CN108457182A - A kind of cross bridge floor board and its construction technology - Google Patents
A kind of cross bridge floor board and its construction technology Download PDFInfo
- Publication number
- CN108457182A CN108457182A CN201810480375.0A CN201810480375A CN108457182A CN 108457182 A CN108457182 A CN 108457182A CN 201810480375 A CN201810480375 A CN 201810480375A CN 108457182 A CN108457182 A CN 108457182A
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- corrugated
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- sheet paneling
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- bridge floor
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 239000004567 concrete Substances 0.000 claims abstract description 40
- 239000010426 asphalt Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 230000011218 segmentation Effects 0.000 claims description 6
- 230000032258 transport Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000009408 flooring Methods 0.000 abstract description 17
- 238000005452 bending Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 3
- 229910000679 solder Inorganic materials 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 34
- 239000011295 pitch Substances 0.000 description 5
- 230000032798 delamination Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of cross bridge floor board and its construction technology,It is related to bridge structure technical field,Its structure includes the corrugated net stacked gradually from top to bottom,Upper corrugated-sheet paneling,Ripple longeron plate,The ripple direction of corrugated net and the ripple direction of upper corrugated-sheet paneling are orthogonal,The ripple direction of corrugated net and the ripple direction of ripple longeron plate are mutually parallel,The upper surface of upper corrugated-sheet paneling is covered with concrete layer and/or bitumen layer,The concave surface of concrete layer and/or the upper corrugated-sheet paneling of bitumen layer filling,And higher than 10 70mm of upper surface of upper corrugated-sheet paneling,And corrugated net is completely covered,The present invention can greatly reduce welding job amount,Improve the lateral bending stiffness of floorings,Reduce the possibility of floorings longitudinal cracking,The shear resistance of pave-load layer and floorings linkage interface can also be improved simultaneously,And fundamentally solve solder joint fatigue crack problem.
Description
Technical field
The present invention relates to bridge structure technical fields, more particularly to a kind of cross bridge floor board and its construction technology.
Background technology
Traditional structure is largely that clean steel tendon concrete structure or flat steel concrete composite structure, the durability of bridge deck are straight
The service life for being related to bridge is connect, clean steel tendon concrete structure bridge deck is not only thick and heavy, and the transmission force property of bridge floor is poor, and concrete is broken
Bits fall vehicle also to downlink, humanoid at security risk.
Currently, highway large-span suspension bridge and cable-stayed bridge, which are substantially all, can use orthotropic rectangular plates structure, i.e., in Steel Bridge Deck
Plate is put more energy into below by longitudinal U-shaped rib, cross rib and diaphragm plate to improve its rigidity.Orthotropic Steel Bridge Deck has quality
Gently, the advantages that transport is with convenience, short construction period, large carrying capacity is set up has wide in Large Span Bridges and Urban Bridge
General application.But the construction of clean steel bridge floor is complicated, weld seam quantity is more, and welding difficulty is big, in factory's manufacture, Assembling essence
Degree and welding quality require all very high.And Orthotropic Steel Bridge Deck local deformation amount under Concentrated load is larger, U
The web of shape rib supports floorings, and floorings are actually the beam of a branched support, the weld seam of web and floorings about
At beam fatigue crack is also easy to produce by rolling repeatedly for wheel.
The followed by adhesion problem of steel bridge deck and pave-load layer.The floorings of general steel plate and Combined concrete, due to steel
Plate surface is smooth, and the bending stiffness very little of steel plate, poor with the bonding and integral working of Combined concrete.In horizontal force
Under the action of, such as brake suddenly, bigger shearing will be will produce between steel bridge deck and asphalt concrete pavement layer, to
Generate the delamination problems of steel bridge deck and pave-load layer.
The presence of the above problem of bridge floor need to research and develop the existing good stress performance of one kind and bending resistance, but also with good
The bridge deck structure system of binding ability and good manufacturing process.
Invention content
It is an object of the invention to avoid shortcoming in the prior art and Welder can be greatly reduced by providing one kind
It measures, improves the lateral bending stiffness of floorings, reduce the possibility of floorings longitudinal cracking, while pave-load layer can also be improved
With the shear resistance of floorings linkage interface, and fundamentally solve solder joint fatigue crack problem steel box-girder orthotropic plate
Panel and its construction technology.
The purpose of the present invention is achieved through the following technical solutions：
A kind of cross bridge floor board is provided, which includes the corrugated net stacked gradually from top to bottom, upper ripple
Panel, ripple longeron plate, it is characterised in that：The ripple direction of corrugated net and the ripple direction of upper corrugated-sheet paneling are orthogonal,
The ripple direction of corrugated net and the ripple direction of ripple longeron plate are mutually parallel, the upper corrugated-sheet paneling and ripple longeron plate it
Between be attached using fixation kit, the upper corrugated-sheet paneling and corrugated net are fixed together, the upper corrugated-sheet paneling it is upper
Surface is covered with concrete layer and/or bitumen layer, and the concrete layer and/or bitumen layer fill the recessed of the upper corrugated-sheet paneling
Face, and higher than the upper surface 10-70mm of upper corrugated-sheet paneling, and corrugated net is completely covered, the wave of the ripple longeron plate
The vertical section of peak and trough is trapezoidal.
Wherein, the wave height of the corrugated net is 10-70mm.
Wherein, the thickness of the upper corrugated-sheet paneling is 5-10mm, and wave height is 20-150mm.
Wherein, the thickness of the upper corrugated-sheet paneling is 6-8mm, wave height 40-80mm.
Wherein, the upper surface of the upper corrugated-sheet paneling is covered with concrete layer or bitumen layer.
Wherein, the upper surface of the upper corrugated-sheet paneling can also use and cover one layer of bitumen layer on concrete layer upper surface
Structure.At this point, after the completion of working as concrete layer, the upper surface of concrete layer is higher than the convex surface 10-50mm of upper corrugated-sheet paneling, and will
The bottom of corrugated net is fixed in concrete layer, but the upper surface of corrugated net is higher than the upper surface 10- of concrete layer
30mm, and then corrugated net is completely covered for bitumen layer.
Wherein, one layer of buffer layer can be set between the upper corrugated-sheet paneling and ripple longeron plate.
Wherein, the buffer layer is offset plate or bitumen layer.
Wherein, the fixation kit includes bolt, is carried out by bolt between the upper corrugated-sheet paneling and ripple longeron plate
Connection.
Wherein, the nut of the bolt is equipped with hook or lifting lug), the hook or lifting lug (71) are set on described
On the nut of screw, the corrugated net passes through steel wire bundle to hook or lifting lug.
A kind of construction technology of cross bridge floor board, includes the following steps：
Step A, ripple longeron plate is made in factory, is assembled；
Step B, assembled good ripple longeron plate and transverse bar, girder, web etc. are welded into the structure of segmentation steel box-girder, are spelling
The upper top surface corresponding position kind for filling ripple longeron plate welds bolt；
Step C, respectively segmentation steel box-girder transports to construction site, then carries out segmental hoisting splicing, forms complete steel box-girder
Bridge superstructure；
Step D, it is laid with buffer layer in the convex top surface of ripple longeron plate, such as pitch or offset plate；
Step E, upper corrugated-sheet paneling is fixed to bolt in scene；
Step F, it is laid with waterproof layer；
Step G, with steel wire, by corrugated net, either casting concrete or pitch is fixed in lifting lug with hook, also may be used
First casting concrete re-lays pitch；
In step G, when casting concrete, vibratory compaction first is carried out to concrete, upper surface will be less than corrugated net
10-30mm at the top of convex surface.
Beneficial effects of the present invention：
A kind of cross bridge floor board of the present invention, it is vertical including corrugated net, upper corrugated-sheet paneling, ripple successively from top to bottom
Beam slab, the ripple direction of adjacent two boards is mutually perpendicular between corrugated net, upper corrugated-sheet paneling and ripple longeron plate three, can
To greatly reduce welding job amount, the lateral bending stiffness of floorings is improved, reduces the possibility of floorings longitudinal cracking, simultaneously
The shear resistance of pave-load layer and floorings linkage interface can also be improved, and fundamentally solves solder joint fatigue crack problem.
The present invention is combined using corrugated-sheet paneling and corrugated net, can not only play the work of firm concrete and/or pitch
With moreover, because it uses corrugated shape, the bending resistance of itself is also higher than general steel plate, reinforcing bar, can be by vehicle wheel
It carries active force further to disperse, avoids load concentration from acting on bridge surface armor plate and cause its deformation and destroy.
Corrugated net, upper corrugated-sheet paneling and the ripple longeron plate of the present invention greatly improves list by the use of ripple struction
The rigidity and moment of flexure of layer structure.
A kind of construction technology of cross bridge floor board of the present invention is simple easily to realize.
Description of the drawings
Invention is described further using attached drawing, but the embodiment in attached drawing does not constitute any limitation of the invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to the following drawings
Its attached drawing.
Fig. 1 is the structural schematic diagram that the embodiment of the present invention conceals pitch and concrete layer.
Fig. 2 is the leftschematic diagram of Fig. 1.
Fig. 3 is the local I of Fig. 1 to enlarged drawing.
Fig. 4 is the structural schematic diagram of the embodiment of the present invention.
Reference numeral includes：
Corrugated net 1, upper corrugated-sheet paneling 2, ripple longeron plate 3, concrete layer 4, bitumen layer 5, buffer layer 6, fixation kit
7, hook or lifting lug 71.
Specific implementation mode
The invention will be further described with the following Examples.
A kind of cross bridge floor board of the present embodiment, as shown in Figures 1 to 4, mainly by corrugated net 1, upper ripple
3 three layers of panel 2, ripple longeron plate corrugated steel construction are mutually perpendicular to install, corrugated net 1, upper corrugated-sheet paneling 2, ripple
Longeron plate 3 is set gradually from top to down, the purpose is to the use by ripple struction, greatly improve the rigidity of single layer structure with it is curved
Square.For traditional bridge surface armor plate, in order to ensure rigidity of the steel plate in U-shaped muscle, usual thickness needs to reach 12mm
More than, some even arrive 40mm.And the thickness of upper corrugated-sheet paneling 2 used by the present embodiment only needs 7mm, and its structure provides
It is a kind of using upper corrugated-sheet paneling both as bridge floor steel concrete combined structural member, but also as bridge deck concrete template, while upper ripple
The trough of line panel forms a plurality of girt strip, has good rigidity and bending resistance.
The cross bridge floor board of the present embodiment is：The one side and concrete of upper corrugated-sheet paneling (i.e. above corrugated-sheet paneling 2) connect
It connects, and in addition one side is then that the ripple longeron plate 3 vertical with its ripple direction is connect.It is such to be advantageous in that：It both can be by upper
The muscle beam of corrugated-sheet paneling 2 improves the bending resistance of bridge panel, so that the steel plate lateral stress at the top of at ribbed stiffener is tended to be uniform, together
When bridge surface armor plate local buckling deformation be greatly reduced.Moreover, because the wave height of the upper corrugated-sheet paneling 2 of the present embodiment is little, wave
A height of 60mm, measuring to decline to a great extent for the concrete of receiving, is ensureing that rigidity, intensity, bending resistance and bridge floor driving are easypro
Under the premise of adaptive, the overall weight of floorings is effectively reduced.
Wherein, the wave height of the corrugated net is 30mm, can also be set between 20-40mm wave height according to the load-carrying of bridge
Meter.
As a preferred embodiment, in cross bridge floor board of the invention, between upper corrugated-sheet paneling 2, ripple longeron plate 3
Butt-joint connection can be used, avoiding problems the welding of a large amount of long straight welds between the U-shaped longeron of traditional floorings and bottom, thus
The welding stress at bridge surface armor plate and ribbed stiffener and deformation are eliminated, the service life of floorings is conducive to extend.In addition, its
Hoisting weight when installation can be greatly decreased.
Fixation kit 7 includes bolt, and the nut of bolt is equipped with hook (or lifting lug) 71.
It is connected by screw bolts between upper corrugated-sheet paneling 2 and ripple longeron plate 3, hook (or lifting lug) 71 can be used to tie up
Corrugated net 1, the present embodiment utilize 1 supreme corrugated-sheet paneling 2 of fixation with steel wire corrugated net, steel wire that can play reinforcement in concrete
Effect, it can also enough playing the shear resistance for improving concrete and bridge floor and can be with the deck pavings such as subsequent pitch
Layer forms good binding force, and bridge deck is made to have obtained preferable solution in conjunction with bad phenomenon, meanwhile, corrugated net 1 makes
With also greatly reducing workload of the worker in bridge construction scene binding reinforcing bars.
As another scheme, offset plate or pitch can be added between the two in upper corrugated-sheet paneling 2 and ripple longeron plate 3
One buffer layer 6 of setting such as layer, can play damping and noise reduction purpose.
The upper corrugated-sheet paneling 2 of the present embodiment is not only used as bridge floor steel concrete combined structural member, but also as bridge deck concrete template, and
The steel wire of the bolt of corrugated-sheet paneling 2 and fixed corrugated net 1 also just plays fixing concrete and upper corrugated surface in fixation
The effect of plate 2 improves the shear strength between concrete and upper corrugated-sheet paneling 2, and corrugated surface 2 and pave-load layer can be greatly reduced
Delamination problems.The trough of upper corrugated-sheet paneling 2 forms a plurality of girt strip simultaneously, has good bending resistance, especially in upper ripple
It is configured with corrugated net 1 on line panel 2, has both solved bridge floor and has combined bad phenomenon, also further improved the rigid of bridge floor
Degree, meanwhile, the thickness of floorings can also be thinned significantly, cost is not only reduced, but also the overall weight of bridge floor can be alleviated, for steel
The popularization and application of bridge processed have the function of very positive.
A kind of construction technology of cross bridge floor board of the present embodiment, includes the following steps：
Step A, ripple longeron plate 3 is made in factory, is assembled；
Step B, assembled good ripple longeron plate 3 and transverse bar, girder, web etc. are welded into the structure of segmentation steel box-girder,
The upper top surface corresponding position kind of assembled ripple longeron plate 3 welds bolt；
Step C, respectively segmentation steel box-girder transports to construction site, then carries out segmental hoisting splicing, forms complete steel box-girder
Bridge superstructure；
Step D, it is laid with buffer layer in the convex top surface of ripple longeron plate 3, such as pitch or offset plate；
Step E, corrugated-sheet paneling 2 and fix that (such as floorings and longeron plate are using bolt company with fixation kit 7 on in-site installation
Meeting when side has this step.)；
Step F, it is laid with waterproof layer；
Step G, casting concrete or pitch is fixed in corrugated net 1 and hook (either lifting lug) 71 with steel wire；
Step H, for then needing first casting concrete to re-lay bitumen layer with pitch mixed structure bridge floor using concrete；
In step G, when casting concrete, first carrying out vibration to concrete keeps its closely knit, and upper surface will be less than ripple net
10-30mm at the top of the convex surface of plate 1, this, which allows for 1 convex surface of corrugated net, to be spread with bridge floors such as subsequent concrete or pitches
Dress layer forms good binding force, so as to preferably solve bridge floor delamination problems.
The construction technology of the cross bridge floor board of the present embodiment is simple easily to realize.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of cross bridge floor board, which includes corrugated net (1), the upper corrugated-sheet paneling stacked gradually from top to bottom
(2), ripple longeron plate (3), it is characterised in that：The ripple direction of corrugated net (1) and the ripple direction of upper corrugated-sheet paneling (2) are mutual
Perpendicular, the ripple direction of corrugated net (1) and the ripple direction of ripple longeron plate (3) are mutually parallel, the upper corrugated-sheet paneling
(2) it is attached using fixation kit (7) between ripple longeron plate (3), the upper corrugated-sheet paneling (2) and corrugated net (1)
It is fixed together, the upper surface of the upper corrugated-sheet paneling (2) is covered with concrete layer (4) and/or bitumen layer, the concrete layer
And/or bitumen layer fills the concave surface of the upper corrugated-sheet paneling (2), and it is higher than the upper surface 10-70mm of upper corrugated-sheet paneling (2),
And corrugated net (1) is completely covered.
2. cross bridge floor board according to claim 1, which is characterized in that the wave height of the corrugated net (1) is 10-
70mm。
3. cross bridge floor board according to claim 1, which is characterized in that the thickness of the upper corrugated-sheet paneling (2) is
5-10mm, wave height 20-150mm.
4. cross bridge floor board according to claim 3, which is characterized in that the thickness of the upper corrugated-sheet paneling (2) is
6-8mm, wave height 40-80mm.
5. cross bridge floor board according to claim 1, which is characterized in that the upper surface of the upper corrugated-sheet paneling (2)
It is covered with concrete layer (4) or bitumen layer.
6. cross bridge floor board according to claim 1, which is characterized in that the upper surface of the upper corrugated-sheet paneling (2)
It is covered with concrete layer (4), bitumen layer (5) is covered on the upper surface of concrete layer (4).
7. cross bridge floor board according to claim 1, which is characterized in that the upper corrugated-sheet paneling (2) is vertical with ripple
One layer of buffer layer (6) is set between beam slab (3).
8. cross bridge floor board according to claim 7, which is characterized in that the buffer layer (6) is offset plate or pitch
Layer.
9. cross bridge floor board according to claim 1, which is characterized in that the fixation kit (7) includes bolt, hangs
Hook or lifting lug (71), the hook or lifting lug (71) are set on the nut of the screw.
10. claim 5 or a kind of construction technology of cross bridge floor board of 6 any one of them, include the following steps：
Step A, ripple longeron plate (3) is made in factory, is assembled；
Step B, assembled good ripple longeron plate (3) is welded into the structure of segmentation steel box-girder with transverse bar, girder, web, in assembly
The upper top surface corresponding position kind of ripple longeron plate (3) welds bolt；
Step C, respectively segmentation steel box-girder transports to construction site, then carries out segmental hoisting splicing, is formed on complete steel box girder bridge
Portion's structure；
Step D, on in-site installation corrugated-sheet paneling (2) to ripple longeron plate (3)；
Step E, casting concrete and/or pitch are covered to the upper surface of upper corrugated-sheet paneling (2) to by corrugated net (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480375.0A CN108457182B (en) | 2018-05-18 | 2018-05-18 | Orthotropic bridge deck and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480375.0A CN108457182B (en) | 2018-05-18 | 2018-05-18 | Orthotropic bridge deck and construction process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457182A true CN108457182A (en) | 2018-08-28 |
| CN108457182B CN108457182B (en) | 2024-04-30 |
Family
ID=63215810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810480375.0A Active CN108457182B (en) | 2018-05-18 | 2018-05-18 | Orthotropic bridge deck and construction process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108457182B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424241A (en) * | 2019-03-04 | 2019-11-08 | 郝苏 | One kind is used for the rectangle corrugated plating based structures composite material of bridge and other large scale structure loading ends |
| CN111663441A (en) * | 2019-03-06 | 2020-09-15 | 郝苏 | Wave-mode plate base structure composite material for bearing surface of bridge and other large-scale structures |
| CN112746554A (en) * | 2021-02-08 | 2021-05-04 | 清华大学 | Combined capping beam and bridge with same |
| CN113215982A (en) * | 2021-05-11 | 2021-08-06 | 中交第三公路工程局有限公司 | Panel structure of UHPC (ultra high performance polycarbonate) combined bridge and combination method |
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| CN112746554A (en) * | 2021-02-08 | 2021-05-04 | 清华大学 | Combined capping beam and bridge with same |
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