CN209429084U - Cavern usual friendship fork structure - Google Patents
Cavern usual friendship fork structure Download PDFInfo
- Publication number
- CN209429084U CN209429084U CN201821926596.8U CN201821926596U CN209429084U CN 209429084 U CN209429084 U CN 209429084U CN 201821926596 U CN201821926596 U CN 201821926596U CN 209429084 U CN209429084 U CN 209429084U
- Authority
- CN
- China
- Prior art keywords
- usual friendship
- fork structure
- temporary diversion
- cavern
- tunnel
- 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.)
- Withdrawn - After Issue
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 17
- 230000006378 damage Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Classifications
-
- 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
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to field of water conservancy, especially a kind of fork structure is simple, the small difficulty of reconstruction project amount is low, it is remarkably improved the cavern usual friendship fork structure of reconstruction working security and simplicity, including temporary diversion hole and permanent tunnel, the temporary diversion hole and permanent tunnel intersect by usual friendship combination fork structure, and temporary diversion hole direction is provided with temporary diversion wall at the structure of usual friendship combination fork, interim rock plug water blocking plug is provided in the permanent tunnel.The utility model is that temporary diversion hole is allowed normally to play corresponding guide functions first, due to being provided with interim rock plug water blocking plug in permanent tunnel, ensure that water flow can not temporarily pass through from permanent tunnel.After reconstruction, only need to simply be constructed, when realize that water flow is flowed out via permanent tunnel, while also achieving the combination in temporary diversion hole and permanent tunnel.The utility model is particularly suitable in the construction scene that the later period needs temporary diversion hole and permanent tunnel to combine.
Description
Technical field
The utility model relates to field of water conservancy, especially a kind of cavern's usual friendship fork structure.
Background technique
In hydraulic and hydroelectric engineering, to make full use of the diversion tunnel temporarily used, often consider it in conjunction with permanent tunnel.It is right
In the usual friendship fork for handing over trouble to combine using plane, generally reconstructed greatly after diversion tunnel use；It is first torn open when reconstruction
Except the diversion tunnel liner structure that early period is formed at fork, explosion is carried out to cavern at fork and is digged, reconnected reinforcing bar and pour permanently
Fork section lining cutting.
But under the mode that existing big reconstruction combines, the former big difficulty of diversion tunnel lining cutting dismounting amount is high；To hole at fork
It is big to the existing building destruction in periphery when room progress explosion digs, and easily cause the safety accidents such as cavern's landslide；Fork section lining cutting
The bodily form is more complex, and linking technique is cumbersome between reinforcing bar connection and New-old concrete, is not easy to guarantee construction quality.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of fork structure is simple, the small difficulty of reconstruction project amount
It is low, it is remarkably improved the cavern usual friendship fork structure of reconstruction working security and simplicity.
The technical scheme adopted by the utility model to solve the technical problem is as follows: cavern usual friendship fork structure, including it is interim
Diversion tunnel and permanent tunnel, the temporary diversion hole and permanent tunnel intersect by usual friendship combination fork structure, the usual friendship
Temporary diversion hole direction is provided with temporary diversion wall in conjunction at the structure of fork, interim rock plug gear is provided in the permanent tunnel
Water blocking head.
Further, being provided with permeable hole on the temporary diversion wall.
Further, the permeable hole is uniformly distributed on temporary diversion wall metope.
Further, the central axis of the permeable hole is vertical with the metope of temporary diversion wall.
Further, the seam face at temporary diversion wall both ends is provided with both ends bituminous coating structure.
Further, the seam face in temporary diversion wall top portion is provided with top bituminous coating structure.
Further, the interim rock plug water blocking plug is set at the updrift side in permanent tunnel.
Further, being provided with permanent lining, secondary lining structure in the structure of usual friendship combination fork.
Further, usual friendship combination fork structure is primary excavation lining cutting molding structure.
Further, the metope in plane where temporary diversion wall and temporary diversion hole is to be coplanar with.
The beneficial effects of the utility model are: the utility model is in actual use, it is to make temporary diversion hole normal first
The corresponding guide functions of performance, at this point, due to the presence of temporary diversion wall, water flow can steadily, smoothly flow to downstream.
And at this time due to being provided with interim rock plug water blocking plug in permanent tunnel, it ensure that water flow temporarily can not be logical from permanent tunnel
It crosses.After reconstruction, i.e., dismountable temporary diversion wall and interim rock plug water blocking plug, at this point, only need to simply be constructed
Shi Shixian water flow is flowed out via permanent tunnel, while also achieving the combination in temporary diversion hole and permanent tunnel.The utility model
It is particularly suitable in the construction scene that the later period needs temporary diversion hole and permanent tunnel to combine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
In the figure, it is marked as permanent tunnel 1, interim rock plug water blocking plug 2, usual friendship combination fork structure 3, permeable hole 5, temporarily
Training wall 6, permanent training wall 7, temporary diversion hole 8, both ends bituminous coating structure 9, top bituminous coating structure 10.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Cavern's usual friendship as shown in Figure 1 and Figure 2 fork structure, including temporary diversion hole 8 and permanent tunnel 1, it is described temporarily to lead
It flows hole 8 and permanent tunnel 1 to intersect by usual friendship combination fork structure 3, along temporary diversion at usual friendship combination fork structure 3
8 direction of hole is provided with temporary diversion wall 6, and interim rock plug water blocking plug 2 is provided in the permanent tunnel 1.
The technological core thought of the utility model is to realize the cavern usual friendship fork structure of " facing combination forever ", wherein " is faced forever
In conjunction with ", refer to permanent building and temporay building in construction and using above making overall plans.In the utility model, since structure is set
Meter it is ingenious, realize temporary diversion hole 8 and permanent tunnel 1 well in construction and using above making overall plans.It is practical new at this
In the scheme of type, firstly, the cavern of usual friendship combination fork structure 3 secondary need not dig, existing effect on building is substantially mitigated,
Working security significantly improves；Secondly, a construction molding may be implemented in the main structure of usual friendship combination fork structure 3, reconstruction
Dismantling concrete amount is few and boundary is controllable, and construction technology is simple, and quality control on construction difficulty significantly reduces；Finally, reconstruction project
Simply, small, easy construction is interfered to constructions such as the plugs of diversion tunnel, coverage ratio is high.In conjunction with actual construction environment condition, generally
The interim rock plug water blocking plug 2 is selected to be set at the updrift side in permanent tunnel 1.It can choose and allow temporary diversion wall institute
Metope in plane 6 with temporary diversion hole 8 is to be coplanar with, thus smooth when guaranteeing water flow flowing.
In order to guarantee the hydraulic pressure relative equilibrium of 6 wall two sides of temporary diversion wall, it is excessive to wall to prevent a side hydraulic pressure
Destruction, meanwhile, also for reduce the later period remove project amount and difficulty of construction, can choose on the temporary diversion wall 6
It is provided with permeable hole 5.As shown in Figure 1, the presence of permeable hole 5 ensure that the hydraulic balance of wall two sides, the work of construction is reduced
Cheng Liang.Generally it is preferred to which the permeable hole 5 is uniformly distributed on 6 metope of temporary diversion wall, to obtain more uniform stress item
Part.It is preferred that the central axis of the permeable hole 5 is vertical with the metope of temporary diversion wall 6, guarantee that influence of the hydraulic pressure to wall is down to
Lowest range.
In order to guarantee the stability of structure when in use, and remove convenient for the later period.It can choose such scheme: interim
The seam face at 6 top of seam face setting both ends bituminous coating structure 9 and temporary diversion wall at 6 both ends of training wall is provided with top drip
Green coating structure 10.
In order to reduce construction in later period amount as far as possible, in conjunction with the technical advantage of the utility model, can choose in the usual friendship
In conjunction with permanent lining, secondary lining structure is arranged in fork structure 3, so that the later period just no longer needs to do corresponding construction when reconstructing.Likewise,
Can choose usual friendship combination fork structure 3 is primary excavation lining cutting molding structure, to improve the efficiency of construction.
It when the structure of the utility model is constructed in the early stage, is can choose first in Diversion Tunnel excavation early period, i.e., by usual friendship
Molding is disposably excavated in conjunction with fork structure 3；And permanent tunnel 1 is excavated into certain length to fork upstream, upstream end is reserved to be faced
Shi Yansai water blocking plug 2 is used as temporary water dash plug；Secondly, usual friendship combination fork is tied in 8 lining cutting of hole of temporary diversion early period
Structure 3 is completed by permanent requirement lining cutting；Sideline is designed along temporary diversion hole 8 at the fork of usual friendship combination fork structure 3 and is arranged
Temporary diversion wall 6 crosses hydraulics requirement during water to meet temporary diversion hole 8, permeable hole 5 is arranged on temporary diversion wall 6, temporarily
Training wall 6 is in addition to bottom plate, equal parting between both ends and top and fork lining cutting, stitches face brushing pitch；8 use of temporary diversion hole terminates
Afterwards, temporary diversion wall 6 is removed along parting face, pours permanent training wall 7；Remove interim rock plug water blocking plug 2, permanent tunnel lining
Directly it is connected with completed fork lining cutting.The small difficulty of the utility model reconstruction project amount is low, is remarkably improved reconstruction construction peace
Full property and simplicity, have very wide market promotion prospect.
Claims (10)
1. cavern usual friendship fork structure, including temporary diversion hole (8) and permanent tunnel (1), it is characterised in that: the temporary diversion
Hole (8) and permanent tunnel (1) intersect by usual friendship combination fork structure (3), and edge is faced at usual friendship combination fork structure (3)
When diversion tunnel (8) direction be provided with temporary diversion wall (6), is provided with interim rock plug water blocking plug in the permanent tunnel (1)
(2)。
2. cavern's usual friendship as described in claim 1 fork structure, it is characterised in that: be provided on the temporary diversion wall (6)
Permeable hole (5).
3. cavern's usual friendship as claimed in claim 2 fork structure, it is characterised in that: the permeable hole (5), which is uniformly distributed in, faces
When training wall (6) metope on.
4. cavern's usual friendship as claimed in claim 2 fork structure, it is characterised in that: the central axis of the permeable hole (5) with
The metope of temporary diversion wall (6) is vertical.
5. cavern's usual friendship as claimed in claim 1 or 2 fork structure, it is characterised in that: the seam face at temporary diversion wall (6) both ends
It is provided with both ends bituminous coating structure (9).
6. cavern's usual friendship as claimed in claim 1 or 2 fork structure, it is characterised in that: the seam face at the top of temporary diversion wall (6)
It is provided with top bituminous coating structure (10).
7. cavern's usual friendship as claimed in claim 1 or 2 fork structure, it is characterised in that: the interim rock plug water blocking plug (2)
It is set at the updrift side in permanent tunnel (1).
8. cavern's usual friendship as claimed in claim 1 or 2 fork structure, it is characterised in that: usual friendship combination fork structure (3)
Inside it is provided with permanent lining, secondary lining structure.
9. cavern's usual friendship as claimed in claim 1 or 2 fork structure, it is characterised in that: usual friendship combination fork structure (3) is one
Secondary excavation lining cutting molding structure.
10. cavern's usual friendship as claimed in claim 1 or 2 fork structure, it is characterised in that: plane where temporary diversion wall (6)
Metope with temporary diversion hole (8) is to be coplanar with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821926596.8U CN209429084U (en) | 2018-11-21 | 2018-11-21 | Cavern usual friendship fork structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821926596.8U CN209429084U (en) | 2018-11-21 | 2018-11-21 | Cavern usual friendship fork structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209429084U true CN209429084U (en) | 2019-09-24 |
Family
ID=67969257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821926596.8U Withdrawn - After Issue CN209429084U (en) | 2018-11-21 | 2018-11-21 | Cavern usual friendship fork structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209429084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356124A (en) * | 2018-11-21 | 2019-02-19 | 中国电建集团成都勘测设计研究院有限公司 | Cavern usual friendship fork structure |
-
2018
- 2018-11-21 CN CN201821926596.8U patent/CN209429084U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356124A (en) * | 2018-11-21 | 2019-02-19 | 中国电建集团成都勘测设计研究院有限公司 | Cavern usual friendship fork structure |
| CN109356124B (en) * | 2018-11-21 | 2023-11-21 | 中国电建集团成都勘测设计研究院有限公司 | Chamber level crossing fork structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190924 Effective date of abandoning: 20231121 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190924 Effective date of abandoning: 20231121 |