CN208379431U - A kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure - Google Patents
A kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure Download PDFInfo
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- CN208379431U CN208379431U CN201721433561.6U CN201721433561U CN208379431U CN 208379431 U CN208379431 U CN 208379431U CN 201721433561 U CN201721433561 U CN 201721433561U CN 208379431 U CN208379431 U CN 208379431U
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- asphalt concrete
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Abstract
The utility model relates to a kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structures.It is to set erosion resistant coating on steel bridge deck upper berth, it is water-proof tack coat on erosion resistant coating, high viscoelastic modified asphalt concrete layer is laid on water-proof tack coat, high viscoelastic modified asphalt concrete layer is divided into the high viscoelastic modified asphalt concrete layer of bottom and the high viscoelastic modified asphalt concrete layer of surface layer, and emulsified asphalt adhesive layer is arranged between the high viscoelastic modified asphalt concrete layer of bottom and the high viscoelastic modified asphalt concrete layer of surface layer.The utility model has the beneficial effect that the utility model is successively laid with the high viscoelastic modified asphalt concrete layer of erosion resistant coating, water-proof tack coat, bottom, emulsified asphalt adhesive layer and the high viscoelastic modified asphalt concrete layer of surface layer on steel bridge deck, solves problem of the existing technology, paving structure has good high-temperature stability, fatigue resistance, water stability, durability and low-temperature cracking-resistance, paving structure interlayer and good with steel bridge deck adhesive property, while the compatible deformation of Steel Bridge Deck entirety can be met.
Description
Technical field
The utility model relates to a kind of paving structure of Steel Bridge Deck, especially a kind of bridge structure using steel box-girder.
Background technique
With the fast development of Large Span Bridges and overhead road of city, steel box-girder is high-intensitive with it, from heavy and light, structural excellent
The advantages such as good, short construction period, cost be low, are widely used in bridge structure.But it is soft due to Orthotropic Steel Bridge Deck
Degree is big, and under Vehicle Load, local deformation is larger, and bridge deck pavement structure is directly exposed under external environment, is handed over
The influence of logical load, temperature load and wind load, and by Orthotropic Steel Bridge Deck self-deformation, displacement, the temperature difference be big, vibration
Big wait influences, simultaneously because the effect of ribbed stiffener, bridge deck pavement structure stress and deformation are more complicated, therefore to steel deck paving
Intensity, deformation stability, fatigue behaviour, water stability, durability, compatible deformation ability, the high-temperature stability, low temperature of assembling structure
Crack resistance and adhesive property require higher.
Currently used bridge deck pavement structure has bitumastic concrete (SMA), pouring asphalt concrete (GA)
With epoxy asphalt concrete (EAC).Easily there is high temperature track, sliding under hot conditions in bitumastic concrete long service
And the diseases such as fatigue cracking destruction；Pouring asphalt concrete (GA) high-temperature stability is poor；Epoxy asphalt concrete (EAC) is matched
Complex process processed, execution conditions are harsh, difficulty of construction is big, technical requirements are high, and engineering material is costly, while there is also low temperature properties
The unstable problem of energy.Therefore, it is necessary to a kind of Novel steel bridge deck pavement material and structures, meet the use of bridge deck pavement structure
Performance.
Summary of the invention
Problem to be solved in the utility model is against the above deficiency and providing one kind has good high temperature performance, resists tired
Labor is had excellent performance, and water resistant damage performance is strong, the new pavement structure of energy effective protection steel bridge deck.Its technical solution is as follows:
It is to set erosion resistant coating on steel bridge deck upper berth, is water-proof tack coat on erosion resistant coating, is laid on water-proof tack coat high viscous
Modified asphalt concrete layer is played, high viscoelastic modified asphalt concrete layer is divided into the high viscoelastic modified asphalt concrete layer of bottom and surface layer
High viscoelastic modified asphalt concrete layer, the high viscoelastic modified asphalt concrete layer of bottom and the high viscoelastic modified asphalt concrete layer of surface layer
Between be arranged emulsified asphalt adhesive layer.
Compared with prior art, the utility model has the following beneficial effects:
1, the utility model is successively laid with the high viscoelastic modified pitch of erosion resistant coating, water-proof tack coat, bottom on steel bridge deck
Concrete layer, emulsified asphalt adhesive layer and the high viscoelastic modified asphalt concrete layer of surface layer, solve problem of the existing technology,
Paving structure has good high-temperature stability, fatigue resistance, water stability, durability and low-temperature cracking-resistance, paving structure layer
Between and with steel bridge deck adhesive property it is good, while the compatible deformation of Steel Bridge Deck entirety can be met.
2, water-proof tack coat uses porous special multi-modified asphalt film waterproof material, has excellent waterproofness, caking property, and
With the performance for bonding healing repeatedly, moisture can be effectively prevent to enter, protect steel bridge deck, while provide enough cohesive forces with
Temperature and the lower horizontal shearing stress generated of wheel load effect are resisted, is allowed to meet the pavement performance requirement of Steel Bridge Deck structure, guarantees steel
The durability of deck installation structure guarantees road-ability and safety.
It is each coating technology index below:
1 erosion resistant coating modified polyisocyanate coating technology index of table
The porous special multi-modified asphalt coating waterproofing adhesive layer technical indicator of table 2
The high viscoelastic modified asphalt concrete SMAP-5 mixture gradation range of the high viscoelastic modified asphalt concrete layer of 3 bottom of table
It is required that
| Screen size | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 |
| SM/mAmP-5 | 100 | 95~98 | 90~94 | 36~40 | 30~34 | 23~27 | 16~19 | 12~15 | 8~11 |
The high viscoelastic modified asphalt concrete SMAP-5 mixture technical performance of the high viscoelastic modified asphalt concrete layer of 4 bottom of table
Index request
5 resin emulsified asphalt adhesive layer technical indicator of table
The high viscoelastic modified asphalt concrete SMAP-13 mixture gradation model of the high viscoelastic modified asphalt concrete layer of 6 surface layer of table
Enclose requirement
| Screen size/mm | 16 | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 |
| SMAP-13 | 100 | 90~100 | 50~75 | 20~34 | 15~26 | 14~24 | 12~20 | 10~16 | 9~15 | 8~12 |
The high viscoelastic modified asphalt concrete SMAP-13 mixture of the high viscoelastic modified asphalt concrete layer of 7 surface layer of table is technical
It can index request
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment 1:
Referring to Fig. 1, a kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure, key technology is in steel bridge
1 upper berth of panel sets erosion resistant coating 2, is water-proof tack coat 3 on erosion resistant coating 2, is laid with high viscoelastic modified pitch coagulation on water-proof tack coat 3
Soil layer, high viscoelastic modified asphalt concrete layer are divided into the high viscoelastic modified asphalt concrete layer 4 of bottom and the modified drip of the high viscoelastic of surface layer
Green concrete layer 6 is arranged between the high viscoelastic modified asphalt concrete layer 4 of bottom and the high viscoelastic modified asphalt concrete layer 6 of surface layer
Resin emulsified asphalt adhesive layer 5.
The steel bridge deck 1 is with a thickness of 12mm.
The erosion resistant coating 2 uses modified polyisocyanate, and the applying amount of erosion resistant coating 2 is 400g/m2。
The water-proof tack coat 3 uses porous special multi-modified asphalt, and the applying amount of water-proof tack coat 3 is 1300g/m2。
The high viscoelastic modified asphalt concrete layer 4 of bottom uses high viscoelastic modified asphalt concrete SMAP-5, the bottom
The high viscoelastic modified asphalt concrete layer 4 of layer with a thickness of 4cm.
The applying amount of the resin emulsified asphalt adhesive layer 5 is 500g/m2。
The high viscoelastic modified asphalt concrete layer 6 of surface layer uses high viscoelastic modified asphalt concrete SMAP-13, the face
The high viscoelastic modified asphalt concrete layer 6 of layer with a thickness of 4cm.
When construction, 400g/m is smeared after derusting to the steel bridge deck 1 with a thickness of 12mm2Modified polyisocyanate it is anti-
Rotten layer 2, then smears 1300g/m2Porous special multi-modified asphalt water-proof tack coat 3, mat formation on water-proof tack coat 3 4cm thickness
High viscoelastic modified asphalt concrete SMAP-5, then smear 500g/m2Resin emulsified asphalt adhesive layer 5, finally mat formation 4cm
Thick high viscoelastic modified asphalt concrete SMAP-13.After mating formation, bridge deck pavement structure has excellent high temperature performance, resists
Fatigue behaviour, water stability and durability, while can guarantee safety and the comfort of vehicle driving.
Embodiment 2:
Referring to Fig. 1, a kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure, key technology is in steel bridge
1 upper berth of panel sets erosion resistant coating 2, is water-proof tack coat 3 on erosion resistant coating 2, is laid with high viscoelastic modified pitch coagulation on water-proof tack coat 3
Soil layer, high viscoelastic modified asphalt concrete layer are divided into the high viscoelastic modified asphalt concrete layer 4 of bottom and the modified drip of the high viscoelastic of surface layer
Green concrete layer 6 is arranged between the high viscoelastic modified asphalt concrete layer 4 of bottom and the high viscoelastic modified asphalt concrete layer 6 of surface layer
Resin emulsified asphalt adhesive layer 5.
The steel bridge deck 1 is with a thickness of 12mm.
The erosion resistant coating 2 uses modified polyisocyanate, and the applying amount of erosion resistant coating 2 is 300g/m2。
The water-proof tack coat 3 uses porous special multi-modified asphalt, and the applying amount of water-proof tack coat 3 is 1400g/m2。
The high viscoelastic modified asphalt concrete layer 4 of bottom uses high viscoelastic modified asphalt concrete SMAP-5, the bottom
The high viscoelastic modified asphalt concrete layer 4 of layer with a thickness of 5cm.
The applying amount of the resin emulsified asphalt adhesive layer 5 is 600g/m2。
The high viscoelastic modified asphalt concrete layer 6 of surface layer uses high viscoelastic modified asphalt concrete SMAP-13, the face
The high viscoelastic modified asphalt concrete layer 6 of layer with a thickness of 4cm.
When construction, 300g/m is smeared after derusting to the steel bridge deck 1 with a thickness of 12mm2Modified polyisocyanate it is anti-
Rotten layer 2, then smears 1400g/m2Porous special multi-modified asphalt water-proof tack coat 3, mat formation on water-proof tack coat 3 5cm thickness
High viscoelastic modified asphalt concrete SMAP-5, then smear 600g/m2Resin emulsified asphalt adhesive layer 5, finally mat formation 4cm
Thick high viscoelastic modified asphalt concrete SMAP-13.After mating formation, bridge deck pavement structure has excellent high temperature performance, resists
Fatigue behaviour, water stability and durability, while can guarantee safety and the comfort of vehicle driving.
Embodiment 3:
Referring to Fig. 1, a kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure, key technology is in steel bridge
1 upper berth of panel sets erosion resistant coating 2, is water-proof tack coat 3 on erosion resistant coating 2, is laid with high viscoelastic modified pitch coagulation on water-proof tack coat 3
Soil layer, high viscoelastic modified asphalt concrete layer are divided into the high viscoelastic modified asphalt concrete layer 4 of bottom and the modified drip of the high viscoelastic of surface layer
Green concrete layer 6 is arranged between the high viscoelastic modified asphalt concrete layer 4 of bottom and the high viscoelastic modified asphalt concrete layer 6 of surface layer
Emulsified asphalt adhesive layer 5.
The steel bridge deck 1 is with a thickness of 13mm.
The erosion resistant coating 2 uses modified polyisocyanate, and the applying amount of erosion resistant coating 2 is 400g/m2。
The water-proof tack coat 3 uses porous special multi-modified asphalt, and the applying amount of water-proof tack coat 3 is 1300g/m2。
The high viscoelastic modified asphalt concrete layer 4 of bottom uses high viscoelastic modified asphalt concrete SMAP-5, the bottom
The high viscoelastic modified asphalt concrete layer 4 of layer with a thickness of 5cm.
The applying amount of the resin emulsified asphalt adhesive layer 5 is 600g/m2。
The high viscoelastic modified asphalt concrete layer 6 of surface layer uses high viscoelastic modified asphalt concrete SMAP-13, the face
The high viscoelastic modified asphalt concrete layer 6 of layer with a thickness of 5cm.
When construction, 400g/m is smeared after derusting to the steel bridge deck 1 with a thickness of 13mm2Modified polyisocyanate it is anti-
Rotten layer 2, then smears 1300g/m2Porous special multi-modified asphalt water-proof tack coat 3, mat formation on water-proof tack coat 3 5cm thickness
High viscoelastic modified asphalt concrete SMAP-5, then smear 600g/m2Resin emulsified asphalt adhesive layer 5, finally mat formation 5cm
Thick high viscoelastic modified asphalt concrete SMAP-13.After mating formation, bridge deck pavement structure has excellent high temperature performance, resists
Fatigue behaviour, water stability and durability, while can guarantee safety and the comfort of vehicle driving.
Embodiment 4:
Referring to Fig. 1, a kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure, key technology is in steel bridge
1 upper berth of panel sets erosion resistant coating 2, is water-proof tack coat 3 on erosion resistant coating 2, is laid with high viscoelastic modified pitch coagulation on water-proof tack coat 3
Soil layer, high viscoelastic modified asphalt concrete layer are divided into the high viscoelastic modified asphalt concrete layer 4 of bottom and the modified drip of the high viscoelastic of surface layer
Green concrete layer 6 is arranged between the high viscoelastic modified asphalt concrete layer 4 of bottom and the high viscoelastic modified asphalt concrete layer 6 of surface layer
Resin emulsified asphalt adhesive layer 5.
The steel bridge deck 1 is with a thickness of 14mm.
The erosion resistant coating 2 uses modified polyisocyanate, and the applying amount of erosion resistant coating 2 is 500g/m2。
The water-proof tack coat 3 uses porous special multi-modified asphalt, and the applying amount of water-proof tack coat 3 is 1200g/m2。
The high viscoelastic modified asphalt concrete layer 4 of bottom uses high viscoelastic modified asphalt concrete SMAP-5, the bottom
The high viscoelastic modified asphalt concrete layer 4 of layer with a thickness of 4cm.
The applying amount of the resin emulsified asphalt adhesive layer 5 is 500g/m2。
The high viscoelastic modified asphalt concrete layer 6 of surface layer uses high viscoelastic modified asphalt concrete SMAP-13, the face
The high viscoelastic modified asphalt concrete layer 6 of layer with a thickness of 5cm.
When construction, 500g/m is smeared after derusting to the steel bridge deck 1 with a thickness of 14mm2Modified polyisocyanate it is anti-
Rotten layer 2, then smears 1200g/m2Porous special multi-modified asphalt water-proof tack coat 3, mat formation on water-proof tack coat 3 4cm thickness
High viscoelastic modified asphalt concrete SMAP-5, then smear 500g/m2Resin emulsified asphalt adhesive layer 5, finally mat formation 5cm
Thick high viscoelastic modified asphalt concrete SMAP-13.After mating formation, bridge deck pavement structure has excellent high temperature performance, resists
Fatigue behaviour, water stability and durability, while can guarantee safety and the comfort of vehicle driving.
Claims (1)
1. a kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure, sets erosion resistant coating on steel bridge deck (1) upper berth
(2), it is characterized in that being water-proof tack coat (3) on erosion resistant coating (2), high viscoelastic modified pitch coagulation is laid on water-proof tack coat (3)
Soil layer, high viscoelastic modified asphalt concrete layer is divided into the high viscoelastic modified asphalt concrete layer (4) of bottom and the high viscoelastic of surface layer is modified
Asphalt concrete layer (6), the high viscoelastic modified asphalt concrete layer (4) of bottom and the high viscoelastic modified asphalt concrete layer (6) of surface layer
Between be arranged resin emulsified asphalt adhesive layer (5)；
The erosion resistant coating (2) uses modified polyisocyanate, and the applying amount of erosion resistant coating (2) is 300~500g/m2；
The water-proof tack coat (3) uses porous special multi-modified asphalt, and the applying amount of water-proof tack coat (3) is 1200~1400g/
m2；
The high viscoelastic modified asphalt concrete layer (4) of bottom uses high viscoelastic modified asphalt concrete SMAP-5, and bottom height is viscous
Play modified asphalt concrete layer (4) with a thickness of 4~6cm；
The applying amount of the resin emulsified asphalt adhesive layer (5) is 500~600g/m2；
The high viscoelastic modified asphalt concrete layer (6) of surface layer uses high viscoelastic modified asphalt concrete SMAP-13, and surface layer height is viscous
Play modified asphalt concrete layer (6) with a thickness of 4~5cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433561.6U CN208379431U (en) | 2017-11-01 | 2017-11-01 | A kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure |
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|---|---|---|---|
| CN201721433561.6U CN208379431U (en) | 2017-11-01 | 2017-11-01 | A kind of novel high viscoelastic modified asphalt concrete steel bridge deck pavement structure |
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| CN208379431U true CN208379431U (en) | 2019-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930483A (en) * | 2019-03-22 | 2019-06-25 | 湖南鑫长胜材料科技有限公司 | A kind of steel bridge deck paving structure |
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- 2017-11-01 CN CN201721433561.6U patent/CN208379431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930483A (en) * | 2019-03-22 | 2019-06-25 | 湖南鑫长胜材料科技有限公司 | A kind of steel bridge deck paving structure |
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