CN109356104A - Temporarily use access gallery structure and its full period construction method - Google Patents
Temporarily use access gallery structure and its full period construction method Download PDFInfo
- Publication number
- CN109356104A CN109356104A CN201811398138.6A CN201811398138A CN109356104A CN 109356104 A CN109356104 A CN 109356104A CN 201811398138 A CN201811398138 A CN 201811398138A CN 109356104 A CN109356104 A CN 109356104A
- Authority
- CN
- China
- Prior art keywords
- gallery
- sealing piece
- keyway
- main body
- port
- 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
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Classifications
-
- 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
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/08—Wall dams
- E02B7/10—Gravity dams, i.e. those in which the weight of the structure prevents overturning
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
Abstract
The present invention discloses a kind of temporarily with access gallery structure and its full period construction method, structure includes gallery main body, it is trapezoidal that gallery main body, which extends to cross sectional shape, gallery main body includes the gallery external port and gallery inner port that both ends open up, gallery external port and gallery inner port are mutually communicated and gallery external port or gallery inner port be mutually communicated to cross sectional shape be rectangle, gallery inner port is communicated with gallery, gallery external port is connected with dam rear platform channel, form the interim safety traffic channel inside and outside dam body, gallery external port or gallery inner port are along four Mondays circle one of sealing piece of each setting, one layer of steel mesh is respectively arranged in gallery main body both walls and top plate, steel mesh includes vertical applied force reinforcing bar and horizontal distribution reinforcing bar interconnected.Method binds side wall and roof steel bar net, buries sealing piece and open up keyway, bring down stocks and check and accept comprising steps of base surface cleaning and surveying and locating, branch stile wall and the scattered steel form of top plate, and casting concrete removes scattered steel form, moisture-keeping maintaining.
Description
Technical field
The invention belongs to what is applied behind hydraulic and hydroelectric engineering field more particularly to a kind of gravity dam dam temporarily to use access gallery
Structure and its full period construction method.
Background technique
In recent decades, RCC dam is quickly grown, and design and construction technology is improved day by day, and tends to be mature.It grinds
Pressure concrete dam is mostly built in the high mountain gorge in river, due to dam foundation, the grout curtain of left and right banks dam abutment, dam body row
Water, operation and maintenance and dam structure form need, and setting irrigation gallery, collector drain and safety monitoring gallery are needed in dam body
Deng, and many gallerys are then merged and play a role；Settable 1 gallery of weir, middle and high settable 2~3 gallerys in dam, even
The irrigation gallery for connecing left and right banks dam abutment is generally all long, and bank slope section slope gallery bottom surface inclination angle is more steep, in design one
As vertical shaft is set in bank slope section, design has ladder or turns ladder in vertical shaft, and high dam is typically provided the horizontal gallery of elevator connection.
Generally in roller compacted concrete Dam early construction, left and right bank inclined slope gallery is not formed completely also or passage has some setbacks,
Carryings and the construction personnel such as especially some grouting mechanical equipments, gallery dredging, construction rubbish, safety monitoring and operation and maintenance
Passage is very inconvenient, in order to solve RCC Dam gallery grouting equipment, monitoring facilities, clear construction rubbish and people
The current inconvenient problem of member, inventor consider that a temporary traffic gallery is arranged in proper site behind left and right banks abutment sections dam,
The access gallery inner port is connected with irrigation gallery in dam or collector drain or access gallery, external port and dam rear platform channel
It is connected, forms the interim exit passageway inside and outside dam body, which waits for selecting a good opportunity before later period dam water storage permanently being blocked.
Summary of the invention
In order to overcome above-mentioned deficiency, the present invention discloses a kind of interim access gallery structure and its full period construction method,
In it is interim with access gallery structure include gallery main body, gallery main body extend to cross sectional shape be it is trapezoidal, gallery main body includes
The gallery external port and gallery inner port that both ends open up, gallery external port and gallery inner port be mutually communicated and gallery external port or
It is rectangle that gallery inner port, which is mutually communicated to cross sectional shape, and gallery inner port is communicated with gallery, after gallery external port and dam
Plate tunnel is connected, and forms the interim safety traffic channel inside and outside dam body, gallery external port or gallery inner port are enclosed along four Mondays
One layer of steel mesh is respectively arranged in respectively one of sealing piece of setting, gallery main body both walls and top plate, and steel mesh includes interconnected perpendicular
To steel bar stress and horizontal distribution reinforcing bar, cover to reinforcement is set on the outside of steel mesh.
Further, one keyway is respectively set to protect in the gallery bottom plate of the gallery main body and gallery side wall sealing piece side
Sealing piece.
Further, the keyway is specifically trapezoidal keyway, and the depth of the keyway is not less than the half of sealing piece width.
Further, the sealing piece is specifically red copper sealing piece.
Further, Edge Distance of the sealing piece apart from gallery external port or gallery inner port is 1m.
Further, which is characterized in that the cover to reinforcement thickness is 10~15cm.
Further, the specification of the vertical applied force reinforcing bar is Φ 25mm or Φ 22mm, and distribution spacing is 20cm or 22cm,
The specification of the horizontal distribution reinforcing bar is Φ 22mm or Φ 20mm, and distribution spacing is 22cm or 25cm.
The interim full period construction method of access gallery structure comprising steps of S1, base surface cleaning and surveying and locating, S2,
Branch stile wall and top plate dissipate steel form, S3, binding side wall and roof steel bar net, S4, embedded sealing piece and open up keyway, S5, clear
S7, storehouse and examination, S6, casting concrete remove scattered steel form, S8, moisture-keeping maintaining, S9, passing through uses, S10, temporary plugging,
S11, permanent closure.
Further, in step S2, abutment wall and top plate dissipate steel form and use P3015 template or P6015 template.
Further, in step S4, the keyway is assembled using plank sheathing.
Further, after step S7, comprehensive dabbing processing is carried out to concrete at keyway.
Further, in step S8 or in step S7-S8 pilot process, using insulation quilt or colour bar cloth to keyway and sealing
Piece carries out covering fixed protection.
The beneficial effects of the present invention are:
The present invention efficiently solves RCC Dam gallery grouting equipment, monitoring facilities, clears construction rubbish and people
The current inconvenient problem of member, improves construction efficiency, accelerates construction speed, and in use in Hydropower Station Construction
Great economic benefit has been played, positive effect has been played centainly.The present invention can also disclose reliable construction for similar engineering
Experience, gallery construction do not account for the straight line duration of pressure main structure, and safe ready fast with speed of application, current, transfer equipment are clear
The advantages that transporting convenient rubbish and reduction construction cost, saves construction cost.
Detailed description of the invention:
Fig. 1 is the schematic top plan view of the invention for temporarily using access gallery structure.
Fig. 2 is that the present invention temporarily extends to schematic cross-section with access gallery structure.
Fig. 3 is of the invention temporarily with access gallery fabric port schematic cross-section.
In figure, 1 is gallery external port；2 be gallery inner port；3 be keyway；4 be sealing piece；5-1 is vertical applied force steel
Muscle；5-2 is horizontal distribution reinforcing bar；6 be downstream dam facing；7 be bottom casting concrete.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention:
As shown in Figure 1-3, temporarily use access gallery structure, including gallery main body, gallery main body extend to cross sectional shape be it is trapezoidal,
Gallery main body includes the gallery external port 1 and gallery inner port 2 that both ends open up, and gallery external port 1 and gallery inner port 2 are mutually passed through
It is rectangle, gallery inner port 2 and gallery phase that logical and gallery external port 1 or gallery inner port 2, which are mutually communicated to cross sectional shape,
Logical, gallery external port 1 is connected with dam rear platform channel, the interim safety traffic channel inside and outside formation dam body, gallery external port 1 or
Gallery inner port 2 encloses one of sealing piece 4 of each setting along four Mondays, and one layer of steel mesh is respectively arranged in gallery main body both walls and top plate,
Steel mesh includes vertical applied force reinforcing bar 5-1 interconnected and horizontal distribution reinforcing bar 5-2, and setting reinforcing bar is protected on the outside of steel mesh
Layer.
Specifically, one keyway 3 is respectively set to protect in the gallery bottom plate of the gallery main body and 4 side of gallery side wall sealing piece
Sealing piece 4 is protected, can prevent from damaging sealing piece 4 during gallery main body is current.
Specifically, the keyway 3 is specifically trapezoidal keyway, and the depth of the keyway 3 is not less than the one of 4 width of sealing piece
Half.
Specifically, the sealing piece 4 is specifically red copper sealing piece.
Specifically, Edge Distance of the sealing piece 4 apart from gallery external port 1 or gallery inner port 2 is 1m.
Specifically, the cover to reinforcement thickness is 10~15cm.
Specifically, the specification of the vertical applied force reinforcing bar 5-1 be Φ 25mm or Φ 22mm, distribution spacing be 20cm or
The specification of 22cm, the horizontal distribution reinforcing bar 5-2 are Φ 22mm or Φ 20mm, and distribution spacing is 22cm or 25cm.
The interim full period construction method of access gallery structure comprising steps of
S1, base surface cleaning and surveying and locating, S2, branch stile wall and top plate dissipate steel form, S3, binding side wall and roof steel bar
S4, net buries sealing piece and opens up keyway, S5, brings down stocks and check and accept, S7, S6, casting concrete remove scattered steel form, S8, guarantor
Wet curing, S9, current use, S10, temporary plugging, S11, permanent closure.
In step S2, abutment wall and top plate dissipate steel form and use P3015 template or P6015 template.
In step S4, the keyway is assembled using plank sheathing.
After step S7, comprehensive dabbing processing is carried out to concrete at keyway.
In step S8 or in step S7-S8 pilot process, keyway and sealing piece are carried out using insulation quilt or colour bar cloth
The fixed protection of covering.
In an implementation, if flood season needs safe flood, this temporarily uses access gallery structure, and no through traffic, can take and grout
Stone or+top grouting progress temporary plugging of laying bricks, carry out dismounting use after flood again；If engineering draws to an end, it is interim this is not needed
When with access gallery structure, it can be used and permanently blocked with dam body with the concrete of strength grade.
It is arranged and is applied successfully in the Pengshui Hydropower Station 3# monolith EL253.6 elevation of Chongqing through the invention, effectively solves
RCC Dam gallery grouting equipment, monitoring facilities clear construction rubbish and the current inconvenient problem of personnel, make
Construction efficiency is improved in, accelerates construction speed, and great economic benefit has been played in Pengshui Hydropower Station engineering construction,
Positive effect has been played centainly, reliable construction experience can be disclosed for similar engineering.
Chongqing Pengshui Hydropower Station 3# monolith EL253.6 elevation be provided with a temporary traffic gallery, solve dam roll it is mixed
In solidifying soil casting process inside and outside dam nearly two year current inconvenient problem, which is 14.0m, width 2.5m,
Inner end grease head highness is 3m, and outer end grease head highness is 3.5m, and bottom plate is level, and top plate tilts, highly from inner end 3.0m gradual change to 3.5m,
Outer end face is overlapped with back side behind dam.
Claims (10)
1. a kind of temporarily use access gallery structure, including gallery main body, which is characterized in that gallery main body extends to cross sectional shape and is
Trapezoidal, gallery main body includes the gallery external port and gallery inner port that both ends open up, and gallery external port and gallery inner port are mutual
It is rectangle, gallery inner port and gallery phase that perforation and gallery external port or gallery inner port, which are mutually communicated to cross sectional shape,
Logical, gallery external port is connected with dam rear platform channel, forms the interim safety traffic channel inside and outside dam body, gallery external port or corridor
Road inner port encloses one of sealing piece of each setting along four Mondays, and one layer of steel mesh, reinforcing bar is respectively arranged in gallery main body both walls and top plate
Net includes vertical applied force reinforcing bar and horizontal distribution reinforcing bar interconnected, and cover to reinforcement is arranged on the outside of steel mesh.
2. according to claim 1 a kind of temporarily with access gallery structure, which is characterized in that in the corridor of the gallery main body
A keyway is arranged respectively to protect sealing piece in road bottom plate and gallery side wall sealing piece side.
3. according to claim 1 a kind of temporarily with access gallery structure, which is characterized in that the keyway is specifically ladder
Shape keyway, the depth of the keyway are not less than the half of sealing piece width.
4. a kind of access gallery structure is temporarily used according to claim 1, which is characterized in that the sealing piece is specifically
Red copper sealing piece.
5. according to claim 1 a kind of temporarily with access gallery structure, which is characterized in that the sealing piece is apart from corridor
The Edge Distance of road external port or gallery inner port is 1m.
6. according to claim 1 a kind of temporarily with access gallery structure, which is characterized in that the cover to reinforcement thickness
For 10~15cm.
7. according to claim 1 a kind of temporarily with access gallery structure, which is characterized in that the vertical applied force reinforcing bar
Specification be Φ 25mm or Φ 22mm, distribution spacing is 20cm or 22cm, and the specification of the horizontal distribution reinforcing bar is Φ 22mm
Or Φ 20mm, distribution spacing are 22cm or 25cm.
8. any interim full period construction method with access gallery structure described in claim 1-7, which is characterized in that including step
Rapid: S1, base surface cleaning and surveying and locating, S2, branch stile wall and top plate dissipate steel form, S3, bind side wall and roof steel bar net,
S4, it buries sealing piece and opens up keyway, S5, bring down stocks and check and accept, S7, S6, casting concrete remove scattered steel form, S8, moisturizing are supported
Shield, S9, current use, S10, temporary plugging, S11, permanent closure.
9. the interim full period construction method with access gallery structure according to claim 8, which is characterized in that step S2
In, abutment wall and top plate dissipate steel form and use P3015 template or P6015 template, and in step S4, the keyway is using plank sheathing spelling
Dress.
10. the interim full period construction method with access gallery structure according to claim 8, which is characterized in that step S7
Afterwards, comprehensive dabbing processing is carried out to concrete at keyway；In step S8 or in step S7-S8 pilot process, using insulation quilt or
Colour bar cloth carries out covering fixed protection to keyway and sealing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398138.6A CN109356104A (en) | 2018-11-22 | 2018-11-22 | Temporarily use access gallery structure and its full period construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398138.6A CN109356104A (en) | 2018-11-22 | 2018-11-22 | Temporarily use access gallery structure and its full period construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109356104A true CN109356104A (en) | 2019-02-19 |
Family
ID=65338420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811398138.6A Pending CN109356104A (en) | 2018-11-22 | 2018-11-22 | Temporarily use access gallery structure and its full period construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356104A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949293A (en) * | 2010-10-09 | 2011-01-19 | 中国水电顾问集团成都勘测设计研究院 | Periphery water stop structure of tunnel plug and setting method thereof |
| CN202530423U (en) * | 2012-03-26 | 2012-11-14 | 中国水电顾问集团成都勘测设计研究院 | Water stop arrangement structure of concrete gravity dam |
| CN203821347U (en) * | 2014-05-08 | 2014-09-10 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Reinforced concrete prefabricated gallery structure of roller compacted concrete dam |
| CN203878533U (en) * | 2014-05-30 | 2014-10-15 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Protection structure of dam body cross joint waterstop |
| CN209652882U (en) * | 2018-11-22 | 2019-11-19 | 中电建十一局工程有限公司 | Temporarily use access gallery structure |
-
2018
- 2018-11-22 CN CN201811398138.6A patent/CN109356104A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949293A (en) * | 2010-10-09 | 2011-01-19 | 中国水电顾问集团成都勘测设计研究院 | Periphery water stop structure of tunnel plug and setting method thereof |
| CN202530423U (en) * | 2012-03-26 | 2012-11-14 | 中国水电顾问集团成都勘测设计研究院 | Water stop arrangement structure of concrete gravity dam |
| CN203821347U (en) * | 2014-05-08 | 2014-09-10 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Reinforced concrete prefabricated gallery structure of roller compacted concrete dam |
| CN203878533U (en) * | 2014-05-30 | 2014-10-15 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Protection structure of dam body cross joint waterstop |
| CN209652882U (en) * | 2018-11-22 | 2019-11-19 | 中电建十一局工程有限公司 | Temporarily use access gallery structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 450001 No. 59 Lianhua street, hi tech Development Zone, Henan, Zhengzhou Applicant after: China Power Construction Eleventh Bureau Engineering Co., Ltd. Applicant after: SINOHYDRO Bureau 11 Co., Ltd. Address before: 450001 No. 59 Lianhua street, hi tech Development Zone, Henan, Zhengzhou Applicant before: China Hydropower eleventh Engineering Bureau (Zhengzhou) Co., Ltd. Applicant before: SINOHYDRO Bureau 11 Co., Ltd. |