CN113638749A - Tunnel deformation joint self-drainage buried water stop and method - Google Patents
Tunnel deformation joint self-drainage buried water stop and method Download PDFInfo
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- CN113638749A CN113638749A CN202110706676.2A CN202110706676A CN113638749A CN 113638749 A CN113638749 A CN 113638749A CN 202110706676 A CN202110706676 A CN 202110706676A CN 113638749 A CN113638749 A CN 113638749A
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- water stop
- water
- drainage
- drain pipe
- waterstop
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 184
- 238000000034 method Methods 0.000 title abstract description 6
- 238000009434 installation Methods 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000000717 retained effect Effects 0.000 abstract description 3
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 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
- 230000002265 prevention Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a tunnel deformation joint self-drainage buried water stop belt and a method, wherein a drainage pipe is arranged on the water stop belt, a drainage hole is arranged on the drainage pipe, and the drainage hole is used for draining water retained on the water stop belt through the drainage pipe; the problem of because water pressure is great, when the surrounding rock pressure water has no place to discharge, can ooze the waterstop and the contact of lining cutting, spill from the movement joint is solved, after the surrounding rock water oozes back of the body formula waterstop, flow through the movement joint at first by the stagnant water festival stagnant water, if water pressure crosses behind the stagnant water festival through the wash port entering drain pipe and discharging into vertical drain pipe along the drain pipe, discharge outside the tunnel at last. For water which is not drained and is stopped by the water retaining section and the two wings of the water stop, the water pressure is released by the drain hole and the drain pipe, and the water is difficult to seep out of the tunnel by the water pressure.
Description
Technical Field
The disclosure particularly relates to a tunnel deformation joint self-drainage buried water stop 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.
With the rapid development of highway and railway industry, the scale of tunnel construction is also rapidly increased, but in operation, the phenomenon of tunnel water leakage is found to be very much, and the expression of 'ten tunnels and nine leaks' is provided. The water leakage of the tunnel not only makes the maintenance difficult, influences the safety of vehicles running in the tunnel, but also threatens the safety of the main structure of the tunnel. The analysis reason, the position of percolating water mainly concentrates on construction joint and movement joint, wherein the movement joint is waterproof mainly by adopting the back-pasting type waterstop and the middle-buried rubber waterstop. In actual engineering, when the water volume of surrounding rock is large, because the water pressure is large, when surrounding rock pressure water is discharged everywhere, the water seeps through the contact of the water stop and the lining, and leaks from the deformation joint.
Disclosure of Invention
In order to solve the problems, the self-drainage buried water stop for the deformation joint of the tunnel and the method are provided in the disclosure, the buried water stop for the deformation joint can achieve the function of water drainage while preventing water, and the problem of tunnel water leakage can be well solved.
In a first aspect, the disclosure provides a tunnel deformation joint self-drainage buried water stop, a drain pipe is installed on the water stop, a drain hole is formed in the drain pipe, and the drain hole is used for discharging water retained on the water stop through the drain pipe.
In a second aspect, the present disclosure provides a construction method of a tunnel deformation joint self-drainage buried water stop, including:
fixing the first wing of the water stop by using a reinforcing steel bar clamp, and placing the second wing of the water stop into an installation mould; the mounting moulds are connected with a lining template trolley, and after all the mounting moulds are mounted, the side face of the secondary lining pouring is blocked to pour a primary lining;
and disassembling the mounting mould, unfolding the second wing of the water stop belt which is not poured, pouring a second lining, and completing the mounting of the buried water stop belt.
Compared with the prior art, this disclosure possesses following beneficial effect:
the water outlet pipe is arranged on the waterstop, the water outlet pipe is provided with a water outlet hole, the water outlet hole is used for discharging water retained on the waterstop through the water outlet pipe, the problem that the water outlet hole leaks from a deformation joint when surrounding rock pressure water is discharged without places due to large water pressure is solved, the surrounding rock water flows through the deformation joint after penetrating through the back-attached waterstop and is firstly stopped by the water retaining joint, and the water enters the water outlet pipe through the water outlet hole to be discharged into a longitudinal water outlet pipe along the water outlet pipe after penetrating through the water retaining joint if the water pressure is too large, and finally the water is discharged out of a tunnel. For water which is not drained and is stopped by the water retaining section and the two wings of the water stop, the water pressure is released by the drain hole and the drain pipe, and the water is difficult to seep out of the tunnel by the water pressure.
Drawings
The accompanying drawings, which 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 are not intended to limit the application.
Fig. 1 is a schematic structural view of a tunnel deformation joint self-drainage buried water stop of the present disclosure;
FIG. 2 is a front view of an installation mold of the tunnel deformation joint self-drainage buried water stop of the present disclosure;
FIG. 3 is a left side sectional view of the installation mold of the tunnel deformation joint self-draining buried water stop of the present disclosure;
FIG. 4 is a schematic diagram of a lining pouring construction of the tunnel deformation joint self-draining buried water stop of the present disclosure;
FIG. 5 is a schematic diagram of a two-lining pouring construction of the tunnel deformation joint self-drainage buried water stop of the present disclosure;
FIG. 6 is a schematic view of the construction of the buried water stop with one drain pipe of the present disclosure;
wherein, 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. adjusting the wood board in a telescopic way; 22. adjusting the fastening nut; 23. a telescopic adjusting groove; 24. stainless steel molds.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Example 1
As shown in figure 1, the tunnel deformation joint self-drainage buried water stop belt is characterized in that a drain pipe is installed on the water stop belt, a drain hole is formed in the drain pipe, and the drain hole is used for discharging water remained 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 first water stop wing and a second water stop wing; the first wing of the waterstop and the second wing of the waterstop are respectively arranged on two sides of the waterstop body and are connected with the waterstop body into an integrated structure. After the buried water stop is installed, the water stop body is located in the deformation joint, and two wings of the water stop are installed in the molded concrete on two sides of the deformation joint. The water stop body is of an annular structure, and two wings of the water stop are of horizontal strip structures.
As a specific implementation mode, at least one drainage pipe is arranged, and if the number of the drainage pipes is one, the drainage pipe is arranged inside the water stop body and is positioned in the center of the water stop; if the number of the drain pipes is multiple, all the drain pipes are symmetrically arranged along the center of the water stop, or the drain pipes are arranged at equal intervals or unequal intervals according to the arrangement mode of the water stop. In another embodiment, if there are a plurality of drainage pipes, the plurality of drainage pipes are arranged on two wings of the water stop.
As a preferred embodiment, there are two drain pipes, namely a first drain pipe and a second drain pipe, which are respectively arranged on two sides of the water stop; specifically, the first drain pipe is arranged on a first wing of the water stop, and the second drain pipe is arranged on a second wing of the water stop.
The water stop belt comprises a water stop belt body, a water discharge pipe, a water stop joint, a water stop pipe and a water stop pipe, wherein the two wings of the water stop belt are provided with first water stop joints, the first water stop joints are arranged at set distances from the water stop belt body, the water discharge pipe is arranged at a set distance from the first water stop joints, the water discharge pipe is of a semicircular structure, and the water discharge pipe 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 drain hole and a second drain hole, the second water retaining knot is installed at the top of the drain pipe, the third water retaining knot is installed at a position which is set at a distance from the second water retaining knot along the circumferential direction of the drain pipe, the first drain hole is arranged between the second water retaining knot and the third water retaining knot, the second drain hole is arranged at a position which is set at a height from the water stop strip at the drain pipe, and the second drain hole is positioned between the third water retaining knot and the water stop strip. In a preferred embodiment, the third water retaining joint is arranged on one side of the water discharge pipe close to the annular structure; and the second water retaining section and the third water retaining section are both positioned on the outer side surface of the drain pipe.
The waterstop both ends are equipped with the triangle-shaped arch, and the protruding distance department of setting for of distance apart from the triangle-shaped still is equipped with a plurality of fourth manger plate festival, and the fourth manger plate festival is located drain pipe and triangle-shaped between protruding. The triangular bulges are arranged on the upper surface and the lower surface of the water stop belt.
As one embodiment, 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 needing water prevention, the diameter of the drain hole is 0.5-1 cm, and the distance along the longitudinal direction of the water stop belt is 2-10 cm.
Example 2
A construction method of a tunnel deformation joint self-drainage buried water stop belt comprises the following steps:
fixing the first wing of the water stop by using a reinforcing steel bar clamp, and placing the second wing of the water stop into an installation mould; the mounting moulds are connected with a lining template trolley, and after all the mounting moulds are mounted, the side face of the secondary lining pouring is blocked to pour a primary lining;
and (4) disassembling the mounting mould, unfolding the second wing of the water stop belt which is not poured, pouring a second lining, and completing the mounting of the water stop belt with the deformation joint. And when the second lining is poured, the next circulation of lining pouring can be carried out, namely, the other side of the second lining is poured towards the first wing of the next waterstop.
The installation mould includes platelike structure and flexible regulating part, and platelike structure's top is equipped with L type bending segment, is equipped with flexible regulating part on the L type bending segment, flexible regulating part is including flexible adjustment plank, adjustment fastening nut and adjustment mounting groove, and flexible adjusting plate is installed in the adjustment mounting groove, and adjustment fastening nut is connected with flexible adjusting plate.
Specifically, one wing of the water stop to be poured is fixed by a conventional reinforcing steel bar clamp, the other wing is placed into a stainless steel mould, the stainless steel mould is connected with a lining template trolley when in use, the outer side of a telescopic adjusting template is adjusted to prop against a waterproof layer, a fastening nut is fastened and adjusted, the installation of a water stop installation mould is completed, all moulds are sequentially installed according to the method, and the side face of secondary lining pouring is blocked. And pouring a second lining, when the time for removing the mold is reached, detaching the water stop installation mold, unfolding the water stop without pouring a wing, and then performing the next circulation of lining pouring to finish the installation of the water stop of the deformation joint.
Wherein, the width of the installation mould can be determined according to the section condition and the installation convenience degree. The stainless steel mould can be accurately processed together with the template trolley, and the length of the water stop strip mould is adjusted by the telescopic adjusting plate and the fastening nut, so that the stainless steel mould can adapt to the irregular section due to overexcavation or the sections with different lining thicknesses.
The installation mould includes stainless steel mould and flexible regulating part, and the stainless steel mould is platelike structure, and its platelike structure's top is equipped with L type bending segment, is equipped with flexible regulating part on the L type bending segment, flexible regulating part is including flexible adjustment plank, adjustment fastening nut and adjustment mounting groove, and flexible adjusting plate is installed in the adjustment mounting groove, and adjustment fastening nut is connected with flexible adjusting plate for fixed flexible adjustment plank, through adjusting flexible adjusting plate the length that flexible adjustment plank stretches out is realized to the position of adjustment mounting groove, and then the size of face is pour in the adjustment, installs with the operating mode that adapts to the difference.
The slab structure bottom of installation mould still is connected with an ascending open-ended L template, and the L template is used for wrapping up waterstop second wing to the region between slab structure and the L template for waterstop second wing avoids on concrete placement when a lining is pour, thereby can launch and pour in two lining structures when two linings are pour, makes the waterstop body be in the movement joint, and the waterstop both wings are installed in the mould concreting of movement joint both sides.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. The utility model provides a tunnel movement joint buries formula waterstop from drainage which characterized in that, install the drain pipe on the waterstop, 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 waterstop and discharges.
2. The tunnel deformation joint self-draining buried water stop of claim 1, wherein the water stop comprises a water stop body and two water stop wings, and the two water stop wings comprise a first water stop wing and a second water stop wing; the first wing of the waterstop and the second wing of the waterstop are respectively arranged on two sides of the waterstop body and are connected with the waterstop body into an integrated structure.
3. The self-draining buried water stop for tunnel deformation joints according to claim 2, wherein the water stop is provided with first water stopping knots on two wings, the first water stopping knots are arranged at a set distance from the water stop body, and the drain pipe is arranged at a set distance from the first water stopping knots.
4. The tunnel deformation joint self-drainage buried water stop of claim 2, wherein the water stop body is of an annular structure, and two wings of the water stop are of a horizontal strip structure.
5. The self-draining buried water stop of tunnel deformation joint of claim 2, wherein the drain pipe is provided with a second water stop knot, a third water stop knot and a first drain hole, the second water stop knot is installed on the top of the drain pipe, the third water stop knot is installed at a set distance from the second water stop knot along the circumferential direction of the drain pipe, and the first drain hole is arranged between the second water stop knot and the third water stop knot.
6. The tunnel deformation joint self-drainage buried water stop belt according to claim 5, wherein a second drainage hole is further formed in the drainage pipe, the second drainage hole is formed in the position, with a set height, of the drainage pipe away from the water stop belt, and the second drainage hole is located between the third water stop joint and the water stop belt.
7. The tunnel deformation joint self-drainage buried water stop of claim 1, wherein at least one drain pipe is arranged, and if the number of the drain pipes is one, the drain pipes are arranged inside the water stop body.
8. The tunnel deformation joint self-drainage buried water stop of claim 7, wherein if there are a plurality of drainage pipes, all the drainage pipes are symmetrically arranged 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.
9. The self-draining buried water stop of tunnel deformation joint of claim 1, wherein the drain pipe is of a semicircular structure and is arranged on the upper surface of the water stop.
10. A construction method of a tunnel deformation joint self-drainage buried water stop belt is characterized by comprising the following steps:
fixing the first wing of the water stop by using a reinforcing steel bar clamp, and placing the second wing of the water stop into an installation mould; the mounting moulds are connected with a lining template trolley, and after all the mounting moulds are mounted, the side face of the secondary lining pouring is blocked to pour a primary lining;
and disassembling the mounting mould, unfolding the second wing of the water stop belt which is not poured, pouring a second lining, and completing the mounting of the buried water stop belt.
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 |
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| CN113638749A true CN113638749A (en) | 2021-11-12 |
| CN113638749B 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293595A (en) * | 2022-01-12 | 2022-04-08 | 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 |
-
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293595A (en) * | 2022-01-12 | 2022-04-08 | 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 |
| 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 |
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| Publication number | Publication date |
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| CN113638749B (en) | 2024-03-19 |
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