CN107858990A - The arrangement of Canyon Area high dam ditch engineering of water treatment - Google Patents
The arrangement of Canyon Area high dam ditch engineering of water treatment Download PDFInfo
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- CN107858990A CN107858990A CN201711330256.9A CN201711330256A CN107858990A CN 107858990 A CN107858990 A CN 107858990A CN 201711330256 A CN201711330256 A CN 201711330256A CN 107858990 A CN107858990 A CN 107858990A
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- scupper
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
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Abstract
Disclosed by the invention is a kind of arrangement and flow-guiding construction method for Canyon Area high dam ditch engineering of water treatment in Hydraulic and Hydro-Power Engineering field, the structure includes the scupper being arranged in blocking dam and massif in river course cheuch, the downstream of blocking dam sets slag tip, the entrance of the scupper is located at blocking dam upstream, outlet is positioned at the downstream of slag tip, also include drainage construction branch hole, the drainage construction branch hole is located at retaining plate downstream, its arrival end is connected with scupper, and the port of export connects with the river course dry ground platform where slag tip.Ditch-water water conservancy diversion construction is carried out using the structure, it can adapt to different magnitude of Flood, overcome the Traditional Thinking that ditch engineering of water treatment is only capable of being constructed in the withered phase, using can be in flood season normal construction the invention enables the blocking dam in ditch engineering of water treatment and scupper, obviously the construction period is shortened, whole slag place can be enabled in advance, and significant economic and social benefit is brought to whole high dam engineering.
Description
Technical field
The present invention relates to Hydraulic and Hydro-Power Engineering field, more particularly to a kind of cloth for Canyon Area high dam ditch engineering of water treatment
Put structure and flow-guiding construction method.
Background technology
At present, more large-scale high dam hydroelectric project is just being built in Southwestern China region high mountain and steep gorge area, such as double Jiangkou, Liang He
Mouth, Ye Batan, white crane beach etc., these engineering construction difficulty are big, build year limit for length, and have substantial amounts of construction waste in engineering construction
Needing to store up or transport, also need to arrange all kinds of construction auxiliary equipment, the available construction site in Dan Jinba areas does not almost have, because
This, only the tributary cheuch by the use of Dam Site blocks ditch type Dumping Sites as large-scale, and then scientific and reasonable ditch must be carried out to cheuch
Water process.
Under normal circumstances, ditch engineering of water treatment must complete the construction of blocking dam and scupper before flood, i.e., construction will be withered
The water phase is carried out, however, scupper is very long in the more high dam engineering in Canyon Area, engineering time length, often as ditch engineering of water treatment
Critical circuits, longer scupper flood goes to and finishes toward being difficult to construction.Simultaneously as river valley is extremely narrow, the construction time is often
Calvert below dam diversion mode can only be taken.Now, if according to traditional design theory, it is necessary to when scupper construction finish water flowing it
Can just pass the flood period water conservancy diversion afterwards, then blocking dam or scupper normally water conservancy diversion can not construct in flood season so that engineering delays a flood season
The even longer time, and then delay the time that slag field enables, whole engineering is caused greatly to lose.
Therefore, there is an urgent need to study it is a kind of can be in the arrangement knot of the Canyon Area high dam ditch engineering of water treatment of flood season normal construction
Structure and flow-guiding construction method, this has great importance for completion time of project urgent high dam hydroelectric project.
The content of the invention
To overcome existing ditch engineering of water treatment diversion mode single, it can not meet that flood season constructs so that engineering delay etc. is no
Foot, the technical problems to be solved by the invention are：There is provided it is a kind of can be in the arrangement knot of the ditch engineering of water treatment of flood season normal construction
Structure and flow-guiding construction method.
The technical solution adopted for the present invention to solve the technical problems is：
The arrangement of Canyon Area high dam ditch engineering of water treatment, including in the blocking dam and massif being arranged in river course cheuch
Scupper, the downstream of blocking dam sets slag tip, and the entrance of the scupper be located at blocking dam upstream, exports and be located at slag tip
Downstream, in addition to drainage construction branch hole, the drainage construction branch hole be located at retaining plate downstream, and its arrival end is connected with scupper
Logical, the port of export connects with the river course dry ground platform where slag tip.
It is further that the bottom of the blocking dam is provided with water conservancy diversion culvert pipe, and the entrance of water conservancy diversion culvert pipe connects with upper river,
Outlet connects with blocking dam downstream river course.
It is further that for the scupper using drainage construction branch hole entrance as separation, upstream portion is scupper top,
Downstream part is scupper bottom, and scupper top cross-sectional area is bigger than scupper bottom cross-sectional area, and drainage construction branch hole is broken
Face area is identical with scupper bottom cross-sectional area, and scupper transition is located at scupper bottom entering close to drainage construction branch hole
Mouth end.
It is further that the scupper bottom is disposed with detachable temporary plugging body close to scupper transition；Row
Water working tunnel arranges permanent occluding body close to arrival end.
The flow-guiding construction method of the arrangement of foregoing Canyon Area high dam ditch engineering of water treatment, including following step
Suddenly：
A, scupper import construction cofferdam is built, ensures that streamflow can not enter in hole, then excavates scupper and row
Water working tunnel；
B, water conservancy diversion culvert pipe under dam is buried in dry season, appropriate location, water conservancy diversion culvert pipe size disclosure satisfy that withered phase design discharge,
Then river closure is carried out, then carries out blocking dam construction and the concreting in scupper top and drainage construction branch hole,
Meet flood season water flowing excessively stream condition, simultaneously complete the concreting of partial drainage hole bottom and export structure, and complete
Temporary plugging body pours；
C, flood season comes interim, and interim flood season water conservancy diversion is formed after connecting merging with drainage construction branch hole using scupper top
Hole, flood now continue from interim flood season diversion tunnel excessively stream and complete the construction of blocking dam and scupper bottom；
D, after flood season great flood, the progress scupper import under small flood discharge of selecting a good opportunity is dammed, current water conservancy diversion under dam
Excessively stream at culvert pipe, now demolition blasting temporary plugging body, and carry out permanent envelope and block up body construction, treats that forever blocking body construction finishes,
Whole scupper possesses excessively stream condition；
E, select a good opportunity and dam before carrying out blocking dam under small flood discharge, current now carry out water conservancy diversion again from scupper excessively stream
The closure of culvert pipe, whole ditch water process engineering construction finish, and slag tip possesses slag condition.
The beneficial effects of the invention are as follows：The present invention is simple in construction, easy for construction, cheap, can adapt to different magnitudes
Flood, the Traditional Thinking that ditch engineering of water treatment is only capable of being constructed in the withered phase is overcome, using the invention enables ditch-water
Blocking dam and scupper in processing engineering can be in flood season normal constructions, it is clear that shorten the construction period, can enable in advance whole
Individual slag place, significant economic and social benefit is brought to whole high dam engineering.In addition, drainage construction branch hole early stage can conduct
The working tunnel of scupper uses, and accelerates scupper construction speed, realizes the multi-purpose effect in a hole.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
It is 1- blocking dams to be marked in figure, 2- scuppers, 3- slag tips, 4- drainage construction branch hole, 5- water conservancy diversion culvert pipe, and 6- faces
When occluding body, the permanent occluding bodies of 7-, 21- scuppers top, 22- scuppers bottom.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the arrangement of the Canyon Area high dam ditch engineering of water treatment of the present invention, including it is arranged on river course cheuch
In blocking dam 1 and massif in scupper 2, the downstream of blocking dam 1 sets slag tip 3, and the entrance of the scupper 2 is positioned at blocking
The upstream of dam 1, positioned at the downstream of slag tip 3, in addition to drainage construction branch hole 4, the drainage construction branch hole 4, which is located at, blocks for outlet
The downstream of plate 1, its arrival end are connected with scupper 2, and the port of export connects with the river course dry ground platform where slag tip 3.
In order to increase the area of slag tip 3, longer scupper 2 is generally required to bypass slag tip 3, and long draining
Hole 2 needs longer construction time again, goes in flood and finishes toward being difficult to construction, simultaneously as river valley is extremely narrow, the construction time is often
Calvert below dam can only be taken to carry out water conservancy diversion, when blocking dam 1 or scupper 2 flood season can not normally water conservancy diversion construction when, work will be caused
Journey delays the even longer time in a flood season, and then delays the time that slag tip 3 enables, and whole engineering is caused greatly to damage
Lose.
The present invention can construct in scupper 2 by setting up a drainage construction branch hole 4 after blocking dam 1 and complete preceding utilize
Drainage construction branch hole 4 carries out flood water conservancy diversion, so as to meet condition that blocking dam 1 and scupper 2 are constructed in flood season, so will
The efficiency of construction of whole engineering is greatly improved, saves engineering cost.
For the ease of the construction of engineering, carry out assisted drainage provided with water conservancy diversion culvert pipe 5 in the bottom of the blocking dam 1, water conservancy diversion is contained
The entrance of pipe 5 connects with upper river, and outlet connects with the downstream river course of blocking dam 1.Water conservancy diversion culvert pipe 5, which is mainly used in blocking dam 1, to be applied
Work and the temporary transient of scupper 2 blocked water, needed to block it after the completion of whole engineering construction, prevented river from leading to
Cross the slag tip that water conservancy diversion culvert pipe 5 enters downstream.
Further, for the scupper 2 using the entrance of drainage construction branch hole 4 as separation, upstream portion is scupper top
21, downstream part is scupper bottom 22, and the cross-sectional area of scupper top 21 is bigger than the cross-sectional area of scupper bottom 22, and draining is applied
The cross-sectional area of work branch hole 4 is identical with the cross-sectional area of scupper bottom 22, and scupper transition is located at scupper bottom 22 close to row
The arrival end of water working tunnel 4.The cross-sectional area of scupper top 21 is larger, be in order to meet the needs of construction diversion before flood, and
Scupper bottom 22 and the cross-sectional area of drainage construction branch hole 4 are then designed according to mean displacement, to save construction cost.
The scupper bottom 22 is disposed with detachable temporary plugging body 6 close to scupper transition；Drainage construction branch
Permanent occluding body 7 is arranged in hole 4 close to arrival end.Temporary plugging body 6 is constructed before arriving in flood season, for preventing water enters from not applying also
The complete scupper bottom 22 of work；After the completion of being constructed when scupper bottom 22, then permanent occluding body 7 is arranged, remove temporary plugging body
6, river is passed through the excessively stream of scupper bottom 22.
The flow-guiding construction method of the arrangement of Canyon Area high dam ditch engineering of water treatment, comprises the following steps：
A, scupper import construction cofferdam is built, ensures that streamflow can not enter in hole, then excavates scupper and row
Water working tunnel；
B, water conservancy diversion culvert pipe under dam is buried in dry season, appropriate location, water conservancy diversion culvert pipe size disclosure satisfy that withered phase design discharge,
Then river closure is carried out, then carries out blocking dam construction and the concreting in scupper top and drainage construction branch hole,
Meet flood season water flowing excessively stream condition, simultaneously complete the concreting of partial drainage hole bottom and export structure, and complete
Temporary plugging body pours；
C, flood season comes interim, and interim flood season water conservancy diversion is formed after connecting merging with drainage construction branch hole using scupper top
Hole, flood now continue from interim flood season diversion tunnel excessively stream and complete the construction of blocking dam and scupper bottom；
D, after flood season great flood, the progress scupper import under small flood discharge of selecting a good opportunity is dammed, current water conservancy diversion under dam
Excessively stream at culvert pipe, now demolition blasting temporary plugging body, and carry out permanent envelope and block up body construction, treats that forever blocking body construction finishes,
Whole scupper possesses excessively stream condition；
E, select a good opportunity and dam before carrying out blocking dam under small flood discharge, current now carry out water conservancy diversion again from scupper excessively stream
The closure of culvert pipe, whole ditch water process engineering construction finish, and slag tip possesses slag condition.
Further illustrated below by specific embodiment.
Embodiment one：
In the ditch engineering of water treatment that certain hydroelectric project needs the progress extra-high rock-fill dams of 300m levels, using the ditch-water of the application
The arrangement of engineering is handled, with reference to blocking dam and scupper construction speed, provides specific flow-guiding construction method, step is such as
Under：
A, in October, 2015 built scupper import construction cofferdam, ensures that streamflow can not enter in hole, then carries out
Scupper and the excavation in drainage construction branch hole；
B, water conservancy diversion culvert pipe under dam is buried in dry season in November, 2015~2016 year April, appropriate location, and culvert pipe size can expire
The withered phase design discharge of foot, then carries out river closure, then carries out blocking dam construction；Complete scupper top and drainage construction branch
The concreting in hole, meet Flood excessively stream condition；The concreting of partial drainage hole bottom and export structure is completed,
And complete pouring for temporary plugging body；
C, flood season in May, 2016~2016 year June, scupper top and drainage construction branch hole are formed temporarily after connecting merging
Flood season diversion tunnel, flood continue from interim flood season diversion tunnel excessively stream and complete blocking dam and scupper in by the end of June, 2016 in
The construction of bottom；
D, after flood season great flood in June, 2016~2016 year July, in August, 2016 is selected a good opportunity and carried out under small flood discharge
Scupper import is dammed, current excessively stream, now demolition blasting temporary plugging body, and carry out permanent envelope and block up at water conservancy diversion culvert pipe under dam
Body construction, treat that forever blocking body construction finishes, whole scupper possesses excessively stream condition；
E, after the completion for the treatment of step construction, select a good opportunity in October, 2016 and dam before carrying out blocking dam under small flood discharge, current
From scupper excessively stream, the closure of water conservancy diversion culvert pipe is now carried out again, and whole ditch water process engineering construction finishes, and slag place possesses heap
Slag condition.
If handling arrangement and flow-guiding construction method according to traditional ditch-water, the dam embankment of engineering is due to can not be after in flood season
Continuous construction, the construction of the withered phase after whole scupper water flowing can only be arranged in, enabling the time of slag place will shift onto 2017 4
Month.If according to mentality of designing of the present invention, blocking dam and scupper in ditch engineering of water treatment can be in flood season normal construction, the works
Journey can enable whole slag place in by the end of October, 2016, it is seen that the invention enables slag place enabling time to be advanced by 6
Month, the construction period is significantly shorten, the significant economic and social benefit engineering is brought to whole high dam engineering.
Claims (5)
1. the arrangement of Canyon Area high dam ditch engineering of water treatment, including the blocking dam (1) and massif being arranged in river course cheuch
In scupper (2), the downstream of blocking dam (1) sets slag tip (3), and the entrance of the scupper (2) is located on blocking dam (1)
Trip, outlet are located at the downstream of slag tip (3), it is characterized in that：Also include drainage construction branch hole (4), the drainage construction branch hole (4)
Positioned at retaining plate (1) downstream, its arrival end is connected with scupper (2), the port of export and the dry Horizon in river course where slag tip (3)
Platform connects.
2. the arrangement of high dam ditch engineering of water treatment in Canyon Area as claimed in claim 1, it is characterized in that：The blocking dam
(1) bottom is provided with water conservancy diversion culvert pipe (5), and the entrance of water conservancy diversion culvert pipe (5) connects with upper river, outlet and blocking dam (1) downstream
River course connects.
3. the arrangement of high dam ditch engineering of water treatment in Canyon Area as claimed in claim 2, it is characterized in that：The scupper
(2) using drainage construction branch hole (4) entrance as separation, upstream portion is scupper top (21), and downstream part is under scupper
Portion (22), scupper top (21) cross-sectional area are bigger than scupper bottom (22) cross-sectional area, drainage construction branch hole (4) section face
Product is identical with scupper bottom (22) cross-sectional area, and scupper transition is located at scupper bottom (22) close to drainage construction branch hole
(4) arrival end.
4. the arrangement of high dam ditch engineering of water treatment in Canyon Area as claimed in claim 3, it is characterized in that：Under the scupper
Portion (22) is disposed with detachable temporary plugging body (6) close to scupper transition；Drainage construction branch hole (4) is close to arrival end cloth
Put permanent occluding body (7).
5. the flow-guiding construction method of the arrangement of high dam ditch engineering of water treatment in Canyon Area as claimed in claim 4, its feature
It is to comprise the following steps：
A, scupper import construction cofferdam is built, ensures that streamflow can not enter in hole, then excavates scupper and draining is applied
Work branch hole；
B, water conservancy diversion culvert pipe under dam is buried in dry season, appropriate location, water conservancy diversion culvert pipe size disclosure satisfy that withered phase design discharge, then
River closure is carried out, then carries out blocking dam construction and the concreting in scupper top and drainage construction branch hole, is met
Flood season water flowing excessively stream condition, the concreting of partial drainage hole bottom and export structure is simultaneously completed, and completed interim
Occluding body pours；
C, flood season comes interim, and interim flood season diversion tunnel is formed after connecting merging with drainage construction branch hole using scupper top, flood
Water now continues from interim flood season diversion tunnel excessively stream and completes the construction of blocking dam and scupper bottom；
D, after flood season great flood, the progress scupper import under small flood discharge of selecting a good opportunity is dammed, current water conservancy diversion culvert pipe under dam
Locate excessively stream, now demolition blasting temporary plugging body, and carry out permanent envelope and block up body construction, treat that forever blocking body construction finishes, entirely
Scupper possesses excessively stream condition；
E, select a good opportunity and dam before carrying out blocking dam under small flood discharge, current now carry out water conservancy diversion culvert pipe again from scupper excessively stream
Closure, whole ditch water process engineering construction finishes, and slag tip possesses slag condition.
Priority Applications (1)
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| CN201711330256.9A CN107858990B (en) | 2017-12-13 | 2017-12-13 | Diversion construction method of arrangement structure of canyon area high dam ditch water treatment engineering |
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| CN201711330256.9A CN107858990B (en) | 2017-12-13 | 2017-12-13 | Diversion construction method of arrangement structure of canyon area high dam ditch water treatment engineering |
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| CN107858990B CN107858990B (en) | 2023-09-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108677892A (en) * | 2018-07-27 | 2018-10-19 | 中国电建集团成都勘测设计研究院有限公司 | Diversion tunnel working tunnel is used as reconstruction structure of the ecology for water hole |
| CN110258469A (en) * | 2019-06-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | The flat system in synthesis field for high-mountain gorge areas construction of hydropower plant |
| CN110258476A (en) * | 2019-06-26 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | High-mountain gorge areas power station ditch water process scupper structure |
| CN114541340A (en) * | 2022-03-14 | 2022-05-27 | 中国恩菲工程技术有限公司 | One-time dam-building tailing pond flood drainage system |
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| CN114541340A (en) * | 2022-03-14 | 2022-05-27 | 中国恩菲工程技术有限公司 | One-time dam-building tailing pond flood drainage system |
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