CN218264566U - Assembled precast concrete beam - Google Patents
Assembled precast concrete beam Download PDFInfo
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- CN218264566U CN218264566U CN202222296807.7U CN202222296807U CN218264566U CN 218264566 U CN218264566 U CN 218264566U CN 202222296807 U CN202222296807 U CN 202222296807U CN 218264566 U CN218264566 U CN 218264566U
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Abstract
The utility model discloses an assembled precast concrete roof beam relates to assembly type structure technical field. Assembled precast concrete roof beam includes by reinforcing bar and parcel the roof beam main part that the concrete of reinforcing bar is constituteed, the both ends of roof beam main part have prefabricated steel connecting elements respectively, steel connecting elements's one end bury underground in the concrete and with reinforcing bar fixed connection, steel connecting elements's the other end is provided with connection structure. The utility model discloses but assembled precast concrete roof beam convenient and fast ground is as an organic whole with other member connections, and it is big to have solved the connection degree of difficulty, and the problem that the efficiency of construction is low has improved the efficiency of construction.
Description
Technical Field
The utility model relates to an assembly type structure technical field, concretely relates to assembled precast concrete roof beam.
Background
With the continuous development of the assembly type buildings in China, the assembly type structure is widely applied to various buildings.
At present, cast-in-place concrete beams are replaced by precast concrete beams in fabricated buildings, but the existing precast concrete beams cannot be directly connected into a whole when being connected with other components, and need to be connected by sleeve grouting, so that the connection reliability is poor, the connection difficulty is high, and the construction efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the above defect that prior art exists, the utility model provides an assembled precast concrete roof beam, but this assembled precast concrete roof beam convenient and fast ground and other member connection are as an organic whole, have solved the problem that the connection degree of difficulty is big, the efficiency of construction is low.
In order to solve the technical problem, the utility model discloses a technical scheme is:
assembled precast concrete roof beam includes by reinforcing bar and parcel the roof beam main part that the concrete of reinforcing bar is constituteed, the both ends of roof beam main part have prefabricated steel connecting elements respectively, steel connecting elements's one end bury underground in the concrete and with reinforcing bar fixed connection, steel connecting elements's the other end is provided with connection structure.
Wherein the steel connecting member is a stepped support member.
The stepped support component comprises a first horizontal connecting plate, a second horizontal connecting plate, a third horizontal connecting plate, a first vertical connecting plate and a second vertical connecting plate, wherein the first vertical connecting plate is vertically connected between the first horizontal connecting plate and the second horizontal connecting plate, the second vertical connecting plate is vertically connected between the second horizontal connecting plate and the third horizontal connecting plate, the first horizontal connecting plate, the second horizontal connecting plate and the first vertical connecting plate form a first step, and the second horizontal connecting plate, the third horizontal connecting plate and the second vertical connecting plate form a second step.
The end part of the first step is welded with a first end plate, and the end part of the second step is welded with a second end plate.
Wherein the connecting structure is arranged on the first end plate and the second end plate, or/and the connecting structure is arranged on the first step.
The first end plate or/and the second end plate extends out of the stepped support member, and a reinforcing plate is arranged between the extending part of the first end plate or/and the second end plate and the stepped support member.
Wherein, steel connecting elements includes parallel arrangement's first flange board and second flange board, and connect perpendicularly first flange board with the web between the second flange board, connection structure sets up on the web.
Wherein, be provided with prestressing force component in the roof beam main part.
Wherein the pre-stressed member is fixed to the steel connecting member by an anchorage.
Wherein, the prestressed component comprises one or more of steel strand, steel bar and steel wire.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model provides an assembled precast concrete roof beam, because the both ends of roof beam main part have prefabricated steel connecting elements respectively, steel connecting elements's one end bury underground in the concrete of roof beam main part and with the interior reinforcing bar fixed connection of roof beam main part, steel connecting elements's the other end is provided with connection structure, consequently, when being connected with other components, accessible steel connecting elements is direct as an organic whole with other component connections, and need not to use the sleeve grout to connect, compares with prior art, the utility model discloses assembled precast concrete roof beam can convenient and fast ground be as an organic whole with other component connections, has solved and has connected the degree of difficulty among the prior art greatly, and the problem that the efficiency of construction is low has improved the efficiency of construction.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the prefabricated concrete beam according to the present invention;
FIG. 2 is a schematic structural view of a second embodiment of the prefabricated concrete beam according to the present invention;
FIG. 3 is a schematic structural view of a third embodiment of the prefabricated concrete beam according to the present invention;
in the figure: 1. a beam body; 11. reinforcing steel bars; 12. concrete; 2. a stepped support member; 21. a first horizontal connecting plate; 22. a second horizontal connecting plate; 23. a third horizontal connecting plate; 24. a first vertical connecting plate; 25. a second vertical connecting plate; 3. a first end plate; 4. a second end plate; 5. a high strength bolt; 6. a pre-stressed member; 7. an anchorage device; 8. a reinforcing plate; 9. h-shaped steel connecting pieces; 91. a first flange plate; 92. a second flange plate; 93. a web; 94. and (4) locking holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The first embodiment is as follows:
as shown in fig. 1, the fabricated precast concrete beam includes a beam main body 1 composed of a steel bar 11 and concrete 12 wrapping the steel bar 11, steel connection members are respectively prefabricated at both ends of the beam main body 1, one end of each steel connection member is embedded in the concrete 12 and is fixedly connected with the steel bar 11, and a connection structure is provided at the other end of each steel connection member.
The steel connecting member in this embodiment is a stepped support member 2.
Specifically, the stepped support member 2 includes a first horizontal connecting plate 21, a second horizontal connecting plate 22, a third horizontal connecting plate 23, a first vertical connecting plate 24 and a second vertical connecting plate 25, the first horizontal connecting plate 21, the second horizontal connecting plate 22 and the third horizontal connecting plate 23 are arranged in parallel, the first vertical connecting plate 24 is perpendicularly connected between the first horizontal connecting plate 21 and the second horizontal connecting plate 22, the second vertical connecting plate 25 is perpendicularly connected between the second horizontal connecting plate 22 and the third horizontal connecting plate 23, the first horizontal connecting plate 21, the second horizontal connecting plate 22 and the first vertical connecting plate 24 form a first step, and the second horizontal connecting plate 22, the third horizontal connecting plate 23 and the second vertical connecting plate 25 form a second step.
In order to improve the connection strength, it is preferable that the first vertical connecting plate 24 and the second vertical connecting plate 25 are of an integral structure in this embodiment.
For the convenience of connection, the present embodiment welds the first end plate 3 to the end of the first step and welds the second end plate 4 to the end of the second step. In practical applications, the first end plate 3 and the second end plate 4 may be selected not to be welded, and the end of the stepped support member 2 may be directly welded to another member, which is specifically selected according to practical requirements, and this embodiment is not limited thereto.
In this embodiment, the edges of the first and second end plates 3, 4 are aligned with the edges of the first and second steps, and the first and second end plates 3, 4 do not protrude beyond the stepped support member 2.
The connection structure in this embodiment is provided on the overlapping portions of the first end plate 3, the second end plate 4 and the first step. In practical applications, the connecting structure may be only disposed on the first end plate 3 and the second end plate 4, or only disposed on the overlapping portion of the first step, which is specifically selected according to practical requirements, and this embodiment is not limited thereto.
The connection structure in this embodiment is preferably a high-strength bolt 5 dedicated to a steel structure, and in practical application, other common bolts with the same strength may also be used, specifically selected according to actual requirements, which is not limited in this embodiment.
In the present embodiment, a prestressed member 6 is disposed in the beam main body 1, and the prestressed member 6 is fixed on the stepped support member 2 through an anchor 7, where the prestressed member 6 includes one or more of a steel strand, a steel bar, and a steel wire, and the prestressed member 6 in the present embodiment is preferably a steel strand.
During the assembly, can be earlier through the step supporting member 2 at assembled precast concrete roof beam both ends with assembled precast concrete roof beam overlap joint on other components (like prefabricated post), rethread connection structure realizes being connected of assembled precast concrete roof beam and other components.
The second embodiment:
the present embodiment is substantially the same as the first embodiment, and the difference is only that:
as shown in fig. 2, the first end plate 3 and the second end plate 4 in the present embodiment protrude from the stepped support member 2, and a reinforcing plate 8 is provided between the protruding portions of the first end plate 3 and the second end plate 4 and the stepped support member 2. By adopting the structure, the connection strength at the connection node is improved.
In practical applications, the first end plate 3 and the second end plate 4 may not extend beyond the stepped support member 2 (as in the first embodiment), so that the reinforcement plate 8 is not used; the first end plate 3 or the second end plate 4 may also be separately extended out of the stepped support member 2, and a reinforcing plate 8 may be disposed between the extended portion of the first end plate 3 or the second end plate 4 and the stepped support member, which is specifically selected according to actual requirements, and this embodiment is not limited thereto.
Example three:
the present embodiment is substantially the same as the first embodiment, and the difference is only that:
as shown in fig. 3, the steel connecting member in this embodiment is an H-shaped steel connecting member 9, which includes a first flange plate 91 and a second flange plate 92 arranged in parallel, and a web plate 93 connected perpendicularly between the first flange plate 91 and the second flange plate 92, and the connecting structure is provided on the web plate 93.
The connection structure in this embodiment includes a locking hole 94 provided on the web 93 and a high-strength bolt (not shown) fitted into the locking hole 94.
In this embodiment, the first flange plate 91 and the second flange plate 92 may be welded or not welded with the corresponding connecting members, and the welding is specifically selected according to actual requirements, which is not limited in this embodiment.
When the assembly type precast concrete beam in the embodiment is assembled, the assembly type precast concrete beam needs to be supported by the temporary supporting piece firstly, and after the H-shaped steel connecting piece 9 is connected with other components through the connecting structure, the temporary supporting piece is removed.
Above is the utility model discloses three embodiment of assembled precast concrete roof beam, there are more embodiments and do not describe here any more. According to the above three embodiment, the utility model discloses assembled precast concrete roof beam is through setting up steel connecting elements at the tip, but convenient and fast ground realizes as an organic whole with other member connections, and it is big to have solved the connection degree of difficulty among the prior art, and the problem that efficiency of construction is low has improved the efficiency of construction.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative efforts from the above conception, and all of them fall within the protection scope of the present invention.
Claims (10)
1. Assembled precast concrete roof beam includes by reinforcing bar and parcel the roof beam main part that the concrete of reinforcing bar is constituteed, its characterized in that, the both ends of roof beam main part have prefabricated steel connecting elements respectively, steel connecting elements's one end bury underground in the concrete and with reinforcing bar fixed connection, steel connecting elements's the other end is provided with connection structure.
2. The fabricated precast concrete beam of claim 1, wherein the steel coupling member is a stepped support member.
3. The assembled precast concrete beam according to claim 2, wherein the stepped support member comprises a first horizontal connection plate, a second horizontal connection plate, a third horizontal connection plate, a first vertical connection plate, and a second vertical connection plate, the first vertical connection plate is vertically connected between the first horizontal connection plate and the second horizontal connection plate, the second vertical connection plate is vertically connected between the second horizontal connection plate and the third horizontal connection plate, the first horizontal connection plate, the second horizontal connection plate, and the first vertical connection plate constitute a first step, and the second horizontal connection plate, the third horizontal connection plate, and the second vertical connection plate constitute a second step.
4. The fabricated precast concrete beam of claim 3, wherein a first end plate is welded to an end of the first step, and a second end plate is welded to an end of the second step.
5. The fabricated precast concrete beam of claim 4, wherein the connection structure is provided on the first end plate and the second end plate, or/and the connection structure is provided on the first step.
6. The fabricated precast concrete beam according to claim 4, wherein the first end plate or/and the second end plate protrudes out of the stepped support member, and a reinforcement plate is provided between the protruding portion of the first end plate or/and the second end plate and the stepped support member.
7. The fabricated precast concrete beam of claim 1, wherein the steel connection member includes first and second flange plates disposed in parallel, and a web connected vertically between the first and second flange plates, the connection structure being disposed on the web.
8. The fabricated precast concrete beam according to claim 1, wherein a prestress member is provided in the beam main body.
9. The fabricated precast concrete beam according to claim 8, wherein the prestressed member is fixed to the steel connecting member by means of an anchorage.
10. The fabricated precast concrete beam of claim 9, wherein the pre-stress member includes one or more of a strand, a reinforcement, and a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222296807.7U CN218264566U (en) | 2022-08-30 | 2022-08-30 | Assembled precast concrete beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222296807.7U CN218264566U (en) | 2022-08-30 | 2022-08-30 | Assembled precast concrete beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218264566U true CN218264566U (en) | 2023-01-10 |
Family
ID=84709938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222296807.7U Active CN218264566U (en) | 2022-08-30 | 2022-08-30 | Assembled precast concrete beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218264566U (en) |
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2022
- 2022-08-30 CN CN202222296807.7U patent/CN218264566U/en active Active
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