CN110258468A - Sand structure is blocked in hydraulic tunnel - Google Patents
Sand structure is blocked in hydraulic tunnel Download PDFInfo
- Publication number
- CN110258468A CN110258468A CN201910605078.9A CN201910605078A CN110258468A CN 110258468 A CN110258468 A CN 110258468A CN 201910605078 A CN201910605078 A CN 201910605078A CN 110258468 A CN110258468 A CN 110258468A
- Authority
- CN
- China
- Prior art keywords
- hydraulic tunnel
- sand structure
- blocking
- sand
- 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.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 16
- 239000004576 sand Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to water conservancy and hydropower hydraulic tunnel fields, lower realize of especially a kind of engineering cost blocks sand structure in the hydraulic tunnel that silt, stone obstruct in hydraulic tunnel, including hydraulic tunnel, bottom in the hydraulic tunnel, which is provided with, blocks sand structure, wherein, described to block sand structure hydraulic tunnel bottom is fixedly installed on by steel mesh.In actual use, the flowing of water flow can carry certain silt, stone toward downstream flow.It is directly intercepted immediately after encountering and blocking sand structure designed by the present invention, so that being effectively reduced runtime silt, stone etc. is directly entered unit.It is of the present invention to block sand structure hydraulic tunnel bottom is fixedly installed on by steel mesh, therefore, there is very high structural stability, thus while guaranteeing effectively to intercept, also due to simplifying for constructing structure and greatly reduce engineering cost, be a kind of more economical reasonable engineering measure.It is particularly suitable for blocking in sand engineering in hydraulic tunnel.
Description
Technical field
The present invention relates to water conservancy and hydropower hydraulic tunnel field, sand structure is blocked in especially a kind of hydraulic tunnel.
Background technique
In field of water conservancy, hydraulic tunnel often has certain length, and silt, stone and hole have been easy in operational process
Interior chip off-falling etc. enters turbine-generator units, influences the safety of unit, is directly entered unit to reduce runtime silt, stone etc.,
It is frequently necessary to the setting in the tunnel before water flow enters unit and blocks sand structure.In practical projects, due to landform, geological conditions
Difference need to take different patterns.Conventional mode such as collects stone pit.Some engineerings can bring one using conventional support pattern
A little technologies, economically the problem of, therefore, such problems is faced, so that being badly in need of when blocking sand design using more economical reasonable
Engineering measure.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of engineering cost it is lower realize to silt in hydraulic tunnel,
Sand structure is blocked in the hydraulic tunnel that stone stops.
The technical solution adopted by the present invention to solve the technical problems is: sand structure, including water conservancy project tunnel are blocked in hydraulic tunnel
Hole, the bottom in the hydraulic tunnel, which is provided with, blocks sand structure, wherein the sand structure of blocking is fixedly installed on by steel mesh
Hydraulic tunnel bottom.
Further, the upstream edge for blocking sand structure is vertical with water (flow) direction.
Further, the downstream side for blocking sand structure is slope.
Further, the top surface for blocking sand structure is parallel to the horizontal plane.
Further, the sand structure of blocking is concrete structure.
Further, the sand inside configuration of blocking is provided with reinforcing bar web frame.
Further, the bottom in the hydraulic tunnel, which is provided at least one, blocks sand structure.
The beneficial effects of the present invention are: in actual use, the flowing of water flow can carry certain silt, stone toward downstream
Flowing.It is directly intercepted immediately after encountering and blocking sand structure designed by the present invention, to be effectively reduced runtime mud
Sand, stone etc. are directly entered unit.It blocks sand structure due to of the present invention water conservancy project tunnel is fixedly installed on by steel mesh
Therefore hole bottom has very high structural stability, thus while guaranteeing effectively to intercept, also due to the letter of constructing structure
Change and greatly reduce engineering cost, is a kind of more economical reasonable engineering measure.Present invention is particularly suitable in hydraulic tunnel
Block in sand engineering.
Detailed description of the invention
Fig. 1 is hydraulic tunnel of the invention and the cross-sectional structure schematic diagram for blocking sand structure.
Fig. 2 is hydraulic tunnel of the invention and blocks sand structure along the cross-sectional view of central axial direction.
In the figure, it is marked as hydraulic tunnel 1, blocking sand structure 2, upstream edge 21, downstream side 22, steel mesh 3, water (flow) direction 4.
Specific embodiment
The following further describes the present invention with reference to the drawings.
Sand structure, including hydraulic tunnel 1, the bottom in the hydraulic tunnel 1 are blocked in hydraulic tunnel as shown in Figure 1 and Figure 2
It is provided with and blocks sand structure 2, wherein is described to block sand structure 21 bottom of hydraulic tunnel is fixedly installed on by steel mesh 3.
Block sand structure in designed hydraulic tunnel through the invention, effective solution silt, stone etc. are to engineering
Safe bring adverse effect, to reduce engineering risk.In addition, this sand structure of blocking is not only easy for construction, but also saves
The project amount of construction, effectively reduces construction investment, market promotion prospect is very wide.In the general hydraulic tunnel 1
Bottom be provided at least one and block sand structure 2, specific arrangement is flexibly chosen according to actual needs.
Effect is blocked to silt, stone in order to optimize, so that the effect for blocking sand structure 2 is preferably played, such as Fig. 2 institute
Show, the preferably described upstream edge 21 for blocking sand structure 2 is vertical with water (flow) direction, and such design can be very good to intercept with water flow side
To 4 and the silt, the stone that come, and effectively silt, stone are intercepted in 21 side of upstream edge, allow silt, stone will not be with
4 flow further downstream of water (flow) direction.
In order to preferably guide the smooth flow of water flow, as shown in Fig. 2, can choose such scheme: described to block sand knot
The downstream side 22 of structure 2 is slope.Downstream side 22 can be very good to reduce for slope blocks sand structure 2 to the resistance of water flow, to draw
Water guide stream more smoothly flow to downstream.Based on same thought, as shown in Fig. 2, can the preferably described top surface for blocking sand structure 2
It is parallel to the horizontal plane, to guarantee the stabilization of water flow when water flow crosses and blocks sand 2 top surface of structure.
In order to strengthen the structural strength for blocking sand structure 2, so that preferably Littoral Barrier, stone, can choose and described block sand
Structure 2 is concrete structure, to can also have very long service life in the shock by silt, stone and intercept steady
It is qualitative.Furthermore it is also possible to which blocking sand structure 2 described in further preferably is internally provided with reinforcing bar web frame, thus reinforced structure intensity.
Claims (7)
1. blocking sand structure in hydraulic tunnel, including hydraulic tunnel (1), it is characterised in that: the bottom in the hydraulic tunnel (1) is set
It is equipped with and blocks sand structure (2), wherein is described to block sand structure (2) hydraulic tunnel (1) bottom is fixedly installed on by steel mesh (3).
2. blocking sand structure in hydraulic tunnel as described in claim 1, it is characterised in that: the upstream edge for blocking sand structure (2)
(21) vertical with water (flow) direction.
3. blocking sand structure in hydraulic tunnel as claimed in claim 1 or 2, it is characterised in that: the downstream for blocking sand structure (2)
Side (22) is slope.
4. blocking sand structure in hydraulic tunnel as claimed in claim 1 or 2, it is characterised in that: the top surface for blocking sand structure (2)
It is parallel to the horizontal plane.
5. blocking sand structure in hydraulic tunnel as claimed in claim 1 or 2, it is characterised in that: described block sand structure (2) are coagulation
Soil structure.
6. blocking sand structure in hydraulic tunnel as claimed in claim 1 or 2, it is characterised in that: described block sets inside sand structure (2)
It is equipped with reinforcing bar web frame.
7. blocking sand structure in hydraulic tunnel as claimed in claim 1 or 2, it is characterised in that: the bottom in the hydraulic tunnel (1)
Portion is provided at least one and blocks sand structure (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605078.9A CN110258468A (en) | 2019-07-05 | 2019-07-05 | Sand structure is blocked in hydraulic tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605078.9A CN110258468A (en) | 2019-07-05 | 2019-07-05 | Sand structure is blocked in hydraulic tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110258468A true CN110258468A (en) | 2019-09-20 |
Family
ID=67924608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910605078.9A Pending CN110258468A (en) | 2019-07-05 | 2019-07-05 | Sand structure is blocked in hydraulic tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110258468A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944507A (en) * | 2021-10-08 | 2022-01-18 | 中铁十九局集团第三工程有限公司 | Water retaining device used in construction tunnel |
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|---|---|---|---|---|
| JP2004316081A (en) * | 2003-04-11 | 2004-11-11 | Sabo Jisuberi Gijutsu Center | Mudflow type debris flow catching erosion control dam |
| JP2005016211A (en) * | 2003-06-27 | 2005-01-20 | Ishikawajima Transport Machinery Co Ltd | Check dam |
| CN201598620U (en) * | 2009-11-12 | 2010-10-06 | 中国水电顾问集团华东勘测设计研究院 | Inverted-L sediment retaining weir structure |
| CN202830887U (en) * | 2012-07-25 | 2013-03-27 | 中国水电顾问集团华东勘测设计研究院 | Adhering-free sewage cleaning and stopping structure |
| CN203021973U (en) * | 2012-12-14 | 2013-06-26 | 中国水电顾问集团成都勘测设计研究院 | Sand intercepting groove |
| CN103882838A (en) * | 2014-02-27 | 2014-06-25 | 黄河水利委员会黄河水利科学研究院 | Sediment releasing method for water intake of low-head river channel pivotal power station |
| CN104099908A (en) * | 2014-07-31 | 2014-10-15 | 中国电建集团成都勘测设计研究院有限公司 | Gravity type sand obstructing and guiding structure |
| CN203977377U (en) * | 2014-07-31 | 2014-12-03 | 中国电建集团成都勘测设计研究院有限公司 | Sediment trapping training for sediment structure |
| CN106869090A (en) * | 2017-03-24 | 2017-06-20 | 武汉大学 | Dreg-blocking board sub-assembly and diversion tunnel debris retaining Slagoff method |
| CN210262961U (en) * | 2019-07-05 | 2020-04-07 | 中国电建集团成都勘测设计研究院有限公司 | Sand blocking structure in hydraulic tunnel |
-
2019
- 2019-07-05 CN CN201910605078.9A patent/CN110258468A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004316081A (en) * | 2003-04-11 | 2004-11-11 | Sabo Jisuberi Gijutsu Center | Mudflow type debris flow catching erosion control dam |
| JP2005016211A (en) * | 2003-06-27 | 2005-01-20 | Ishikawajima Transport Machinery Co Ltd | Check dam |
| CN201598620U (en) * | 2009-11-12 | 2010-10-06 | 中国水电顾问集团华东勘测设计研究院 | Inverted-L sediment retaining weir structure |
| CN202830887U (en) * | 2012-07-25 | 2013-03-27 | 中国水电顾问集团华东勘测设计研究院 | Adhering-free sewage cleaning and stopping structure |
| CN203021973U (en) * | 2012-12-14 | 2013-06-26 | 中国水电顾问集团成都勘测设计研究院 | Sand intercepting groove |
| CN103882838A (en) * | 2014-02-27 | 2014-06-25 | 黄河水利委员会黄河水利科学研究院 | Sediment releasing method for water intake of low-head river channel pivotal power station |
| CN104099908A (en) * | 2014-07-31 | 2014-10-15 | 中国电建集团成都勘测设计研究院有限公司 | Gravity type sand obstructing and guiding structure |
| CN203977377U (en) * | 2014-07-31 | 2014-12-03 | 中国电建集团成都勘测设计研究院有限公司 | Sediment trapping training for sediment structure |
| CN106869090A (en) * | 2017-03-24 | 2017-06-20 | 武汉大学 | Dreg-blocking board sub-assembly and diversion tunnel debris retaining Slagoff method |
| CN210262961U (en) * | 2019-07-05 | 2020-04-07 | 中国电建集团成都勘测设计研究院有限公司 | Sand blocking structure in hydraulic tunnel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944507A (en) * | 2021-10-08 | 2022-01-18 | 中铁十九局集团第三工程有限公司 | Water retaining device used in construction tunnel |
| CN113944507B (en) * | 2021-10-08 | 2024-04-30 | 中铁十九局集团第三工程有限公司 | Water blocking device used in construction tunnel |
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