CN111058384A - Method for mounting anchor plate on steel box girder - Google Patents
Method for mounting anchor plate on steel box girder Download PDFInfo
- Publication number
- CN111058384A CN111058384A CN202010029877.9A CN202010029877A CN111058384A CN 111058384 A CN111058384 A CN 111058384A CN 202010029877 A CN202010029877 A CN 202010029877A CN 111058384 A CN111058384 A CN 111058384A
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- Prior art keywords
- box girder
- steel box
- anchor plate
- anchor
- 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling 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
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an anchor plate mounting method on a steel box girder, which belongs to the field of cable-stayed bridge construction and adopts the technical scheme that the anchor plate mounting method comprises the following steps of S1, forming an auxiliary line and an anchor plate system line which are parallel to the longitudinal axis of an anchor pipe on an anchor plate web, S2, forming a steel box girder system line which is matched with an anchor plate on the steel box girder, S3, aligning the anchor plate system line with the steel box girder system line, positioning a longitudinal angle α by using the auxiliary line, S4, positioning a transverse angle delta, S5, and rigidly fixing an inclined strut, so that the anchor plate is kept in a positioning state, and meanwhile, welding and fixing a bottom plate of the anchor plate and the top surface of the steel box girder.
Description
Technical Field
The invention relates to the technical field of cable-stayed bridge construction, in particular to a method for installing an anchor plate on a steel box girder.
Background
The cable-stayed bridge anchor plate is welded with the main beam on the top surface of the steel main beam, is a key component for transferring the force between the stay cable and the beam body of the cable-stayed bridge, and has high positioning precision requirement. Because the anchor pulling plate is relatively fixed in position on the main beam, in order to ensure the installation precision and save subsequent installation procedures, the anchor pulling plate and the main beam are integrally processed when the steel main beam is processed. However, since the main beam is processed uniformly in the processing field, the overall height of the main beam on which the anchor plate is installed is high, and when the main beam is transported from the processing field to the installation field, if there is a deviation in installing the steel main beam, the position deviation of the anchor plate may be caused, which affects the positioning accuracy of the anchor plate.
The main bridge of the Yueyou Hanjiang grand bridge is a single-tower double-cable-face steel-concrete mixed beam cable-stayed bridge, and the cable beam anchoring adopts an anchor plate. The steel box girder of the cable-stayed bridge adopts an anchor plate structure which is common and representative. When the anchor plate is installed on site, because the anchor pipe of the anchor plate has transverse and longitudinal deflection angles, the allowable deviation of the angle is less than or equal to 0.1 degree, and the anchor pipe has irregular contour and is difficult to line and measure, so that how to accurately install and conveniently measure the anchor plate is one of the key control points of the bridge.
Therefore, the method for installing the anchor plate on the steel box girder is provided.
Disclosure of Invention
The invention mainly aims to provide a method for installing an anchor plate on a steel box girder, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides a method for installing an anchor plate on a steel box girder, which is characterized by comprising the following steps of:
s1, forming auxiliary lines parallel to the longitudinal axis of the anchor pipe and an anchor plate system line on the anchor plate web plate;
s2, forming a steel box girder system line matched with the anchor pulling plate on the steel box girder;
s3, aligning an anchor plate system line with a steel box girder system line, and positioning a longitudinal angle α by using an auxiliary line;
s4, positioning a transverse angle delta;
and S5, rigidly fixing the inclined strut, keeping the anchor plate in a positioning state, and welding and fixing the bottom plate of the anchor plate and the top surface of the steel box girder.
And further, after the steel box girder is processed, pre-splicing the steel box girder, and pre-installing the anchor pull plate at the designed installation position of the truss pull plate on the steel box girder when the steel box girder is pre-spliced.
Further, the anchor plate is conveyed to the steel box girder, and the jack pushes the anchor plate to move, so that the anchor plate system line is aligned with the steel box girder system line.
By applying the technical scheme of the invention, the beneficial effects are as follows:
1. by adopting the method for mounting the anchor plate on the steel box girder, the anchor plate and the steel box girder are manufactured in a split manner, so that the anchor plate and the steel box girder can be conveniently transported, and the condition that the transportation of a girder section is ultrahigh and exceeds the limit is avoided;
2. by adopting the method for installing the anchor plate on the steel box girder, the anchor plate is measured, positioned and installed on site after the steel box girder is installed, so that the positioning precision of the anchor plate can be ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the anchor plate installation configuration;
FIG. 2 is a plan view of the anchor plate;
FIG. 3 is a drawing.
Wherein the figures include the following reference numerals:
10. a steel box girder; 10a, a steel box girder system line; 20. an anchor plate; 20a, an anchor plate system line; 20b, an auxiliary line; 30. and (4) an anchor pipe.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, the present invention provides a method for installing an anchor plate on a steel box girder, which is characterized by comprising the following steps:
s1, forming auxiliary lines 20b and anchor plate system lines 20a which are parallel to the longitudinal axis of the anchor pipe on the web plate of the anchor plate 20;
s2, forming a steel box girder system line 10a matched with the anchor plate 20 on the steel box girder 10;
s3, aligning an anchor plate system line 20a with a steel box girder system line 10a, and positioning a longitudinal angle α by using an auxiliary line 20B, wherein the longitudinal angle α is an included angle between the auxiliary line 20B and a horizontal line of the anchor plate 20, and the longitudinal angle α value can be accurately measured by measuring the values of a length value L1 of the auxiliary line 20B, a height H1 from an upper end point of the auxiliary line 20B to a lower end point of the auxiliary line 20B and a forward projection length B1 of the auxiliary line 20B;
s4, positioning a transverse angle delta, wherein the transverse angle delta is an included angle between a distance connecting line from an upper end point of an auxiliary line 20B to a lower end surface of the anchor plate 20 and a distance connecting line from an upper end point of the auxiliary line 20B to an upper end surface of the steel box girder 10, and the longitudinal angle delta value can be accurately measured by measuring values of a distance H2 from the upper end point of the auxiliary line 20B to the upper end surface of the steel box girder 10, a distance H1 from the upper end point of the auxiliary line 20B to the lower end surface of the anchor plate 20 + a distance of the anchor plate system line 20a, and a connecting length B2 between a vertical point of the auxiliary line 20B on the steel box girder 10 and the lower end point of the anchor plate system line 20 a;
and S5, rigidly fixing the inclined strut, keeping the anchor plate 20 in a positioning state, and welding and fixing the bottom plate of the anchor plate 20 and the top surface of the steel box girder 10.
By applying the installation method of the anchor plate 20, the anchor plate 20 and the steel box girder 10 are manufactured in a split manner, so that the anchor plate 20 and the steel box girder 10 can be conveniently transported, and the transportation of the girder section is prevented from being ultrahigh and exceeding the limit; after the steel box girder 10 is installed, the anchor plate 20 is measured, positioned and installed on site, so that the positioning accuracy of the anchor plate 20 can be ensured.
After the steel box girder 10 is processed, the steel box girder 10 is pre-assembled, and when the steel box girder 10 is pre-assembled, the anchor plate 20 is pre-assembled at the designed installation position of the truss pulling plate on the steel box girder 10.
The anchor plate 20 is transported to the steel box girder 10, and the anchor plate 20 is pushed by a jack to move so that the anchor plate system line 20a is aligned with the steel box girder system line 10 a.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A method for installing an anchor plate on a steel box girder is characterized by comprising the following steps:
s1, forming auxiliary lines parallel to the longitudinal axis of the anchor pipe and an anchor plate system line on the anchor plate web plate;
s2, forming a steel box girder system line matched with the anchor pulling plate on the steel box girder;
s3, aligning an anchor plate system line with a steel box girder system line, and positioning a longitudinal angle α by using an auxiliary line;
s4, positioning a transverse angle delta;
and S5, rigidly fixing the inclined strut, keeping the anchor plate in a positioning state, and welding and fixing the bottom plate of the anchor plate and the top surface of the steel box girder.
2. The method for installing the anchor plate on the steel box girder according to claim 1, wherein the method comprises the following steps: and after the steel box girder is processed, the steel box girder is spliced in advance, and the anchor pulling plate is preassembled at the designed installation position of the truss pulling plate on the steel box girder when the steel box girder is spliced in advance.
3. The method for installing the anchor plate on the steel box girder according to claim 1, wherein the method comprises the following steps: and the anchor pulling plate is conveyed to the steel box girder, and the jack pushes the anchor pulling plate to move, so that the anchor pulling plate system line is aligned with the steel box girder system line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029877.9A CN111058384B (en) | 2020-01-13 | 2020-01-13 | Method for mounting anchor plate on steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029877.9A CN111058384B (en) | 2020-01-13 | 2020-01-13 | Method for mounting anchor plate on steel box girder |
Publications (2)
| Publication Number | Publication Date |
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| CN111058384A true CN111058384A (en) | 2020-04-24 |
| CN111058384B CN111058384B (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010029877.9A Active CN111058384B (en) | 2020-01-13 | 2020-01-13 | Method for mounting anchor plate on steel box girder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813833A (en) * | 2020-12-31 | 2021-05-18 | 中交路桥华南工程有限公司 | Installation method of cableway pipe |
| CN114250715A (en) * | 2022-02-15 | 2022-03-29 | 中铁二局集团有限公司 | Method and device for positioning space special-shaped steel arch bridge inhaul cable |
| CN114398692A (en) * | 2021-12-31 | 2022-04-26 | 中铁宝桥集团有限公司 | Method for determining spatial position of special-shaped anchor plate on top surface of steel box girder |
Citations (5)
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| JP2841540B2 (en) * | 1989-09-06 | 1998-12-24 | 石川島播磨重工業株式会社 | End cutting method for columnar structures |
| CN101713166A (en) * | 2009-10-29 | 2010-05-26 | 广东省公路勘察规划设计院有限公司 | Anchor drawplate type cable-beam anchorage structure for cable-stayed bridge |
| CN103437284A (en) * | 2012-11-14 | 2013-12-11 | 中铁九桥工程有限公司 | Positioning technology for anchor box of member with parallelogram section |
| CN106930188A (en) * | 2017-05-10 | 2017-07-07 | 安徽省交通控股集团有限公司 | A kind of multi-functional anchor tube type anchor tie plate |
| CN108978485A (en) * | 2018-08-24 | 2018-12-11 | 中交路桥建设有限公司 | A kind of steel construction cable-stayed bridge anchor tie plate field installation process |
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2020
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| JP2841540B2 (en) * | 1989-09-06 | 1998-12-24 | 石川島播磨重工業株式会社 | End cutting method for columnar structures |
| CN101713166A (en) * | 2009-10-29 | 2010-05-26 | 广东省公路勘察规划设计院有限公司 | Anchor drawplate type cable-beam anchorage structure for cable-stayed bridge |
| CN103437284A (en) * | 2012-11-14 | 2013-12-11 | 中铁九桥工程有限公司 | Positioning technology for anchor box of member with parallelogram section |
| CN106930188A (en) * | 2017-05-10 | 2017-07-07 | 安徽省交通控股集团有限公司 | A kind of multi-functional anchor tube type anchor tie plate |
| CN108978485A (en) * | 2018-08-24 | 2018-12-11 | 中交路桥建设有限公司 | A kind of steel construction cable-stayed bridge anchor tie plate field installation process |
Non-Patent Citations (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813833A (en) * | 2020-12-31 | 2021-05-18 | 中交路桥华南工程有限公司 | Installation method of cableway pipe |
| CN112813833B (en) * | 2020-12-31 | 2022-12-27 | 中交路桥华南工程有限公司 | Installation method of cableway pipe |
| CN114398692A (en) * | 2021-12-31 | 2022-04-26 | 中铁宝桥集团有限公司 | Method for determining spatial position of special-shaped anchor plate on top surface of steel box girder |
| CN114398692B (en) * | 2021-12-31 | 2024-06-21 | 中铁宝桥集团有限公司 | Method for determining spatial position of special-shaped anchor plate on top surface of steel box girder |
| CN114250715A (en) * | 2022-02-15 | 2022-03-29 | 中铁二局集团有限公司 | Method and device for positioning space special-shaped steel arch bridge inhaul cable |
| CN114250715B (en) * | 2022-02-15 | 2024-04-26 | 中铁二局集团有限公司 | Positioning method and positioning device for space special-shaped steel arch bridge inhaul cable |
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| CN111058384B (en) | 2021-12-07 |
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