CN216340450U - Variable-rigidity concrete cross beam structure - Google Patents
Variable-rigidity concrete cross beam structure Download PDFInfo
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- CN216340450U CN216340450U CN202123090902.3U CN202123090902U CN216340450U CN 216340450 U CN216340450 U CN 216340450U CN 202123090902 U CN202123090902 U CN 202123090902U CN 216340450 U CN216340450 U CN 216340450U
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Abstract
The utility model relates to the technical field of a cross beam, in particular to a variable-rigidity concrete cross beam structure. The frame comprises a frame, a plurality of transverse secondary beams and a plurality of longitudinal secondary beams, wherein the transverse secondary beams and the longitudinal secondary beams are distributed in a # -shape on the inner side of the frame and are fixed with the frame, and the width of the transverse secondary beam close to the center of the structural plane of the frame is larger than that of the transverse secondary beam close to the side wall of the frame. The variable-rigidity concrete cross beam structure can reduce the using amount of reinforcing steel bars and concrete and reduce the cost.
Description
Technical Field
The utility model relates to the technical field of a cross beam, in particular to a variable-rigidity concrete cross beam structure.
Background
The cross beam structure is a traditional reinforced concrete beam plate type structure system, is widely applied to a large-span structure generally, and is attractive. The frame cross beam, the oblique crossing cross beam, the one-way multi-ribbed beam and other structures are commonly used structural types at present, taking the frame cross beam as an example, the frame cross beam structure generally comprises a frame beam with a large section and a plurality of longitudinal and transverse secondary beams, a 'well' shape is formed between the longitudinal secondary beam and the transverse secondary beam, and the end part takes the frame beam as a support to form an integral stress system. In the conventional method, the transverse secondary beam and the longitudinal secondary beam are uniform in beam height and beam width, the functions of partial beam concrete and reinforcing steel bars are not effectively utilized, and considerable resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a variable-rigidity concrete cross beam structure so as to reduce the consumption of reinforcing steel bars and concrete and reduce the cost.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a become rigidity concrete # -shaped beam structure, includes frame, a plurality of horizontal secondary beam and a plurality of vertical secondary beam, and a plurality of horizontal secondary beams and a plurality of vertical secondary beam are the distribution of groined type and all are fixed with the frame in the inboard of frame, and the width that is close to the horizontal secondary beam of the structural plane central point of frame and puts is greater than the width that is close to the horizontal secondary beam of frame lateral wall.
The beneficial effect of this scheme does:
the frame in this scheme is cyclic annular, and the structural plane center of frame represents the central point of cyclic annular frame, so the structural plane center of frame is located the middle part in the inboard space of frame.
In this scheme, the width that is close to the horizontal secondary beam of frame lateral wall reduces, and under the certain condition in the structural plane of frame, the quantity of reducible reinforcing bar and concrete, effective reduce cost. In addition, after the using amount of the steel bars and the concrete is reduced, the whole weight of the cross beam is reduced, and the load on the ground or the floor and other structures below the cross beam is reduced, so that the size of the structure foundation is reduced, and the requirements on the strength, the rigidity and the like of the ground or the floor and other structures below the cross beam are met.
Further, the width of the longitudinal secondary beam close to the center of the structural plane of the frame is larger than that of the longitudinal secondary beam close to the side wall of the frame.
The beneficial effect of this scheme does: the width of the longitudinal secondary beam close to the side wall of the frame is reduced, so that the using amount of reinforcing steel bars and concrete can be further reduced under the condition that the structural plane of the frame is fixed, and the cost is effectively reduced.
Further, the width of the plurality of transverse secondary beams gradually increases from the side wall closest to the frame to the center of the structural plane close to the frame.
The beneficial effect of this scheme does: the width of the transverse secondary beam in the scheme is gradually changed, and the transverse secondary beam is conveniently and uniformly increased according to a certain section gradient in the design process.
Further, the width of the plurality of longitudinal secondary beams gradually increases from the side wall closest to the frame to the center of the structural plane close to the frame.
The beneficial effect of this scheme does: the width of the longitudinal secondary beam in the scheme is gradually changed, and the longitudinal secondary beam is conveniently and uniformly increased according to a certain section gradient in the design process.
Furthermore, a plurality of upright posts are fixed at the bottom of the frame.
The beneficial effect of this scheme does: the stand in this scheme can support the # -shaped roof beam.
Further, the stand is prismatic.
The beneficial effect of this scheme does: compared with a cylinder, the cost of the template used for pouring the prismatic upright post is lower.
Further, the width of the upright post is larger than that of the side wall of the frame.
The beneficial effect of this scheme does: the stand in this scheme can be better supports the frame.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the frame comprises a frame 1, a column 2, a longitudinal secondary beam 3, a first longitudinal secondary beam 31, a second longitudinal secondary beam 32, a third longitudinal secondary beam 33, a fourth longitudinal secondary beam 34, a fifth longitudinal secondary beam 35, a sixth longitudinal secondary beam 36 and a transverse secondary beam 4.
Examples
The utility model provides a become rigidity concrete well word beam structure, as shown in figure 1, includes frame 1, a plurality of horizontal secondary beam 4 and a plurality of vertical secondary beam 3, and the cross section of frame 1 is the rectangle, and the bottom integrated into one piece of frame 1 has a plurality of stands 2, and a plurality of stands 2 are along the circumference evenly distributed of frame 1. The upright column 2 in this embodiment is a quadrangular prism, and taking the upright column 2 at the leftmost side as an example, the width of the upright column 2 is greater than the width of the side wall of the left side frame 1.
A plurality of horizontal secondary beams 4 and a plurality of vertical secondary beam 3 all are located frame 1 inboard, and horizontal secondary beam 4 and vertical secondary beam 3 are "well" font evenly distributed, and adjacent horizontal secondary beam 4 and adjacent vertical secondary beam 3 integrated into one piece, the tip and the frame 1 integrated into one piece of horizontal secondary beam 4 and vertical secondary beam 3. The width of the transverse secondary beam 4 close to the center of the structural plane of the frame 1 is larger than the width of the transverse secondary beam 4 close to the upper side wall and the lower side wall of the frame 1; the width of the longitudinal secondary beam 3 near the center of the structural plane of the frame 1 is greater than the width of the longitudinal secondary beam 3 near the left and right side walls of the frame 1, and the present embodiment describes the change of the width by taking the longitudinal secondary beam 3 as an example.
As shown in fig. 2, eleven longitudinal secondary beams 3 in the present embodiment are provided, and specifically include two first longitudinal secondary beams 31, two second longitudinal secondary beams 32, two third longitudinal secondary beams 33, two fourth longitudinal secondary beams 34, two fifth longitudinal secondary beams 35, and a sixth longitudinal secondary beam 36, where the sixth longitudinal secondary beam 36 is located on a center line of the frame 1, a center line of the sixth longitudinal secondary beam 36 coincides with a center line of the frame 1, and widths of the first longitudinal secondary beam 31, the second longitudinal secondary beam 32, the third longitudinal secondary beam 33, the fourth longitudinal secondary beam 34, and the fifth longitudinal secondary beam 35 are gradually increased.
A first longitudinal secondary beam 31, a second longitudinal secondary beam 32, a third longitudinal secondary beam 33, a fourth longitudinal secondary beam 34 and a fifth longitudinal secondary beam 35 are sequentially arranged from left to right on the left side of the sixth longitudinal secondary beam 36; on the right side of the sixth longitudinal secondary beam 36, from right to left, there are disposed another first longitudinal secondary beam 31, a second longitudinal secondary beam 32, a third longitudinal secondary beam 33, a fourth longitudinal secondary beam 34, and a fifth longitudinal secondary beam 35 in this order. In this embodiment, the distances between the center lines of the adjacent longitudinal sub-beams 3 are equal.
The specific implementation process is as follows:
in this embodiment, the widths of the first longitudinal secondary beam 31, the second longitudinal secondary beam 32, the third longitudinal secondary beam 33, the fourth longitudinal secondary beam 34, and the fifth longitudinal secondary beam 35 are reduced, so that the use amount of the steel bars and the concrete of the overall cross beam is reduced, the weight of the cross beam is reduced, and the pressure to the lower side is reduced.
The applicant detects the maximum deflection value and the minimum deflection value of the variable-stiffness concrete cross beam with the same span and the traditional concrete cross beam, wherein the maximum deflection value of the traditional concrete cross beam is about 1.04-1.07 times of that of the variable-stiffness concrete cross beam in the embodiment; the minimum deflection value of the traditional concrete cross beam is about 0.97-0.95 times of that of the variable-stiffness concrete cross beam in the embodiment, and the maximum deflection change and the minimum deflection change are both within a range of 10%, so that the width change of the transverse secondary beam 4 and the longitudinal secondary beam 3 has small influence on the deflection of the cross beam, and the variable-stiffness concrete cross beam in the embodiment meets the requirements of relevant standards. The total consumption of the steel bars of the variable-rigidity concrete cross beam in the embodiment is about 0.89 times of that of the traditional concrete cross beam, and the total consumption of the concrete of the variable-rigidity concrete cross beam in the embodiment is about 0.82 times of that of the traditional concrete cross beam, so that the consumption of the steel bars and the concrete is effectively reduced, and the cost is reduced.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides a become rigidity concrete well word roof beam structure which characterized in that: the frame comprises a frame, a plurality of transverse secondary beams and a plurality of longitudinal secondary beams, wherein the transverse secondary beams and the longitudinal secondary beams are distributed in a # -shape on the inner side of the frame and are fixed with the frame, and the width of the transverse secondary beam close to the center of the structural plane of the frame is larger than that of the transverse secondary beam close to the side wall of the frame.
2. A variable stiffness concrete cross beam structure according to claim 1, wherein: the width of the longitudinal secondary beam near the center of the structural plane is greater than the width of the longitudinal secondary beam near the side wall of the frame.
3. A variable stiffness concrete cross beam structure according to claim 2, wherein: the width of the plurality of transverse secondary beams gradually increases from the side wall closest to the frame to the center of the structural plane close to the frame.
4. A variable stiffness concrete cross beam structure according to claim 2, wherein: the widths of the plurality of longitudinal secondary beams are gradually increased from the side wall closest to the frame to the center of the structural plane close to the frame.
5. A variable stiffness concrete cross beam structure according to claim 3 or 4, wherein: the bottom of the frame is fixed with a plurality of upright posts.
6. A variable stiffness concrete cross beam structure according to claim 5, wherein: the stand is prismatic.
7. A variable stiffness concrete cross beam structure according to claim 6, wherein: the width of the upright post is larger than that of the side wall of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123090902.3U CN216340450U (en) | 2021-12-09 | 2021-12-09 | Variable-rigidity concrete cross beam structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123090902.3U CN216340450U (en) | 2021-12-09 | 2021-12-09 | Variable-rigidity concrete cross beam structure |
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| CN216340450U true CN216340450U (en) | 2022-04-19 |
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| CN202123090902.3U Active CN216340450U (en) | 2021-12-09 | 2021-12-09 | Variable-rigidity concrete cross beam structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118187351A (en) * | 2024-05-14 | 2024-06-14 | 中建八局第三建设有限公司天津分公司 | Concrete inclined cross Liang Wugai building structure |
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2021
- 2021-12-09 CN CN202123090902.3U patent/CN216340450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118187351A (en) * | 2024-05-14 | 2024-06-14 | 中建八局第三建设有限公司天津分公司 | Concrete inclined cross Liang Wugai building structure |
| CN118187351B (en) * | 2024-05-14 | 2024-07-05 | 中建八局第三建设有限公司天津分公司 | Concrete inclined cross Liang Wugai building structure |
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