CN111074775A - Assembled suspension bridge tower - Google Patents
Assembled suspension bridge tower Download PDFInfo
- Publication number
- CN111074775A CN111074775A CN202010010628.5A CN202010010628A CN111074775A CN 111074775 A CN111074775 A CN 111074775A CN 202010010628 A CN202010010628 A CN 202010010628A CN 111074775 A CN111074775 A CN 111074775A
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- steel
- bridge tower
- prefabricated
- concrete
- steel plate
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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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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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
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
Abstract
The invention relates to an assembled suspension cable bridge tower, which comprises a bridge tower foundation, a steel beam and one or more prefabricated cylinder sections, wherein the bridge tower foundation is fixedly connected with the prefabricated cylinder sections by means of bottom anchor bolts arranged on the bridge tower foundation, the adjacent prefabricated cylinder sections are fixedly connected by reinforcing rings and bolts, namely the reinforcing rings are arranged between the upper layer and the lower layer of the prefabricated steel pipe concrete column and the steel plate concrete combined cylinder sections, the upper steel pipe concrete and the lower steel plate concrete combined cylinder sections are fixed by the reinforcing rings by using bolts, and the prefabricated cylinder sections are assembled and connected by using the steel beam to form the bridge tower. The invention can fully utilize the characteristics of good tensile and bending resistance of steel, the compression resistance of concrete is good, and the steel member restrains the concrete from moving laterally, so that the concrete is in a three-dimensional compressed state; all used components can be prefabricated in a factory and transported to a construction site for assembly, the operation intensity of the construction site is low, the material stacking site is few, and the construction site environment is protected.
Description
Technical Field
The invention belongs to the field of bridge engineering, and particularly relates to an assembled suspension bridge tower and a construction method thereof.
Background
At present, most bridges of China are composed of reinforced concrete abutment, cast-in-place concrete bridge piers, cast-in-place concrete bridge decks and precast concrete beams, the cast-in-place concrete has the defects of self weight, large time consumption for construction, serious energy consumption, troublesome transportation and construction process and the like, the steel pipe concrete is used as a pressure-bearing member of the bridge, and the steel pipe not only has the functions of templates and reinforcing steel bars during construction, but also has the advantages of large rigidity, high bearing capacity, light weight, convenience in transportation and the like of the hollow steel pipe framework after processing and forming.
Disclosure of Invention
In order to solve the above problems, the present invention provides an assembled suspension bridge tower and a construction method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention relates to an assembled suspension cable bridge tower, which comprises a bridge tower foundation, a steel beam and one or more prefabricated cylinder sections, wherein the bridge tower foundation is fixedly connected with the prefabricated cylinder sections by means of bottom anchor bolts arranged on the bridge tower foundation, the adjacent prefabricated cylinder sections are fixedly connected by reinforcing rings and bolts, namely the reinforcing rings are arranged between the upper layer and the lower layer of the prefabricated steel pipe concrete column and the steel plate concrete combined cylinder sections, the upper steel pipe concrete and the lower steel plate concrete combined cylinder sections are fixed by the reinforcing rings by using bolts, and the prefabricated cylinder sections are assembled and connected by using the steel beam to form the bridge tower.
The invention is further improved in that: the prefabricated barrel segment comprises a steel tube concrete column, a steel beam, a double-wall steel plate and a plurality of shear connectors, wherein concrete is poured in the middle of the double-wall steel plate, the shear connectors are fixed on the inner wall of the double-wall steel plate, a foundation mat steel plate is arranged at the bottom of the steel tube concrete column, the area of the foundation mat steel plate is larger than the area of the cross section of the steel tube concrete column, and a connecting hole is formed in the foundation mat steel plate outside the projection area of the main body of the steel tube concrete column.
The invention is further improved in that: the shear connectors are studs, the tips of the studs are welded on the double-wall steel plate, and the studs are arranged in a staggered manner.
The invention is further improved in that: the shear connectors are stiffening ribs, the stiffening ribs are welded in the direction parallel to the double-wall steel plate, and the stiffening ribs are arranged in a staggered manner.
The invention is further improved in that: the girder steel is the honeycomb girder steel, and honeycomb girder steel web department is equipped with a plurality of equidistant holes, and the dislocation overlap joint is all fixed with high strength bolt from top to bottom the honeycomb girder steel.
The invention is further improved in that: set up foraminiferous bar steel sheet between girder steel and the beaded finish, foraminiferous bar steel sheet is with bolted connection beaded finish and girder steel.
The invention is further improved in that: the steel beam is a honeycomb beam, the hole shape of the honeycomb beam can be circular, square or oval, the upper part and the lower part of the honeycomb beam are in staggered lap joint, the web plate with holes at the edge of the honeycomb beam extends into the concrete filled steel tube reinforcing ring and is fixed with the strip-shaped steel plate with holes in the reinforcing ring by bolts, and the strip-shaped steel plate with holes is arranged in a reverse direction in a staggered mode.
The invention is further improved in that: and when the cross section of the upper prefabricated cylinder body segment is smaller than that of the lower prefabricated cylinder body segment, inserting the concrete filled steel tubular column of the upper prefabricated cylinder body segment into the concrete filled steel tubular column of the lower prefabricated cylinder body segment, and pouring concrete to fill and level.
The invention is further improved in that: the steel beam is connected with the cylinder segments at two sides of the bridge tower and is a box beam, a honeycomb beam or a truss and the like.
The invention is further improved in that: the cross section of the prefabricated steel pipe concrete column is square, circular or elliptical, the reinforcing ring is square or circular, and the upper prefabricated cylinder body section and the lower prefabricated cylinder body section are fixed by high-strength bolts during assembling.
The invention has the beneficial effects that: (1) the invention can give full play to material performance, because the design considers the joint work of the steel pipe, the concrete, the steel plate and the concrete, the invention can fully utilize the characteristics of good tensile and bending resistance of steel, and the compression resistance of the concrete is good, the steel member restrains the concrete from moving laterally, so that the concrete is in a three-dimensional compression state; the design gives full play to the advantages of the combination of the two; (2) the invention reduces the self weight of the structure, and the cylinder structure combined by the steel tube concrete column and the steel plate concrete can reduce the self weight of the structure relative to a reinforced concrete structure and improve the bearing capacity; (3) the invention has convenient construction and saves construction time, and all the used components can be prefabricated in a factory and transported to a construction site for assembly. The construction site has low operation intensity, short construction period, low noise and less material stacking places, and is beneficial to protecting the environment of the construction site.
Drawings
FIG. 1 is a schematic diagram of the structure of a bridge tower of the present invention.
Figure 2 is a schematic cross-sectional view of a bridge tower of the present invention.
FIG. 3 is a schematic diagram of the main column of the present invention.
FIG. 4 is a schematic cross-sectional view of the main column of the present invention.
Fig. 5 is a schematic view of a double-walled steel plate in the case where the shear connector of the present invention is a peg 9.
FIG. 6 is a schematic view of the connection of the upper and lower steel beams in the cylinder according to the present invention.
FIG. 7 is a schematic view of the connection of upper and lower reinforcement rings in the cartridge of the present invention.
Fig. 8 is a schematic view of the high strength bolt of the present invention.
FIG. 9 is a schematic view of the connection of the upper and lower cartridges of the present invention.
FIG. 10 is a schematic view of the upper and lower connection of the bridge tower of the present invention.
FIG. 11 is a schematic view of a double-walled steel plate when the shear connector of the present invention is a stiffener 11.
Wherein: 1-a bridge tower foundation; 2-prefabricating a cylinder segment; 3-a steel beam; 4-base backing steel plate; 5-bottom anchor bolts; 6-steel pipe; 7-double-walled steel plate; 8-a reinforcement ring; 9-a steel beam; 10-studs; 11-a stiffener; 12-a strip steel plate with holes; 13-high strength bolts; 14-bolt holes; 15-bottom steel plate.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the embodiments of the invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
As shown in figures 1-11, the invention is an assembled suspension cable bridge tower, which comprises a bridge tower foundation 1, a steel beam 3 and one or more prefabricated steel pipe concrete columns and steel plate concrete combined prefabricated cylinder sections 2 from bottom to top, wherein the bridge tower foundation 1 and the prefabricated cylinder sections 2 are fixedly connected by means of bottom anchor bolts 5 arranged on the bridge tower foundation 1, adjacent prefabricated cylinder sections 2 are fixedly connected by reinforcing rings 8 and bolts, namely the prefabricated steel pipe concrete columns and the steel plate concrete combined cylinder sections are provided with the reinforcing rings between the upper layer and the lower layer, the reinforcing rings are used for fixing the upper steel pipe concrete and steel plate concrete combined cylinder sections by bolts to assemble the prefabricated cylinder sections 2 and are connected by the steel beam 3 to form the bridge tower, the prefabricated cylinder sections 2 comprise steel pipe concrete columns 6 and steel beams 9, The concrete is poured between the double-wall steel plate 7 and a plurality of shear connectors, the shear connectors are all fixed on the inner wall of the double-wall steel plate 7, the foundation mat steel plate 4 is arranged at the bottom of the steel tube concrete column 6, the area of the foundation mat steel plate 4 is larger than the cross section area of the steel tube concrete column 6, connecting holes are arranged on the foundation mat steel plate 4 outside the main body projection area of the steel tube concrete column 6 corresponding to the bottom anchor bolts 5, as shown in figures 5 and 11, the shear connectors are all studs 10, the tips of the studs 10 are welded on the double-wall steel plate 7, the studs 10 are arranged in a staggered manner or the shear connectors are stiffening ribs 11, the stiffening ribs 11 are welded in a direction parallel to the double-wall steel plate 7, the stiffening ribs 11 are arranged in a staggered manner, as shown in figures 6-9, the steel beams 9 are all honeycomb steel beams, and a plurality of equidistant holes are arranged at the web of, the honeycomb steel beam is fixed by high-strength bolts 13 in a vertically staggered overlapping mode, a perforated strip-shaped steel plate 12 is arranged between the steel beam 9 and the reinforcing ring 8, the perforated strip-shaped steel plate 12 is connected with the reinforcing ring 8 and the steel beam 9 through bolts, the steel beam 9 is a honeycomb beam, the hole shape of the honeycomb beam can be circular, square or oval, the upper portion and the lower portion of the honeycomb beam are in staggered overlapping, a perforated web plate at the edge of the honeycomb beam extends into the steel pipe concrete reinforcing ring 8 and is fixed with the perforated strip-shaped steel plate 12 in the reinforcing ring 8 through bolts, the perforated strip-shaped steel plate 12 is arranged in a reverse staggered mode, the cross section of the prefabricated cylinder section 2 above is 2 hours longer than that of the prefabricated cylinder section below, the steel pipe concrete column of the prefabricated cylinder section 2 above is inserted into the steel pipe concrete column of the prefabricated cylinder section 2 below, the steel column is filled with concrete, the steel beam 3 is connected, the prefabricated concrete-filled steel tube column is a box-shaped beam, a honeycomb beam or a truss and the like, the cross section of the prefabricated concrete-filled steel tube column 6 is square, circular or elliptical, the reinforcing ring 8 is square or circular, and the upper prefabricated cylinder body section 2 and the lower prefabricated cylinder body section 2 are fixed by high-strength bolts during assembly.
The manufacturing method of each component of the fabricated suspension bridge tower in the embodiment, as shown in fig. 1, includes the following steps:
(1) manufacturing a steel tube concrete column and steel plate concrete combined cylinder bottom end segment: manufacturing a steel pipe 6 according to design requirements, and welding the steel pipe 6 on the foundation mat steel plate 4; welding the reinforcing ring 8 to the upper end and the lower end of the column, and connecting the reinforcing ring with the steel beam 9 through high-strength bolts 13; welding a double-wall steel plate 7 and a steel pipe 6 with a steel beam 9, wherein the inner welding shear resistant connecting piece is a stud 10 or a stiffening rib 11, and concrete is poured into the inner welding shear resistant connecting piece to form a cylinder body segment;
(2) manufacturing a middle section of the steel pipe concrete and steel plate concrete combined cylinder body: manufacturing a steel pipe 6 according to design requirements, welding a reinforcing ring 8 to the upper end and the lower end of the column, and connecting the reinforcing ring with a steel beam 9 through a high-strength bolt 13; welding a double-wall steel plate 7 and a steel pipe 6 with a steel beam 9, welding shear connectors in the steel plate, arranging the steel plate and the steel pipe in a staggered manner, and pouring concrete in the steel plate to form a cylinder segment;
(3) pre-burying a bottom anchor bolt 5 on the foundation 1 of the foundation bridge tower;
(4) fixing the prefabricated cylinder segment 2 on the bridge tower foundation 1 through the embedded bottom anchor bolt 5;
(5) connecting upper and lower prefabricated cylinder segments: the upper and lower steel pipe concrete columns are connected through a reinforcing ring 8 and fixed by a high-strength bolt 13; the steel beam 9 is a honeycomb beam, holes are formed in the web plate, and the web plate is in staggered lap joint up and down and is fixed by a high-strength bolt 13;
(6) injecting concrete from top to bottom through the top end of the steel tube concrete column;
(7) the steel beam 3 is connected with the prefabricated cylinder sections 2 of the main towers at two sides;
(8) connecting the main towers with different upper and lower cross-sectional areas: and (3) welding a bottom plate 15 at the bottom of the upper steel pipe column, inserting the bottom plate into the lower steel pipe column, and pouring concrete to fill and level.
It is obvious to those skilled in the art that the present invention is not limited to the above embodiments, and it is within the scope of the present invention to adopt various insubstantial modifications of the method concept and technical scheme of the present invention, or to directly apply the concept and technical scheme of the present invention to other occasions without modification.
Claims (10)
1. The utility model provides an assembled suspension cable bridge tower, includes bridge tower basis (1), steel crossbeam (3) and one or more prefabricated barrel festival section (2), bridge tower basis (1) with prefabricated barrel festival section (2) are in with the help of setting up bottom anchor bolt (5) fixed connection on bridge tower basis (1), adjacent even a plurality of through beaded finish (8) and bolt fixed connection between prefabricated barrel festival section (2), it can constitute the bridge tower to assemble and connect with steel crossbeam (3) prefabricated barrel festival section (2).
2. A fabricated suspension bridge tower as defined in claim 1, wherein: the prefabricated cylinder body segment (2) comprises a steel tube concrete column (6), a steel beam (9), a double-wall steel plate (7) with concrete poured in the middle and a plurality of shear connectors, the shear connectors are fixed on the inner wall of the double-wall steel plate (7), a foundation cushion steel plate (4) is arranged at the bottom of the steel tube concrete column (6), the area of the foundation cushion steel plate (4) is larger than the cross section area of the steel tube concrete column (6), and a connecting hole is formed in the foundation cushion steel plate (4) outside the main body projection area of the steel tube concrete column (6) and corresponds to the bottom anchor bolt (5).
3. A fabricated suspension bridge tower as defined in claim 2, wherein: the shear connectors are studs (10), the tips of the studs (10) are welded on the double-wall steel plate (7), and the studs (10) are arranged in a staggered mode.
4. A fabricated suspension bridge tower as defined in claim 2, wherein: the shear connectors are stiffening ribs (11), the stiffening ribs (11) are welded in a direction parallel to the direction of the double-wall steel plate (7), and the stiffening ribs (11) are arranged in a staggered mode.
5. A fabricated suspension bridge tower as defined in claim 2, wherein: girder steel (9) are the honeycomb girder steel, and honeycomb girder steel web department is equipped with a plurality of equidistant holes, the dislocation overlap joint is all fixed with high strength bolt (13) about the honeycomb girder steel.
6. A fabricated suspension bridge tower as defined in claim 2, wherein: the steel beam (9) and the reinforcing ring (8) are provided with a strip-shaped steel plate with holes (12), and the strip-shaped steel plate with holes (12) is connected with the reinforcing ring (8) and the steel beam (9) through bolts.
7. The fabricated suspension bridge tower of claim 6, wherein: the steel beam (9) is a honeycomb beam, the hole shape of the honeycomb beam can be circular, square or oval, the upper part and the lower part of the honeycomb beam are in staggered lap joint, a perforated web plate at the edge of the honeycomb beam extends into the concrete filled steel tube reinforcing ring (8) and is fixed with a strip-shaped steel plate (12) with holes in the reinforcing ring (8) by bolts, and the strip-shaped steel plate (12) with holes is arranged in a staggered mode in the opposite direction.
8. A fabricated suspension bridge tower as defined in claim 2, wherein: when the cross section of the upper prefabricated cylinder body segment (2) is smaller than that of the lower prefabricated cylinder body segment (2), the concrete filled steel tubular column of the upper prefabricated cylinder body segment (2) is inserted into the concrete filled steel tubular column of the lower prefabricated cylinder body segment (2), and concrete is poured and filled.
9. A fabricated suspension bridge tower as defined in claim 2, wherein: the steel cross beam (3) is connected with the cylinder sections at two sides of the bridge tower and is a box beam, a honeycomb beam or a truss and the like.
10. A fabricated suspension bridge tower as defined in claim 1, wherein: the cross section of the prefabricated steel pipe concrete column (6) is square, circular or elliptical, the reinforcing ring (8) is square or circular, and the prefabricated cylinder body sections (2) are fixed by high-strength bolts when assembled from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010010628.5A CN111074775A (en) | 2020-01-06 | 2020-01-06 | Assembled suspension bridge tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010010628.5A CN111074775A (en) | 2020-01-06 | 2020-01-06 | Assembled suspension bridge tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111074775A true CN111074775A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010010628.5A Pending CN111074775A (en) | 2020-01-06 | 2020-01-06 | Assembled suspension bridge tower |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699884A (en) * | 2021-08-27 | 2021-11-26 | 四川省公路规划勘察设计研究院有限公司 | Rectangular concrete-filled steel tube cable tower adopting prefabricated web plates |
| CN114059447A (en) * | 2021-11-25 | 2022-02-18 | 四川省公路规划勘察设计研究院有限公司 | Steel pipe concrete bridge tower and construction method thereof |
| CN114313127A (en) * | 2022-01-13 | 2022-04-12 | 东北石油大学 | Fabricated FRP concrete combined guyed tower type damping platform group and construction method thereof |
| CN114348198A (en) * | 2022-01-13 | 2022-04-15 | 东北石油大学 | Fabricated FRP concrete combined guyed tower type small displacement platform and construction method thereof |
-
2020
- 2020-01-06 CN CN202010010628.5A patent/CN111074775A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699884A (en) * | 2021-08-27 | 2021-11-26 | 四川省公路规划勘察设计研究院有限公司 | Rectangular concrete-filled steel tube cable tower adopting prefabricated web plates |
| CN114059447A (en) * | 2021-11-25 | 2022-02-18 | 四川省公路规划勘察设计研究院有限公司 | Steel pipe concrete bridge tower and construction method thereof |
| CN114313127A (en) * | 2022-01-13 | 2022-04-12 | 东北石油大学 | Fabricated FRP concrete combined guyed tower type damping platform group and construction method thereof |
| CN114348198A (en) * | 2022-01-13 | 2022-04-15 | 东北石油大学 | Fabricated FRP concrete combined guyed tower type small displacement platform and construction method thereof |
| CN114313127B (en) * | 2022-01-13 | 2024-03-26 | 东北石油大学 | Assembled FRP concrete combined guy cable tower type damping platform group and construction method thereof |
| CN114348198B (en) * | 2022-01-13 | 2024-04-05 | 东北石油大学 | Assembled FRP concrete combined guyed tower type small displacement platform and construction method |
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