CN216616968U - Be applied to existing steel construction and consolidate biography power conversion structure who reforms transform - Google Patents
Be applied to existing steel construction and consolidate biography power conversion structure who reforms transform Download PDFInfo
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- CN216616968U CN216616968U CN202123113196.XU CN202123113196U CN216616968U CN 216616968 U CN216616968 U CN 216616968U CN 202123113196 U CN202123113196 U CN 202123113196U CN 216616968 U CN216616968 U CN 216616968U
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Abstract
The utility model discloses a force transmission conversion structure applied to existing steel structure reinforcement and transformation, which comprises a horizontal existing steel beam and an inclined existing steel beam, wherein an existing structure beam is also arranged on the horizontal existing steel beam; the side end of the upper flange of the horizontal existing steel beam is provided with an extension steel beam, a combined upright post is arranged above the end part of the extension steel beam, and the combined upright post is connected with the inclined existing steel beam; the combined upright column comprises two webs distributed front and back, an installation cavity corresponding to an inclined existing steel beam is arranged in the middle between the two webs, a left lower flange plate and a right lower flange plate are respectively arranged at the left end and the right end below the installation cavity, and a left upper flange plate and a right upper flange plate are respectively arranged at the left end and the right end above the installation cavity; and vertical stiffening plates are further arranged on the outer sides of the webs. The utility model has the characteristics of effectively reducing the construction difficulty, shortening the construction period and reducing the cost.
Description
Technical Field
The utility model relates to an existing steel structure reconstruction project, in particular to a force transmission conversion structure applied to existing steel structure reinforcement reconstruction.
Background
The reinforcement and reconstruction of the steel structure occupies an increasing proportion in the reinforcement and reconstruction in recent years, and particularly in public buildings, the functions of constructed buildings are changed or the shape of building curtain walls is adjusted, so that the reinforcement and reconstruction of the existing steel structure has new requirements and new normality in the industry.
In the existing steel construction transformation, often can meet original atress component connection in need transforming the position, if adopt traditional technical processing then need all demolish original atress component, the original structure is installed again in the later stage, not only can cause certain damage to existing structure like this and destroy, the construction degree of difficulty is big moreover, the period is long, with high costs, still can't guarantee the effective secondary connection between the component of reinstallating and the existing structure. Therefore, the prior art has the problems of high construction difficulty, long construction period and high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a force transmission conversion structure applied to reinforcement and transformation of an existing steel structure. The utility model has the characteristics of effectively reducing the construction difficulty, shortening the construction period and reducing the cost.
The technical scheme of the utility model is as follows: a force transfer conversion structure applied to existing steel structure reinforcement transformation comprises a horizontal existing steel beam and an inclined existing steel beam, wherein an existing structure beam is further arranged on the horizontal existing steel beam; the side end of the upper flange of the horizontal existing steel beam is provided with an extension steel beam, a combined upright post is arranged above the end part of the extension steel beam, and the combined upright post is connected with the inclined existing steel beam; the combined upright column comprises two webs distributed front and back, an installation cavity corresponding to an inclined existing steel beam is arranged in the middle between the two webs, a left lower flange plate and a right lower flange plate are respectively arranged at the left end and the right end below the installation cavity, and a left upper flange plate and a right upper flange plate are respectively arranged at the left end and the right end above the installation cavity; and vertical stiffening plates are further arranged on the outer sides of the webs.
In the force transmission conversion structure applied to existing steel structure reinforcement and transformation, the extension steel beam is provided with two combined upright post stiffening plates corresponding to the left lower flange plate and the right lower flange plate, and a cross beam is further arranged between the combined upright post stiffening plates.
In the force transmission conversion structure applied to the reinforcement and transformation of the existing steel structure, the horizontal steel beam is provided with the stiffening plate of the extension beam corresponding to the lower flange of the extension beam.
The force transfer conversion structure applied to existing steel structure reinforcement transformation is characterized in that a steel beam sealing plate is further arranged on the side end of an existing steel beam in an inclined mode.
In the aforementioned power transmission conversion structure that is applied to existing steel construction reinforcement transformation, the upper flange of extension girder steel is wider than the lower flange.
Compared with the prior art, the utility model ensures effective connection between the newly added extension steel beam, the combined upright post and the horizontal existing steel beam and the inclined existing steel beam and effective transmission and conversion of structural internal force by arranging the extension steel beam and the combined upright post between the horizontal existing steel beam and the inclined existing steel beam and arranging the vertical stiffening plate, the combined upright post stiffening plate and the extension beam stiffening plate, thereby not only being safe, applicable and durable, but also saving the working procedures of dismantling all the existing steel beams and steel columns, effectively reducing the construction difficulty, and avoiding temporary support measures in the construction process when newly added steel beams and steel beams are reinstalled, thereby reducing the construction cost and improving the construction efficiency. In conclusion, the method has the characteristics of effectively reducing the construction difficulty, shortening the construction period and reducing the cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural view of an existing steel structure;
FIG. 3 is a view taken along line A-A of FIG. 1;
FIG. 4 is a view from the B-B direction in FIG. 1;
FIG. 5 is a view from the C-C direction in FIG. 1;
fig. 6 is a view from direction D-D in fig. 1.
The labels in the figures are: 1-existing structural steel upright column, 2-inclined existing steel beam, 21-inclined existing steel beam cutting section, 3-horizontal existing steel beam, 4-existing structural beam, 5-elongated steel beam, 51-elongated beam stiffening plate, 6-beam, 7-combined upright column stiffening plate, 8-web plate, 9-vertical stiffening plate, 10-left lower flange plate, 11-right lower flange plate, 12-left upper flange plate, 13-right upper flange plate and 14-steel beam sealing plate.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Examples are given. A force transmission conversion structure applied to existing steel structure reinforcement and transformation is formed as shown in figures 1 to 6 and comprises a horizontal existing steel beam 3 and an inclined existing steel beam 2, wherein an existing structure beam 4 is further arranged on the horizontal existing steel beam 3; the side end of the upper flange of the horizontal existing steel beam 3 is provided with an elongated steel beam 5, a combined upright is arranged above the end part of the elongated steel beam 5, and the combined upright is connected with the inclined existing steel beam 2; the combined upright column comprises two webs 8 which are distributed front and back, a mounting cavity corresponding to the inclined existing steel beam 2 is arranged in the middle between the two webs 8, a left lower flange plate 10 and a right lower flange plate 11 are respectively arranged at the left end and the right end below the mounting cavity, and a left upper flange plate 12 and a right upper flange plate 13 are respectively arranged at the left end and the right end above the mounting cavity; and a vertical stiffening plate 9 is further arranged on the outer side of the web plate 8.
The vertical stiffening plates 9 are positioned in the range of the inclined existing steel beams and correspond to the right lower flange plate 11 and the right upper flange plate 13.
The extension steel beam 5 is provided with two combined upright post stiffening plates 7 corresponding to the left lower flange plate 10 and the right lower flange plate 11 respectively, and a cross beam 6 is arranged between the combined upright post stiffening plates 7.
The horizontally existing steel beam 3 is provided with an extension beam stiffening plate 51 corresponding to the lower flange of the extension steel beam 5.
And a steel beam sealing plate 14 is also arranged at the side end of the existing steel beam 2.
The upper flange of the elongated steel beam 5 is wider than the lower flange.
During the initial stage, remain existing structural steel stand 1 and slope to existing girder steel cutting section 21, wait to pass power conversion structure installation after accomplishing, cut off existing structural steel stand and slope to existing girder steel cutting section.
The method comprises the following steps: the steel structure comprises an existing structural steel upright 1, an existing steel beam 2 in an inclined direction and an existing steel beam 3 in a horizontal direction, and further comprises an existing structural steel upright 1, an existing steel beam 2 in an inclined direction and an existing steel beam 3 in a horizontal direction;
the extension steel beam 5 is added on the existing steel beam 3 horizontally, and meanwhile, the extension beam stiffening plate is added on the existing steel beam horizontally at the position corresponding to the lower flange of the newly added extension steel beam 5, so that the pressure of the lower flange of the extension steel beam 5 is effectively transmitted to the existing steel beam 3 horizontally; the lower end of a web plate 8 of the newly added combined upright post is connected with the lengthened steel beam 5, and the upper part of the web plate is connected with the inclined existing steel beam 2 through an angle welding seam; the left lower flange plate 10 of the combined upright column is connected with the lengthened steel beam 5, the web plate 8 of the combined upright column and the inclined existing steel beam 2; the lower flange plate 11 on the right side of the combined upright post is connected with the lengthened steel beam 5, the web plate 8 of the combined upright post and the inclined existing steel beam 2; the upper flange plate 12 on the left side of the combined upright post is connected with the web plate 8 of the combined upright post and the inclined existing steel beam 2; the upper flange plate 13 on the right side of the combined upright post is connected with the web plate 8 of the combined upright post and the inclined existing steel beam 2; the combined upright stiffening plate 7 corresponding to the position of the combined upright lower flange plate is arranged on the extension steel beam 5, so that the bending moment borne by the newly increased combined upright can be effectively transmitted to the newly increased extension steel beam 5; vertical stiffening plates 9 are arranged in the positions, corresponding to the right lower flange plate and the right upper flange plate, of the existing steel beam range outside the newly-added combined upright post web plate 8, so that the rigidity and the effective force transmission of the node are ensured; the cross beam 6 is added at the end part of the newly added elongated steel beam 5, so that the out-of-plane stability of the newly added elongated steel beam 5 is ensured;
the long steel beam 5 is newly added on the horizontal existing steel beam 3, and the horizontal existing steel beam 3 and the newly added long steel beam 5 are connected through a full-section welding line and meet the requirement of the welding line grade required by design.
And a stiffening plate 51 is added to the existing steel beam 3 in the horizontal direction at the position corresponding to the lower flange of the newly-added elongated steel beam 5, the thickness of the stiffening plate 51 is equal to that of the flange corresponding to the newly-added elongated steel beam 5, the stiffening plate 51 is connected with the existing steel beam 3 in the horizontal direction by adopting a fillet weld, and the size of a welding leg meets the construction requirement.
The lower end of a web plate 8 of the newly-added combined upright column is connected with the lengthened steel beam 5 through a groove weld, the upper end of the web plate is connected with the inclined existing steel beam 2 through a fillet weld, and the size of the fillet weld needs to be determined according to calculation.
The left lower flange plate of the newly-added combined upright is connected with the lengthened steel beam 5 and the web plate 8 of the newly-added combined upright through the split weld joints, the left lower flange plate 10 of the newly-added combined upright is connected with the inclined existing steel beam 2 through the fillet weld joints, and the size of the welding leg meets the structural requirement.
The lower flange plate 11 on the right side of the newly-added combined upright column is connected with the lengthened steel beam 5 and the newly-added combined upright column web plate 8 through a split weld, the lower flange plate 11 on the left side of the newly-added combined upright column is connected with the inclined existing steel beam 2 through a fillet weld, and the size of a welding leg meets the structural requirement.
The left upper flange plate 12 of the newly-added combined upright column is connected with the web plate 8 of the newly-added combined upright column through a split weld joint, the left upper flange plate 12 of the newly-added combined upright column is connected with the inclined existing steel beam 2 through a fillet weld joint, and the size of a welding leg meets the structural requirement.
Newly-increased combination post right side upper limb listrium 13 adopts the cut-out welding seam to be connected with newly-increased combination post web 8, and newly-increased combination post left side upper limb listrium 13 adopts the fillet weld to be connected to existing girder steel 2 with the slope, and the leg welding size satisfies the constructional requirement.
The existing steel beam cutting section 21 is cut off in a cutting mode at a position about 2cm away from the newly-added combined steel stand column in an inclined mode, the cutting process needs to be slow and uniform, force transfer conversion is guaranteed to be sufficient and stable, and finally the existing stand column 1 is cut off.
The construction method of the stress conversion structure for reforming the existing steel structure comprises the following steps:
(1) and adding the long steel beam on the existing steel beam, and adding the stiffening plate of the long steel beam to the existing steel beam at the horizontal position corresponding to the lower flange of the newly added long steel beam.
(2) The lower end of the web plate of the combined upright post is connected with the newly added extension steel beam, and the upper part of the web plate of the combined upright post is connected with the inclined existing steel beam.
(3) The lower flange plate on the left side of the combined upright post is connected with the lengthened steel beam, the newly-added combined upright post web plate and the inclined steel beam.
(4) The lower flange plate on the right side of the combined upright post is connected with the lengthened steel beam, the combined upright post web plate and the inclined existing steel beam.
(5) The upper flange plate on the left side of the combined upright post is connected with the web plate of the combined upright post and the inclined existing steel beam.
(6) The upper flange plate on the right side of the combined upright post is connected with the web plate of the combined upright post and the inclined existing steel beam.
(7) The combined upright post stiffening plate is additionally arranged at the position of the lengthened steel beam corresponding to the lower flange plate at the left side of the combined upright post and the lower flange plate at the right side of the combined upright post.
(8) And a vertical stiffening plate is additionally arranged on the side surface of the web plate of the combined upright post.
(9) The cutting section of the inclined existing steel beam is cut at a position about 2cm away from the newly-added combined steel upright column by adopting a cutting mode, the cutting process needs to be slow and uniform, the force transfer conversion is ensured to be sufficient and stable, the existing structural steel upright column is cut, and meanwhile, a sealing stiffening plate is additionally arranged at the end part of the inclined existing steel beam.
(10) And a beam is additionally arranged at the end part of the lengthened steel beam, so that the stability of the lengthened steel beam outside the plane is ensured.
Claims (5)
1. The utility model provides a be applied to existing steel construction and consolidate biography power conversion structure who reforms transform which characterized in that: the steel beam structure comprises a horizontal existing steel beam (3) and an inclined existing steel beam (2), wherein an existing structural beam (4) is further arranged on the horizontal existing steel beam (3); the side end of the upper flange of the horizontal existing steel beam (3) is provided with an extension steel beam (5), a combined upright is arranged above the end part of the extension steel beam (5), and the combined upright is connected with the inclined existing steel beam (2); the combined upright column comprises two webs (8) distributed front and back, a mounting cavity corresponding to an inclined existing steel beam (2) is arranged in the middle between the two webs (8), a left lower flange plate (10) and a right lower flange plate (11) are respectively arranged at the left end and the right end below the mounting cavity, and a left upper flange plate (12) and a right upper flange plate (13) are respectively arranged at the left end and the right end above the mounting cavity; and a vertical stiffening plate (9) is also arranged on the outer side of the web plate (8).
2. The force transmission conversion structure applied to existing steel structure reinforcement and transformation according to claim 1 is characterized in that: the extension steel beam (5) is provided with two combined upright post stiffening plates (7) corresponding to the left lower flange plate (10) and the right lower flange plate (11) in position respectively, and a cross beam (6) is arranged between the combined upright post stiffening plates (7).
3. The force transmission conversion structure applied to existing steel structure reinforcement and transformation according to claim 1 is characterized in that: and the horizontally-arranged steel beam (3) is provided with an extension beam stiffening plate (51) corresponding to the lower flange of the extension steel beam (5).
4. The force transmission conversion structure applied to existing steel structure reinforcement and transformation according to claim 1 is characterized in that: a steel beam sealing plate (14) is also arranged at the side end of the inclined existing steel beam (2).
5. The force transmission conversion structure applied to existing steel structure reinforcement and transformation according to claim 1, characterized in that: the upper flange of the lengthened steel beam (5) is wider than the lower flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123113196.XU CN216616968U (en) | 2021-12-13 | 2021-12-13 | Be applied to existing steel construction and consolidate biography power conversion structure who reforms transform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123113196.XU CN216616968U (en) | 2021-12-13 | 2021-12-13 | Be applied to existing steel construction and consolidate biography power conversion structure who reforms transform |
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| CN216616968U true CN216616968U (en) | 2022-05-27 |
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| CN202123113196.XU Active CN216616968U (en) | 2021-12-13 | 2021-12-13 | Be applied to existing steel construction and consolidate biography power conversion structure who reforms transform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613851A (en) * | 2022-12-01 | 2023-01-17 | 北京市第三建筑工程有限公司 | Construction method for newly adding existing steel beam wrapped by steel column with inclined outer frame |
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2021
- 2021-12-13 CN CN202123113196.XU patent/CN216616968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613851A (en) * | 2022-12-01 | 2023-01-17 | 北京市第三建筑工程有限公司 | Construction method for newly adding existing steel beam wrapped by steel column with inclined outer frame |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230506 Address after: 409-419, Floor 4, Martial Arts Hall Building, 168 Yugu Road, Xihu District, Hangzhou City, Zhejiang Province, 310013 (singular) Patentee after: Jiedi Design Group Co.,Ltd. Address before: 310007 Room 102, No. 157 baishaquan, Beishan street, Xihu District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Jiedi Construction Management Co.,Ltd. |
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| TR01 | Transfer of patent right |