CN213710099U - U-shaped steel beam structure - Google Patents
U-shaped steel beam structure Download PDFInfo
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- CN213710099U CN213710099U CN202022374695.3U CN202022374695U CN213710099U CN 213710099 U CN213710099 U CN 213710099U CN 202022374695 U CN202022374695 U CN 202022374695U CN 213710099 U CN213710099 U CN 213710099U
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Abstract
The application discloses U-shaped steel beam structure relates to the building material field, and it includes the precast beam case, the precast beam case includes roof beam case bottom plate and two roof beam case curb plates, two the equal perpendicular to roof beam case bottom plate of roof beam case curb plate, roof beam case bottom plate and two roof beam case curb plate cooperations are formed with pours the cavity, two one side that roof beam case bottom plate was kept away from to the roof beam case curb plate all is fixed with the backup pad, two the backup pad cooperation is formed with pours the mouth, pour the mouth and pour the cavity intercommunication, two all be fixed with the gusset on the lateral wall that the roof beam case curb plate is close to each other. This application has the effect that improves precast concrete combination beam's structural strength.
Description
Technical Field
The application relates to the field of building materials, in particular to a U-shaped steel beam structure.
Background
The beam is a member which bears vertical load and mainly bends. The beams carry the entire weight of the elements of the superstructure and the roof, the most important part of the superstructure. The beams are named differently according to their specific positions, detailed shapes, specific functions, and the like. Most of the beams are oriented in line with the cross-section of the building.
The precast beam is prefabricated in a factory and then is transported to a construction site to be installed and fixed according to the position required by the design.
Current precast beam mostly is the box girder structure, and during the preparation precast beam, make the precast beam case earlier usually, the precast beam case is including pouring the cavity, then with concrete placement in pouring the cavity again. However, when the concrete is solidified, the concrete is bonded with the side wall of the pouring chamber, and the contact area between the precast beam box and the concrete is small, so that the bonding strength between the precast beam box and the concrete is poor, and the structural strength of the precast combined beam is low, and a part to be improved exists.
SUMMERY OF THE UTILITY MODEL
In order to improve the structural strength of precast concrete combination beam, this application provides a U-shaped steel girder structure.
The application provides a U-shaped steel beam structure adopts following technical scheme: the utility model provides a U-shaped steel beam structure, includes the precast beam case, the precast beam case includes roof beam case bottom plate and two roof beam case curb plates, two the equal perpendicular to roof beam case bottom plate of roof beam case curb plate, roof beam case bottom plate and two roof beam case curb plate cooperations are formed with pours the cavity, two one side that the roof beam case bottom plate was kept away from to the roof beam case curb plate all is fixed with the backup pad, two the backup pad cooperation is formed with pours the mouth, pour the mouth and pour the cavity intercommunication, two all be fixed with the gusset on the lateral wall that the roof beam case curb plate is close to each other.
Through adopting above-mentioned technical scheme, when pouring, the staff with concrete placement in pouring the cavity, with the help of fixing the gusset on the lateral wall that the roof beam case curb plate is close to each other, help increasing the area of contact of precast beam case and concrete to help improving the bond strength of precast beam case and concrete, and then help improving the structural strength of precast concrete composite beam.
Preferably: and the side walls of the two beam box side plates, which are close to each other, are fixed with transverse reinforcing plates.
Through adopting above-mentioned technical scheme, with the help of horizontal reinforcing plate, help increasing the area of contact of precast beam case and concrete to help improving the bond strength of precast beam case and concrete, and then help improving the structural strength of precast concrete combination beam.
Preferably: and a vertical reinforcing plate is fixed on the upper side of the beam box bottom plate.
Through adopting above-mentioned technical scheme, with the help of vertical reinforcing plate, help increasing the area of contact of precast beam case and concrete to help improving the bond strength of precast beam case and concrete, and then help improving the structural strength of precast concrete combination beam
Preferably: the cross section of the rib plate perpendicular to the length direction is trapezoidal, the trapezoidal short side of the cross section of the rib plate abuts against the side wall, close to the pouring cavity, of the beam box side plate, and the trapezoidal long side of the cross section of the rib plate extends into the pouring cavity.
Through adopting above-mentioned technical scheme, when pouring, the concrete gets into in the space between gusset and roof beam frame curb plate to make the trapezoidal long limit of gusset inlay and establish in the concrete base member, help increasing the area of contact of concrete and precast beam case on the one hand, on the other hand helps improving precast beam case and the compactness that the concrete bonds, and then help improving the structural strength of precast concrete combination beam.
Preferably: the rib plates are vertically arranged, and the bottom surfaces of the rib plates are fixedly connected with the upper side surfaces of the beam box bottom plates.
Through adopting above-mentioned technical scheme, with the help of the gusset with roof beam case bottom plate and roof beam case curb plate fixed connection, help improving precast beam frame overall structure's structural strength, and then help reducing the deformation volume of precast beam frame when concreting.
Preferably: an angle steel is arranged at the pouring opening and fixedly connected with the two supporting plates.
Through adopting above-mentioned technical scheme, with the help of two backup pads of angle steel fixed connection, help improving precast beam frame overall structure's structural strength, and then help reducing the deformation volume of precast beam frame when concreting.
Preferably: arbitrary rectangular steel sheet of angle steel is fixed between two backup pads, another rectangular steel sheet of angle steel stretches into in pouring the cavity.
Through adopting above-mentioned technical scheme, stretch into one of them rectangular steel sheet in the cavity of pouring with the help of the angle steel, help increasing the area of contact of precast beam case and concrete to help improving the bond strength of precast beam case and concrete, and then help improving the structural strength of precast concrete combination beam.
Preferably: the both sides of precast beam case length direction all are fixed with accepts the board, just two it all deviates from the roof beam case bottom plate to accept the board.
Through adopting above-mentioned technical scheme, with the help of the board of accepting of precast beam case length direction both sides, help improving precast concrete composite beam and accept the stability of connecing superstructure.
Preferably: the cross section of the rib plate perpendicular to the length direction is trapezoidal, the trapezoidal short side of the cross section of the rib plate abuts against the side wall, close to the pouring cavity, of the beam box side plate, and the trapezoidal long side of the cross section of the rib plate extends into the pouring cavity.
Through adopting above-mentioned technical scheme, when pouring, the concrete gets into in the space between gusset and roof beam frame curb plate to make the trapezoidal long limit of gusset inlay and establish in the concrete base member, help increasing the area of contact of concrete and precast beam case on the one hand, on the other hand helps improving precast beam case and the compactness that the concrete bonds, and then help improving the structural strength of precast concrete combination beam.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) the contact area between the precast beam box and the concrete is increased by virtue of the rib plates fixed on the side walls of the beam box side plates, which are close to each other, so that the bonding strength between the precast beam box and the concrete is improved, and the structural strength of the precast concrete combined beam is improved;
(2) through the angle steel and with the cooperation of beam frame bottom plate and beam frame curb plate fixed connection's the two to help improving precast beam case overall structure's structural strength, and then help reducing the deformation volume of precast beam case when concreting.
Drawings
Fig. 1 is a schematic view of the present embodiment 1 mainly showing the overall structure of the composite beam;
fig. 2 is a schematic view of the composite beam of this embodiment 2 mainly showing the overall structure of the composite beam.
Reference numerals: 1. prefabricating a beam box; 2. a beam box bottom plate; 3. a beam box side plate; 31. a support plate; 32. a rib plate; 4. pouring a cavity; 5. pouring a mouth; 51. angle steel; 6. a bearing plate; 7. a transverse stiffener; 8. a vertical reinforcing plate.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Example 1:
the embodiment of the application discloses U-shaped steel beam structure. Referring to fig. 1, U-shaped steel girder structure includes precast beam case 1, and precast beam case 1 includes roof beam case bottom plate 2 and roof beam case curb plate 3, and 3 perpendicular to roof beam case bottom plates 2 of roof beam case curb plate, 3 equal welded fastening in 2 width direction's of roof beam case bottom plate both sides of roof beam case curb plate have one and the cooperation is formed with pours cavity 4. One side of two roof beam case curb plates 3 keeping away from roof beam case bottom plate 2 all is fixed with backup pad 31, and two backup pads 31 all are on a parallel with roof beam case bottom plate 2, and two backup pads 31 cooperation are formed with pours mouthful 5, pours mouthful 5 and pours cavity 4 intercommunication. Rib plates 32 are welded on the side walls of the two beam box side plates 3 close to each other.
When pouring, the worker pours concrete into the pouring cavity 4 from the pouring opening 5, and with the help of the rib plates 32 fixed on the inner wall of the pouring cavity 4, the contact area between the concrete and the precast beam box 1 is increased, so that the bonding strength between the precast beam box 1 and the concrete is increased, and the structural strength of the precast concrete composite beam is further improved.
Referring to fig. 1, the rib plates 32 are vertically arranged, the length direction of the rib plates 32 is parallel to the width direction of the beam box side plates 3, the bottom surfaces of the rib plates 32 are fixedly welded to the upper side surface of the beam box bottom plate 2, and four rib plates 32 are respectively arranged on the two beam box side plates 3 at equal intervals along the length direction of the two beam box side plates 3. When the concrete is condensed, the rib plates 32 are embedded into the concrete matrix, so that the bonding tightness between the precast beam box 1 and the concrete is improved.
All welded fastening has horizontal reinforcing plate 7 on the lateral wall that two roof beam case curb plates 3 are close to each other, and horizontal reinforcing plate 7 all has two along the length direction of roof beam case curb plate 3 welded fastening respectively on the lateral wall that two roof beam case curb plates 3 are close to each other, and horizontal reinforcing plate 7 stretches into from the junction of horizontal reinforcing plate 7 and roof beam case curb plate 3 and pours in the cavity 4. The upper side of the middle part of the beam box bottom plate 2 in the width direction is fixedly welded with a vertical reinforcing plate 8, and the length direction of the vertical reinforcing plate 8 is parallel to the length direction of the beam box bottom plate 2.
When pouring, the concrete enters the gap between the transverse reinforcing plate 7 and the beam box side plate 3, and when the concrete is solidified, the transverse reinforcing plate 7 is obliquely inserted into the concrete matrix, so that the bonding tightness between the precast beam box 1 and the concrete is improved.
Referring to fig. 1, an angle steel 51 is arranged at the pouring opening 5, the length direction of the angle steel 51 is parallel to the width direction of the beam box bottom plate 2, any long steel plate of the angle steel 51 is welded and fixed between the two support plates 31, and the other long steel plate of the angle steel 51 extends into the pouring chamber 4. And three angle steels 51 are provided at intervals along the longitudinal direction of the support plate 31 at the pouring port 5. All welded fastening has the board 6 of accepting in 1 length direction both sides of precast beam case, and two are accepted the board 6 and all set up in one side that 1 deviates from roof beam case bottom plate 2 of precast beam case, and two are accepted the board 6 and all are on a parallel with roof beam case bottom plate 2. The two support plates 31 are fixedly connected by means of the angle steel 51 and the bearing plate 6, the integral structural strength of the precast beam box 1 is improved, and the deformation of the precast beam box 1 during concrete pouring is reduced.
The implementation principle of the embodiment 1 is as follows: when in pouring, the worker pours the concrete into the pouring cavity 4, the contact area between the concrete and the pouring cavity 4 is increased by means of the rib plates 32, the transverse reinforcing plates 7, the vertical reinforcing plates and the angle steel 51, and the contact area between the concrete and the precast beam box 1 is increased, so that the bonding strength between the precast beam box 1 and the concrete is improved, and the structural strength of the precast concrete composite beam is further improved; the two support plates 31 are fixedly connected by means of the angle steel 51 and the bearing plate 6, the integral structural strength of the precast beam box 1 is improved, and the deformation of the precast beam box 1 during concrete pouring is reduced.
Example 2
Referring to fig. 2, the difference between this embodiment and embodiment 1 is that the cross section of the rib plate 32 perpendicular to the length direction thereof is trapezoidal, the shorter trapezoidal side of the cross section of the rib plate 32 abuts against the side wall of the beam box side plate 3 close to the casting cavity 4, and the longer trapezoidal side of the cross section of the rib plate 32 extends into the casting cavity 4. When the concrete is condensed, the long sides of the rib plates 32 are embedded into the concrete matrix, so that the bonding tightness between the precast beam box 1 and the concrete is improved.
The implementation principle of the embodiment 2 is as follows: when the concrete condenses, the cross section is in trapezoidal gusset 32 embedding concrete base, has increased the area of contact of gusset 32 with concrete base on the one hand, and on the other hand the gusset 32 in the embedding concrete base has improved precast beam case 1 and concrete base's joint strength, and then has improved the overall structure intensity of concrete composite beam.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a U-shaped steel girder structure, includes precast beam case (1), precast beam case (1) includes roof beam case bottom plate (2) and two roof beam case curb plates (3), two equal perpendicular to roof beam case bottom plate (2) of roof beam case curb plate (3), roof beam case bottom plate (2) and two roof beam case curb plate (3) cooperations are formed with pours cavity (4), its characterized in that, two one side that roof beam case bottom plate (2) were kept away from in roof beam case curb plate (3) all is fixed with backup pad (31), two backup pad (31) cooperation is formed with pours mouth (5), pour mouth (5) and pour cavity (4) intercommunication, two all be fixed with gusset (32) on the lateral wall that roof beam case curb plate (3) are close to each other.
2. A U-shaped steel girder construction according to claim 1 wherein lateral stiffening plates (7) are fixed to the adjacent side walls of the two girder box side plates (3).
3. A U-shaped steel girder construction according to claim 1, characterised in that vertical stiffening plates (8) are fixed to the upper side of the girder box bottom plate (2).
4. A U-shaped steel girder structure according to claim 1, wherein the rib plates (32) are vertically arranged, and the bottom surfaces of the rib plates (32) are fixedly connected with the upper side surface of the girder box bottom plate (2).
5. A U-shaped steel section beam structure according to claim 1, characterized in that an angle steel (51) is arranged at the pouring opening (5), and the angle steel (51) is fixedly connected with two support plates (31).
6. A U-shaped steel section beam structure according to claim 5, characterized in that any elongated steel plate of said angle steel (51) is fixed between two support plates (31), and the other elongated steel plate of said angle steel (51) extends into the casting cavity (4).
7. A U-shaped steel girder structure according to claim 1, wherein receiving plates (6) are fixed to both sides of the precast girder box (1) in the length direction, and both receiving plates (6) are away from the girder box bottom plate (2).
8. The U-shaped steel beam structure according to claim 1, wherein the cross section of the rib plate (32) perpendicular to the length direction is trapezoidal, the short trapezoidal side of the cross section of the rib plate (32) abuts against the side wall of the beam box side plate (3) close to the pouring chamber (4), and the long trapezoidal side of the cross section of the rib plate (32) extends into the pouring chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374695.3U CN213710099U (en) | 2020-10-22 | 2020-10-22 | U-shaped steel beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374695.3U CN213710099U (en) | 2020-10-22 | 2020-10-22 | U-shaped steel beam structure |
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| Publication Number | Publication Date |
|---|---|
| CN213710099U true CN213710099U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022374695.3U Active CN213710099U (en) | 2020-10-22 | 2020-10-22 | U-shaped steel beam structure |
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| CN (1) | CN213710099U (en) |
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- 2020-10-22 CN CN202022374695.3U patent/CN213710099U/en active Active
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