CN218374710U - Steel-concrete composite beam structure adopting centering annular perforated steel plate connecting piece - Google Patents
Steel-concrete composite beam structure adopting centering annular perforated steel plate connecting piece Download PDFInfo
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- CN218374710U CN218374710U CN202221935617.9U CN202221935617U CN218374710U CN 218374710 U CN218374710 U CN 218374710U CN 202221935617 U CN202221935617 U CN 202221935617U CN 218374710 U CN218374710 U CN 218374710U
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Abstract
The utility model relates to an adopt steel-concrete composite beam structure of centering loop type trompil steel sheet connecting piece, including the girder steel, the girder steel upper end is provided with trompil steel sheet connecting piece, trompil steel sheet connecting piece middle part is provided with the running through reinforcing bar, trompil steel sheet connecting piece upper portion is provided with concrete slab, seted up on the trompil steel sheet connecting piece and reserved the locating hole, it is provided with the centering ring in the locating hole to reserve, the running through reinforcing bar runs through and carries out the centering at trompil steel sheet connecting piece to the centering ring setting. The utility model provides a thin wall centering ring form is simple, and it is convenient to make for the thin steel bar that supports the centering ring also can play the effect that improves connecting piece bearing capacity. In addition, the double-perforated steel plate can further improve the bearing capacity of the shear connector.
Description
Technical Field
The utility model relates to a structural engineering technical field, more specifically says, relates to an adopt steel-concrete composite beam structure of centering ring type trompil steel sheet connecting piece.
Background
The steel-concrete composite beam can fully exert the better tensile capacity of the steel beam and the better compression capacity of the concrete, thereby being widely applied to the fields of bridge engineering and the like. The steel-concrete composite beam has the precondition that the steel beam and the concrete slab are well connected together by the shear connector, and the shear connector mainly plays a role in resisting longitudinal shear force between the steel beam and the concrete slab and simultaneously resisting vertical lifting of the concrete slab. The stud and the perforated steel plate connecting piece are common shear connecting pieces in the composite beam, and researches prove that the shear resistance of the perforated steel plate connecting piece is superior to that of the stud connecting piece. The principle of the perforated steel plate shear connector is as follows: and welding a perforated steel plate on the upper flange of the steel beam, penetrating the steel bar through the center of the hole of the perforated plate, then pouring concrete, and using the concrete tenon penetrating through the steel bar and the hole to bear shearing force together. However, during the casting process, the through steel bars are easily disturbed to deviate, and the working performance of the shear connector is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a centering annular trompil steel sheet simple structure, design construction convenience and reasonable adoption centering annular trompil steel sheet connecting piece's steel-concrete composite beam structure.
The utility model provides a technical scheme that its technical problem adopted is: the steel-concrete composite beam structure comprises a steel beam, wherein the upper end of the steel beam is provided with a perforated steel plate connecting piece, a through reinforcing steel bar is arranged in the middle of the perforated steel plate connecting piece, the upper portion of the perforated steel plate connecting piece is provided with a concrete slab, a reserved positioning hole is formed in the perforated steel plate connecting piece, a centering ring is arranged in the reserved positioning hole, and the through reinforcing steel bar penetrates through the centering ring to be arranged on the perforated steel plate connecting piece for centering.
According to the scheme, the centering ring comprises a thin-wall circular ring and thin steel bars, and the penetrating steel bars are arranged on the thin-wall circular ring.
According to the scheme, the thin steel bars are arranged between the reserved positioning holes and the thin-wall circular rings, the thin steel bars are arranged in the reserved positioning holes in a vertical direction, a horizontal direction and a vertical direction, and the two ends of the thin steel bars are fixedly arranged with the reserved positioning holes and the thin-wall circular rings respectively.
According to the scheme, the perforated steel plate connecting piece comprises a first perforated steel plate and a first perforated steel plate which are arranged in parallel, the perforated distance between the reserved positioning holes formed in the first perforated steel plate and the first perforated steel plate is larger than 2.25D, D is the diameter of the reserved positioning holes, and the hole center of the reserved positioning holes is located at the position of one half of the height of the first perforated steel plate and the height of the second perforated steel plate.
According to the above scheme, the girder steel includes girder steel top flange, girder steel web and girder steel bottom flange, girder steel web one end is fixed to be set up on the girder steel top flange, girder steel web other end is fixed to be set up on the girder steel bottom flange.
According to the scheme, the steel beam is an I-shaped steel beam, an H-shaped steel beam or a box-shaped steel beam.
According to the scheme, a reinforcing mesh consisting of transverse reinforcing steel bars and longitudinal reinforcing steel bars is arranged in the concrete slab.
According to the scheme, the concrete slab is a steel fiber concrete slab, an ultra-high performance concrete slab or a lightweight aggregate concrete slab.
According to the scheme, the penetrating steel bar is a ribbed steel bar, and the diameter of the penetrating steel bar is not less than 12mm.
According to above-mentioned scheme, the thick board of first trompil steel sheet and second trompil steel sheet is not less than 12mm, first trompil steel sheet and second trompil steel sheet height select for use 100mm,150mm or 200mm, and the diameter D of reserving the locating hole selects for use 45mm, 60mm or 70mm.
Implement the utility model discloses an adopt centering ring type trompil steel sheet connecting piece's steel-concrete composite beam structure has following beneficial effect:
1. the utility model has high industrialization degree, the steel beam, the perforated steel plate connecting piece and the centering ring can be produced in a factory in a customized way, and the steel beam, the perforated steel plate connecting piece and the centering ring are easy to process and convenient and quick to install;
2. the utility model welds the thin-wall centering ring in the reserved positioning hole of the perforated steel plate of the traditional perforated steel plate connecting piece, and can conveniently pass through the through reinforcing steel bar, so that the through reinforcing steel bar can keep centering in the hole of the perforated steel plate, and the problem that the through reinforcing steel bar of the traditional perforated steel plate connecting piece is difficult to center is solved;
3. the thin steel bars welded on the outer side of the thin-wall circular ring and the inner side of the reserved positioning hole of the perforated steel plate are used for fixing the thin-wall circular ring in the center of the hole of the perforated steel plate, and the thin steel bars have certain bearing capacity and can improve the bearing performance of the perforated steel plate shear connector;
4. the utility model discloses treat after concrete placement accomplishes, thin reinforcing bar and thin wall ring can act as the effect of downthehole concrete stirrup, have further improved the anti bearing capacity of shearing of downthehole concrete tenon, and then improve shear force connecting piece's bearing capacity, adopt two trompil steel sheets to make the anti bearing capacity of shearing of connecting piece further improve.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic structural view of a steel-concrete composite beam structure using a centering ring-shaped perforated steel plate connecting member according to the present invention;
FIG. 2 is a schematic structural view of the connection between the steel beam and the centering ring-shaped perforated steel plate connection member of the present invention;
fig. 3 is a schematic cross-sectional view of the connection member of the steel beam and the centering ring-shaped perforated steel plate of the present invention;
FIG. 4 is a schematic structural view of the perforated steel plate of the present invention connected to the centering ring;
FIG. 5 is a schematic view of the internal structure of a single hole of the perforated steel plate of the present invention;
fig. 6 is a schematic view of the structure of the reserved positioning holes and the thin steel bars of the present invention;
fig. 7 is the connection schematic diagram of the perforated steel plate, the through reinforcement and the centering ring of the present invention.
In the figure: 1. concrete slab, 2, steel beam, 21, steel beam upper flange, 22, steel beam web, 23, steel beam lower flange, 3, perforated steel plate connecting piece, 31, first perforated steel plate, 32, second perforated steel plate, 33, penetrating steel bar, 34, reserved positioning hole, 4, centering ring, 41, thin-wall ring, 42 and thin steel bar.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-7, the utility model discloses an adopt steel-concrete composite beam structure of centering loop type trompil steel sheet connecting piece includes girder steel 2, and girder steel 2 includes girder steel top flange 21, girder steel top flange 22 and girder steel top flange 23, and girder steel top flange 22 one end is fixed to be set up on girder steel top flange 21, and girder steel top flange 22 other end is fixed to be set up on girder steel top flange 23. The steel beam 2 is an I-shaped steel beam, an H-shaped steel beam or a box-shaped steel beam. The upper end of the steel beam 2 is provided with a perforated steel plate connecting piece 3, the middle part of the perforated steel plate connecting piece 3 is provided with a through reinforcing steel bar 33, and the through reinforcing steel bar 33 is arranged on the thin-wall circular ring 41. The penetrating steel bar 33 is a ribbed steel bar, and the diameter of the penetrating steel bar 33 is not less than 12mm. The upper part of the perforated steel plate connecting piece 3 is provided with a concrete plate 1, and a reinforcing mesh consisting of transverse reinforcing steel bars and longitudinal reinforcing steel bars is arranged in the concrete plate 1. The concrete slab 1 is a steel fiber concrete slab, an ultra-high performance concrete slab or a lightweight aggregate concrete slab. The perforated steel plate connecting piece 3 is provided with a reserved positioning hole 34, a centering ring 4 is arranged in the reserved positioning hole 34, the centering ring 4 comprises a thin-wall circular ring 41 and a thin steel bar 42, and the penetrating steel bar 33 penetrates through the centering ring 4 to be arranged on the perforated steel plate connecting piece 3 for centering.
The thin steel bars 42 are arranged between the reserved positioning holes 34 and the thin-wall circular rings 41, the thin steel bars 42 are arranged in the reserved positioning holes 34 in a vertical horizontal direction, and the two ends of the thin steel bars 42 are fixedly arranged with the reserved positioning holes 34 and the thin-wall circular rings 41 respectively. The perforated steel plate connecting piece 3 comprises a first perforated steel plate 31 and a first perforated steel plate 31 which are arranged in parallel, and the perforated distance between the reserved positioning holes 34 arranged on the first perforated steel plate 31 and the first perforated steel plate 31 is larger than 2.25D. The center of the hole reserved for the positioning hole 34 is located at a half of the height of the first and second hole-forming steel plates 31 and 32. The thicknesses of the first perforated steel plate 31 and the second perforated steel plate 32 are not less than 12mm, the heights of the first perforated steel plate 31 and the second perforated steel plate 32 are 100mm,150mm or 200mm, and the diameter D of the reserved positioning hole 34 is 45mm, 60mm or 70mm.
The preferred embodiment of the utility model discloses a, including concrete slab 1, girder steel 2, trompil steel sheet connecting piece 3 and centering ring 4. A steel bar mesh consisting of transverse steel bars and longitudinal steel bars is arranged in a concrete slab 1, a steel beam 2 comprises a steel beam upper flange 21, a steel beam upper flange 22 and a steel beam upper flange 23, one end of the steel beam upper flange 22 is welded in the middle of the steel beam upper flange 21, the other end of the steel beam upper flange 22 is welded in the middle of the steel beam upper flange 23, a perforated steel plate connecting piece 3 consists of a first perforated steel plate 31, a second perforated steel plate 32 and a through steel bar 33, a plurality of reserved positioning holes 34 are formed in the first perforated steel plate 31 and the second perforated steel plate 32, the through steel bar 33 is a ribbed steel bar, a centering ring 4 comprises a thin-wall ring 41 and a thin steel bar 42, the thin-wall ring 41 is welded on the inner sides of the perforated steel plate positioning holes by the thin steel bar 42, the thin-wall ring 41 is welded in pairs in the centers of the reserved positioning holes 34 and is welded at the openings of the reserved positioning holes 34, one end of the thin steel bar 42 is welded on the upper side, the lower side, the left side and the right side of the outer side of the thin steel bar 42 is welded in the reserved positioning holes 34, the upper side, the left side and right side of the thin steel bar 42 side of the left side of the thin steel bar side of the reserved positioning hole 34, and the through steel bar 33 passes through the thin steel bar 41 for centering.
The utility model discloses an in the preferred embodiment, by concrete slab 1, girder steel 2, trompil steel sheet connecting piece 3 and centering ring 4 constitute, the structure industrialization degree is high, girder steel 2, trompil steel sheet connecting piece 3 and centering ring 4 all can be at the customization production of mill, and easy to process, simple to operate is swift, weld thin wall centering ring 4 in the reservation locating hole 34 of traditional trompil steel sheet connecting piece 3, can pass through reinforcing bar 33 very conveniently, make through reinforcing bar 33 can keep the centering in the hole of reservation locating hole 34, the difficult problem that traditional trompil steel sheet connecting piece 3 runs through reinforcing bar 33 and is difficult to the centering has been solved, adopt to weld in thin wall ring 41 outside and reserve the central center of hole that thin wall ring 41 is fixed in reservation locating hole 34 with thin reinforcing bar 42 in four azimuths about the locating hole 34 inboard, certain bearing capacity that thin reinforcing bar 42 has, can improve the bearing capacity of trompil steel sheet shear force connecting piece, treat after the pouring completion, thin reinforcing bar 42 and thin wall ring 41 can act as the effect of reserving the interior concrete stirrup of reservation locating hole 34, the anti-shear force of reservation locating hole 34 concrete has further improved, and shear force bearing capacity of shear force connecting piece.
The utility model discloses an in the preferred embodiment, optional recruitment style of calligraphy girder steel 2, box girder steel 2 of girder steel 2, the material can be according to the required Q235 or Q355 steel of chooseing for use of engineering. The concrete slab 1 can be selected from steel fiber concrete slabs, ultra-high performance concrete slabs and lightweight aggregate concrete slabs. The thin steel bar 42 has enough strength, the diameter of the thin steel bar 42 is 1-1.5 mm, one end of the thin steel bar 42 is welded at four positions of the outer side of the thin-wall ring 41, and the other end of the thin steel bar 42 is welded at four positions of the inner side of the hole of the reserved positioning hole 34; two thin steel bars 42 are arranged in one direction and welded in parallel along the height direction of the thin-wall circular ring 41.
The utility model discloses a preferred embodiment, first trompil steel sheet 31 and second trompil steel sheet 32 are thick should not be less than 12mm, can select 12mm, 16mm, 20mm or 22mm, first trompil steel sheet 31 and second trompil steel sheet 32 highly can select 100mm for use, 150mm or 200mm, the hole center of reserving locating hole 34 is located the high half department of first trompil steel sheet and second trompil steel sheet, trompil diameter D can select 45mm, 60mm or 70mm, the centre of a circle interval of reserving locating hole 34 of trompil steel sheet should be greater than 2.25D. The first perforated steel plate 31 and the second perforated steel plate 32 are symmetrically welded to two sides of the upper flange plate on two sides of the steel beam upper flange 22, and the welding position is located at one half of the flange plates on two sides of the steel beam upper flange 22. The penetrating reinforcing steel bar 33 is made of ribbed reinforcing steel bars, and the diameter of the penetrating reinforcing steel bar is not smaller than 12mm, and can be 12mm, 16mm or 20mm. The thickness of the thin-wall circular ring 41 can be 3-5 mm, and the height can be 1.5-3 mm; the diameter of the inner circular hole of the thin-wall circular ring 41 is 0.05-0.1 mm larger than that of the through reinforcing steel bar 33; the thin-wall circular rings 41 are arranged at the inlet and the outlet of the reserved hole of the perforated steel plate in pairs and cannot exceed the hole of the reserved hole of the perforated steel plate.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the scope of the present invention, and these forms are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides an adopt centering ring type trompil steel sheet connecting piece's steel-concrete composite beam structure, a serial communication port, includes the girder steel, the girder steel upper end is provided with trompil steel sheet connecting piece, trompil steel sheet connecting piece middle part is provided with the through reinforcement, trompil steel sheet connecting piece upper portion is provided with concrete slab, seted up on the trompil steel sheet connecting piece and reserved the locating hole, be provided with the centering ring in the reserved locating hole, the through reinforcement runs through the centering ring and sets up at the trompil steel sheet connecting piece and carry out the centering.
2. The steel-concrete composite beam structure using centering ring type perforated steel plate connectors according to claim 1, wherein the centering ring comprises thin-walled circular rings and thin reinforcing bars, and the through reinforcing bars are disposed on the thin-walled circular rings.
3. The steel-concrete composite beam structure adopting the centering ring type perforated steel plate connecting piece according to claim 2, wherein the thin steel bars are arranged between the reserved positioning holes and the thin-wall rings, the thin steel bars are separately arranged in the reserved positioning holes in the vertical and horizontal directions, and two ends of the thin steel bars are respectively fixedly arranged with the reserved positioning holes and the thin-wall rings.
4. The steel-concrete composite beam structure adopting the centering ring type perforated steel plate connecting piece as claimed in claim 1, wherein the perforated steel plate connecting piece comprises a first perforated steel plate and a first perforated steel plate which are arranged side by side, the perforated distance between the reserved positioning holes arranged on the first perforated steel plate and the first perforated steel plate is greater than 2.25D, D is the diameter of the reserved positioning holes, and the hole center of the reserved positioning holes is located at a position which is half of the height of the first perforated steel plate and the second perforated steel plate.
5. The steel-concrete composite beam structure using the centering ring-shaped perforated steel plate connecting member according to claim 1, wherein the steel beam includes a steel beam upper flange, a steel beam web and a steel beam lower flange, one end of the steel beam web is fixedly disposed on the steel beam upper flange, and the other end of the steel beam web is fixedly disposed on the steel beam lower flange.
6. The steel-concrete composite girder structure using centering ring type perforated steel plate connection according to claim 1, wherein the steel girder is an i-shaped steel girder, an H-shaped steel girder, or a box-shaped steel girder.
7. The steel-concrete composite beam structure using centering ring type perforated steel plate connectors according to claim 1, wherein a reinforcing mesh consisting of transverse reinforcing bars and longitudinal reinforcing bars is provided in the concrete slab.
8. The steel concrete composite beam structure using the mid-ring type open-hole steel plate connecting member as claimed in claim 7, wherein the concrete slab is a steel fiber concrete slab, an ultra high performance concrete slab or a lightweight aggregate concrete slab.
9. The steel-concrete composite beam structure using centering ring type perforated steel plate connectors according to claim 1, wherein the through-reinforcing bars are ribbed reinforcing bars, and the diameter of the through-reinforcing bars is not less than 12mm.
10. The steel-concrete composite beam structure adopting the centering ring type perforated steel plate connecting piece as claimed in claim 4, wherein the thickness of the first perforated steel plate and the second perforated steel plate is not less than 12mm, the height of the first perforated steel plate and the second perforated steel plate is 100mm,150mm or 200mm, and the diameter D of the reserved positioning hole is 45mm, 60mm or 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221935617.9U CN218374710U (en) | 2022-07-21 | 2022-07-21 | Steel-concrete composite beam structure adopting centering annular perforated steel plate connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221935617.9U CN218374710U (en) | 2022-07-21 | 2022-07-21 | Steel-concrete composite beam structure adopting centering annular perforated steel plate connecting piece |
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| Publication Number | Publication Date |
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| CN218374710U true CN218374710U (en) | 2023-01-24 |
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|---|---|---|---|
| CN202221935617.9U Active CN218374710U (en) | 2022-07-21 | 2022-07-21 | Steel-concrete composite beam structure adopting centering annular perforated steel plate connecting piece |
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| CN (1) | CN218374710U (en) |
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- 2022-07-21 CN CN202221935617.9U patent/CN218374710U/en active Active
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