CN105780647A - Assembled-type steel bridge deck with prefabricated light-thin wear-proof anti-skid layer - Google Patents
Assembled-type steel bridge deck with prefabricated light-thin wear-proof anti-skid layer Download PDFInfo
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- CN105780647A CN105780647A CN201410772010.7A CN201410772010A CN105780647A CN 105780647 A CN105780647 A CN 105780647A CN 201410772010 A CN201410772010 A CN 201410772010A CN 105780647 A CN105780647 A CN 105780647A
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Abstract
The invention discloses a steel bridge deck with a prefabricated light-thin wear-proof anti-skid layer, wherein the steel bridge deck with the light-thin wear-proof anti-skid layer is prefabricated in a factory and only requires combination and assembly on site. The steel bridge deck comprises an orthotropic steel bridge deck and the light-thin wear-proof anti-skid layer disposed on the steel bridge deck, wherein the light-thin wear-proof anti-skid layer is composed of an reactive polymer adhesive and single-grading wear-proof aggregates; the steel bridge deck is coated by the reactive polymer adhesive to form a waterproof adhesion layer; and the single-grading aggregates are uniformly spread on the adhesion layer to form a course wear-proof layer. The total thickness of the wear-proof anti-skid layer is 6-10 mm; a dynamic friction value exceeds 70; the weight is light, so the bridge weight is only increased slightly; resistance to water and corrosion is excellent; and resistance to wear and skidding is outstanding. The steel bridge deck disclosed by the invention has the advantages that advantages of high polymer material technologies and factory pre-pavement technologies are applied; defects of weak resistance of the steel bridge deck to wear, skidding and corrosion are solved; and safety and comfort are improved in travelling.
Description
Technical field
The present invention relates to a kind of assembled steel floorings, be specifically related to the steel bridge deck of a kind of prefabricated light thin type wear-resistant anti-skid layer.
Background technology
At present, domestic assembly type steel bridge on highway panel is generally adopted checkered steel plate or the anti-slide performance of tread plate raising bridge floor, but steel are perishable, wearability is poor.Along with the passage of active time, vehicle pass-through number of times increase, checkered steel plate and the floorings surface protecting layer (dip galvanized or anticorrosive paint coating) with tread plate can be worn gradually, steel bridge deck is exposed in atmospheric environment corrosion-vulnerable, and checkered steel plate lines can be gradually worn down the anti-slide performance of bridge floor and reduce and affect travel safety.Additionally the steel bridge deck with tread plate has severe turbulence sense and noise when driving, and road-ability is not good enough.
Therefore, the present invention is directed to checkered steel plate and the defect with tread plate steel bridge deck, set high polymer material technology and the pre-pavement technique of factory, arrange light and thin type wear-resistant anti-skid layer on steel bridge deck and improve the durability of bridge floor, wear-resisting antiskid, road-ability and safety.
Summary of the invention
In order to solve the weak point in above-mentioned background technology, the assembled steel floorings of a kind of prefabrication light and thin type wear-resistant anti-skid layer are provided, there is good endurance, the feature such as wear-resisting antiskid effect is notable, bridge deadweight increases less, basal plane protective is excellent, easy construction.
For achieving the above object, technical scheme provided by the invention: the steel bridge deck of a kind of prefabricated light thin type wear-resistant anti-skid layer, be a kind of mat formation in advance in factory, the steel bridge deck of the on-the-spot light and thin type wear-resistant anti-skid layer only needing composite assembly, these floorings are assembled by polylith unit bridges panel combination, and unit bridges panel includes Orthotropic Steel Bridge Deck and the light and thin type wear-resistant anti-skid layer being arranged on steel bridge deck.
Described Orthotropic Steel Bridge Deck is formed by the Member Welding such as gusset or steel pipe having sheet metal, longitudinally disposed drum rib or U-shaped rib, lateral arrangement, and two ends are provided with mounting bolt hole.
Described light and thin type wear-resistant anti-skid layer is joined wearable aggregate by reactive polymer adhesive and single-stage and is formed, and reactive polymer adhesive presses 0.8 ~ 1m2/ L consumption coats formation waterproofing tack coat on Steel Bridge Deck, by 5 ~ 8kg/m2Consumption uniformly dispenses to gather materials and forms the first aggregate lift to water-proof tack coat；To be solidified completely rear by 0.4 ~ 0.6m2/ L consumption coating reactive polymer adhesive forms second layer adhesive linkage, by 5 ~ 8kg/m2Consumption uniformly dispenses the formation wear-resistant anti-skid layer that gathers materials.
Described reactive polymer adhesive can be epoxy adhesive or unsaturated polyester (UP) adhesive or methyl methacrylate adhesive or polyurethane modified epoxy adhesive.
Described single-stage joins wearable aggregate, can select basalt or granite or bauxite according to color difference, and wherein the aggregate size of the first aggregate lift is 3 ~ 5mm；The aggregate size of wear-resistant anti-skid layer is 2 ~ 4mm..
Described steel bridge deck is of a size of: long 100mm ~ 100000mm, wide 100mm ~ 50000mm, thick 6mm ~ 10000mm.
The invention has the beneficial effects as follows, the steel bridge deck set of the prefabricated light thin type wear-resistant anti-skid layer the provided advantage of the pre-pavement technique of high polymer material technology and factory, it is achieved that the protection of Steel Bridge Deck, wear-resisting antiskid, pave-load layer lightening and industrialization Prefabrication.
Accompanying drawing explanation
The structural representation of the assembled steel floorings of Fig. 1 prefabricated light thin type wear-resistant anti-skid layer of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
The present invention relates to the steel bridge deck of a kind of prefabricated light thin type wear-resistant anti-skid layer, be a kind of mat formation in advance in factory, the steel bridge deck of the prefabricated light thin type wear-resistant anti-skid layer of on-site consolidation.These floorings are assembled by polylith unit bridges panel combination, and unit bridges panel includes Orthotropic Steel Bridge Deck 5 and the light and thin type wear-resistant anti-skid layer being arranged on steel bridge deck.Orthotropic Steel Bridge Deck 5 is formed by the Member Welding such as gusset or steel pipe of steel plate, longitudinally disposed drum rib or U-shaped rib, lateral arrangement, and two ends are provided with mounting bolt hole.The light and thin type wear-resistant anti-skid layer being arranged above with of steel bridge deck, thickness 6 ~ 10mm, dynamic friction numerical value is more than 70.
Described light and thin type wear-resistant anti-skid layer is joined wearable aggregate by reactive polymer adhesive and single-stage and is formed, and reactive polymer adhesive presses 0.8 ~ 1m2/ L consumption coats formation waterproofing tack coat 4 on Steel Bridge Deck, by 5 ~ 8kg/m2Consumption uniformly dispenses particle diameter 3 ~ 5mm single-stage and joins to gather materials and form the first aggregate lift 3 to waterproofing tack coat；To be solidified completely rear by 0.4 ~ 0.6m2/ L consumption coating reactive polymer adhesive forms the second adhesive linkage 2, by 5 ~ 8kg/m2Consumption uniformly dispenses particle diameter 2 ~ 4mm single-stage and joins wearable aggregate formation wear-resistant anti-skid layer 1, it is ensured that cover completely.
The preparation method of the steel bridge deck of prefabricated light thin type wear-resistant anti-skid layer is as follows:
(1) manufacture of steel bridge deck
Design according to corresponding steel bridge and corresponding national standard, by raw material (including steel plate, drum steel or U-shaped steel, steel pipe etc.) cutting, die mould, welding, make the Orthotropic Steel Bridge Deck meeting designing requirement.
(2) the mating formation of light and thin type wear-resistant anti-skid layer
1. sandblasting/impeller blasting
The thorough sandblasting of steel bridge deck or impeller blasting, surface is without impurity such as oils and fats, oxide skin, rusty stain and painting layers, in uniform metallic luster.Derusting grade requires to be up to state standards Sa2.5～Sa3 level of GB8923-88, roughness 50～100 μm.
2. adhesive and gathering materials
The reactive polymer binding agent used in present embodiment is epoxy-urethane adhesive, is a kind of 2K group adhesive, according to proportioning by component A and B component mix homogeneously, can use.It is of course also possible to select unsaturated polyester (UP) adhesive or methyl methacrylate adhesive or epoxy adhesive etc..
The wearable aggregate selected in present embodiment is basaltic broken stone: the particle diameter that the first aggregate lift is gathered materials is 3 ~ 5mm；The particle diameter that wear-resistant anti-skid layer gathers materials is 2 ~ 4mm.
3. the construction of layer coating is adopted
By reactive polymer adhesive by 0.8 ~ 1m2The consumption of/L is coated on the upper levelling of steel bridge deck (6 ~ 10mm Orthotropic Steel Bridge Deck) and forms water-proof tack coat；Single-stage joins the gathering materials by 5 ~ 8kg/m of particle diameter 3 ~ 5mm2Consumption be spread in uniform on water-proof tack coat and form the first aggregate lift, after it is fully cured remove loose the gathering materials in surface；Again by 0.4 ~ 0.6m in the first aggregate lift2/ L consumption coating reactive polymer adhesive forms the second tack coat；By 5 ~ 8kg/m on the second tack coat2Consumption uniformly dispenses the wearable aggregate formation wear-resistant anti-skid layer that single-stage joins particle diameter 2 ~ 4mm；Remove discrete aggregate after the curing be complete, obtain the wear-resistant anti-skid layer that gross thickness is 6 ~ 8mm.
Claims (4)
1. the assembled steel floorings of a prefabricated light thin type wear-resistant anti-skid layer, it is characterized in that it be a kind of be prefabricated in the factory, the steel bridge deck of the on-the-spot light and thin type wear-resistant anti-skid layer only needing composite assembly, these floorings are assembled by polylith unit bridges panel combination, and unit bridges panel includes Orthotropic Steel Bridge Deck (5) and the light and thin type wear-resistant anti-skid layer being arranged on steel bridge deck；
Described Orthotropic Steel Bridge Deck (5) is formed by the Member Welding such as gusset or steel pipe of sheet metal, longitudinally disposed drum rib or U-shaped rib, lateral arrangement, and two ends are provided with the bolt hole being connected with crossbeam；
Described light and thin type wear-resistant anti-skid layer is joined wearable aggregate by reactive polymer adhesive and single-stage and is formed, and reactive polymer adhesive presses 0.8 ~ 1m2/ L consumption is coated and is formed waterproofing tack coat (4) on Steel Bridge Deck, and single-stage is joined particle diameter and gathered materials by 5 ~ 8kg/m2Consumption is uniformly dispensed onto on water-proof tack coat and forms the first aggregate lift (3)；To be solidified completely rear by 0.4 ~ 0.6m2/ L consumption coating reactive polymer adhesive forms second layer adhesive linkage (2), by 5 ~ 8kg/m2Consumption uniformly dispense particle diameter gather materials formation wear-resistant anti-skid layer (1).
2. light and thin type wear-resistant anti-skid layer according to claim 1, is characterised by: described single-stage is joined and gathered materials can be basalt or granite or bauxite rubble.
3. light and thin type wear-resistant anti-skid layer according to claim 1, is characterised by: described single-stage is joined to gather materials and included gathering materials of two kinds of particle diameters, and the particle diameter that the first aggregate lift is gathered materials is 3 ~ 5mm, and it is 2 ~ 4mm that the second single-stage joins the particle diameter that aggregate lift gathers materials.
4. light and thin type wear-resistant anti-skid layer according to claim 1, is characterised by: described reactive polymer adhesive can be the one in epoxy adhesive or unsaturated polyester (UP) adhesive or methyl methacrylate adhesive or polyurethane modified epoxy adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410772010.7A CN105780647A (en) | 2014-12-16 | 2014-12-16 | Assembled-type steel bridge deck with prefabricated light-thin wear-proof anti-skid layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410772010.7A CN105780647A (en) | 2014-12-16 | 2014-12-16 | Assembled-type steel bridge deck with prefabricated light-thin wear-proof anti-skid layer |
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| CN105780647A true CN105780647A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410772010.7A Pending CN105780647A (en) | 2014-12-16 | 2014-12-16 | Assembled-type steel bridge deck with prefabricated light-thin wear-proof anti-skid layer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6170105B1 (en) * | 1999-04-29 | 2001-01-09 | Composite Deck Solutions, Llc | Composite deck system and method of construction |
| JP2010106606A (en) * | 2008-10-31 | 2010-05-13 | Taiheiyo Cement Corp | Steel floor slab structure and steel floor slab reinforcing method |
| CN203049452U (en) * | 2012-12-27 | 2013-07-10 | 南京工业大学 | Factory prefabricated orthotropic steel plate-composite material combined bridge floor structure |
| CN203782564U (en) * | 2014-01-20 | 2014-08-20 | 安徽省交通规划设计研究院有限公司 | Thin-layer modified polyurethane steel bridge deck pavement structure |
| CN203782563U (en) * | 2014-01-20 | 2014-08-20 | 安徽省交通规划设计研究院有限公司 | Assembling type modified PU (Polyurethane) bridge deck pavement structure |
| CN203923902U (en) * | 2014-04-29 | 2014-11-05 | 西安公路研究院 | The double-deck SMA deck installation structure of a kind of flip-over type |
| CN203947414U (en) * | 2014-04-11 | 2014-11-19 | 中铁工程设计咨询集团有限公司 | A kind of steel bridge deck deck installation structure |
-
2014
- 2014-12-16 CN CN201410772010.7A patent/CN105780647A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6170105B1 (en) * | 1999-04-29 | 2001-01-09 | Composite Deck Solutions, Llc | Composite deck system and method of construction |
| JP2010106606A (en) * | 2008-10-31 | 2010-05-13 | Taiheiyo Cement Corp | Steel floor slab structure and steel floor slab reinforcing method |
| CN203049452U (en) * | 2012-12-27 | 2013-07-10 | 南京工业大学 | Factory prefabricated orthotropic steel plate-composite material combined bridge floor structure |
| CN203782564U (en) * | 2014-01-20 | 2014-08-20 | 安徽省交通规划设计研究院有限公司 | Thin-layer modified polyurethane steel bridge deck pavement structure |
| CN203782563U (en) * | 2014-01-20 | 2014-08-20 | 安徽省交通规划设计研究院有限公司 | Assembling type modified PU (Polyurethane) bridge deck pavement structure |
| CN203947414U (en) * | 2014-04-11 | 2014-11-19 | 中铁工程设计咨询集团有限公司 | A kind of steel bridge deck deck installation structure |
| CN203923902U (en) * | 2014-04-29 | 2014-11-05 | 西安公路研究院 | The double-deck SMA deck installation structure of a kind of flip-over type |
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Application publication date: 20160720 |
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