CN105937204B - A kind of Large-span Steel Box Beam rigidity cooperative type composite deck is mated formation Rotating fields and its construction method - Google Patents
A kind of Large-span Steel Box Beam rigidity cooperative type composite deck is mated formation Rotating fields and its construction method Download PDFInfo
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- CN105937204B CN105937204B CN201610347093.4A CN201610347093A CN105937204B CN 105937204 B CN105937204 B CN 105937204B CN 201610347093 A CN201610347093 A CN 201610347093A CN 105937204 B CN105937204 B CN 105937204B
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- 238000010276 construction Methods 0.000 title claims abstract description 44
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 16
- 238000010008 shearing Methods 0.000 claims abstract description 83
- 230000002787 reinforcement Effects 0.000 claims abstract description 67
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 44
- 239000011384 asphalt concrete Substances 0.000 claims abstract description 27
- 239000004567 concrete Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
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- 210000003205 muscle Anatomy 0.000 claims description 6
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- 239000004575 stone Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 238000000280 densification Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
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- 229910052742 iron Inorganic materials 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims description 2
- 230000001680 brushing effect Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 208000035240 Disease Resistance Diseases 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000007744 chromate conversion coating Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Mat formation Rotating fields and its construction method the present invention relates to a kind of Large-span Steel Box Beam rigidity cooperative type composite deck, it is first along steel box-girder periphery brushing anticorrosive heat insulating coating;Then side gussets and top lapping plate are set in steel box-girder seam crossing, in the upper surface of box beam along longitudinal measure shearing resistance band, shearing resistance band tension rib is set between adjacent shearing resistance band, and in the horizontal negative reinforcement of bridge pier position setting and longitudinal negative reinforcement;Supporting module carries out the concreting of rigid reinforcing layer, maintenance again;After after concrete formation intensity, reinforcement stratum reticulare, waterproof layer, stress absorbing layer construction are carried out successively, and lay draining band along road camber direction;Finally carry out particulate formula SMA asphalt concrete layers and the laying of middle grain formula SMA asphalt concrete layers.The present invention can not only realize that the deformation of steel box-girder upper structural layer, rigidity are coordinated, and can effectively prevent the influence of pavement seepage and thermograde to steel box-girder, can also reduce influence of the hogging moment to structure at bridge pier.
Description
Technical field
The invention belongs to bridge construction field of engineering technology, it is related to a kind of steel box girder bridge floor paving layer construction method, especially
It is related to a kind of Large-span Steel Box Beam rigidity association that can be realized the coordination of paving structure storey stiffness, improve structure sheaf disease resistance ability
Mode composite deck is mated formation Rotating fields and its construction method, it is adaptable to large span, the bridge deck pavement construction work of steel box girder bridge.
Background technology
With the rapid development of economy, application of the steel bridge in Longspan Bridge, urban interchange is more and more universal.Relatively
In the steel bridge form such as steel truss, steel arch bridge, steel box-girder has the advantages that from heavy and light, economy, to set up convenient, span ability big, its
Engineer applied is more universal.Bridge deck pavement is the important component of bridge driving system, and direct bearing load and environment have
The erosion of evil material, the performance of pavement material is good and bad and reasonability of structure design be directly connected to bridge durability, security,
Comfortableness and economy.
At present, steel box girder bridge floor paving generally uses bituminous concrete, however, because steel belongs to the good conductor of heat, and drip
Blue or green concrete resistance to elevated temperatures is poor, under the coupling of traffic load and high temperature, and asphalt concrete pavement layer, which is also easy to produce, to be pushed away
Move, gather around the diseases such as bag, have a strong impact on the service life and pavement performance of bridge.
Existing a kind of steel box girder bridge floor paving structure and method for paving with the capability of antidetonance, the structure in steel box-girder just
Hand over and tack coat is set above water layer of being set up defences above different in nature floorings, waterproof layer, the top of lower tack coat is compound mixed for GFRP-
Solidifying soil antiknock pave-load layer, the top of GFRP- composite concrete antiknock pave-load layers is upper tack coat, and the top of upper tack coat is pitch
Concrete abrasion layer.The structure selects high-strength and high-ductility light-weight compound concrete by GFRP- composite concrete antiknock pave-load layers
Soil, can significantly strengthen the intensity, toughness and shock resistance antiknock ability of steel box-girder pave-load layer, but the structure is difficult to knot of mating formation
Structure storey stiffness is coordinated, it is impossible to which effectively reduction vehicle shearing is to overlaying structural damage.
In summary, asphalt concrete layer of mating formation on steel box girder bridge face is more universal, and existing overlay structure is suitable
Though preferable engineer applied effect is achieved under operating mode, how effective coordination overlays structure storey stiffness, control shear stress
Part can be improved by being remained in terms of influence, prevention and control structure water-induced distress.In consideration of it, being actually needed based on current engineering, at present
Urgently invent it is a kind of can effectively prevention and control steel box-girder overlay Structural defect, improve structure tension performance Large-span Steel Box Beam rigidity
Cooperative type composite deck pave-load layer construction method.
The content of the invention
For the above-mentioned problems in the prior art, steel case can be not only realized it is an object of the invention to provide a kind of
The deformation of beam upper structural layer, rigidity are coordinated, and can the effective shadow of prevention and control pavement seepage, temperature load to overlay structure
Ring, the Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer knot that can be influenceed with hogging moment at prevention and control bridge pier on structure sheaf
Structure and its construction method.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck is mated formation Rotating fields, including steel box-girder, horizontal row
Water pipe and vertical drainage pipe, it is characterised in that in the web side of adjacent two width steel box-girder, side gussets, top surface laying are set
Top lapping plate, adjacent two width steel box-girder is connected by side gussets and top lapping plate, and the upper surface of steel box-girder is along longitudinal side
It is welded with to interval between one group of shearing resistance band, adjacent shearing resistance band and is provided with shearing resistance band connecting lacing wire, steel box-girder is at bridge pier position
If horizontal negative reinforcement and longitudinal negative reinforcement;Steel box-girder top is bottom-up set gradually rigid reinforcing layer, reinforcement stratum reticulare, waterproof layer, should
Power absorbed layer, particulate formula SMA asphalt concrete layers and middle grain formula SMA asphalt concrete layers, the bridge outpiled surface are uniformly applied
One layer of anticorrosive heat insulating layer of brush.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck is mated formation Rotating fields, it is characterised in that the top
Lapping plate is formed using steel plate integral cutting, and width is 30cm ~ 50cm;Preset for installing lapping plate the both sides of top lapping plate
The lapping plate high-strength bolt of high-strength bolt passes through hole.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck is mated formation Rotating fields, it is characterised in that shearing resistance band
It is welded by orthogonal vertical steel plate and horizontal steel plate, shearing resistance band connecting lacing wire is laid at vertical steel plate upper edge interval
Groove is laid through hole and U-shaped reinforcing bar;The shearing resistance band connecting lacing wire is laid in 1/2 ~ 2/3 vertical height of shearing resistance band through hole
Place, the horizontal negative reinforcement is connected with shearing resistance band vertical welding, along bridge longitudinal direction at intervals of 15 ~ 30cm, the length of horizontal negative reinforcement
Spend the big 2 ~ 4m of width than bridge pier.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck is mated formation Rotating fields, it is characterised in that the rigidity
The longitudinal uniform intervals in reinforcing layer edge set filling discrete material in transverse expansion joint, transverse expansion joint, and the laying of expansion joint top should
Power diffuser plate, stress spread plate is connected with rigid reinforcing layer by stress spread plate anchor bolt, and the reinforcement stratum reticulare is using soil
Work grid or bar-mat reinforcement or steel fibre grid, lay along rigid reinforcing layer upper surface tunneling boring.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck is mated formation Rotating fields, it is characterised in that the waterproof
Layer upper surface lays the transverse drain on the outside of draining band, draining strap ends insertion steel box-girder along road camber direction, laterally row
Water pipe is communicated with vertical drainage pipe, vertical drainage tube top end connection sluicing funnel.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that including
Following construction procedure:
1)Anticorrosive heat insulating layer is brushed:The pollutant on steel box-girder surface, iron rust are removed totally, using painting tool to steel case
Uniformly brush one layer of anticorrosive heat insulating layer in beam outer surface;
2)Steel box-girder is lifted:Using lifting machinery by step 1)Steel box-girder lift to bridge pier top, and by steel box-girder with
Bridge pier is connected firmly;
3)Side gussets are set:Vertical side gussets are set in the web side of adjacent two width steel box-girder, by perpendicular
Adjacent two width steel box-girder is connected to side gussets, side gussets are connected jail with web by high-strength web connecting bolt
Gu;
4)Top lapping plate is set:The lapping plate at the top of the top surface of adjacent two width steel box-girder is laid along longitudinal direction, passes through top
Lapping plate connects adjacent two width steel box-girder, and top lapping plate is connected firmly with steel box-girder by lapping plate high-strength bolt;
5)Shearing resistance band is installed:One group of shearing resistance band is welded along the longitudinal direction in the upper surface of steel box-girder, by shearing resistance band
The shearing resistance band connecting lacing wire of connecting lacing wire through two neighboring shearing resistance band passes through hole, is drawn for connecting anti-two adjacent bands of cutting
Connect muscle;
6)Horizontal negative reinforcement and longitudinal negative reinforcement are installed:At bridge pier position, it is arranged in horizontal negative reinforcement collinear anti-
The U-shaped reinforcing bar for cutting band upper surface is laid on groove, and in horizontal negative reinforcement(14)Upper surface interval weld one group of longitudinal negative reinforcement;
7)Rigid reinforcing layer concreting:On steel box-girder supporting module carry out concreting, and shearing resistance band,
Horizontal negative reinforcement position increase vibrations number of times, it is ensured that concrete is fully closely knit;
8)Reinforcement stratum reticulare is laid:In step 7)Rigid reinforcing layer concrete initial set after before final set, along along rigid reinforcing layer
Reinforcement stratum reticulare is laid on surface, and the reinforcement stratum reticulare after tensioning is tight is connected firmly by U-shaped rivet with rigid reinforcing layer;
9)Construction of waterproof layer:Waterproof layer is laid in reinforcement stratum reticulare upper surface, the outer ledge edge in waterproof layer upper surface is vertical
To laying transverse drain, draining band is set to be connected with the transverse drain on the outside of steel box-girder;
10)Stress absorbing layer is laid:Dense bitumen Stabilized crushed stone material or close-graded rubber are laid on waterproof layer top
Glue Stabilized crushed stone material, and using the compacting of light-duty road roller, form stress absorbing layer;
11)Particulate formula SMA asphalt concrete layers and the laying of middle grain formula SMA asphalt concrete layers:On stress absorbing layer top
Laying particulate formula SMA asphalt concrete layers and middle grain formula SMA asphalt concrete layers, and machinery is carried out respectively to two layer positions successively
Densification;
12)In step 11)Obtained bridge floor both sides set the connected vertical drainage pipe of sluicing funnel and top respectively,
Vertical drainage pipe extends to bridge pier bottom, and transverse drain is connected with vertical drainage pipe.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that step
4)The top lapping plate is formed using steel plate integral cutting, wide 30cm ~ 50cm;At top, lapping plate is preset in the both sides of lapping plate
High-strength bolt passes through hole;Lapping plate high-strength bolt uses stainless steel expansion bolt.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that step
5)Described in shearing resistance band be welded by orthogonal vertical steel plate and horizontal steel plate, shearing resistance is laid at interval on vertical steel plate
Band connecting lacing wire, which is passed through, opens up U-shaped reinforcing bar laying groove at the top of hole, vertical steel plate.
Described a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that described
Shearing resistance band connecting lacing wire passes through hole(10)Positioned at apart from shearing resistance band(9)At the vertical height of top 1/2 ~ 2/3.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that step
5)Middle shearing resistance band connecting lacing wire one end sets shearing resistance band connecting lacing wire end plate, and the other end sets connecting lacing wire bolt, the shearing resistance bar
Band connecting lacing wire end plate is welded on the outside of one of shearing resistance band, and the shearing resistance band connecting lacing wire other end is anchored on by connecting lacing wire bolt
On the outside of corresponding another shearing resistance band.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that step
6)Described in horizontal negative reinforcement be connected with shearing resistance band vertical welding, adjacent two transverse direction negative reinforcements along bridge it is longitudinal at intervals of 15 ~
30cm, the length 2 ~ 4m wider than bridge pier of horizontal negative reinforcement.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that step
7)Concrete used in the rigid reinforcing layer is lightweight fines concrete layer or self-compaction fines concrete, along rigid reinforcing layer
Longitudinal uniform intervals set filling discrete material in transverse expansion joint, transverse expansion joint, and laying stress in transverse expansion joint top expands
Fall apart, stress spread plate is connected with rigid reinforcing layer by stress spread plate anchor bolt.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that step
8)The reinforcement stratum reticulare uses earth work grille net or bar-mat reinforcement or steel fibre grid, and reinforcement stratum reticulare is complete along rigid reinforcing layer upper surface
Section is laid.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that step
9)The waterproof layer uses rubber membrane or sheet rubber or malthoid geotextile material, and draining is laid in waterproof layer upper surface along road camber direction
Transverse drain on the outside of band, draining strap ends insertion steel box-girder.
A kind of described Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, it is characterised in that step
12)In sluicing funnel use horn mouth cast iron sluicing funnel.
By using above-mentioned technology, compared with prior art, the characteristics of present invention has following and beneficial effect:
1)The present invention is arranged at intervals one group of shearing resistance band in overlay, and sets shearing resistance band drawknot in shearing resistance bar interband
Muscle, can improve the ability that structure sheaf resists failure by shear that overlays while enhancing overlays structure sheaf bulk strength;
2)The present invention lays rigid reinforcing layer on steel box-girder top successively, reinforcement stratum reticulare, waterproof layer, stress absorbing layer, thin
Grain formula SMA asphalt concrete layers and middle grain formula SMA asphalt concrete layers, can be achieved the smoothly transition of structure storey stiffness, and then
Compatibility of deformation between layers;
3)The present invention lays side gussets and top lapping plate between steel box-girder web, can reduce between adjacent steel box-girder
Differential deformation, strengthen steel box-girder globality;
4)The present invention lays draining band in overlay, sets drainpipe in overlay outboard end, it is possible to decrease rainwater
Permeate the corrosion to steel box-girder;
5)Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method disclosed by the invention, not only can be real
Existing paving structure storey stiffness is coordinated, improves structure sheaf disease resistance ability, improves structure tension performance, and can effectively prevent
The influence of pavement seepage and thermograde to steel box-girder, can also reduce influence of the hogging moment to structure at bridge pier, it is adaptable to big
Span, the bridge deck pavement construction work of steel box girder bridge.
Brief description of the drawings
Fig. 1 is the Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer structure transverse face figure of the present invention;
The Large-span Steel Box Beam rigidity cooperative type composite deck that Fig. 2 is Fig. 1 is mated formation Rotating fields skiagraph;
Fig. 3 is Fig. 1 shearing resistance band side views;
Fig. 4 is Fig. 1 shearing resistance band cross-sectional views;
Fig. 5 is Fig. 1 shearing resistance band connecting lacing wire cross-sectional views;
Fig. 6 is Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer structure construction flow chart of the present invention.
In figure:1- steel box-girders;2- anticorrosive heat insulatings layer;3- bridge piers;4- side gussets;5- webs;The high-strength web connections of 6-
Bolt;Lapping plate at the top of 7-;8- lapping plate high-strength bolts;9- shearing resistance bands;10- shearing resistance bands connecting lacing wire passes through hole;11- shearing resistances
Band connecting lacing wire;12- shearing resistance band connecting lacing wire end plates;13- connecting lacing wire bolts;14- transverse direction negative reinforcements;15- longitudinal directions negative reinforcement;16-U shapes
Reinforcing bar lays groove;17- rigidity reinforcing layers;18- reinforcement stratum reticulares;19-U shape rivets;20- waterproof layers;21- draining bands;22- is horizontal
Drainpipe;23- vertical drainage pipes;24- stress absorbing layers;25- particulate formula SMA asphalt concrete layers;Grain formula SMA pitches in 26-
Concrete layer;27- lapping plates high-strength bolt passes through hole;28- sluicing funnels;The vertical steel plates of 29-;30- transverse direction steel plates;31- is horizontal
Expansion joint;32- discrete materials;33- stress spread plates;34- stress spread plate anchor bolts;35- bridge piers.
Embodiment
Embodiments of the invention are described in further detail below in conjunction with Figure of description, but the present invention is not used to limit
The system present invention, every similar structure using the present invention and its similar change, all should be included in protection scope of the present invention.
Shearing resistance strip design and manufacturing technology requirement of the present invention, steel box-girder are surface-treated construction technical requirement, mixed
Solidifying soil pouring construction technical requirements, SMA asphalt concrete layer design and constructions technical requirements, reinforcing bar colligation or welding procedure technology
It is required that, stress absorbing layer design and construction technical requirements, tension rib make and construction technical requirement etc. belongs to routine techniques, because
Repeated no more in this present embodiment, emphasis illustrates that the present invention relates to the embodiment of method.
Fig. 1 is a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer structure transverse face figure of the invention, and Fig. 2 is
Fig. 1 Large-span Steel Box Beam rigidity cooperative type composite decks are mated formation Rotating fields skiagraph, and Fig. 3 is Fig. 1 shearing resistance band side views, figure
4 be Fig. 1 shearing resistance band cross-sectional views, and Fig. 5 is Fig. 1 shearing resistance band connecting lacing wire cross-sectional views.
Shown in 1 ~ Fig. 5 of reference picture, Large-span Steel Box Beam rigidity cooperative type composite deck of the present invention mats formation Rotating fields in steel case
One layer of anticorrosive heat insulating layer 2 is uniformly brushed in the outer surface of beam 1, the web 5 of adjacent two width steel box-girder 1 set sideways side gussets 4,
Top surface laying top lapping plate 7, connects two neighboring steel box-girder 1, in steel box-girder 1 by side gussets 4 and top lapping plate 7
Upper surface is along one group of shearing resistance band 9 of longitudinal measure, and adjacent to cut between band 9 provided with band connecting lacing wire 11 is cut, in bridge pier, 3 set
Horizontal negative reinforcement 14 and longitudinal negative reinforcement 15;The top of steel box-girder 1 it is bottom-up set gradually rigid reinforcing layer 17, reinforcement stratum reticulare 18,
Waterproof layer 20, stress absorbing layer 24, particulate formula SMA asphalt concrete layers 25 and middle grain formula SMA asphalt concrete layers 26.
As illustrated, in the embodiment of the present invention, the wide 8m of the top surface of steel box-girder 1, high 1.8m, it is in " T " to be made according to current specifications
Shape, the bottom width 2m of web 5, armor plate strength grade is Q235.
Anticorrosive heat insulating layer 2 uses water base pure acrylic latex.
The width 20m of bridge pier 3, is poured, concrete strength C40 using Reinforced Concrete Materials.
The width of side gussets 4 1.0m, high 1.0m, thickness 20mm, strength grade are Q235;Side gussets 4 and steel box-girder abdomen
Plate 5 is connected firmly by high-strength web connecting bolt 6;High-strength web connecting bolt 6 uses outer-hexagonal bolt, and specification is M30.
Top lapping plate 7 is formed using steel plate integral cutting, and wide 50cm, long 3m, thickness 20mm, strength grade are Q235;
Preset lapping plate high-strength bolt and pass through hole 27 in the both sides of top lapping plate 7;Lapping plate high-strength bolt passes through the diameter 25mm of hole 27;Take
Fishplate bar high-strength bolt 8 uses stainless steel expansion bolt, and overall length 60mm covers the mm of pipe range 40, diameter 20mm, surface is zinc electroplating with iridescent yellow chromate conversion coating.
Shearing resistance band 9 is welded by orthogonal vertical steel plate 29 and horizontal steel plate 30, steel plate thickness 20mm, intensity etc.
Level is Q235;The high 150mm of vertical steel plate 29, lays shearing resistance band connecting lacing wire at the upper interval of vertical steel plate 29 and passes through hole 10 and U
Shape reinforcing bar lays groove 16, and U-shaped reinforcing bar is laid groove 16 and opened up from the vertical top of steel plate 29, and shearing resistance band connecting lacing wire is located at through hole 10
At 1/2 ~ 2/3 vertical height of vertical steel plate 29(From top to bottom);Shearing resistance band connecting lacing wire passes through the diameter 35mm of hole 10;U-shaped steel
Muscle is laid the cross section of groove 16 and taken the shape of the letter U, groove depth 40mm;Shearing resistance band connecting lacing wire 11 uses a diameter of 32mm, and strength grade is
HRB335 spiral, is threaded at the two ends of shearing resistance band connecting lacing wire 11, and one end sets 60mm square shearing resistance band to draw
Muscle end plate 12 is connect, the other end sets connecting lacing wire bolt 13 of the internal diameter as 25mm.
Horizontal negative reinforcement 14 and longitudinal negative reinforcement 15 use a diameter of 32mm, and strength grade is HRB335 spiral, horizontal
It is welded to connect to negative reinforcement 14 with longitudinal negative reinforcement 15, shearing resistance band 9.
The rigid thickness of reinforcing layer 17 is 200mm, concrete used in rigid reinforcing layer 17 for lightweight fines concrete layer or
Grade is C35 self-compaction fines concrete, and a transverse expansion joint 31 is laid every 20m along the rigid longitudinal direction of reinforcing layer 17, horizontal
To the width 100mm of expansion joint 31;The filling discrete material 32 in transverse expansion joint 31, discrete material 32 is thick using uniform particle sizes'
Sand;The laying stress spread plate 33 at the top of transverse expansion joint 31, stress spread plate 33 use a width of 50mm, a length of 18m, thickness for
20mm steel plate, its strength grade is Q235;Stress spread plate 33 passes through stress spread plate anchor bolt with rigid reinforcing layer 17
34 connections, stress spread plate anchor bolt 34 uses stainless steel expansion bolt, and overall length 60mm covers the mm of pipe range 40, diameter 20mm,
Surface is zinc electroplating with iridescent yellow chromate conversion coating.
The bar-mat reinforcement that reinforcement stratum reticulare 18 is woven using diameter 6mm reinforcing bars;U-shaped rivet 19 is using diameter 10mm, strength grade
Prefabricated formed for HRB335 plain steel-bar;Waterproof layer 20 uses thickness 10mm sheet rubber.
Draining band 21 uses thickness for 8mm plastic draining board;Transverse drain 22, vertical drainage pipe 23 are using straight
Footpath 110mm pvc pipe.
Stress absorbing layer 24 is used using Asphalt Stabilized Macadam, and pitch uses modified pitch.
Particulate formula SMA asphalt concrete layers 25 use thickness 6cm SMA-13 bituminous concretes;Middle grain formula SMA pitch coagulations
Soil layer 26 uses thickness 8cm SMA-20 bituminous concretes.
Sluicing funnel 28 uses horn mouth cast iron sluicing funnel, and the bottom of sluicing funnel 28 is connected with vertical drainage pipe 23.
The bridge pier 35 of the bottom of bridge pier 3 is deposited reinforced concrete pile, bridge pier diameter 1m.
Fig. 6 is Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer structure construction flow chart of the present invention.Reference picture 6
A kind of shown, of the invention Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, including following construction step
Suddenly:
1)Anticorrosive heat insulating layer 2 is brushed:The pollutant on the surface of steel box-girder 1, iron rust are removed it is clean, using painting tool along steel
Uniformly brush one layer of anticorrosive heat insulating layer 2 in the outer surface of box beam 1;
2)Steel box-girder 1 is lifted:Steel box-girder is lifted to the top of bridge pier 3 using lifting machinery, and by steel box-girder 1 and bridge pier 3
It is connected firmly;
3)Side gussets 4 are set:In the side of web 5 of adjacent two width steel box-girder 1, vertical side gussets 4 are set, and
Side gussets 4 are connected firmly with the web 5 of steel box-girder 1 by high-strength web connecting bolt 6;
4)Top lapping plate 7 is set:In the top surface of adjacent two width steel box-girder 1, along longitudinal direction laying top lapping plate 7, and will
Top lapping plate 7 is connected firmly with steel box-girder 1 by lapping plate high-strength bolt 8;
5)Shearing resistance band 9 is installed:In the upper surface of steel box-girder 1 along longitudinal measure shearing resistance band 9, in adjacent shearing resistance band 9
Between shearing resistance band connecting lacing wire through passing through shearing resistance band connecting lacing wire 11 in hole 10, and by shearing resistance band connecting lacing wire end plate 12 with
Shearing resistance band 9 is welded to connect, and the other end is fastened by connecting lacing wire bolt 13;
6)Horizontal negative reinforcement 14 and longitudinal negative reinforcement 15 are installed:At the position of bridge pier 3, horizontal negative reinforcement 14 is set to pass through on shearing resistance band 9
The U-shaped reinforcing bar on surface lays groove 16, in the longitudinal negative reinforcement 15 of upper surface welding of horizontal negative reinforcement 14;
7)The rigid concreting of reinforcing layer 17:Supporting module carries out concreting, and negative in shearing resistance band 9, transverse direction
The position of muscle 14 increase vibrations number of times, it is ensured that concrete is fully closely knit;
8)Reinforcement stratum reticulare 18 is laid:After the rigid concrete initial set of reinforcing layer 17 before final set, along the rigid upper surface of reinforcing layer 17
Reinforcement stratum reticulare 18 is laid, the reinforcement stratum reticulare 18 after tensioning is tight is connected firmly by U-shaped rivet 19 with rigid reinforcing layer 17;
9)Waterproof layer 20 is constructed:Waterproof layer 20 is laid in the upper surface of reinforcement stratum reticulare 18, and on the top of waterproof layer 20 along road camber
Direction laying draining band 21, the waterproof layer 20 uses rubber membrane or sheet rubber or malthoid geotextile material;In waterproof layer 20
The outer ledge of upper surface makes portraitlandscape drainpipe 22 connect with vertical drainage pipe 23 along longitudinal direction laying portraitlandscape drainpipe 22
It is logical, and draining band 21 and the portraitlandscape drainpipe 22 in the outside of steel box-girder 1 is connected;
10)Stress absorbing layer 24 is laid:Dense bitumen Stabilized crushed stone material is laid on the top of waterproof layer 20, and is used
Light-duty road roller compacting, forms stress absorbing layer 24;
11)Particulate formula SMA asphalt concrete layers 25 and middle grain formula SMA asphalt concrete layers 26 are laid:In stress absorbing layer
SMA-13 asphalt concrete layers and middle grain formula SMA-20 asphalt concrete layers are laid in 24 tops successively, and two layer positions are entered respectively
Row machinery densification;
12)In step 11)Obtained bridge floor both sides set the connected vertical drainage of sluicing funnel 28 and top respectively
Pipe 23, vertical drainage pipe 23 extends to the bottom of bridge pier 35, and transverse drain 22 is connected with vertical drainage pipe 23.
Claims (9)
1. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method, the Large-span Steel Box Beam rigidity is coordinated
Formula composite deck mats formation Rotating fields including steel box-girder(1), transverse drain(22)And vertical drainage pipe(23), it is characterised in that
Adjacent two width steel box-girder(1)Web(5)Side sets side gussets(4), top surface laying top lapping plate(7), by side
Connecting plate(4)With top lapping plate(7)Connect adjacent two width steel box-girder(1), steel box-girder(1)Upper surface be spaced along the longitudinal direction
It is welded with one group of shearing resistance band(9), adjacent shearing resistance band(9)Between be provided with shearing resistance band connecting lacing wire(11), steel box-girder(1)In bridge
Pier position sets horizontal negative reinforcement(14)With longitudinal negative reinforcement(15);Steel box-girder(1)Top is bottom-up to set gradually rigid reinforcing layer
(17), reinforcement stratum reticulare(18), waterproof layer(20), stress absorbing layer(24), particulate formula SMA asphalt concrete layers(25)With middle grain formula
SMA asphalt concrete layers(26), the steel box-girder(1)Uniformly brush one layer of anticorrosive heat insulating layer in outer surface(2), it is characterised in that bag
Include following construction procedure:
1)Anticorrosive heat insulating layer(2)Brush:By steel box-girder(1)Pollutant, the iron rust on surface are removed totally, using painting tool to steel
Box beam(1)Uniformly brush one layer of anticorrosive heat insulating layer in outer surface(2);
2)Steel box-girder(1)Lifting:Using lifting machinery by step 1)Steel box-girder(1)Lift to bridge pier(3)Top, and by steel case
Beam(1)With bridge pier(3)It is connected firmly;
3)Side gussets(4)Set:In adjacent two width steel box-girder(1)Web(5)Side sets vertical side gussets
(4), pass through vertical side gussets(4)Connect adjacent two width steel box-girder(1), by side gussets(4)With web(5)Pass through height
Strong web connecting bolt(6)It is connected firmly;
4)Top lapping plate(7)Set:In adjacent two width steel box-girder(1)Top surface along longitudinal direction laying top lapping plate(7), pass through
Top lapping plate(7)Connect adjacent two width steel box-girder(1), and by top lapping plate(7)With steel box-girder(1)It is high-strength by lapping plate
Bolt(8)It is connected firmly;
5)Shearing resistance band(9)Install:In steel box-girder(1)Upper surface weld one group of shearing resistance band along the longitudinal direction(9), by shearing resistance
Band connecting lacing wire(11)Through two neighboring shearing resistance band(9)Shearing resistance band connecting lacing wire pass through hole(10), for connecting two
Adjacent shearing resistance band connecting lacing wire(11);
6)Horizontal negative reinforcement(14)With longitudinal negative reinforcement(15)Install:In bridge pier(3)Position, makes horizontal negative reinforcement(14)It is arranged in same
The shearing resistance band of one straight line(9)The U-shaped reinforcing bar of upper surface lays groove(16)On, and in horizontal negative reinforcement(14)Upper surface interval weldering
Connect one group of longitudinal negative reinforcement(15);
7)Rigid reinforcing layer(17)Concreting:In steel box-girder(1)Upper supporting module carries out concreting, and in shearing resistance bar
Band(9), horizontal negative reinforcement(14)Position increase vibrations number of times, it is ensured that concrete is fully closely knit;
8)Reinforcement stratum reticulare(18)Laying:In step 7)Rigid reinforcing layer(17)After concrete initial set before final set, along rigid reinforcement
Layer(17)Lay reinforcement stratum reticulare in upper surface(18), the reinforcement stratum reticulare after tensioning is tight(18)Pass through U-shaped rivet(19)With rigid reinforcement
Layer(17)It is connected firmly;
9)Waterproof layer(20)Construction:In reinforcement stratum reticulare(18)Lay waterproof layer in upper surface(20), in waterproof layer(20)Upper surface
Outer ledge lays transverse drain along longitudinal direction(22), make draining band(21)With steel box-girder(1)The transverse drain in outside
(22)It is connected;
10)Stress absorbing layer(24)Laying:In waterproof layer(20)Lay dense bitumen Stabilized crushed stone material or level of confidentiality in top
With rubber Stabilized crushed stone material, and using the compacting of light-duty road roller, form stress absorbing layer(24);
11)Particulate formula SMA asphalt concrete layers(25)With middle grain formula SMA asphalt concrete layers(26)Laying:In stress absorbing layer
(24)Particulate formula SMA asphalt concrete layers are laid successively in top(25)With middle grain formula SMA asphalt concrete layers(26), and to two
Layer position carries out mechanical densification respectively;
12)In step 11)Obtained bridge floor both sides set sluicing funnel respectively(28)And the connected vertical drainage pipe in top
(23), vertical drainage pipe(23)Extend to bridge pier(35)Bottom, transverse drain(22)With vertical drainage pipe(23)Connection.
2. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method according to claim 1, its
It is characterised by step 5)Middle shearing resistance band connecting lacing wire(11)One end sets shearing resistance band connecting lacing wire end plate(12), the other end, which is set, to be drawn
Connect muscle bolt(13), the shearing resistance band connecting lacing wire end plate(12)It is welded on one of shearing resistance band(9)Outside, connecting lacing wire spiral shell
Bolt(13)By shearing resistance band connecting lacing wire(11)The other end is anchored on corresponding another shearing resistance band(9)Outside.
3. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method according to claim 1, its
It is characterised by step 7)The rigid reinforcing layer(17)Concrete used is that lightweight fines concrete layer or self-compaction particulate are mixed
Solidifying soil, along rigid reinforcing layer(17)Longitudinal uniform intervals set transverse expansion joint(31), transverse expansion joint(31)Interior filling granular media
Material(32), transverse expansion joint(31)Lay stress spread plate in top(33), stress spread plate(33)With rigid reinforcing layer(17)
Pass through stress spread plate anchor bolt(34)Connection.
4. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method according to claim 1, its
It is characterised by step 9)The waterproof layer(20)Using rubber membrane or sheet rubber or malthoid geotextile material, waterproof layer(20)Upper table
Draining band is laid along road camber direction in face(21), draining band(21)Steel box-girder is inserted in end(1)The transverse drain in outside
(22).
5. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method according to claim 1, its
It is characterised by step 12)In sluicing funnel(28)Using horn mouth cast iron sluicing funnel.
6. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method according to claim 1, its
It is characterised by the top lapping plate(7)Formed using steel plate integral cutting, width is 30cm ~ 50cm;Top lapping plate(7)'s
Preset for installing lapping plate high-strength bolt both sides(8)Lapping plate high-strength bolt pass through hole(27).
7. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method according to claim 1, its
It is characterised by shearing resistance band(9)By orthogonal vertical steel plate(29)With horizontal steel plate(30)It is welded, vertical steel plate
(29)Lay shearing resistance band connecting lacing wire and pass through hole in upper edge interval(10)Groove is laid with U-shaped reinforcing bar(16);The shearing resistance band
Connecting lacing wire passes through hole(10)It is laid in shearing resistance band(9)1/2 ~ 2/3 vertical height at, the horizontal negative reinforcement(14)With shearing resistance bar
Band(9)Vertical welding is connected, along bridge longitudinal direction at intervals of 15 ~ 30cm, horizontal negative reinforcement(14)Length compare bridge pier(3)Width
Big 2 ~ 4m.
8. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method according to claim 1, its
It is characterised by the rigid reinforcing layer(17)Along longitudinal uniform intervals, transverse expansion joint is set(31), transverse expansion joint(31)Inside fill out
Fill discrete material(32), expansion joint top laying stress spread plate(33), stress spread plate(33)With rigid reinforcing layer(17)It is logical
Overstress diffuser plate anchor bolt(34)Connection, the reinforcement stratum reticulare(18)Using earth work grille net or bar-mat reinforcement or steel fibre lattice
Grid, along rigid reinforcing layer(17)Upper surface tunneling boring laying.
9. a kind of Large-span Steel Box Beam rigidity cooperative type composite deck pave-load layer construction method according to claim 1, its
It is characterised by the waterproof layer(20)Draining band is laid along road camber direction in upper surface(21), draining band(21)Steel is inserted in end
Box beam(1)The transverse drain in outside(22), transverse drain(22)With vertical drainage pipe(23)Communicate, vertical drainage pipe(23)
Top connects sluicing funnel(28).
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