CN215164740U - Supporting structure for suspended installation of steel-concrete combined section of inclined steel tower column of bridge - Google Patents
Supporting structure for suspended installation of steel-concrete combined section of inclined steel tower column of bridge Download PDFInfo
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- CN215164740U CN215164740U CN202120838653.2U CN202120838653U CN215164740U CN 215164740 U CN215164740 U CN 215164740U CN 202120838653 U CN202120838653 U CN 202120838653U CN 215164740 U CN215164740 U CN 215164740U
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Abstract
The utility model relates to a supporting structure for the suspended installation of a steel-concrete combined section of a bridge inclined steel tower column, wherein a bearing bracket is arranged below a steel structure shell of the steel-concrete combined section, and the upper end of the bearing bracket is welded with a steel reinforcement framework of the steel-concrete combined section; supporting an anti-tilting bracket on the inner side of the bridge of the reinforced concrete combined section; and after the angle of the concrete of the steel-concrete combined section is adjusted, pouring the bearing support into the concrete to form a part of the steel-concrete combined section. The bearing support, the anti-tilting support and the reinforced concrete combined section are stressed in a multi-point contact manner, and positioning error fine adjustment can be performed during installation of the reinforced concrete combined section, so that the installation accuracy of the reinforced concrete combined section is ensured; vertical force and lateral overturning force during installation of the reinforced concrete section can be completely borne, and safety guarantee is provided for construction.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, a suspension bridge or cable-stay bridge's cable-stayed tower is at the installation of bridge floor, concretely relates to a bearing structure that is used for the unsettled installation of bridge slope steel tower post steel-concrete joint section.
Background
The lower part of a steel structure inclined tower column of a suspension bridge or a cable-stayed bridge is generally a steel-concrete combined section, when the tower column is constructed on a bridge floor, a tower column base is usually poured in advance on the bridge floor, the top surface of the base is inclined according to a preset angle and a steel plate is embedded, the steel-concrete combined section of the tower column is poured in advance and then is welded on the base directly, and the problem that once the top surface of the base or the bottom surface of the tower column has an accuracy error, field adjustment is very difficult is solved.
One of the solutions to solve the above problems is to mount the reinforced concrete joint section of the tower column in a suspended manner, adjust the mounting accuracy of the reinforced concrete joint section in the air to meet the requirements, and then cast the reinforced concrete joint section on the base in situ, but the problem that how to ensure the stability of the reinforced concrete joint section during suspended mounting construction comes along with the reinforced concrete joint section.
Disclosure of Invention
The utility model aims at providing a bearing structure that is used for the unsettled installation of bridge slope steel tower post steel-concrete bonding section guarantees that the unsettled installation of steel-concrete bonding section is under construction and goes on smoothly.
The technical scheme of the utility model as follows:
the utility model provides a bearing structure that is used for unsettled installation of bridge slope steel tower post steel-concrete joint section is equipped with the column tower base on the bridge floor, the steel-concrete joint section includes steel structure shell, is equipped with steel reinforcement framework, its characterized in that in the steel structure shell: comprises a bearing bracket and an anti-inclining bracket; the bearing support comprises two rows of bearing vertical rods arranged along the bridge direction, the lower end of each bearing vertical rod is welded with an embedded part at the top of a tower column support on the bridge floor, two layers of cross rods are welded between the bearing vertical rods along the bridge direction and the transverse bridge direction, a steel-concrete combined section is supported on the bearing support according to a preset inclination angle, and the upper end of the bearing vertical rod of the bearing support is welded with a steel reinforcement framework of the steel-concrete combined section; the anti-tilting support comprises a row of vertical rods and a row of inclined vertical rods which are arranged along the bridge direction, the lower ends of the vertical rods and the inclined vertical rods are welded with embedded parts arranged on the bridge floor respectively, a flat connecting rod is welded between the vertical rods and between the inclined vertical rods along the bridge direction, a transverse supporting rod is welded between the opposite vertical rods and the inclined vertical rods along the bridge direction, the vertical rods are close to the reinforced concrete combined section, one end of the transverse supporting rod extends to the outer sides of the vertical rods, and the transverse supporting rod is supported on one side, facing the inside of the bridge, of a steel structure shell of the reinforced concrete combined section.
The bearing support, the anti-tilting support and the reinforced concrete combined section of the utility model are stressed in a multipoint contact way, and the positioning error fine adjustment can be carried out on the reinforced concrete combined section at multiple points, so as to ensure the installation precision of the reinforced concrete combined section; vertical force and lateral overturning force during installation of the reinforced concrete section can be completely borne, and safety guarantee is provided for construction.
Drawings
Fig. 1 is a schematic elevation structure of the present invention;
fig. 2 is a schematic plan view of the present invention;
fig. 3 is a schematic diagram of the state after the installation of the reinforced concrete joint section is completed by adopting the utility model.
Detailed Description
As shown in fig. 1 and 2, a tower column base 1 is poured on the bridge deck in advance, the top surface of the tower column base is inclined according to the design angle of the steel-concrete combined section, and a connecting steel plate is embedded in the tower column base; the reinforced concrete combined section is positioned above the base and comprises a steel structure shell 2, and a steel reinforcement framework 3 is arranged in the steel structure shell; the bottom of the reinforced concrete combining section is provided with a bearing support, and an anti-tilting support is arranged towards the inner side of the bridge; the bearing support comprises two rows of bearing vertical rods 4 arranged along the bridge direction, the lower end of each bearing vertical rod is welded with an embedded part at the top of a tower column support on the bridge floor, two layers of cross rods 5 are welded between the bearing vertical rods along the bridge direction and the transverse bridge direction, a steel-concrete combined section is supported on the bearing support according to a preset inclination angle, and the upper ends of the bearing vertical rods 4 of the bearing support are welded with a steel reinforcement framework 3 of the steel-concrete combined section; the anti-tilting support comprises a row of vertical rods 6 and a row of inclined vertical rods 7 which are arranged along the bridge direction, the lower ends of the vertical rods and the inclined vertical rods are respectively welded with embedded parts arranged on the bridge floor, a horizontal connecting rod 8 is welded between the vertical rods and between the inclined vertical rods along the bridge direction, a transverse supporting rod 9 is welded between the opposite vertical rods and the inclined vertical rods along the bridge direction, the vertical rods are close to the steel-concrete combined section, one end of the transverse supporting rod 9 extends to the outer side of the vertical rods, and the steel structure shell 2 of the steel-concrete combined section is supported towards one side in the bridge.
The utility model discloses during the concrete implementation, bearing support highly is higher than the height of the bearing montant towards the bridge outside towards the inboard bearing montant of bridge, and higher bearing montant 4's upper end stretches into in steel construction shell 2 of reinforced concrete joint section to weld with 3 of the steel reinforcement skeleton of reinforced concrete joint section. The structure is convenient for adjusting the angle when the steel-concrete combined section is installed, and can better connect the bearing support with the steel-concrete combined section.
As shown in fig. 3, when the reinforced concrete combined section is installed and constructed on a bridge, concrete in the reinforced concrete combined section is not poured, after the steel structure shell 2 is adjusted to have an angle on the bearing support and is supported and stabilized by the anti-tilting support, the upper end of the bearing vertical rod 4 is welded with the steel reinforcement framework 3 in the steel structure shell, then a template is erected, concrete 10 of the reinforced concrete combined section is poured, and the bearing support is poured into the concrete to become a part of the reinforced concrete combined section. And then carrying out subsequent construction of the tower column, and welding a steel structure part above the reinforced concrete combined section.
Claims (2)
1. The utility model provides a bearing structure that is used for unsettled installation of bridge slope steel tower post steel-concrete joint section is equipped with the column tower base on the bridge floor, the steel-concrete joint section includes steel structure shell, is equipped with steel reinforcement framework, its characterized in that in the steel structure shell: comprises a bearing bracket and an anti-inclining bracket; the bearing support comprises two rows of bearing vertical rods arranged along the bridge direction, the lower end of each bearing vertical rod is welded with an embedded part at the top of a tower column support on the bridge floor, two layers of cross rods are welded between the bearing vertical rods along the bridge direction and the transverse bridge direction, a steel-concrete combined section is supported on the bearing support according to a preset inclination angle, and the upper end of the bearing vertical rod of the bearing support is welded with a steel reinforcement framework of the steel-concrete combined section; the anti-tilting support comprises a row of vertical rods and a row of inclined vertical rods which are arranged along the bridge direction, the lower ends of the vertical rods and the inclined vertical rods are welded with embedded parts arranged on the bridge floor respectively, a flat connecting rod is welded between the vertical rods and between the inclined vertical rods along the bridge direction, a transverse supporting rod is welded between the opposite vertical rods and the inclined vertical rods along the bridge direction, the vertical rods are close to the reinforced concrete combined section, one end of the transverse supporting rod extends to the outer sides of the vertical rods, and the transverse supporting rod is supported on one side, facing the inside of the bridge, of a steel structure shell of the reinforced concrete combined section.
2. The support structure for the suspended installation of the steel-concrete combined section of the inclined steel tower column for the bridge according to claim 1, wherein: the height of the bearing vertical rod of the bearing support towards the inner side of the bridge is higher than that of the bearing vertical rod towards the outer side of the bridge, and the upper end of the higher bearing vertical rod extends into the steel structure shell of the reinforced concrete combined section and is welded with the steel reinforcement framework of the reinforced concrete combined section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838653.2U CN215164740U (en) | 2021-04-22 | 2021-04-22 | Supporting structure for suspended installation of steel-concrete combined section of inclined steel tower column of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838653.2U CN215164740U (en) | 2021-04-22 | 2021-04-22 | Supporting structure for suspended installation of steel-concrete combined section of inclined steel tower column of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215164740U true CN215164740U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120838653.2U Active CN215164740U (en) | 2021-04-22 | 2021-04-22 | Supporting structure for suspended installation of steel-concrete combined section of inclined steel tower column of bridge |
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| Country | Link |
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| CN (1) | CN215164740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418962A (en) * | 2022-09-26 | 2022-12-02 | 中建八局发展建设有限公司 | Cable-stay bridge steel-concrete combination section installation positioning system |
-
2021
- 2021-04-22 CN CN202120838653.2U patent/CN215164740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418962A (en) * | 2022-09-26 | 2022-12-02 | 中建八局发展建设有限公司 | Cable-stay bridge steel-concrete combination section installation positioning system |
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