CN207435877U - A kind of continuous rigid frame bridge - Google Patents
A kind of continuous rigid frame bridge Download PDFInfo
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- CN207435877U CN207435877U CN201721563572.6U CN201721563572U CN207435877U CN 207435877 U CN207435877 U CN 207435877U CN 201721563572 U CN201721563572 U CN 201721563572U CN 207435877 U CN207435877 U CN 207435877U
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Abstract
The utility model provides a kind of continuous rigid frame bridge, and one end of left side prestressed concrete box girder section is connected with the first abutment pier by the first bearing, and the other end of left side prestressed concrete box girder section is connected with one end of lightweight aggregate concrete box beam section；One end of right side prestressed concrete box girder section is connected with the second abutment pier by the second bearing, and the other end of right side prestressed concrete box girder section is connected with the other end of lightweight aggregate concrete box beam section.Continuous rigid frame bridge provided by the utility model, lightweight aggregate concrete box beam section is poured using lightweight aggregate concrete, compared with general Concrete Rigid Frame, mid-span part can reduce the time deformation value of large span continuous rigid frame bridge using lightweight aggregate concrete box beam section, better meet limit value requirement of the high-speed railway to time deformation after bridge work, beam body dead weight, the effective span ability for increasing continuous rigid frame bridge are alleviated simultaneously.
Description
Technical field
The utility model is related to technical field of bridge engineering, more particularly, to a kind of continuous rigid frame bridge.
Background technology
With the continuous improvement of human society productivity, people are to the demand of road, traffic, it is proposed that higher requirement.
And road, traffic construction in, the erection of bridge is an important link, especially for not ideal in geographical environment
Under conditions of, Longspan Bridge is set up, is a problem in bridge construction.Nowadays, with national economy and modern transportation
The fast development of transport undertaking, concrete continuous steel structure bridge are increasing.
The advantages of concrete continuous rigid structure bridge is that low cost, simple structure, construction are convenient, but it is generally in 200m span models
There is obvious competitive advantage in enclosing, up with the increase of span, dead load proportion is excessive, is held by concrete material
Power control is carried, the structure scale of construction is caused to increase in multiple, while it is uncontrollable to creep.
Utility model content
In order to overcome the above-mentioned problems in the prior art at least partly, the utility model provides a kind of continuous rigid frame
Bridge.
The utility model provides a kind of continuous rigid frame bridge, including：Pier in pier, second pair of limb in first pair of limb, the first abutment pier,
Second abutment pier is arranged on left side prestressed concrete box girder section in first pair of limb on pier, is arranged on second pair of limb
Right side prestressed concrete box girder section and lightweight aggregate concrete box beam section on middle pier；Wherein, the left side prestressed concrete
One end of native box beam section is connected with first abutment pier by the first bearing, the left side prestressed concrete box girder section it is another
End is connected with one end of the lightweight aggregate concrete box beam section；One end of the right side prestressed concrete box girder section and described the
Two abutment piers are connected by the second bearing, the other end of the right side prestressed concrete box girder section and the lightweight aggregate concrete case
The other end connection of beam section.
Wherein, the left side prestressed concrete box girder section and the right side prestressed concrete box girder Duan Jun include：The
The first of both sides between one top plate, the first bottom plate, the first cantilever slab of the first top plate both sides and the first top plate and the first bottom plate
Web；Wherein, first top plate, first cantilever slab and first web are connected at one；First bottom plate and
First web is connected at one；First top plate, first cantilever slab, first web and first bottom plate
The box-beam structure of closing is spliced by joint cast-in-place concrete.
Wherein, the lightweight aggregate concrete box beam section includes：Second top plate, the second bottom plate, the second of the second top plate both sides
Second web of both sides between cantilever slab and the second top plate and the second bottom plate；Wherein, second top plate, second cantilever
Plate and second web are connected at one；Second bottom plate and second web are connected at one；Second top plate,
Second cantilever slab, second web and second bottom plate are spliced into closing by the cast-in-place lightweight aggregate concrete in joint
Box-beam structure.
Wherein, pier is horizontal twin legged thin wall pier or longitudinal twin legged thin wall pier in first pair of limb；Second pair of limb
Middle pier is horizontal twin legged thin wall pier or longitudinal twin legged thin wall pier.
Wherein, further include：Basis and cushion cap；Wherein, in ground layer of the basis instrument below the earth's surface；The cushion cap
It is connected on the basis with the top on the basis integral；Pier in pier, second pair of limb in first pair of limb,
The pier bottom of first abutment pier and second abutment pier is arranged on the cushion cap, and is rigidly connected with the cushion cap
It connects.
Wherein, it is provided in first pair of limb in the first limb column of pier and first pair of limb among the second limb column of pier
Binder between first limb.
Wherein, it is provided in second pair of limb in the first limb column of pier and second pair of limb among the second limb column of pier
Binder between second limb.
Wherein, set in first pair of limb in the first limb column of pier and/or first pair of limb on the second limb column of pier
There is the through hole that cross sectional shape is polygon；In second pair of limb in the first limb column of pier and/or second pair of limb pier
The through hole that cross sectional shape is polygon is provided on two limb columns.
Wherein, it is provided with the through hole that cross sectional shape is polygon on first abutment pier and/or second abutment pier.
Wherein, pier in pier, second pair of limb in first pair of limb, first abutment pier and second abutment pier
Cross sectional shape is circular or rectangle.
To sum up, a kind of continuous rigid frame bridge provided by the utility model, one end of left side prestressed concrete box girder section and the
One abutment pier is connected by the first bearing, the other end of left side prestressed concrete box girder section and the one of lightweight aggregate concrete box beam section
End connection；One end of right side prestressed concrete box girder section is connected with the second abutment pier by the second bearing, right side prestressed concrete
The other end of native box beam section is connected with the other end of lightweight aggregate concrete box beam section.Continuous rigid frame bridge provided by the utility model,
Lightweight aggregate concrete box beam section is poured using lightweight aggregate concrete, compared with general Concrete Rigid Frame, mid-span part uses
Lightweight aggregate concrete box beam section can reduce the time deformation value of large span continuous rigid frame bridge, better meet high-speed railway to bridge
The limit value requirement of time deformation after Liang works, while beam body dead weight is alleviated, the effective span ability for increasing continuous rigid frame bridge.
Description of the drawings
Fig. 1 is the structure diagram according to a kind of continuous rigid frame bridge of the utility model embodiment；
Fig. 2 is the knot of left side prestressed concrete box girder section in a kind of continuous rigid frame bridge according to the utility model embodiment
Structure schematic diagram.
Reference numeral
The first abutment piers of 1-；Pier in first pair of limb of 2-；Pier in second pair of limb of 3-；The second abutment piers of 4-；Prestressed concrete on the left of 5-
Native box beam section；6- lightweight aggregate concrete box beam sections；Prestressed concrete box girder section on the right side of 7-；The first top plates of 8-；The first cantilevers of 9-
Plate；The first webs of 10-；The first bottom plates of 11-.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Technical solution in type embodiment is explicitly described, it is clear that described embodiment is that the utility model part is implemented
Example, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making wound
All other embodiments obtained under the premise of the property made work, shall fall within the protection scope of the present invention.
Fig. 1 is the structure diagram according to a kind of continuous rigid frame bridge of the utility model embodiment, as shown in Figure 1, including：
Pier 3 in 2, second pairs of limbs of pier in first pair of limb, the first abutment pier 1, are arranged on the left side on pier in first pair of limb at second abutment pier 4
Side prestressed concrete box girder section 5 is arranged on right side prestressed concrete box girder section 7 in second pair of limb on pier and light
Aggregate concrete box beam section 6；Wherein,
One end of the left side prestressed concrete box girder section 5 is connected with first abutment pier 1 by the first bearing, described
The other end of left side prestressed concrete box girder section 5 is connected with one end of the lightweight aggregate concrete box beam section 6；
One end of the right side prestressed concrete box girder section 7 is connected with second abutment pier 4 by the second bearing, described
The other end of right side prestressed concrete box girder section 7 is connected with the other end of the lightweight aggregate concrete box beam section 6.
Wherein, lightweight aggregate concrete refers to the concrete using lightweight aggregate, and lightweight aggregate concrete has lightweight, high-strength, guarantor
Temperature, the features such as fire resisting and anti-seismic performance are good.
Wherein, part mid-span of the lightweight aggregate concrete box beam section 6 as continuous rigid frame bridge.
A kind of continuous rigid frame bridge is present embodiments provided, one end and the first abutment pier of left side prestressed concrete box girder section lead to
The connection of the first bearing is crossed, the other end of left side prestressed concrete box girder section is connected with one end of lightweight aggregate concrete box beam section；
One end of right side prestressed concrete box girder section is connected with the second abutment pier by the second bearing, right side prestressed concrete box girder section
The other end be connected with the other end of lightweight aggregate concrete box beam section.Continuous rigid frame bridge provided in this embodiment, using lightweight aggregate
Concreting lightweight aggregate concrete box beam section, compared with general Concrete Rigid Frame, mid-span part uses lightweight aggregate coagulation
Native box beam section can reduce the time deformation value of large span continuous rigid frame bridge, better meet high-speed railway to creeping after bridge work
The limit value requirement of deformation, while beam body dead weight is alleviated, the effective span ability for increasing continuous rigid frame bridge.
In another embodiment of the utility model, on the basis of above-described embodiment, with reference to figure 2, the left side is pre-
Prestressed concrete box beam section 5 and the right side prestressed concrete box girder section 7 include：First top plate 8, the first bottom plate 11,
First web 10 of both sides between the first cantilever slab 9 and the first top plate and the first bottom plate of one top plate both sides；Wherein,
First top plate 8, first cantilever slab 9 and first web 10 are connected at one；
First bottom plate 11 and first web 10 are connected at one；
First top plate 8, first cantilever slab 9, first web 10 and first bottom plate 11 are by connecting
Place's cast-in-place concrete is spliced into the box-beam structure of closing.
A kind of continuous rigid frame bridge is present embodiments provided, the first top plate, the first cantilever slab, the first web and the first bottom plate lead to
The box-beam structure that joint cast-in-place concrete is spliced into closing is crossed, using concrete structure, is constructed using cantilever pouring, saved significantly
The duration is saved, reduces project cost.
In the further embodiment of the utility model, on the basis of above-described embodiment, the lightweight aggregate concrete case
Beam section 6 includes：Second top plate, the second bottom plate, the second cantilever slab of the second top plate both sides and the second top plate and the second bottom plate it
Between both sides the second web；Wherein,
Second top plate, second cantilever slab and second web are connected at one；
Second bottom plate and second web are connected at one；
Second top plate, second cantilever slab, second web and second bottom plate are cast-in-place by joint
Lightweight aggregate concrete is spliced into the box-beam structure of closing.
A kind of continuous rigid frame bridge is present embodiments provided, the second top plate, the second cantilever slab, the second web and the second bottom plate lead to
The box-beam structure that the cast-in-place lightweight aggregate concrete in joint is spliced into closing is crossed, using lightweight aggregate concrete structure, is poured using cantilever
Construction is built, greatlys save the duration, reduces project cost.
In the utility model another embodiment, on the basis of above-described embodiment, pier 2 is horizontal stroke in first pair of limb
To twin legged thin wall pier or longitudinal twin legged thin wall pier；
Pier 3 is horizontal twin legged thin wall pier or longitudinal twin legged thin wall pier in second pair of limb.
Preferably, pier 2 is horizontal twin legged thin wall pier in first pair of limb；Pier 3 is horizontal twin legged thin wall pier in second pair of limb.
Present embodiments provide a kind of continuous rigid frame bridge, pier is horizontal twin legged thin wall pier in first pair of limb, in second pair of limb
Pier is horizontal twin legged thin wall pier, adds continuous rigid frame bridge lateral stiffness and stability.
In the utility model another embodiment, on the basis of above-described embodiment, further include：Basis and cushion cap；Its
In,
In the ground layer that the basis instrument is suitble in the following engineering geology of earth's surface；
The cushion cap is connected integral on the basis with the top on the basis；
Pier 3 in pier 2, second pair of limb in first pair of limb, first abutment pier 1 and second abutment pier 4
Pier bottom is arranged on the cushion cap, and is rigidly connected with the cushion cap.
Preferably, basis is the structure of bridge lowest part, it is directly located on rock or ground, bears superstructure biography
The whole load come, and deliver load to ground, it is desirable that ground and basis will have enough intensity, rigidity and monolithic stability
Property, it is made not generate excessive horizontal displacement or differential settlement.
In the utility model another embodiment, on the basis of above-described embodiment, the of pier 2 in first pair of limb
In one limb column and first pair of limb binder between the first limb is provided among the second limb column of pier 2.
Present embodiments provide a kind of continuous rigid frame bridge, in first pair of limb in the first limb column of pier and first pair of limb pier
Binder between the first limb is provided among two limb columns, improves the stability of pier in first pair of limb.
In the utility model another embodiment, on the basis of above-described embodiment, the of pier 3 in second pair of limb
In one limb column and second pair of limb binder between the second limb is provided among the second limb column of pier 3.
Present embodiments provide a kind of continuous rigid frame bridge, in second pair of limb in the first limb column of pier and second pair of limb pier
Binder between the second limb is provided among two limb columns, improves the stability of pier in second pair of limb.
In the utility model another embodiment, on the basis of above-described embodiment, the of pier 2 in first pair of limb
The through hole that cross sectional shape is polygon is provided in one limb column and/or first pair of limb on second limb column of pier 2；
It is provided with and cuts on the second limb column of pier 3 in the first limb column of pier 3 and/or second pair of limb in second pair of limb
Face shape is the through hole of polygon.
Preferably, it is provided with and cuts on the second limb column of pier 2 in the first limb column of pier 2 and/or first pair of limb in first pair of limb
Face shape is the through hole of rectangle；
Being provided with cross sectional shape on the second limb column of pier 3 in the first limb column of pier 3 and/or second pair of limb in second pair of limb is
The through hole of rectangle.
Present embodiments provide a kind of continuous rigid frame bridge, pier in the first limb column of pier and/or first pair of limb in first pair of limb
The second limb column on be provided with cross sectional shape be rectangle through hole；In second pair of limb in the first limb column of pier 3 and/or second pair of limb
The through hole that cross sectional shape is rectangle is provided on second limb column of pier 3, saves in first pair of limb pier in pier and second pair of limb
Concrete amount.
In the utility model another embodiment, on the basis of above-described embodiment, first abutment pier 1 and/or institute
State the through hole for being provided with that cross sectional shape is polygon on the second abutment pier 4.
Preferably, it is provided with the through hole that cross sectional shape is rectangle on the first abutment pier 1 and/or the second abutment pier 4.
A kind of continuous rigid frame bridge is present embodiments provided, cross sectional shape is provided on the first abutment pier 1 and/or the second abutment pier 4
For the through hole of rectangle, the concrete amount of the first abutment pier and/or the second abutment pier is saved.
In the utility model another embodiment, on the basis of above-described embodiment, pier 2, institute in first pair of limb
The cross sectional shape for stating pier 3, first abutment pier 1 and second abutment pier 4 in second pair of limb is circular or rectangle.
Preferably, the cross sectional shape of pier 3, the first abutment pier 1 and the second abutment pier 4 is equal in 2, second pairs of limbs of pier in first pair of limb
For circle.
Continuous rigid frame bridge provided in this embodiment pours lightweight aggregate concrete box beam section, with one using lightweight aggregate concrete
As Concrete Rigid Frame compare, mid-span part can reduce large span continuous rigid frame bridge using lightweight aggregate concrete box beam section
Time deformation value better meets limit value requirement of the high-speed railway to time deformation after bridge work, while alleviates beam body dead weight,
The effective span ability for increasing continuous rigid frame bridge.
Although being described in conjunction with the accompanying the embodiment of the utility model, those skilled in the art can not depart from
Various modifications and variations are made in the case of the spirit and scope of the utility model, such modifications and variations are each fallen within by appended
Within claim limited range.
Claims (10)
1. a kind of continuous rigid frame bridge, which is characterized in that including：Pier, the first abutment pier, second in pier, second pair of limb in first pair of limb
Abutment pier is arranged on the left side prestressed concrete box girder section in first pair of limb on pier, is arranged on pier in second pair of limb
On right side prestressed concrete box girder section and lightweight aggregate concrete box beam section；Wherein,
One end of the left side prestressed concrete box girder section is connected with first abutment pier by the first bearing, and the left side is pre-
The other end of prestressed concrete box beam section is connected with one end of the lightweight aggregate concrete box beam section；
One end of the right side prestressed concrete box girder section is connected with second abutment pier by the second bearing, and the right side is pre-
The other end of prestressed concrete box beam section is connected with the other end of the lightweight aggregate concrete box beam section.
2. continuous rigid frame bridge according to claim 1, which is characterized in that the left side prestressed concrete box girder section and institute
Stating right side prestressed concrete box girder Duan Jun includes：First top plate, the first bottom plate, the first top plate both sides the first cantilever slab and
First web of both sides between first top plate and the first bottom plate；Wherein,
First top plate, first cantilever slab and first web are connected at one；
First bottom plate and first web are connected at one；
First top plate, first cantilever slab, first web and first bottom plate pass through the cast-in-place coagulation in joint
Soil is spliced into the box-beam structure of closing.
3. continuous rigid frame bridge according to claim 1, which is characterized in that the lightweight aggregate concrete box beam section includes：The
The second of both sides between two top plates, the second bottom plate, the second cantilever slab of the second top plate both sides and the second top plate and the second bottom plate
Web；Wherein,
Second top plate, second cantilever slab and second web are connected at one；
Second bottom plate and second web are connected at one；
Second top plate, second cantilever slab, second web and second bottom plate pass through the cast-in-place light bone in joint
Material concrete is spliced into the box-beam structure of closing.
4. continuous rigid frame bridge according to claim 1, which is characterized in that pier is horizontal twin legged thin wall in first pair of limb
Pier or longitudinal twin legged thin wall pier；
Pier is horizontal twin legged thin wall pier or longitudinal twin legged thin wall pier in second pair of limb.
5. continuous rigid frame bridge according to claim 1, which is characterized in that further include：Basis and cushion cap；Wherein,
In ground layer of the basis instrument below the earth's surface；
The cushion cap is connected integral on the basis with the top on the basis；
The pier bottom of pier, first abutment pier and second abutment pier is all provided in pier, second pair of limb in first pair of limb
It puts on the cushion cap, and is rigidly connected with the cushion cap.
6. continuous rigid frame bridge according to claim 1, which is characterized in that the first limb column of pier and institute in first pair of limb
It states and is provided with binder between the first limb among the second limb column of pier in first pair of limb.
7. continuous rigid frame bridge according to claim 1, which is characterized in that the first limb column of pier and institute in second pair of limb
It states and is provided with binder between the second limb among the second limb column of pier in second pair of limb.
8. continuous rigid frame bridge according to claim 1, which is characterized in that in first pair of limb the first limb column of pier and/
Or the through hole that cross sectional shape is polygon is provided in first pair of limb on the second limb column of pier；
In second pair of limb cross sectional shape is provided on the second limb column of pier in the first limb column of pier and/or second pair of limb
For the through hole of polygon.
9. continuous rigid frame bridge according to claim 1, which is characterized in that first abutment pier and/or second abutment pier
On be provided with cross sectional shape be polygon through hole.
10. continuous rigid frame bridge according to claim 1, which is characterized in that pier, second pair of limb in first pair of limb
The cross sectional shape of middle pier, first abutment pier and second abutment pier is circular or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721563572.6U CN207435877U (en) | 2017-11-21 | 2017-11-21 | A kind of continuous rigid frame bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721563572.6U CN207435877U (en) | 2017-11-21 | 2017-11-21 | A kind of continuous rigid frame bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207435877U true CN207435877U (en) | 2018-06-01 |
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ID=62286569
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721563572.6U Active CN207435877U (en) | 2017-11-21 | 2017-11-21 | A kind of continuous rigid frame bridge |
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| Country | Link |
|---|---|
| CN (1) | CN207435877U (en) |
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2017
- 2017-11-21 CN CN201721563572.6U patent/CN207435877U/en active Active
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