CN207452924U - A kind of drainage well enclosed construction of pre-buried annulus - Google Patents
A kind of drainage well enclosed construction of pre-buried annulus Download PDFInfo
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- CN207452924U CN207452924U CN201720451047.9U CN201720451047U CN207452924U CN 207452924 U CN207452924 U CN 207452924U CN 201720451047 U CN201720451047 U CN 201720451047U CN 207452924 U CN207452924 U CN 207452924U
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- blind plate
- buried
- drainage well
- annulus
- buried annulus
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Abstract
A kind of drainage well enclosed construction of pre-buried annulus of the utility model, including blind plate, pre-buried annulus, the drainage well inner wall is provided with pre-buried annulus, and the blind plate is arranged on pre-buried annulus, and the pre-buried ring is fixed on sand-free concrete tube.Drainage well outer wall is followed successively by sole plate, waterproof roll, bottom cushion, substrate original soil under upper.Blind plate and the pre-buried annulus groove full weld.Pre-buried annulus is weldingly fixed on sand-free concrete tube.Blind plate top has poured concrete.Be provided among blind plate for during closing and closing after drainage well Yield rainfall relation controlled valve.Controlled valve on blind plate is in off state.Blind plate is located at sole plate layer.A kind of drainage well enclosed construction of the pre-buried annulus of the utility model, it is simple in structure, it is easy for construction, with pre-buried annulus, drainage well precipitation work is carried out using blind plate special tectonic while carrying out full weld with blind plate periphery, blind plate and annulus are subjected in dry environments with reaching.
Description
Technical field
The utility model is related to drainage well enclosed construction fields, and knot is closed more particularly to a kind of drainage well of pre-buried annulus
Structure.
Background technology
With the fast development of Chinese economy, metro industry is maked rapid progress, in being planned in China 12, subway progressively from
Medium-sized city is moved towards in large size city, and subway construction environment also becomes increasingly complex, and has been formed on and subway station is carried out in various stratum
It builds.Before Deep Foundation Pit of Metro Stations excavation, generally use base pit dewatering carrys out consolidated earth mass, to improve soil strength in hole, subtracts
The deflection of few bottom heave and building enclosure.
Drainage well is also a kind of dewatering well, and underground water drainage is the activities such as many underground excavation projects, strip mining transformation engineering
In the set point water level inevitably taken dredge under drop requirement condition constraint, meet the condition of engineering construction requirement, in foundation pit
The dewatering well of interior setting.
Drainage well is prevalent in deep foundation pit precipitation construction.There are prefabricated steel sleeve and methods for conventional closing drainage well way
Blue disk, can occur corrosion under the long-term corrosion function of underground water, and underground water may leak into lacking for basement along prefabricated steel sleeve
Point.
For these reasons, utility model it is a kind of prevent corrosion drainage well enclosed construction it is particularly important.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provide it is a kind of it is simple and reasonable, effectively prevent corrosion
The drainage well enclosed construction of pre-buried annulus.
Technical problem to be solved in the utility model is achieved through the following technical solutions：
A kind of drainage well enclosed construction of the pre-buried annulus of the utility model, including blind plate, pre-buried annulus, the drainage well
Inner wall is provided with pre-buried annulus, and the blind plate is arranged on pre-buried annulus, and the pre-buried ring is fixed on sand-free concrete tube.
Further, the drainage well outer wall is followed successively by sole plate, waterproof roll, bottom cushion, substrate under upper
Original soil.
Further, the blind plate and the pre-buried annulus groove full weld.
Further, the pre-buried annulus is weldingly fixed on sand-free concrete tube.
Further, the blind plate top has poured concrete.
Further, be provided among the blind plate for during closing and closing after drainage well Yield rainfall relation switch valve
Door.
Further, the controlled valve on the blind plate is in off state.
Further, the blind plate is located at sole plate layer.
According to the above aspect of the present invention, the utility model at least has the following advantages：
A kind of drainage well enclosed construction of the pre-buried annulus of the utility model, it is simple in structure, it is easy for construction, with pre-buried circle
Ring carries out drainage well precipitation work while carrying out full weld with blind plate periphery using blind plate special tectonic, to reach in dry ring
Blind plate and annulus are subjected under border, had the characteristics that simultaneously：
1st, prefabricated blind plate has globality, is achieved the effect that using groove full weld completely enclosed；
2nd, using valve precipitation it is subjected to while, constructs in dry environments；
3rd, carry out waterproof on blind plate and casting concrete reaches closed for second time effect.
Above description is only the general introduction of technical solutions of the utility model, in order to better understand the skill of the utility model
Art means, and being practiced according to the content of specification with the preferred embodiment of the utility model and coordinate attached drawing detailed below
It describes in detail bright as after.
Description of the drawings
Fig. 1 is a kind of structure diagram of the drainage well enclosed construction of pre-buried annulus of the utility model；
Fig. 2 is a kind of connection structure of the blind plate with pre-buried annulus of the drainage well enclosed construction of pre-buried annulus shown in FIG. 1
Schematic diagram；
Fig. 3 is a kind of structure diagram of the blind plate of the drainage well enclosed construction of pre-buried annulus shown in FIG. 1.
1st, blind plate；2nd, pre-buried annulus；3rd, sand-free concrete tube；4th, sole plate；5th, waterproof roll；6th, bottom cushion；7、
Substrate original soil；8th, concrete；9th, controlled valve.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to shown in Fig. 1-3, the drainage well enclosed construction of a kind of pre-buried annulus, including blind plate 1, pre-buried annulus 2, drainage
Well inner wall is provided with pre-buried annulus 2, and blind plate 1 is arranged on pre-buried annulus 2, and pre-buried ring 2 is fixed on sand-free concrete tube 3.
Drainage well outer wall is followed successively by sole plate 4, waterproof roll 5, bottom cushion 6, substrate original soil 7 under upper.
Blind plate 1 and pre-buried 2 groove full weld of annulus.
Pre-buried annulus 2 is weldingly fixed on sand-free concrete tube 3.
1 top of blind plate has poured concrete eight.
It is provided with controlled valve 9 among blind plate 1, controlled valve 9 is for drainage well Yield rainfall relation during closing and after closing.
Controlled valve 9 on blind plate 1 is in off state.
Blind plate 1 is located at sole plate layer 4.
The drainage well enclosed construction of a kind of pre-buried annulus of the utility model, including blind plate 1, pre-buried annulus 2, in drainage well
Wall is provided with pre-buried annulus 2, and blind plate 1 is arranged on pre-buried annulus 2, and pre-buried ring 2 is fixed on sand-free concrete tube 3, and blind plate 1 is straight
Footpath is slightly less than drainage well diameter, and blind plate 1 is covered on pre-buried annulus 2.
A kind of drainage well enclosed construction of pre-buried annulus of the utility model, blind plate 1 are covered on pre-buried annulus 2, connected
Place carries out groove full weld and reaches sealing effect.
The drainage well enclosed construction of a kind of pre-buried annulus of the utility model, including blind plate 1, pre-buried annulus 2, in drainage well
Wall is provided with pre-buried annulus 2, and blind plate 1 is arranged on pre-buried annulus 2, and pre-buried ring 2 is fixed on sand-free concrete tube 3.Drainage well
Outer wall is followed successively by sole plate 4, waterproof roll 5, bottom cushion 6, substrate original soil 7 under upper.Blind plate 1 and pre-buried 2 slope of annulus
Mouth full weld.Pre-buried annulus 2 is weldingly fixed on sand-free concrete tube 3.It is set using prefabricated sand-free concrete tube in bottom of foundation ditch
Drainage well is completed to carry out drainage well closure construction after foundation pit is not required to precipitation in construction of bottom plates.
The drainage well enclosed construction of a kind of pre-buried annulus of the utility model, including blind plate 1, pre-buried annulus 2, in drainage well
Wall is provided with pre-buried annulus 2, and blind plate 1 is arranged on pre-buried annulus 2, and pre-buried ring 2 is fixed on sand-free concrete tube 3.Drainage well
Outer wall is followed successively by sole plate 4, waterproof roll 5, bottom cushion 6, substrate original soil 7 under upper.Blind plate 1 and pre-buried 2 slope of annulus
Mouth full weld.Pre-buried annulus 2 is weldingly fixed on sand-free concrete tube 3.1 top of blind plate has poured concrete eight.It is set among blind plate 1
It is equipped with controlled valve 9, controlled valve 9 is for drainage well Yield rainfall relation during closing and after closing.Controlled valve 9 on blind plate 1 is
Closed state.Blind plate 1 is located at sole plate layer 4.Back-plane design waterproof construction is carried out on top and pour coagulation after blind plate closing
Reach closed for second time effect after soil.
A kind of drainage well enclosed construction of the pre-buried annulus of the utility model, by the cooperation of prefabricated annulus 2 and blind plate 1,
With good globality, centre sets controlled valve 9, for drainage well Yield rainfall relation during closing and after closing.
A kind of drainage well enclosed construction of the pre-buried annulus of the utility model, using pre-buried annulus, with blind plate periphery into
Drainage well precipitation work is carried out using blind plate special tectonic while row full weld, to reach in dry environments to blind plate and annulus
It is subjected to.
Valve is closed after the completion of welding, waterproof construction and concreting are carried out to blind plate top.
A kind of drainage well enclosed construction of pre-buried annulus of the utility model has the following advantages：
1st, prefabricated blind plate has globality, is achieved the effect that using groove full weld completely enclosed；
2nd, using valve precipitation it is subjected to while, constructs in dry environments；
3rd, carry out waterproof on blind plate and casting concrete reaches closed for second time effect.
Above description is only the general introduction of technical solutions of the utility model, in order to better understand the skill of the utility model
Art means, and being practiced according to the content of specification with the preferred embodiment of the utility model and coordinate attached drawing detailed below
It describes in detail bright as after.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out several improvement and modification, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (5)
1. the drainage well enclosed construction of a kind of pre-buried annulus, which is characterized in that described to dredge including blind plate (1), pre-buried annulus (2)
Dry-well inner wall is provided with pre-buried annulus (2), and the blind plate (1) is arranged on pre-buried annulus (2), the blind plate (1) with it is described pre-
Annulus (2) groove full weld is buried, the pre-buried annulus (2) is weldingly fixed on sand-free concrete tube (3).
2. the drainage well enclosed construction of a kind of pre-buried annulus according to claim 1, which is characterized in that outside the drainage well
Wall is followed successively by sole plate (4), waterproof roll (5), bottom cushion (6), substrate original soil (7) from top to bottom.
A kind of 3. drainage well enclosed construction of pre-buried annulus according to claim 1, which is characterized in that the blind plate (1)
Top has poured concrete (8).
A kind of 4. drainage well enclosed construction of pre-buried annulus according to claim 1, which is characterized in that the blind plate (1)
Centre be provided with for during closing and closing after drainage well Yield rainfall relation controlled valve (9).
A kind of 5. drainage well enclosed construction of pre-buried annulus according to claim 4, which is characterized in that the blind plate (1)
On controlled valve (9) be in off state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451047.9U CN207452924U (en) | 2017-04-26 | 2017-04-26 | A kind of drainage well enclosed construction of pre-buried annulus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451047.9U CN207452924U (en) | 2017-04-26 | 2017-04-26 | A kind of drainage well enclosed construction of pre-buried annulus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207452924U true CN207452924U (en) | 2018-06-05 |
Family
ID=62247085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720451047.9U Active CN207452924U (en) | 2017-04-26 | 2017-04-26 | A kind of drainage well enclosed construction of pre-buried annulus |
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| CN (1) | CN207452924U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090840A (en) * | 2017-04-26 | 2017-08-25 | 中建三局集团有限公司 | A kind of drainage well closing mode of pre-buried annulus |
| CN114482104A (en) * | 2022-02-21 | 2022-05-13 | 重庆大学 | Prefabricated drainage device capable of automatically reducing underground water level and use method thereof |
-
2017
- 2017-04-26 CN CN201720451047.9U patent/CN207452924U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090840A (en) * | 2017-04-26 | 2017-08-25 | 中建三局集团有限公司 | A kind of drainage well closing mode of pre-buried annulus |
| CN114482104A (en) * | 2022-02-21 | 2022-05-13 | 重庆大学 | Prefabricated drainage device capable of automatically reducing underground water level and use method thereof |
| CN114482104B (en) * | 2022-02-21 | 2024-03-22 | 重庆大学 | Prefabricated drainage device capable of automatically reducing underground water level and application method thereof |
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