CN103741695A - Embedded grouting pipe installed on waterstop and grouting method - Google Patents
Embedded grouting pipe installed on waterstop and grouting method Download PDFInfo
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- CN103741695A CN103741695A CN201310632743.6A CN201310632743A CN103741695A CN 103741695 A CN103741695 A CN 103741695A CN 201310632743 A CN201310632743 A CN 201310632743A CN 103741695 A CN103741695 A CN 103741695A
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- waterstop
- sponge rubber
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- slip casting
- grouting pipe
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Abstract
The invention relates to the field of waterproof facilities of undersea tunnel immersed tubes, in particular to an embedded grouting pipe installed on a waterstop between the immersed tubes and a grouting method. The embedded grouting pipe comprises a grouting pipe body, sponge rubber and a connecting lead screw, wherein the sponge rubber is arranged at the two ends of the waterstop, and the connecting lead screw penetrates through the grouting pipe body and the sponge rubber in sequence, so that the lower end port of the grouting pipe body is tightly connected with the sponge rubber in an attached mode. According to the embedded grouting pipe installed on the waterstop and the grouting method, after the embedded grouting pipe is grouted, the sponge rubber forms a grouting groove in the waterstop, all the cracks and defects in the periphery of the waterstop are filled with grouting fluid, the immersed tubes can be completely prevented from water leakage, and therefore after the grouting operation is finished, the possibility of water leakage is completely avoided, and safety potential risks of the immersed tubes are eliminated. The embedded grouting pipe is simple, convenient and rapid to install and the grouting operation is simple, convenient and rapid.
Description
Technical field
The present invention relates to the Lock gate field of seabed tunnel immersed tube, be particularly a kind ofly arranged on the built-in slip casting pipe on waterstop and grouting method between immersed tube.
Background technology
When the seam between concrete segment has hydraulic pressure outward, such as tunnel, cellar, marine oil field etc., need to adopt waterstop to keep good watertightness at its seam crossing.Generally can adopt the standard rubbers sealing with sulfuration steel band.This waterstop has good watertightness.But in practice, due to concrete shrinkage and build and vibrate not in placely, along waterstop concrete around, will occur crack, pitted skin or similar defect, this type of defect may cause water to infiltrate concrete.
During seabed tunnel is immersed tube prefabricated, each standard immersed tube tube coupling length reaches 180m left and right, can be by nearly 8 sections are pre-formed successively, every sections reaches 22.5m, the wide 37.95m of reaching, up to 11.4m, in adopting between the concrete of immersed tube sections buried can slip casting waterstop as first Lock gate.Waterstop is the steel plate water stoppers that adopt now more, are mainly arranged on constuction joint place between tunnel immersed tube tube coupling, to increase concrete construction bonded area twice, mainly meet constuction joint waterproof requirement, should adopt respectively folding snap-in or overlap joint by its thickness.
In the concrete construction of tube coupling, due to the reasons such as operation leakiness, concrete autogenous shrinkage of vibrating, may cause can slip casting waterstop and concrete between leakiness, there is penetrating passage.In the construction of tunnel later stage, by immersed tube tube coupling sinking, behind seabed, the in the situation that of there is powerful hydraulic pressure in seabed, water can enter along these penetrating passages, causes the infiltration of immersed tube tube coupling, when serious, may cause tube coupling to leak, and makes seabed tunnel occur potential safety hazard.
In order to overcome the above problems, the present invention has done useful improvement.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide a kind of the be arranged on Grouting Pipe on waterstop and grouting method thereof between immersed tube, can, by the penetrating passage sealing producing between slip casting waterstop and concrete, prevent that immersed tube tube coupling from leaking.
(2) technical scheme
The present invention is achieved by the following technical solutions: a kind of built-in slip casting pipe being arranged on waterstop, this built-in slip casting pipe comprises Grouting Pipe body, sponge rubber and connection leading screw, described sponge rubber is arranged on waterstop two ends, described connection leading screw through described Grouting Pipe body and sponge rubber, makes Grouting Pipe body lower port be close to and be connected with sponge rubber successively.
Wherein, described sponge rubber is provided with a through hole, and this sponge rubber downside is provided with U-shaped stock inlet steel cage, and described connection leading screw is through described through hole and be threaded with U-shaped stock inlet steel cage, makes U-shaped stock inlet steel cage be close to sponge rubber.
Further, between described sponge rubber and Grouting Pipe body lower port, be also provided with rubber O-ring seal, this rubber O-ring seal is sleeved on described connection leading screw.
Further again, the contact surface of described U-shaped stock inlet steel cage and rubber O-ring seal and sponge rubber scribbles respectively water-swellable sealing glue.
Preferably, on described connection leading screw, in described Grouting Pipe body upper port position, be connected with stop nut.
Further, described Grouting Pipe tube wall centre position is coated with a circle water-swellable sealing glue.
Preferably, the upper end of described connection leading screw is provided with draw ring.
Wherein, the upper end outer cover of described connection leading screw is provided with protecting tube, be filled with plastic foam or cloth waste, and the two-port of this protecting tube is all connected with Sealing strap in described protecting tube pipe.
Preferably, described protecting tube is rigid polyvinyl chloride pvc pipe and vinyon PE pipe.
The present invention also provides a kind of above-mentioned grouting method that is arranged on the built-in slip casting pipe on waterstop that adopts, and comprises the following steps:
S1 will connect leading screw and take out in Grouting Pipe body;
S2 injects slurry by Grouting Pipe in waterstop concrete around, and the sponge rubber on described waterstop is compressed, thereby makes this sponge rubber on waterstop, form slip casting groove.
(3) beneficial effect
Compare with product with prior art, the present invention has the following advantages:
1, built-in slip casting pipe provided by the invention can make sponge rubber on waterstop, form slip casting groove after slip casting, and will be by slip casting fluid filling along waterstop all slits and defect point around, thereby can completely stop and leak, thereby after slip casting operation completes, all contingent leaking will be completely sealed, and have eliminated the potential safety hazard of immersed tube;
2, Grouting Pipe installation provided by the invention and grouting operation are easy, quick.
Accompanying drawing explanation
Fig. 1 is the johning knot composition that the invention provides built-in slip casting pipe;
Fig. 2 is the structure chart of steel plate water stopper provided by the invention;
Fig. 3 is U-shaped stock inlet steel cage structure chart provided by the invention.
In accompanying drawing, the component list of each label representative is as follows:
1, stop nut; 2, connect leading screw; 3, draw ring; 4, Sealing strap; 5, protecting tube; 6, filler; 7, Grouting Pipe body; 8, water-swellable sealing glue; 9, rubber O-ring seal; 10, steel plate water stopper; 11, U-shaped stock inlet steel cage; 12, sponge rubber.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
As shown in Figure 1, the present embodiment provides a kind of built-in slip casting pipe being arranged on waterstop, this built-in slip casting pipe comprises Grouting Pipe body 7, sponge rubber 12 and is connected leading screw 2, described sponge rubber 12 is arranged on steel plate water stopper 10 two ends, described connection leading screw through Grouting Pipe body and sponge rubber, makes Grouting Pipe body lower port be close to and be connected with sponge rubber successively.For preventing leaking, conventionally between waterstop and concrete, bury Grouting Pipe underground, so that the later stage repairs its defect.In tunnel is immersed tube prefabricated, can utilize steel plate water stopper self structure, as shown in Figure 2, at steel plate water stopper 10 edges at two ends steel bands, embed sponge rubber 12.Certainly waterstop is not limited to steel plate water stopper, and other types waterstop, as long as be applicable to Grouting Pipe structural requirement, also can be applied.It is the steel pipe of 16mm that Grouting Pipe body can preferably adopt external diameter, and long sponge rubber couples together with being not more than 4m.Described sponge rubber can adopt neoprene sponge rubber.Concrete curing finishes and occurs, after all shrinkage phenomenons, by Grouting Pipe, injecting slurry.Because grouting pressure is 0.5～1.0Mpa, the sponge rubber in waterstop is compressed, and has formed slip casting groove in steel plate water stopper.All slits and defect point along slip casting groove will be filled by slurry, thereby can completely stop and leak.After all slip casting operations complete, all contingent leaking will be completely sealed.Grouting Pipe is answered fixation, prevents crooked in concreting process, displacement.Connection wire rod is before penetrating Grouting Pipe body, and after the surface that connects leading screw is smeared a small amount of vaseline or solid grease, prevented concrete slurry Grouting Pipe, connection wire rod cannot be extracted from Grouting Pipe body.
Specifically, described sponge rubber is provided with a through hole, and the internal diameter of through hole should be corresponding identical with the external diameter of above-mentioned connection leading screw.As shown in figures 1 and 3, this sponge rubber downside is provided with U-shaped stock inlet steel cage 12, and described connection leading screw passes described through hole and is threaded with U-shaped stock inlet steel cage, makes U-shaped stock inlet steel cage be close to sponge rubber.Further, between sponge rubber and Grouting Pipe body lower port, also can be provided with rubber O-ring seal, this rubber O-ring seal is sleeved on described connection leading screw, and is close to the upper surface of sponge rubber, plays the effect of hermetic seal.The contact surface of U-shaped stock inlet steel cage or rubber O-ring seal and sponge rubber scribbles water-swellable sealing glue, prevents that slurries from entering in Grouting Pipe.And, can also be coated with in Grouting Pipe tube wall centre position a circle water-swellable sealing glue 8, the penetrating passage that may form between sealing Grouting Pipe tube wall and concrete.
In addition, on described connection leading screw, in described Grouting Pipe body upper port position, be connected with stop nut 1, tighten stop nut, Grouting Pipe body, rubber O-ring seal, sponge rubber and the U-shaped stock inlet steel cage that can make to be connected between described connection wire rod are mutually closely connected, have reached concrete slurry and cannot from its seam, enter the function in Grouting Pipe.
Further, the upper end of connection leading screw is provided with draw ring 3.Wherein, connect leading screw and can adopt annular screw, annular screw is penetrated to Grouting Pipe body.
Concrete surface 50-100mm can directly be exposed in Grouting Pipe upper end, in the time of cannot exposing concrete surface (for example template stops) can perforate expose, or be fixed with protecting tube 5 in end, Grouting Pipe upper end.This protecting tube can utilize rigid polyvinyl chloride PVC or the vinyon PE pipe of segment internal diameter 60-100mm, in protecting tube, pack filler 6 into, filler is plastic foam or cloth waste, for shutoff Grouting Pipe termination, the two ends port of PVC or PE pipe is shut with Sealing strap 4, be fixed on template surface (being concrete surface), to prevent that concrete from entering, in order to avoid stop up Grouting Pipe.Grouting Pipe and connection wire rod length should determine before installation, distance after installing between stop nut and draw ring is unsuitable excessive, it is good being controlled at 5-20mm, Grouting Pipe outlet is exposed concrete length and is controlled at 50-100mm, while not spilling concrete, should guarantee that Grouting Pipe shutoff termination is at concrete surface.After concreting completes, after before waterstop slip casting, screw mandrel being twisted and extracting, can carry out slip casting work.
The present embodiment also provides and has used the above-mentioned grouting method that is arranged on the built-in slip casting pipe on waterstop, comprises the following steps:
S1 will connect leading screw and take out in Grouting Pipe body; At Grouting Pipe port, do not expose concrete surface, should carry out the position mark of Grouting Pipe.During use, can dig out protecting tube from concrete.Before concreting, should carry out Grouting Pipe inspection work, and record stays shelves, in casting process, note the work of vibrating of Grouting Pipe place, prevent the Grouting Pipe of damaging.After concrete initial set, for the Grouting Pipe of exposing concrete surface, the rotatable connection wire rod of extracting, checks and whether to enter slurry, process in advance, guarantees that the connection wire rod later stage can extract smoothly.
S2 injects slurry by Grouting Pipe in waterstop concrete around, and the sponge rubber on described waterstop is compressed, thereby makes this sponge rubber on waterstop, form slip casting groove.
Above embodiment is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. the built-in slip casting pipe being arranged on waterstop, it is characterized in that, this built-in slip casting pipe comprises Grouting Pipe body, sponge rubber and connection leading screw, described sponge rubber is arranged on waterstop two ends, described connection leading screw through described Grouting Pipe body and sponge rubber, makes Grouting Pipe body lower port be close to and be connected with sponge rubber successively.
2. the built-in slip casting pipe being arranged on waterstop according to claim 1, it is characterized in that, described sponge rubber is provided with a through hole, and this sponge rubber downside is provided with U-shaped stock inlet steel cage, described connection leading screw passes described through hole and is threaded with U-shaped stock inlet steel cage, makes U-shaped stock inlet steel cage be close to sponge rubber.
3. the built-in slip casting pipe being arranged on waterstop according to claim 2, is characterized in that, between described sponge rubber and Grouting Pipe body lower port, is also provided with rubber O-ring seal, and this rubber O-ring seal is sleeved on described connection leading screw.
4. the built-in slip casting pipe being arranged on waterstop according to claim 3, is characterized in that, the contact surface of described U-shaped stock inlet steel cage and rubber O-ring seal and sponge rubber scribbles respectively water-swellable sealing glue.
5. the built-in slip casting pipe being arranged on waterstop according to claim 1, is characterized in that, on described connection leading screw, in described Grouting Pipe body upper port position, is connected with stop nut.
6. the built-in slip casting pipe being arranged on waterstop according to claim 1, is characterized in that, described Grouting Pipe tube wall centre position is coated with a circle water-swellable sealing glue.
7. the built-in slip casting pipe being arranged on waterstop according to claim 1, is characterized in that, the upper end of described connection leading screw is provided with draw ring.
8. the built-in slip casting pipe being arranged on waterstop according to claim 1, it is characterized in that, the upper end outer cover of described connection leading screw is provided with protecting tube, be filled with plastic foam or cloth waste, and the two-port of this protecting tube is all connected with Sealing strap in described protecting tube pipe.
9. the built-in slip casting pipe being arranged on waterstop according to claim 8, is characterized in that, described protecting tube is rigid polyvinyl chloride pvc pipe and vinyon PE pipe.
10. the grouting method that be arranged on built-in slip casting pipe waterstop on of employing as described in claim 1-9 any one, is characterized in that, comprises the following steps:
S1 will connect leading screw and take out in Grouting Pipe body;
S2 injects slurry by Grouting Pipe in waterstop concrete around, and the sponge rubber on described waterstop is compressed, thereby makes this sponge rubber on waterstop, form slip casting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310632743.6A CN103741695A (en) | 2013-11-29 | 2013-11-29 | Embedded grouting pipe installed on waterstop and grouting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310632743.6A CN103741695A (en) | 2013-11-29 | 2013-11-29 | Embedded grouting pipe installed on waterstop and grouting method |
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| CN103741695A true CN103741695A (en) | 2014-04-23 |
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| CN201310632743.6A Pending CN103741695A (en) | 2013-11-29 | 2013-11-29 | Embedded grouting pipe installed on waterstop and grouting method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631497A (en) * | 2015-02-16 | 2015-05-20 | 中交第二航务工程局有限公司 | Water stop belt |
| CN104674817A (en) * | 2015-02-16 | 2015-06-03 | 中交一航局第一工程有限公司 | Reverse pressing type sealing grouting preserved hole sealing and blocking method |
| CN106522230A (en) * | 2016-10-09 | 2017-03-22 | 上海市政工程设计研究总院（集团）有限公司 | Mounting and grouting construction method of pre-buried grouting pipe assembly |
| CN107227732A (en) * | 2016-03-23 | 2017-10-03 | 上海崇成基础工程有限公司 | The waterstop pipe and its application method of underground continuous wall connector sealing |
| CN108194135A (en) * | 2017-12-22 | 2018-06-22 | 中国铁建大桥工程局集团有限公司 | A kind of constructing metro tunnel prevents top drainage pipeline leaking substance and construction method |
| CN109629845A (en) * | 2019-01-11 | 2019-04-16 | 中国冶集团有限公司 | Concrete structure seam areas leakage treatment device and its construction method |
| CN113237612A (en) * | 2021-05-06 | 2021-08-10 | 郑州大学 | Test device for simulating grouting reinforcement of offshore wind turbine |
| CN114008278A (en) * | 2019-04-30 | 2022-02-01 | 特瑞堡里德凯尔克公司 | Water stop joint and method for mounting water stop joint |
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| JPH06228971A (en) * | 1993-02-03 | 1994-08-16 | Kajima Corp | Joining tube for joint between tube for immersed tunnel |
| CN102747722A (en) * | 2012-07-27 | 2012-10-24 | 天津市勘察院 | Underground continuous wall joint close grouting and covering construction method and expansion rubber plug |
| CN103205986A (en) * | 2013-04-16 | 2013-07-17 | 中国十七冶集团有限公司 | Concrete raft foundation construction-joint grouting device and construction method |
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| JPH06228971A (en) * | 1993-02-03 | 1994-08-16 | Kajima Corp | Joining tube for joint between tube for immersed tunnel |
| CN102747722A (en) * | 2012-07-27 | 2012-10-24 | 天津市勘察院 | Underground continuous wall joint close grouting and covering construction method and expansion rubber plug |
| CN103205986A (en) * | 2013-04-16 | 2013-07-17 | 中国十七冶集团有限公司 | Concrete raft foundation construction-joint grouting device and construction method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631497A (en) * | 2015-02-16 | 2015-05-20 | 中交第二航务工程局有限公司 | Water stop belt |
| CN104674817A (en) * | 2015-02-16 | 2015-06-03 | 中交一航局第一工程有限公司 | Reverse pressing type sealing grouting preserved hole sealing and blocking method |
| CN104674817B (en) * | 2015-02-16 | 2016-06-29 | 中交一航局第一工程有限公司 | The method of the sealing of falling pressure type slip casting closure reserving hole |
| CN107227732A (en) * | 2016-03-23 | 2017-10-03 | 上海崇成基础工程有限公司 | The waterstop pipe and its application method of underground continuous wall connector sealing |
| CN107227732B (en) * | 2016-03-23 | 2019-06-04 | 上海崇成基础工程有限公司 | The waterstop pipe and its application method of underground continuous wall connector sealing |
| CN106522230A (en) * | 2016-10-09 | 2017-03-22 | 上海市政工程设计研究总院（集团）有限公司 | Mounting and grouting construction method of pre-buried grouting pipe assembly |
| CN108194135A (en) * | 2017-12-22 | 2018-06-22 | 中国铁建大桥工程局集团有限公司 | A kind of constructing metro tunnel prevents top drainage pipeline leaking substance and construction method |
| CN109629845A (en) * | 2019-01-11 | 2019-04-16 | 中国冶集团有限公司 | Concrete structure seam areas leakage treatment device and its construction method |
| CN114008278A (en) * | 2019-04-30 | 2022-02-01 | 特瑞堡里德凯尔克公司 | Water stop joint and method for mounting water stop joint |
| US11873641B2 (en) | 2019-04-30 | 2024-01-16 | Trelleborg Ridderkerk B.V. | Watertight joint and method of installing a watertight joint |
| CN113237612A (en) * | 2021-05-06 | 2021-08-10 | 郑州大学 | Test device for simulating grouting reinforcement of offshore wind turbine |
| CN113237612B (en) * | 2021-05-06 | 2024-03-19 | 郑州大学 | Test device for simulating grouting reinforcement of offshore wind turbine |
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Application publication date: 20140423 |