CN107190713A - Karst funnel reservoir and its flood-discharge tunnel and excavation method - Google Patents
Karst funnel reservoir and its flood-discharge tunnel and excavation method Download PDFInfo
- Publication number
- CN107190713A CN107190713A CN201710606577.0A CN201710606577A CN107190713A CN 107190713 A CN107190713 A CN 107190713A CN 201710606577 A CN201710606577 A CN 201710606577A CN 107190713 A CN107190713 A CN 107190713A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- karst funnel
- intake
- karst
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009412 basement excavation Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000011435 rock Substances 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 102000010637 Aquaporins Human genes 0.000 claims 1
- 108010063290 Aquaporins Proteins 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 13
- 230000005641 tunneling Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002352 surface water Substances 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/06—Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of Karst funnel reservoir spillway tunnel, including the vertical shaft section being arranged in the periphery rock mass of Karst funnel, provided with intake tunnel section between the upper end of the vertical shaft section and Karst funnel side wall, water outlet Tunnel Section is provided between the lower end of the vertical shaft section and the free drainage passage of Karst funnel.The invention also discloses a kind of Karst funnel reservoir and a kind of construction method of Karst funnel reservoir spillway tunnel.The excavation method of the Karst funnel reservoir spillway tunnel of the present invention, first construction shaft mesopore in shaft excavation construction, full face tunneling vertical shaft, is conducive to the waste of shaft excavation to be transported from the water outlet tunnel excavated, improves the security and economy of vertical excavation construction again.
Description
Technical field
It is specifically a kind of Karst funnel reservoir and its flood-discharge tunnel and excavation the invention belongs to hydraulic engineering technical field
Method.
Background technology
Karst funnel reservoir is a kind of new reservoir, is characterized in cutting off Karst funnel and its by storehouse bottom seal structure
The contact of bottom free drainage passage, makes Karst funnel have retaining Cheng Ku after the function of storage surface water.Due to Karst funnel
Periphery usually not surface drainage is distributed, and the release floodwatering flow of Karst funnel reservoir can not be directly discharged into periphery surface drainage, therefore,
Just turn into suitable selection using the free drainage passage flood discharge of Karst funnel bottom, sometimes even unique selection.
When the free drainage passage by the use of Karst funnel bottom is exported as release floodwatering flow, the flood releasing structure of reservoir leads to
Often be arranged in the side wall rock mass of Karst funnel, such flood releasing structure belongs to flood-discharge tunnel, how to excavate flood-discharge tunnel just into
One of key technical problem urgently to be resolved hurrily is built for flood releasing structure.
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 flood-discharge tunnel and excavation method,
The technical purpose of the excavation of Karst funnel reservoir spillway tunnel can be realized.
To reach above-mentioned purpose, the present invention provides following technical scheme：
Present invention firstly provides a kind of Karst funnel reservoir spillway tunnel, including it is perpendicular in the periphery rock mass of Karst funnel
Well, is provided with intake tunnel, the lower end of the vertical shaft and the day of Karst funnel between the upper end of the vertical shaft and Karst funnel side wall
Water outlet tunnel is provided between right drainage channel.
Further, the delivery port bottom surface elevation of the water outlet tunnel is not less than the elevation of Karst funnel free drainage passage.
The invention also provides a kind of Karst funnel reservoir, including for blocking the storehouse bottom of Karst funnel free drainage passage
Formed for water storage and passed through between the periphery rock mass of the Karst funnel in plugging structure, the storehouse bottom seal structure and portion disposed thereon
The storage area of antiseepage drain process；The intake structure for water intaking, the emptying for being vented storage area are provided with the storage area
Building and Karst funnel reservoir spillway tunnel as described above；The water inlet of the intake tunnel is located at the storehouse bottom seal structure
Top, and ordinary water level elevation of the water inlet elevation less than the storage area of the intake tunnel；The water outlet tunnel goes out
The mouth of a river is located at the lower section of the storehouse bottom seal structure；The emptying building is arranged on the bottom of the storage area, the water intaking
Building is arranged on the middle part of the storage area.
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, and the intake elevation of the intake structure are connected with the intake structure
Between the level of dead water elevation and ordinary water level elevation of the storage area.
The invention also provides a kind of excavation method of Karst funnel reservoir spillway tunnel, comprise the following steps：
1）Excavate intake tunnel：Intake tunnel, and root are excavated by design size using the excavation method of conventional rock hydraulic tunnel
Country rock is reinforced according to actual conditions；
2）Excavate water outlet tunnel：Water outlet tunnel, and root are excavated by design size using the excavation method of conventional rock hydraulic tunnel
Country rock is reinforced according to actual conditions；
3）Excavating shaft mesopore：The position for intending excavating shaft is found in the intake tunnel excavated, and using rig pore-forming side
Method, pore-forming is drilled down into along the axis for intending excavating shaft, until penetrating the water outlet tunnel top surface excavated；
4）Excavating shaft：Since intend excavating shaft position top, from top to bottom excavating shaft until with going out for having excavated
Water tunnel is connected and reaches design requirement, and country rock is reinforced according to actual conditions.
Further, the step 3）In, the diameter of the vertical shaft mesopore determines in order to be slagged tap from hole for principle.
Further, the step 4）In, the waste that excavating shaft is produced is sent to by the vertical shaft mesopore excavated have been excavated
Water outlet tunnel after transport.
The beneficial effects of the present invention are：
The excavation method of the Karst funnel reservoir spillway tunnel of the present invention, first construction shaft mesopore in shaft excavation construction, then entirely
Section excavation vertical shaft, is conducive to the waste of shaft excavation to be transported from the water outlet tunnel excavated, improves vertical excavation construction
Security and economy.
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 three-dimensional construction schematic diagram of the excavation method of Karst funnel reservoir spillway tunnel of the present invention；
Fig. 2 is step 1）Structural representation after excavation；
Fig. 3 is step 2）Structural representation after excavation；
Fig. 4 is step 3）Structural representation after excavation；
Fig. 5 is step 4）Structural representation after excavation；
Fig. 6 is the flow chart of the excavation method of the present embodiment Karst funnel reservoir spillway tunnel.
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, a kind of targeted Karst funnel of the excavation method of the present embodiment Karst funnel reservoir spillway tunnel
Reservoir, including for blocking the storehouse bottom seal structure of Karst funnel free drainage passage, the storehouse bottom seal structure is with being located at it
Formed between the periphery rock mass of the Karst funnel on top for water storage and through the storage area of antiseepage drain process；Set in the storage area
There are the intake structure for water intaking, the emptying building for being vented storage area and the Karst funnel reservoir spillway for flood discharge
Tunnel.The Karst funnel reservoir spillway tunnel of the present embodiment, including the vertical shaft in the periphery rock mass of Karst funnel, it is described perpendicular
Intake tunnel, the lower end of the vertical shaft and the free drainage passage of Karst funnel are provided between the upper end of well and Karst funnel side wall
Between be provided with water outlet tunnel.And the delivery port bottom surface elevation of water outlet tunnel is not less than the elevation of Karst funnel free drainage passage.
The water inlet of the intake tunnel is located at the storehouse bottom seal superstructure, and the water inlet of the intake tunnel is high
Journey is less than the ordinary water level elevation of the storage area；The delivery port of the water outlet tunnel is located under the storehouse bottom seal structure
Side；The emptying building is arranged on the bottom of the storage area, and the intake structure is arranged on the middle part of the storage area.
The water inlet bottom surface elevation for being vented building is equal to or slightly lower than the level of dead water elevation of the storage area.On the intake structure
Be connected with aqueduct, and the intake structure intake elevation be located at the level of dead water elevation of the storage area with it is normal
Between water level elevation.
Specifically, the excavation method of the Karst funnel reservoir spillway tunnel of the present embodiment, comprises the following steps：
1）Excavate intake tunnel：Intake tunnel, and root are excavated by design size using the excavation method of conventional rock hydraulic tunnel
Country rock is reinforced according to actual conditions；
2）Excavate water outlet tunnel：Water outlet tunnel, and root are excavated by design size using the excavation method of conventional rock hydraulic tunnel
Country rock is reinforced according to actual conditions；
3）Excavating shaft mesopore：The position for intending excavating shaft is found in the intake tunnel excavated, and using rig pore-forming side
Method, pore-forming is drilled down into along the axis for intending excavating shaft, until penetrating the water outlet tunnel top surface excavated；The vertical shaft mesopore
Diameter determines in order to be slagged tap from hole for principle；
4）Excavating shaft：Since intend excavating shaft position top, from top to bottom excavating shaft until with going out for having excavated
Water tunnel is connected and reaches design requirement, and country rock is reinforced according to actual conditions；The waste that excavating shaft is produced is by having excavated
Vertical shaft mesopore is transported after being sent to the water outlet tunnel excavated.
In addition, flood-discharge tunnel excavation construction can not block the natural of Karst funnel bottom because of construction interim measure or waste etc.
Drainage channel.
The excavation method of the Karst funnel reservoir spillway tunnel of the present embodiment, in shaft excavation construction in first construction shaft
Hole, then full face tunneling vertical shaft, are conducive to the waste of shaft excavation to be transported from the water outlet tunnel excavated, improve vertical excavation
The security and economy of construction.
Embodiment described above is only the preferred embodiment to absolutely prove the present invention and being lifted, protection model of the invention
Enclose not limited to this.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 (8)
1. a kind of Karst funnel reservoir spillway tunnel, it is characterised in that：Including the vertical shaft in the periphery rock mass of Karst funnel,
Intake tunnel, the lower end of the vertical shaft and the natural row of Karst funnel are provided between the upper end of the vertical shaft and Karst funnel side wall
Water outlet tunnel is provided between aquaporin.
2. Karst funnel reservoir spillway tunnel according to claim 1, it is characterised in that：The delivery port bottom of the water outlet tunnel
Face elevation is not less than the elevation of Karst funnel free drainage passage.
3. a kind of Karst funnel reservoir, it is characterised in that：Including the storehouse bottom seal for blocking Karst funnel free drainage passage
Formed between the periphery rock mass of the Karst funnel in structure, the storehouse bottom seal structure and portion disposed thereon for water storage and through antiseepage
The storage area of drain process；The intake structure for water intaking, the emptying for being vented storage area is provided with the storage area to build
Thing and Karst funnel reservoir spillway tunnel as claimed in claim 1 or 2；The water inlet of the intake tunnel is located at the storehouse underseal
Stifled superstructure, and ordinary water level elevation of the water inlet elevation less than the storage area of the intake tunnel；The water outlet tunnel
The delivery port in hole is located at the lower section of the storehouse bottom seal structure；The emptying building is arranged on the bottom of the storage area, institute
State the middle part that intake structure is arranged on the storage area.
4. Karst funnel reservoir according to claim 3, 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.
5. the Karst funnel reservoir according to claim 3 or 4, it is characterised in that：It is connected with the intake structure
Aqueduct, and the intake elevation of the intake structure is located at level of dead water elevation and the ordinary water level elevation of the storage area
Between.
6. a kind of excavation method of Karst funnel reservoir spillway tunnel as claimed in claim 1 or 2, it is characterised in that：Including such as
Lower step：
1）Excavate intake tunnel：Intake tunnel, and root are excavated by design size using the excavation method of conventional rock hydraulic tunnel
Country rock is reinforced according to actual conditions；
2）Excavate water outlet tunnel：Water outlet tunnel, and root are excavated by design size using the excavation method of conventional rock hydraulic tunnel
Country rock is reinforced according to actual conditions；
3）Excavating shaft mesopore：The position for intending excavating shaft is found in the intake tunnel excavated, and using rig pore-forming side
Method, pore-forming is drilled down into along the axis for intending excavating shaft, until penetrating the water outlet tunnel top surface excavated；
4）Excavating shaft：Since intend excavating shaft position top, from top to bottom excavating shaft until with going out for having excavated
Water tunnel is connected and reaches design requirement, and country rock is reinforced according to actual conditions.
7. the excavation method of Karst funnel reservoir spillway tunnel according to claim 6, it is characterised in that：The step 3）
In, the diameter of the vertical shaft mesopore determines in order to be slagged tap from hole for principle.
8. the excavation method of Karst funnel reservoir spillway tunnel according to claim 7, it is characterised in that：The step 4）
In, the waste that excavating shaft is produced is transported after being sent to the water outlet tunnel excavated by the vertical shaft mesopore excavated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606577.0A CN107190713B (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and flood discharge tunnel and excavation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606577.0A CN107190713B (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and flood discharge tunnel and excavation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107190713A true CN107190713A (en) | 2017-09-22 |
| CN107190713B CN107190713B (en) | 2020-02-14 |
Family
ID=59884032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606577.0A Active CN107190713B (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and flood discharge tunnel and excavation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107190713B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755622A (en) * | 2018-07-25 | 2018-11-06 | 中国水利水电第十四工程局有限公司 | A kind of excavation method of large-diameter circular cartridge type down stream surge-chamber |
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 |
| CN104110012A (en) * | 2014-07-28 | 2014-10-22 | 中国电建集团西北勘测设计研究院有限公司 | Low-permeability rock-fill material concrete panel rock-fill dam |
-
2017
- 2017-07-24 CN CN201710606577.0A patent/CN107190713B/en active Active
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 |
| CN104110012A (en) * | 2014-07-28 | 2014-10-22 | 中国电建集团西北勘测设计研究院有限公司 | Low-permeability rock-fill material concrete panel rock-fill dam |
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", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755622A (en) * | 2018-07-25 | 2018-11-06 | 中国水利水电第十四工程局有限公司 | A kind of excavation method of large-diameter circular cartridge type down stream surge-chamber |
| CN108755622B (en) * | 2018-07-25 | 2023-05-09 | 中国水利水电第十四工程局有限公司 | Excavation method of large-diameter cylindrical tail water pressure regulating chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107190713B (en) | 2020-02-14 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230310 Address after: Room C7-101, Type C R&D and Production Plant, Saville International Enterprise Town, No. 1388, Jingkai Avenue, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province, 330052 Patentee after: Zhongchang Tiangong Survey Group Co.,Ltd. Address before: 400074 Chongqing Jiaotong University, 66 Avenue, Nan'an District, Chongqing Patentee before: CHONGQING JIAOTONG University |
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| TR01 | Transfer of patent right |