CN218265952U - Water stopping device for shield tunnel well joint - Google Patents
Water stopping device for shield tunnel well joint Download PDFInfo
- Publication number
- CN218265952U CN218265952U CN202223072708.7U CN202223072708U CN218265952U CN 218265952 U CN218265952 U CN 218265952U CN 202223072708 U CN202223072708 U CN 202223072708U CN 218265952 U CN218265952 U CN 218265952U
- Authority
- CN
- China
- Prior art keywords
- water stopping
- steel ring
- water
- plate
- pipe
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 238000007569 slipcasting Methods 0.000 claims abstract description 19
- 239000011440 grout Substances 0.000 claims abstract description 8
- 230000005641 tunneling Effects 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a shield constructs tunnel well and connects and use watertight fittings, including the steel ring, steel ring inner arc face interval sets up 3 stagnant water boards, 3 inboard tip of stagnant water board all forms two seal space with the tunnel segment butt, during the inside lining is buried to one side of steel ring, the inside lining is stretched out to the opposite side of steel ring, and the extension is the sleeve, the sleeve inlays in locating the portal structure of working well, the part that stretches out the inside lining on the steel ring is equipped with the slip casting pipe, the outside and two seal space of slip casting pipe intercommunication steel ring, all through slip casting pipe backfill grout in two seal space. The water stopping device is beneficial to the safety of shield starting and receiving, and the problem of water inrush and water gushing at the back of a tunnel segment is prevented; grouting is supplemented to the two sealed spaces through the grouting pipes outside the tunnel, so that the stability of the water stopping device is improved, and the anti-seepage effect is enhanced; and this sealing device need not demolish, and short sleeve part and entrance to a cave concrete placement are in the same place, can effectively reduce shutoff entrance to a cave safety risk, can effectively reduce entrance to a cave seepage quality problem.
Description
Technical Field
The utility model relates to a tunnel construction field, in particular to shield constructs tunnel well and connects and use stagnant water device.
Background
In order to ensure the safety of the shield machine in the using process, a water stopping device is usually arranged at the splicing part of the shield tunnel and the working well so as to ensure the water stopping effect of shield construction and reduce the risk of leakage. At present, a curtain rubber water stopping device is adopted as a water stopping device, the water stopping device bears insufficient grouting pressure, the inner side of the curtain rubber water stopping device is not easy to control when a shield starts, the curtain rubber water stopping device cannot be effectively attached to a shield shell, and the water stopping effect cannot be guaranteed; when the shield is received, the curtain rubber in the curtain rubber water stopping device is sometimes influenced by the operation of the shield machine to be torn, so that muddy water is flushed out.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a shield constructs water stopping device for tunnel well joint.
In order to achieve the purpose, the water stopping device for the shield tunnel well joint comprises a short sleeve type steel ring, wherein 3 water stopping plates are arranged on the inner arc surface of the steel ring at intervals, and are respectively a first water stopping plate, a second water stopping plate and a third water stopping plate which are arranged from near to far along the length direction of the steel ring from the working well,
the end parts of the inner sides of the 3 water stop plates are all abutted against the tunnel pipe sheet, a first sealing space is formed between the first water stop plate and the second water stop plate, a second sealing space is formed between the second water stop plate and the third water stop plate,
the inside lining is buried to one side of steel ring, the opposite side of steel ring stretches out the inside lining, stretch out on the steel ring the part of inside lining is the sleeve, and inlays in the portal structure of locating the working well, stretch out on the steel ring the part of inside lining is equipped with the slip casting pipe, the slip casting pipe intercommunication the outside of steel ring, first confined space, second confined space, first confined space with all pass through in the second confined space the slip casting pipe has backfilled the grout.
In some embodiments, a plurality of grouting pipes are arranged on the steel ring to avoid the highest point and the lowest point on the steel ring.
In some embodiments, a plurality of grout tubes are evenly circumferentially disposed on the steel ring.
In some embodiments, the first water stop plate is perpendicular to the steel ring and the tunnel segment, and the second water stop plate and the third water stop plate are arranged parallel to each other.
In some embodiments, the inner diameters of the second water stop plate and the third water stop plate are smaller than the outer diameter of the tunnel segment, the second water stop plate and the third water stop plate are obliquely arranged, and the oblique direction of the second water stop plate and the third water stop plate corresponds to the tunneling direction of the shield tunneling machine.
In some embodiments, the water stop plate is a watertight steel plate.
In some embodiments, the grouting pipe is a three-way pipe, a pipe body at one end of the grouting pipe extends out of the steel ring, the pipe body at one end of the grouting pipe is arranged in a first sealed space, a pipe body at the other end of the grouting pipe extends into a second sealed space, and the grouting pipes in the first sealed space and the second sealed space are fixedly connected with the steel ring.
In some embodiments, the sleeve and the portal structure are cast in one piece by concrete.
The utility model discloses the shield structure tunnel well that states connects and uses watertight fittings has following advantage:
the steel ring protruding out of the lining part adopts a sleeve design and acts with the whole water stop steel plate, thereby being beneficial to the safety of starting and receiving of the shield and preventing the problem of water inrush due to water inrush at the back of the tunnel segment;
the grouting is supplemented to the first sealing space and the second sealing space through the grouting pipe outside the tunnel, so that the compactness and the effect of the grouting of cement paste can be effectively enhanced, the stability of the water stopping device is improved, and the anti-seepage effect is enhanced;
the utility model discloses well narrated shield tunnel well connects and need not demolish with watertight fittings, and short sleeve part is in the same place with portal concrete placement, can effectively reduce shutoff portal safety risk, can effectively reduce portal seepage quality problems 。
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural view of a water stopping device for shield tunnel well joints according to some embodiments of the present invention;
FIG. 2 is an enlarged view of portion A-a of FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure I-I of FIG. 1;
FIG. 4 is a view from the perspective A of FIG. 3;
fig. 5 is a schematic structural view of a water stopping device for shield tunnel well joints at the beginning of a shield tunneling machine according to some embodiments of the present invention;
fig. 6 is a schematic structural view of a water stopping device for shield tunnel well joints at a receiving position of a shield machine according to some embodiments of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.
With reference to the contents shown in fig. 1 to 6, the embodiment provides a water stopping device for a shield tunnel well joint, which includes a short sleeve type steel ring 601, 3 water stopping plates 602 are arranged at intervals on an inner arc surface of the steel ring 601, and are respectively a first water stopping plate, a second water stopping plate and a third water stopping plate (i.e., the first water stopping plate is closest to the working well 1, the second water stopping plate is the next time, and the third water stopping plate is farthest from the working well 1) arranged from the working well 1 to the far side along the length direction of the steel ring 601, where the 3 water stopping plates 602 and the steel ring 601 are connected by welding or bolts, and the connection mode is the prior art and thus is not described herein;
the end parts of the inner sides of the 3 water stop plates 602 are all abutted with the tunnel segment 4, a first sealing space is formed between the first water stop plate and the second water stop plate, a second sealing space is formed between the second water stop plate and the third water stop plate,
one side of steel ring 601 is buried in inside lining 2, inside lining 2 is stretched out towards the direction at work well 1 place to the opposite side of steel ring 601, the part that stretches out inside lining 2 on the steel ring 601 is the sleeve, and the sleeve inlays in the portal structure 7 of work well 1, the sleeve becomes an organic whole through concrete placement with portal structure 7, the part that stretches out inside lining 2 on the steel ring 601 is equipped with slip casting pipe 603, slip casting pipe 603 communicates the outside of steel ring 601, first confined space, second confined space, all there is grout 5 through slip casting pipe 603 in first confined space and the second confined space.
The outside of inside lining 2 sets up underground wall 3, all fills between tunnel segment 4 and the steel ring 601 outside tunnel segment 4 and the underground wall 3, first confined space and the second confined space by grout 5.
A plurality of grouting pipes 603 are arranged on the steel ring 601 and avoid the highest point and the lowest point on the steel ring 601.
A plurality of grouting pipes 603 are evenly arranged circumferentially on the steel ring 601.
The first water stop plate is perpendicular to the steel ring 601 and the tunnel segment 4, and the second water stop plate and the third water stop plate are arranged in parallel.
The inner diameters of the second water stop plate and the third water stop plate are smaller than the outer diameter of the tunnel segment 4, the second water stop plate and the third water stop plate are arranged in an inclined mode, the inclined direction of the second water stop plate and the inclined direction of the third water stop plate correspond to the tunneling direction of the shield tunneling machine, and the inner edges of the second water stop plate and the second water stop plate are inclined towards the tunneling direction of the shield tunneling machine.
In some specific implementation manners, with reference to the content shown in fig. 5, an included angle between the second water stop plate at the beginning of the shield tunneling machine and the tunnel segment 4 is a °, and a value of a is greater than 60 and smaller than 90; with reference to fig. 6, the angle between the second water stop plate at the receiving position of the shield tunneling machine and the tunnel segment 4 is b °, b is greater than 60 and smaller than 90, and b is smaller than a.
The water stop plate 602 is a water stop steel plate.
A grouting pipe 603 is welded on the steel ring 601, the grouting pipe 603 is a three-way pipe, and a pipe body at one end of the grouting pipe 603 extends out of the steel ring 601 towards the direction of the working well 1 and is connected with grouting equipment; the body of slip casting pipe 603 one end sets up in first confined space, the body of the remaining one end extends to in the second confined space on the slip casting pipe 603, slip casting pipe 603 in first confined space and the second confined space is connected fixedly with steel ring 601, accomplish the purpose of backfilling in leading into first confined space and the second confined space with grout 5 that pours into in the slip casting equipment through the setting of slip casting ring 603, wherein the elbow that connects three body on the slip casting pipe 603 sets up in first confined space, the elbow is electric welding fixed in the sleeve inboard, take to backfill the slip casting after 4 concatenations of tunnel segment are accomplished.
The sleeve with the protruding front end of the water stopping device for the shield tunnel well joint (the front end of the water stopping device for the shield tunnel well joint refers to the end, close to the work inlet, of the front end of the water stopping device for the shield tunnel well joint) and the tunnel portal structure 7 are poured together through concrete, and the sleeve is not required to be removed after being used, so that the safety risk of blocking the tunnel portal can be effectively reduced, and the quality problem of tunnel portal leakage can be effectively reduced.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A water stopping device for a shield tunnel well joint is characterized by comprising a short sleeve type steel ring (601), wherein 3 water stopping plates (602) are arranged on the inner arc surface of the steel ring (601) at intervals and are respectively a first water stopping plate, a second water stopping plate and a third water stopping plate which are arranged from near to far along the length direction of the steel ring (601) according to the distance from a working well (1),
the end parts of the inner sides of the 3 water stop plates (602) are all abutted against the tunnel pipe piece (4), a first sealed space is formed between the first water stop plate and the second water stop plate, a second sealed space is formed between the second water stop plate and the third water stop plate,
the utility model discloses a grout injection well, including steel ring (601), inside lining (2) are buried to one side of steel ring (601), the opposite side of steel ring (601) stretches out inside lining (2), stretch out on steel ring (601) the part of inside lining (2) is the sleeve, and inlays in portal structure (7) of locating working well (1), stretch out on steel ring (601) the part of inside lining (2) is equipped with slip casting pipe (603), slip casting pipe (603) intercommunication outside, first confined space, the second confined space of steel ring (601), first confined space with all pass through in the second confined space slip casting pipe (603) have the backfill grout.
2. The water stopping device for the shield tunnel well joint as recited in claim 1, wherein a plurality of grouting pipes (603) are arranged on the steel ring (601) to avoid the highest point and the lowest point on the steel ring (601).
3. The water stopping device for the shield tunnel well joint according to claim 2, characterized in that a plurality of grouting pipes (603) are uniformly arranged on the steel ring (601) in the circumferential direction.
4. The water stopping device for the shield tunnel well joint according to claim 1, wherein the first water stopping plate is perpendicular to the steel ring (601) and the tunnel segment (4), and the second water stopping plate and the third water stopping plate are arranged in parallel with each other.
5. The water stopping device for the shield tunnel well joint according to claim 4, wherein the inner diameter of the second water stopping plate and the third water stopping plate is smaller than the outer diameter of the tunnel segment (4), the second water stopping plate and the third water stopping plate are obliquely arranged, and the oblique direction of the second water stopping plate and the third water stopping plate corresponds to the tunneling direction of the shield tunneling machine.
6. The water stopping device for shield tunnel well joints according to claim 1, wherein the water stopping plate (602) is a water stopping steel plate.
7. The water stopping device for the shield tunnel well joint according to claim 1, wherein the grouting pipe (603) is a three-way pipe, a pipe body at one end of the grouting pipe (603) extends out of the steel ring (601), the pipe body at one end of the grouting pipe (603) is arranged in a first sealed space, the pipe body at the other end of the grouting pipe (603) extends into a second sealed space, and the grouting pipe (603) in the first sealed space and the second sealed space is fixedly connected with the steel ring (601).
8. The water stopping device for shield tunnel well joints according to claim 7, wherein the sleeve and the portal structure (7) are cast in one piece by concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072708.7U CN218265952U (en) | 2022-11-18 | 2022-11-18 | Water stopping device for shield tunnel well joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072708.7U CN218265952U (en) | 2022-11-18 | 2022-11-18 | Water stopping device for shield tunnel well joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218265952U true CN218265952U (en) | 2023-01-10 |
Family
ID=84754316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223072708.7U Expired - Fee Related CN218265952U (en) | 2022-11-18 | 2022-11-18 | Water stopping device for shield tunnel well joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218265952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2022
- 2022-11-18 CN CN202223072708.7U patent/CN218265952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102661155B (en) | Shield machine synchronous grouting pipeline system and shield machine with same | |
| CN218265952U (en) | Water stopping device for shield tunnel well joint | |
| CN202745404U (en) | External repairing and reinforcing device of reinforced concrete chimney cylinder wall after tapping and sampling | |
| CN108797579A (en) | The attachment device of prefabricated tubular pile and connection method | |
| CN112610755B (en) | Waterproof sleeve for horizontal through-wall pipeline and leakage detection method thereof | |
| CN110822180A (en) | Wall pipe assembly | |
| CN207469277U (en) | The quick slip casting plugging device of diaphram wall leakage point in a kind of foundation pit | |
| CN108808594B (en) | Grouting-sealed cable wall bushing structure and construction method thereof | |
| CN212454444U (en) | Fixing system for supporting rod and preventing pipe piece ring from displacing | |
| CN206429784U (en) | A kind of shield grouting pipe connecting structure | |
| CN211342934U (en) | Grouting leakage plugging equipment for tunnel construction | |
| CN205956550U (en) | Construction flexible slip casting pipe among steel cylinder concrete pipe for method is advanced on top | |
| CN109707337B (en) | Self-traveling slurry stopping device of assembled grouting guide pipe | |
| CN207935591U (en) | A kind of quick coupling device for connecting Grouting Pipe and advanced tubule | |
| CN208122870U (en) | A kind of tunnel grouting conduit sealing structure | |
| CN214303845U (en) | Pipeline extension device and shield tunneling machine in tunneling mode | |
| CN208168878U (en) | A kind of slurry shield originates transition ring structure | |
| CN211285527U (en) | Combined water blocking structure of embedded pressure steel pipe | |
| CN210104595U (en) | Box culvert | |
| CN210370643U (en) | Tunnel portal sealing safety structure | |
| CN113700495A (en) | Shield starting construction tunnel portal sealing device and method | |
| CN110145322B (en) | Grouting tail sleeve device of small-caliber mud-water balance pipe jacking equipment | |
| CN207176693U (en) | A kind of plug for pressure steel pipe of hydropower station grouting construction | |
| CN218375151U (en) | Anti-leakage outer frame connecting piece | |
| CN214273669U (en) | High-sealing deep hole grouting sleeve device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230110 |