CN208517813U - The waterproof construction of new bridge and old bridge beam longitudinal seam - Google Patents
The waterproof construction of new bridge and old bridge beam longitudinal seam Download PDFInfo
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- CN208517813U CN208517813U CN201820065886.1U CN201820065886U CN208517813U CN 208517813 U CN208517813 U CN 208517813U CN 201820065886 U CN201820065886 U CN 201820065886U CN 208517813 U CN208517813 U CN 208517813U
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Abstract
The utility model discloses the waterproof constructions of a kind of new bridge and old bridge beam longitudinal seam.The longitudinal spliced seam of the old and new's bridge is divided into A sections, B sections, C sections, D sections and five segment structure of E section.New old bridge is connected with GD elastic concrete, as seamless spliced seam.The utility model is according to the design for splicing crack structure, piece waterproof construction is carried out using a three stifled thin principles, rainy day the old and new's bridge edge joint position is solved due to lower part leak, so as to cause lower section sewage stain, the stylish old bridge beam edge joint position of low temperature, which leads to the problem of sleet, influences lower section operational safety, water repellent component is secured, and effect is good, is hardly damaged.
Description
Technical field
The utility model relates to bridge waterproof fields, and in particular, to a kind of new bridge and old bridge beam longitudinal seam it is anti-
Water-bound.
Background technique
As the epoch grow rapidly, a large amount of bridges, viaduct need to be widened to meet big flow traffic, and new bridge and old bridge it
Between bridge deck splicing seams as communication device, play the role of vital.Bridge deck is divided into asphalt surface course and concrete is spread
Fill layer.Asphalt surface course is the aggregate for being attached to the bonding of gathering materials of pitch and being combined, and the chemistry between asphalt and aggregate is pasted
It is weaker, and the polarity of water is stronger, thus water can be dynamic by being seeped into union conflux above pave-load layer under pitch.
First, water can enter lower part by the gap between piece structure of mating formation on road surface；
Second, water can enter piece by gap between pitch and concrete on road surface；
Third, water can enter piece by piece upper surface on road surface；
4th, water can penetrate into lower part between beam slab and screed-coat on road surface.
At splicing seams on the one hand infiltration forms sewage stain below bridge, influences beauty；Still further aspect is lower in temperature
Under conditions of, it easily forms ice slush and constantly becomes larger, security threat is caused to passage below bridge；Most importantly ponding cannot have
Effect export, meeting eating texture layer, shortens bridge service life.New old bridge edge joint position percolating water is reduced as people's urgent need to resolve
Problem.
Utility model content
The utility model provides a kind of new bridge and old bridge beam longitudinal seam to solve the above problem in the prior art
Waterproof construction.Its practical and efficient, sound construction cost, good water-proof effect.
In order to achieve the above object, the utility model is achieved by the following technical programs:
The purpose of this utility model is to solve the old and new's bridge edge joint position rainy day since rainwater will lead to lower part leak, to lead
Lower section sewage stain is caused to design the stifled thin waterproof project of one kind three.Waterproof method, packet are stitched more particularly to a kind of the old and new's bridge jointing
Include it is at the old and new's bridge jointing seam that beam-ends overhanging polymer mortar is levelling, with epoxy resin brushing before levelling, it is ensured that
Adhesive property and waterproof effect prevent water from seeping under screed-coat and beam slab interface, guarantee impermeable between C and D；Stopped with abnormity
Two sides that water band is mounted on AB, E are bonded in the outside of special-shaped waterstop with epoxy adhesive, prevent the interface A, B from having water
It penetrating into, inside, Nian Jie with GD elastic concrete by epoxy adhesive above special-shaped waterstop, when mercury dropped cross-direction shrinkage,
Surface has a crack, but 2 two sides of special-shaped waterstop are all combined together with epoxy with mating formation, and water cannot be introduced into.It is set in seam crossing
Bird type waterstop is set, lower part and screed-coat strong bond by epoxy adhesive bird type waterstop have prevented water from seam
Place is lower to seep.The water receiving tank of the groove connection bridge two sides of bird type waterstop lower part, the ponding in piece is discharged, bird type waterstop
The steel plate of top plays a supportive role, and GD elastic concrete is prevented to be recessed into the groove of bird type waterstop, while guaranteeing that groove is unimpeded.
Further, groove is additionally provided with below the bird type waterstop.
Further, the special-shaped waterstop is rubber material for cooperating the old and new's bridge jointing to stitch transversal stretching.
Further, the special-shaped sealing belt shape is hook.
Further, the old and new's bridge jointing seam end overhangs between wall and special-shaped waterstop and the old and new's bridge jointing stitches four
Zhou Jun smears epoxy waterproof bonding agent according to 1-2kg/ ㎡.
Further, bird type waterstop groove two-port is connect with downpipe, and downpipe is for being discharged groove internal water accumulation.
Further, the old and new's bridge jointing seam is having a size of usually width 300-500mm, depth 100-200mm.
The bridge longitudinal slot hermetic water-proof structure includes A sections, B sections, C sections, D sections and five segment structure of E section.
The utility model has the beneficial effects that the utility model is levelling by polymer mortar, special-shaped waterstop and bird type stop
The water-proof system for each structure that water band combines, epoxy waterproof bonding agent is combined closely, water is isolated from except piece structure；Bird type stops
The groove discharge of water band enters the water of piece by other approach.The utility model solve rainy day the old and new's bridge edge joint position due to
Lower part leak, so as to cause lower section sewage stain, the stylish old bridge beam edge joint position of low temperature, which generates sleet, influences asking for lower section operational safety
Topic, water repellent component is secured, and effect is good, is hardly damaged.
Detailed description of the invention
Fig. 1 is that the utility model the old and new bridge jointing stitches waterproof construction schematic diagram.
Fig. 2 is special-shaped waterstop detailed structure view in the utility model.
Fig. 3 is bird type waterstop detailed structure view in the utility model.
The mark in the figure shows: 1- bird type waterstop；2- abnormal shape waterstop；The micro- arch steel plate of 3-；The gap 4-；A- asphalt pavement
Layer；B- concrete pavement layer；C- polymer mortar screed-coat；The new bridge of D1-；D2- old bridge beam；E-GD elastic concrete.
Specific embodiment
With reference to the accompanying drawing 1 and specific embodiment further illustrate the technical solution of the utility model, embodiment is not
It can be not understood as the limitation to technical solution.
The beam-ends overhanging polymer mortar of new bridge D1 and old bridge beam D2 is levelling, and general new bridge D1 is only looked for slightly
Flat, main levelling old bridge beam D2, hanging the beam-ends of new bridge D1 and old bridge beam D2, two sides are slightly higher, and intermediate slightly lower, this way can
Ponding in guidance gap flows to lower among gap.In screed-coat C upper and lower brushing epoxy waterproof bonding agent.In gap 4
Top arrangement enhancing piece intensity prevents micro- arch steel plate of elastic concrete slump, is located at micro- 3 new old bridge in top two sides of arch steel plate
Beam splicing seams end, which overhangs, is arranged special-shaped waterstop on wall, the longitudinal piece of the abnormal shape waterstop 2 laterally also has flexible, winter temperature
When decline is shunk, surface has a crack, but 2 two sides of special-shaped waterstop are all combined together with epoxy with mating formation, and water cannot be introduced into.
E sections are that baseline pours GD elastic concrete to pave-load layer absolute altitude with bird type waterstop 1.
Specific process of waterproof may be simply referred to as a three stifled thin processes:
Firstly, beam-ends overhanging is C sections levelling with polymer mortar, bottom brushing epoxy waterproof bonding agent.This is waterproof mistake
First in journey is stifled.
Then, special-shaped waterstop 2, special-shaped waterstop 2 are being installed on the splicing seams side wall of new bridge D1 and old bridge beam D2
It is bonded together by epoxy waterproof bonding agent and side wall of mating formation, elastic concrete E.This be used as three stifled one dredge during the
Two is stifled.
Followed by, bird type waterstop 1 is arranged in the new bridge D1 of B section (8) and old bridge beam D2 gap interface in gap, this is
It is stifled for the third in process of waterproof.In addition, connection landing drainpipe, which is used to drain in ponding, to be discharged, this is in bird type waterstop 1
For the ponding at new bridge D1 and the gap old bridge beam D2 is exported, i.e., three stifled one dredge during one dredge.
Finally, absolute altitude of the cast in situs GD elastic concrete extremely with new bridge, levelling new bridge D1 into the gap of AB sections (7)
With the gap of old bridge beam D2, entire process of waterproof is completed.
Whole process is a three stifled thin waterproofs, stronger relative to common one of bridge waterproof device, is led to simultaneously
Cross one dredge during water is exported, reduce the ponding on new bridge D1 and old bridge beam D2.
The purpose of this utility model is to solve the old and new's bridge edge joint position rainy day since rainwater will lead to lower part leak, to lead
Cause lower section sewage stain.Sleet is led to the problem of under low temperature influences lower section operational safety, designs the stifled thin waterproof project of one kind three.
This splicing seams waterproof construction substructure does not connect, and superstructure is connected with GD elastic concrete, as seamless spliced seam, plays
Bridge expanssion joint effect.Lower part pave-load layer GD elastic concrete two sides are connected with special-shaped rubber water stop, and two sides water is prevented to enter
In splicing seams, while the deformable bridge lateral that meets of special-shaped waterstop stretches；It is viscous that gap surrounding further uniformly smears epoxy
Agent is connect, enhances waterproof effect again.Bird type waterstop will leak the water resistance to get off every above waterstop in piece, cutting is flowed
It drops down to lower section beam slab.GD elastic concrete lower part and side are connected with epoxy waterproof adhesive.It is fluted among bird type waterstop,
Groove both ends connect downpipe, piece internal water accumulation are discharged, to realize the effect of anti-splicing seams leak, infiltration.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (5)
1. the waterproof construction of a kind of new bridge and old bridge beam longitudinal seam, which is characterized in that including dividing the old and new's bridge jointing seam
At A sections, B sections, C sections, D sections and five sections of waterproof constructions of E section；
The splicing seams side wall of new bridge D1 and old bridge beam D2 is epoxy adhesive, installs special-shaped waterstop (2), the abnormal shape sealing
Band (2) is bonded together by epoxy waterproof bonding agent with side wall of mating formation；
Bird type waterstop (1) is set above leveling C and is fixed with epoxy waterproof bonding agent, bird type waterstop (1) lowest point
Fluted, connection landing drainpipe, which is used to drain in ponding, to be discharged；
It is GD elastic concrete in E sections of the gap, beam-ends overhangs bottom epoxy waterproof bonding agent.
2. the waterproof construction of a kind of new bridge and old bridge beam longitudinal seam according to claim 1, which is characterized in that described
Groove is additionally provided with below bird type waterstop.
3. the waterproof construction of a kind of new bridge and old bridge beam longitudinal seam according to claim 1, which is characterized in that described
Special-shaped waterstop is rubber material for cooperating the old and new's bridge jointing to stitch transversal stretching.
4. the waterproof construction of a kind of new bridge and old bridge beam longitudinal seam according to claim 1, which is characterized in that described
Special-shaped sealing belt shape is hook.
5. the waterproof construction of a kind of new bridge and old bridge beam longitudinal seam according to claim 1, which is characterized in that described
The old and new's bridge jointing stitches between end overhanging wall and special-shaped waterstop, screed-coat up and down and the old and new's bridge jointing seam surrounding is according to 1-
2kg/ ㎡ smears epoxy waterproof bonding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820065886.1U CN208517813U (en) | 2018-01-16 | 2018-01-16 | The waterproof construction of new bridge and old bridge beam longitudinal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820065886.1U CN208517813U (en) | 2018-01-16 | 2018-01-16 | The waterproof construction of new bridge and old bridge beam longitudinal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208517813U true CN208517813U (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820065886.1U Active CN208517813U (en) | 2018-01-16 | 2018-01-16 | The waterproof construction of new bridge and old bridge beam longitudinal seam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316137A (en) * | 2018-01-16 | 2018-07-24 | 上海申继交通科技有限公司 | New bridge and old bridge beam longitudinal seam waterproof method and waterproof construction |
| CN110453650A (en) * | 2019-07-02 | 2019-11-15 | 北京质诚捷讯水利工程有限公司 | A kind of aqueduct water sealing structure and its construction method |
-
2018
- 2018-01-16 CN CN201820065886.1U patent/CN208517813U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316137A (en) * | 2018-01-16 | 2018-07-24 | 上海申继交通科技有限公司 | New bridge and old bridge beam longitudinal seam waterproof method and waterproof construction |
| CN110453650A (en) * | 2019-07-02 | 2019-11-15 | 北京质诚捷讯水利工程有限公司 | A kind of aqueduct water sealing structure and its construction method |
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