CN211174142U - Waterproof structure of shield tunnel and station interface - Google Patents
Waterproof structure of shield tunnel and station interface Download PDFInfo
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- CN211174142U CN211174142U CN201921478023.8U CN201921478023U CN211174142U CN 211174142 U CN211174142 U CN 211174142U CN 201921478023 U CN201921478023 U CN 201921478023U CN 211174142 U CN211174142 U CN 211174142U
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Abstract
The utility model relates to the technical field of rail traffic engineering construction, and discloses a waterproof structure of a shield tunnel and a station interface, wherein an annular interface is formed between a shield segment and a station main body, the waterproof structure comprises a first pre-buried steel plate and a second pre-buried steel plate, the first pre-buried steel plate is arranged on the interface end face of the shield segment, the second pre-buried steel plate is arranged on the interface end face of the station main body, a steel ring plate is welded between the first pre-buried steel plate and the second pre-buried steel plate, a ring beam formed by reinforced concrete is poured in the area enclosed by the first pre-buried steel plate, the second pre-buried steel plate and the steel ring plate, the first pre-buried steel plate, the second pre-buried steel plate and the steel ring plate are respectively welded and fixed with pre-buried steel bars in the ring beam, a grouting steel pipe is arranged in the ring beam, the grouting steel pipe communicates the interior of the station main body with a structural joint, and a second water stop adhesive tape is arranged between the ring beam and the second embedded steel plate. Adopt the utility model has the advantage that water-proof effects is good.
Description
Technical Field
The utility model relates to a track traffic engineering construction technical field especially relates to a shield tunnel and station interface's waterproof construction.
Background
In the underground engineering construction of urban rail transit, the optimization of design, the improvement of material performance and the improvement of construction technology enable a waterproof system to be more and more perfect, and meanwhile, the durability of the structure is also improved; however, the waterproof performance of the interface between the regional tunnel and the station is a major difficulty of the waterproof performance of the subway engineering, and although the regional segment at the tunnel entrance requires full-ring caulking, the structure is often leaked or even repeatedly leaked due to various unstable factors when the shield enters or exits the tunnel.
In the existing waterproof structure of the shield tunnel and station interface, the water is isolated by repeatedly grouting a structural construction joint reserved at the interface through an embedded grouting pipe, a drainage ditch is arranged on the end face of a ring beam to drain the seeped water, however, a plurality of leakage points still often appear at the interface of the tunnel and the station in an actual operation line, the seeped water cannot well flow out from the drainage ditch from the top, the water seepage at the bottom plate position often seeps into the track bed position, the size of the drainage ditch is small, the construction difficulty is large, the post-pouring is usually carried out or not carried out, and the construction joint exists after the post-pouring; in addition, the water that will ooze through the drainage is discharged, and after long-term the use, the width in the route of water seepage flow probably increases gradually, makes in the unable inflow escape canal of water easily, leads to the inside of water seepage to the station, and water-proof effects is poor, and the construction degree of difficulty is big.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the waterproof structure of the shield tunnel and the station interface is good in waterproof effect.
In order to solve the technical problem, the utility model provides a waterproof structure of shield tunnel and station interface, an annular interface is formed between the shield segment and the station main body, which is characterized in that the waterproof structure comprises a first pre-buried steel plate and a second pre-buried steel plate, the first pre-buried steel plate is arranged on the interface end face of the shield segment, the second pre-buried steel plate is arranged on the interface end face of the station main body, a steel ring plate capable of sealing the structural construction joint is welded between the first pre-buried steel plate and the second pre-buried steel plate, a ring beam made of reinforced concrete is poured in the area enclosed by the first pre-buried steel plate, the second pre-buried steel plate and the steel ring plate, the first pre-buried steel plate, the second pre-buried steel plate and the steel ring plate are respectively welded and fixed with pre-buried steel bars in the ring beam, a grouting steel pipe for grouting the structural joint is pre-buried in the ring beam, the grouting steel pipe will the inside of station main part with structural construction joint intercommunication, the ring roof beam with be equipped with first stagnant water adhesive tape between the pre-buried steel sheet of first, the ring roof beam with be equipped with second stagnant water adhesive tape between the pre-buried steel sheet of second.
As the utility model discloses preferred scheme, the pre-buried steel sheet of second is equipped with horizontal crown plate, vertical crown plate and vertical dowel, the horizontal crown plate sets up the horizontal interface terminal surface of station main part, vertical crown plate sets up the vertical interface terminal surface of station main part, vertical dowel welding is in on the horizontal crown plate, vertical crown plate with be equipped with oblique dowel between the vertical dowel, be equipped with the screw hole that can supply the screw to pass on the vertical crown plate.
As the utility model discloses preferred scheme, the station is when the open cut station, be equipped with the waterproof layer between station main part and the envelope, the waterproof layer is close to structural construction seam department is equipped with the waterstop, the waterstop is close to structural construction seam's one end is equipped with the receipts mouth and glues.
As the utility model discloses preferred scheme, the station is when secretly digging the station, the station main part is equipped with the PVC waterproof board with just propping up between, the waterproof layer is close to structural construction seam department is equipped with the waterstop, the waterstop is close to structural construction seam's one end is equipped with the binding off and glues.
As the utility model discloses preferred scheme, station main part and just be equipped with two lining mould between the branch and build waterproof concrete, PVC waterproof board and shotcrete.
As the utility model discloses preferred scheme, the below of the interface terminal surface of shield structure section of jurisdiction is equipped with the water receiving tank.
As a preferable aspect of the present invention, the cross-sectional shape of the ring beam is rectangular.
As the preferred scheme of the utility model, the waterstop is the outer formula waterstop that pastes.
As the utility model discloses preferred scheme, first stagnant water adhesive tape with second stagnant water adhesive tape is water expansibility stagnant water adhesive tape.
The embodiment of the utility model provides a shield tunnel compares with prior art with the waterproof construction of station interface, and its beneficial effect lies in:
the utility model discloses a through the setting of first pre-buried steel sheet, second pre-buried steel sheet, steel ring plate and ring beam, keep apart water completely in the outside of structural construction seam, make water can not leak and get into the inside of station, rethread slip casting steel pipe is to structural construction seam slip casting, crowd the log raft and keep away from the station main part, and water-proof effects is good; wherein, the waterproof effect is further improved in the setting of stagnant water adhesive tape.
Drawings
Fig. 1 is a structural schematic view of a waterproof structure of an open cut station;
fig. 2 is a schematic structural view of a waterproof structure of an underground excavated station;
FIG. 3 is a schematic view of the installation of a ring beam;
FIG. 4 is a schematic structural diagram of a second embedded steel plate;
in the figure, 1, shield segment; 2. a station main body; 3. a first pre-buried steel plate; 4. a second pre-buried steel plate; 5. a steel ring plate; 6. a ring beam; 7. grouting the steel pipe; 8. constructing a joint; 9. a horizontal ring plate; 10. a vertical ring plate; 11. vertical anchor bars; 12. oblique anchor bars; 13 is a waterproof layer; 14 is a waterstop; 15. closing glue; 16. a water receiving tank; 17. an enclosure structure; 18. primary branch; 19. and (4) screw holes.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as being based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, in the preferred embodiment of the waterproof structure of the shield tunnel and station interface according to the preferred embodiment of the present invention, an annular interface is formed between a shield segment 1 and a station main body 2, and the waterproof structure is characterized in that the waterproof structure comprises a first pre-buried steel plate 3 and a second pre-buried steel plate 4, the first pre-buried steel plate 3 is disposed on an interface end face of the shield segment 1, the second pre-buried steel plate 4 is disposed on an interface end face of the station main body 2, a steel ring plate 5 capable of sealing a structural construction joint 8 is welded between the first pre-buried steel plate 3 and the second pre-buried steel plate 4, a ring beam 6 made of reinforced concrete is poured in an area surrounded by the first pre-buried steel plate 3, the second pre-buried steel plate 4 and the steel ring plate 5, the first pre-buried steel plate 3, the second pre-buried steel plate 4 and the steel ring plate 5 are respectively welded and fixed with pre-buried steel bars in the ring beam 6, a grouting steel pipe 7 for grouting the structural construction joint 8 is embedded in the ring beam 6, the grouting steel pipe 7 communicates the interior of the station main body 2 with the structural construction joint 8, a first water-stopping adhesive tape is arranged between the ring beam 6 and the first embedded steel plate 3, and a second water-stopping adhesive tape is arranged between the ring beam 6 and the second embedded steel plate 4; the cross section of the ring beam 6 is rectangular.
For example, as shown in fig. 4, the second pre-buried steel plate 4 is provided with a horizontal ring plate 9, a vertical ring plate 10 and a vertical anchor bar 11, the horizontal ring plate 9 is arranged on a horizontal joint end face of the station main body 2, the vertical ring plate 10 is arranged on a vertical joint end face of the station main body 2, the vertical anchor bar 11 is welded on the horizontal ring plate 9, an inclined anchor bar 12 is arranged between the vertical ring plate 10 and the vertical anchor bar 11, and the vertical ring plate 10 is provided with a screw hole 19 for a screw to pass through; through the setting of oblique dowel 12, make the pre-buried steel sheet 4 of second be the triangle-shaped structure, strengthen the structural stability of the pre-buried steel sheet 4 of second, the pre-buried steel sheet 4 of second passes through the screw fixation on station main part 2, connects more firmly.
Illustratively, when the station is the open cut station, be equipped with waterproof layer 13 between station main part 2 and the envelope 17, waterproof layer 13 is close to structural construction seam 8 department is equipped with waterstop 14, waterstop 14 is close to structural construction seam 8's one end is equipped with the welt gum 15, prevents effectively that water from leaking into the inside of station, plays waterproof effect.
Exemplarily, when the station is for secretly digging the station, be equipped with the PVC waterproof board between station main part 2 and the first 18, waterproof layer 13 is close to 8 departments of structural construction seam are equipped with waterstop 14, waterstop 14 is close to the one end of structural construction seam 8 is equipped with the welt and glues 15, be equipped with two lining mould waterproof concrete, PVC waterproof board and spray concrete between station main part 2 and the first 18, prevent effectively that water from oozing into the inside of station, play waterproof effect.
Illustratively, a water receiving groove 16 is arranged below the interface end face of the shield segment 1, so that the seeped water can be discharged to the water receiving groove 16 to play a secondary waterproof role.
Illustratively, the water stop 14 is an externally attached water stop which has good elasticity, wear resistance, waterproof performance, aging resistance and tear resistance, and can adapt to the expansion and contraction deformation of concrete well and improve the waterproof performance.
Exemplarily, the first water-stopping adhesive tape and the second water-stopping adhesive tape are water-swelling water-stopping adhesive tapes, and the water-swelling water-stopping adhesive tapes can expand and deform 2-3 times after meeting water, fill all irregular surfaces, cavities and gaps of the joint, and generate huge contact pressure to thoroughly prevent water leakage.
To sum up, the embodiment of the utility model provides a waterproof construction of shield tunnel and station interface, it is through the setting of first pre-buried steel sheet 3, second pre-buried steel sheet 4, steel ring plate 5 and ring beam 6, keep apart water outside structural construction joint 8 completely, make water can not leak and get into the inside of station, and then through the slip casting steel pipe 7 to the grouting of structural construction joint 8, crowd the water and keep away from station main part 2, waterproof effect is good, construction convenience; wherein, the waterproof effect is further improved in the setting of stagnant water adhesive tape.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. A waterproof structure of a shield tunnel and a station interface is characterized by comprising a first embedded steel plate and a second embedded steel plate, wherein the first embedded steel plate is arranged on the interface end face of the shield segment, the second embedded steel plate is arranged on the interface end face of the station main body, a steel ring plate capable of sealing a structural construction joint is welded between the first embedded steel plate and the second embedded steel plate, a ring beam formed by reinforced concrete is poured in an area surrounded by the first embedded steel plate, the second embedded steel plate and the steel ring plate, the first embedded steel plate, the second embedded steel plate and the steel ring plate are respectively welded and fixed with embedded steel bars in the ring beam, a grouting steel pipe used for grouting the structural construction joint is embedded in the ring beam, and the grouting steel pipe communicates the inside of the station main body with the structural construction joint, and a first water stop adhesive tape is arranged between the ring beam and the first embedded steel plate, and a second water stop adhesive tape is arranged between the ring beam and the second embedded steel plate.
2. The waterproof structure of the shield tunnel and the station interface as claimed in claim 1, wherein the second pre-buried steel plate is provided with a horizontal ring plate, a vertical ring plate and vertical anchor bars, the horizontal ring plate is arranged on the horizontal interface end face of the station main body, the vertical ring plate is arranged on the vertical interface end face of the station main body, the vertical anchor bars are welded on the horizontal ring plate, oblique anchor bars are arranged between the vertical ring plate and the vertical anchor bars, and screw holes for screws to pass through are arranged on the vertical ring plate.
3. The waterproof structure of the shield tunnel and station interface of claim 1, wherein when the station is an open cut station, a waterproof layer is arranged between the station main body and the enclosure structure, a water stop is arranged at the position of the waterproof layer close to the structural construction joint, and a closing glue is arranged at one end of the water stop close to the structural construction joint.
4. The waterproof structure of a shield tunnel and station interface of claim 1, wherein when the station is a subsurface station, a PVC waterproof board is arranged between the main body of the station and the primary support, a water stop is arranged at a position of the PVC waterproof board close to the structural construction joint, and a closing glue is arranged at one end of the water stop close to the structural construction joint.
5. The waterproof structure of a shield tunnel and station interface of claim 4, wherein two lining forms of waterproof concrete, PVC waterproof board and shotcrete are arranged between the main body of the station and the primary support.
6. The waterproof structure of a shield tunnel and station interface of claim 1, wherein a water receiving groove is provided below the interface end face of the shield segment.
7. The shield tunnel and station interface waterproof structure of claim 1, wherein the cross-sectional shape of the ring beam is rectangular.
8. The waterproof structure of a shield tunnel and station interface of claim 4, wherein the water stop is an externally attached water stop.
9. The waterproof structure of a shield tunnel and station interface of claim 1, wherein the first water-stop adhesive tape and the second water-stop adhesive tape are water-swelling water-stop adhesive tapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478023.8U CN211174142U (en) | 2019-09-05 | 2019-09-05 | Waterproof structure of shield tunnel and station interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478023.8U CN211174142U (en) | 2019-09-05 | 2019-09-05 | Waterproof structure of shield tunnel and station interface |
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| CN211174142U true CN211174142U (en) | 2020-08-04 |
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| CN201921478023.8U Active CN211174142U (en) | 2019-09-05 | 2019-09-05 | Waterproof structure of shield tunnel and station interface |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145198A (en) * | 2020-10-27 | 2020-12-29 | 广州地铁设计研究院股份有限公司 | Drainage structure of shield working well interface and its construction method |
| CN112393027A (en) * | 2020-11-16 | 2021-02-23 | 上海市城市建设设计研究总院（集团）有限公司 | Top pipe hole-entering sealing ring beam structure |
| CN112901220A (en) * | 2021-01-28 | 2021-06-04 | 中铁第一勘察设计院集团有限公司 | Water stopping structure and method for connecting shield arrival ring steel-concrete combined duct piece with tunnel portal |
| CN113373986A (en) * | 2021-06-17 | 2021-09-10 | 中国建筑第八工程局有限公司 | Waterproof structure at joint of open-cut subway station and mine tunnel and construction method thereof |
| CN113389225A (en) * | 2021-05-18 | 2021-09-14 | 中铁五局集团有限公司 | Waterproof structure of side wall and tunnel in subway main structure |
| CN114439487A (en) * | 2022-03-09 | 2022-05-06 | 中铁五局集团第五工程有限责任公司 | Existing shield tunnel connection channel opening construction method |
| CN116537835A (en) * | 2023-05-23 | 2023-08-04 | 中电建十一局工程有限公司 | Detachable tunnel portal sealing steel ring for super-large section rectangular jacking pipe close-fitting construction |
| CN118187897A (en) * | 2024-05-16 | 2024-06-14 | 中铁五局集团第一工程有限责任公司 | Subway shield construction equipment and method for preventing water seepage |
| CN119825429A (en) * | 2025-03-18 | 2025-04-15 | 中铁吉林投资建设有限公司 | Waterproof sealing structure for interface of shield tunnel and subway station and construction method |
| CN120402094A (en) * | 2025-07-01 | 2025-08-01 | 北京交通大学 | A large-diameter slurry shield method for frequent earthquake zones |
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2019
- 2019-09-05 CN CN201921478023.8U patent/CN211174142U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145198A (en) * | 2020-10-27 | 2020-12-29 | 广州地铁设计研究院股份有限公司 | Drainage structure of shield working well interface and its construction method |
| CN112393027A (en) * | 2020-11-16 | 2021-02-23 | 上海市城市建设设计研究总院（集团）有限公司 | Top pipe hole-entering sealing ring beam structure |
| CN112901220A (en) * | 2021-01-28 | 2021-06-04 | 中铁第一勘察设计院集团有限公司 | Water stopping structure and method for connecting shield arrival ring steel-concrete combined duct piece with tunnel portal |
| CN113389225A (en) * | 2021-05-18 | 2021-09-14 | 中铁五局集团有限公司 | Waterproof structure of side wall and tunnel in subway main structure |
| CN113373986A (en) * | 2021-06-17 | 2021-09-10 | 中国建筑第八工程局有限公司 | Waterproof structure at joint of open-cut subway station and mine tunnel and construction method thereof |
| CN114439487A (en) * | 2022-03-09 | 2022-05-06 | 中铁五局集团第五工程有限责任公司 | Existing shield tunnel connection channel opening construction method |
| CN116537835A (en) * | 2023-05-23 | 2023-08-04 | 中电建十一局工程有限公司 | Detachable tunnel portal sealing steel ring for super-large section rectangular jacking pipe close-fitting construction |
| CN118187897A (en) * | 2024-05-16 | 2024-06-14 | 中铁五局集团第一工程有限责任公司 | Subway shield construction equipment and method for preventing water seepage |
| CN119825429A (en) * | 2025-03-18 | 2025-04-15 | 中铁吉林投资建设有限公司 | Waterproof sealing structure for interface of shield tunnel and subway station and construction method |
| CN120402094A (en) * | 2025-07-01 | 2025-08-01 | 北京交通大学 | A large-diameter slurry shield method for frequent earthquake zones |
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