CN215106580U - Steel beam with steel concrete combined structure - Google Patents

Steel beam with steel concrete combined structure Download PDF

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Publication number
CN215106580U
CN215106580U CN202121242993.5U CN202121242993U CN215106580U CN 215106580 U CN215106580 U CN 215106580U CN 202121242993 U CN202121242993 U CN 202121242993U CN 215106580 U CN215106580 U CN 215106580U
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steel
plate
hole
flange
web
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赵辉
周旺良
张鸿芬
朱学琴
郭佳东
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Zhejiang Zhancheng Construction Group Co Ltd
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Zhejiang Zhancheng Construction Group Co Ltd
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Abstract

The utility model relates to the technical field of steel beams, in particular to a steel beam with a steel concrete composite structure, which comprises a first flange plate and a second flange plate which are arranged in parallel, and a web plate which is vertically connected with the first flange plate and the second flange plate; concrete blocks are poured among the first flange plate, the second flange plate and the web plate; the two ends of the web plate in the length direction are provided with web plate holes for being connected with another steel beam through the expansion piece; the expansion piece comprises a first connecting plate and a second connecting plate, the first connecting plate is used for being connected with two adjacent webs in an attaching mode, the second connecting plate is perpendicular to the first connecting plate and used for being connected with the concrete block in an attaching mode, and the first connecting plate is provided with a first connecting hole which is connected with the web hole in a matching mode through a connecting piece. The steel beam of the utility model improves the bending resistance and the compression resistance of the steel beam by pouring the concrete block; the arrangement of the first steel rod and the second steel rod enables the connection structure of the concrete block and the first flange plate, the second flange plate and the web plate to be stable and reliable.

Description

Steel beam with steel concrete combined structure
Technical Field
The utility model relates to a girder steel technical field specifically is a steel concrete integrated configuration girder steel.
Background
H-beams have been widely used in various construction works. The existing H-shaped steel beam mainly has two defects: 1. when the length of the H-shaped steel beam is longer, the whole bending resistance and the whole compression resistance of the H-shaped steel beam are poor, so that the H-shaped steel beam is easy to deform, and the service performance of the H-shaped steel beam is poor; 2. the existing H-shaped steel beam does not have the function of expansion connection, so that the use flexibility of the existing H-shaped steel beam is poor.
Patent that application number is CN201520831684.X discloses a strenghthened type arc girder steel, including web, last pterygoid lamina and lower pterygoid lamina, web, last pterygoid lamina and lower pterygoid lamina form the girder steel main part that the cross-section is "worker" style of calligraphy, are provided with the reinforcing plate on the web. The steel beam of this structure improves bending resistance and compression resistance of the steel beam by the reinforcing plate, but the effect is not very desirable, and it does not provide a solution for how to improve the expansion performance of the H-shaped steel beam.
The application number is CN 201821223488.4's patent discloses an extension type H shaped steel roof beam, including an H shaped steel roof beam, No. two H shaped steel roof beams, girder steel right angle connecting piece and extension connecting plate, an H shaped steel roof beam, No. two H shaped steel roof beams carry out the horizontal extension concatenation through girder steel right angle connecting piece and hex bolts, and an H shaped steel roof beam, No. two H shaped steel roof beams can also carry out vertical extension concatenation with No. three H shaped steel roof beams through extension connecting plate and connecting plate bolt. The H-shaped steel beam of the structure has a certain expansion function, but no solution is provided for improving the bending and compression resistance of the H-shaped steel beam.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists, provided a bending resistance compression performance is good and extensible steel concrete integrated configuration girder steel.
The utility model provides a technical scheme that its technical problem adopted is: a steel beam of a steel concrete composite structure comprises a first flange plate and a second flange plate which are arranged in parallel, and a web plate which vertically connects the first flange plate and the second flange plate; concrete blocks are poured among the first flange plate, the second flange plate and the web plate; the two ends of the web plate in the length direction are provided with web plate holes for being connected with another steel beam through the expansion piece; the expansion piece comprises a first connecting plate and a second connecting plate, the first connecting plate is used for being connected with two adjacent webs in an attaching mode, the second connecting plate is perpendicular to the first connecting plate and used for being connected with the concrete block in an attaching mode, and the first connecting plate is provided with a first connecting hole which is connected with the web hole in a matching mode through a connecting piece.
On one hand, the utility model improves the bending resistance and the compression resistance of the steel beam by pouring the concrete block, so that the structural stability is better and the steel beam is not easy to deform; on the other hand makes the girder steel can carry out the horizontal direction extension through setting up the extension to the use flexibility of girder steel has been improved.
Preferably, the concrete block is embedded with a support rod arranged along the length direction of the web, the two axial ends of the support rod are provided with threaded connectors protruding out of the concrete block, the second connecting plate is provided with second connecting holes allowing the threaded connectors to axially penetrate through, and the threaded connectors are also provided with fastening nuts connected in a detachable mode.
Preferably, a first steel rod is welded between the first flange plate and the second flange plate, a second steel rod is welded on the web plate, and the first steel rod and the second steel rod are both located inside the concrete block.
Preferably, a part of the first steel rod and a part of the second steel rod penetrate through the supporting rod, and the supporting rod is provided with a limiting hole allowing the first steel rod or the second steel rod to penetrate through.
Preferably, the free end of the second steel rod is bent.
Preferably, the length direction both ends of first flange board have first pilot hole, the length direction both ends of second flange board have the second pilot hole, adjacent two the first pilot hole of first flange board passes through reinforced connector or second extension piece and connects, adjacent two the second pilot hole of second flange board passes through reinforced connector or second extension piece and connects.
Preferably, the reinforcing connecting piece comprises a v-21274h-shaped frame body, wherein the top frame plate and the bottom frame plate of the v-21274h-shaped frame body are respectively provided with a reinforcing butt joint hole connected with the first assembly hole or the second assembly hole through a second connecting piece.
Preferably, the first connecting piece and the second connecting piece both comprise a bolt and a nut.
Preferably, the second extension piece includes the backup pad, and with the butt joint board that the fagging is connected perpendicularly, the backup pad open have with first pilot hole or second pilot hole pass through the first extension butt joint hole that connecting piece three is connected, the butt joint board open have with the girder steel of vertical setting first pilot hole or second pilot hole pass through the second extension butt joint hole that connecting piece four is connected.
Preferably, the third connecting member and the fourth connecting member each include a bolt and a nut.
Advantageous effects
The steel beam of the utility model improves the bending resistance and the compression resistance of the steel beam by pouring the concrete block, so that the steel beam has better structural stability and is not easy to deform; through the arrangement of the first steel rod and the second steel rod, the connecting structure of the concrete block, the first flange plate, the second flange plate and the web plate is stable and reliable; the steel beam can be expanded in the horizontal direction by arranging the expansion piece, so that the use flexibility of the steel beam is improved; through the arrangement of the supporting rods and the reinforcing connecting pieces, the structural stability of the horizontal expanded connection of the two steel beams can be improved; make the girder steel can carry out vertical direction extension through setting up the second extension, further improved the use flexibility of girder steel.
Drawings
FIG. 1 is a schematic structural view of a steel beam of the steel-concrete composite structure of the present invention;
FIG. 2 is a schematic structural view of the horizontally expanded connection of two steel beams of the present invention;
FIG. 3 is a schematic view of the structure of the extension member of FIG. 2;
FIG. 4 is a schematic structural view of the inner support rod, the first steel bar and the second steel bar of the concrete block of the present invention;
FIG. 5 is a schematic structural view of the support rod of FIG. 4;
FIG. 6 is a schematic view of the connection between the reinforcing connecting member and two steel beams according to the present invention;
FIG. 7 is a schematic view of the reinforcement link of FIG. 6;
fig. 8 is a schematic structural view of the second extension piece connecting the vertical steel beam;
fig. 9 is a schematic structural view of the second extension member of fig. 8.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, a steel reinforced concrete composite structural beam includes a first flange plate 1 and a second flange plate 2 arranged in parallel, and a web 3 vertically connecting the first flange plate 1 and the second flange plate 2. Concrete blocks 4 are poured among the first flange plate 1, the second flange plate 2 and the web plate 3. The web plate 3 is provided with web plate holes 3-1 at two ends in the length direction for being connected with another steel beam through expansion pieces 5, each expansion piece 5 comprises a first connecting plate 5-1 for being connected with two adjacent web plates 3 in an attaching mode and a second connecting plate 5-2 perpendicular to the first connecting plate 5-1 and for being connected with the concrete block 4 in an attaching mode, and the first connecting plate 5-1 is provided with a first connecting hole 5-3 which is connected with the web plate holes 3-1 in a matching mode through a connecting piece. The first connecting piece can be a bolt and a nut.
When the two steel beams are horizontally expanded and connected, the two steel beams are horizontally butted and placed, then the expansion piece 5 is placed between the two concrete blocks 4, the first connecting plate 5-1 is attached to the two adjacent webs 3 (the expansion piece 5 is placed on both sides of the web 3), and then the first connecting hole 5-3 of the first connecting plate 5-1 is fixedly connected with the web hole 3-1 of the web 3 through a bolt and a nut, so that the connection operation is very simple and convenient.
The utility model, on one hand, improves the bending resistance and the compression resistance of the steel beam by pouring the concrete block 4, so that the structural stability is better and the steel beam is not easy to deform; on the other hand, the steel beam can be expanded in the horizontal direction by arranging the web holes 3-1 and the expansion pieces 5, so that the use flexibility of the steel beam is improved.
The concrete block 4 is embedded with a support rod 6 arranged along the length direction of the web 3, two axial ends of the support rod 6 are provided with threaded connectors 6-1 protruding out of the concrete block 4, the second connecting plate 5-2 is provided with second connecting holes 5-4 allowing the threaded connectors 6-1 to axially penetrate, and the threaded connectors 6-1 are also provided with fastening nuts connected in a detachable mode.
Through the arrangement of the threaded connector 6-1 and the fastening nut, the second connecting plate 5-2 of the expansion piece 5 can be fixedly connected with the concrete block 4, so that the expansion connection effect of two horizontally adjacent steel beams is better.
As shown in fig. 4, a first steel rod 7-1 is welded between the first flange plate 1 and the second flange plate 2, a second steel rod 7-2 is welded to the web plate 3, and the first steel rod 7-1 and the second steel rod 7-2 are both located inside the concrete block 4. Through the arrangement of the first steel rod 7-1 and the second steel rod 7-2, the connection effect of the concrete block 4, the first flange plate 1, the second flange plate 2 and the web plate 3 is better.
As shown in fig. 5, a portion of the first steel bar 7-1 and a portion of the second steel bar 7-2 penetrate through the support bar 6, and the support bar 6 is provided with a limiting hole 6-2 allowing the first steel bar 7-1 or the second steel bar 7-2 to penetrate through.
On one hand, the first steel rod 7-1 and the second steel rod 7-2 can be used for limiting and supporting the support rod 6, so that the support rod 6 and the concrete block 4 can be conveniently poured; on the other hand, the first steel rod 7-1, the second steel rod 7-2 and the support rod 6 are matched, so that the connection structure of the concrete block 4, the first flange plate 1, the second flange plate 2 and the web plate 3 is more stable and reliable.
The free end of the second steel rod 7-2 is bent, so that the free end of the second steel rod 7-2 can generate a limiting effect on the concrete block 4, and the connecting effect of the concrete block 4 and the first flange plate 1, the second flange plate 2 and the web plate 3 is further improved.
As shown in fig. 6 and 8, first assembly holes 1-1 are opened at both ends of the first flange plate 1 in the length direction, second assembly holes 2-1 are opened at both ends of the second flange plate 2 in the length direction, the first assembly holes 1-1 of the first flange plates 1 are connected through a reinforcing connector 8 or a second extension piece 9, and the second assembly holes 2-1 of the second flange plates 2 are connected through a reinforcing connector 8 or a second extension piece 9.
After the first assembling hole 1-1 and the second assembling hole 2-1 are matched and connected with the reinforced connecting piece 8, the structural stability of horizontal expanded connection of the two steel beams can be further improved. After the first assembling hole 1-1 and the second assembling hole 2-1 are matched and connected with the second expansion piece 9, the vertical expansion connection function of the steel beam can be realized.
As shown in fig. 7, the reinforcing connector 8 comprises a v-21274, a c-shaped frame body 8-1, wherein both the top frame plate and the bottom frame plate of the v-21274, the top frame plate and the bottom frame plate of the c-shaped frame body 8-1 are provided with reinforcing butt joint holes 8-2 connected with the first assembly holes 1-1 or the second assembly holes 2-1 through a second connector, and the second connector can be a bolt and a nut.
When the reinforcing connecting piece 8 is used, only the 21274of the V-shaped frame body 8-1 needs to be clamped on the first flange plate 1 or the second flange plate 2, and then the reinforcing butt joint hole 8-2 is connected and fixed with the first assembly hole 1-1 or the second assembly hole 2-1 through a bolt and a nut, so that the dismounting operation is very simple and convenient, and the two horizontally expanded steel beams can be effectively reinforced and connected.
As shown in fig. 9, the second extension member 9 includes a support plate 9-1 and a docking plate 9-2 vertically connected to the support plate 9-1, the support plate 9-1 is provided with a first extension docking hole 9-3 connected to the first assembly hole 1-1 or the second assembly hole 2-1 through a connector, and the docking plate 9-2 is provided with a second extension docking hole 9-4 connected to the first assembly hole 1-1 or the second assembly hole 2-1 of the vertically arranged steel beam through a connector. The third connecting piece can be a bolt and a nut, and the fourth connecting piece can be a bolt and a nut.
When the second expansion piece 9 is used, the support plate 9-1 is only required to be attached and connected with the first flange plate 1 or the second flange plate 2 of the horizontally placed steel beam, then the first expansion butt joint hole 9-3 is fixedly connected with the first assembly hole 1-1 or the second assembly hole 2-1 through a bolt and a nut, and then, the vertically arranged steel beam is placed on the supporting plate 9-1, the first assembling hole 1-1 or the second assembling hole 2-1 of the vertically arranged steel beam is aligned with the second expansion butt joint hole 9-4 on the butt joint plate 9-2, and finally the second expansion butt joint hole 9-4 is fixedly connected with the first assembling hole 1-1 or the second assembling hole 2-1 through a bolt and a nut, so that the assembly and disassembly are very simple, and the second expansion piece 9 of the structure can quickly and simply realize the vertical expansion connection of the steel beam.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims (10)

1. Steel reinforced concrete integrated configuration girder steel, its characterized in that: the flange plate comprises a first flange plate (1) and a second flange plate (2) which are arranged in parallel, and a web plate (3) which vertically connects the first flange plate (1) and the second flange plate (2); concrete blocks (4) are poured among the first flange plate (1), the second flange plate (2) and the web plate (3); web plate holes (3-1) used for being connected with another steel beam through an expansion piece (5) are formed in the two ends of the web plate (3) in the length direction; the expansion piece (5) comprises a first connecting plate (5-1) and a second connecting plate (5-2), wherein the first connecting plate (5-1) is used for being attached and connected with two adjacent webs (3), the second connecting plate (5-2) is perpendicular to the first connecting plate (5-1) and is used for being attached and connected with the concrete block (4), and the first connecting plate (5-1) is provided with a first connecting hole (5-3) which is matched and connected with the web holes (3-1) through a connecting piece.
2. The steel-concrete composite structural beam of claim 1, wherein: concrete block (4) have buried underground the edge bracing piece (6) that web (3) length direction set up, the axial both ends of bracing piece (6) be equipped with the protrusion in threaded connection head (6-1) of concrete block (4), second connecting plate (5-2) are opened has the permission threaded connection head (6-1) axial second connecting hole (5-4) of passing, threaded connection head (6-1) still sets the fastening nut that dismantlement formula was connected.
3. The steel-concrete composite structural beam of claim 2, wherein: first flange board (1) with the welding has first steel pole (7-1) between second flange board (2), web (3) welding has second steel pole (7-2), first steel pole (7-1) with second steel pole (7-2) all are located inside concrete block (4).
4. The steel-concrete composite structural beam of claim 3, wherein: part of the first steel rod (7-1) and part of the second steel rod (7-2) penetrate through the supporting rod (6), and the supporting rod (6) is provided with a limiting hole (6-2) allowing the first steel rod (7-1) or the second steel rod (7-2) to penetrate through.
5. The steel-concrete composite structural beam of claim 3, wherein: the free end of the second steel rod (7-2) is bent.
6. The steel-concrete composite structural beam of claim 1, wherein: the length direction both ends of first flange board (1) are opened there are first pilot hole (1-1), open the length direction both ends of second flange board (2) has second pilot hole (2-1), adjacent two first pilot hole (1-1) of first flange board (1) are connected through add connector (8) or second extension piece (9), adjacent two second pilot hole (2-1) of second flange board (2) are connected through add connector (8) or second extension piece (9).
7. The steel-concrete composite structural beam of claim 6, wherein: the reinforcing connecting piece (8) comprises a v-21274and a v-21274h-shaped frame body (8-1), wherein the top frame plate and the bottom frame plate of the v-21274h-shaped frame body (8-1) are respectively provided with a reinforcing butt joint hole (8-2) which is connected with the first assembling hole (1-1) or the second assembling hole (2-1) through a second connecting piece.
8. The steel-concrete composite structural beam of claim 7, wherein: the first connecting piece and the second connecting piece both comprise bolts and nuts.
9. The steel-concrete composite structural beam of claim 6, wherein: the second expansion piece (9) comprises a supporting plate (9-1) and a butt plate (9-2) vertically connected with the supporting plate (9-1), the supporting plate (9-1) is provided with a first expansion butt hole (9-3) connected with the first assembling hole (1-1) or the second assembling hole (2-1) through a connecting piece III, and the butt plate (9-2) is provided with a second expansion butt hole (9-4) connected with the first assembling hole (1-1) or the second assembling hole (2-1) of the vertically arranged steel beam through a connecting piece IV.
10. The steel-concrete composite structural beam of claim 9, wherein: and the third connecting piece and the fourth connecting piece both comprise bolts and nuts.
CN202121242993.5U 2021-06-04 2021-06-04 Steel beam with steel concrete combined structure Active CN215106580U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116254756A (en) * 2023-05-16 2023-06-13 山西一建集团有限公司 Assembled steel structure bridge connecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116254756A (en) * 2023-05-16 2023-06-13 山西一建集团有限公司 Assembled steel structure bridge connecting device

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