CN209652882U - Temporarily use access gallery structure - Google Patents
Temporarily use access gallery structure Download PDFInfo
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- CN209652882U CN209652882U CN201821931100.6U CN201821931100U CN209652882U CN 209652882 U CN209652882 U CN 209652882U CN 201821931100 U CN201821931100 U CN 201821931100U CN 209652882 U CN209652882 U CN 209652882U
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- gallery
- port
- main body
- external port
- sealing piece
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Abstract
The utility model provides a kind of temporarily with access gallery structure, including 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, cover to reinforcement is set on the outside of steel mesh.The utility model mainly solves the problems, such as RCC Dam gallery grouting equipment, monitoring facilities, clears construction rubbish and the current inconvenience of personnel.
Description
Technical field
The utility model belong to behind hydraulic and hydroelectric engineering field more particularly to a kind of gravity dam dam apply temporarily use traffic
Gallery structure.
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 utility model provides a kind of temporarily with access gallery structure, including gallery main body, corridor
Road 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 are mutually communicated and gallery external port or gallery inner port be mutually communicated to cross sectional shape be rectangle, corridor
Road inner port is communicated with gallery, and gallery external port is connected with dam rear platform channel, and the interim safety formed inside and outside dam body is handed over
Circulation passage, gallery external port or gallery inner port enclose one of sealing piece of each setting, gallery main body both walls and top plate along four Mondays
Respectively one layer of steel mesh of setting, steel mesh include vertical applied force reinforcing bar and horizontal distribution reinforcing bar interconnected, are set on the outside of steel mesh
Set cover to reinforcement.
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 beneficial effects of the utility model are:
The utility model efficiently solves RCC Dam gallery grouting equipment, monitoring facilities, clears construction
Rubbish and the current inconvenient problem of personnel, improve construction efficiency, accelerate construction speed, and in use in power station work
Great economic benefit has been played in Cheng Jianshe, has played centainly positive effect.The utility model can also mention for similar engineering
For reliable construction experience, gallery construction does not account for the straight line duration of pressure main structure, secure side fast with speed of application, current
Just, transfer equipment clear and remove refuse it is convenient and reduce construction cost the advantages that, save construction cost.
Detailed description of the invention:
Fig. 1 is the top view that the utility model temporarily uses access gallery structure.
Fig. 2 is that the utility model temporarily extends to schematic cross-section with access gallery structure.
Fig. 3 is the port cross-sectional schematic diagram that the utility model temporarily uses access gallery structure.
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 utility model:
As shown in Figure 1-3, temporarily access gallery structure, including gallery main body, gallery main body is used to extend to cross sectional shape and be
Trapezoidal, gallery main body includes the gallery external port 1 and gallery inner port 2 that both ends open up, gallery external port 1 and gallery inner port 2
Be mutually communicated and gallery external port 1 or gallery inner port 2 to be mutually communicated to cross sectional shape be rectangle, in gallery inner port 2 and dam
Gallery communicates, and gallery external port 1 is connected with dam rear platform channel, the interim safety traffic channel inside and outside formation dam body, outside gallery
Along four Mondays circle one of sealing piece 4 of each setting, gallery main body both walls and top plate are respectively arranged one layer for port 1 or gallery inner port 2
Steel mesh, steel mesh include vertical applied force reinforcing bar 5-1 interconnected and horizontal distribution reinforcing bar 5-2, and steel is arranged on the outside of steel mesh
Tendon protective 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.
It is arranged and is applied successfully in the Pengshui Hydropower Station 3# monolith EL253.6 elevation of Chongqing by the utility model, 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 provided 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.
Temporarily with the method in the construction of the full period 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 top plate steel
S4, muscle net buries sealing piece and opens up keyway, S5, brings down stocks and check and accept, S6, casting concrete, S7, the scattered steel form of dismounting, S8,
Moisture-keeping maintaining, 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.
Claims (7)
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 2 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821931100.6U CN209652882U (en) | 2018-11-22 | 2018-11-22 | Temporarily use access gallery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821931100.6U CN209652882U (en) | 2018-11-22 | 2018-11-22 | Temporarily use access gallery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209652882U true CN209652882U (en) | 2019-11-19 |
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ID=68506629
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821931100.6U Active CN209652882U (en) | 2018-11-22 | 2018-11-22 | Temporarily use access gallery structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN209652882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356104A (en) * | 2018-11-22 | 2019-02-19 | 中水电第十工程局（郑州）有限公司 | Temporarily use access gallery structure and its full period construction method |
-
2018
- 2018-11-22 CN CN201821931100.6U patent/CN209652882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356104A (en) * | 2018-11-22 | 2019-02-19 | 中水电第十工程局（郑州）有限公司 | Temporarily use access gallery structure and its full period construction method |
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