CN106065564A - A kind of seamless bridge of steel-concrete combined structure monoblock type - Google Patents
A kind of seamless bridge of steel-concrete combined structure monoblock type Download PDFInfo
- Publication number
- CN106065564A CN106065564A CN201610398427.0A CN201610398427A CN106065564A CN 106065564 A CN106065564 A CN 106065564A CN 201610398427 A CN201610398427 A CN 201610398427A CN 106065564 A CN106065564 A CN 106065564A
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- steel
- foundation pile
- bridge
- abutment
- monoblock type
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Classifications
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- 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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/02—Bridges characterised by the cross-section of their bearing spanning structure of the I-girder type
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of seamless bridge of steel-concrete combined structure monoblock type, including some to packing layer, foundation pile, two abutments and some first connectors after foundation pile and the bridge span structure steel girder corresponding with each pair of foundation pile, concrete slab, road pavement, platform.Simple structure of the present invention, stress performance are good, bearing capacity and good seismic performance, and short construction period has preferable durability, and cancels retractor device.
Description
Technical field
The invention belongs to bridge construction technical field, relate to a kind of seamless bridge of steel-concrete combined structure monoblock type.
Background technology
In modern roadways engineering, armored concrete/Prestressed Concrete Bridges occupies with its durability and economic advantages
More than the 90% of modern bridge sum.But, in order to meet bridge structure deformation needs under various effects and ensure vehicle
Smoothly through bridge floor, generally between two beam-ends, retractor device is set between beam-ends and abutment.But, the flexible dress of bridge
Put and be chronically exposed in air, use environment relatively severe, be that bridge structure most subjects to destroy and be difficult to the portion repaired
Position.And the destruction of bridge extension joint, the biggest vehicular impact load may be caused again, deteriorate driving conditions, drastically reduce bridge
The service life of beam and its durability.
Along with proposition and the enforcement of life cycle management Bridge Design concept, Bridge Design not only considers its current usability
The expenses such as energy, also to reduce its maintenance within the cycle in service life, maintenance, have considerable part to concentrate on expansion joint dimension among these
Repair and the economic loss directly or indirectly brought in maintenance process.In order to avoid too high maintenance cost, for amount
The most wide Short/Medium Span Bridge, jointless seam bridge provides a solution.
The steel-concrete combined structure that the most gradually should use can take full advantage of steel and coagulation
The respective material property of soil, has that bearing capacity is high, rigidity big, an anti-seismic performance and power performance is good, sectional dimension of members is little, execute
The advantages such as work is quick and convenient.Compared with reinforced concrete structure, combinative structure can reduce sectional dimension of members, alleviate structure certainly
Weight, reduce foundation cost, convenient install, shorten construction period, increase component and the ductility etc. of structure.Employing combinative structure is permissible
Save scaffold and template, it is simple to crossings on different level is constructed, reduce situ wet workload, alleviate construction and disturb residents degree, therefore, comprehensively
The advantage of above-mentioned steel-concrete combined structure and the solution of existed concrete bridge bridge durability problem, need a kind of towards Middle Or Small Span
The new bridge system of footpath bridge.
Its simple structure, stress performance are good, inherit conventional combination structural-load-carrying capacity height, anti-seismic performance and dynamic property
Good, the advantage quickly and easily of constructing of energy, eliminates the retractor device of tradition bridge, it is adaptable to the Mid and minor spans having a large capacity and a wide range simultaneously
Bridge, it is possible to significantly reduce bridge fund input in its life cycle management.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that a kind of steel-concrete combined structure monoblock type without
Seam bridge, bridge simple structure that this is seamless, stress performance are good, bearing capacity and good seismic performance, short construction period, have preferably
Durability, and cancel retractor device.
For reaching above-mentioned purpose, the seamless bridge of steel-concrete combined structure monoblock type of the present invention include some to foundation pile,
And packing layer, basis after the bridge span structure steel girder corresponding with each pair of foundation pile, concrete slab, road pavement, platform
Stake, two abutments and some first connectors；
Each pair of foundation pile standing rack is located at construction location, and abutment is fixed on foundation pile by pile cover, bridge span structure steel master
One end of beam is fixed on the abutment on a foundation pile, and the other end of bridge span structure steel girder is fixed on another foundation pile
Abutment on, concrete slab is layed in the upper surface of bridge span structure steel girder, and the two ends of concrete slab all extend
To the outside of abutment, the two ends of concrete slab are equipped with attachment strap, and the end of road pavement is positioned on attachment strap and and concrete
Floorings connect, and the upper surface of concrete slab is provided with deck paving, and one end of the first connector pours the coagulation in abutment
In soil, the other end of the first connector is welded on the end of bridge span structure steel girder, and the lower end of attachment strap is wrapped in packing layer after platform
In, the lower surface of attachment strap is provided with the first elastic layer between packing layer after being provided with sliding layer, abutment and platform.
The cross section of bridge span structure steel girder is I-shaped structure.
Described first connector is peg or open pore steel plate connector.
Foundation pile is H profile steel stake, and the outer wall of foundation pile is socketed with protective layer, be provided with between protective layer and foundation pile by
The second elastic layer that fine sand is filled.
Be provided with the second connector between foundation pile and pile cover, the two ends of the second connector are the most embedded be fixed on foundation pile and
In pile cover.
Being provided with reinforcing bar between pile cover and abutment, the two ends of reinforcing bar are the most embedded to be fixed in pile cover and abutment.
Bearing it is provided with and for carrying out waterproof waterproof layer between attachment strap and the aileron of abutment.
The end of attachment strap is provided with cushion, and the lower section of attachment strap is provided with sleeper beam and sliding layer.
Drainage system it is provided with in packing layer after platform.
The method have the advantages that
The seamless bridge of steel-concrete combined structure monoblock type of the present invention includes abutment, bridge span structure steel girder and some connections
Part, wherein one end of the first connector pours in abutment concrete, and the other end of connector is welded in bridge span structure steel girder
End, concrete slab is layed in the upper surface of bridge span structure steel girder, the seamless link between each parts.Coagulation simultaneously
The two ends of dirt road panel are provided with attachment strap, and the lower end of attachment strap is wrapped in after platform in packing layer, and the bottom of attachment strap is provided with sliding layer, abutment
And it is provided with the first elastic layer after platform between packing layer, by packing layer, sliding layer and the heat of the first elastic layer buffering pontic after platform
Swollen shrinkage, thus cancel retractor device, integrated combination structure of the present invention and the advantage of seamless bridge, improve the anti-seismic performance of bridge
And service life, endurance issues at the most effective solution existing concrete bridge retractor device, stress performance is good and carries
Ability is preferable, and short construction period, builds, runs and maintenance cost is relatively low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of foundation pile 4 in the present invention；
Fig. 3 is the structural representation of foundation pile 4 in the present invention；
Fig. 4 is a kind of structural representation of the present invention；
Fig. 5 is the alternative structural representation of the present invention.
Wherein, 1 it is bridge span structure steel girder, 2 is concrete slab, 3 is abutment, stake based on 4,5 is second elastic
Layer, 6 be protective layer, 7 be pile cover, 8 be attachment strap, 9 be packing layer after platform, 10 be road pavement, 11 be bearing, 12 be waterproof layer,
13 be sliding layer, 14 for cushion, 15 for sleeper beam, 16 for pumping equipment, 17 for deck paving, 18 for peg, 19 for perforate connect
Fitting.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the seamless bridge of steel-concrete combined structure monoblock type of the present invention includes some
To foundation pile 4 and the bridge span structure steel girder 1 corresponding with each pair of foundation pile 4, concrete slab 2, road pavement 10,
Packing layer 9,4, two abutments 3 of foundation pile and some first connectors after platform；Each pair of foundation pile 4 standing rack is located at construction position
Putting, abutment 3 is fixed on foundation pile 4 by pile cover 7, and the bridge on a foundation pile 4 is fixed in one end of bridge span structure steel girder 1
On platform 3, the other end of bridge span structure steel girder 1 is fixed on the abutment 3 on another foundation pile 4, and concrete slab 2 is laid
In the upper surface of bridge span structure steel girder 1, and the two ends of concrete slab 2 each extend to the outside of abutment 3, concrete bridge deck
The two ends of plate 2 are equipped with attachment strap 8, and the end of road pavement 10 is positioned on attachment strap 8, and road pavement 10 is connected with attachment strap 8, concrete
The upper surface of floorings 2 is provided with deck paving 17, and one end of the first connector pours in the concrete of abutment 3, and first connects
The other end of part is welded in bridge span structure steel girder 1 end, and the lower end of attachment strap 8 is wrapped in after platform in packing layer 9, attachment strap 8 times
Surface is provided with sliding layer 13, is provided with the first elastic layer after abutment 3 and platform between packing layer 9.
The cross section of bridge span structure steel girder 1 of the present invention is I-shaped structure；First connector be peg 18 or
Perforate connector 19；Foundation pile 4 is H profile steel stake, and the outer wall of foundation pile 4 is socketed with protective layer 6, protective layer 6 and foundation pile 4 it
Between be provided with by fine sand fill the second elastic layer 5；Being provided with the second connector between foundation pile 4 and pile cover 7, second connects
The two ends of part are the most embedded to be fixed in foundation pile 4 and pile cover 7；Being provided with reinforcing bar between pile cover 7 and abutment 3, the two ends of reinforcing bar are divided
The most embedded be fixed on pile cover 7 with in abutment 3；Attachment strap 8 and the position of abutment 3 aileron are provided with bearing 11 and waterproof for carrying out
Waterproof layer 12；The end of attachment strap 8 is provided with cushion 14, and the bottom part down of cushion 14 is provided with sleeper beam 15；Set in packing layer 9 after platform
There is drainage system 16.
The work progress of the present invention is:
Completing the prefabricated of bridge span structure steel girder 1 and concrete slab 2 in the factory, the end of steel girder 1 is welded
Perforate connector 19 or peg 18, select the sectional dimension of foundation pile, carry out foundation pile 4, protective layer 6 and the second elastic layer 5
Construction, then the reinforcing bar in colligation pile cover 7, and give cast concrete in pile cover 7 and part abutment 3；Construct again the second elastic layer 5,
Packing layer 9, pumping equipment 16, sliding layer 13, cushion 14 and sleeper beam 15 after platform；Then by prefabricated bridge span structure steel girder
1 allocates and transports to job site, and completes the lifting of bridge span structure steel girder 1, utilizes the first connector by steel girder 1 with abutment 3 even
It is connected into entirety, carries out concrete slab 2 and the construction of attachment strap 8 the most again；Finally carry out deck paving 17 and road pavement 10
Construction.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention
Any simple modification, change and the equivalent structure change that above example is made by technical spirit, all still falls within skill of the present invention
In the protection domain of art scheme.
Claims (9)
1. the seamless bridge of steel-concrete combined structure monoblock type, it is characterised in that include some to foundation pile (4) and right with each
Packing layer after corresponding bridge span structure steel girder (1) of foundation pile (4), concrete slab (2), road pavement (10), platform
(9), foundation pile (4), two abutments (3) and some first connectors；
Each pair of foundation pile (4) standing rack is located at construction location, and abutment (3) is fixed on foundation pile (4) by pile cover (7), spanning
One end of structural steel girder (1) is fixed on the abutment (3) on a foundation pile (4), the other end of bridge span structure steel girder (1)
Being fixed on the abutment (3) on another foundation pile (4), concrete slab (2) is layed in the upper of bridge span structure steel girder (1)
Surface, and the two ends of concrete slab (2) each extend to the outside of abutment (3), the two ends of concrete slab (2) are equipped with
Attachment strap (8), the end of road pavement (10) is positioned at attachment strap (8) and above and is connected with concrete slab (2), concrete slab
(2) upper surface is provided with deck paving (17), and one end of the first connector pours in the concrete of abutment (3), and first connects
The other end of part is welded on the end of bridge span structure steel girder (1), and after the lower end of attachment strap (8) is wrapped in platform, packing layer (9) is interior, takes
The lower surface of plate (8) is provided with sliding layer (13), is provided with the first elastic layer after abutment (3) and platform between packing layer (9).
The seamless bridge of steel-concrete combined structure monoblock type the most according to claim 1, it is characterised in that bridge span structure steel girder
(1) cross section is I-shaped structure.
The seamless bridge of steel-concrete combined structure monoblock type the most according to claim 1, it is characterised in that described first connector is
Peg (18) or open pore steel plate connector (19).
The seamless bridge of steel-concrete combined structure monoblock type the most according to claim 1, it is characterised in that foundation pile (4) is H profile steel
Stake, the outer wall of foundation pile (4) is socketed with protective layer (6), is provided with and is filled by fine sand between protective layer (6) and foundation pile (4)
The second elastic layer (5).
The seamless bridge of steel-concrete combined structure monoblock type the most according to claim 1, it is characterised in that foundation pile (4) and pile cover
(7) being provided with the second connector between, the two ends of the second connector are the most embedded to be fixed in foundation pile (4) and pile cover (7).
The seamless bridge of steel-concrete combined structure monoblock type the most according to claim 1, it is characterised in that pile cover (7) and abutment (3)
Between be provided with reinforcing bar, the two ends of reinforcing bar are the most embedded is fixed on pile cover (7) with in abutment (3).
The seamless bridge of steel-concrete combined structure monoblock type the most according to claim 1, it is characterised in that attachment strap (8) and abutment (3)
Aileron between be provided with bearing (11) and for carrying out waterproof waterproof layer (12).
The seamless bridge of steel-concrete combined structure monoblock type the most according to claim 1, it is characterised in that the end of attachment strap (8) sets
Cushion (14), the lower section of attachment strap (8) is had to be provided with sleeper beam (15) and sliding layer (13).
The seamless bridge of steel-concrete combined structure monoblock type the most according to claim 1, it is characterised in that after platform in packing layer (9)
It is provided with drainage system (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398427.0A CN106065564B (en) | 2016-06-07 | 2016-06-07 | A kind of seamless bridge of steel-concrete combined structure monoblock type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398427.0A CN106065564B (en) | 2016-06-07 | 2016-06-07 | A kind of seamless bridge of steel-concrete combined structure monoblock type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106065564A true CN106065564A (en) | 2016-11-02 |
| CN106065564B CN106065564B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610398427.0A Expired - Fee Related CN106065564B (en) | 2016-06-07 | 2016-06-07 | A kind of seamless bridge of steel-concrete combined structure monoblock type |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059613A (en) * | 2017-03-29 | 2017-08-18 | 宁波交通工程建设集团有限公司 | Road and bridge is seamless Steel Bridge Deck structure and construction method |
| CN108867344A (en) * | 2018-04-10 | 2018-11-23 | 深圳市市政设计研究院有限公司 | The Integral Abutment construction method and Integral Abutment of jointless bridge |
| CN109056502A (en) * | 2018-07-27 | 2018-12-21 | 河海大学 | A kind of Composite abutment and its construction method |
| CN112176853A (en) * | 2020-11-04 | 2021-01-05 | 武汉大学 | Pile-supported damping reinforced earth abutment and construction method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059613A (en) * | 2017-03-29 | 2017-08-18 | 宁波交通工程建设集团有限公司 | Road and bridge is seamless Steel Bridge Deck structure and construction method |
| CN107059613B (en) * | 2017-03-29 | 2022-11-25 | 宁波交通工程建设集团有限公司 | Road and bridge seamless steel bridge deck structure and construction method |
| CN108867344A (en) * | 2018-04-10 | 2018-11-23 | 深圳市市政设计研究院有限公司 | The Integral Abutment construction method and Integral Abutment of jointless bridge |
| CN108867344B (en) * | 2018-04-10 | 2023-07-28 | 深圳市市政设计研究院有限公司 | Integral bridge abutment construction method of bridge without expansion joint and integral bridge abutment |
| CN109056502A (en) * | 2018-07-27 | 2018-12-21 | 河海大学 | A kind of Composite abutment and its construction method |
| CN112176853A (en) * | 2020-11-04 | 2021-01-05 | 武汉大学 | Pile-supported damping reinforced earth abutment and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN106065564B (en) | 2018-01-12 |
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