CN208235303U - A kind of precast prestressed modularization viaduct - Google Patents
A kind of precast prestressed modularization viaduct Download PDFInfo
- Publication number
- CN208235303U CN208235303U CN201820760216.1U CN201820760216U CN208235303U CN 208235303 U CN208235303 U CN 208235303U CN 201820760216 U CN201820760216 U CN 201820760216U CN 208235303 U CN208235303 U CN 208235303U
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- arc
- modularization
- precast
- precast beam
- connector
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Abstract
The utility model discloses a kind of precast prestressed modularization viaducts, it include: arc precast beam and connector, the arc precast beam is sequentially arranged at intervals and forms arc bridge framework, the connector is separately positioned between two adjacent arc precast beams, the connector is the I-steel of arc-shaped bend, arc precast beam two sides are respectively arranged with chimb corresponding with connector grooves on two sides, the bottom of the arc precast beam is provided with convex ribs and forms T section structure, several girder steels are provided between adjacent two convex ribs to be attached, the girder steel both ends extend transversely through convex ribs respectively and end is provided with nut and is limited.By the above-mentioned means, precast prestressed modularization viaduct described in the utility model, arc precast beam and connector are customized in factory, then it transports to scene and constructs again, the period of site operation is substantially reduced, time several weeks can be completed, and reduce the influence constructed to traffic.
Description
Technical field
The utility model relates to bridge technology fields, more particularly to a kind of precast prestressed modularization viaduct.
Background technique
With the development of China's economic society, urban population is more and more, and vehicles number is also to increase year by year, and city is handed over
Logical increasingly congestion, each city is all in the traffic jam issue for making great efforts solution urban road congestion, especially intersection.
Grade separation bridge can be very good to alleviate the traffic jam issue of intersection, but the construction period of grade separation bridge
It is long, it usually needs the time of several months to several years, construction period have aggravated the congestion problems at crossing, and therefore, the construction time is longer, right
The influence of urban transportation is bigger, needs to improve.
Utility model content
For the utility model mainly solving the technical problems that providing a kind of precast prestressed modularization viaduct, utilization is prefabricated
Part is assembled, and construction period and the influence to traffic are reduced.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of precast prestressed
Modularization viaduct, comprising: arc precast beam and connector, the arc precast beam are sequentially arranged at intervals and form arc bridge
Framework, the connector are separately positioned between two adjacent arc precast beams, and the connector is the I-shaped of arc-shaped bend
Steel, arc precast beam two sides are respectively arranged with chimb corresponding with connector grooves on two sides, the bottom of the arc precast beam
Portion is provided with convex ribs and forms T section structure, is provided with several girder steels between adjacent two convex ribs and is attached, the girder steel
Both ends extend transversely through convex ribs respectively and end is provided with nut and is limited.
In one preferred embodiment of the utility model, the arc precast beam and convex ribs are the concrete structure of disjunctor,
Steel mesh is embedded in the arc precast beam and convex ribs.
In one preferred embodiment of the utility model, steel plate, the steel plate and steel are respectively arranged on the outside of the chimb
Muscle net is welded and fixed.
In one preferred embodiment of the utility model, the arc precast beam is monolithic construction or segmented knot
Structure.
In one preferred embodiment of the utility model, when the arc precast beam is segmentation structure, every section of convex ribs two
End is respectively arranged with several location holes, and the location hole between adjacent two sections of convex ribs is positioned using pin shaft.
In one preferred embodiment of the utility model, when the arc precast beam is monolithic construction, it is arranged in convex ribs
There is lightening hole.
In one preferred embodiment of the utility model, the girder steel is hollow steel pipe, and the girder steel both ends are respectively set
There is external screw thread corresponding with nut.
It further include guardrail in one preferred embodiment of the utility model, the bottom of the guardrail is provided with C-shaped steel bottom
Seat, the C-shaped steel base are arranged on the outside chimb of edge arc precast beam.
In one preferred embodiment of the utility model, the C-shaped steel base uses bolt with the steel plate on corresponding chimb
It is fixed, threaded hole corresponding with bolt is provided on corresponding steel plate.
In one preferred embodiment of the utility model, the top surface of the connector is flushed with the top surface of arc precast beam.
The beneficial effects of the utility model are: a kind of precast prestressed modularization viaduct that the utility model is pointed out, arc
Shape precast beam and connector are customized in factory, are then transported to scene and are constructed again, substantially reduce site operation
Period, time several weeks can be completed, and reduce the influence constructed to traffic, prestressed reinforced concrete construction, it is ensured that viaduct span.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is a kind of structural schematic diagram of precast prestressed one preferred embodiment of modularization viaduct of the utility model；
Fig. 2 is the sectional view along A-A of Fig. 1.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 ~ Fig. 2 is please referred to, the utility model embodiment includes:
A kind of precast prestressed modularization viaduct, comprising: arc precast beam 1 and connector 2, the arc precast beam 1
Be sequentially arranged at intervals and form arc bridge framework, the connector 2 be separately positioned on two adjacent arc precast beams 1 it
Between, the top surface of the connector 2 is flushed with the top surface of arc precast beam 1, it is ensured that the flatness on surface re-lays one layer when necessary
Bituminous pavement reduces noise when vehicle driving.
The connector 2 is the I-steel of arc-shaped bend, and arc precast beam two sides are respectively arranged with and 2 liang of connector
The corresponding chimb 11 of side groove, chimb 11 are embedded in the square groove of I-steel two sides, and the stability of structure is high.
The bottom of the arc precast beam 1 is provided with convex ribs 8 and forms T section structure, reinforces arc using convex ribs 8
The intensity of precast beam 1, especially load capacity are provided with several girder steels 9 between adjacent two convex ribs 8 and carry out, 9 liang of the girder steel
End extends transversely through convex ribs 8 respectively and end is provided with nut 7 and is limited, and carries out cross directional stretch limit, avoids arc precast beam 1
Between lateral separation, the globality of lift structure.
The girder steel 9 is hollow steel pipe, and further progress loss of weight, 9 both ends of girder steel are respectively arranged with corresponding with nut 7
External screw thread, facilitate the installation of nut 7.
The arc precast beam 1 and convex ribs 8 are the concrete structure of disjunctor, pre-buried in the arc precast beam 1 and convex ribs 8
There is steel mesh 12, structural strength is high.1 width of arc precast beam is set as 1 meter, can adjust according to actual needs, factory into
Row is prefabricated, then transports to crossing and constructs.
Steel plate 3 is respectively arranged on the outside of the chimb 11, the steel plate 3 is welded and fixed with steel mesh 12, and steel plate 3, which is located at, to be connected
In 2 grooves on two sides of fitting, reduce the operating pressure of chimb 11, improves the globality and intensity of structure.
Arc precast beam 1 can use two kinds of structures, monolithic construction and segmentation structure:
When the arc precast beam 1 is segmentation structure, every section of 8 both ends of convex ribs are respectively arranged with 2 location holes 10 up and down,
Location hole 10 between adjacent two sections of convex ribs 8 carries out grafting positioning using pin shaft, reduces the production and transportation of arc precast beam 1
Cost；
When the arc precast beam 1 is monolithic construction, it is provided with lightening hole in convex ribs 8, reduces self weight.
In order to promote safety, it is also necessary to install guardrail 4 additional in grade separation bridge two sides, the bottom of the guardrail 4 is provided with C-shaped
Steel base 6, guardrail 4 use steel construction, are fixed with C-shaped steel base 6 using welding or bolt, convenient construction, C-shaped steel bottom
Seat 6 is arranged on the outside chimb of edge arc precast beam, and C-shaped steel base 6 is stuck on the chimb of outside, and structure is relatively stable, institute
It states C-shaped steel base 6 and is fixed with the steel plate on corresponding chimb using bolt 5, sound construction is corresponded to and is provided with and bolt 5 on steel plate
Corresponding threaded hole, installation and removal maintenance are relatively convenient.
In conclusion a kind of precast prestressed modularization viaduct that the utility model is pointed out, it is pre- especially to use arc
Beam 1 and connector 2 processed are influenced small, short construction period by adverse weather, to city without being poured and being waited at the construction field (site)
The influence of city's traffic can be preferably minimized.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of precast prestressed modularization viaduct characterized by comprising arc precast beam and connector, the arc
Precast beam is sequentially arranged at intervals and forms arc bridge framework, and the connector is separately positioned on two adjacent arc precast beams
Between, the connector is the I-steel of arc-shaped bend, and arc precast beam two sides are respectively arranged with recessed with connector two sides
The bottom of the corresponding chimb of slot, the arc precast beam is provided with convex ribs and forms T section structure, between adjacent two convex ribs
It is provided with several girder steels to be attached, the girder steel both ends extend transversely through convex ribs respectively and end is provided with nut and is limited.
2. precast prestressed modularization viaduct according to claim 1, which is characterized in that the arc precast beam and convex
Muscle is the concrete structure of disjunctor, is embedded with steel mesh in the arc precast beam and convex ribs.
3. precast prestressed modularization viaduct according to claim 2, which is characterized in that set respectively on the outside of the chimb
It is equipped with steel plate, the steel plate is welded and fixed with steel mesh.
4. precast prestressed modularization viaduct according to claim 1, which is characterized in that the arc precast beam is whole
Body formula structure or segmentation structure.
5. precast prestressed modularization viaduct according to claim 1, which is characterized in that the arc precast beam is point
When segmentation structure, every section of convex ribs both ends are respectively arranged with several location holes, and the location hole between adjacent two sections of convex ribs utilizes pin shaft
It is positioned.
6. precast prestressed modularization viaduct according to claim 1, which is characterized in that the arc precast beam is whole
When body formula structure, lightening hole is provided in convex ribs.
7. precast prestressed modularization viaduct according to claim 1, which is characterized in that the girder steel is hollow steel
Pipe, the girder steel both ends are respectively arranged with external screw thread corresponding with nut.
8. precast prestressed modularization viaduct according to claim 3, which is characterized in that it further include guardrail, the shield
The bottom on column is provided with C-shaped steel base, and the C-shaped steel base is arranged on the outside chimb of edge arc precast beam.
9. precast prestressed modularization viaduct according to claim 8, which is characterized in that the C-shaped steel base with it is right
It answers the steel plate on chimb to be fixed by bolts, is provided with threaded hole corresponding with bolt on corresponding steel plate.
10. precast prestressed modularization viaduct according to claim 1, which is characterized in that the top surface of the connector
It is flushed with the top surface of arc precast beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820760216.1U CN208235303U (en) | 2018-05-22 | 2018-05-22 | A kind of precast prestressed modularization viaduct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820760216.1U CN208235303U (en) | 2018-05-22 | 2018-05-22 | A kind of precast prestressed modularization viaduct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208235303U true CN208235303U (en) | 2018-12-14 |
Family
ID=64580571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820760216.1U Expired - Fee Related CN208235303U (en) | 2018-05-22 | 2018-05-22 | A kind of precast prestressed modularization viaduct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208235303U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425312A (en) * | 2018-05-22 | 2018-08-21 | 沙洲职业工学院 | A kind of precast prestressed modularization viaduct |
| CN114438873A (en) * | 2022-02-16 | 2022-05-06 | 湖南大学 | Prefabricated ultrahigh-performance concrete hollowed-out T-shaped beam bridge structure and construction method thereof |
-
2018
- 2018-05-22 CN CN201820760216.1U patent/CN208235303U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425312A (en) * | 2018-05-22 | 2018-08-21 | 沙洲职业工学院 | A kind of precast prestressed modularization viaduct |
| CN114438873A (en) * | 2022-02-16 | 2022-05-06 | 湖南大学 | Prefabricated ultrahigh-performance concrete hollowed-out T-shaped beam bridge structure and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20190522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |