CN206428834U - New back-adhering waterstop - Google Patents
New back-adhering waterstop Download PDFInfo
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- CN206428834U CN206428834U CN201720036825.8U CN201720036825U CN206428834U CN 206428834 U CN206428834 U CN 206428834U CN 201720036825 U CN201720036825 U CN 201720036825U CN 206428834 U CN206428834 U CN 206428834U
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- adhering waterstop
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Abstract
The utility model is related to a kind of new back-adhering waterstop, including band body, the band body is divided into body region and welding region, and body region is the medium position with body, the both sides of body region to the edge with body is welding region, the thickness of welding region is gradually reduced, and the edge with body is minimum thickness, and the middle part of body region sets the boss raised up, in the utility model, waterstop sheet can play more preferable sealing pressure-bearing effect as plastic material, and with enhancing liner.Waterstop and coiled material welding procedure, local substitution coiled material, it is to avoid the fixation of traditional back of the body patch waterstop loosely with stress problem of misalignment, welding effect reliability is high.
Description
Technical field
The invention belongs to waterproof field, and in particular to being combined to building structure deformation, construction joint, subsiding crack with coiled material makes
With the brand-new waterproof system of composition, it is ensured that the waterproof pressure-bearing effect at works weak spot.
Background technology
Back-adhering waterstop is used for works movement joint, construction joint, at structural joint, is used as one kind of auxiliary waterproof measure
The waterproof system of solid is constituted together with main body coiled material, coiled material material is generally rubber or macromolecule resin material.This type is stopped
Water band can play waterproof pressure-bearing effect in theory, but can have some defects in actual applications and can not ensure its function
The realization of property.Waterstop is inorganic and organic combination interface with concrete interface, is solidified in rear pouring concrete contraction distortion
The two in journey can not form tight connection, and water remains unchanged the easily seepage flow from the two connection gap.Back-adhering waterstop and height
Fixed more than the compound use of molecule class coiled material using adhesive tape or hot air welding gun spot welding auxiliary, effect is not firm enough, in stress (structure
Sedimentation, surrouding rock deformation etc.) effect under easily with coiled material occur the changing of the relative positions separate, lose its feature.Deformation joint back-adhering waterstop
Bearing capacity can be provided for coiled material to go to resist underground water/artesian water head pressure, but it is resisted hydraulic pressure ability and needs to be strengthened, and it is limited
The weak binding interface between waterstop and coiled material, ambient water easily prolongs circumferential pressure duct and crosses waterstop, acts directly on waterproof
On coiled material.Rubber-like waterstop complex manufacturing technology, and mostly elastic material, anti-aging and corrosion-resistant are used in outer masterpiece
Under deform upon and keep stress concentration for a long time, further reduction durability and service life.Synthetic macromolecule resin class product
Although from the inferior position for largely avoiding rubber-based products, current product form can not also solve above three very well
The problem of aspect.
Current back of the body patch type waterstop is locally employing self-adhesion adhesive film to promote the adhesive effect with rear pouring concrete
With the technical scheme of the compound use of waterstop, such as Patent No. 204738321U.But the position of its glue-line attachment extremely has
Limit, it is impossible to ensure the overall full adhesive effect with rear pouring concrete of waterstop.The adhesive strength of glue-line and waterstop, glue-line is with after
The adhesive strength of pouring concrete, and feature performance of the cohesive force size of glue-line to whole waterstop in itself have very heavy
Influence.Therefore the functional design of whole product need to further deepen analysis, from glue-line selection, be coated with scope, interfacial force size,
The many-sides such as limit breakage state go to consider.
Utility model content
The present invention provides a kind of new-type back-adhering waterstop, can locally replace waterproof roll, and can be reached with lining cutting
Good adhesive effect.Realize that the technical scheme of above-mentioned purpose is as follows：
New back-adhering waterstop, including band body, the band body are divided into body region and welding region, and its feature exists
In：Body region is the medium position with body, and both sides to the edge with body of body region is welding region, the thickness of welding region
Degree is gradually reduced, and the edge with body is minimum thickness, and the middle part of body region sets the boss raised up.Using so
Structure, waterstop is not re-used as the attachment of waterproof roll, but can directly be carried out with coiled material with Part Substitution waterproof roll
Double slit or single seam welding are fixed.
It is preferred that, the lower end of boss, liner is set in body region, liner formation liner enhancement layer, liner
In the presence of the bearing capacity of waterstop in itself is enhanced, the preferably former material with body is plastic macromolecule material, and such material is outside
Power effect is lower can to produce certain plastic deformation, it is to avoid stress concentration.
It is preferred that, the setting fixing rib that the both sides of boss are respectively separated.
It is preferred that, in addition to boss, glue-line is coated in body region.
It is preferred that, anti-viscous weathering resistance coatings are coated on glue-line.
It is preferred that, fixing rib height is between 20cm~30cm.
It is preferred that, the liner material is any one in thin-walled steel plate, finer wire net, fiber, nylon grid.
It is preferred that, the fixing rib includes setting anti-skid structure on cylinder, head, the surface of cylinder.
In the present invention, waterstop sheet can play more preferable sealing pressure-bearing effect as plastic material, and with enhancing liner
Really.Waterstop and coiled material welding procedure, local substitution coiled material, it is to avoid the fixation of traditional back of the body patch waterstop loosely misplaces with stress
Problem, welding effect reliability is high.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram, and wherein a, b, c is respectively the asynchronous schematic diagram of boss shape
Figure number explanation：Band body 1, boss 2, fixing rib 3, glue-line 4, liner 5
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
New back-adhering waterstop, including band body 1, the band body are divided into body region and welding region, body region
Domain is the medium position with body 1, and both sides to the edge with body of body region is welding region, and the thickness of welding region gradually subtracts
Small, the edge with body is minimum thickness, and gradually thinning welding region can avoid stress raisers.Welding region is and volume
The position that material welds together, this fixed form causes the part of waterstop to instead of coiled material, is consolidated by welding manner
Fixed construction, preferably constitutes a waterproof entirety with coiled material.Material with body uses plastic macromolecule material, and such a material has
Excellent plastic deformation ability, the ess-strain of structure can be cleared up to the full extent.
The middle part of body region sets the boss 2 raised up, the setting number that the both sides of boss 2 are respectively separated
In individual fixing rib 3, the utility model, both sides most edge fixing rib 3 stretches out in process, and welding region thickness is gradually thinning.
The shape of boss 2 can be the arbitrary shape such as circle, ellipse, rectangle, trapezoidal, and boss 2 can be very good to enter
In movement joint space, certain auxiliary pressure-bearing effect is played.Fixing rib 3 increases the bond stress with concrete, and fixing rib height exists
Between 20cm~30cm, the fixing rib 3 includes that on cylinder, head, the surface of columnar part the knot of roughness can be made
Structure, is either set the projection that increase frictional force is set on anti-slip veins or leg surface, can be increased only using such structure
Water band is engaged friction with rear pouring concrete.And the head of fixing rib 3 can be the arbitrarily knot such as trapezoidal, rectangle, triangle, circle
Structure, head sizes are slightly larger than the size of main body.
The anti-viscous weathering resistance coatings of coating on glue-line 4, glue-line 4 are coated in addition to boss 2, in body region.Glue-line 4 and its
The anti-viscous weathering resistance coatings of coating can be Nian Jie with rear pouring concrete, so that waterstop is closely combined with liner structure, it is maximum
Limit avoids ambient water and the phenomenon stayed is altered along waterstop and lining concrete gap.It is preferred that glue-line 4 is plasticity pressure-sensitive adhesive layer, modeling
Property pressure-sensitive adhesive layer, waterstop and rear pouring concrete all there is good Interface adhesive strength, waterstop reaches with rear pouring concrete
Peripheral environment water seepage flow duct, will not occur at connection gap in reliable bonding；The lower end of boss, set in body region
Put liner 5, the material of liner 5 can be any one in thin-walled steel plate, finer wire net, fiber, nylon grid.
In the present invention, waterstop uses the material system by macromolecule plasticity former material and back lining materials Compound Machining extrusion molding
Into, macromolecule plasticity former material can be selected according to matched coiled material material, can from PVC, EVA, HDPE,
LDPE, ECB etc., so as to ensure that product has and the welding good capacity of coiled material in itself.Waterstop material is prevented with selected
Water coiled material has compatibility, can ensure the welding reliability of coiled material and waterstop, the thickness of waterstop can change as needed
Become, general thickness is not less than 4mm and is preferred.Specific inner lining material can be selected according to the hydraulic pressure size of waterstop active position
With sealing tape thickness so that flexible design process.
The waterstop of the present invention can locally replace waterproof roll in use, by welding region directly and both sides
Coiled material carries out welding procedure, and waterstop need to be with waterproof material in itself, with fabulous welding compatibility, preferably same material
Material.Therefore former material selection has certain specific aim, and corresponding sealing carrying material is selected according to different polymer membranes.Only
Water band outermost sealing fixing rib external demand stretches out one fixed width (thickness is slowly thinning, it is to avoid local stress is placed in the middle), as
With the overlapping regions of both sides coiled material welding procedure.The glue-line being combined with waterstop is special plasticity pressure-sensitive adhesive layer, specific
Spread attachment can be carried out under production technology in sealing belt surface.Film surface coats one layer of anti-viscous weather resistant coatings, to glued membrane
Layer plays protective action, convenient construction.The faying face of glue-line and concrete is loose structure, rear pouring concrete under the aspect of surrounding and watching
After pouring thereon, concrete slurry is combined closely with coiled material, finally, realizes that waterstop is overall by glue-line, coating collective effect
With the strong bonded of rear pouring concrete, composite waterproof system is formed.
The preferred embodiment of the utility model embodiment is these are only, is not implemented to limit the utility model
Example, all within the spirit and principle of the utility model embodiment, any modification, equivalent substitution and improvements made etc. all should be wrapped
In the protection domain for being contained in the utility model embodiment.
Claims (8)
1. new back-adhering waterstop, including band body, the band body are divided into body region and welding region, its feature exists
In：Body region is the medium position with body, and both sides to the edge with body of body region is welding region, the thickness of welding region
Degree is gradually reduced, and the edge with body is minimum thickness, and the middle part of body region sets the boss raised up.
2. new back-adhering waterstop according to claim 1, it is characterised in that：The lower end of boss, in body region
Liner is set on domain.
3. new back-adhering waterstop according to claim 1, it is characterised in that：What the both sides of boss were respectively separated
Fixing rib is set.
4. new back-adhering waterstop according to claim 1, it is characterised in that：In addition to boss, in body region
Upper coating glue-line.
5. new back-adhering waterstop according to claim 1, it is characterised in that：Anti- viscous weathering resistance coatings are coated on glue-line.
6. new back-adhering waterstop according to claim 3, it is characterised in that：Fixing rib height 20cm~30cm it
Between.
7. new back-adhering waterstop according to claim 2, it is characterised in that：The liner material be thin-walled steel plate,
Any one in finer wire net, fiber, nylon grid.
8. new back-adhering waterstop according to claim 3, it is characterised in that：The fixing rib includes cylinder, head,
Anti-skid structure is set on the surface of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036825.8U CN206428834U (en) | 2017-01-12 | 2017-01-12 | New back-adhering waterstop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036825.8U CN206428834U (en) | 2017-01-12 | 2017-01-12 | New back-adhering waterstop |
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| Publication Number | Publication Date |
|---|---|
| CN206428834U true CN206428834U (en) | 2017-08-22 |
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ID=59582175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036825.8U Active CN206428834U (en) | 2017-01-12 | 2017-01-12 | New back-adhering waterstop |
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| CN (1) | CN206428834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736453A (en) * | 2019-03-01 | 2019-05-10 | 东北大学 | A kind of combination back-adhering waterstop |
| CN113322803A (en) * | 2021-05-10 | 2021-08-31 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
-
2017
- 2017-01-12 CN CN201720036825.8U patent/CN206428834U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736453A (en) * | 2019-03-01 | 2019-05-10 | 东北大学 | A kind of combination back-adhering waterstop |
| CN113322803A (en) * | 2021-05-10 | 2021-08-31 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
| CN113322803B (en) * | 2021-05-10 | 2023-03-10 | 中国铁路设计集团有限公司 | Double-face combined anti-sticking type buried water stop belt with simple structure |
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