CN112813796A - Horizontal self-balancing device of basket inward-inclined arch bridge - Google Patents
Horizontal self-balancing device of basket inward-inclined arch bridge Download PDFInfo
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- CN112813796A CN112813796A CN202110015891.8A CN202110015891A CN112813796A CN 112813796 A CN112813796 A CN 112813796A CN 202110015891 A CN202110015891 A CN 202110015891A CN 112813796 A CN112813796 A CN 112813796A
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- tie beam
- bridge
- arch
- balancing device
- basket
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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
- E01D4/00—Arch-type bridges
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a transverse self-balancing device of a basket inward-inclined arch bridge, which comprises two bridge arch seats, a tie beam and a steel strand, wherein the tie beam is arranged between the two bridge arch seats, one end of the tie beam is fixedly connected with one of the bridge arch seats, the other end of the tie beam is fixedly connected with the other bridge arch seat, one end of the steel strand is fixedly connected with one of the bridge arch seats, and the other end of the steel strand penetrates through the tie beam and is fixedly connected with the other bridge arch seat; the invention has the beneficial effects that: the transverse self-balancing device for the basket inward-inclined arch bridge solves the influence of the horizontal component force of the basket inward-inclined arch base through the tensioning action of the tie beam and the steel strand between the arch bases, and can expand the application range of arch bridge construction to wide plain and municipal engineering areas.
Description
Technical Field
The invention belongs to the field of bridge engineering construction, and particularly relates to a transverse self-balancing device of a basket inward-inclined arch bridge.
Background
With the continuous development of arch bridge technology in China, the linear landscape arch bridge is continuously applied, wherein the basket inward-inclined arch bridge is widely applied with the beautiful linear shape.
The traditional arch bridge arch rib is linear, the load of the traditional arch bridge arch rib only has horizontal component force in the longitudinal direction, partial offset can be carried out by tensioning through arranging a longitudinal tie bar, the basket inward-inclined arch bridge is mostly designed in a mountain area, and the horizontal separation of the arch bridge arch rib occurs, and the stress balance is carried out through rocks on a hillside. But in plain areas, the basket type inward-inclined arch bridge is designed, and obviously hard rocks are not used as a mechanical balance counteracting system.
Disclosure of Invention
The main purpose of this application is to provide a horizontal self-balancing unit of tilt arch bridge in hand-basket, through set up the steel strand wires between the hunch seat to through the structure of straining beam protection steel strand wires between the arch, offset the horizontal outside component force of hand-basket formula.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a transverse self-balancing device of a basket inward-inclined arch bridge, which comprises two bridge arch seats, a tie beam and a steel strand, wherein the tie beam is arranged between the two bridge arch seats, one end of the tie beam is fixedly connected with one of the bridge arch seats, the other end of the tie beam is fixedly connected with the other bridge arch seat, one end of the steel strand is fixedly connected with one of the bridge arch seats, and the other end of the steel strand penetrates through the tie beam and is fixedly connected with the other bridge arch seat.
In the above transverse self-balancing device for the basket inward-inclined arch bridge, as a preferred embodiment, the shape of the tie beam is cylindrical, rectangular or trapezoidal platform.
As a preferred embodiment, the tie beam is in a trapezoidal table shape, and two parallel surfaces of the tie beam are respectively connected with two bridge arch seats.
As a preferred embodiment, the tie beam is a trapezoidal table-shaped tie beam with a hollow interior and surrounded by steel mesh sheets, and concrete is poured into the tie beam. In order to achieve a certain degree of firmness, the concrete pouring degree is wrapped by the reinforcing mesh.
As a preferred embodiment, the corrugated pipe is arranged inside the tie beam, the corrugated pipe extends from one of two parallel surfaces of the tie beam to the other, and the steel strand penetrates through the corrugated pipe and is fixedly connected with the bridge abutment. Before concrete pouring, the corrugated pipe is pre-embedded in the tie beam.
As a preferred embodiment, the number of the steel strands is 4-6, and 4-6 steel strands are uniformly distributed in the tie beam.
As a preferred embodiment, the tension of the steel strand is 1860Mpa × 0.75.
As a preferred embodiment, the areas of two parallel surfaces of the trapezoidal platform-shaped tie beam are respectively 4m2、9m2。
Compared with the prior art, the invention has the beneficial effects that: the transverse self-balancing device for the basket inward-inclined arch bridge solves the influence of the horizontal component force of the basket inward-inclined arch base through the tensioning action of the tie beam and the steel strand between the arch bases, and can expand the application range of arch bridge construction to wide plain and municipal engineering areas.
Drawings
FIG. 1 is a schematic structural diagram of a transverse self-balancing device of a basket inward-inclined arch bridge according to the invention;
FIG. 2 is a cross-sectional view of a tie beam of the transverse self-balancing device of the basket inward-inclined arch bridge of the invention;
in the figure: 1. an arch support; 2. tying a beam; 3. a bearing platform; 4. and (4) steel strands.
Detailed Description
In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to examples, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
A transverse self-balancing device of a basket inward-inclined arch bridge comprises two bridge arch seats, a tie beam and a steel strand with the tension of 1860Mpa multiplied by 0.75, wherein the tie beam is arranged between the two bridge arch seats, one end of the tie beam is fixedly connected with one of the bridge arch seats, the other end of the tie beam is fixedly connected with the other bridge arch seat, one end of the steel strand is fixedly connected with one of the bridge arch seats, and the other end of the steel strand penetrates through the tie beam and is fixedly connected with the other bridge arch seat;
the shape of the tie beam can be cylindrical, cuboid or trapezoidal platform;
as a preferred embodiment, the tie beam is in the shape of a trapezoid table, two parallel surfaces of the tie beam are respectively connected with two bridge arch supports, and the areas of the two parallel surfaces of the trapezoid table-shaped tie beam are respectively 4m2、9m2。
The tie beam is a trapezoidal platform-shaped tie beam with a hollow inner part formed by encircling reinforcing steel bar meshes, in order to enable the tie beam to have certain stress, concrete is poured into the tie beam (the pouring mode of the concrete is that a concrete tank truck is directly unloaded and poured by a pump truck, the uniformity and the slump of the concrete are checked firstly after the concrete arrives at the site, the concrete can be used after the concrete is qualified, the concrete is poured obliquely and hierarchically, the concrete is vibrated hierarchically, the pouring thickness of each layer is 30cm, an inserted vibrating bar is adopted for vibrating in time along with the pouring of the concrete in the pouring process, the moving distance of the vibrating bar is not more than 1.5 times of the acting radius of the vibrating bar when the vibrating bar vibrates, the distance between the vibrating bar and a template is kept between 5 and 10cm during the vibrating process, the vibrating bar cannot be directly or indirectly vibrated by the reinforcing steel bars, the upper concrete is vibrated, the vibrating bar is inserted into the lower concrete by 5 to 10cm, and after each vibrating place is finished, the vibrating rod should be slowly pulled out.
Before concrete is poured, a corrugated pipe is arranged in a tie beam, the corrugated pipe extends from one surface of two parallel surfaces of the tie beam to the other surface, the steel stranded wires penetrate through the corrugated pipe and are fixedly connected with a bridge arch support, as a preferred embodiment, the number of the steel stranded wires can be 4, 5 or 6, and the steel stranded wires are uniformly distributed in the tie beam.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a horizontal self-balancing unit of basket inward-inclining arched bridge, its characterized in that includes two bridge hunches, tie beam, steel strand wires, the tie beam sets up between two bridge hunches, the one end and one of them bridge hunch fixed connection of tie beam, the other end and another bridge hunch fixed connection of tie beam, the one end and one of them bridge hunch fixed connection of steel strand wires, the other end of steel strand wires passes tie beam and another bridge hunch fixed connection.
2. The transverse self-balancing device of a basket inward-inclined arch bridge as claimed in claim 1, wherein the tie beam is cylindrical, rectangular or trapezoidal in shape.
3. The transverse self-balancing device of the basket inward-inclined arch bridge as claimed in claim 2, wherein the tie beam is in a trapezoidal platform shape, and two parallel faces of the tie beam are respectively connected with two bridge abutments.
4. The transverse self-balancing device of the basket inward-inclined arch bridge as claimed in claim 3, wherein the tie beam is a trapezoidal platform-shaped tie beam with a hollow inner part surrounded by steel mesh sheets, and concrete is poured into the inner part of the tie beam.
5. The transverse self-balancing device of a basket inward-inclined arch bridge as claimed in claim 4, wherein the inner part of the tie beam is provided with a corrugated pipe, the corrugated pipe extends from one surface to the other surface of the two parallel surfaces of the tie beam, and the steel strand penetrates through the corrugated pipe to be fixedly connected with the bridge abutment.
6. The transverse self-balancing device of the basket inward-inclined arch bridge as claimed in claim 5, wherein the number of the steel strands is 4-6, and 4-6 steel strands are uniformly distributed in the tie beam.
7. The transverse self-balancing device of the basket inward-inclined arch bridge of claim 6, wherein the tension of the steel strand is 1860Mpa x 0.75.
8. The transverse self-balancing device of the basket inward-inclined arch bridge as claimed in claim 7, wherein the areas of the two parallel surfaces of the trapezoidal platform-shaped tie beam are respectively 4m2、9m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015891.8A CN112813796A (en) | 2021-01-06 | 2021-01-06 | Horizontal self-balancing device of basket inward-inclined arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015891.8A CN112813796A (en) | 2021-01-06 | 2021-01-06 | Horizontal self-balancing device of basket inward-inclined arch bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112813796A true CN112813796A (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110015891.8A Pending CN112813796A (en) | 2021-01-06 | 2021-01-06 | Horizontal self-balancing device of basket inward-inclined arch bridge |
Country Status (1)
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| CN (1) | CN112813796A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984189A (en) * | 2010-11-10 | 2011-03-09 | 中交第二航务工程局有限公司 | Construction method of large steel concrete composite multi-terrace slope skewback |
| KR20160101258A (en) * | 2015-02-16 | 2016-08-25 | 금오공과대학교 산학협력단 | slab integrated arch bridge using ultra high strength concrete and construction method |
| CN107100094A (en) * | 2017-06-14 | 2017-08-29 | 沈阳建筑大学 | A kind of continuous rigid frame bridge tied arch ruggedized construction and its construction method |
| CN107893366A (en) * | 2017-11-15 | 2018-04-10 | 大连市市政设计研究院有限责任公司 | A kind of bridge skewback |
| CN211368337U (en) * | 2019-10-24 | 2020-08-28 | 中铁第四勘察设计院集团有限公司 | Eagle type concrete filled steel tube turning arch bridge |
-
2021
- 2021-01-06 CN CN202110015891.8A patent/CN112813796A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984189A (en) * | 2010-11-10 | 2011-03-09 | 中交第二航务工程局有限公司 | Construction method of large steel concrete composite multi-terrace slope skewback |
| KR20160101258A (en) * | 2015-02-16 | 2016-08-25 | 금오공과대학교 산학협력단 | slab integrated arch bridge using ultra high strength concrete and construction method |
| CN107100094A (en) * | 2017-06-14 | 2017-08-29 | 沈阳建筑大学 | A kind of continuous rigid frame bridge tied arch ruggedized construction and its construction method |
| CN107893366A (en) * | 2017-11-15 | 2018-04-10 | 大连市市政设计研究院有限责任公司 | A kind of bridge skewback |
| CN211368337U (en) * | 2019-10-24 | 2020-08-28 | 中铁第四勘察设计院集团有限公司 | Eagle type concrete filled steel tube turning arch bridge |
Non-Patent Citations (1)
| Title |
|---|
| 卢永成等: "上海市黄浦江卢浦大桥主桥基础设计", 《上海公路》 * |
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Application publication date: 20210518 |