CN107761766A - The method that underground power house lower floor collector drain and collector drain also serve as air inlet duct - Google Patents
The method that underground power house lower floor collector drain and collector drain also serve as air inlet duct Download PDFInfo
- Publication number
- CN107761766A CN107761766A CN201711150975.2A CN201711150975A CN107761766A CN 107761766 A CN107761766 A CN 107761766A CN 201711150975 A CN201711150975 A CN 201711150975A CN 107761766 A CN107761766 A CN 107761766A
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- Prior art keywords
- collector drain
- drain
- wind
- tunnel
- power house
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses the method that underground power house lower floor collector drain and collector drain also serve as air inlet duct, collector drain is also served as into wind-tunnel section and carries out tunneling boring concrete lining, the blind material of draining is buried in lining cutting, so that rock mass infiltration is drained into gutter in advance, it transform land drain as mole drain and adds cover plate, the air humidity into blower fan can be reduced.Underground power house collector drain is adjusted arrangement by the present invention, section digs, reduces the engineering measures such as elevation, it is possessed ventilation condition, is realized a hole and is used, and saves construction investment；Outdoor wind after collector drain filters, air themperature is lower, is greatly improved blower fan refrigerating efficiency, energy-conserving and environment-protective.
Description
Technical field
The invention belongs to Hydraulic and Hydro-Power Engineering applied technical field, and in particular to underground chamber, which also serves as, forever enters taking for wind-tunnel
Wind method.
Background technology
In the Design of ventilation of underground power house, in addition to being separately provided into wind-tunnel and air-intake shaft, thrown to save engineering
Money, improve drafting efficiency, it is contemplated that as far as possible using the existing passage in plant area's hinge, such as：Engineering exploration branch hole, construction branch
Hole, the transport external traffic of the underground power house such as hole and outlet hole are as vent passages.
As shown in figure 1, being certain underground power house lower floor collector drain and each cavern's schematic diagram, including enter factory's access tunnel 1, underground
Factory building lower floor collector drain 2, fan house 3, air channel 4, underground chamber 5, factory become transport hole 6, now need to utilize in underground power house
Various caverns are aerated transformation.
The content of the invention
The technical problem to be solved in the present invention is：Underground power house lower floor's collector drain and collector drain and air inlet duct are provided
Method：By the use of underground power house collector drain as air intake passage, air intake requirement is reached by engineering measure, so as to cancel
What is be separately provided enters wind-tunnel or air-intake shaft.
Technical scheme is as follows：
Underground power house lower floor collector drain, including the spray C20 concrete layers set along collector drain abutment wall and vault surface,
The collector drain underplate concrete layer set on collector drain bottom plate, and the gutter between collector drain bottom plate and abutment wall,
Set along the collector drain abutment wall, the spray C20 concrete surfaces of vault and collector drain underplate concrete layer surface
There is the blind material of draining；Concrete lining course is provided with along on the outside of the blind material of the draining；The port of export of the blind material of draining and draining
Ditch connects.
The gutter upper end is provided with drainage ditch cover plate.
The blind material of draining is coated with geotextiles.
Underground power house collector drain also serves as the method into wind-tunnel, comprises the following steps：
Step 1, the elevation of underground power house lower floor collector drain is integrally reduced, select underground power house lower floor collector drain
Consistent with entering wind-tunnel elevation one section as collector drain it is simultaneous enter wind-tunnel；
Step 2, the underground power house lower floor collector drain also served as into wind-tunnel section is digged, it is met air intake wind speed requirement；Step
Rapid three, it is simultaneous to collector drain enter wind-tunnel do spray C20 concrete and suspension roof support processing, along abutment wall and crown arrangement wrapped up geotechnique
The blind material of draining of cloth is simultaneously fixed, and the blind material port of export of draining introduces gutter；
Step 4, it is simultaneous to collector drain enter wind-tunnel surface carry out concrete lining；
Step 5, by collector drain it is simultaneous enter wind-tunnel palisades infiltration introduce the blind material of draining；
Step 6, gutter add drainage ditch cover plate.
The present invention by the use of the collector drain of the underground chamber bottom as air intake passage, air inlet be arranged on collector drain and
Enter factory's access tunnel junction.By changing air intake method, can cancel be separately provided enter wind-tunnel；By transforming collector drain section
Form and drainage pattern etc., its satisfaction is set to take wind requirement.
Compared with prior art, advantages of the present invention is as follows：
(1) underground power house collector drain is adjusted arrangement, section digs, reduces the engineering measures such as elevation, possesses it
Ventilation condition, realize a hole and use, save construction investment；
(2) the outdoor wind after collector drain filters, air themperature is lower, is greatly improved blower fan refrigerating efficiency, section
Can environmental protection；
(3) collector drain is also served as into wind-tunnel section and carries out tunneling boring concrete lining, the blind material of draining is buried in lining cutting, will
Rock mass infiltration is drained to gutter in advance, transform land drain as mole drain and adds cover plate, can reduce into inlet air
The air humidity of machine.
A kind of collector drain of the present invention also serves as the method into wind-tunnel, can replace the wind-tunnel that enters being separately provided, save
Construction investment, the outside air temperature after collector drain filters is lower, can improve blower fan refrigerating efficiency, has the valency promoted
Value.
Brief description of the drawings
Fig. 1 is underground power house lower floor collector drain and each cavern's schematic diagram；
Fig. 2 be underground power house lower floor collector drain it is simultaneous enter wind-tunnel and each cavern's schematic diagram；
Fig. 3 is collector drain sectional drawing；
Fig. 4 be collector drain it is simultaneous enter wind-tunnel sectional drawing；
In figure：1- enters factory's access tunnel, 2- underground power houses lower floor collector drain, 3- fan houses, 4- air channels, 5- underground chambers,
6- factories become transport hole, 7- collector drains it is simultaneous enter wind-tunnel, 8- anchor poles, 9- spray C20 concrete layers, 10- collector drain underplate concretes
Layer, 11- gutters, the blind material of 12- drainings (outsourcing geotextiles), 13- side-top arch concrete lining cutting layers, 14- drainage ditch cover plates.
Embodiment
The arrangement form of the present invention is further described below in conjunction with the accompanying drawings.As shown in figures 1-4, figure is included into factory's traffic
Hole 1, underground power house lower floor collector drain 2, fan house 3, air channel 4, underground chamber 5, factory become transport hole 6, collector drain and air intake
Hole 7, anchor pole 8, spray C20 concrete layers 9, collector drain underplate concrete layer 10, gutter 11, the blind material 12 of draining (outsourcing geotechnique
Cloth), side-top arch concrete lining cutting layer 13,14- drainage ditch cover plates.
The method that underground power house collector drain of the present invention is also served as into wind-tunnel comprises the following steps：
The first step, with reference to the underground power house structure chart in Fig. 1, exist by research than choosing, underground power house lower floor collector drain 2
The elevation of the position of fan house 3 is substantially with entering that wind-tunnel is consistent, by reducing the elevation of underground power house lower floor collector drain 2, to meet
Collector drain it is simultaneous enter wind-tunnel 7 elevation condition, while substitute original enter wind-tunnel arrangement.
Second step, the underground power house lower floor collector drain 2 also served as into wind-tunnel section is digged, it is met air intake wind speed requirement,
Collector drain section is shown in Fig. 3, and the section after digging is shown in Fig. 4.
3rd step, it is simultaneous to underground power house lower floor collector drain enter wind-tunnel 7 do spray C20 concrete and suspension roof support processing, such as
Fig. 3 and Fig. 4, abutment wall and vault are respectively provided with anchor pole 8, while there is provided spray C20 concrete layers 9, are arranged along abutment wall and crown
The blind material 12 of draining of geotextiles and fixed, the blind port of export of the material 12 introducing gutter 11 of draining are wrapped up；
4th step, it is simultaneous to collector drain enter wind-tunnel 7 surface (i.e. hole inner surface, covering draining blind material 12) carry out coagulation
Native lining cutting, form side-top arch concrete lining cutting layer 13；
5th step, by collector drain it is simultaneous enter the infiltration of the palisades of wind-tunnel 7 subdrainage is drained to by the blind material 12 of draining that secretly buries
Ditch 11.
6th step, gutter 11 add drainage ditch cover plate 14, the purpose is to prevent moisture evaporation, reduce the sky into blower fan
Air humidity degree.
By transforming underground chamber lower floor collector drain, it is substituted into wind-tunnel, can be achieved " hole uses ", save engineering
Investment；By expand collector drain it is simultaneous enter wind-tunnel section cross-sectional area, can make into wind tunnel speed meet require；By transforming draining corridor
Road drainage by open canal ditch to underdrain ditch, and to collector drain it is simultaneous enter wind-tunnel surface carry out concrete lining, by collector drain
Palisades infiltration drains into mole drain by the blind material of draining secretly buried, can reduce air humidity.So the underground chamber takes wind side
Method, easily realize, it is easy to spread.
Claims (4)
1. underground power house lower floor collector drain, including the spray C20 concrete layers set along collector drain abutment wall and vault surface
(9) the collector drain underplate concrete layer (10), set on collector drain bottom plate, and between collector drain bottom plate and abutment wall
Gutter (11), it is characterised in that：
Along the collector drain abutment wall, spray C20 concrete layers (9) surface of vault and collector drain underplate concrete layer
(10) surface is provided with the blind material of draining (12)；
Concrete lining course (13) is provided with the outside of along the blind material of the draining (12)；
The port of export of the blind material of draining (12) connects with gutter (11).
2. underground power house collector drain according to claim 1, it is characterised in that：Gutter (11) upper end is provided with
Drainage ditch cover plate (14).
3. underground power house collector drain according to claim 1, it is characterised in that：The blind material of draining (12) the surface parcel
There are geotextiles.
4. underground power house collector drain also serves as the method into wind-tunnel, it is characterised in that comprises the following steps：
Step 1, the elevation of underground power house lower floor collector drain (2) is integrally reduced, select one section consistent with entering wind-tunnel elevation
As collector drain it is simultaneous enter wind-tunnel (7)；
Step 2, the underground power house lower floor collector drain (2) also served as into wind-tunnel section is digged, it is met air intake wind speed requirement；
Step 3, it is simultaneous to collector drain enter wind-tunnel (7) do spray C20 concrete and suspension roof support processing, arranged along abutment wall and crown
The blind material of draining (12) of geotextiles and fixed, the blind material of draining (12) port of export introducing gutter (11) are wrapped up；
Step 4, it is simultaneous to collector drain enter wind-tunnel (7) surface carry out concrete lining；
Step 5, by collector drain it is simultaneous enter wind-tunnel (7) palisades infiltration introduce the blind material of draining (12)；
Step 6, gutter (11) add drainage ditch cover plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711150975.2A CN107761766B (en) | 2017-11-18 | 2017-11-18 | Underground workshop lower drainage gallery and method for using drainage gallery as air inlet gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711150975.2A CN107761766B (en) | 2017-11-18 | 2017-11-18 | Underground workshop lower drainage gallery and method for using drainage gallery as air inlet gallery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107761766A true CN107761766A (en) | 2018-03-06 |
| CN107761766B CN107761766B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711150975.2A Active CN107761766B (en) | 2017-11-18 | 2017-11-18 | Underground workshop lower drainage gallery and method for using drainage gallery as air inlet gallery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266124A (en) * | 2021-04-16 | 2021-08-17 | 华东勘测设计院(福建)有限公司 | Smoke exhaust shaft structure and construction method thereof |
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| DE20207226U1 (en) * | 2002-05-07 | 2002-08-14 | Vws Vertriebsgmbh | sealing system |
| CN204326032U (en) * | 2014-12-10 | 2015-05-13 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of concrete dam internal drainage gallery structure |
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2017
- 2017-11-18 CN CN201711150975.2A patent/CN107761766B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE20207226U1 (en) * | 2002-05-07 | 2002-08-14 | Vws Vertriebsgmbh | sealing system |
| CN204326032U (en) * | 2014-12-10 | 2015-05-13 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of concrete dam internal drainage gallery structure |
| CN204551367U (en) * | 2014-12-26 | 2015-08-12 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of low discharge rock matter drainage tunnel structure |
| CN206512690U (en) * | 2017-01-09 | 2017-09-22 | 中国电建集团中南勘测设计研究院有限公司 | A kind of new gallery |
| CN207525861U (en) * | 2017-11-18 | 2018-06-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of underground power house lower floor collector drain |
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| 刘郁子等: "天荒坪抽水蓄能电站地下洞室群排水系统设计", 《水力发电》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266124A (en) * | 2021-04-16 | 2021-08-17 | 华东勘测设计院(福建)有限公司 | Smoke exhaust shaft structure and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN107761766B (en) | 2022-06-21 |
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