CN207878272U - Drainage asphalt pavement structure suitable for paving steel bridge deck - Google Patents
Drainage asphalt pavement structure suitable for paving steel bridge deck Download PDFInfo
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- CN207878272U CN207878272U CN201721769300.1U CN201721769300U CN207878272U CN 207878272 U CN207878272 U CN 207878272U CN 201721769300 U CN201721769300 U CN 201721769300U CN 207878272 U CN207878272 U CN 207878272U
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Abstract
The utility model discloses a kind of drainage asphalt pavement structure suitable for paving steel bridge deck, structure includes being made of successively upper layer, sealing, middle face layer, adhesion coating, cutting optimal, water-proof tack coat, erosion resistant coating and Steel Bridge Deck through derusting by sandblasting from top to bottom.Preparation method include upper layer by gathering materials, filler, high-viscosity modified asphalt form；The middle face layer and cutting optimal high viscosity are by gathering materials, filler, polymer fiber, high-viscosity modified asphalt form.The utility model uses pave-load layer below in the conduct of high viscosity SMA stone mastic asphalts, make mixture that there is good inter-layer bonding force and deformation compliance, inhibit the generation in crack, enable entire bridge deck pavement structure that there is good anti-rut, water permeability resistance, using 13 type open gradation asphalt layers of OGFC as upper layer, the safety and comfort performance that drainage asphalt pavement has is given full play to, to solve the problems, such as large scale application of the drainage asphalt pavement in overhead deck paving.
Description
Technical field
The utility model is related to be a kind of road and bridge engineering field, and in particular to a kind of row suitable for paving steel bridge deck
Soluble asphalt pavement structure.
Background technology
As " sponge city " theory is in national rapid popularization, various regions are gradually using drainage asphalt pavement as overhead pitch
Top course is designed use.Steel Bridge Deck has many advantages, such as beautiful, strong from heavy and light, the lateral wind resistance energy ability of box beam.In the modern times
Bridge is especially widely adopted in the construction of Large Span Bridges, and cement concrete bridge is because of its economy, and easy construction etc. is excellent
Point is still the dominant form of current Bridge Design, therefore, this be just bound to cause Viaduct Structure there are cement concrete bridge section and
The phenomenon that diversified forms such as steel box-girder bridge section coexist, and be to make every effort to unified, designing unit is special often by bituminous pavement top
It is not the structure that bituminous paving upper layer is designed to same form.
However, since steel box girder bridge panel is weldingly fixed in orthotropic structural beams and longitudinal rib, and Steel Bridge Deck body
System is flexible big, pliable, the deformation and loading characteristic under vehicular load, temperature load effect and portland cement concrete bridge
With obviously distinguishing, in the different parts of same bridge, deformation and the stress also difference with highly significant, thus want
Ask pave-load layer that should have good pavement performance, high and low temperature stability and water stability etc.；In addition, due to steel plate conductivity of heat compared with
It is good, it is easily deformed when constructing under high temperature, generates shearing force, this requires pave-load layers, and there is good flexible and deformation to chase after from energy
Power；Simultaneously because the repeated deformation of steel plate, also higher is required to the cohesive force of pave-load layer and steel plate.
Therefore, how drainage asphalt pavement is successfully applied to steel box girder bridge floor paving as there is an urgent need to solve in industry
Problem certainly.
Invention content
The utility model will solve existing technical problem, provide a kind of drainage asphalt road suitable for paving steel bridge deck
Face structure and preparation method thereof.By in setting, following pave-load layer, make mixture have good inter-layer bonding force and deformation
Following, it is suppressed that the generation in crack so that entire bridge deck pavement structure has good anti-rut, water permeability resistance energy；Pass through
The upper surface of setting layer, gives full play to the safety and comfort performance that drainage asphalt pavement has, to solve drainage asphalt pavement
Large scale application problem in overhead deck paving.
The technical scheme that the utility model is provided is as follows：
A kind of drainage asphalt pavement structure suitable for paving steel bridge deck, including：
From top to bottom successively by upper layer, sealing, middle face layer, adhesion coating, cutting optimal, water-proof tack coat, erosion resistant coating and through spray
The Steel Bridge Deck of sand derusting is constituted.
Preferably, the upper layer is OGFC-13 type open gradation asphalt layers, and thickness is 40mm~50mm.
In the technical program, using OGFC-13 type open gradation asphalt layers as upper layer, drainage is given full play to
The safety and comfort performance that bituminous paving has, to solve drainage asphalt pavement being widely applied in overhead deck paving
Application problem.
Preferably, the sealing is one kind in modified emulsifying asphalt layer, heated bitumen layer or slurry seal.
Preferably, the middle face layer and the cutting optimal are the high viscosity that nominal maximum particle diameter is 13.2mm or 9.5mm
SM stone mastic asphalt layers, and thickness is 30mm~50mm.
In the technical program, using high viscosity SMA stone mastic asphalts be used as in, following pave-load layer, make to mix
Closing material has good inter-layer bonding force and deformation compliance, it is suppressed that the generation in crack so that entire bridge deck pavement structure
With good anti-rut, water permeability resistance energy.
Preferably, the adhesion coating is modified emulsifying asphalt layer；
The water-proof tack coat is bituminous epoxy water-proof tack coat, and dispenses 3mm~5mm aggregate chips；
The erosion resistant coating is epoxy zinc-rich paint erosion resistant coating.
The utility model additionally provides a kind of according to the above-mentioned drainage asphalt pavement structure suitable for paving steel bridge deck
Preparation method, the upper layer is by gathering materials, filler, high-viscosity modified asphalt form, voidage be 18%~22%；
The middle face layer and cutting optimal high viscosity are by gathering materials, filler, polymer fiber, high-viscosity modified asphalt form, empty
Gap rate is 2%~4%.
Preferably, it is described gather materials be made of coarse aggregate and fine aggregate, the coarse aggregate be diabase, basalt or lime
Rock, the fine aggregate are limestone；
The filler is limestone mineral powder.
Preferably, the polymer fiber is that polyester fiber, polyacrylonitrile fibre or polyester fiber and polyacrylonitrile are fine
One kind in composite fibre；
It is further preferred that the usage amount of the high-viscosity modified asphalt be the upper layer quality 4.6%~
5.2%；
The high-viscosity modified asphalt is made of No. 70 pitches and modifying agent, and the modifying agent accounts for the high viscosity and is modified drip
The 10%~14% of green overall quality；
It is further preferred that the usage amount of the high-viscosity modified asphalt is respectively the middle face layer and the cutting optimal
The 5.4%~6.5% of quality；
The high-viscosity modified asphalt is made of No. 70 pitches and modifying agent, and the modifying agent accounts for the high viscosity and is modified drip
The 6%~11% of green overall quality.
A kind of drainage asphalt pavement structure and preparation method thereof suitable for paving steel bridge deck provided by the utility model,
Following at least one advantageous effect can be brought：
1, in the utility model, using OGFC-13 type open gradation asphalt layers as upper layer, road is effectively increased
The antiskid performance in face, the travel safety for greatly improving the rainy day, meanwhile, 18%~22% voidage can significantly reduce row
Noise pollution during vehicle.
2, in the utility model, solution modified asphalt viscosity is relatively low, causes asphalt shear resistance insufficient, holds
Phenomena such as easily elapsing.Solving common modifications SMA stone mastic asphalts needs vibroroller cmpacting simultaneously, total in bridge floor
The phenomenon that compactness deficiency is easily caused in the case of shaking, so as to cause the generation of early disease.The utility model creativeness
Pave-load layer, asphalt Mineral Material gradation composition are below in being used as using high viscosity SMA stone mastic asphalts
Close-graded effectively reduces the voidage (being only 2%~4%) of asphalt, enhances the durability of asphalt, resists
Aging and water resistant do harm to ability.In addition, replacing modified asphalt using high-viscosity modified asphalt, high-viscosity modified asphalt is 60
Under DEG C temperature condition, dynamic viscosity is more than 20000Pas, and 135 DEG C of dynamic viscosities are less than 2Pas so that middle face layer and following
Floor height viscosity SMA stone mastic asphalts layer microstrain is more than 2500 μm, solves asphalt mixture surfacing and becomes in Steel Bridge Deck
Chasing after from capability problems under shape, pave-load layer follow steel bridge facial disfigurement without cracking, it is suppressed that the generation of the diseases such as crack, passage,
The service life for extending Steel Bridge Deck, can realize not vibrating compacting on Steel Bridge Deck, prevent from being compacted not caused by bridge floor resonates
Infiltration is caused to corrode bridge surface armor plate.Middle cutting optimal uses particulate formula (13.2mm, 9.5mm) asphalt, advantageously reduces
Voidage extends bridge floor service life.
3, the utility model may make between asphalt layer and have using modified emulsifying asphalt layer as sealing and adhesion coating
There are better caking property, resistance to deformation and anti-shear ability, pavement disease can be greatly reduced, improves the service life on road surface.
4, the utility model is used as adhesive layer, solution asphalt mixture surfacing and Steel Bridge Deck using bituminous epoxy water-proof tack coat
Interlaminar bonding problem, waterproof problem, it is ensured that pave-load layer is firmly combined with Steel Bridge Deck, does not generate sliding；Steel Bridge Deck is not by moisture corruption
Erosion.
5, the utility model is had using epoxy zinc-rich paint erosion resistant coating as erosion resistant coating：Strong adhesive force, impact resistance
It is good；Extensive oil resistivity and solvent resistance；Excellent salt fog resistance；The advantage that coating drying is rapid, paint film inter-layer bonding force is strong.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to suitable for paving steel bridge deck
Above-mentioned characteristic, technical characteristic, advantage and its realization method of drainage asphalt pavement structure are further described.
Fig. 1 is the drainage asphalt pavement structural schematic diagram that the utility model is used for paving steel bridge deck；
Drawing reference numeral explanation：
1, upper layer；2, sealing；3, middle face layer；4, adhesion coating；5, cutting optimal；6, water-proof tack coat；7, erosion resistant coating；8, through spray
The Steel Bridge Deck of sand derusting.
Specific implementation mode
In order to illustrate more clearly of the utility model embodiment or technical solution in the prior art；Attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.Apparently；The accompanying drawings in the following description is only the reality of the utility model
Apply example；For those of ordinary skill in the art；Without creative efforts；It can also be according to these attached drawings
Obtain other attached drawings；And obtain other embodiments.
To make simplified form；It is only schematically shown in each figure and the relevant part of the utility model；But not generation
Its practical structures as product of table.
The drainage asphalt pavement structure suitable for paving steel bridge deck of the utility model specifically includes shown in Fig. 1
From top to bottom successively by upper layer, sealing, middle face layer, adhesion coating, cutting optimal, water-proof tack coat, erosion resistant coating and through derusting by sandblasting
Steel Bridge Deck is constituted.Wherein, upper layer is OGFC-13 type open gradation asphalt layers, and thickness is 40mm~50mm；Sealing is
One kind in modified emulsifying asphalt layer, heated bitumen layer or slurry seal, in the present embodiment, preferred SBS modified emulsifying asphalts layer, and
Thickness is 0.5mm~1.2mm；Middle face layer and cutting optimal are the high viscosity SM drips that nominal maximum particle diameter is 13.2mm or 9.5mm
Green mastic-broken stone mixture layer, and thickness is 30mm~50mm.Same adhesion coating is modified emulsifying asphalt layer, the present embodiment
In, it is preferable that SBR modified emulsifying asphalt layers, and thickness is 0.5mm~1.2mm.Water-proof tack coat is bituminous epoxy water-proof binding
Layer, thickness is 0.8mm~2mm, and dispenses 3mm~5mm aggregate chips, and aggregate chips coverage rate is 50~60%.Erosion resistant coating is epoxy zinc-rich
Paint erosion resistant coating.
The utility model also provides a kind of preparation side of the above-mentioned drainage asphalt pavement structure suitable for paving steel bridge deck
In the embodiment of method.Wherein, upper layer uses OGFC-13 type open gradation asphalt layers, specifically by gathering materials, it is filler, high viscous
Modified pitch composition is spent, grading limit is shown in Table 1, and voidage is 18%~22%；Middle face layer and cutting optimal use nominal maximum grain
Diameter is the high viscosity SMA stone mastic asphalt layers of 13.2mm or 9.5mm, and thickness is 30mm~50mm, grading limit
It is shown in Table 1, voidage is 2%~4%, and by gathering materials, filler, polymer fiber, high-viscosity modified asphalt form.
1 each structure sheaf mixture gradation range of table
In the utility model suitable for the embodiment of the preparation method of the drainage asphalt pavement structure of paving steel bridge deck,
In the high viscosity SMA stone mastic asphalts that nominal maximum particle diameter is 13.2mm, gathers materials and see the table below with filler grading：
Gather materials and see the table below with filler grading：
In the high viscosity SMA stone mastic asphalts that nominal maximum particle diameter is 9.5mm, gather materials and filler grading
It see the table below：
In the embodiment of the preparation method of the drainage asphalt pavement structure suitable for paving steel bridge deck of the utility model
In, be made of coarse aggregate and fine aggregate it is further preferred that gathering materials, the coarse aggregate be diabase, basalt or limestone, carefully
Gather materials for limestone, filler is limestone mineral powder.
It is further preferred that polymer fiber is that polyester fiber, polyacrylonitrile fibre or polyester fiber and polyacrylonitrile are fine
Composite fibre in one kind.
In the embodiment of the preparation method of the utility model, wherein the usage amount of high-viscosity modified asphalt is on described
The 4.6%~5.2% of layer quality；OGFC-13 type open gradation asphalt floor medium-high viscosity modified pitch is by No. 70 pitches
It is formed with modifying agent, the modifying agent accounts for the 10%~14% of the high-viscosity modified asphalt overall quality.
In another embodiment of the preparation method of the utility model, the further preferably use of high-viscosity modified asphalt
Amount is respectively the 5.4%~6.5% of middle face layer and cutting optimal high viscosity SMA stone mastic asphalt quality, high viscosity
Modified pitch is made of No. 70 pitches and modifying agent, modifying agent account for high-viscosity modified asphalt binder overall quality 6%~
11%.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in embodiment is stated to modify or equivalent replacement of some of the technical features；And these are repaiied
Change or replaces, the spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution.
Claims (3)
1. a kind of drainage asphalt pavement structure suitable for paving steel bridge deck, which is characterized in that including：
It removes successively by upper layer, sealing, middle face layer, adhesion coating, cutting optimal, water-proof tack coat, erosion resistant coating and through sandblasting from top to bottom
The Steel Bridge Deck of rust is constituted；
The upper layer is OGFC-13 type open gradation asphalt layers, and thickness is 40mm~50mm；
The middle face layer and the cutting optimal are the high viscosity SM bitumastics that nominal maximum particle diameter is 13.2mm or 9.5mm
Macadam-aggregate mix layer, and thickness is 30mm~50mm.
2. the drainage asphalt pavement structure according to claim 1 suitable for paving steel bridge deck, it is characterised in that：
The sealing is one kind in modified emulsifying asphalt layer, heated bitumen layer or slurry seal.
3. the drainage asphalt pavement structure according to claim 1 suitable for paving steel bridge deck, it is characterised in that：
The adhesion coating is modified emulsifying asphalt layer；
The water-proof tack coat is bituminous epoxy water-proof tack coat, and dispenses 3mm~5mm aggregate chips；
The erosion resistant coating is epoxy zinc-rich paint erosion resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769300.1U CN207878272U (en) | 2017-12-18 | 2017-12-18 | Drainage asphalt pavement structure suitable for paving steel bridge deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769300.1U CN207878272U (en) | 2017-12-18 | 2017-12-18 | Drainage asphalt pavement structure suitable for paving steel bridge deck |
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| Publication Number | Publication Date |
|---|---|
| CN207878272U true CN207878272U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721769300.1U Active CN207878272U (en) | 2017-12-18 | 2017-12-18 | Drainage asphalt pavement structure suitable for paving steel bridge deck |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905099A (en) * | 2017-12-18 | 2018-04-13 | 上海浦兴路桥建设工程有限公司 | Drainage asphalt pavement structure suitable for paving steel bridge deck and preparation method thereof |
| WO2020258631A1 (en) * | 2019-06-25 | 2020-12-30 | 山东省路桥集团有限公司 | Cement concrete bridge deck double-layer ac asphalt mixture paving structure and paving method |
-
2017
- 2017-12-18 CN CN201721769300.1U patent/CN207878272U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905099A (en) * | 2017-12-18 | 2018-04-13 | 上海浦兴路桥建设工程有限公司 | Drainage asphalt pavement structure suitable for paving steel bridge deck and preparation method thereof |
| WO2020258631A1 (en) * | 2019-06-25 | 2020-12-30 | 山东省路桥集团有限公司 | Cement concrete bridge deck double-layer ac asphalt mixture paving structure and paving method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 1401, 8 Yincheng Middle Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Patentee after: Shanghai Pudong Road & Bridge (Group) Co.,Ltd. Address before: Room 1401, 8 Yincheng Middle Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Patentee before: SHANGHAI PUXING ROAD & BRIDGE CONSTRUCTION ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |