CN205100090U - Seal structure between roof beam of bridge - Google Patents
Seal structure between roof beam of bridge Download PDFInfo
- Publication number
- CN205100090U CN205100090U CN201520921351.6U CN201520921351U CN205100090U CN 205100090 U CN205100090 U CN 205100090U CN 201520921351 U CN201520921351 U CN 201520921351U CN 205100090 U CN205100090 U CN 205100090U
- Authority
- CN
- China
- Prior art keywords
- hermetically
- horizontal beam
- sealed construction
- bridge
- distance space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 26
- 239000000853 adhesive Substances 0.000 claims description 23
- 230000001070 adhesive effect Effects 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 229920002396 Polyurea Polymers 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 239000000565 sealant Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 11
- 229920001971 elastomer Polymers 0.000 description 6
- 239000005060 rubber Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a bridge field discloses a seal structure between roof beam of bridge, and this bridge is including border on first horizontal beam (1) and second horizontal beam (2) in order to form the bridge floor each other, and the contiguous end of this first horizontal beam (1) and second horizontal beam (2) is relative just two each other be formed with safe clearance space between the contiguous end, wherein, between the roof beam seal structure include through the pouring fill in safe clearance space's elastic sealant (4). Through above -mentioned technical scheme, seal between the roof beam of elastic sealant to the bridge that can pour into a mould through using, can adapt to roof beam clearance space's dimensional change within a definite time well, prevent the seal structure fracture, improve sealed effect to can avoid ponding to cause the erosion from flowing down to bridge structures between the roof beam.
Description
Technical field
The utility model relates to bridge field, particularly, and hermetically-sealed construction between the beam relating to a kind of bridge.
Background technology
For in the concrete-bridge of common railway, between the beam-ends for the formation of the horizontal beam of bridge floor primary load bearing structure, be generally formed with interval, with expanding with heat and contract with cold of buffered water flat-topped ridge.
The beam-ends of horizontal beam is generally only made the simple gear tiny fragments of stone, coal, etc. and is covered, and do not have the function of waterproof, draining, under therefore seam crossing sewage beam end flow to bridge, the corrosion phenomenon of pontic and bridge pier is serious, causes greatly shorten the application life of bridge.
Between the beam of the horizontal beam of some bridges, seam crossing adopts rubber fastening band sealing, but still there is following problem:
(1) rubber fastening band easily comes off from the shaped steel embedded slot of horizontal beam, waterproof sealing function completely loses, and the impact of the rail system of bridge floor carrying, be difficult to change after causing the rubber strip between beam to come off, the rubber fastening band changed at the beam-ends place not being coated with rail system reluctantly also also exists build-in problem loosely;
(2) rubber fastening band belongs to fixed telescopic seam, its installation accuracy requires higher, once occur and problem that between the bridge erection back rest, seam size is not inconsistent, as faulting of slab ends, torsion, be out of shape directly causing shrinkage joint and increase installation difficulty, having a strong impact on application life and bridge floor guarded drainage quality.
In addition, due to the repeated action of long term frequent of macro-axis heavy cargo row, after between beam, hermetically-sealed construction lost efficacy, the impact of the outside environmental elements such as water in addition, concrete deterioration development speed is faster, double.
Therefore, need to provide hermetically-sealed construction between a kind of sealing effectiveness better beam.
Utility model content
The purpose of this utility model is to provide hermetically-sealed construction between sealing effectiveness better beam.
To achieve these goals, hermetically-sealed construction between the beam that the utility model provides a kind of bridge, this bridge comprises adjacent to each other with the first horizontal beam forming bridge floor and the second horizontal beam, the abutting end of this first horizontal beam and the second horizontal beam toward each other and be formed with personal distance space between two described abutting ends, wherein, described hermetically-sealed construction comprises the elaxtic seal being filled in described personal distance space by cast.
Preferably, described elaxtic seal is polyurethane elastomer material.
Preferably, between described beam, hermetically-sealed construction also comprises the support portion of the bottom being arranged on described personal distance space.
Preferably, described support portion is cystosepiment or air bag, and the pars intermedia of described support portion raises up, and makes close described first horizontal beam of described support portion or the marginal portion of described second horizontal beam and the difference in height of described pars intermedia be less than 5mm.
Preferably, the end face of the described abutting end of described first horizontal beam and described second horizontal beam is coated with adhesive linkage respectively, with bonding described elaxtic seal.
Preferably, described adhesive linkage is polyurethane adhesive coating.
Preferably, between described beam hermetically-sealed construction also comprise be coated on described elaxtic seal exposed surface on the topping be made up of polyurea materials.
Preferably, the end face of the described abutting end of described first horizontal beam and/or described second horizontal beam is embedded with metal reinforcing, this metal reinforcing be exposed to described end face at least partly.
Preferably, this metal reinforcing is the C shape channel-section steel being embedded in described abutting end, and this C shape channel-section steel towards described personal distance space openings, makes described elaxtic seal can be filled in the groove of C shape channel-section steel on the end face of described abutting end.
Preferably, the described elaxtic seal being filled in described personal distance space is formed as the dash boss vertically protruding from described personal distance space in the both sides of described first horizontal beam and described second horizontal beam.
Pass through technique scheme, seal between the beam of bridge by using pourable elaxtic seal, the change in size of clearance space between beam can be adapted to well, prevent hermetically-sealed construction from rupturing, improve sealing effectiveness, thus ponding can be avoided to cause erosion from flowing down between beam to bridge construction.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for manual, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of hermetically-sealed construction between the beam according to a kind of detailed description of the invention of the present utility model.
Fig. 2 is the schematic diagram of hermetically-sealed construction between the beam according to another kind of detailed description of the invention of the present utility model.
Description of reference numerals
1 first horizontal beam 2 second horizontal beam
3 support portion 4 elaxtic seals
5 adhesive linkage 6 toppings
7 metal reinforcings
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In this article, except doing contrary explanation, the length direction that definition " length direction " is bridge, " width " is the width of described bridge.
Hermetically-sealed construction between the beam that the utility model provides a kind of bridge, this bridge comprises adjacent to each other with the first horizontal beam 1 and the second horizontal beam 2 forming bridge floor, the abutting end of this first horizontal beam 1 and the second horizontal beam 2 toward each other and be formed with personal distance space between two described abutting ends, wherein, described hermetically-sealed construction comprises the elaxtic seal 4 being filled in described personal distance space by cast.
Elaxtic seal 4 is pourable shaped material, and can be cast in described personal distance space by the elaxtic seal 4 of flow morphology by casting machine, elaxtic seal 4 can be solidified as elastic body afterwards, plays sealing function.The upper surface of the first horizontal beam 1 and the second horizontal beam 2 is formed as the bearing surface of bridge, may be used for carrying railroad track, by the method for cast, when not moving track, elaxtic seal can be cast in the described personal distance space under track.In addition, owing to having elasticity, the change in size in the described personal distance space caused of expanding with heat and contract with cold due to the first horizontal beam 1 and the second horizontal beam 2 can be tolerated, ensure sealing effectiveness.
Elaxtic seal 4 can be multiple material, such as polymer sealant etc.; Preferably, elaxtic seal 4 is polyurethane elastomer material.Polyurethane elastomer material anti-wear performance is good, mechanical strength is high, favorable sealing property, and there is higher elasticity, high elongation rate, especially, casting type polyurethane elastomer material can be filled in described personal distance space by casting machine, to realize the object not moving bridge floor institute bearing structure.Can carry out at the two ends in described personal distance space (two ends along described width) at use casting machine cast elaxtic seal 4, by levelability and the external pressurized effect of elaxtic seal 4 itself, in described personal distance space under elaxtic seal 4 is flowed into structure that bridge carries, realize comprehensive sealing.
In addition, between described beam, hermetically-sealed construction also comprises the support portion 3 of the bottom being arranged on described personal distance space.Sealing function itself can not be played substantially in support portion 3, but, drop in order to avoid the fluent material be cast in described personal distance space leaks, therefore need to arrange support portion 3 to carry elaxtic seal 4.
Particularly, support portion 3 is cystosepiment or air bag, and the pars intermedia of support portion 3 raises up, and makes close first horizontal beam 1 of support portion 3 or the marginal portion of the second horizontal beam 2 and the difference in height of described pars intermedia be less than 5mm.The density of elaxtic seal 4 is relatively little, and total quality is relatively light, and therefore support portion 3 can be supported in described personal distance space by the effect of frictional force.The pars intermedia of support portion 3 raises up, but should ensure that the difference of the hermetically-sealed construction thickness vertically that elaxtic seal 4 is formed is less than 5mm.Air bag can be positioned over the correct position in described personal distance space when not inflating completely, then inflate this air bag is stably supported to it.
In addition, the end face of the described abutting end of the first horizontal beam 1 and the second horizontal beam 2 is coated with adhesive linkage 5, respectively with bonding elaxtic seal 4.Adhesive linkage 5, for the end face of bonding elaxtic seal 4 and the first horizontal beam 1 and the second horizontal beam 2, improves bonding strength, prevents elaxtic seal 4 from coming off, avoid seal failure.
Particularly, adhesive linkage 5 can be made for multiple material, such as polymeric adhesive etc., and preferably, adhesive linkage 5 is polyurethane adhesive coating.The material of polyurethane adhesive and any surface finish such as the porous material such as foam, plastics and metal, glass, rubber, plastics has excellent chemical adhesive power, possess excellent shear strength and impact property, be applicable to various structural bonding field, and possess excellent flexible nature, and can be formed between base material and there is soft-hard transition zone, not only bonding force is strong, also has excellent buffering, shock-absorbing function simultaneously.Polyurethane adhesive and polyurethane elastomer material similitude are comparatively large, can combine well.
In addition, between described beam hermetically-sealed construction also comprise be coated on elaxtic seal 4 exposed surface on the topping 6 be made up of polyurea materials.Polyurea materials not only has excellent abrasion resistance, impact resilience, cracking resistance, UV resistant and high and low temperature resistance, and it is high in efficiency of construction, once construction can reach design thickness, also not by environment temperature, humidity effect, can on arbitrary surface, inclined-plane and vertical plane fast spraying shaping.Polyurea materials belongs to polyurethane similar material, comparatively large with polyurethane elastomer material similarity, can combine well, and protects polyurethane elastomer material to avoid impacting and action of ultraviolet radiation.
According to a kind of detailed description of the invention of the present utility model, as shown in Figure 2, the end face of the described abutting end of the first horizontal beam 1 and/or described second horizontal beam 2 is embedded with metal reinforcing 7, this metal reinforcing 7 be exposed to described end face at least partly.When carrying out coating adhesive linkage 5 or cast elaxtic seal 4, needing to clear up metal reinforcing 7, removing the rusty stain of metal surface, keep metal surface to clean, avoid metal reinforcing 7 to reduce with adhesive linkage 5 or elaxtic seal 4 adhesion.
Further, metal reinforcing 7 is for being embedded in the C shape channel-section steel of described abutting end, this C shape channel-section steel on the end face of described abutting end towards described personal distance space openings, make described elaxtic seal 4 can be filled in the groove of C shape channel-section steel, improve the adhesion of elaxtic seal 4 and metal reinforcing 7.When needs coating adhesive linkage 5, also can apply adhesive linkage 5 on the exposed surface of C shape channel-section steel, improve the adhesion of metal reinforcing 7 and elaxtic seal 4.
In addition, the elaxtic seal 4 being filled in described personal distance space is formed as the dash boss (not shown) vertically protruding from described personal distance space in the both sides of the first horizontal beam 1 and the second horizontal beam 2.Described dash boss is positioned at the both sides of the bridge floor of described bridge, for stopping the runs down both sides of the sewage on bridge floor from bridge, avoids sewage to cause erosion to bridge construction.This dash boss also can cover above-described topping 6.
The work progress of hermetically-sealed construction between the beam now describing bridge according to the most preferred embodiment of the utility model.
S1, use the described abutting end of long-armed grinding apparatus, pressure-air equipment cleaning first horizontal beam 1 and the second horizontal beam 2, if described abutting end is embedded with metal reinforcing 7, it is cleared up, keep the exposed surface of described abutting end clean dry.
S2, in described personal distance space, place air bag, and inflate stably to be supported in described personal distance space to this air bag, and ensure that the pars intermedia of described air bag and the difference in height of marginal portion are less than 5mm; The polyurethane elastomer material that takes a morsel is cast in the contact position of air bag and described abutting end, improves sealing.
S3, use long-armed nozzle on the exposed surface of described abutting end spraying polyurethane bonding adhesive formed adhesive linkage 5, sprayed rear use minisize pick-up head and checked; The upper surface of described abutting end can hand spray polyurethane adhesive.
S4, poured into a mould at the two ends of the polyurethane elastomer material of extemporaneous preparation in described personal distance space by casting machine, until fill full polyurethane elastomer material in described personal distance space, wherein pouring temperature is 45-50 degree.
S5, after polyurethane elastomer material solidifies, spray polyurea material protection layer on the exposed surface of polyurethane elastomer material.
Wherein, second pouring is carried out to the two ends in described personal distance space and form the dash boss vertically protruding from described personal distance space.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. hermetically-sealed construction between the beam of a bridge, this bridge comprises adjacent to each other with the first horizontal beam (1) forming bridge floor and the second horizontal beam (2), the abutting end of this first horizontal beam (1) and the second horizontal beam (2) toward each other and be formed with personal distance space between two described abutting ends, it is characterized in that, between described beam, hermetically-sealed construction comprises the elaxtic seal (4) being filled in described personal distance space by cast.
2. hermetically-sealed construction between beam according to claim 1, is characterized in that, described elaxtic seal (4) is polyurethane elastomer material.
3. hermetically-sealed construction between beam according to claim 1, is characterized in that, between described beam, hermetically-sealed construction also comprises the support portion (3) of the bottom being arranged on described personal distance space.
4. hermetically-sealed construction between beam according to claim 3, it is characterized in that, described support portion (3) is cystosepiment or air bag, and the pars intermedia of described support portion (3) raises up, close described first horizontal beam (1) of described support portion (3) or the marginal portion of described second horizontal beam (2) and the difference in height of described pars intermedia is made to be less than 5mm.
5. hermetically-sealed construction between beam according to claim 1, it is characterized in that, the end face of the described abutting end of described first horizontal beam (1) and described second horizontal beam (2) is coated with adhesive linkage (5) respectively, with bonding described elaxtic seal (4).
6. hermetically-sealed construction between beam according to claim 5, is characterized in that, described adhesive linkage (5) is polyurethane adhesive coating.
7. hermetically-sealed construction between beam according to claim 1, is characterized in that, between described beam hermetically-sealed construction also comprise be coated on described elaxtic seal (4) exposed surface on the topping (6) be made up of polyurea materials.
8. hermetically-sealed construction between beam according to claim 1, it is characterized in that, the end face of the described abutting end of described first horizontal beam (1) and/or described second horizontal beam (2) is embedded with metal reinforcing (7), this metal reinforcing (7) be exposed to described end face at least partly.
9. hermetically-sealed construction between beam according to claim 8, it is characterized in that, this metal reinforcing (7) is for being embedded in the C shape channel-section steel of described abutting end, this C shape channel-section steel towards described personal distance space openings, makes described elaxtic seal (4) can be filled in the groove of C shape channel-section steel on the end face of described abutting end.
10. hermetically-sealed construction between beam according to claim 1, it is characterized in that, the described elaxtic seal (4) being filled in described personal distance space is formed as the dash boss vertically protruding from described personal distance space in the both sides of described first horizontal beam (1) and described second horizontal beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520921351.6U CN205100090U (en) | 2015-11-18 | 2015-11-18 | Seal structure between roof beam of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520921351.6U CN205100090U (en) | 2015-11-18 | 2015-11-18 | Seal structure between roof beam of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205100090U true CN205100090U (en) | 2016-03-23 |
Family
ID=55515880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520921351.6U Active CN205100090U (en) | 2015-11-18 | 2015-11-18 | Seal structure between roof beam of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205100090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256715A (en) * | 2015-11-18 | 2016-01-20 | 中国神华能源股份有限公司 | Sealing structure between beams of bridge |
| CN113089468A (en) * | 2021-05-14 | 2021-07-09 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
-
2015
- 2015-11-18 CN CN201520921351.6U patent/CN205100090U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256715A (en) * | 2015-11-18 | 2016-01-20 | 中国神华能源股份有限公司 | Sealing structure between beams of bridge |
| CN113089468A (en) * | 2021-05-14 | 2021-07-09 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
| CN113089468B (en) * | 2021-05-14 | 2022-05-03 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102296545A (en) | Method for quickly repairing existing expansion joints of concrete railway bridge | |
| CN110029576B (en) | Steel-free seamless bridge expansion joint device and construction process thereof | |
| CN108035245A (en) | Novel fabricated seamless expansion-contraction devices and its construction method | |
| CN206143627U (en) | Bridge elastic expansion stitches device | |
| CN205100090U (en) | Seal structure between roof beam of bridge | |
| JP5294672B2 (en) | Method for joining bridges | |
| CN103952972A (en) | Bridge expansion joint structure | |
| CN107724188A (en) | A kind of prefabricated floating plate railway roadbed vibrating isolation system | |
| CN101892631B (en) | Bridge expansion joint structure and construction technology thereof | |
| CN110593134B (en) | Intelligent highway concrete bridge expansion joint transition area repairing structure and construction method thereof | |
| CA2832030A1 (en) | Integrated ballast mat | |
| CN204455811U (en) | A kind of water-stopping structure of bridge extension joint | |
| CN108265619A (en) | A kind of bridge abutment structure and its construction method for jointless bridge | |
| CN206127876U (en) | Bridge is with exempting from to clear up expansion joint | |
| RU2338025C1 (en) | Gliding channel for rail trough | |
| CN105256715A (en) | Sealing structure between beams of bridge | |
| CN210134347U (en) | Durable cement bridge deck thin layer pavement structure | |
| CN208748508U (en) | A kind of bridge abutment structure for jointless bridge | |
| CN205295927U (en) | Bridge longitudinal seam waterproof seal structure | |
| JP3155525U (en) | Joint repair structure between bridge girders | |
| CN206655117U (en) | Railroad bridge Fast Installation expansion joint | |
| KR20140028846A (en) | Embedded rail track system and method for constructing the system | |
| CN207973997U (en) | Inverted T shaped bloom bridge extension joint | |
| CN104818670A (en) | Waterproof structure of high speed railway ballastless concrete bridge continuous concrete carriageway plate system | |
| CN108301319A (en) | The novel butt type expansion installation of steel cylinder bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |