CN107503331A - Karst funnel reservoir and its well formula flood releasing structure and construction method - Google Patents
Karst funnel reservoir and its well formula flood releasing structure and construction method Download PDFInfo
- Publication number
- CN107503331A CN107503331A CN201710608040.8A CN201710608040A CN107503331A CN 107503331 A CN107503331 A CN 107503331A CN 201710608040 A CN201710608040 A CN 201710608040A CN 107503331 A CN107503331 A CN 107503331A
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- CN
- China
- Prior art keywords
- flood
- vertical shaft
- well formula
- releasing structure
- karst funnel
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Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of well formula flood releasing structure, including the vertical shaft being arranged in the periphery rock mass of Karst funnel, the top of the vertical shaft is provided with downflow weir, the lower section of the vertical shaft is provided with flood-discharge tunnel, and the top water inlet end of the flood-discharge tunnel is connected with the vertical shaft, bottom water side is connected with the free drainage passage of Karst funnel.The invention also discloses a kind of Karst funnel reservoir and a kind of well formula flood releasing structure construction method.The well formula flood releasing structure of the present invention, release floodwatering flow can enter from downflow weir, and the free drainage passage through Karst funnel bottom is drained after flowing through vertical shaft, flood-discharge tunnel；Using the well formula flood releasing structure of the present invention, its scale is limited, has the advantages of small engineering construction amount and good economy performance.In addition, vertical shaft and closure building are non-intersect, the influence in the construction of well formula flood releasing structure, flood discharge to blocking building is limited, and security is good.
Description
Technical field
The invention belongs to hydraulic engineering technical field, is specifically a kind of Karst funnel reservoir and its well formula flood releasing structure
And construction method.
Background technology
China's karst features distribution is wide, area is big, is mainly distributed on carbonate rock bare land, area about 91~1,300,000
Sq-km.It is wherein maximum with the area shared by Guangxi, Guizhou and Eastern Yunnan, be karst features area maximum in the world it
One.Main karst features area of China is also the abundant area of Atmospheric precipitation simultaneously, but because earth's surface conditions of water storage is poor, it is more
Number precipitation enters underground karst system by concentrations such as Karst funnels so that the surface water resources in karst features area is not rich
Richness, there are many areas or even the Seasonal Water-Deficit of protrusion be present, have a strong impact on economy, the social development of locality.
Lacked with Chinese society development and Technological Economy progress, it is necessary to build reservoir in karst area and solve local seasonality
Water problems.Largest doline or karst funnel has preferable charge for remittance condition in landform, and water quality is good, if the free drainage by Karst funnel
Passage carries out science closure, can form Karst funnel reservoir.As reservoir, flood releasing structure is necessary part.Karst
Funnel reservoir is a kind of new reservoir, and how to design flood releasing structure also turns into one of key technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, it is an object of the invention to provide a kind of Karst funnel reservoir and its well formula flood releasing structure and construction
Method, it disclosure satisfy that the requirement of reservoir spillway.
To reach above-mentioned purpose, the present invention provides following technical scheme：
Present invention firstly provides a kind of well formula flood releasing structure, including the vertical shaft being arranged in the periphery rock mass of Karst funnel,
The top of the vertical shaft is provided with downflow weir, and the lower section of the vertical shaft is provided with flood-discharge tunnel, the top water inlet end of the flood-discharge tunnel
It is connected with the vertical shaft, bottom water side is connected with the free drainage passage of Karst funnel.
Further, the horn-like loop configuration that the downflow weir is gradually reduced from top to bottom in internal diameter, and the downflow weir
Top surface outer rim be located in the same horizontal plane.
Further, the vertical shaft is the cylindrical well being vertically arranged.
Further, the internal diameter of the downflow weir lowermost end is equal with the internal diameter of the vertical shaft.
Further, the bottom surface elevation of the bottom water side of the flood-discharge tunnel is not less than the free drainage passage of Karst funnel
Elevation.
The invention also provides a kind of Karst funnel reservoir, including for blocking the closure of Karst funnel free drainage passage
Formed between the periphery rock mass of the Karst funnel in building, the closure building and portion disposed thereon for water storage and through antiseepage
The storage area of drain process；The intake structure for water intaking is provided with the storage area, the emptying for being vented storage area is built
Thing and well formula flood releasing structure as described above；The downflow weir is above the closure building, under the flood-discharge tunnel
Portion water side is positioned at the lower section of the closure building, and the elevation of top surface of the downflow weir is equal to the normal water of the storage area
Position；
The emptying building is arranged on the bottom of the storage area, and the intake structure is arranged in the storage area
Portion.
Further, the water inlet bottom surface elevation of the emptying building is equal to or slightly lower than the level of dead water height of the storage area
Journey.
Further, aqueduct is connected with the intake structure, and the intake of the intake structure is located at
Between the level of dead water and ordinary water level of the storage area.
The invention also provides a kind of construction method of well formula flood releasing structure as described above, comprise the following steps：
1）Rock excavation：According to design requirement in the rock mass of Karst funnel periphery excavating shaft and flood-discharge tunnel, and according to reality
Situation reinforces country rock；
2）Structure construction：In the vertical shaft of excavation and inside and outside construction downflow weir, vertical shaft and the flood-discharge tunnel knot of flood-discharge tunnel
Structure, form the well formula flood releasing structure.
Further, the step 1）In, waste caused by excavation must not landfill in Karst funnel bottom, and rock excavation is applied
Work can not block the free drainage passage of Karst funnel.
The beneficial effects of the present invention are：
The well formula flood releasing structure of the present invention, release floodwatering flow can enter from downflow weir, be leaked after flowing through vertical shaft, flood-discharge tunnel through karst
The free drainage passage of bucket bottom is drained；Using the well formula flood releasing structure of the present invention, its scale is limited, has engineering construction amount
The advantages of small and good economy performance.In addition, vertical shaft and closure building are non-intersect, to envelope in the construction of well formula flood releasing structure, flood discharge
The influence of stifled building is limited, and security is good.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the structural representation of Karst funnel reservoir embodiment of the present invention, specifically, eliminating intake structure and emptying is built
Build thing；
Fig. 2 is Fig. 1 sectional drawing；
Fig. 3 is the structural representation of well formula flood releasing structure.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 1, the structural representation for Karst funnel reservoir embodiment of the present invention.The Karst funnel water of the present embodiment
Storehouse, including for blocking the closure building 2 of Karst funnel free drainage passage, closure building 2 and the rock in portion disposed thereon
Formed between the periphery rock mass 1 of molten funnel for water storage and the storage area 3 through antiseepage drain process.It is provided with storage area 3 and is used to take
The intake structure of water, the emptying building for being vented storage area 3 and the well formula flood releasing structure 4 for flood discharge.This implementation
The well formula flood releasing structure of example, including the vertical shaft 5 being arranged in the periphery rock mass of Karst funnel, the top of vertical shaft 5 are provided with overflow
Weir 6, the lower section of vertical shaft 5 are provided with flood-discharge tunnel 7, the top water inlet end of flood-discharge tunnel 7 is connected with vertical shaft 5, bottom water side with
The free drainage passage 8 of Karst funnel is connected.Specifically, downflow weir 6 is under the top of closure building 2, flood-discharge tunnel 7
Portion water side is positioned at the lower section of closure building 2, and the elevation of top surface of downflow weir 6 is equal to the ordinary water level of storage area 3.Emptying is built
The bottom that thing is arranged on storage area 3 is built, intake structure is arranged on the middle part of storage area 3.It is vented the water inlet bottom surface of building
Elevation is equal to or slightly lower than the level of dead water elevation of storage area 3, and aqueduct, and intake structure are connected with intake structure
Intake be located between the level of dead water and ordinary water level of storage area 3.
The Karst funnel reservoir of the present embodiment, using closure building closure Karst funnel free drainage passage, and sealing
Formed between the periphery rock mass of stifled building and the Karst funnel in portion disposed thereon for water storage and through the water storage of antiseepage drain process
Area so that Karst funnel possesses the condition that storage surface water forms reservoir；Emptying building can be vented reservoir, to overhaul
All kinds of buildings of reservoir area；Well formula flood releasing structure can drain unnecessary water in time, to ensure that reservoir safety is run；Water intaking is built
Building thing can be connected with aqueduct, fetch water for producing, living；Further, since the pollution sources on Karst funnel periphery are limited, water and soil
Losing issue is not serious, and therefore, the Sediment Siltation problem of Karst funnel reservoir does not protrude, and Reservoir Water Quality is also preferable.
Further, the horn-like loop configuration that downflow weir 6 is gradually reduced from top to bottom in internal diameter, and the top surface of downflow weir 6
Outer rim is located in the same horizontal plane, and the vertical shaft 5 of the present embodiment is the cylindrical well being vertically arranged, the internal diameter of the lowermost end of downflow weir 6
It is equal with the internal diameter of vertical shaft 5.The bottom surface elevation of the bottom water side of the flood-discharge tunnel 7 of the present embodiment is not less than the day of Karst funnel
The elevation of right drainage channel 8, in order to which the water in well formula flood releasing structure 4 is all discharged.
The well formula flood releasing structure of the present embodiment, release floodwatering flow can enter from downflow weir, be passed through after flowing through vertical shaft, flood-discharge tunnel
The free drainage passage of Karst funnel bottom is drained；Using the well formula flood releasing structure of the present invention, its scale is limited, has engineering
Construction volume is small and the advantages of good economy performance.In addition, vertical shaft and closure building are non-intersect, the construction of well formula flood releasing structure, flood discharge
In to block building influence it is limited, security is good.
The present embodiment also proposed a kind of well formula flood releasing structure construction method, comprise the following steps：
1）Rock excavation：According to design requirement in the rock mass of Karst funnel periphery excavating shaft and flood-discharge tunnel, and according to reality
Situation reinforces country rock；Waste caused by excavation must not landfill in Karst funnel bottom, and rock excavation construction can not block karst
The free drainage passage of funnel.
2）Structure construction：In the vertical shaft of excavation and inside and outside construction downflow weir, vertical shaft and the flood discharge tunnel of flood-discharge tunnel
Hole structure, form well formula flood releasing structure.
The well formula flood releasing structure construction method disclosure satisfy that the construction requirement of well formula flood releasing structure.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
- A kind of 1. well formula flood releasing structure, it is characterised in that：It is described including the vertical shaft being arranged in the periphery rock mass of Karst funnel The top of vertical shaft is provided with downflow weir, and the lower section of the vertical shaft is provided with flood-discharge tunnel, the top water inlet end of the flood-discharge tunnel and institute State that vertical shaft is connected, bottom water side is connected with the free drainage passage of Karst funnel.
- 2. well formula flood releasing structure according to claim 1, it is characterised in that：The downflow weir in internal diameter from top to bottom by Decrescence small horn-like loop configuration, and the top surface outer rim of the downflow weir is located in the same horizontal plane.
- 3. well formula flood releasing structure according to claim 2, it is characterised in that：The vertical shaft is the cylinder being vertically arranged Well.
- 4. well formula flood releasing structure according to claim 3, it is characterised in that：The internal diameter of the downflow weir lowermost end and institute The internal diameter for stating vertical shaft is equal.
- 5. well formula flood releasing structure according to claim 1, it is characterised in that：The bottom water side of the flood-discharge tunnel Elevation of the bottom surface elevation not less than the free drainage passage of Karst funnel.
- A kind of 6. Karst funnel reservoir, it is characterised in that：Built including the closure for blocking Karst funnel free drainage passage Formed between the periphery rock mass of the Karst funnel in thing, the closure building and portion disposed thereon for water storage and through antiseepage leak The storage area of reason；In the storage area be provided with for fetch water intake structure, the emptying building for being vented storage area and The well formula flood releasing structure as described in claim any one of 1-5；The downflow weir is described to let out above the closure building The bottom water side of big vast tunnel is positioned at the lower section of the closure building, and the elevation of top surface of the downflow weir is equal to the water storage The ordinary water level in area；The emptying building is arranged on the bottom of the storage area, and the intake structure is arranged in the storage area Portion.
- 7. Karst funnel reservoir according to claim 6, it is characterised in that：The water inlet bottom surface of the emptying building is high Journey is equal to or slightly lower than the level of dead water elevation of the storage area.
- 8. the Karst funnel reservoir according to claim 6 or 7, it is characterised in that：It is connected with the intake structure Aqueduct, and the intake elevation of the intake structure is located at the level of dead water elevation and ordinary water level elevation of the storage area Between.
- A kind of 9. construction method of the well formula flood releasing structure as described in claim any one of 1-5, it is characterised in that：Including as follows Step：1）Rock excavation：According to design requirement in the rock mass of Karst funnel periphery excavating shaft and flood-discharge tunnel, and according to reality Situation reinforces country rock；2）Structure construction：In the vertical shaft of excavation and inside and outside construction downflow weir, vertical shaft and the flood-discharge tunnel knot of flood-discharge tunnel Structure, form the well formula flood releasing structure.
- 10. well formula flood releasing structure construction method according to claim 9, it is characterised in that：The step 1）In, excavate Caused waste must not landfill in Karst funnel bottom, and rock excavation construction can not block the free drainage of Karst funnel and lead to Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608040.8A CN107503331A (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and its well formula flood releasing structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608040.8A CN107503331A (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and its well formula flood releasing structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107503331A true CN107503331A (en) | 2017-12-22 |
Family
ID=60689274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710608040.8A Pending CN107503331A (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and its well formula flood releasing structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107503331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424685A (en) * | 2020-04-14 | 2020-07-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Deep water falling hole processing structure and method for backfilling foundation in large karst depression |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130236251A1 (en) * | 2011-10-18 | 2013-09-12 | Eric W. Smith | Rock bolt sealing system |
| CN203977378U (en) * | 2014-07-31 | 2014-12-03 | 中国电建集团中南勘测设计研究院有限公司 | A kind of shaft spillway |
-
2017
- 2017-07-24 CN CN201710608040.8A patent/CN107503331A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130236251A1 (en) * | 2011-10-18 | 2013-09-12 | Eric W. Smith | Rock bolt sealing system |
| CN203977378U (en) * | 2014-07-31 | 2014-12-03 | 中国电建集团中南勘测设计研究院有限公司 | A kind of shaft spillway |
Non-Patent Citations (1)
| Title |
|---|
| 吴明洋: ""刘家沟面板堆石坝坝体设计与运行期应力变形研究"", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424685A (en) * | 2020-04-14 | 2020-07-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Deep water falling hole processing structure and method for backfilling foundation in large karst depression |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20171222 |