CN113638749B - Tunnel deformation joint self-drainage embedded water stop and method - Google Patents
Tunnel deformation joint self-drainage embedded water stop and method Download PDFInfo
- Publication number
- CN113638749B CN113638749B CN202110706676.2A CN202110706676A CN113638749B CN 113638749 B CN113638749 B CN 113638749B CN 202110706676 A CN202110706676 A CN 202110706676A CN 113638749 B CN113638749 B CN 113638749B
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- Prior art keywords
- water
- water stop
- belt
- wing
- draining
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 215
- 238000000034 method Methods 0.000 title claims abstract description 7
- 230000000717 retained effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 10
- 239000012466 permeate Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Abstract
The invention provides a buried water stop belt and a method for self-draining of a tunnel deformation joint, wherein a drain pipe is arranged on the water stop belt, and is provided with a drain hole for draining water retained on the water stop belt through the drain pipe; the problem that surrounding rock water leaks through the contact of the water stop belt and the lining when no part of surrounding rock pressure water is discharged because the water pressure is large is solved, the surrounding rock water leaks through the back-attached water stop belt from the deformation joint, the surrounding rock water flows through the deformation joint to be stopped by the water stop joint at first, and enters the drain pipe to be discharged into the longitudinal drain pipe along the drain pipe through the drain hole after the water pressure is too large to permeate through the water stop joint, and finally is discharged out of the tunnel. For water which is not discharged, the water is stopped by the water stop joint and the two wings of the water stop belt, the water pressure is released by the water discharge hole and the water discharge pipe, and the water pressure is difficult to permeate the water out of the tunnel.
Description
Technical Field
The disclosure particularly relates to a buried water stop for self-drainage of a tunnel deformation joint and a method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Along with the rapid development of highways and railways, the tunnel construction scale is also rapidly increased, but in operation, the phenomenon of tunnel leakage is found to be very much, and the theory of 'ten tunnels and nine leaks' is adopted. The tunnel leakage water not only makes the maintenance difficult, influences the vehicle safety that traveles in the tunnel, also threatens tunnel main part structure safety simultaneously. Analyzing reasons, the water leakage part is mainly concentrated in a construction joint and a deformation joint, wherein the deformation joint is waterproof by adopting a back-attached water stop belt and a middle-buried rubber water stop belt. In actual engineering, when the surrounding rock water quantity is larger, because the water pressure is larger, when the surrounding rock pressure water is discharged from no place, the surrounding rock pressure water can permeate through the contact between the water stop belt and the lining, and leaks from the deformation joint.
Disclosure of Invention
In order to solve the problems, the disclosure provides a buried water stop and a method for self-draining of a tunnel deformation joint, wherein the buried water stop in the deformation joint can have a drainage function while being waterproof, and the problem of tunnel leakage can be well solved.
In a first aspect, the present disclosure provides a buried water stop in tunnel deformation joint self-drainage, install the drain pipe on the water stop, be equipped with the wash port on the drain pipe, the wash port is used for passing through the drain pipe with the water that is detained on the water stop and discharges.
In a second aspect, the present disclosure provides a construction method of a buried water stop in self-drainage of a tunnel deformation joint, including:
fixing the first wing of the water stop belt by using a reinforcing steel bar clamp, and placing the second wing of the water stop belt into an installation mold; the mounting dies are connected with the lining template trolley, and the side surface of the second lining casting is plugged after all the mounting dies are mounted to cast a first lining;
and (3) disassembling the mounting die, expanding the second wing of the non-poured water stop, pouring the second lining, and completing the mounting of the embedded water stop.
Compared with the prior art, the present disclosure has the following beneficial effects:
the water stop belt is adopted to be provided with the drain pipe, the drain pipe is provided with the drain hole, the drain hole is used for discharging water retained on the water stop belt through the drain pipe, the problem that the water stop belt can leak through contact with the lining when no surrounding rock pressure water is discharged is solved, leakage is caused from the deformation joint, after the surrounding rock water seeps through the back-attached water stop belt, the surrounding rock water is firstly blocked by the water stop joint, if the water pressure is too large, the water is led into the drain pipe through the drain hole and is discharged into the longitudinal drain pipe along the drain pipe after the water stop joint, and finally the water is discharged out of the tunnel. For water which is not discharged, the water is stopped by the water stop joint and the two wings of the water stop belt, the water pressure is released by the water discharge hole and the water discharge pipe, and the water pressure is difficult to permeate the water out of the tunnel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
Fig. 1 is a schematic structural view of a buried water stop for self-draining of a tunnel deformation joint according to the present disclosure;
FIG. 2 is a front view of an installation mold of a tunnel deformation joint self-draining buried water stop of the present disclosure;
FIG. 3 is a left side cross-sectional view of an installation mold for a tunnel deformation joint self-draining buried water stop of the present disclosure;
FIG. 4 is a schematic illustration of a one-lining casting construction of a tunnel deformation joint self-draining buried water stop of the present disclosure;
FIG. 5 is a schematic illustration of a two-liner casting construction of a tunnel deformation joint self-draining buried water stop of the present disclosure;
FIG. 6 is a schematic illustration of the construction of a buried water stop of the present disclosure with a drain pipe;
1, a water stop belt body; 2. two wings of the water stop belt; 3. a drain pipe; 4. a drain hole; 5. a water retaining section; 21. telescoping and adjusting the wood board; 22. adjusting the fastening nut; 23. a telescopic adjusting groove; 24. stainless steel die.
The specific embodiment is as follows:
the disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Example 1
As shown in figure 1, a buried water stop belt for self-draining of a tunnel deformation joint is provided, a drain pipe is arranged on the water stop belt, and a drain hole is arranged on the drain pipe and used for draining water retained on the water stop belt through the drain pipe.
The water stop comprises a water stop body and two water stop wings, wherein the two water stop wings comprise a water stop first wing and a water stop second wing; the first wing of the water stop and the second wing of the water stop are respectively arranged at two sides of the water stop body and are connected with the water stop body into an integrated structure. After the embedded water stop is installed, the water stop body is positioned in the deformation joint, and two wings of the water stop are installed in the molded concrete at two sides of the deformation joint. The water stop body is of an annular structure, and two wings of the water stop are of a horizontal band-shaped structure.
As a specific embodiment, at least one drain pipe is provided, and if the number of drain pipes is one, the drain pipe is arranged inside the water stop body and is positioned in the center of the water stop; if the drainage pipes are multiple, all the drainage pipes are arranged along the center of the water stop belt in a symmetrical mode, or the drainage pipes are arranged at equal intervals or unequal intervals according to the water stop belt arrangement mode. As another embodiment, if there are a plurality of drain pipes, the plurality of drain pipes are provided on both wings of the water stop.
As a preferred embodiment, two water draining pipes are provided, namely a first water draining pipe and a second water draining pipe, and the first water draining pipe and the second water draining pipe are respectively arranged at two sides of the water stop belt; specifically, the first drain pipe is arranged on the first wing of the water stop belt, and the second drain pipe is arranged on the second wing of the water stop belt.
The water stop belt comprises a water stop belt body, a water discharge pipe, a water stop belt, a water discharge pipe, a water guide pipe and a water guide pipe, wherein first water stop knots are arranged on two wings of the water stop belt, the first water stop knots are set at a set distance from the water stop belt body, the water discharge pipe is of a semicircular structure and is arranged on the upper surface of the water stop belt; the drain pipe is provided with a second water retaining knot, a third water retaining knot, a first water drain hole and a second water drain hole, the second water retaining knot is arranged at the top of the drain pipe, the third water retaining knot is arranged at a set distance from the second water retaining knot along the circumferential direction of the drain pipe, the first water drain hole is arranged between the second water retaining knot and the third water retaining knot, the second water drain hole is arranged at a set height from the drain pipe to the water stop, and the second water drain hole is arranged between the third water retaining knot and the water stop. As a preferred embodiment, the third water blocking joint is arranged at one side of the drain pipe close to the annular structure; the second water retaining joint and the third water retaining joint are both positioned on the outer side face of the drain pipe.
Triangular protrusions are arranged at two ends of the water stop belt, a plurality of fourth water stop joints are further arranged at the positions, set to be distant from the triangular protrusions, of the water stop belt, and the fourth water stop joints are located between the drain pipe and the triangular protrusions. The triangular protrusions are arranged on the upper surface and the lower surface of the water stop belt.
As one of the implementation modes, the whole width d of the water stop belt is 30-40 cm, the diameter of the drain pipe is 2-10 cm, the length of the drain pipe is arranged along the part of the deformation joint, which needs to be waterproof, the diameter of the drain hole is 0.5-1 cm, and the longitudinal distance of the drain pipe is 2-10 cm along the water stop strip.
Example 2
A construction method of a buried water stop in self-drainage of a tunnel deformation joint comprises the following steps:
fixing the first wing of the water stop belt by using a reinforcing steel bar clamp, and placing the second wing of the water stop belt into an installation mold; the mounting dies are connected with the lining template trolley, and the side surface of the second lining casting is plugged after all the mounting dies are mounted to cast a first lining;
and (3) disassembling the mounting die, expanding the second wing of the non-poured water stop, pouring the second lining, and finishing the mounting of the water stop with the deformation joint. And when the second lining is poured, lining pouring of the next cycle can be performed, namely, pouring of the first wing of the next water stop belt is performed on the other side of the second lining.
The mounting die comprises a plate-shaped structure and a telescopic adjusting piece, wherein an L-shaped bending section is arranged at the top of the plate-shaped structure, the telescopic adjusting piece is arranged on the L-shaped bending section and comprises a telescopic adjusting wood plate, an adjusting fastening nut and an adjusting mounting groove, the telescopic adjusting plate is mounted in the adjusting mounting groove, and the adjusting fastening nut is connected with the telescopic adjusting plate.
Specifically, one wing to be poured of the water stop is fixed by a conventional reinforcement bar, the other wing is placed in a stainless steel mold, the stainless steel mold is connected with a lining template trolley during use, the outer side of a telescopic adjustment template is adjusted to prop against a waterproof layer, a fastening nut is fastened and adjusted, the installation of one water stop installation mold is completed, all molds are installed in sequence according to the method, and the side face of the two-lining pouring is blocked. And pouring the second lining, when the demolding time is reached, disassembling the water stop mounting die, unfolding the water stop without pouring the first wing, and then performing lining pouring of the next cycle to finish the mounting of the water stop with the deformation joint.
Wherein, the installation mould width can be according to the section condition and simple to operate degree confirm. The stainless steel die can be precisely machined together with the template trolley, and the length of the water stop bar die is adjusted by the telescopic adjusting plate and the fastening nut, so that the stainless steel die can adapt to the section due to the over-excavation of irregular sections or sections with different lining thicknesses.
The installation mould includes stainless steel mould and flexible regulating part, and stainless steel mould is platelike structure, and its platelike structure's top is equipped with L type bending section, is equipped with flexible regulating part on the L type bending section, flexible regulating part is including flexible adjustment plank, adjustment fastening nut and adjustment mounting groove, and flexible regulating plate installs in the adjustment mounting groove, and adjustment fastening nut is connected with flexible regulating plate for fixed flexible adjustment plank, through adjusting flexible regulating plate the position of adjustment mounting groove realizes the length that flexible adjustment plank stretched out, and then adjusts the size of pouring the face, installs with the different operating mode of adaptation.
The bottom of the plate-shaped structure of the mounting die is also connected with an L-shaped plate with an upward opening, the L-shaped plate is used for wrapping the second wing of the water stop to an area between the plate-shaped structure and the L-shaped plate, so that the second wing of the water stop is prevented from being poured by concrete when a lining is poured, and the second wing of the water stop can be unfolded to be poured in the second lining structure when the second lining is poured, the water stop body is positioned in a deformation joint, and the two wings of the water stop are mounted in the molded concrete at two sides of the deformation joint.
While the specific embodiments of the present disclosure have been described above with reference to the drawings, it should be understood that the present disclosure is not limited to the embodiments, and that various modifications and changes can be made by one skilled in the art without inventive effort on the basis of the technical solutions of the present disclosure while remaining within the scope of the present disclosure.
Claims (3)
1. The self-drainage buried water stop for the tunnel deformation joint is characterized in that a drainage pipe is arranged on the water stop belt, and is provided with a drainage hole for draining water retained on the water stop belt through the drainage pipe;
the water stop comprises a water stop body and two water stop wings, wherein the two water stop wings comprise a water stop first wing and a water stop second wing; the first wing of the water stop and the second wing of the water stop are respectively arranged at two sides of the water stop body and are connected with the water stop body into an integrated structure;
the two wings of the water stop belt are provided with first water stop knots, the first water stop knots are arranged at a set distance from the water stop belt body, and the drain pipe is arranged at a set distance from the first water stop knots; the water draining pipe is provided with a second water retaining knot, a third water retaining knot and a first water draining hole, the second water retaining knot is arranged at the top of the water draining pipe, the third water retaining knot is arranged at a set distance away from the second water retaining knot along the circumferential direction of the water draining pipe and is positioned at one side close to the water stopping belt body, and the first water draining hole is arranged between the second water retaining knot and the third water retaining knot; the water drain pipe is also provided with a second water drain hole, the second water drain hole is arranged at a set height position of the water drain pipe from the water stop belt, and the second water drain hole is positioned between the third water stop joint and the water stop belt; the number of the drain pipes is multiple; the drain pipe is of a semicircular structure and is arranged on the upper surface of the water stop belt; the water stop body is of an annular structure, and two wings of the water stop are of a horizontal band-shaped structure.
2. The tunnel deformation joint self-drainage buried water stop according to claim 1, wherein all the drainage pipes are arranged symmetrically along the center of the water stop or all the drainage pipes are arranged at equal intervals or unequal intervals according to the arrangement mode of the water stop.
3. A method of constructing a buried water stop for self-draining a tunnel deformation joint according to any one of claims 1 to 2, comprising:
fixing the first wing of the water stop belt by using a reinforcing steel bar clamp, and placing the second wing of the water stop belt into an installation mold; the mounting dies are connected with the lining template trolley, and the side surface of the second lining casting is plugged after all the mounting dies are mounted to cast a first lining;
and (3) disassembling the mounting die, expanding the second wing of the non-poured water stop, pouring the second lining, and completing the mounting of the embedded water stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706676.2A CN113638749B (en) | 2021-06-24 | 2021-06-24 | Tunnel deformation joint self-drainage embedded water stop and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706676.2A CN113638749B (en) | 2021-06-24 | 2021-06-24 | Tunnel deformation joint self-drainage embedded water stop and method |
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| Publication Number | Publication Date |
|---|---|
| CN113638749A CN113638749A (en) | 2021-11-12 |
| CN113638749B true CN113638749B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110706676.2A Active CN113638749B (en) | 2021-06-24 | 2021-06-24 | Tunnel deformation joint self-drainage embedded water stop and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114293595B (en) * | 2022-01-12 | 2023-09-12 | 武汉源锦建材科技有限公司 | Construction joint structure suitable for underground engineering plate type structure and construction method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211524849U (en) * | 2019-11-04 | 2020-09-18 | 中铁第四勘察设计院集团有限公司 | Tunnel lining movement joint waterstop and tunnel lining movement joint waterproof construction |
| CN112459130A (en) * | 2020-12-09 | 2021-03-09 | 中铁二院贵阳勘察设计研究院有限责任公司 | Drainable externally-adhered water stop with adhesion timeliness and application |
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2021
- 2021-06-24 CN CN202110706676.2A patent/CN113638749B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211524849U (en) * | 2019-11-04 | 2020-09-18 | 中铁第四勘察设计院集团有限公司 | Tunnel lining movement joint waterstop and tunnel lining movement joint waterproof construction |
| CN112459130A (en) * | 2020-12-09 | 2021-03-09 | 中铁二院贵阳勘察设计研究院有限责任公司 | Drainable externally-adhered water stop with adhesion timeliness and application |
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| Publication number | Publication date |
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| CN113638749A (en) | 2021-11-12 |
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