A structure of a side beam which bears horizontal and vertical loads simultaneously
By designing a novel edge beam structure and adopting a specific stress form and cantilever beam connection, the problem of out-of-plane instability of steel structure edge beams under horizontal loads was solved, achieving material savings and simplified construction, and improving the economy and safety of the building.
Patent Information
- Application Number
- CN202110001758.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-01-04
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2041-01-04
AI Technical Summary
In existing buildings, steel structure edge beams are prone to out-of-plane instability when subjected to horizontal loads, and adding supports will affect the layout of building mechanical and electrical equipment. Existing technologies are difficult to effectively solve this problem.
A novel edge beam structure is designed, which adopts a force pattern in which the upper flange of the edge beam is under compression, the lower flange is under tension, the web is under compression, and the side flanges are under tension. The structure is connected by cantilever beams and stiffeners to form a plane intersection angle of 0° to 90°, which simplifies the force transmission path and reduces the amount of material used.
This design achieves reasonable stress distribution of the edge beams under vertical and horizontal loads, reduces material requirements and construction difficulty, and improves the economy and safety of the structure.
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Figure CN112681589B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of building structure, more particularly to a kind of edge beam structure bearing horizontal and vertical load simultaneously. BACKGROUND
[0002] With the function and form of high-rise, super high-rise building are developing in the direction of diversification, the application of glass curtain wall is also more and more widely. Curtain wall is a kind of building envelope by panel and supporting structure system (supporting device and supporting structure), in many curtain wall projects have been built, there are often glass falling, beam torsion and other unsafe phenomena, and the safety of structural member connected with curtain wall structure is the effective guarantee of curtain wall structure. In the whole curtain wall system stress condition: the load borne by glass plate is transmitted to the beam and column through the connecting piece, and finally transmitted to the main structure, wherein the beam and column transmit the load to the edge beam or edge plate of the structure through the embedded part.
[0003] In engineering design, when the embedded part is arranged on the structure edge plate, the horizontal force is transmitted to the main structure through the structure plate, and since the in-plane stiffness of the structure plate is very large, the eccentric effect is usually not considered. When the embedded part is arranged on the edge beam, it will produce a large torque on the beam, and at this time the influence of eccentricity should not be ignored. When the edge beam is made of concrete, the torsional stiffness and lateral stiffness of concrete are large, and the requirements can be met by adjusting the section; when the edge beam is made of steel structure, the edge beam section is generally H-shaped steel, and the out-of-plane stiffness and torsional stiffness of this section are poor. Under the action of horizontal load, the beam will be out of plane instability, and in engineering, the method of increasing the spacing of beam grid perpendicular to the edge beam and increasing the horizontal support can be adopted. This method not only increases the amount of steel and the complexity of construction, but also affects the arrangement of building mechanical and electrical equipment due to the dense arrangement of steel members.
[0004] Therefore, new technology and products are needed to at least partially eliminate the deficiencies in the prior art. SUMMARY
[0005] Therefore, the present application provides a new type of edge beam structure, which can bear vertical load and horizontal load simultaneously. Under the action of vertical load, the upper flange is in compression and the lower flange is in tension. Under the action of horizontal load, the web is in compression and the side flange is in tension. This section form is simple in structure, convenient in steel structure processing, reduces the amount of material, and the force transmission is simple and direct, which can be applied to various steel structure edge beams and curtain wall structure connected building structures.
[0006] According to an aspect of the present application, there is provided a side beam structure for bearing horizontal and vertical loads simultaneously, characterized in that it comprises a side beam (1), wherein the side beam (1) comprises a side beam upper flange (1a), a side beam web (1b), a side beam lower flange (1c) and a side beam side flange (1d), the side beam upper flange (1a) and the side beam lower flange (1c) are respectively fixed on the upper and lower sides of the side beam web (1b), and the side beam side flange (1d) is fixed on one side of the side beam lower flange (1c).
[0007] Preferably, the side beam structure further comprises a cantilever beam (3), wherein one end of the cantilever beam (3) is fixedly connected to one end of the side beam (1).
[0008] Preferably, the cantilever beam (3) comprises a cantilever beam upper flange (3a), a cantilever beam web (3b) and a cantilever beam lower flange (3c), the cantilever beam upper flange (3a) and the cantilever beam lower flange (3c) are respectively fixed on the upper and lower sides of the cantilever beam web (3b).
[0009] Preferably, the side beam structure further comprises a cantilever beam stiffener (4) fixedly arranged on the cantilever beam (3) and aligned with the side beam web (1b).
[0010] Preferably, the side beam web (1b) and the cantilever beam stiffener (4) are connected by a connecting node bolt (5) and a connecting node pad (6).
[0011] Preferably, the side beam lower flange (1c) and the cantilever beam lower flange (3c) are connected by a connecting plate (7).
[0012] Preferably, the side beam structure further comprises a side beam stiffener (2) arranged on the side beam (1).
[0013] Preferably, the side beam stiffener (2) is arranged at a position connected to a curtain wall structure.
[0014] Preferably, the side beam (1) and the cantilever beam (3) form a plane intersecting at an angle of 0°-90°.
[0015] Compared with the prior art, the device of the present application changes the stress form of the side beam, avoids the generation of torque on the side beam, and thus makes the stress on the side beam more reasonable. With a simple structure, the purpose of bearing vertical and horizontal loads is achieved, the force transmission between structural members is more direct and clear, the amount of material is reduced, the construction difficulty is reduced, and the side beam structure is more economical within a reasonable range. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 FIG. 1 is a perspective view of a side beam structure for bearing horizontal and vertical loads simultaneously according to an embodiment of the present application;
[0017] Figure 2 Fig. 2 is a side view schematic diagram of the edge beam structure connected with the curtain wall structure according to an embodiment of the present application;
[0018] Figure 3 Fig. 4 is a partial top view schematic diagram of the edge beam structure according to an embodiment of the present application. DETAILED DESCRIPTION
[0019] The present application can be better understood with reference to the following examples. However, it will be readily apparent to those of ordinary skill in the art that the
[0020] Figure 1 Fig. 1 is a perspective view schematic diagram of the edge beam structure bearing both horizontal and vertical loads according to an embodiment of the present application; Figure 2 Fig. 2 is a side view schematic diagram of the edge beam structure connected with the curtain wall structure according to an embodiment of the present application; Figure 3 Fig. 4 is a partial top view schematic diagram of the edge beam structure according to an embodiment of the present application.
[0021] Reference Figures 1-3 The edge beam structure of the embodiment can include an edge beam 1 and two cantilever beams 3 connected at both ends of the edge beam 1, which can be connected with the main structure column or beam (not shown), and the lower side of the edge beam 1 is connected with the curtain wall structure (see Fig. 2). Figure 2
[0022] The edge beam 1 can include an edge beam upper flange 1a, an edge beam web 1b, an edge beam lower flange 1c and an edge beam side flange 1d, wherein the edge beam upper flange 1a and the edge beam lower flange 1c are respectively fixed on the upper and lower sides of the edge beam web 1b, and the edge beam side flange 1d is fixed on one side of the edge beam lower flange 1c. The curtain wall structure load points act on the edge beam lower flange 1c and the edge beam side flange 1d, and the edge beam and curtain wall structure connection position corresponding stiffeners 2 can be arranged at the curtain wall supporting position. The stiffeners 2 can include stiffeners (2a, 2b) arranged on both sides of the edge beam web 1b, or only one side of the stiffeners can be arranged; of course, similar stiffeners can also be arranged at other positions as needed. In addition, when the spacing of the edge beam and curtain wall structure connection position corresponding stiffeners 2 is consistent with the curtain wall structure load points, the edge beam and curtain wall structure connection position corresponding stiffeners 2 can be cancelled when the edge beam and curtain wall structure connection position corresponding stiffeners 2 are within the range of the cantilever beam 3.
[0023] The cantilever beam 3 is connected with the main structure column or beam (not shown), and with reference to the drawings, the cantilever beam 3 can include a cantilever beam upper flange 3a, a cantilever beam web 3b, and a cantilever beam lower flange 3c, and the cantilever beam upper flange 3a and the cantilever beam lower flange 3c are respectively fixed on the upper and lower sides of the cantilever beam web 3b. In addition, the edge beam structure further includes a cantilever beam stiffener 4 fixedly arranged on the cantilever beam 3 and aligned with the edge beam web 1b; the edge beam web 1b and the cantilever beam stiffener 4 are connected through a connecting node bolt 5 and a connecting node pad 6, so as to connect the edge beam web 1b and the cantilever beam web 3b. In addition, the edge beam lower flange 1c and the cantilever beam lower flange 3c can be connected through a connecting plate 7. The edge beam upper flange 1a and the cantilever beam upper flange 3a can be aligned or connected through a component similar to the connecting plate 7. Of course, the cantilever beam 3 can also be fixedly connected at both ends of the edge beam 1.
[0024] The intersection angle between the planes formed by the edge beam 1 and the cantilever beam 3 (i.e., the planes where the respective webs are located) can be 0°-90°, which can be achieved by adjusting the cross-sectional shape at the connection between the two, and the change in the angle does not affect the force transmission effect.
[0025] In the embodiments, the structure composed of the edge beam upper flange 1a, the edge beam web 1b, and the edge beam lower flange 1c bears the vertical load, which is transmitted to the cantilever beam 3, and the cantilever beam 3 transmits the load to the structure column or beam. The structure composed of the edge beam web 1b, the edge beam lower flange 1c, and the edge beam side flange 1d bears the horizontal load, which is transmitted to the cantilever beam 3, and the cantilever beam 3 transmits the load to the structure column or beam.
[0026] It should be understood that in the present application, the edge beam can be composed of an edge beam upper flange, an edge beam web, an edge beam lower flange, and an edge beam side flange, and the edge beam side flange can be arranged on one side or on both sides according to actual conditions; the width and thickness of the web and the flange of the edge beam can also be adjusted according to actual conditions. Other connection modes can also be adopted between the edge beam and the cantilever beam; the cantilever beam can also adopt other cross-sectional shapes in addition to the I-shaped cross section. The intersection angle between the planes formed by the edge beam and the cantilever beam can be 0°-90°, and the change in the angle does not affect the force transmission effect. The load point acts on the edge beam lower flange and the edge beam side flange, and the same effect can also be achieved by increasing the stiffener and the edge beam side flange when the load point acts on other positions of the edge beam. The corresponding stiffener can be arranged at the load point action position, and the number and angle of the stiffener can be adjusted according to actual conditions.
[0027] The above gives specific embodiments, but the present application is not limited to the above described embodiments. The basic idea of the present application is in the above basic scheme, and according to the teaching of the present application, designing various transformed models, formulas, parameters does not require creative labor for those skilled in the art. Changes, modifications, replacements and transformations of the embodiments without departing from the principles and spirits of the present application still fall within the protection scope of the present application.
Claims
1. A structure of a side beam which bears horizontal and vertical loads at the same time, characterized by, Comprise: The edge beam (1), wherein the edge beam (1) comprises an edge beam upper flange (1a), an edge beam web (1b), an edge beam lower flange (1c) and an edge beam side flange (1d), the edge beam upper flange (1a) and the edge beam lower flange (1c) are respectively fixed on the upper and lower sides of the edge beam web (1b), and the edge beam side flange (1d) is fixed on one side of the edge beam lower flange (1c); Wherein, the edge beam structure further comprises a cantilever beam (3), wherein one end of the cantilever beam (3) is fixedly connected to one end of the edge beam (1); The cantilever beam (3) comprises a cantilever beam upper flange (3a), a cantilever beam web (3b) and a cantilever beam lower flange (3c), the cantilever beam upper flange (3a) and the cantilever beam lower flange (3c) are respectively fixed on the upper and lower sides of the cantilever beam web (3b); The edge beam side flange (1d) is fixed on one side of the edge beam lower flange (1c) in the direction extending along the cantilever beam (3).
2. The edge beam structure according to claim 1, wherein Further comprising a cantilever beam stiffener (4) fixedly arranged on the cantilever beam (3) and aligned with the edge beam web (1b).
3. The edge beam structure according to claim 2, wherein The edge beam web (1b) is connected with the cantilever beam stiffener (4) through a connection node bolt (5) and a connection node pad (6).
4. The edge beam structure according to claim 1, wherein The edge beam lower flange (1c) and the cantilever beam lower flange (3c) are connected through a connecting plate (7).
5. The edge beam structure that bears horizontal and vertical loads simultaneously according to claim 1, wherein, Further comprising an edge beam stiffener (2) arranged on the edge beam (1).
6. The edge beam structure that bears horizontal and vertical loads simultaneously according to claim 5, wherein, The edge beam stiffener (2) is arranged at a position connected with the curtain wall structure.
7. The edge beam structure that bears horizontal and vertical loads simultaneously according to claim 1, wherein, The intersection angle between the plane formed by the edge beam (1) and the cantilever beam (3) is 0°-90°.
Citation Information
Patent Citations
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