CN206941658U - The double water sealing structures of concrete extension joint - Google Patents
The double water sealing structures of concrete extension joint Download PDFInfo
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- CN206941658U CN206941658U CN201720861702.8U CN201720861702U CN206941658U CN 206941658 U CN206941658 U CN 206941658U CN 201720861702 U CN201720861702 U CN 201720861702U CN 206941658 U CN206941658 U CN 206941658U
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Abstract
The double water sealing structures of concrete extension joint, including a phase structure and the second stage of structure, between one phase structure and the second stage of structure formed with parting at, the first groove and the second groove are preset with the section of the one phase structure, the second stage of structure is embedded with the first sealing piece and the second sealing piece, and first alar part of first sealing piece is embedded in the second stage of structure in advance, another first alar part is located in the first groove；One the second alar part of second sealing piece is embedded in the second stage of structure in advance, another second alar part is located in the second groove；First variant part and the second deformation position are at the parting；Sealant layer, watertight insulation and the first space plate are sequentially filled with the parting, first groove and the second groove are filled with the second space plate, the sealant layer is located at the first sealing piece with watertight insulation and is arranged at intervals in the side away from the second sealing piece, the watertight insulation and the first sealing piece.It has the advantages of significantly improving sealing reliability.
Description
Technical field
It the utility model is related to the water sealing structure applied to Hydraulic and Hydro-Power Engineering technical field, more particularly to a kind of concrete
The double water sealing structures in expansion joint.
Background technology
In existing concrete structure, such as the underground engineering such as checkdam, cistern, subway, culvert, sluice, tunnel
In, due to being unable to continuous placing or the deformation due to settlement of foundation (earthquake), or the concrete structure caused by the change of temperature
The reason such as expand with heat and contract with cold of part, expansion joint, movement joint will be reserved when pouring, these gaps will take anti-seep measure, prevent
External water or underground water are leaked into structure space.
To prevent these expansion joint leaks, it will usually in casting concrete, stop across stitching pre-buried Copper water stop and/or rubber
Water.It it is about 1 millimeter generally from thickness, the stronger copper sheet of deformability is made by taking Copper water stop as an example.The copper sheet of both wings pours
In concrete, the projection of nose shape is reserved in seam crossing, as copper sheet deformation position, to absorb expansion joint deformation.In water
During work building is run, when temperature stress or foundation settlement be present, expansion joint is caused to occur opening, settle or shearing displacement
When, the nose meeting corresponding deformation of Copper water stop, so as to play water-stagnating effect.
In practice of construction, workmen generally by Copper water stop it is in place after, direct casting concrete, cause concrete and copper
Nose closely fits together, and copper lug is substantially tightly wrapped up by concrete.This close package action of concrete, leads
Causing Copper water stop nose, resistance is excessive, copper lug deformability be present and does not give full play to also, copper nose when being deformed with seam deformation
The possibility that sub- root has been pulled off, greatly reduce the sealing reliability of Copper water stop.Practical Project Copper water stop destroys
In case, the ratio that copper lug root is pulled off destruction is highest, has also absolutely proved this tight effect of concrete
To the harmfulness of Copper water stop.
Utility model content
The purpose of this utility model is to provide a kind of concrete extension joint double water sealing structures, and it, which has, significantly improves sealing
The advantages of reliability.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of double water sealing structures of concrete extension joint, including a phase structure and the second stage of structure, a phase structure and the second stage of structure
Between formed with parting at, the first groove and the second groove are preset with the section of the phase structure, the second stage of structure
It is embedded with the first sealing piece and the second sealing piece, first sealing piece includes the first variant part and two the first alar parts, two
First alar part is connected to the both sides of the first variant part, and first alar part of first sealing piece is embedded in the second phase in advance
In structure, another first alar part is located in the first groove；Second sealing piece includes the second variant part and two second wings
Portion, two second alar parts are connected to the both sides of the second variant part, and second alar part of second sealing piece is pre-
It is embedded in the second stage of structure, another second alar part is located in the second groove；First variant part and the second deformation position are in institute
State at parting；Sealant layer, watertight insulation and the first space plate, first groove and are sequentially filled with the parting
Two grooves are filled with the second space plate, and the sealant layer is located at the first sealing piece in away from the second sealing piece with watertight insulation
Side, the watertight insulation and the first sealing piece are arranged at intervals.
By using above-mentioned technical proposal so that the second deformation of the first variant part and the second sealing piece of the first sealing piece
Portion is placed in space plate, and one is formed around the first variant part and the second variant part and is easy to the first variant part and second to deform
The space of portion's extensional deformation, the deformation that can substantially reduce the first variant part and the second variant part constrain, occur to open at expansion joint,
When sedimentation and/or shearing three-dimensional displacement, the first variant part and the second variant part can be fully extended change according to the expection of design side
Shape, significantly improve the sealing reliability of the first sealing piece and the second sealing piece.
The utility model is further arranged to：The U-shaped setting in section of first variant part, two first alar parts
It is connected to the openend of first variant part.
By using above-mentioned technical proposal, when there is opening, sedimentation or shearing displacement in concrete extension joint, the first sealing piece
During deformation, the left and right sides displacement laterally respectively of the openend of the first variant part of U-shaped setting so that the first variant part
The opening of openend becomes big, so as to play water-stagnating effect.
The utility model is further arranged to：First alar part is provided with bending in one end away from the first variant part
Portion, the kink and the first variant part homonymy are set.
By using above-mentioned technical proposal, the setting of kink, on the one hand it is used for the structural strength for strengthening the first alar part, separately
On the one hand, equivalent to the effect of handgrip, the first alar part is only caught the second stage of structure and space plate, enhance the first alar part with
The bonding strength of the second stage of structure and space plate, prevent when expansion joint from deforming between the first alar part and the second stage of structure and space plate
Produce connection displacement.
The utility model is further arranged to：The angle of the kink and the first alar part is set in obtuse angle.
By using above-mentioned technical proposal, on the premise of the structural strength of kink the first alar part of enhancing is ensured, make to mix
Solidifying soil sand slurry is easily filled in the angle of kink and the first alar part, and the situation in Concrete Filled hole occurs for prevention.
The utility model is further arranged to：First sealing piece is formed by copper sheet bending.
By using above-mentioned technical proposal, because the deformability of copper sheet is stronger, so the first sealing piece is at expansion joint
Corresponding deformation occurs during deformation, so as to play water-stagnating effect.
The utility model is further arranged to：The section of second variant part is set in annular, second deformation
The rib being internally provided with along its axis direction in portion.
By using above-mentioned technical proposal, the second variant part of the rounded setting in section has certain deformability, and
The setting of second variant part rib enhances the structural strength of the second variant part.
The utility model is further arranged to：The section undulate of the rib is set.
By using above-mentioned technical proposal, the rib that section undulate is set has certain deformability, prevents
Rib is damaged when expansion joint deforms.
The utility model is further arranged to：The convex portion for being provided perpendicular to extension direction of second alar part.
By using above-mentioned technical proposal, the setting of convex portion, on the one hand, equivalent to the effect of reinforcement, enhance second
The structural strength of alar part；On the other hand, equivalent to the effect of handgrip, the second alar part is made only to catch the second stage of structure and space
Plate, the second alar part and the second stage of structure and the bonding strength of space plate are enhanced, prevents the second alar part and two when expansion joint deforms
Connection displacement is produced between phase structure and space plate.
The utility model is further arranged to：Second sealing piece is made up of quality of rubber materials.
By using above-mentioned technical proposal, the second sealing piece has well elastic, wear-resisting made of rubber stops material
Property, resistance to ag(e)ing and tear resistance, adaptable, water resistance is good.
The utility model is further arranged to：The sealant layer is arranged to polyurethane seal glue-line, the anti-water segregation
Layer is arranged to oilpaper separation layer, and the first space plate and the second space plate are disposed as high density polyethylene (HDPE) closed-cell foam plate.
By using above-mentioned technical proposal, polyurethane seal glue-line is that have polyurethane sealant coating to form, and polyurethane is close
Sealing has the following advantages that：Excellent wearability, low-temperature pliability, performance adjustable extent is wider, and mechanical strength is big, cementability
Good, elasticity is good, has excellent restoration, is suitably adapted for dynamic juncture, and good weatherability, service life are up to 15-20, oil resistivity
Excellent, the resistance to biological aging of energy, it is moderate；Oilpaper separation layer has the function that to protect polyurethane seal glue-line, to prevent polyurethane
Sealant layer is met water and destroyed；High density polyethylene (HDPE) closed-cell foam plate not only antiseepage good leak-proof effect, and green, is applied
Work is easy.
In summary, the utility model has the advantages that：By copper sheet the first sealing piece for forming of bending with by
The cooperation of second sealing piece made of quality of rubber materials, double water sealing structures are formed, there is the advantages of complementary；The first of first sealing piece
Second variant part of variant part and the second sealing piece is placed in space plate, and the first variant part around the second variant part with forming
One space for being easy to the first variant part and the second variant part extensional deformation, can substantially reduce the first variant part and the second variant part
Deformation constraint, occur to open at expansion joint, sedimentation and/or during shearing three-dimensional displacement, the first variant part and the second variant part energy
Enough expections according to design side, deformation is fully extended, significantly improves the sealing reliability of the first sealing piece and the second sealing piece；
The setting of polyurethane seal glue-line can further improve waterproof effect of the present utility model, and oilpaper separation layer is used to protect polyurethane
Sealant layer, the waterproof action to prevent polyurethane seal glue-line are destroyed；The not only antiseepage of high density polyethylene (HDPE) closed-cell foam plate
Good leak-proof effect, and green, easy construction.
Brief description of the drawings
Fig. 1 is the sectional view of embodiment one；
Fig. 2 is the sectional view of embodiment two；
Fig. 3 is the sectional view of embodiment three.
In figure, 1, one phase structure；11st, the first groove；12nd, the second groove；2nd, at parting；3rd, the second stage of structure；4th, first stops
Water piece；41st, the first variant part；42nd, the first alar part；421st, kink；5th, the second sealing piece；51st, the second variant part；511st, strengthen
Portion；52nd, the second alar part；521st, convex portion；6th, sealant layer；7th, watertight insulation；8th, the first space plate；9th, the second space plate.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment one, the double water sealing structures of concrete extension joint, as shown in figure 1, including the first sealing piece 4, the second sealing piece
5th, a phase structure 1 and the second stage of structure 3, a phase structure 1 form a face wall with the second stage of structure 3.
First sealing piece 4 is formed by copper sheet bending.First sealing piece 4 includes the first variant part 41 and two the first alar parts
42, the U-shaped setting in section of the first variant part 41, two the first alar parts 42 are connected to the openend of the first variant part 41,
And first alar part 42 perpendicular to the openend of the first variant part 41, the first alar part 42 is set in one end away from the first variant part 41
There is kink 421, the angle of the alar part 42 of kink 421 and first is in 145 ° of settings, and kink 421 and the first variant part 41 are same
Side is set.
Second sealing piece 5 is made up of quality of rubber materials, and the second sealing piece 5 includes the second variant part 51 and two the second alar parts
52, the section of the second variant part 51 is set in annular, the reinforcement being internally provided with along its axis direction of the second variant part 51
Portion 511, the section of the rib 511 are set in in-line.Two the second alar parts 52 are connected to the both sides of the second variant part 51, the
Two alar parts 52 are vertically arranged with rib 511.The both sides of second alar part 52 are provided with perpendicular to the convex portion 521 in extension direction,
Specifically, the side of second alar part 52 is respectively arranged with two convex portions 521, and this four convex portions 521 are on the second alar part 52
It is symmetrical set.
The first groove is preset with section formed with parting 2, one phase structures 1 between one phase structure 1 and the second stage of structure 3
11 and second groove 12, first alar part 42 of pre-buried first sealing piece 4 of the second stage of structure 3 and one of the second sealing piece 5
First alar part 42, during the first variant part 41 of the first sealing piece 4 is located at 2 at parting, another first alar part of the first sealing piece 4
42 are located in the first groove 11, during the second variant part 51 of the second sealing piece 5 is located at 2 at parting, the second sealing piece 5 another
Second alar part 52 is located in the second groove 12.
Be filled with the second space plate 9 in first groove 11 and the second groove 12, at parting 2 sequentially filled with sealant layer 6,
The space plate 8 of watertight insulation 7 and first, sealant layer 6 are located at the first sealing piece 4 in away from the second sealing with watertight insulation 7
The side of piece 5, watertight insulation 7 are arranged at intervals with the first sealing piece 4, and the first space plate 8 is upstream face, and sealant layer 6 is the back of the body
The water surface.
Sealant layer 6 is arranged to polyurethane seal glue-line 6, and watertight insulation 7 is arranged to oilpaper separation layer, the first space plate
8 and second space plate 9 be disposed as high density polyethylene (HDPE) closed-cell foam plate.
Embodiment two, the double water sealing structures of concrete extension joint, as shown in Fig. 2 the difference of embodiment two and embodiment one exists
In the section undulate of rib 511 is set.
Embodiment three, the double water sealing structures of concrete extension joint, as shown in figure 3, the difference of embodiment three and embodiment one exists
In the section undulate of rib 511 is set, and rib 511 be arranged in parallel with the second alar part 52.
For embodiment three is compared to embodiment one and embodiment two, when the alar part 52 of rib 511 and second be arranged in parallel,
The rib 511 is that the second variant part 51 provides one layer of waterproof layer, if the second variant part 51 positioned at the both sides of the second alar part 52 damages
Bad when, the waterproof action of the second sealing piece 5 are unaffected；And the rib 511 that the section undulate of rib 511 is set has
There is certain deformability, prevent rib 511 to be damaged when expansion joint deforms.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (10)
1. a kind of double water sealing structures of concrete extension joint, including a phase structure (1) and the second stage of structure (3), a phase structure (1) and two
Formed with (2) at parting between phase structure (3), it is characterised in that：The first groove is preset with the section of the one phase structure (1)
(11) and the second groove (12), the second stage of structure (3) is embedded with the first sealing piece (4) and the second sealing piece (5), and described
One sealing piece (4) includes the first variant part (41) and two the first alar parts (42), and two first alar parts (42) connect respectively
In the both sides of the first variant part (41), first alar part (42) of first sealing piece (4) is embedded in the second stage of structure (3) in advance
In, another first alar part (42) is located in the first groove (11)；Second sealing piece (5) include the second variant part (51) and
Two the second alar parts (52), two second alar parts (52) are connected to the both sides of the second variant part (51), and described second
One the second alar part (52) of sealing piece (5) is embedded in the second stage of structure (3) in advance, another second alar part (52) is located at the second groove
(12) in；First variant part (41) and the second variant part (51) are located at the parting (2)；(2) sequentially at the parting
Filled with sealant layer (6), watertight insulation (7) and the first space plate (8), first groove (11) and the second groove (12)
Filled with the second space plate (9), the sealant layer (6) is located at the first sealing piece (4) in away from second with watertight insulation (7)
The side of sealing piece (5), the watertight insulation (7) are arranged at intervals with the first sealing piece (4).
2. the double water sealing structures of concrete extension joint according to claim 1, it is characterised in that：First variant part (41)
The U-shaped setting in section, two first alar parts (42) are connected to the openend of first variant part (41).
3. the double water sealing structures of concrete extension joint according to claim 2, it is characterised in that：First alar part (42) in
One end away from the first variant part (41) is provided with kink (421), the kink (421) and the first variant part (41) homonymy
Set.
4. the double water sealing structures of concrete extension joint according to claim 3, it is characterised in that：The kink (421) with
The angle of first alar part (42) is set in obtuse angle.
5. the double water sealing structures of concrete extension joint according to claim 1, it is characterised in that：First sealing piece (4)
Formed by copper sheet bending.
6. the double water sealing structures of concrete extension joint according to claim 1, it is characterised in that：Second variant part (51)
Section set in annular, second alar part (52) is connected to the middle part of second variant part (51), and described second becomes
The rib (511) being internally provided with along its axis direction in shape portion (51).
7. the double water sealing structures of concrete extension joint according to claim 6, it is characterised in that：The rib (511)
Section undulate is set.
8. the double water sealing structures of concrete extension joint according to claim 6, it is characterised in that：Second alar part (52)
It is provided perpendicular to the convex portion (521) in extension direction.
9. the double water sealing structures of concrete extension joint according to claim 1, it is characterised in that：Second sealing piece (5)
It is made up of quality of rubber materials.
10. the double water sealing structures of concrete extension joint according to claim 1, it is characterised in that：The sealant layer (6) sets
It is set to polyurethane seal glue-line (6), the watertight insulation (7) is arranged to oilpaper separation layer, the first space plate (8) and the
Two space plates (9) are disposed as high density polyethylene (HDPE) closed-cell foam plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861702.8U CN206941658U (en) | 2017-07-14 | 2017-07-14 | The double water sealing structures of concrete extension joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861702.8U CN206941658U (en) | 2017-07-14 | 2017-07-14 | The double water sealing structures of concrete extension joint |
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| Publication Number | Publication Date |
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| CN206941658U true CN206941658U (en) | 2018-01-30 |
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| CN201720861702.8U Active CN206941658U (en) | 2017-07-14 | 2017-07-14 | The double water sealing structures of concrete extension joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922643A (en) * | 2021-04-21 | 2021-06-08 | 郑州地铁集团有限公司 | Shield interval caulking waterproof structure and method thereof |
-
2017
- 2017-07-14 CN CN201720861702.8U patent/CN206941658U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922643A (en) * | 2021-04-21 | 2021-06-08 | 郑州地铁集团有限公司 | Shield interval caulking waterproof structure and method thereof |
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