CN218437700U - Upturning beam end haunch structure - Google Patents
Upturning beam end haunch structure Download PDFInfo
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- CN218437700U CN218437700U CN202222794635.6U CN202222794635U CN218437700U CN 218437700 U CN218437700 U CN 218437700U CN 202222794635 U CN202222794635 U CN 202222794635U CN 218437700 U CN218437700 U CN 218437700U
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- haunched
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- stirrup
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Abstract
The utility model relates to an upturning beam end haunches structure, its characterized in that: comprises prestressed tendons, haunched hooping tendons, additional longitudinal tendons and additional lacing wires; through the reinforcing bar of the haunching structure of resetting the end part of the upturning beam is arranged, the haunching stirrup, the additional longitudinal bar and the additional lacing wire are enclosed to form a surrounding cage-shaped structure, the additional longitudinal bar is not arranged according to the length of the reserved width of the upturning beam, the intensity of the reinforcing bar is reduced, the penetration of the prestressed bar can be facilitated, meanwhile, the installation of the prestressed bar on the anchor backing plate can also be realized, and the manufacturing efficiency of the haunching structure of the upturning beam is improved.
Description
Technical Field
The utility model relates to a housing construction technical field especially relates to an upturning beam-ends adds armpit structure.
Background
For basement roof or roof floor slabs, upturning beams are often encountered for reasons of increasing building clearance and the like; in the process of prestress construction, because the steel bars of the columns and the beam supports at the tensioning ends are too dense, the prestress steel strands are difficult to penetrate, the anchor backing plates are embedded in the columns without working spaces, and a triangular haunched structure is often adopted to solve the problems.
The upturning beam is provided with a triangular haunch, the plate surface is flush with the side beam or the side wall, the upturning part of the beam is higher than the plate surface, and the prestressed tendons cannot be lapped to the side beam or the side wall at the haunch end part, so that the tip structure measures are required to be horizontal to the top surface of the upturning beam.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an on turn over beam-ends portion haunches structure, can solve on general on turn over the roof beam and adopt its tip of prestressing tendons structure in the unable overlap joint of haunched tip to the problem of boundary beam or side wall, lead to being difficult to accomplish and turn over the horizontally condition of roof beam top surface on.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides an upturning beam end portion adds armpit structure which innovation point lies in: comprises prestressed tendons, haunched hooping tendons, additional longitudinal tendons and additional lacing wires;
the prestressed tendons comprise an upturning beam section and an haunching section; an inclined included angle structure is formed between the upturned beam section and the haunching section; the end part of the upturning beam section is a fixed end, and the end part of the haunching section is a stretching end;
the armpit stirrups are provided with a plurality of armpit stirrups which are in rectangular structures; the haunch stirrup is wrapped on the outer side of the haunch section of the prestressed tendon and is arranged at equal intervals; the area of the haunched stirrup is gradually reduced from the prestressed tendon stretching end to the prestressed tendon fixing end, and the haunched stirrup forms a frustum-shaped structure outside the haunched section of the prestressed tendon;
the additional longitudinal ribs are arranged on the peripheral inner walls of the armpit hoops in a divergent manner to form a prismoid enclosure structure; the additional longitudinal ribs are arranged on the two side surfaces of the upturned beam in the height direction, and the length of the width of the upturned beam reserved in the middle position is not provided with the additional longitudinal ribs; the additional longitudinal ribs are arranged on two side faces of the upturned beam in the width direction at equal intervals;
the additional lacing wire is provided with a plurality of additional longitudinal bars which are correspondingly connected with the inner wall of the haunched stirrup in the plane of the haunched stirrup laying direction, and the additional lacing wire forms a grid structure in the haunched stirrup laying plane.
Furthermore, the laying length of the haunched stirrup is larger than the whole length of the haunched structure by 300mm.
Furthermore, one end of the additional longitudinal rib extends into the wall surface connected with the upturning beam.
Furthermore, a cavity for accommodating the haunched section of the prestressed reinforcement to pass through is formed in a surrounding cage-shaped structure formed by the haunched stirrup, the additional longitudinal reinforcement and the additional lacing bar, and the prestressed reinforcement is installed by pouring concrete.
The utility model has the advantages of:
1) The utility model discloses in arrange through the reinforcing bar that sets up the haunch structure that turns over beam-ends portion on again, haunch stirrup, additional longitudinal reinforcement and additional lacing wire enclose into and enclose cage-like structure, and the length through reserving the roof beam width that turns over on does not set up additional longitudinal reinforcement, has reduced the intensity of reinforcing bar, and the interlude of prestressing tendons of can being convenient for also can realize the installation of prestressing tendons on the anchor backing plate simultaneously, has improved the manufacturing efficiency of the haunch structure of the roof beam that turns over on.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the schematic diagram of the installation prestressed tendon at the end haunched structure of the upturning beam of the utility model.
Fig. 2 is the main view structure diagram of the reinforced bar net with the upward turning beam end haunched structure of the utility model.
Fig. 3 isbase:Sub>A sectional structural view ofbase:Sub>A-base:Sub>A of an end haunching structure reinforcing mesh of an upturned beam of the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The haunched structure at the end of the upturned beam shown in fig. 1 to fig. 3 comprises prestressed tendons 1, haunched stirrups 2, additional longitudinal tendons 3 and additional tie tendons 4.
The prestressed tendon 1 comprises an upturned beam section 11 and an haunched section 12; an inclined included angle structure is formed between the upturned beam section 11 and the haunching section 12; the end part of the upturned beam section 11 is a fixed end 13, and the end part of the haunched section 12 is a tensioning end 14.
The armpit stirrups 2 are provided with a plurality of armpit stirrups 2, and the armpit stirrups 2 are in rectangular structures; the haunch stirrup 2 is wrapped on the outer side of the haunch section 12 of the prestressed tendon 1 and is arranged at equal intervals; the area of haunched stirrup 2 reduces gradually from the stretching end of tendon 1 to the fixed end of tendon 1, and haunched stirrup 2 forms a prismatic table-shaped structure outside haunched section 12 of tendon 1.
The additional longitudinal ribs 3 are arranged on the peripheral inner walls of the armpit stirrups in a divergent manner to form a prismoid enclosure structure; the additional longitudinal ribs 3 are arranged on two side surfaces of the upturned beam in the height direction, and the length of the width of the upturned beam is reserved in the middle position and is not provided with the additional longitudinal ribs; the additional longitudinal ribs 3 are arranged on two side surfaces of the upturned beam in the width direction at equal intervals.
The additional tie bar 4 is provided with a plurality of, the additional tie bar 4 is correspondingly connected with the additional longitudinal bar 4 on the inner wall of the haunched stirrup 2 in the plane of the haunched stirrup 2 in the laying direction, and the additional tie bar 4 forms a grid structure in the plane of the haunched stirrup 2.
The laying length of the haunch stirrup 2 is larger than the whole length of the haunch structure by 300mm.
One end of the additional longitudinal rib 3 extends into the wall surface connected with the upturned beam.
And a cavity for accommodating an armpit section 12 of the prestressed reinforcement 1 to pass through is formed in a surrounding cage-shaped structure formed by the armpit hooping 2, the additional longitudinal reinforcement 3 and the additional lacing bars 4, and the prestressed reinforcement 1 is installed by pouring concrete.
The utility model discloses a theory of operation is: through the reinforcing bar of the haunching structure of resetting the end part of the upturning beam is arranged, the haunching stirrup, the additional longitudinal bar and the additional lacing wire are enclosed to form a surrounding cage-shaped structure, the additional longitudinal bar is not arranged according to the length of the reserved width of the upturning beam, the intensity of the reinforcing bar is reduced, the penetration of the prestressed bar can be facilitated, meanwhile, the installation of the prestressed bar on the anchor backing plate can also be realized, and the manufacturing efficiency of the haunching structure of the upturning beam is improved.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an upturning beam end portion haunches structure which characterized in that: comprises prestressed tendons, haunched hooping tendons, additional longitudinal tendons and additional lacing wires;
the prestressed tendons comprise an upturning beam section and an haunching section; an inclined included angle structure is formed between the upturned beam section and the haunching section; the end part of the upturning beam section is a fixed end, and the end part of the haunching section is a stretching end;
the armpit stirrups are provided with a plurality of armpit stirrups which are in rectangular structures; the haunch stirrups are wrapped on the outer sides of the haunch sections of the prestressed tendons and are arranged at equal intervals; the area of the haunched stirrup is gradually reduced from the prestressed tendon stretching end to the prestressed tendon fixing end, and the haunched stirrup forms a frustum-shaped structure outside the haunched section of the prestressed tendon;
the additional longitudinal ribs are arranged on the peripheral inner walls of the armpit hoops in a divergent manner to form a prismoid enclosure structure; the additional longitudinal ribs are arranged on two side surfaces of the upturned beam in the height direction, and the length of the width of the upturned beam reserved in the middle position is not provided with the additional longitudinal ribs; the additional longitudinal ribs are arranged on two side faces of the upturned beam in the width direction at equal intervals;
the additional lacing wire is provided with a plurality of additional longitudinal bars which are correspondingly connected with the inner wall of the haunched stirrup in the plane of the haunched stirrup laying direction, and the additional lacing wire forms a grid structure in the haunched stirrup laying plane.
2. The upturned beam end haunch structure of claim 1, wherein: the laying length of the haunched stirrup is larger than the whole length of the haunched structure by 300mm.
3. The upturned beam end haunch structure of claim 1, wherein: one end of the additional longitudinal rib extends into the wall surface connected with the upturning beam.
4. The upturned beam end haunch structure of claim 1, wherein: and forming a cavity for accommodating an armpit section of the prestressed tendon to pass through in a surrounding cage-shaped structure formed by the armpit hooping, the additional longitudinal tendon and the additional lacing wire, and pouring concrete to realize the installation of the prestressed tendon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222794635.6U CN218437700U (en) | 2022-10-24 | 2022-10-24 | Upturning beam end haunch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222794635.6U CN218437700U (en) | 2022-10-24 | 2022-10-24 | Upturning beam end haunch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218437700U true CN218437700U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222794635.6U Active CN218437700U (en) | 2022-10-24 | 2022-10-24 | Upturning beam end haunch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218437700U (en) |
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2022
- 2022-10-24 CN CN202222794635.6U patent/CN218437700U/en active Active
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