CN111945541B - Middle-bearing type tie-bar arch bridge - Google Patents
Middle-bearing type tie-bar arch bridge Download PDFInfo
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- CN111945541B CN111945541B CN202010793315.1A CN202010793315A CN111945541B CN 111945541 B CN111945541 B CN 111945541B CN 202010793315 A CN202010793315 A CN 202010793315A CN 111945541 B CN111945541 B CN 111945541B
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- arch
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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
- E01D4/00—Arch-type bridges
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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
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses a middle-supported tie-bar arch bridge, which comprises pier columns, supporting seats, first steel box main arch ribs, second steel box main arch ribs, first steel box auxiliary arch ribs, second steel box auxiliary arch ribs, arch beam connectors, balance arches, main girders, main arches, arch rib connectors and transverse connectors, wherein the pier columns are symmetrically provided with two, the main arches are symmetrically arranged on the pier columns, one end of each first steel box main arch rib is connected with one main arch on one pier column, the other end of each first steel box main arch rib is connected with the corresponding main arch on the other pier column, the two ends of each first steel box auxiliary arch rib are correspondingly arranged at the two ends of each first steel box main arch rib, the first steel box auxiliary arch ribs are connected with the corresponding main arch ribs on one pier column, the other end of each second steel box main arch rib is connected with the corresponding main arch on the other pier column, and the two ends of each second steel box auxiliary arch rib are correspondingly arranged at the two ends of each second steel box main arch rib.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a middle-bearing type tied-arch bridge.
Background
Along with the development of domestic urbanization, more bridges are crossing rivers in cities, arch bridges are greatly popularized by the attractiveness, and the application of the middle-bearing arch bridge is wider; the delphine type arch bridge is one of the middle-bearing type arch bridges, and an auxiliary arch is added to two sides of the delphine type arch bridge respectively to look like a delphine, so that the delphine type arch bridge is called, and the middle-bearing type arch bridge is arranged at the main arch ring part; butterfly arch bridges are attractive bridge structures with a more complicated structure compared with a general arch bridge due to the special shape of the bridge, and are widely applied to the underlaying arch bridge in recent years, and are widely applied to the construction of city bridges, even landmark buildings; the arch rib of the butterfly arch bridge is a typical bending component like a common arch bridge, meanwhile, the arch rib is a torsion component, the stress of the arch rib is in a three-dimensional state, and the stress state of the arch rib causes the stress of the arch springing position to be quite complex; the butterfly arch bridge arch rib is inclined outwards, so that the inhaul cable is not in a vertical plane, and the inhaul cable can generate component forces in two directions, and the component forces can cause inward displacement of the arch rib; the invention combines the Feiyan arch bridge and the butterfly arch bridge, adds the transverse connecting beam and increases the stability of the structure; meanwhile, the middle-bearing arch bridge is adopted, so that the displacement between the inhaul cable and the main beam is reduced, and the deformation displacement is reduced; designed into a middle-bearing type tied-arch bridge.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a middle-bearing type tied arch bridge.
In order to solve the technical problems, the technical scheme provided by the invention is that the middle-bearing type tied arch bridge comprises: the bridge pier comprises pier columns, support seats, first steel box main arch ribs, second steel box main arch ribs, first steel box auxiliary arch ribs, second steel box auxiliary arch ribs, arch beam combining pieces, balance arches, main beams, main arches, arch rib connecting pieces and transverse connecting pieces, wherein two pier columns are symmetrically arranged, the main arches are symmetrically arranged on the pier columns, one end of each first steel box main arch rib is connected with one main arch on one pier column, the other end of each first steel box main arch rib is connected with the corresponding main arch on the other pier column, two ends of each first steel box auxiliary arch rib are correspondingly arranged at two ends of each first steel box main arch rib, the first steel box auxiliary arch ribs are connected with the corresponding main arches on one pier column through arch rib connecting pieces, the other end of each second steel box main arch rib is connected with the corresponding main arch on the other pier column, the other end of each second steel box auxiliary arch rib is correspondingly arranged on the second steel box main arch rib and the two main arch ribs through the balance arches, and the support seats are correspondingly arranged between the two main arches, and the two main arches are correspondingly connected with the balance arches;
Sleeves are symmetrically arranged on two sides of the main beam, hanging rods are arranged in the sleeves, the upper end of one hanging rod is connected with a first steel box main arch rib, and the upper end of the other hanging rod is connected with a second steel box main arch rib;
the pier column is provided with an upright column, and the upper part of the upright column is matched with the main beam;
a side span triangle is formed among the main girder, the main arch and the balance arch;
The junction of the first steel box auxiliary arch rib and the first steel box main arch rib is close to the main arch, and the junction of the second steel box auxiliary arch rib and the second steel box main arch rib is close to the main arch.
As an improvement, the extension direction of the upper end of the balance arch is opposite to the extension direction of the upper end of the main arch.
As an improvement, the main arch is a reinforced concrete structure.
As an improvement, the suspender is made of steel strand wires, and the arch rib connecting piece is made of steel pipes.
As an improvement, the girder is of a steel-concrete structure, the lower part of the girder is of a steel box structure, the bridge deck is of a concrete structure, and the concrete bridge deck is connected with the steel box through a shear key.
As an improvement, the boom and the sleeve are connected by an anchor, and the sleeve is welded to the main beam.
As an improvement, the number of arch rib connecting pieces is provided with a plurality, and the number of sleeves is provided with a plurality.
Compared with the prior art, the invention has the advantages that: the two structural forms of the flying swallow type arch bridge and the butterfly type arch bridge are combined, and the transverse connecting piece is additionally arranged between the first steel box auxiliary arch rib and the second steel box auxiliary arch rib, so that the stability of the integral structure is improved, the bridge is attractive, the middle-bearing arch bridge is adopted, the displacement between the suspender and the main beam is reduced, the deformation displacement is reduced, and the upright columns arranged on the side span triangular area and the pier column are formed among the main beam, the main arch and the balance arch, so that the stability and the safety of the bridge are improved.
Drawings
Fig. 1 is a front view of a mid-span tied-arch bridge of the present invention.
Fig. 2 is a left side view of a mid-span tied-arch bridge of the present invention.
Fig. 3 is a partial enlarged view at a in fig. 1.
Fig. 4 is a partial enlarged view at B in fig. 1.
As shown in the figure: 1. pier column, 2, support, 3, first steel case main arch rib, 4, second steel case main arch rib, 5, first steel case auxiliary arch rib, 6, second steel case auxiliary arch rib, 7, arched girder combination piece, 8, balance arch, 9, girder, 10, main arch, 11, arch rib connecting piece, 12, transverse connecting piece, 13, sleeve, 14, suspender, 15, upright post, 16, side span triangle.
Detailed Description
A mid-span tied-arch bridge of the present invention is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-4, a middle-supported tie-bar arch bridge comprises pier columns 1, support frames 2, a first steel box main arch rib 3, a second steel box main arch rib 4, a first steel box auxiliary arch rib 5, a second steel box auxiliary arch rib 6, an arch beam combining piece 7, a balance arch 8, a main beam 9, main arches 10, arch rib connecting pieces 11 and transverse connecting pieces 12, wherein the pier columns 1 are symmetrically provided with two, the main arches 10 are symmetrically arranged on the pier columns 1, one end of the first steel box main arch rib 3 is connected with one main arch 10 on one pier column 1, the other end of the first steel box main arch rib 3 is connected with the corresponding main arch 10 on the other pier column 1, the two ends of the first steel box auxiliary arch rib 5 are correspondingly arranged at the two ends of the first steel box main arch rib 3, the first steel box auxiliary arch rib 5 and the first steel box main arch rib 3 are connected through the arch rib connecting pieces 11, the second steel box main arch rib 4 is connected with a corresponding main arch 10 on one pier column 1, the other end of the second steel box main arch rib 4 is connected with a corresponding main arch 10 on the other pier column 1, two ends of the second steel box auxiliary arch rib 6 are correspondingly arranged at two ends of the second steel box main arch rib 4, the second steel box auxiliary arch rib 6 and the second steel box main arch rib 4 are connected through an arch rib connecting piece 11, the first steel box auxiliary arch rib 5 and the second steel box auxiliary arch rib 6 are connected through a transverse connecting piece 12, the balance arch 8 is symmetrically arranged on the pier column 1, the arch beam connecting piece 7 is arranged on the main arch 10, two sides of the main arch 10 are respectively provided with a support 2, the main beam 9 is positioned above the balance arch 8 and the supports 2 and is matched with the balance arch 8 and the supports 2, and the main beam 9 and the main arch 10 are connected through the arch beam connecting piece 7;
The method comprises the steps that steel bars are reserved before pouring of a main arch 10, concrete is poured after a first steel box main arch rib 3 and a second steel box main arch rib 4 are hoisted, and the first steel box main arch rib 3, the second steel box main arch rib 4 and the main arch 10 are fixedly poured together through concrete;
Sleeves 13 are symmetrically arranged on two sides of the main beam 9, hanging rods 14 are arranged in the sleeves 13, the upper end of one hanging rod 14 on one side is connected with the first steel box main arch rib 3, and the upper end of the hanging rod 14 on the other side is connected with the second steel box main arch rib 4;
the pier column 1 is provided with a column 15, and the upper part of the column 15 is matched with the main beam 9;
a side span triangle 16 is formed among the main girder 9, the main arch 10 and the balance arch 8;
The connection of the first steel box auxiliary arch rib 5 and the first steel box main arch rib 3 is close to the main arch 10, and the connection of the second steel box auxiliary arch rib 6 and the second steel box main arch rib 4 is close to the main arch 10.
The extending direction of the upper end of the balance arch 8 is opposite to the extending direction of the upper end of the main arch 10.
The main arch 10 is a reinforced concrete structure.
The suspender 14 is made of steel strand wires, and the arch rib connecting piece 11 is made of steel pipes.
The girder is the steel-concrete structure, and the lower part is the steel case structure, and the decking is concrete structure, and concrete decking passes through the shear force key with the steel case and connects.
The boom 14 and the sleeve 13 are connected by an anchor, and the sleeve 13 is welded to the main beam 9.
The number of arch rib connectors 11 is plural, and the number of bushings 13 is plural.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (7)
1. A center-supported tied-arch bridge, characterized by: including pier stud (1), support (2), first steel tank main arch rib (3), second steel tank main arch rib (4), first steel tank auxiliary arch rib (5), second steel tank auxiliary arch rib (6), arched girder connector (7), balanced arch (8), girder (9), main arch (10), arch rib connecting piece (11) and transverse connector (12), pier stud (1) symmetry is equipped with two, main arch (10) symmetry sets up on pier stud (1), one end of first steel tank main arch rib (3) is connected with one of them main arch (10) on one of pier stud (1), the other end of first steel tank main arch rib (3) is connected with corresponding main arch (10) on another pier stud (1), the both ends of first steel tank auxiliary arch rib (5) correspond the both ends that set up on first steel tank main arch rib (3), first steel tank auxiliary arch rib (5) and first steel tank main arch rib (3) between through the corresponding main arch rib (10) on one of them main arch rib (4) of the main arch rib (1) are connected, the two ends of the second steel box auxiliary arch rib (6) are correspondingly arranged at the two ends of the second steel box main arch rib (4), the second steel box auxiliary arch rib (6) and the second steel box main arch rib (4) are connected through an arch rib connecting piece (11), the first steel box auxiliary arch rib (5) and the second steel box auxiliary arch rib (6) are connected through a transverse connecting piece (12), the balance arch (8) is symmetrically arranged on the pier column (1), the arch beam connecting piece (7) is arranged on the main arch (10), the supports (2) are arranged at two sides of the main arch (10), the main beams (9) are positioned above the balance arch (8) and the supports (2) and are matched with the balance arch (8) and the supports (2), and the main beams (9) and the main arch (10) are connected through the arch beam connecting piece (7);
Sleeves (13) are symmetrically arranged on two sides of the main beam (9), hanging rods (14) are arranged in the sleeves (13), the upper ends of the hanging rods (14) on one side are connected with the first steel box main arch rib (3), and the upper ends of the hanging rods (14) on the other side are connected with the second steel box main arch rib (4);
the pier column (1) is provided with a column (15), and the upper part of the column (15) is matched with the main beam (9);
an edge-span triangle (16) is formed among the main girder (9), the main arch (10) and the balance arch (8);
The connection part of the first steel box auxiliary arch rib (5) and the first steel box main arch rib (3) is close to the main arch (10), and the connection part of the second steel box auxiliary arch rib (6) and the second steel box main arch rib (4) is close to the main arch (10).
2. A mid-span tied-arch bridge according to claim 1, wherein: the extending direction of the upper end of the balance arch (8) is opposite to the extending direction of the upper end of the main arch (10).
3. A mid-span tied-arch bridge according to claim 1, wherein: the main arch (10) is a reinforced concrete structure.
4. A mid-span tied-arch bridge according to claim 1, wherein: the suspender (14) is made of steel strand wires, and the arch rib connecting piece (11) is made of steel pipes.
5. A mid-span tied-arch bridge according to claim 1, wherein: the girder is the steel-concrete structure, and the lower part is the steel case structure, and the decking is concrete structure, and concrete decking passes through the shear force key with the steel case and connects.
6. A mid-span tied-arch bridge according to claim 1, wherein: the suspender (14) is connected with the sleeve (13) through an anchor, and the sleeve (13) is welded on the main beam (9).
7. A mid-span tied-arch bridge according to claim 1, wherein: the number of arch rib connecting pieces (11) is multiple, and the number of sleeves (13) is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793315.1A CN111945541B (en) | 2020-08-10 | 2020-08-10 | Middle-bearing type tie-bar arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793315.1A CN111945541B (en) | 2020-08-10 | 2020-08-10 | Middle-bearing type tie-bar arch bridge |
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| Publication Number | Publication Date |
|---|---|
| CN111945541A CN111945541A (en) | 2020-11-17 |
| CN111945541B true CN111945541B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010793315.1A Active CN111945541B (en) | 2020-08-10 | 2020-08-10 | Middle-bearing type tie-bar arch bridge |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681107A (en) * | 2020-12-30 | 2021-04-20 | 林同棪国际工程咨询（中国）有限公司 | Arch bridge with transversely stretched tie rod rope |
| CN112627014B (en) * | 2021-01-21 | 2025-04-08 | 福州大学 | A stiffened longitudinal beam structure and construction method for enhancing the robustness of a mid-through arch suspension bridge system |
| CN113605211A (en) * | 2021-07-05 | 2021-11-05 | 中铁第四勘察设计院集团有限公司 | Suspension type monorail continuous rigid frame arch bridge |
| CN114016434B (en) * | 2021-12-29 | 2024-10-29 | 山东天齐置业集团股份有限公司 | Construction method of double-arch bridge with large-span space torsion cross section |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212316642U (en) * | 2020-08-10 | 2021-01-08 | 詹刚毅 | Half-through tied arch bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205399177U (en) * | 2016-02-24 | 2016-07-27 | 广东省交通规划设计研究院股份有限公司 | It promotes arched bridge wholly to assemble transportation by driving |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212316642U (en) * | 2020-08-10 | 2021-01-08 | 詹刚毅 | Half-through tied arch bridge |
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