CN216688994U - Firm type prestressed concrete roof beam of structure - Google Patents
Firm type prestressed concrete roof beam of structure Download PDFInfo
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- CN216688994U CN216688994U CN202123454113.3U CN202123454113U CN216688994U CN 216688994 U CN216688994 U CN 216688994U CN 202123454113 U CN202123454113 U CN 202123454113U CN 216688994 U CN216688994 U CN 216688994U
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Abstract
The application relates to a prestressed concrete beam with a stable structure, which is applied to the technical field of prefabricated parts and comprises beam ribs and flanges symmetrically arranged on two sides of the upper end of each beam rib, wherein supporting members are arranged between the beam ribs and the flanges on the two sides, and a plurality of supporting members are distributed at intervals along the length direction of the prestressed concrete beam; the supporting member comprises a preset beam plate arranged in the beam rib, a preset wing plate arranged in the flange and a supporting steel plate welded between the preset beam plate and the preset wing plate. The supporting member of this application plays the effect of supporting each other beam rib and edge of a wing, makes the edge of a wing of both sides possess great bearing capacity, can bear the great pressure in road surface.
Description
Technical Field
The application relates to the field of prefabricated part technology, in particular to a prestressed concrete beam with a stable structure.
Background
The prestressed concrete beam is a beam which is made of prestressed concrete and has a T-shaped cross section, and a bridge span structure in rigid connection is adopted. The two sides of the beam are called flanges, and the middle part of the beam is called a beam rib. Which is formed by excavating concrete in a tensile region of the rectangular beam where the flexural strength is not effective. The bending strength of the concrete is completely the same as that of the original rectangle, but the concrete can be saved, the self weight of the member is reduced, and the spanning capability is improved.
The Chinese patent with the publication number of CN213596782U discloses a prestressed reinforced concrete prefabricated T-shaped beam, which is erected on a support of a pier and comprises beam ribs and flanges symmetrically arranged on two sides of the upper end of each beam rib, wherein the bottoms of two ends of each beam rib in the length direction are respectively provided with a notch at least provided with a horizontal top surface, the height of each horizontal top surface is higher than that of the bottom surface of each beam rib, and the T-shaped beam is erected on the support of the pier through the horizontal top surface.
In view of the above-mentioned related technologies, the inventor believes that the flanges on the two sides of the upper end of the beam rib need to bear a large pressure on the road surface, and the flanges on the two sides are both structures with the beam rib protruding outwards, so that the beam rib cannot be stably supported, and the bearing capacity of the flanges on the two sides is insufficient.
SUMMERY OF THE UTILITY MODEL
In order to improve the unable beam rib that obtains of edge of a wing of both sides and support steadily, lead to the not enough problem of edge of a wing bearing capacity of both sides, this application provides a structure firm type prestressed concrete roof beam.
The application provides a firm type prestressed concrete roof beam of structure adopts following technical scheme:
a prestressed concrete beam with a stable structure comprises beam ribs and flanges symmetrically arranged on two sides of the upper end of each beam rib, wherein a plurality of supporting members are arranged between each beam rib and the flanges on the two sides, and are distributed at intervals along the length direction of the prestressed concrete beam; the supporting member comprises a preset beam plate, a preset wing plate and a supporting steel plate, wherein the preset beam plate is arranged in the beam rib in advance, the preset wing plate is arranged in the flange in advance, and the supporting steel plate is welded between the preset beam plate and the preset wing plate.
Through adopting above-mentioned technical scheme, predetermine the roof beam board and predetermine in the inside of beam rib, predetermine the pterygoid lamina and predetermine the inside on the edge of a wing, consequently, predetermine the roof beam board and predetermine the stability of pterygoid lamina good. The supporting steel plate is welded between the preset beam plate and the preset wing plate, and plays a role in supporting the beam rib and the flange mutually, so that the flanges on two sides of the upper end of the beam rib have large bearing capacity, and the large pressure of the road surface can be borne.
Optionally, the preset beam plate extends out of the surface of the beam rib, the preset wing plate extends out of the surface of the flange, preset bent ribs are arranged on the preset beam plate and the preset wing plate, the preset bent ribs on the preset beam plate are preset in the beam rib, and the preset bent ribs on the preset wing plate are preset in the flange.
Through adopting above-mentioned technical scheme, the design is predetermine the beam slab and is extended the surface of beam rib to and the design is predetermine the pterygoid lamina and is extended the surface on the edge of a wing, be for the convenience support steel sheet with predetermine the beam slab and predetermine the pterygoid lamina and weld. In addition, predetermine the roof beam board and predetermine and set up on the pterygoid lamina and predetermine the muscle of bending, the multiplicable resistance to plucking of predetermineeing the roof beam board in the inside of beam rib and predetermine the pterygoid lamina in the inside on the edge of a wing, and then promote the stability of predetermineeing the roof beam board and predetermineeing the pterygoid lamina.
Optionally, the preset beam plate comprises a beam plate preset portion and a beam plate welding portion which are integrally formed, the beam plate preset portion and the beam plate welding portion form the preset beam plate with a T-shaped cross section, the beam plate preset portion and the preset bent rib are integrally formed, and the beam plate welding portion extends out of the surface of the beam rib and is welded with the support steel plate; predetermine the pterygoid lamina and include integrated into one piece's pterygoid lamina and predetermine portion and pterygoid lamina weld part, the pterygoid lamina predetermine the portion with pterygoid lamina weld part forms the cross section and is the T type predetermine the pterygoid lamina, the pterygoid lamina predetermine the portion with predetermine curved muscle integrated into one piece, the pterygoid lamina weld part extends the surface on the edge of a wing with the supporting steel plate welding.
Through adopting above-mentioned technical scheme, the cross section that portion and beam slab welding part formed is the predetermined beam slab of T type in the beam slab predetermines to and the cross section that portion and pterygoid lamina welding part formed is the predetermined pterygoid lamina of T type in the pterygoid lamina predetermine, and this project organization can promote the resistance to plucking of predetermineeing the beam slab and predetermineeing the pterygoid lamina, and then promotes the stability of predetermineeing the beam slab and predetermineeing the pterygoid lamina.
Optionally, the surfaces of the beam plate presetting portion and the wing plate presetting portion are both provided with ribs.
By adopting the technical scheme, the ribs arranged on the surfaces of the beam plate preset part and the wing plate preset part can improve the stability of the beam plate preset part in the beam rib and the stability of the wing plate preset part in the flange.
Optionally, two beam plate welding rods are integrally formed on the beam plate welding portion, and a space for placing a right-angle edge of the supporting steel plate is formed between the two beam plate welding rods; and two wing plate welding rods are integrally formed on the wing plate welding part, and a space for placing the other right-angle side of the supporting steel plate is formed between the two wing plate welding rods.
Through adopting above-mentioned technical scheme, two beam slab welding rods that set up in the beam slab welding portion and two pterygoid lamina welding rods that set up in the pterygoid lamina welding portion are for welding with beam slab welding portion and pterygoid lamina welding portion in order to make things convenient for the supporting steel plate, and can improve the stability of supporting steel plate welding between beam slab welding portion and pterygoid lamina welding portion.
Optionally, the supporting steel plate is provided with first welding plates on two sides of the right-angle edge of the beam plate welding rod, and the supporting steel plate is provided with second welding plates on two sides of the right-angle edge of the wing plate welding rod.
Through adopting above-mentioned technical scheme, the first board and the second of welding that set up is for the welding of the two right-angle sides of convenient supporting steel plate, can improve the stability of supporting steel plate welding on beam slab welding portion and pterygoid lamina welding portion.
Optionally, the beam plate welding rod and the beam plate welding portion and the wing plate welding rod and the wing plate welding portion are provided with reinforcing ribs.
By adopting the technical scheme, the reinforcing ribs are arranged between the beam plate welding rods and the beam plate welding parts, so that the structural strength between the beam plate welding rods and the beam plate welding parts can be increased; the strengthening rib that sets up between pterygoid lamina welding rod and the pterygoid lamina welding part can multiplicable pterygoid lamina welding rod and the structural strength between the pterygoid lamina welding part.
Optionally, the surface of the supporting steel plate is provided with a reinforcing rib.
Through adopting above-mentioned technical scheme, the stiffening rib that the supporting steel plate surface set up for promote the structural strength of supporting steel plate self, make the supporting steel plate can support the edge of a wing more steadily.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the preset beam plate is preset inside the beam rib, and the preset wing plate is preset inside the flange, so that the preset beam plate and the preset wing plate are good in stability, and the support steel plate is welded between the preset beam plate and the preset wing plate and plays a role in supporting the beam rib and the flange mutually, so that the flanges on two sides of the upper end of the beam rib have large bearing capacity and can bear large pressure of a road surface;
2. the preset bent ribs are arranged on the preset beam plate and the preset wing plate, so that the pulling resistance of the preset beam plate in the beam rib and the pulling resistance of the preset wing plate in the flange can be increased, and the stability of the preset beam plate and the preset wing plate can be improved;
3. the reinforcing rib that supporting steel plate surface set up for promote supporting steel plate self structural strength, make supporting steel plate can support the edge of a wing more stably.
Drawings
Fig. 1 is a schematic view of a structurally stable prestressed concrete girder according to an embodiment of the present application.
Fig. 2 is a schematic view of a support member in an embodiment of the present application.
Reference numerals: 1. a beam rib; 2. a flange; 3. a support member; 31. presetting a beam plate; 311. a beam plate presetting part; 312. beam-slab welds; 32. presetting a wing plate; 321. a wing plate presetting part; 322. a wing plate welding part; 33. a support steel plate; 4. presetting bent ribs; 5. ribbing; 6. welding rods for beam plates; 7. a wing plate electrode; 8. a first weld plate; 9. a second weld plate; 10. reinforcing ribs; 11. and (4) reinforcing ribs.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a structure firm type prestressed concrete roof beam. Referring to fig. 1, the structurally stable prestressed concrete girder includes a beam rib 1 and flanges 2 symmetrically disposed at both sides of the upper end of the beam rib 1. A plurality of supporting components 3 are distributed between the beam rib 1 and the flanges 2 at two sides at intervals, and the supporting components 3 can powerfully support the flanges 2 at two sides, so that the flanges 2 at two sides have larger bearing capacity and can bear larger pressure of a road surface.
Referring to fig. 1 and 2, the support member 3 includes a preset beam plate 31, a preset wing plate 32, and a support steel plate 33. Specifically, the preset beam plate 31 includes a preset beam plate portion 311 and a welding beam plate portion 312, the preset beam plate portion 311 and the welding beam plate portion 312 are integrally formed, and both form the preset beam plate 31 with a T-shaped cross section, the preset beam plate portion 311 is preset inside the beam rib 1, and therefore, stability is good, and the welding beam plate portion 312 extends out of the surface of the beam rib 1. The surperficial integrated into one piece of presetting portion 311 at the beam slab is equipped with line rib 5 to and integrated into one piece is equipped with and presets curved bar 4 on presetting portion 311 at the beam slab, this line rib 5 with should predetermine curved bar 4, the anti-pulling force of multiplicable beam slab presetting portion 311 in the inside of beam rib 1, and then promote whole stability of presetting beam slab 31.
Referring to fig. 1 and 2, specifically, the preset wing plate 32 includes a wing plate preset portion 321 and a wing plate welding portion 322, the wing plate preset portion 321 and the wing plate welding portion 322 are integrally formed, and both form the preset wing plate 32 with a T-shaped cross section, the wing plate preset portion 321 is preset inside the flange 2, and therefore, stability is good, and the wing plate welding portion 322 extends out of the surface of the flange 2. Moreover, the rib 5 is also integrally formed on the surface of the wing plate presetting portion 321, and the preset bent rib 4 is also integrally formed on the wing plate presetting portion 321, and the rib 5 and the preset bent rib 4 can increase the pull-out resistance of the wing plate presetting portion 321 in the flange 2, thereby improving the stability of the whole preset wing plate 32.
Referring to fig. 1 and 2, in particular, the supporting steel plate 33 has a right-angled triangular structure. A right-angle edge of the supporting steel plate 33 abuts against the beam-slab welding portion 312, beam-slab welding rods 6 are integrally formed on the two sides of the supporting steel plate 33 on the beam-slab welding portion 312, the right-angle edge of the supporting steel plate 33 is clamped between the two beam-slab welding rods 6, first welding plates 8 are integrally formed on the two sides of the right-angle edge of the supporting steel plate 33, the two first welding plates 8 and the two beam-slab welding rods 6 are arranged in a one-to-one correspondence manner, the first welding plates 8 are welded with the beam-slab welding rods 6, and the supporting steel plate 33 can be fixed on a preset beam slab 31; another right angle limit butt of supporting steel plate 33 is on pterygoid lamina welding portion 322, be equipped with pterygoid lamina welding rod 7 in the equal integrated into one piece in the both sides of supporting steel plate 33 on pterygoid lamina welding portion 322, this right angle limit centre gripping of supporting steel plate 33 is between two pterygoid lamina welding rods 7, and be equipped with second welding plate 9 in the both sides integrated into one piece on this right angle limit of supporting steel plate 33, two second welding plates 9 and two pterygoid lamina welding rod 7 one-to-ones setting, weld second welding plate 9 and pterygoid lamina welding rod 7, alright be fixed in supporting steel plate 33 on predetermineeing pterygoid lamina 32.
At this time, the flange 2 can be strongly supported by the support steel plate 33, so that the flange 2 has a large bearing capacity and can bear a large pressure on the road surface.
Referring to fig. 2, in order to improve the stability of the beam-slab welding rod 6 on the beam-slab welding portion 312, a reinforcing rib 10 is welded between the beam-slab welding rod 6 and the beam-slab welding portion 312; in order to improve the stability of the welding wire 7 on the welding portion 322, the bead 10 is also welded between the welding wire 7 and the welding portion 322. Furthermore, the reinforcing ribs 11 are integrally formed on the surface of the supporting steel plate 33, and the reinforcing ribs 11 can enhance the structural strength of the supporting steel plate 33 itself, so that the supporting steel plate 33 can more stably support the flange 2.
The implementation principle of the firm structure type prestressed concrete beam of the embodiment of the application is as follows: the preset beam plate 31 is preset inside the beam rib 1, and the preset wing plate 32 is preset inside the flange 2, so that the stability of the preset beam plate 31 and the preset wing plate 32 is good. The support steel plate 33 is welded between the preset beam plate 31 and the preset wing plate 32, and plays a role of supporting the beam rib 1 and the flange 2 mutually, so that the flanges 2 on two sides of the upper end of the beam rib 1 have large bearing capacity, and can bear large pressure on the road surface.
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 (8)
1. The utility model provides a structure type prestressed concrete roof beam that stabilizes, includes that beam rib (1) and symmetry set up in edge of a wing (2) of beam rib (1) upper end both sides, its characterized in that: supporting members (3) are arranged between the beam rib (1) and the flanges (2) on the two sides, and a plurality of supporting members (3) are distributed at intervals along the length direction of the prestressed concrete beam; the supporting member (3) comprises a preset beam plate (31) which is preset inside the beam rib (1), a preset wing plate (32) which is preset inside the flange (2) and a supporting steel plate (33) which is welded between the preset beam plate (31) and the preset wing plate (32).
2. A structurally sound prestressed concrete girder according to claim 1, wherein: predetermine roof beam board (31) and extend the surface of beam rib (1), predetermine pterygoid lamina (32) and extend the surface of edge of a wing (2) predetermine on roof beam board (31) and predetermine and all be equipped with on pterygoid lamina (32) and predetermine muscle (4), predetermine on roof beam board (31) predetermine muscle (4) predetermine in the inside of beam rib (1), predetermine on pterygoid lamina (32) predetermine muscle (4) predetermine in the inside of edge of a wing (2).
3. A structurally sound prestressed concrete girder according to claim 2, wherein: the preset beam plate (31) comprises a beam plate preset part (311) and a beam plate welding part (312) which are integrally formed, the beam plate preset part (311) and the beam plate welding part (312) form the preset beam plate (31) with a T-shaped cross section, the beam plate preset part (311) and the preset bent rib (4) are integrally formed, and the beam plate welding part (312) extends out of the surface of the beam rib (1) and is welded with the support steel plate (33); predetermine pterygoid lamina (32) and predetermine portion (321) and pterygoid lamina weld part (322) including integrated into one piece's pterygoid lamina, pterygoid lamina predetermine portion (321) with pterygoid lamina weld part (322) form the cross section for the T type predetermine pterygoid lamina (32), pterygoid lamina predetermine portion (321) with predetermine curved muscle (4) integrated into one piece, pterygoid lamina weld part (322) extend the surface of edge of a wing (2) with supporting steel sheet (33) welding.
4. A structurally sound prestressed concrete girder according to claim 3, wherein: the surfaces of the beam plate preset part (311) and the wing plate preset part (321) are provided with ribs (5).
5. A structurally sound prestressed concrete girder according to claim 3, wherein: two beam plate welding rods (6) are integrally formed on the beam plate welding part (312), and a space for placing a right-angle edge of the supporting steel plate (33) is formed between the two beam plate welding rods (6); two wing plate welding rods (7) are integrally formed on the wing plate welding portion (322), and a space for placing the other right-angle side of the supporting steel plate (33) is formed between the two wing plate welding rods (7).
6. A structurally sound prestressed concrete girder according to claim 5, wherein: supporting steel plate (33) are in two the both sides on the right angle side of beam slab welding rod (6) are equipped with first welding plate (8), supporting steel plate (33) are in two the both sides on the right angle side of pterygoid lamina welding rod (7) are equipped with second welding plate (9).
7. A structurally sound prestressed concrete girder according to claim 5, wherein: and reinforcing ribs (10) are arranged between the beam plate welding rod (6) and the beam plate welding part (312) and between the wing plate welding rod (7) and the wing plate welding part (322).
8. A structurally sound prestressed concrete girder according to claim 1, wherein: and reinforcing ribs (11) are arranged on the surface of the supporting steel plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123454113.3U CN216688994U (en) | 2021-12-31 | 2021-12-31 | Firm type prestressed concrete roof beam of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123454113.3U CN216688994U (en) | 2021-12-31 | 2021-12-31 | Firm type prestressed concrete roof beam of structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216688994U true CN216688994U (en) | 2022-06-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123454113.3U Active CN216688994U (en) | 2021-12-31 | 2021-12-31 | Firm type prestressed concrete roof beam of structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216688994U (en) |
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2021
- 2021-12-31 CN CN202123454113.3U patent/CN216688994U/en active Active
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