CN215107596U - Add girder steel structure for protection on existing structure - Google Patents
Add girder steel structure for protection on existing structure Download PDFInfo
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- CN215107596U CN215107596U CN202121039949.4U CN202121039949U CN215107596U CN 215107596 U CN215107596 U CN 215107596U CN 202121039949 U CN202121039949 U CN 202121039949U CN 215107596 U CN215107596 U CN 215107596U
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Abstract
The utility model relates to an add girder steel structure for protection on existing structure belongs to the technical field of steel construction installation, and it is including installing the support on existing structure A and existing structure B respectively, two install the girder steel between the support, the one end of girder steel can slide. This application has the effect that reduces the produced vibrations of subway operation in-process to the influence of girder steel structure.
Description
Technical Field
The utility model relates to a field of steel construction installation especially relates to a add girder steel structure for protection on existing structure.
Background
The existing project is a subway upper cover project, an existing structure A and an existing structure B are arranged in the project site, a fire fighting access is arranged between the existing structure A and the existing structure B, and in the project construction process, temporary protection needs to be arranged between parapets of the existing structure A and the existing structure B for preventing objects falling from high altitude from influencing the passing of the fire fighting access.
When addding interim protection, need add the girder steel between existing structure A and existing structure B, but because the subway operation in-process, vibrations are great, can influence the structural strength of girder steel.
SUMMERY OF THE UTILITY MODEL
In order to reduce the influence of the produced vibrations of subway operation in-process to the girder steel structure, this application provides one kind and sets up the protection on existing structure and use girder steel structure.
The application provides a pair of add girder steel structure for protection on existing structure, adopt following technical scheme:
the utility model provides a set up girder steel structure for protection on existing structure, includes and installs respectively at the support on existing structure A and existing structure B, two install the girder steel between the support, the one end of girder steel can slide.
Through adopting above-mentioned technical scheme, through setting up girder steel one end into with support sliding connection to it is that to shake in subway operation, the girder steel can have certain displacement volume, thereby protects the girder steel structure not receive destruction, has reduced the influence of the produced vibrations of subway operation in-process to the girder steel structure.
Optionally, the parapet walls of the existing structure a and the existing structure B are respectively and correspondingly provided with an installation hole, the installation hole is provided with a structure girder upper part of the existing structure a and the existing structure B, and the support is installed in the installation hole.
Through adopting above-mentioned technical scheme, set up the installation entrance to a cave on the parapet, for the girder steel provides the mounted position to set up the installation entrance to a cave on the structure girder, make the structure girder bear the dead weight of girder steel.
Optionally, the support includes the horizontal plate, offer on the horizontal plate and be used for the installation the bolt hole of girder steel, horizontal plate and existing structure A or existing structure B fixed connection, the horizontal plate both sides respectively fixedly connected with vertical board, vertical board perpendicular to the horizontal plate.
By adopting the technical scheme, the support is simple in structure, convenient to process on site and convenient to construct.
Optionally, the girder steel includes the I-shaped girder steel, girder steel one end is the stiff end, and the other end is the slip end, set up on the flange board of girder steel stiff end with the round hole that the bolt hole corresponds, set up on the flange board of girder steel slip end with the rectangular hole that the bolt hole corresponds, the girder steel stiff end is bolted with the horizontal plate that sets up on existing structure A, girder steel slip end is bolted with the horizontal plate that sets up on existing structure B.
Through adopting above-mentioned technical scheme, the connected mode of girder steel and support is simple, the workman's of being convenient for construction.
Optionally, two one side that vertical board kept away from each other has set firmly the connecting plate, the vertical setting of connecting plate, the connecting plate is bolted with parapet inboard.
Through adopting above-mentioned technical scheme, the connecting plate makes the support installation more firm with support and parapet fixed connection.
Optionally, a rib plate is fixedly arranged between the horizontal plate and the connecting plate.
Through adopting above-mentioned technical scheme, the floor can strengthen the structural strength between horizontal plate and the connecting plate, avoids the horizontal plate to warp, makes the support installation more firm.
Optionally, the horizontal plate is bolted to the parapet.
Through adopting above-mentioned technical scheme, with horizontal plate and parapet fixed connection, make the support installation more firm.
Optionally, a cushion layer is arranged between the support and the existing structure A or the existing structure B, a steel plate is pre-buried in the cushion layer, and the horizontal plate is welded with the steel plate.
Through adopting above-mentioned technical scheme, the bed course can play the effect of making level, makes the girder steel install along the horizontal direction to pre-buried steel sheet in the bed course provides mounting platform for erection support.
Optionally, a steel bar is arranged in the cushion layer.
Through adopting above-mentioned technical scheme, the reinforcing bar can increase the structural strength of bed course, avoids the bed course fracture.
Optionally, be located the stiff end be provided with first shutoff piece in the installation entrance to a cave, first shutoff piece is built by laying bricks or stones by the polylith building block and is formed, be located the slip end be provided with the second shutoff piece in the installation entrance to a cave, the second shutoff piece is built by laying bricks or stones by the polylith building block and is formed, the second shutoff piece with there is the space between the slip end both sides, the space intussuseption is filled with the extruded sheet.
Through adopting above-mentioned technical scheme, first shutoff piece can make the fixed end more firm with the shutoff of installation entrance to a cave, and second shutoff piece can carry on spacingly to the end horizontal direction that slides to through setting up the extruded sheet, make end and second shutoff piece flexonics slide, from not influencing the end displacement that slides.
In summary, the present application includes at least one of the following beneficial technical effects:
1. one end of the steel beam is arranged to be in sliding connection with the support, so that the steel beam can have a certain displacement when the subway runs, the steel beam structure is protected from being damaged, and the influence of vibration generated in the running process of the subway on the steel beam structure is reduced;
2. the parapet wall is provided with a mounting hole for providing a mounting position for the steel beam, and the mounting hole is formed in the structural main beam to enable the structural main beam to bear the dead weight of the steel beam;
3. first shutoff piece can be with the shutoff of installation entrance to a cave, makes the fixed end fixed more firm, and second shutoff piece can carry on spacingly to the end horizontal direction that slides to through setting up the extruded sheet, make end and second shutoff piece flexonics slide, thus do not influence the end displacement that slides.
Drawings
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is a schematic perspective view of the fixed end of the present application.
Fig. 3 is a perspective view of the sliding end of the present application.
Fig. 4 is a schematic perspective view of the fixed end block of the present application.
Fig. 5 is a schematic perspective view of the sliding end block of the present application.
Description of reference numerals: 1. existing structure A; 2. existing structure B; 3. a parapet wall; 31. installing a hole; 4. a support; 41. a horizontal plate; 42. a vertical plate; 43. a connecting plate; 44. a rib plate; 5. a steel beam; 51. a fixed end; 52. a sliding end; 521. a strip hole; 6. a cushion layer; 61. a steel plate; 7. a first plugging block; 8. a second plugging block; 9. and (5) extruding the plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses add girder steel structure for protection on existing structure. Referring to fig. 1, the steel beam structure for additionally providing protection on the existing structure comprises supports 4 respectively arranged on an existing structure a1 and an existing structure B2, and a steel beam 5 is arranged between the two supports 4.
Referring to fig. 2 and 3, a plurality of installation holes 31 are respectively and correspondingly formed in parapet walls 3 of an existing structure a1 and an existing structure B2, the installation holes 31 are respectively formed in a structure girder of an existing structure a1 and an existing structure B2, supports 4 are respectively and fixedly installed in the installation holes 31, each support 4 comprises a horizontal plate 41, the horizontal plate 41 is fixedly connected with the bottom surface of the installation hole 31, one end of the horizontal plate 41 extends out of end surfaces of two parapet walls 3 far away from one side of each other, vertical plates 42 are respectively and fixedly connected to two sides of the horizontal plate 41, the vertical plates 42 are mutually perpendicular to the horizontal plate 41, the two vertical plates 42 are respectively attached to two opposite sides of the installation hole 31, and the vertical plates 42 are fixedly connected to two sides of the installation hole 31 through anchor bolts. Welding respectively has connecting plate 43 in the one side of keeping away from each other of two vertical boards 42, the vertical setting of connecting plate 43, and connecting plate 43 and vertical board 42 mutually perpendicular, connecting plate 43 is located the one side of keeping away from each other of two parapets 3, and connecting plate 43 and the laminating setting of parapet 3 to connecting plate 43 and parapet 3 pass through crab-bolt fixed connection. A rib plate 44 is further welded between the connecting plate 43 and the vertical plate 42, the rib plate 44 is a right-angle triangular plate, one right-angle side of the rib plate 44 is welded with the connecting plate 43, and the other right-angle side of the rib plate 44 is welded with the vertical plate 42.
A cushion layer 6 is further arranged between the horizontal plate 41 and the existing structure, a steel plate 61 is embedded in the top surface of the cushion layer 6, and the horizontal plate 41 and the steel plate 61 are welded, so that the support 4 is installed in the installation hole 31. Further, be provided with the reinforcing bar in bed course 6, the reinforcing bar can strengthen bed course 6's intensity, avoids bed course 6 fracture.
The steel beam 5 is arranged between two supports 4 oppositely arranged on the existing structure A1 and the existing structure B2, the steel beam 5 is an I-shaped steel beam 5, one end of the steel beam 5 is a fixed end 51, the other end of the steel beam 5 is a sliding end 52, the fixed end 51 is arranged on the existing structure A1, and the sliding end 52 is arranged on the existing structure B2; the horizontal plate 41 is respectively provided with a bolt hole, a flange plate of the fixed end 51 of the steel beam 5 is provided with a round hole corresponding to the bolt hole, an anchor bolt penetrates through the round hole and the bolt hole and is anchored into the cushion layer 6 and a structural main beam of the existing structure A1, so that the fixed end 51 of the steel beam 5 is fixedly connected with the existing structure A1, the flange plate of the fixed end 51 of the steel beam 5 can be welded with the horizontal plate 41, and the fixed end 51 of the steel beam 5 is fixedly connected with the existing structure A1; the flange plate of the sliding end 52 of the steel beam 5 is provided with a long hole 521, an anchor bolt is inserted into the long hole 521 and a bolt hole and is anchored into a structural main beam of an existing structure B2, so that the sliding end 52 of the steel beam 5 is connected with the existing structure B2, and the flange plate of the sliding end 52 is provided with the long hole 521, so that the sliding end 52 can have small displacement during the operation of a subway, and the structure of the steel beam 5 is prevented from being damaged; the sliding end 52 of the steel beam 5 may be brought into contact with the horizontal plate 41 provided on the existing structure B2, so that the sliding end 52 has a certain displacement, which facilitates construction more than connecting the sliding end 52 to the existing structure B2 by an anchor bolt.
Referring to fig. 4 and 5, after the steel beam 5 is installed, a first blocking block 7 is built in the installation hole 31 of the fixing end 51, the first blocking block 7 comprises a plurality of blocks, and the plurality of blocks are built to block the installation hole 31, so that the fixing end 51 is further fixed; masonry has second shutoff piece 8 in the installation entrance to a cave 31 that is located sliding end 52, second shutoff piece 8 also is built by laying bricks or stones by the polylith building block and forms, there is the space between second shutoff piece 8 and the sliding end 52 both sides, it has extruded sheet 9 to fill in the space, second shutoff piece 8 and extruded sheet 9 can carry on spacingly to sliding end 52 horizontal direction, and can make sliding end 52 and second shutoff piece 8 flexonics through setting up extruded sheet 9, from not influencing girder steel 5 and carry out the displacement along its length direction.
The application discloses an implement principle who adds protection with girder steel structure on existing structure does: set up a plurality of installation entrance to a cave 31 on parapet 3 of existing structure A1 and existing structure B2 respectively, and erection support 4 in installation entrance to a cave 31, install girder steel 5 between two relative supports 4, girder steel 5's one end and support 4 fixed connection, the other end and support 4 sliding connection, thereby make support 4 have certain displacement volume in its length direction, produce vibrations in subway operation process, can make girder steel 5 produce small displacement, compare in the equal fixed connection in girder steel 5 both ends, set girder steel 5 one end into sliding connection in this application, can protect girder steel 5 structure not destroyed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a set up protection at existing structure and use girder steel structure which characterized in that: including installing support (4) on existing structure A (1) and existing structure B (2) respectively, two install girder steel (5) between support (4), the one end of girder steel (5) can slide.
2. The steel beam structure for additionally arranging protection on the existing structure according to claim 1, which is characterized in that: the mounting structure is characterized in that the existing structure A (1) and the parapet (3) of the existing structure B (2) are correspondingly provided with mounting holes (31) respectively, the mounting holes (31) are provided with structural girder tops of the existing structure A (1) and the existing structure B (2), and the support (4) is mounted in the mounting holes (31).
3. The steel beam structure for additionally arranging protection on the existing structure according to claim 2, which is characterized in that: support (4) are including horizontal plate (41), offer on horizontal plate (41) and be used for the installation the bolt hole of girder steel (5), horizontal plate (41) and existing structure A (1) or existing structure B (2) fixed connection, horizontal plate (41) both sides fixedly connected with vertical board (42) respectively, vertical board (42) perpendicular to horizontal plate (41).
4. The steel beam structure for additionally arranging protection on the existing structure according to claim 3, wherein: girder steel (5) include I-shaped girder steel (5), girder steel (5) one end is stiff end (51), and the other end is sliding end (52), set up on the flange board of girder steel (5) stiff end (51) with the round hole that the bolt hole corresponds, set up on the flange board of girder steel (5) sliding end (52) with rectangular hole (521) that the bolt hole corresponds, girder steel (5) stiff end (51) and horizontal plate (41) bolt joint of setting on existing structure A (1), girder steel (5) sliding end (52) and horizontal plate (41) bolt joint of setting on existing structure B (2).
5. The steel beam structure for additionally arranging protection on the existing structure according to claim 3, wherein: two one side that vertical board (42) kept away from each other sets firmly connecting plate (43), connecting plate (43) vertical setting, connecting plate (43) and parapet (3) inboard bolt joint.
6. The steel beam structure for additionally arranging protection on the existing structure according to claim 5, wherein: and a rib plate (44) is fixedly arranged between the horizontal plate (41) and the connecting plate (43).
7. The steel beam structure for additionally arranging protection on the existing structure according to claim 3, wherein: the horizontal plate (41) is bolted to the parapet wall (3).
8. The steel beam structure for additionally arranging protection on the existing structure according to claim 2, which is characterized in that: a cushion layer (6) is arranged between the support (4) and the existing structure A (1) or the existing structure B (2), a steel plate (61) is embedded in the cushion layer (6), and the horizontal plate (41) is welded with the steel plate (61).
9. The steel beam structure for additionally providing protection to an existing structure according to claim 8, wherein: and reinforcing steel bars are arranged in the cushion layer (6).
10. The steel beam structure for additionally arranging protection on the existing structure according to claim 4, wherein: be located stiff end (51) be provided with first shutoff piece (7) in installation entrance to a cave (31), first shutoff piece (7) are built by laying bricks or stones by the polylith building block and are formed, are located sliding end (52) be provided with second shutoff piece (8) in installation entrance to a cave (31), second shutoff piece (8) are built by laying bricks or stones by the polylith building block and are formed, second shutoff piece (8) with there is the space between sliding end (52) both sides, the space intussuseption is filled with extruded sheet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121039949.4U CN215107596U (en) | 2021-05-14 | 2021-05-14 | Add girder steel structure for protection on existing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121039949.4U CN215107596U (en) | 2021-05-14 | 2021-05-14 | Add girder steel structure for protection on existing structure |
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| Publication Number | Publication Date |
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| CN215107596U true CN215107596U (en) | 2021-12-10 |
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| CN202121039949.4U Active CN215107596U (en) | 2021-05-14 | 2021-05-14 | Add girder steel structure for protection on existing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117702924A (en) * | 2023-12-21 | 2024-03-15 | 中国核电工程有限公司 | Indoor anti-seismic equipment supporting structure of nuclear chemical equipment and construction method thereof |
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2021
- 2021-05-14 CN CN202121039949.4U patent/CN215107596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117702924A (en) * | 2023-12-21 | 2024-03-15 | 中国核电工程有限公司 | Indoor anti-seismic equipment supporting structure of nuclear chemical equipment and construction method thereof |
| CN117702924B (en) * | 2023-12-21 | 2024-06-14 | 中国核电工程有限公司 | Indoor anti-seismic equipment supporting structure of nuclear chemical equipment and construction method thereof |
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