level penetrate the inner wall of the vertical that disappears, and 90 ° of turning parts are arranged, and the outlet of the turning part is perpendicular
It is straight downward；
Anchor block is fixed by the inner wall of reinforcing bar and the vertical that disappears, is poured to be formed using armored concrete, the turning part
Across the anchor block；
The power that disappears cone is arranged in the center of the stilling pool slab body, faces the turning part at the top of the power of the disappearing cone
Outlet.
In another preferred embodiment, the power of the disappearing cone uses steel casing, including the power cone that disappears being welded and fixed
Upper section and the lower section of the vertical cone that disappears, the inside of the power of the disappearing cone has poured concrete.
In another preferred embodiment, well top height above ground level is 1.5~2.5m.
In another preferred embodiment, the distance between the outlet at the top and the turning part of the power of the disappearing cone
For the caliber of 2~3 times of the turning part.
In another preferred embodiment, the turning between the bottom plate and inner wall of the stilling pool slab body is connected using cambered surface
It connects.
The present invention also provides the construction methods of the efficient bevel-type waterpower stilling pool slab of above structure, comprising the following steps:
S1, foundation excavation excavate well with excavator, reinforce well draining, keep well wall to stablize, basis is arranged in sand
On cobble or basement rock, after base surface leveling, 10cm thickness C15 concrete is laid with as stilling pool slab body blinding layer；
S2, stilling pool slab body reinforcing bar concrete placings, bind the bottom plate and borehole wall reinforcing bar, casting concrete of stilling pool slab body, and vibrate
It is closely knit；
S3, the construction of the power that disappears cone, the power that will disappear cone are lifted to stilling pool slab body, are installed just in the bottom plate center of stilling pool slab body
Position；
S4, pressure pipeline and anchor block construction bind anchor block and straining beam reinforcing bar, pour anchor block after pressure pipeline installation is in place
Concrete is connected and fixed stilling pool slab body and anchor block integral；
S5, outlet canal construction, pour the bottom plate and side wall armored concrete of outlet canal, the overflow of outlet canal and stilling pool slab body
Subsiding crack is set at weir, sets rubber fastening band in subsiding crack.
In another preferred embodiment, in step S3, the power that disappears cone, which point disappears, to be saved on power cone and the lower section of power cone that disappears, and first will
The lower section of the power that disappears cone is lifted to stilling pool slab body bottom plate, and installation is in place, by the top aperture casting concrete for the lower section of power cone that disappears, so
Section on the power cone that disappears is lifted afterwards and is fixed with lower section welded connecting.
Compared with prior art, the present invention is especially suitable for high water head pipeline water flow energy dissipatings, innovatively use cone structure,
Make water flow along cone diffusion, rolling, friction, has the characteristics that energy dissipating is high-efficient, energy dissipating space is few, simple and reliable for structure, have
Good promotional value and application prospect.
Detailed description of the invention
Fig. 1 is front view of the invention；
Fig. 2 is top view of the invention.
Specific embodiment
The present invention provides a kind of efficient bevel-type waterpower stilling pool slab and its construction methods, especially suitable for high water head pipeline water
Energy dissipating is flowed, cone structure is innovatively used, makes water flow along cone diffusion, rolling, friction, has that energy dissipating is high-efficient, energy dissipating is empty
Between less, it is simple and reliable for structure the features such as.The present invention is described in detail with specific embodiment with reference to the accompanying drawings of the specification.
As depicted in figs. 1 and 2, a kind of efficient bevel-type waterpower stilling pool slab provided by the invention, including stilling pool slab body 10, pressure
Pipeline 20, anchor block 30 and the power cone 40 that disappears.
Stilling pool slab body 10 is reinforced concrete structure, is in cylinder type, is embedded in below ground, well top is above ground level, and Jing Ding
Equipped with overflow crest of weir 11, the outside of overflow crest of weir 11 is equipped with outlet canal 12.To ensure the stilling pool slab in high water head, high flow rate operation
Body 10 is stablized, and 10 main structure of stilling pool slab body is preferably embedded in below ground.
20 level of pressure pipeline penetrates the inner wall for the vertical that disappears, and 90 ° of turning parts 21 are arranged, the outlet of turning part 21 vertically to
Under.Anchor block 30 is fixed by the inner wall of reinforcing bar and the vertical that disappears, and is poured to be formed using armored concrete, and turning part 21 passes through anchor block
30.The center of stilling pool slab body 10 is arranged in the power that disappears cone 40, and the outlet of turning part 21 is faced at the top of the power that disappears cone.
Water flow enters the vertical that disappears by pressure pipeline 20, and by turning part 21, water flow is vertically impacted to the power cone 40 that disappears, water
Stream is spread downwards along the surrounding for the power cone 40 that disappears, then is turned back upwards from shaft bottom, and it is opposite that inside and outside flow direction is formed in stilling pool slab body 10
Two bursts of water flows that liquidate, further diffuse into one another to form a large amount of irregular small whirlpool bodies, reach energy dissipating purpose, the water flow after energy dissipating
By draining into downstream outlet canal 12 outside overflow crest of weir 11.
Preferably, the power that disappears cone 40 uses steel casing, and the power that disappears including being welded and fixed bores the lower section of vertical cone that saves and disappear, and disappears
The inside of power cone 40 has poured concrete.Concrete inside the power that disappears cone 40 can greatly enhance the power cone 40 that disappears intensity and
Stability, the structure for being divided into upper and lower two section facilitate pouring for construction and concrete.
Preferably, well top height above ground level is 1.5~2.5m, it is ensured that stilling pool slab body 10 is under the impact of high-velocity flow
Overall operation is stablized, and avoids vibrating.
Preferably, the turning part 21 that the distance between outlet at top and turning part 21 of the power that disappears cone 40 is 2~3 times
Caliber.This distance makes the water flow come out from turning part 21 have certain flow rate, and impacts again after obtaining certain speed
The top of the power that disappears cone 40, thus by water stream and uniform diffusion downwards.
Preferably, the turning between the bottom plate and inner wall of stilling pool slab body 10 is connected using cambered surface, and cambered surface connects so that water flow
It can be impacted upwards after reaching shaft bottom, and then form collision and rolling with downward water flow, achieve the purpose that efficient energy dissipating.
The present invention also provides the construction methods of the efficient bevel-type waterpower stilling pool slab of above structure, comprising the following steps:
S1, foundation excavation excavate well with excavator, reinforce well draining, keep well wall to stablize, basis is arranged in sand
On cobble or basement rock, after base surface leveling, 10cm thickness C15 concrete is laid with as 10 blinding layer of stilling pool slab body；
S2,10 reinforcing bar concrete placings of stilling pool slab body, the bottom plate and borehole wall reinforcing bar of binding stilling pool slab body 10, casting concrete, and
Vibration compacting, concrete must be very strictly controlled the ratio of mud；
S3, the power that disappears cone 40 are constructed, and the power that will disappear cone is lifted to stilling pool slab body 10, in the bottom plate center of stilling pool slab body 10
Installation is in place；The size for the power cone 40 that disappears can be designed according to actual needs；
S4, pressure pipeline 20 and anchor block 30 are constructed, and after pressure pipeline 20 is installed in place, bind anchor block 30 and straining beam reinforcing bar,
30 concrete of anchor block is poured, is connected and fixed stilling pool slab body 10 and anchor block 30 integral；
S5, outlet canal 12 are constructed, and the bottom plate and side wall armored concrete of outlet canal 12, outlet canal 12 and stilling pool slab body are poured
Subsiding crack is set at 10 overflow weir, sets rubber fastening band in subsiding crack.
Wherein in step S3, the power that disappears cone 40 divides on the power cone that disappears the lower section of power cone that saves and disappear, and the lower section lifting of the power that will first disappear cone is extremely
10 bottom plate of stilling pool slab body, and top aperture casting concrete in place, to save under being bored by the power that disappears is installed, then lifting disappears on power cone
It saves and is welded to connect and fixes with lower section.
Waterpower stilling pool slab body 10 provided by the invention has the advantage that
1) structure is simple: primary structure is made of anchor block 30, stilling pool slab body 10,40 three parts of the power that disappears cone, with stilling pool slab
It is centered on body 10 that triplicity is integral, it is compact-sized simple；
2) efficient energy dissipating: due to the diffusion that liquidates by the power cone that disappears, make to form two of flow direction on the contrary in stilling pool slab body 10
Stock solid current, sufficiently liquidate friction in entire well, reaches efficient energy dissipating purpose, and practical example shows that effect of energy dissipation extremely has
Effect, the water after energy dissipating flow out water steadying；
3) space occupied is small: since anchor block 30 and the power cone 40 that disappears are arranged in stilling pool slab body 10, it not being arranged again
Its energy dissipater's building arranges very compact, space occupied very little；
4) project cost is low: it is ingenious using a simple cone structure come energy dissipating, do not arrange conventional energy dissipating baffle,
The conventional structures such as force-eliminating chamber, stilling pond reduce energy dissipater's building engineering amount, construction investment are reduced, according to the same of built engineering
Condition design compares, and reduces architectural engineering investment about 25~35%, has good economic benefit.
The invention is not limited to above-mentioned preferred forms, and anyone should learn that is made under the inspiration of the present invention
Structure change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Claims (7)
1. a kind of efficient bevel-type waterpower stilling pool slab characterized by comprising
Stilling pool slab body is reinforced concrete structure, is in cylinder type, is embedded in below ground, well top is above ground level, and the Jing Ding is set
There is overflow crest of weir, the outside of the overflow crest of weir is equipped with outlet canal；
Pressure pipeline, level penetrate the inner wall of the vertical that disappears, and 90 ° of turning parts are arranged, the outlet of the turning part vertically to
Under；
Anchor block is fixed by the inner wall of reinforcing bar and the vertical that disappears, is poured to be formed using armored concrete, and the turning part passes through
The anchor block；
The center of the stilling pool slab body is arranged in the power that disappears cone, and going out for the turning part is faced at the top of the power of the disappearing cone
Mouthful.
2. efficient bevel-type waterpower stilling pool slab according to claim 1, which is characterized in that the power of the disappearing cone is using outside steel
Shell, the power that disappears including being welded and fixed bore the lower section of vertical cone that saves and disappear, and the inside of the power of the disappearing cone has poured concrete.
3. efficient bevel-type waterpower stilling pool slab according to claim 1, which is characterized in that well top height above ground level
For 1.5~2.5m.
4. efficient bevel-type waterpower stilling pool slab according to claim 1, which is characterized in that the top of the power of the disappearing cone and institute
State the caliber for the turning part that the distance between outlet of turning part is 2~3 times.
5. efficient bevel-type waterpower stilling pool slab according to claim 1, which is characterized in that the bottom plate of the stilling pool slab body and interior
Turning between wall is connected using cambered surface.
6. the construction method of efficient bevel-type waterpower stilling pool slab as claimed in any one of claims 1 to 5, which is characterized in that including
Following steps:
S1, foundation excavation excavate well with excavator, reinforce well draining, keep well wall to stablize, basis is arranged in sandy gravel
Or on basement rock, after base surface leveling, 10cm thickness C15 concrete is laid with as stilling pool slab body blinding layer；
S2, stilling pool slab body reinforcing bar concrete placings bind the bottom plate and borehole wall reinforcing bar, casting concrete, and vibration compacting of stilling pool slab body；
S3, the construction of the power that disappears cone, the power that will disappear cone are lifted to stilling pool slab body, and in the bottom plate center of stilling pool slab body, installation is in place；
S4, pressure pipeline and anchor block construction bind anchor block and straining beam reinforcing bar, pour anchor block coagulation after pressure pipeline installation is in place
Soil is connected and fixed stilling pool slab body and anchor block integral；
S5, outlet canal construction, pour the bottom plate and side wall armored concrete of outlet canal, at the overflow weir of outlet canal and stilling pool slab body
If subsiding crack, rubber fastening band is set in subsiding crack.
7. according to the method described in claim 6, it is characterized in that, in step S3, the power that disappears cone point, which disappears, to be saved on power cone and the power that disappears
Cone is lower to be saved, the lower section lifting of the power that will first disappear cone to stilling pool slab body bottom plate, and installation is in place, and by disappearing, the lower top aperture saved of power cone is poured
Concrete is built, section on the power cone that disappears then is lifted and is fixed with lower section welded connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477984.7A CN109339006B (en) | 2018-12-05 | 2018-12-05 | Efficient cone-type hydraulic power absorption well and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477984.7A CN109339006B (en) | 2018-12-05 | 2018-12-05 | Efficient cone-type hydraulic power absorption well and construction method thereof |
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| Publication Number | Publication Date |
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| CN109339006A true CN109339006A (en) | 2019-02-15 |
| CN109339006B CN109339006B (en) | 2023-11-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112431291A (en) * | 2020-11-28 | 2021-03-02 | 常州市排水管理处 | Large sewage pressure release drop well for relieving odor release |
| CN115323998A (en) * | 2022-08-30 | 2022-11-11 | 扬州大学 | Oblique angle guide pipe turning force dissipating pier and asymmetric outflow coupling energy dissipation method |
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| CN112431291A (en) * | 2020-11-28 | 2021-03-02 | 常州市排水管理处 | Large sewage pressure release drop well for relieving odor release |
| CN115323998A (en) * | 2022-08-30 | 2022-11-11 | 扬州大学 | Oblique angle guide pipe turning force dissipating pier and asymmetric outflow coupling energy dissipation method |
| CN115323998B (en) * | 2022-08-30 | 2024-01-23 | 扬州大学 | Oblique angle conduit diversion dissipating pier and asymmetric outflow coupling energy dissipation method |
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| Publication number | Publication date |
|---|---|
| CN109339006B (en) | 2023-11-21 |
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