CN219280465U - Multi-layer framework pier structure sharing middle pier column - Google Patents
Multi-layer framework pier structure sharing middle pier column Download PDFInfo
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- CN219280465U CN219280465U CN202320724536.2U CN202320724536U CN219280465U CN 219280465 U CN219280465 U CN 219280465U CN 202320724536 U CN202320724536 U CN 202320724536U CN 219280465 U CN219280465 U CN 219280465U
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Abstract
The utility model relates to a multi-layer frame pier structure sharing middle pier columns, which comprises middle sharing pier columns, left portal pier one-layer conversion cross beams, right portal pier one-layer pier columns and right portal pier one-layer conversion cross beams; the left portal pier-layer pier column and the right portal pier-layer pier column are respectively arranged at the left side and the right side of the middle shared pier column; the left portal pier layer conversion cross beam is fixedly connected above the left portal pier layer pier column; the right portal pier layer conversion cross beam is fixedly connected above the right portal pier layer pier column; the left portal pier layer conversion cross beam and the right portal pier layer conversion cross beam are different in height. The utility model can meet the bridge span requirements of different heights at the left side and the right side, reduces the bridge span in the overpass arrangement, has more reasonable bridge span arrangement, effectively reduces the occupied space of pier columns, ensures more definite structural stress, has stronger adaptability and saves investment.
Description
Technical Field
The utility model belongs to the technical field of municipal bridges, and particularly relates to a multi-layer framework pier structure sharing middle pier columns.
Background
The viaduct expressway can effectively relieve the problem of traffic congestion, vehicles are separated from space by the viaduct expressway, the vehicles travel along the viaduct expressway without mutual interference, and the traffic capacity of the vehicles is improved. At some important intersections, multiple layers of bridges are mutually crossed and spanned because the bridges in different directions are required to be mutually communicated, however, the space of the intersections is limited, and bridge piers cannot be arranged at the positions where the bridge spans are required to be arranged, so that difficulty is brought to hole span arrangement of the bridges. In order to solve the problem of reasonable crossing of intercommunication, it is necessary to study a structure form which is economical and safe.
Aiming at the problem, the conventional method is to arrange the bridge piers according to the arrangement condition of the bridges in all directions, so that the route is clear, the stress is clear, the structure is simple, but the space for arranging the bridge piers is very limited due to the arrangement of the pavement under the bridge, and most bridge piers cannot be arranged. The other method is to adopt a large portal pier mode, namely, bridge piers are arranged in a road partition belt under the bridge, and large cross beams are used for bearing bridges in different directions, but due to different bridge heights in different directions and different spans, the large portal pier has the advantages of complex structure, complex stress calculation, easiness in generating diseases, large structural size, difficulty in setting in a limited space and large occupied space.
Disclosure of Invention
In order to overcome the problems in the background technology, the utility model provides a multi-layer frame pier structure for sharing middle piers, wherein a shared pier is arranged in the middle of a lower road, other piers are arranged in other partition belts to form a frame form, a frame beam is adopted for carrying out stress conversion, and two layers of frames are arranged on the frame beam to form a multi-layer frame pier structure for sharing the middle piers, so that the bridge span requirements of the left side and the right side are met, the bridge span is reduced in the arrangement of an overpass, the bridge span arrangement is more reasonable, the occupied space of the pier is effectively reduced, the stress of the structure is more definite, the adaptability is stronger, and the investment is saved.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the multi-layer framework pier structure sharing the middle pier column comprises a middle sharing pier column, a left portal pier layer conversion beam, a right portal pier layer pier column, a right portal pier layer conversion beam, a portal pier foundation and a sharing pier column foundation; wherein the middle shared pier stud is arranged on a partition belt of a ground road; the left portal pier-layer pier column and the right portal pier-layer pier column are respectively arranged at the left side and the right side of the middle shared pier column; the left portal pier layer conversion cross beam is fixedly connected above the left portal pier layer pier column; the right portal pier layer conversion cross beam is fixedly connected above the right portal pier layer pier column; the left portal pier layer conversion cross beam and the right portal pier layer conversion cross beam are different in height.
The portal pier foundation and the shared pier column foundation are equal in height, and the middle shared pier column is fixedly connected above the shared pier column foundation; the left portal pier layer pier column and the right portal pier layer pier column are fixedly connected above the portal pier foundation.
Preferably, the multi-layer framework pier structure sharing the middle pier column further comprises a left portal pier two-layer conversion pier column, a left portal pier two-layer conversion cross beam, a left main line bridge body and a left ramp bridge body; the left portal pier two-layer conversion pier column is fixedly connected above the left portal pier one-layer conversion cross beam, and the left portal pier two-layer conversion cross beam is fixedly connected above the left portal pier two-layer conversion pier column; the left main line bridge body is arranged between the two layers of conversion pier columns of the left portal pier and above the one layer of conversion cross beam of the left portal pier; the left ramp bridge body is arranged above the left portal pier two-layer conversion cross beam.
Preferably, the multi-layer framework pier structure sharing the middle pier column further comprises a right portal pier two-layer conversion pier column, a right portal pier two-layer conversion cross beam, a right main line bridge body and a right ramp bridge body; the right portal pier two-layer conversion pier column is fixedly connected above the right portal pier one-layer conversion cross beam, and the right portal pier two-layer conversion cross beam is fixedly connected above the right portal pier two-layer conversion pier column; the right main line bridge body is arranged between the two layers of conversion pier columns of the right portal pier and above the one layer of conversion cross beam of the right portal pier; the right ramp bridge body is arranged above the right portal pier two-layer conversion cross beam.
Preferably, the left portal pier one-layer pier column is arranged in the partition belt, the top end and the left portal pier one-layer conversion cross beam are fixedly connected to form a portal continuous beam structure, the right side is a continuous end, and the portal continuous beam structure is supported on the middle common pier column through a support.
Preferably, the right portal pier-layer pier column is arranged in the partition belt, the top end of the right portal pier-layer pier column is fixedly connected with the right portal pier-layer conversion cross beam to form a portal continuous beam structure, and the left side of the portal continuous beam structure is a continuous end and is supported on the middle common pier column through a support.
Preferably, the portal pier foundation is a reinforced concrete structure and consists of a bearing platform and a single-column pile; the shared pier column foundation is of a reinforced concrete structure and consists of a bearing platform and two pile columns.
Preferably, the left portal pier one-layer conversion cross beam, the left portal pier two-layer conversion cross beam, the right portal pier one-layer conversion cross beam and the right portal pier two-layer conversion pier column are of reinforced concrete structures or prestressed concrete structures.
The beneficial effects of the utility model are as follows:
the utility model is especially suitable for bridge pier arrangement which is limited by space and can not be arranged completely separately, if a full section is made into a bridge pier, the left and right width of the bridge pier is at different heights, the bridge pier is stressed and complicated, the cross section size required by the middle shared pier is large, and in most cases, the space is insufficient and the bridge pier is difficult to arrange. According to the utility model, the required pier column structure size can be arranged in a limited space by using the middle shared pier column, and the frame piers of the left and right bridges are connected. And the multi-layer form with different heights is formed according to the height requirements of the left and right web bridges.
The utility model has the advantages of small occupied space, strong applicability, transparent visual field under the bridge, reasonable layout, low engineering cost and short construction period, and improves the utilization rate of urban space and land.
The pier column has the advantages of good rigidity and stability, clear stress, safety, reliability, economy and applicability.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a side view of the present utility model;
in the figure, a 1-middle shared pier column, a 2-left portal pier one-layer pier column, a 3-left portal pier one-layer conversion beam, a 4-left portal pier two-layer conversion pier column, a 5-left portal pier two-layer conversion beam, a 6-left main line bridge body, a 7-left ramp bridge body, an 8-right portal pier one-layer pier column, a 9-right portal pier one-layer conversion beam, a 10-right portal pier two-layer conversion pier column, an 11-right portal pier two-layer conversion beam, a 12-right main line bridge body, a 13-right side ramp bridge body, a 14-portal pier foundation, a 15-shared pier column foundation and a 16-support connecting line.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
As shown in fig. 1 to 4, the multi-layer frame pier structure of the common middle pier column comprises a middle common pier column 1, a left portal pier one-layer pier column 2, a left portal pier one-layer conversion beam 3, a left portal pier two-layer conversion pier column 4, a left portal pier two-layer conversion beam 5, a left main line bridge body 6, a left ramp bridge body 7, a right portal pier one-layer pier column 8, a right portal pier one-layer conversion beam 9, a right portal pier two-layer conversion pier column 10, a right portal pier two-layer conversion beam 11, a right main line bridge body 12, a right ramp bridge body 13, a portal pier foundation 14 and a common pier column foundation 15. The portal pier foundation 14 and the shared pier foundation 15 are equal in height, and the middle shared pier 1 is fixedly connected above the shared pier foundation 15; the left portal pier layer pier column 2 and the right portal pier layer pier column 8 are fixedly connected above the portal pier foundation 14.
The middle shared pier column 1 is arranged on a partition belt of a ground road; the left portal pier-layer pier column 2 and the right portal pier-layer pier column 8 are also arranged in the partition belt and are respectively arranged at the left side and the right side of the middle shared pier column 1. The left portal pier-layer conversion cross beam 3 is fixedly connected above the left portal pier-layer pier column 2, and the right portal pier-layer conversion cross beam 9 is fixedly connected above the right portal pier-layer pier column 8. The left portal pier two-layer conversion pier column 4 is fixedly connected above the left portal pier one-layer conversion cross beam 3, and the left portal pier two-layer conversion cross beam 5 is fixedly connected above the left portal pier two-layer conversion pier column 4; the left main line bridge body 6 is arranged between the left portal pier two-layer conversion pier columns 4 and above the left portal pier one-layer conversion cross beam 3; the left ramp bridge body 7 is arranged above the left portal pier two-layer conversion cross beam 5. The right portal pier two-layer conversion pier column 10 is fixedly connected above the right portal pier one-layer conversion cross beam 9, and the right portal pier two-layer conversion cross beam 11 is fixedly connected above the right portal pier two-layer conversion pier column 10; the right main line bridge body 12 is arranged between the right portal pier two-layer conversion pier columns 10 and above the right portal pier one-layer conversion cross beam 9; the right ramp bridge body 13 is arranged above the right portal pier two-layer conversion cross beam 11. The left portal pier-layer conversion cross beam 3 is different in height from the right portal pier-layer conversion cross beam 9.
The left portal pier layer pier column 2 is arranged in the partition belt, the position can be adjusted according to the arrangement of the ground road partition belt, the top end of the left portal pier layer pier column 2 and the left portal pier layer conversion cross beam 3 are fixedly connected to form a portal continuous beam structure, the right side is a continuous end, and the portal continuous beam structure is supported on the middle shared pier column 1 through a support. The left portal pier-layer pier column 2 and the middle shared pier column 1 jointly support the left main line bridge body 6 and transmit the load thereof. The left portal pier one-layer conversion cross beam 3 also supports the left portal pier two-layer conversion pier column 4, and the force transmitted by the left portal pier two-layer conversion pier column 4 is transmitted to the left portal pier one-layer conversion cross beam 3 and transmitted to the portal pier foundation 14 and the shared pier column foundation 15 through conversion.
The top end of the right portal pier layer pier column 8 is fixedly connected with the right portal pier layer conversion cross beam 9 to form a portal continuous beam structure, and the left side is a continuous end and is supported on the middle shared pier column 1 through a support. The right portal pier-layer pier column 8 and the middle shared pier column 1 jointly support the right main line bridge body 12 and transmit the load thereof. The right portal pier one-layer conversion cross beam 9 also supports the right portal pier two-layer conversion pier column 10, and forces transmitted from the right portal pier two-layer conversion pier column 10 are transmitted to the right portal pier one-layer conversion cross beam 9 and transmitted to the portal pier foundation 14 and the shared pier column foundation 15 through conversion.
The main functions of the left portal pier one-layer conversion cross beam 3, the left portal pier two-layer conversion cross beam 5, the right portal pier one-layer conversion cross beam 9 and the right portal pier two-layer conversion cross beam 11 are to support the structure above the left portal pier one-layer conversion cross beam, and convert the load transmitted from the upper structure to the corresponding pier column through the cross beam (for example, the left portal pier one-layer conversion cross beam 3 supports the upper structure above the left portal pier one-layer conversion cross beam, and transmit the load transmitted from the upper structure to the portal pier foundation 14 and the shared pier column foundation 15 through the left portal pier one-layer pier column 2). The left portal pier one-layer conversion cross beam 3, the left portal pier two-layer conversion cross beam 5, the right portal pier one-layer conversion cross beam 9 and the right portal pier two-layer conversion pier column 10 are of reinforced concrete structures or prestressed concrete structures, and the size is determined through calculation according to the force transmission size of the upper part and the span size.
The portal pier foundation 14 and the shared pier foundation 15 are both reinforced concrete structures. The portal pier foundation 14 consists of a bearing platform and single-column piles, and the shared pier foundation 15 is of a reinforced concrete structure and consists of the bearing platform and two pile piles.
The main functions of the left portal pier one-layer pier column 2, the left portal pier two-layer conversion pier column 4, the right portal pier one-layer pier column 8 and the right portal pier two-layer conversion pier column 10 are to support a beam above the left portal pier one-layer pier column to transfer load, the top end of the left portal pier one-layer pier column is fixedly connected with the beam (for example, the left portal pier one-layer pier column 2 supports the left portal pier one-layer conversion beam 3 to transfer load), the size of the left portal pier one-layer pier column is determined according to the load transferred by the beam, and reinforced concrete is adopted as materials.
The positions of the left portal pier two-layer conversion pier column 4 and the right portal pier two-layer conversion pier column 10 can move left and right on the left portal pier one-layer conversion cross beam 3 or the right portal pier one-layer conversion cross beam 9 according to different positions of the left main line bridge body 6 and the left ramp bridge body 7 or the right main line bridge body 12 and the right ramp bridge body 13.
The utility model is especially suitable for bridge pier arrangement which is limited by space and can not be arranged completely separately, if a full section is made into a bridge pier, the left and right width of the bridge pier is at different heights, the bridge pier is stressed and complicated, the cross section size required by the middle shared pier is large, and in most cases, the space is insufficient and the bridge pier is difficult to arrange. According to the utility model, the middle shared pier column 1 is used, so that the required pier column structure size can be arranged in a limited space, and the frame piers of the left and right bridges are connected. According to the height requirements of the left and right bridges, the bridge is set to be in a multi-layer form with unequal heights. The utility model can solve the problems that when the interchange is arranged on the busy urban road, the factors for controlling the bridge span are more and the bridge span is difficult to reasonably arrange.
The main construction steps and the method of the utility model are as follows:
(1) And (5) accurately lofting according to the design site.
(2) The portal pier foundation 14 and the common pier column foundation 15 are constructed simultaneously.
(3) Meanwhile, the pier column 1, the left portal pier-layer pier column 2 and the right portal pier-layer pier column 8 are shared in the middle of construction. And the construction middle shares the pier column 1 for construction to the pier top. The left portal pier layer pier column 2 and the right portal pier layer pier column 8 are constructed below the left portal pier layer conversion cross beam 3 and the right portal pier layer conversion cross beam 9, and steel bars entering the conversion cross beam are reserved according to design.
(4) And installing a support on the top of the middle shared pier column 1 according to the design.
(5) And constructing a left portal pier one-layer conversion beam 3 and a right portal pier one-layer conversion beam 9, and reserving reinforcing steel bars of a left portal pier two-layer conversion pier column 4 and a right portal pier two-layer conversion pier column 10 on the left portal pier one-layer conversion beam and the right portal pier one-layer conversion beam 9.
(6) And constructing a left portal pier two-layer conversion pier column 4 and a right portal pier two-layer conversion pier column 10, constructing a left portal pier two-layer conversion cross beam 5 and a right portal pier two-layer conversion cross beam 11, and reserving reinforcing steel bars entering the conversion cross beam according to design.
(7) And constructing a left portal pier two-layer conversion beam 5 and a right portal pier two-layer conversion beam 11.
(8) And installing supports on the left portal pier one-layer conversion cross beam 3, the right portal pier one-layer conversion cross beam 9, the left portal pier two-layer conversion cross beam 5 and the right portal pier two-layer conversion cross beam 11 according to design.
(9) The left side main line bridge body 6 and the right side main line bridge body 12 are constructed.
(10) The left ramp bridge body 7 and the right ramp bridge body 13 are constructed.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (7)
1. The multi-layer framework pier structure for sharing the middle pier column is characterized by comprising a middle sharing pier column (1), a left portal pier one-layer pier column (2), a left portal pier one-layer conversion cross beam (3), a right portal pier one-layer pier column (8), a right portal pier one-layer conversion cross beam (9), a portal pier foundation (14) and a sharing pier column foundation (15); wherein the middle shared pier stud (1) is arranged on a partition belt of a ground road; the left portal pier-layer pier column (2) and the right portal pier-layer pier column (8) are respectively arranged at the left side and the right side of the middle shared pier column (1); the left portal pier-layer conversion cross beam (3) is fixedly connected above the left portal pier-layer pier column (2); the right portal pier-layer conversion cross beam (9) is fixedly connected above the right portal pier-layer pier column (8); the left portal pier-layer conversion cross beam (3) and the right portal pier-layer conversion cross beam (9) are different in height;
the portal pier foundation (14) is equal to the shared pier column foundation (15) in height, and the middle shared pier column (1) is fixedly connected above the shared pier column foundation (15); the left portal pier-layer pier column (2) and the right portal pier-layer pier column (8) are fixedly connected above the portal pier foundation (14).
2. The multi-layer frame pier structure of the shared center pier according to claim 1, further comprising a left portal pier two-layer conversion pier column (4), a left portal pier two-layer conversion cross beam (5), a left main line bridge body (6) and a left ramp bridge body (7); the left portal pier two-layer conversion pier column (4) is fixedly connected above the left portal pier one-layer conversion cross beam (3), and the left portal pier two-layer conversion cross beam (5) is fixedly connected above the left portal pier two-layer conversion pier column (4); the left main line bridge body (6) is arranged between the two layers of conversion pier columns (4) of the left portal pier and above the one layer of conversion cross beam (3) of the left portal pier; the left ramp bridge body (7) is arranged above the left portal pier two-layer conversion cross beam (5).
3. The multi-layered framework pier structure of the shared center pier according to claim 1 or 2, further comprising a right portal pier two-layer conversion pier column (10), a right portal pier two-layer conversion cross beam (11), a right main line bridge body (12) and a right ramp bridge body (13); the right portal pier two-layer conversion pier column (10) is fixedly connected above the right portal pier one-layer conversion cross beam (9), and the right portal pier two-layer conversion cross beam (11) is fixedly connected above the right portal pier two-layer conversion pier column (10); the right side main line bridge body (12) is arranged between the right portal pier two-layer conversion pier columns (10) and above the right portal pier one-layer conversion cross beam (9); the right ramp bridge body (13) is arranged above the right portal pier two-layer conversion cross beam (11).
4. A multi-layer frame pier structure for sharing a middle pier column according to claim 3, wherein the left portal pier-layer pier column (2) is arranged in the partition belt, the top end and the left portal pier-layer conversion cross beam (3) are fixedly connected to form a portal continuous beam structure, and the right side is a continuous end and is supported on the middle sharing pier column (1) through a support.
5. A multi-layer frame pier structure for sharing a middle pier column according to claim 3, wherein the right portal pier-layer pier column (8) is arranged in the partition belt, the top end and the right portal pier-layer conversion cross beam (9) are fixedly connected to form a portal continuous beam structure, and the left side is a continuous end and is supported on the middle sharing pier column (1) through a support.
6. The multi-layer frame pier structure for sharing a middle pier column according to claim 1, wherein the portal pier foundation (14) is a reinforced concrete structure and consists of a bearing platform and a single pile; the shared pier column foundation (15) is of a reinforced concrete structure and consists of a bearing platform and two pile columns.
7. The multi-layer frame pier structure for sharing the middle pier column according to claim 1, wherein the left portal pier one-layer conversion cross beam (3), the left portal pier two-layer conversion cross beam (5), the right portal pier one-layer conversion cross beam (9) and the right portal pier two-layer conversion pier column (10) are of reinforced concrete structures or prestressed concrete structures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320724536.2U CN219280465U (en) | 2023-04-04 | 2023-04-04 | Multi-layer framework pier structure sharing middle pier column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320724536.2U CN219280465U (en) | 2023-04-04 | 2023-04-04 | Multi-layer framework pier structure sharing middle pier column |
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| CN202320724536.2U Active CN219280465U (en) | 2023-04-04 | 2023-04-04 | Multi-layer framework pier structure sharing middle pier column |
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