CN104790287B - A kind of sharp radius curve firm structure system bridge - Google Patents
A kind of sharp radius curve firm structure system bridge Download PDFInfo
- Publication number
- CN104790287B CN104790287B CN201510231389.5A CN201510231389A CN104790287B CN 104790287 B CN104790287 B CN 104790287B CN 201510231389 A CN201510231389 A CN 201510231389A CN 104790287 B CN104790287 B CN 104790287B
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- Prior art keywords
- pier
- steel
- consolidation
- deck module
- girder
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 238000007596 consolidation process Methods 0.000 claims abstract description 36
- 239000004567 concrete Substances 0.000 claims abstract description 16
- 239000011384 asphalt concrete Substances 0.000 claims description 9
- 239000011210 fiber-reinforced concrete Substances 0.000 claims description 9
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000007704 transition Effects 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
- E01D1/00—Bridges in general
-
- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of sharp radius curve firm structure system bridge, including support component and a deck module, described deck module is installed on the top of a support component, described deck module is made up of steel box-girder, described support component includes the pier consolidation pier of more than and the non-consolidation pier of more than, described pier consolidation pier is concrete filled steel tube single-column pier, and described non-consolidation pier is provided with movable bearing support.The present invention has simple in construction, easy construction, can improve the advantages such as bridge structure reliability and security.
Description
Technical field
Present invention relates generally to bridge construction field, refer in particular to a kind of sharp radius curve firm structure system bridge.
Background technology
The city ramp curve less (radius of bridge radiusM), the generally much smaller than curve on highway or railway
Bridge radius (radiusM), Curved bridge with sharp radius is belonged to.The most built city ring road Curved bridge with sharp radius, mainly uses
Many Span Continuous or the structural shape of single span freely-supported curved box girder.Owing to the vehicle centrifugal action of sharp radius curve beam is with " curved-to turn round
Coupling " effect is notable so that Sharp-Radius Curved Bridges at run duration, box beam be easily generated bigger past outside lateral displacement and
Torsional deflection；Camber beam linear deformation will be caused because of temperature action again, integrate and result in curved box girder and planar produce
Raw swing offset, thus it is easily caused seat empty, expansion joint damage, pier shaft and box-beam structure cracking, even box beam under unbalance loading
The serious problems such as overall inclination.
For the problems referred to above, there is practitioner to propose some and improve technical schemes, including: (1) each at continuous curved girder
All arrange double support or multiple bearing on individual bridge pier and abutment, change traditional middle bridge pier and only arrange the design side of a bearing
Case, is beneficial to box beam antitorque, it is to avoid box beam inclination accident occurs；(2) one-way movable, bi-directional movable or anti-are in position arranged
Draw the bearing of the various multi-forms such as bearing (aseismatic bearing), with the vertical, horizontal displacement of restrictive curve box beam, and prevent bearing from taking off
Empty.
But, the problem existing for above-mentioned improvement technical scheme is: (1) substantially increases quantity and the kind of bridge pad
Class, typically need to use pot rubber bearing, involve great expense.(2) rubber support is the most aging, within general about 15 years, needs to change, bridge
Maintenance cost is big.(3) due to plane curve and the impact on the longitudinal and transverse slope of bridge floor, the bearing of vertical many quantity is installed, and its construction quality is not
Easily ensure.If bearing is the most accurately installed, be then difficult to ensure that the normal effect of bearing, thus influence whether the quality of bridge structure with
Safety.(4) along with the increase of bearing quantity, quantities and the cost of bridge substructure is correspondingly too increased.In sum,
Prior art does not have preferably technical scheme.
Summary of the invention
The technical problem to be solved in the present invention is that the technical problem existed for prior art, and the present invention provides one
Kind of simple in construction, easy construction, the sharp radius curve firm structure system bridge of bridge structure reliability and security can be improved.
For solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of sharp radius curve firm structure system bridge, including support component and a deck module, described deck module is installed on and props up
The top of support component, described deck module is made up of steel box-girder, and described support component includes the pier consolidation pier of more than
With the non-consolidation pier of more than, described pier consolidation pier is concrete filled steel tube single-column pier, on described non-consolidation pier all
It is provided with movable bearing support.
As a further improvement on the present invention: described pier consolidation pier is positioned at the medium position of deck module, described non-
Consolidation pier is positioned at the two ends of deck module.
As a further improvement on the present invention: described pier consolidation pier includes pier joist steel sleeve pipe, the end of described steel box-girder
Plate is provided with perforate, and the top of described pier joist steel sleeve pipe extend in perforate and welds with steel box-girder, in described pier joist steel sleeve pipe
It is provided with cast-in-situ steel reinforced concrete.
As a further improvement on the present invention: the bottom of described pier joist steel sleeve pipe is fixed on ground by bottom deck assembly.
As a further improvement on the present invention: the steel box-girder of described deck module be provided above steel fiber reinforced concrete layer and
Asphalt concrete layer is to form mixed layer bridge floor, and described steel fiber reinforced concrete layer is laid near steel box-girder.
As a further improvement on the present invention: arrange waterproof between described steel fiber reinforced concrete layer and asphalt concrete layer
Layer.
Compared with prior art, it is an advantage of the current invention that:
1, the sharp radius curve of the present invention firm structure system bridge, simple in construction, easy construction, due to the pier consolidation pier of consolidation
Platform, and then eliminate the bearing on pier, thus decrease the total quantity of full-bridge bearing, construction is easier to relatively, and construction quality
Easily controllable, save cost, remarkable in economical benefits.Meanwhile, because of pier consolidation, can thoroughly solve camber beam plane displacement mistake
Greatly, seat empty, expansion joint damage and box beam roll problem, improve reliability and the security of bridge structure.
2, the sharp radius curve of the present invention firm structure system bridge, owing to decreasing the quantity of full-bridge rubber support (the most aging),
The durability of bridge structure is improved；Decrease replacing time quantity the most accordingly, reduce bridge inspection and maintenance expense.
3, the sharp radius curve of the present invention firm structure system bridge, with the conventional successive inventory system by increasing bearing
Compare, there is economy, safe, the durable and advantage of easy construction, preferably solve Sharp-Radius Curved Bridges and box beam easily occurs
The problems such as plane internal shift, seat empty, expansion joint damage, structure crack and box beam entirety inclination, are a kind of scientific and reasonable, tools
There is the new architecture bridge of broad prospect of application.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the present invention.
Fig. 2 is present invention pier consolidation pier and catenation principle schematic diagram of deck module in concrete application example.
Fig. 3 is the present invention non-consolidation pier and catenation principle schematic diagram of deck module in concrete application example.
Fig. 4 is present invention pier consolidation pier and attachment structure schematic diagram of deck module in concrete application example.
Fig. 5 is the signals of the present invention partial structurtes that pier consolidation pier is connected with deck module in concrete application example
Figure.
Fig. 6 is present invention office time pier consolidation pier is connected with deck module in concrete application example bottom steel box-girder
Portion's structural representation.
Fig. 7 is present invention placement schematic diagram of non-consolidation pier upper bracket in concrete application example.
Marginal data:
1, pier consolidation pier；101, pier joist steel sleeve pipe；2, non-consolidation pier；3, steel box-girder；301, perforate；4, steel fibre
Concrete layer；5, asphalt concrete layer；6, waterproof layer；7, movable bearing support.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
As shown in Figure 1, Figure 2 and Figure 3, the sharp radius curve firm structure system bridge of the present invention, including support component and a bridge floor group
Part, deck module is installed on the top of a support component.This deck module is made up of steel box-girder 3, and a support component includes more than one
Pier consolidation pier 1 and the non-consolidation pier 2 of more than, wherein pier consolidation pier 1 uses concrete filled steel tube single-column pier,
Non-consolidation pier 2 all uses movable bearing support 7, to meet the linear deformation requirement that steel box-girder 3 causes because of temperature change.Wherein, steel
Pipe concrete is a kind of combining structure, ratio steel construction economy；Relative to the pier of armored concrete, concrete filled steel tube single-column pier subtracts
Little sectional dimension and rigidity, improve the flexibility of pier, to adapt to superstructure curved box girder and bridge floor because of temperature change, material
The vertical, horizontal that causes of shrinkage and creep of material and rotational deformation.Meanwhile, can guarantee that again structural strength and stable safety.
When specifically applying, pier consolidation pier 1 is normally at the medium position of deck module, non-solid as transition pier
Knot pier 2 is then positioned at the two ends of deck module.
As shown in Figure 4, Figure 5 and Figure 6, pier consolidation pier 1 includes pier joist steel sleeve pipe 101, and the base plate of steel box-girder 3 is provided with
Perforate 301, in the top of pier joist steel sleeve pipe 101 extend into perforate 301 and welds with steel box-girder 3, arranges in pier joist steel sleeve pipe 101
There is cast-in-situ steel reinforced concrete.The bottom of pier joist steel sleeve pipe 101 is fixed on ground by bottom deck assembly.
In the present embodiment, the steel box-girder 3 of deck module is provided above steel fiber reinforced concrete layer 4 and asphalt concrete layer 5
To form mixed layer bridge floor, steel fiber reinforced concrete layer 4 is laid near steel box-girder 3.That is, when specifically applying, first at steel box-girder 3
End face first spreads the C50 steel fibre expansive concrete of certain thick (such as: 12cm) as steel fiber reinforced concrete layer 4, then spreads one
Determine the thick asphalt concrete pavement of thickness (such as: 10cm) to form asphalt concrete layer 5.Just can be subtracted by above-mentioned mixed layer bridge floor
Little steel box-girder 3 sunshine Vertical Temperature Gradient with structure temperature stress, and increase the entirety of bridge floor local stiffness and steel box-girder 3
Rigidity, is beneficial to solve bridge deck structure fatigue problem, improves safety of structure and durability.
In the present embodiment, waterproof layer can also be set between steel fiber reinforced concrete layer 4 and asphalt concrete layer 5 further
6。
In the present embodiment, as it is shown in fig. 7, dashed centre line is the center line of steel box-girder 3 in figure, center line both sides arrow is face
To pile No. direction of advance, each movable bearing support 7 is respectively provided with the movable bearing support on non-consolidation pier 2 the most longitudinally and/or laterally
7。
Below being only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, should be regarded as the protection of the present invention
Scope.
Claims (4)
1. a sharp radius curve firm structure system bridge, including support component and a deck module, described deck module is installed on support
The top of assembly, described deck module is made up of steel box-girder (3), it is characterised in that described support component includes more than one
Pier consolidation pier (1) and the non-consolidation pier (2) of more than, described pier consolidation pier (1) is concrete filled steel tube single-column
Pier, described non-consolidation pier (2) is provided with movable bearing support (7)；Described pier consolidation pier (1) includes pier joist steel sleeve pipe
(101), the base plate of described steel box-girder (3) is provided with perforate (301), and the top of described pier joist steel sleeve pipe (101) extend into perforate
(301) in and weld with steel box-girder (3), in described pier joist steel sleeve pipe (101), be provided with cast-in-situ steel reinforced concrete；Described pier joist steel
The bottom of sleeve pipe (101) is fixed on ground by bottom deck assembly.
Sharp radius curve the most according to claim 1 firm structure system bridge, it is characterised in that described pier consolidation pier (1)
Being positioned at the medium position of deck module, described non-consolidation pier (2) is positioned at the two ends of deck module.
Sharp radius curve the most according to claim 1 and 2 firm structure system bridge, it is characterised in that the steel of described deck module
Box beam (3) is provided above steel fiber reinforced concrete layer (4) and asphalt concrete layer (5) to form mixed layer bridge floor, and described steel is fine
Dimension concrete layer (4) is laid near steel box-girder (3).
Sharp radius curve the most according to claim 3 firm structure system bridge, it is characterised in that described steel fiber reinforced concrete layer
And waterproof layer (6) is set between asphalt concrete layer (5) (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231389.5A CN104790287B (en) | 2015-05-08 | 2015-05-08 | A kind of sharp radius curve firm structure system bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231389.5A CN104790287B (en) | 2015-05-08 | 2015-05-08 | A kind of sharp radius curve firm structure system bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104790287A CN104790287A (en) | 2015-07-22 |
| CN104790287B true CN104790287B (en) | 2016-08-31 |
Family
ID=53555447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510231389.5A Expired - Fee Related CN104790287B (en) | 2015-05-08 | 2015-05-08 | A kind of sharp radius curve firm structure system bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104790287B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004156292A (en) * | 2002-11-06 | 2004-06-03 | Nippon Steel Corp | Three dimensional rigid frame structure |
| CN201155080Y (en) * | 2008-02-14 | 2008-11-26 | 黄诚 | Large-span V-shaped continuous rigid frame bridge |
| CN202595613U (en) * | 2012-04-13 | 2012-12-12 | 长沙理工大学 | Structure of small and medium prestressed concrete bridges with short piers |
| CN103061271A (en) * | 2012-12-25 | 2013-04-24 | 中铁大桥勘测设计院集团有限公司 | Single plate force-bearing reinforcing method of hollow slab bridge |
| CN203559330U (en) * | 2013-11-04 | 2014-04-23 | 中铁第一勘察设计院集团有限公司 | Railway space deformed rigid framework continuous beam |
| CN103898829A (en) * | 2012-12-26 | 2014-07-02 | 中铁第四勘察设计院集团有限公司 | Continuous platform bridge of T structure with cantilever |
| CN203795291U (en) * | 2014-03-27 | 2014-08-27 | 广州瀚阳工程咨询有限公司 | Bearing-free prestressed concrete continuous rigid frame bridge with single-wall piers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2427152A1 (en) * | 2003-04-29 | 2004-10-29 | Mamdouh M. El-Badry | Corrosion-free bridge system |
-
2015
- 2015-05-08 CN CN201510231389.5A patent/CN104790287B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004156292A (en) * | 2002-11-06 | 2004-06-03 | Nippon Steel Corp | Three dimensional rigid frame structure |
| CN201155080Y (en) * | 2008-02-14 | 2008-11-26 | 黄诚 | Large-span V-shaped continuous rigid frame bridge |
| CN202595613U (en) * | 2012-04-13 | 2012-12-12 | 长沙理工大学 | Structure of small and medium prestressed concrete bridges with short piers |
| CN103061271A (en) * | 2012-12-25 | 2013-04-24 | 中铁大桥勘测设计院集团有限公司 | Single plate force-bearing reinforcing method of hollow slab bridge |
| CN103898829A (en) * | 2012-12-26 | 2014-07-02 | 中铁第四勘察设计院集团有限公司 | Continuous platform bridge of T structure with cantilever |
| CN203559330U (en) * | 2013-11-04 | 2014-04-23 | 中铁第一勘察设计院集团有限公司 | Railway space deformed rigid framework continuous beam |
| CN203795291U (en) * | 2014-03-27 | 2014-08-27 | 广州瀚阳工程咨询有限公司 | Bearing-free prestressed concrete continuous rigid frame bridge with single-wall piers |
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| Publication number | Publication date |
|---|---|
| CN104790287A (en) | 2015-07-22 |
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Granted publication date: 20160831 |