CN205295927U - Bridge longitudinal seam waterproof seal structure - Google Patents
Bridge longitudinal seam waterproof seal structure Download PDFInfo
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- CN205295927U CN205295927U CN201521101180.9U CN201521101180U CN205295927U CN 205295927 U CN205295927 U CN 205295927U CN 201521101180 U CN201521101180 U CN 201521101180U CN 205295927 U CN205295927 U CN 205295927U
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- Prior art keywords
- longitudinal seam
- bridge
- water
- oakum
- utility
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- 239000000463 material Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000013536 elastomeric material Substances 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 11
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 239000000806 elastomer Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000006260 foam Substances 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model discloses a bridge longitudinal seam waterproof seal structure, bridge longitudinal seam waterproof seal structure fills including fixed sealing member (2) and cover in longitudinal seam (1) the railway ballast apron (3) on longitudinal seam (1) upper portion, the sealing member is elastomer materials or is waterproof expanding material. The utility model discloses a bridge longitudinal seam waterproof seal structure can realize the waterproof seal that the bridge longitudinal seam is good, guarantees bridge structures's durability.
Description
Technical field
This utility model relates to bridge waterproof field, in particular it relates to a kind of bridge longitudinal seam hermetic water-proof structure.
Background technology
The factor affecting bridge structure quality is many-sided, and freeze-thaw cycle destruction, reinforcement corrosion, alkali, concrete carbonization etc. have been considered the main endurance issues of bridge structure. In Practical Project, the such as concrete diseases such as water permeating of bridge floor, sag of protecting coating usually occurs. Fact proved, the infiltration of water is one of the most direct and topmost reason of causing road and bridge structure to destroy. Highway at home and abroad, Railway Concrete Bridge engineering practice show, setting up effective bridge floor entirety waterproof and water drainage system is one of the important means improving Concrete Bridge Durability. The railroad bridge of some countries has it to specify especially, and concrete bridge deck waterproof is made clear stipulaties by German High-speed Railway in its design specification, it is desirable to bridge deck concrete should set up the water-proof system of total enclosing; Japan High-speed Railway bridge early stage adopts the waterproof type of " based on row ", along with deepening continuously of understanding, is provided with effective bridge deck water-proof in its high-speed railway bridge recently built.
The longitudinal seam of bridge be two panels beam (such as Simple T-Girders) placed side by side good after prolong the center-line joint in vertical line direction, be set for overcoming the unfavorable factors such as temperature shrinkage, concrete shrinkage, structure differential settlement. In recent years, cause owing to gathering or excessive water flow down at longitudinal seam place beam body medial surface to corrode the Concrete Bridge Durability disease caused and get more and more, one of longitudinal seam prominent position becoming bridge water leakage defect between beam. Traditional method for blocking of longitudinal seam is with wadding blind space, it covers metal cover board or concrete slab again to prevent railway ballast from dropping, but cover plate is simply simply secured to above longitudinal seam, easy percolating water, the hole of the wadding between seam is easy to retain water equally, causes that the erosion that beam body concrete is vulnerable to flowing water produces crack, Corrosion Reinforcement, the durability of bridge structure is produced long-term impact, finally affects structural-load-carrying capacity.
Utility model content
The purpose of this utility model is in that to provide a kind of bridge longitudinal seam hermetic water-proof structure, it is possible to realize the excellent sealing waterproof of bridge longitudinal seam, it is ensured that the durability of bridge structure.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of bridge longitudinal seam hermetic water-proof structure, described bridge longitudinal seam hermetic water-proof structure includes the fixing sealing member being filled in described longitudinal seam and covers the railway ballast cover plate on described longitudinal seam top, and described sealing member is elastomeric material or is anti-water-swelling material.
Preferably, described anti-water-swelling material is the oakum soaking polyurathamc.
Preferably, described oakum is without oakum.
Preferably, being fixed with liner plate in described longitudinal seam, described liner plate closes described longitudinal seam to form the filling space of open topped in described longitudinal seam, and described sealing member is filled in described filling space.
Preferably, the degree of depth in described filling space is 5-7 centimetre.
Preferably, described elastomeric material is polyurethane elastomer.
Preferably, described railway ballast cover plate is steel plate or concrete slab.
This utility model and prior art are different in that, the bridge longitudinal seam hermetic water-proof structure that this utility model provides by clogging elastomeric material or anti-water-swelling material in the longitudinal seam of bridge, elastomeric material or anti-water-swelling material are formed and the close-connected sealing member in longitudinal seam surface in longitudinal seam, can effectively seal longitudinal seam, it is ensured that the durability of bridge structure.
Especially, by anti-water-swelling material is set to soak the oakum of polyurathamc, longitudinal seam filled by the oakum soaking polyurathamc, the foam volume that can make polyurathamc is bigger, and increase and the cohesive force on longitudinal seam surface, thus what realize longitudinal seam effectively seals waterproof.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, but is not intended that restriction of the present utility model together with detailed description below. In the accompanying drawings:
Fig. 1 is the flow chart of the embodiment of this utility model bridge longitudinal seam hermetic water-proof structure;
Fig. 2 is the structural representation of this utility model bridge longitudinal seam hermetic water-proof structure;
Fig. 3 is the zoomed-in view at longitudinal seam place in Fig. 2;
Description of reference numerals
1 longitudinal seam 2 sealing member
3 railway ballast cover plate 4 liner plates
5 Simple T-Girders
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. It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains this utility model, it is not limited to this utility model.
In this utility model, when not making contrary explanation, the bridge longitudinal seam hermetic water-proof structure definition that the noun of locality of use usually provides for this utility model such as " upper and lower ", and consistent with direction shown in accompanying drawing 2. " inside and outside " refers to relative to inside and outside the profile of each part own. These nouns of locality above-mentioned adopt for the ease of understanding this utility model, thus should not constitute the restriction to this utility model protection domain.
Firstly the need of what illustrate it is, this utility model aims to provide a kind of bridge longitudinal seam hermetic water-proof structure, by arranging the sealing member being made up of elastomeric material or anti-water-swelling material between the longitudinal seam of bridge, the longitudinal seam of bridge can be effectively sealed against, it is achieved the waterproof between bridge longitudinal seam. In this technology concept, bridge longitudinal seam of the present utility model seals waterproof method and waterproof construction is not limited to the specific detail structure shown in Fig. 1-Fig. 3.
With reference to shown in Fig. 2, the longitudinal seam 1 of the bridge described in present embodiment be two panels Simple T-Girders 5 placed side by side good after prolong the center-line joint in vertical line direction.
Suitably shown in Figure 1, one of the present utility model embodiments, provides a kind of bridge longitudinal seam sealing waterproof method, comprises the following steps:
Step A, longitudinal seam 1 surface of cleaning bridge;
Step B, arranges sealing member 2 in described longitudinal seam 1, and to close described longitudinal seam, described sealing member 2 is anti-water-swelling material;
Step C, covers described longitudinal seam 1 with railway ballast cover plate 3.
The bridge longitudinal seam that this utility model provides seals waterproof method by clogging anti-water-swelling material in the longitudinal seam of bridge, anti-water-swelling material is formed and the close-connected sealing member in longitudinal seam surface in longitudinal seam, can effectively seal longitudinal seam, it is ensured that the durability of bridge structure.
Specifically, in step, when clearing up longitudinal seam 1 surface of bridge, it is possible to clear up longitudinal seam 1 surface between beam body by sandblasting or mechanical system, and clear up with water under high pressure, to remove the foreign material such as the dust of the concrete surface of longitudinal seam 1, cement mortar and loose concrete.
In step B of the present utility model, the sealing member 2 used is anti-water-swelling material, described anti-water-swelling material can use any material with expansion water-proof function in prior art, and in the present embodiment, described anti-water-swelling material is preferably the oakum soaking polyurathamc. Polyurathamc is mainly made up of bi-component, and the foam hole that polyurathamc is formed is to close, therefore, it is possible to ensure that water will not ooze in the past between hole. Adding oakum in polyurathamc can make foam volume bigger, and intensity is better, and can increase and the cohesive force on longitudinal seam 1 surface, by making oakum soak polyurathamc, it is possible to make oakum better absorb blown polyurethane materials.
In order to increase the cohesive force between polyurathamc further, it is preferable that described oakum is without oakum. With when soaking polyurathamc without oakum, first will put in bucket without oakum cutting, then be completely soaked without oakum by blown polyurethane materials, and need when operating with rubber gloves and keep good ventilation.
In order to increase cohesive force between the oakum soaking polyurathamc and longitudinal seam 1 surface, in described step B, when in described longitudinal seam 1, oakum is set, first by the concrete surface water-soaked of described longitudinal seam 1 both sides, then the oakum soaking polyurathamc is filled in the top of described longitudinal seam 1 again. By the surface water-soaked of longitudinal seam 1, it is possible to what make that polyurathamc reacts is more abundant, and increase and the cohesive force on described longitudinal seam 1 surface.
It is further preferred that in described step B, after being soaked by described oakum polyurathamc, then the oakum soaking polyurathamc is put into the immersion 10-60 second in water, then oakum is taken out from water, fill in described longitudinal seam 1 top.
In step C, described railway ballast cover plate 3 can be steel plate or concrete slab, covers on described longitudinal seam 1 by railway ballast cover plate 3, it is possible to protection sealing member 2 (such as blown polyurethane materials) will not be subject to the mechanical damage of railway ballast.
In another embodiment of the present utility model, before the oakum soaking polyurathamc is filled in the top of described longitudinal seam 1, first liner plate 4 is set in described longitudinal seam 1, to form the filling space of open topped in described longitudinal seam 1, the degree of depth in described filling space is 5-7 centimetre, being preferably 6 centimetres, the described oakum soaking polyurathamc is filled in described filling space, naturally expanding with by joint seal by polyurathamc.
It should be noted that in this utility model, polyurathamc is added with foaming agent in use.
In an embodiment of the present utility model, described sealing member 2 can be elastomeric material, and elastomeric material can be multiple material, for instance polymer sealant etc.; Preferably, elastomeric material is polyurethane elastomer material. Polyurethane elastomer material anti-wear performance is good, and mechanical strength is high, favorable sealing property, and has higher elasticity, high elongation rate. Described polyurethane elastomer can be casting type polyurethane elastomer material, is formed in the filling space of described longitudinal seam 1 by pouring type. Can carry out at the two ends (two ends along described width) in described filling space using casting machine cast elaxtic seal, by the levelability of elaxtic seal itself and external pressurized effect, elaxtic seal is made to flow in filling space, it is achieved the sealing of described longitudinal seam 1.
In an embodiment of the present utility model, provide a kind of bridge longitudinal seam hermetic water-proof structure, suitably with reference to shown in Fig. 2, Fig. 3, described bridge longitudinal seam hermetic water-proof structure includes the fixing sealing member 2 being filled in described longitudinal seam 1 and the railway ballast cover plate 3 covering described longitudinal seam 1 top. Described sealing member is elastomeric material or is anti-water-swelling material. Wherein, described anti-water-swelling material can be the oakum soaking polyurathamc. If the bonding dynamics between having oil or impurity liquid can reduce and foam in oakum, therefore described oakum is preferably without oakum. Blown polyurethane materials is combined generation foaming and intumescing and reacts with water, and wherein adding can be bigger without oakum foam volume, and the cohesive force of increase and joint surface. By making without oakum immersion polyurathamc, can better absorb blown polyurethane materials without oakum. Described elastomeric material can be polyurethane elastomer, and described sealing member 2 can also adopt neoprene. Described railway ballast cover plate 3 can be steel plate or concrete slab.
In another embodiment of the present utility model, for the ease of arranging sealing member 2, being fixed with liner plate 4 in described longitudinal seam 1, liner plate 4 can use plank or plastic plate. Described liner plate 4 closes described longitudinal seam 1 to form the filling space of open topped in described longitudinal seam 1, and described sealing member 2 is filled in described filling space. The degree of depth in described filling space is 5-7 centimetre, it is preferred to 6 centimetres, and correspondingly, the thickness of described sealing member 2 is 5 centimetres.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing; but; this utility model is not limited to the detail in above-mentioned embodiment; in technology concept of the present utility model; the technical solution of the utility model can being carried out multiple simple variant, these simple variant belong to protection domain of the present utility model.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode. In order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by this utility model separately.
Additionally, can also carry out combination in any 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 (7)
1. a bridge longitudinal seam hermetic water-proof structure, it is characterized in that, described bridge longitudinal seam hermetic water-proof structure includes the fixing sealing member (2) being filled in described longitudinal seam (1) and covers the railway ballast cover plate (3) on described longitudinal seam (1) top, and described sealing member is elastomeric material or is anti-water-swelling material.
2. bridge longitudinal seam hermetic water-proof structure according to claim 1, it is characterised in that described anti-water-swelling material is the oakum soaking polyurathamc.
3. bridge longitudinal seam hermetic water-proof structure according to claim 2, it is characterised in that described oakum is without oakum.
4. bridge longitudinal seam hermetic water-proof structure according to claim 1, it is characterized in that, liner plate (4) it is fixed with in described longitudinal seam (1), described liner plate (4) closes described longitudinal seam (1) to form the filling space of open topped in described longitudinal seam (1), and described sealing member is filled in described filling space.
5. bridge longitudinal seam hermetic water-proof structure according to claim 4, it is characterised in that the degree of depth in described filling space is 5-7 centimetre.
6. bridge longitudinal seam hermetic water-proof structure according to claim 1, it is characterised in that described elastomeric material is polyurethane elastomer.
7. bridge longitudinal seam hermetic water-proof structure according to claim 1, it is characterised in that described railway ballast cover plate (3) is steel plate or concrete slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101180.9U CN205295927U (en) | 2015-12-25 | 2015-12-25 | Bridge longitudinal seam waterproof seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101180.9U CN205295927U (en) | 2015-12-25 | 2015-12-25 | Bridge longitudinal seam waterproof seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205295927U true CN205295927U (en) | 2016-06-08 |
Family
ID=56472888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101180.9U Active CN205295927U (en) | 2015-12-25 | 2015-12-25 | Bridge longitudinal seam waterproof seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205295927U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442439A (en) * | 2015-12-25 | 2016-03-30 | 中国神华能源股份有限公司 | Sealed waterproof method and sealed waterproof structure of bridge-beam longitudinal joint |
| CN108533847A (en) * | 2018-04-18 | 2018-09-14 | 新兴铸管股份有限公司 | It is a kind of to be used for the compound sealing structure and its construction method that single port is suppressed |
| CN108562405A (en) * | 2018-04-18 | 2018-09-21 | 新兴铸管股份有限公司 | A kind of sealing structure and its construction method suppressed for single port |
-
2015
- 2015-12-25 CN CN201521101180.9U patent/CN205295927U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442439A (en) * | 2015-12-25 | 2016-03-30 | 中国神华能源股份有限公司 | Sealed waterproof method and sealed waterproof structure of bridge-beam longitudinal joint |
| CN108533847A (en) * | 2018-04-18 | 2018-09-14 | 新兴铸管股份有限公司 | It is a kind of to be used for the compound sealing structure and its construction method that single port is suppressed |
| CN108562405A (en) * | 2018-04-18 | 2018-09-21 | 新兴铸管股份有限公司 | A kind of sealing structure and its construction method suppressed for single port |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |