CN204753379U - Double -deck epoxy asphalt concrete bridge deck pavement structure - Google Patents
Double -deck epoxy asphalt concrete bridge deck pavement structure Download PDFInfo
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- CN204753379U CN204753379U CN201520138431.4U CN201520138431U CN204753379U CN 204753379 U CN204753379 U CN 204753379U CN 201520138431 U CN201520138431 U CN 201520138431U CN 204753379 U CN204753379 U CN 204753379U
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- deck
- asphalt concrete
- bridge deck
- epoxy
- epoxy asphalt
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Abstract
The utility model belongs to bridge floor construction field specifically discloses a double -deck epoxy asphalt concrete bridge deck pavement structure, and mainly used strides greatly in the steel case roof beam bridge deck pavement engineering of footpath. This bridge deck pavement structure includes decking (1), on decking (1) from bottom to top in proper order the making have waterproof bonding layer (2), down surface course (3), adhesion coating (4) and last surface course (5). This structure guarantees that the bridge deck pavement layer has good shear behavior, impervious performance, low temperature cracking nature and high temperature stability.
Description
Technical field
The utility model belongs to bridge floor construction field, specifically discloses a kind of double-deck epoxy asphalt concrete deck installation structure, is mainly used in large-span steel box girder bridge floor paving engineering.
Background technology
The particularity of environment residing for Steel Bridge Deck Pavement, steel deck paving is contained in build and often occurs high temperature rut, longitudinal cracking in the near future, the diseases such as interlayer delamination.Large-span steel box girder bridge is due to its special structure and material, the distortion of bridge deck is stressed comparatively complicated, the distortion of itself, displacement and vibration etc. all can have a direct impact pave-load layer, in addition the coefficient of thermal conductivity of steel is high, steel box-girder is airtight, the bituminous mixture of making on bridge floor is even more serious, more complicated by the impact of high temperature, low temperature and traffic loading, and especially under the effect of horizontal shearing stress, pave-load layer easily produces various deformation failure.Therefore, Steel Bridge Deck Pavement, under the prerequisite of basic demand meeting general flexible pavement, also should have enough intensity, suitable rigidity, good high-temperature stability, enough shear resistances, good cracking resistance, bond firm and good water resistance with steel plate.The research of current China to Steel Bridge Pavement is also in the starting stage, also do not form a set of design and construction method being applicable to large-span steel box girder bridge floor paving, therefore how Rational choice large-span steel box girder bridge floor paving structure to ensure that the durability of pave-load layer is an engineering challenge urgently to be resolved hurrily.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide a kind of double-deck epoxy asphalt concrete deck installation structure, ensures that bridge deck pavement has good shear behavior, anti-permeability performance, low-temperature cracking-resistance and high-temperature stability.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of double-deck epoxy asphalt concrete deck installation structure, it is characterized in that, described deck installation structure comprises bridge deck, and on bridge deck, making has water-proof tack coat, cutting optimal, adhesion coating and upper layer successively from bottom to top.
Wherein, described water-proof tack coat is bituminous epoxy water-proof tack coat; The epoxy asphalt concrete layer of described cutting optimal to be thickness be 4cm; Described adhesion coating is bituminous epoxy adhesion coating; The epoxy asphalt concrete layer of described upper layer to be thickness be 3cm.
Feature of the present utility model is:
Described cutting optimal and upper layer adopt same grading limit.
The coarse aggregate content more than the coarse aggregate content of cutting optimal 5% ~ 10% of described upper layer.
Compared with prior art, the utility model has the following advantages and beneficial effect:
(1) epoxy asphalt concrete intensity is high, pliability good, temperature stability and anti-fatigue performance good; there is superior mechanics and functional performance; epoxy asphalt concrete surface layer of mating formation can overcome the common earlier period damage of steel box girder bridge floor paving layer; extend the application life of bridge deck pavement; strengthen the protection to steel box girder bridge structure; reduce maintenance costs, there is huge economic benefit and social benefit.
(2) upper layer epoxy asphalt concrete design grating is comparatively thick, ensure that the construction depth on pave-load layer surface, improves pavement skid resistance condition and traffic safety.Cutting optimal epoxy asphalt concrete design grating is comparatively thin, improves the bond effect between pave-load layer and bridge deck, is conducive to ensureing continuous slab-deck simultaneously.
(3) upper layer and cutting optimal mix type are epoxy asphalt mixture, reduce construction machinery adjustment, constructability quality control.
(4) bituminous epoxy is a kind of composite material with high strength, high adhesion stress and high-flexibility, compared with other water-proof bond materials, bituminous epoxy water-proof tack coat waterproof impervious characteristic is good, large with the adhesion strength of steel plate, and there is good compatibility of deformation, pave-load layer can be formed with steel plate and firmly bond, not because of variations in temperature and traffic loading effect and throw off, greatly reduce and prevent the generation of slippage between pave-load layer and steel bridge deck and delamination disease, ensure pavement usage quality.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of double-deck epoxy asphalt concrete deck installation structure.
In figure: 1, bridge deck; 2, water-proof tack coat; 3, cutting optimal; 4, adhesion coating; 5, upper layer.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further details, but the utility model is not limited to these embodiments.
Embodiment 1
This double-deck epoxy asphalt concrete deck installation structure comprises bridge deck, and on bridge deck 1, making has the upper layer 5 that water-proof tack coat 2, thickness are the cutting optimal 3 of 4cm, adhesion coating 4, thickness are 3cm successively from bottom to top.Concrete structure is with reference to Fig. 1.
Wherein, water-proof tack coat 2 is bituminous epoxy water-proof tack coat, and bituminous epoxy consumption is 0.7L/m
2.
Cutting optimal 3 is epoxy asphalt concrete layer, is made up of bituminous epoxy, coarse aggregate, fine aggregate and breeze.Bituminous epoxy is made up of matrix pitch, host (epoxy resin) and curing compound, and host and curing compound form mixture according to after 55:45 mixing, then are mixed to form bituminous epoxy with pitch according to 50:50; Breeze consumption is 10% of mineral aggregate quality; Coarse aggregate grain size is 4.75cm-9.5cm, and fine aggregate particle diameter is 0-4.75cm, and coarse aggregate and the total consumption of fine aggregate are 90% of mineral aggregate quality, and the ratio of coarse aggregate and fine aggregate is 60:40.
Adhesion coating 4 is bituminous epoxy adhesion coating, and bituminous epoxy amount is 0.4L/m
2.
Upper layer 5 is epoxy asphalt concrete layer, is made up of bituminous epoxy, coarse aggregate, fine aggregate and breeze.Bituminous epoxy is made up of matrix pitch, host (epoxy resin) and curing compound, and host and curing compound form mixture according to after 55:45 mixing, then are mixed to form bituminous epoxy with pitch according to 50:50; Breeze consumption is 10% of mineral aggregate quality; Coarse aggregate grain size is 4.75cm ~ 9.5cm, and fine aggregate particle diameter is 0 ~ 4.75cm, and coarse aggregate and the total consumption of fine aggregate are 90% of mineral aggregate quality, and the ratio of coarse aggregate and fine aggregate is 65:35.
The grading limit of the epoxy asphalt mixture of upper layer 5 and cutting optimal 3 is in table 1.
The grading limit of table 1 epoxy asphalt mixture
Embodiment 2
This double-deck epoxy asphalt concrete deck installation structure comprises bridge deck, and on bridge deck 1, making has the upper layer 5 that water-proof tack coat 2, thickness are the cutting optimal 3 of 4cm, adhesion coating 4, thickness are 3cm successively from bottom to top.Concrete structure is with reference to Fig. 1.
Wherein, water-proof tack coat 2 is bituminous epoxy water-proof tack coat, and bituminous epoxy consumption is 0.7L/m
2.
Cutting optimal 3 is epoxy asphalt concrete layer, is made up of bituminous epoxy, coarse aggregate, fine aggregate and breeze.Bituminous epoxy is made up of matrix pitch, host (epoxy resin) and curing compound, and host and curing compound form mixture according to after 55:45 mixing, then are mixed to form bituminous epoxy with pitch according to 50:50; Breeze consumption is 10% of mineral aggregate quality; Coarse aggregate grain size is 4.75cm-9.5cm, and fine aggregate particle diameter is 0-4.75cm, and coarse aggregate and the total consumption of fine aggregate are 90% of mineral aggregate quality, and the ratio of coarse aggregate and fine aggregate is 50:50.
Adhesion coating 4 is bituminous epoxy adhesion coating, and bituminous epoxy amount is 0.4L/m
2.
Upper layer 5 is epoxy asphalt concrete layer, is made up of bituminous epoxy, coarse aggregate, fine aggregate and breeze.Bituminous epoxy is made up of matrix pitch, host (epoxy resin) and curing compound, and host and curing compound form mixture according to after 55:45 mixing, then are mixed to form bituminous epoxy with pitch according to 50:50; Breeze consumption is 10% of mineral aggregate quality; Coarse aggregate grain size is 4.75cm ~ 9.5cm, and fine aggregate particle diameter is 0 ~ 4.75cm, and coarse aggregate and the total consumption of fine aggregate are 90% of mineral aggregate quality, and the ratio of coarse aggregate and fine aggregate is 53:47.
The grading limit of the epoxy asphalt mixture of upper layer 5 and cutting optimal 3 is in table 2.
The grading limit of table 2 epoxy asphalt mixture
The structure of embodiment 1 and embodiment 2 has broken bituminous texture layer that current specifications requires should the stone size size regulation of successively decreasing from below to up, but upper layer 5 and cutting optimal 3 all adopt same grading limit, but the grating of the level proportioning cutting optimal 3 of upper layer 5 is partially thick, upper layer 5 is made to have good anti-wear performance, increase surface roughness, improve travel safety; And make that cutting optimal 3 is closely knit has good water resistance, increase the cementitiousness of pave-load layer and bridge deck, raising water-proof binding ability simultaneously; Again, upper layer 5 adopts similar type with the bituminous mixture of cutting optimal 3, can reduce difficulty of construction, is conducive to construction.Employing such a construction ensures bridge deck pavement and has good shear behavior, anti-permeability performance, low-temperature cracking-resistance and high-temperature stability.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, increase and decrease thickness or change grading limit done above embodiment according to the technical solution of the utility model, all belongs to the protection domain of the technical scheme of the application.
Claims (1)
1. a double-deck epoxy asphalt concrete deck installation structure, for in steel box girder bridge floor paving engineering, it is characterized in that, described deck installation structure comprises bridge deck (1), and on bridge deck (1), making has water-proof tack coat (2), cutting optimal (3), adhesion coating (4) and upper layer (5) successively from bottom to top;
Described water-proof tack coat (2) is bituminous epoxy water-proof tack coat;
Described cutting optimal (3) for thickness be the epoxy asphalt concrete layer of 4cm;
Described adhesion coating (4) is bituminous epoxy adhesion coating;
Described upper layer (5) for thickness be the epoxy asphalt concrete layer of 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138431.4U CN204753379U (en) | 2015-03-11 | 2015-03-11 | Double -deck epoxy asphalt concrete bridge deck pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138431.4U CN204753379U (en) | 2015-03-11 | 2015-03-11 | Double -deck epoxy asphalt concrete bridge deck pavement structure |
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| Publication Number | Publication Date |
|---|---|
| CN204753379U true CN204753379U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520138431.4U Expired - Fee Related CN204753379U (en) | 2015-03-11 | 2015-03-11 | Double -deck epoxy asphalt concrete bridge deck pavement structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938465A (en) * | 2017-11-14 | 2018-04-20 | 广东交通实业投资有限公司 | A kind of ultra-thin close water antiskid layer use of bituminous paving epoxy is gathered materials and the construction method of close water antiskid layer |
| CN110172909A (en) * | 2019-06-25 | 2019-08-27 | 山东省路桥集团有限公司 | Cement concrete bridge deck bilayer AC Asphalt mixture pavement structure and method for paving |
-
2015
- 2015-03-11 CN CN201520138431.4U patent/CN204753379U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938465A (en) * | 2017-11-14 | 2018-04-20 | 广东交通实业投资有限公司 | A kind of ultra-thin close water antiskid layer use of bituminous paving epoxy is gathered materials and the construction method of close water antiskid layer |
| CN107938465B (en) * | 2017-11-14 | 2020-03-10 | 广东交通实业投资有限公司 | Aggregate for epoxy ultrathin water-tight anti-skid layer of asphalt pavement and construction method of water-tight anti-skid layer |
| CN110172909A (en) * | 2019-06-25 | 2019-08-27 | 山东省路桥集团有限公司 | Cement concrete bridge deck bilayer AC Asphalt mixture pavement structure and method for paving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |