CN214833419U - Beam joint and steel structure - Google Patents
Beam joint and steel structure Download PDFInfo
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- CN214833419U CN214833419U CN202023247733.5U CN202023247733U CN214833419U CN 214833419 U CN214833419 U CN 214833419U CN 202023247733 U CN202023247733 U CN 202023247733U CN 214833419 U CN214833419 U CN 214833419U
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Abstract
The utility model provides a roof beam node and steel construction, the roof beam node includes: girder steel (10), first shear reinforcement (30) and a plurality of steel shotcrete (20) of being connected on girder steel (10), every steel shotcrete (20) all with form the slope contained angle between girder steel (10), wherein two steel shotcrete (20) with reserve the interval between the tie point of girder steel (10), first shear reinforcement (30) set up in reserve the interval, and with two steel shotcrete (20) and girder steel (10) are all connected. The first shear reinforcement piece can meet the requirements of process equipment arrangement and pedestrian passageways, and simultaneously, the shear force applied to the steel beam can be at least partially offset by the first shear reinforcement piece, so that the structural strength of the beam node is ensured.
Description
Technical Field
The utility model relates to a steel construction technical field, concretely relates to beam node and steel construction.
Background
The steel structure has the advantages of light weight, high strength and the like, and is widely applied to industrial and civil buildings. Steel frame central support structural systems are one common structural system. In the structural system, steel columns are used as vertical bearing members, steel beams are used as horizontal bearing members, and steel supports connect the steel beams and the steel columns into a planar truss system. The center lines of the steel columns, the steel beams and the steel supports in the structural system are intersected at one point. The structure system has definite force transmission and reasonable stress.
For X-shaped and herringbone steel supports, joints are required to be arranged at the joints of the steel supports and the steel beams, the steel supports and the steel beams are integrated, and stress is coordinated together.
During engineering design, in order to meet the requirements of process equipment arrangement and pedestrian passageways, the support spacing is required to be pulled apart frequently to form a short beam 5 (belonging to a part of a steel beam 4) as shown in fig. 1. When the short beam 5 is formed, the stress of the structure is largely changed. Under the action of supporting axial load on the upper part and the lower part of the beam, a large shearing force is formed at the end part of the short beam 5. During the structural design, engineers generally carry out simplification processing on the short beam 5, and during the calculation, the existence of the short beam 5 is not considered, and during the drawing, the short beam 5 is added according to the actual requirement. The design process neglects the large shearing force at the end part of the short beam 5, and causes certain potential safety hazard.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, an embodiment of the present invention provides a beam node, including: the steel beam, the first shear reinforcement and a plurality of steel supports connected to the steel beam, wherein an inclined included angle is formed between each steel support and the steel beam,
wherein two steel shotcrete with reserve the interval has between the tie point of girder steel, first shear reinforcement set up in reserve the interval, and with two steel shotcrete and girder steel all are connected.
The utility model discloses a set up first reinforcement that shears between two steel shotcrete, both can satisfy the technological equipment and arrange and the requirement of pedestrian passageway, simultaneously, first reinforcement that shears can at least partially offset the shearing force that the girder steel received to the structural strength of beam node has been guaranteed.
Optionally, the first shear reinforcement includes a vertical plate and a cover plate, the vertical plate is connected to the cover plate to form a T-shaped structure, the vertical plate is connected to both the two steel supports and the steel beam, and two ends of the cover plate are connected to both the two steel supports.
Optionally, the vertical plate is shaped like an isosceles trapezoid flat plate, and the vertical plate is shaped like a rectangular flat plate.
Optionally, the girder steel includes steel sheet, lower steel sheet, connecting plate and second anti-shear reinforcement, go up steel sheet, connecting plate and lower steel sheet and connect gradually and form "worker" font, the connecting plate is in reserve spaced position disconnection is in order to form the hole that shears, second anti-shear reinforcement set up in the hole that shears.
Optionally, the second shear resistant reinforcement includes a horizontal reinforcing rib and two vertical reinforcing ribs, the two vertical reinforcing ribs are respectively connected to the cross section of the connecting plate, the upper end of each vertical reinforcing rib is connected to the upper steel plate, the lower end of each vertical reinforcing rib is connected to the lower steel plate, and the horizontal reinforcing rib is located between the two vertical reinforcing ribs and connected to the two vertical reinforcing ribs.
Optionally, the vertical reinforcing rib is perpendicular to the upper steel plate, the lower steel plate and the connecting plate, and the horizontal reinforcing rib is perpendicular to the vertical reinforcing rib and parallel to the upper steel plate and the lower steel plate.
Optionally, a plurality of oblique reinforcing ribs are arranged between the horizontal reinforcing rib and the upper steel plate and between the horizontal reinforcing rib and the lower steel plate, one end of each oblique reinforcing rib is connected with the horizontal reinforcing rib, the other end of each oblique reinforcing rib is connected with the upper steel plate or the lower steel plate, and an oblique included angle is formed between each oblique reinforcing rib and the horizontal reinforcing rib.
Optionally, the length direction of some of the diagonal reinforcing ribs is parallel to one of the steel supports, and the length direction of the rest of the diagonal reinforcing ribs is parallel to the other steel support.
Optionally, the shear-resistant structure further comprises a trapezoidal sealing plate, the trapezoidal sealing plate covers the middle position of the shear-resistant hole, one end of the trapezoidal sealing plate is connected with the upper steel plate or the lower steel plate, and the other end of the trapezoidal sealing plate is connected with the horizontal reinforcing rib.
The utility model also provides a steel structure, including two steel columns and the utility model provides a beam node, the both ends of girder steel are connected respectively two on the steel column, the one end of steel shotcrete is connected the girder steel, the other end is connected the steel column.
The steel structure not only meets the requirements of process equipment arrangement and pedestrian passageways, but also can effectively reduce the shearing force borne by the steel beam, improve the stability of the whole structure and greatly reduce the potential safety hazard of the steel structure.
Drawings
FIG. 1 is a schematic structural view of a steel structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a steel structure according to another embodiment of the present invention;
FIG. 3 is a schematic perspective view of a beam node of the steel structure of FIG. 2;
fig. 4 is an exploded schematic view of fig. 3.
In the figure:
5-short beam;
1. 4, 10-steel beam; 11-upper steel plate; 12-lower steel plate; 13-a connecting plate;
3. 20-steel support;
30-a first shear reinforcement; 31-a vertical plate; 32-a cover plate;
40-a second shear reinforcement; 41-horizontal stiffening ribs; 42-vertical stiffening ribs; 43-diagonal stiffening ribs;
2. 50-steel column;
60-trapezoidal closing plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The embodiment provides a steel structure, as shown in fig. 1, the steel structure comprises two steel columns 2, a steel beam 1, a steel beam 4 and four steel supports 3, wherein beam nodes (also called beam nodes) are arranged obliquely as shown in fig. 1, the four steel supports 3 are arranged obliquely, and short beams 5 are reserved in the middle of the steel structures, so that the requirements of process equipment arrangement and pedestrian passageways can be met. Wherein the short beam 5 belongs to a part of the steel beam 4, and is positioned in the middle of the steel beam 4.
Since the end of the short beam 5 in the beam node forms a large shearing force, the present embodiment further provides a beam node, referring to fig. 2, the beam node includes: the steel beam 10, the first shear reinforcement 30 and a plurality of steel supports 20 connected on the steel beam 10, each steel support 20 and the steel beam 10 form an inclined included angle, wherein a reserved interval (namely, the position of the short beam 5 in the above scheme) is arranged between the connection points of the two steel supports 20 and the steel beam 10, and the first shear reinforcement 30 is arranged in the reserved interval and is connected with the two steel supports 20 and the steel beam 10. The upper portion of the first shear reinforcement member 30 is flat, and can satisfy the requirements of process equipment arrangement and pedestrian passageways. The shear reinforcing members 30 at least partially offset the shear force applied to the steel beam 10, thereby securing the structural strength of the beam joint.
In fig. 1, the upper and lower sides of the steel beam 10 are symmetrical with respect to the steel beam 10, and the steel structure as a whole is also of a symmetrical structure (left-right symmetry). The number and specific arrangement of the steel struts 20 can be adjusted by those skilled in the art under the above concept of providing the first shear reinforcement 30 to meet the design requirements of a specific scene.
Referring to fig. 3 and 4, the first shear reinforcement 30 includes a vertical plate 31 and a cover plate 32, the vertical plate 31 is connected to the cover plate 32 and forms a T-shaped structure, the vertical plate 31 is connected to both the two steel supports 20 and the steel beam 10, and both ends of the cover plate 32 are respectively connected to the two steel supports 20. The vertical plate 31 and the cover plate 32 may be integrally formed or may be welded together in advance.
In a specific embodiment, the vertical plate 31 has an isosceles trapezoid flat plate shape, and the vertical plate 31 has a rectangular flat plate shape. The two waists of the vertical plate 31 are respectively attached to the two steel supports 20 to bear the pressing force of the two steel supports 20 on the vertical plate 31. Two ends of the cover plate 32 are respectively attached to the two steel supports 20 to bear the extrusion force of the two steel supports 20 to the cover plate 32.
In a specific embodiment, the steel beam 10 includes an upper steel plate 11, a lower steel plate 12, a connecting plate 13, and a second shear reinforcement 40, the upper steel plate 11, the connecting plate 13, and the lower steel plate 12 are sequentially connected to form an i shape, the connecting plate 13 is broken at a position with a predetermined interval to form a shear hole, in this embodiment, the shear hole is a rectangular hole, and the second shear reinforcement 40 is disposed in the shear hole. The shear holes are the main positions of the steel beam 10 subjected to the shearing force, so that the stress condition of the positions can be adjusted in a targeted manner by changing the structure of the existing steel beam 10, and the second shear reinforcing members 40 can be designed into specific structures according to the direction of the shearing force applied to the steel beam 10, are connected with the steel beam 10 and bear or disperse the shearing force applied to the steel beam 10.
In one example, the second shear reinforcement 40 includes two vertical reinforcing ribs 42 and a horizontal reinforcing rib 41, the two vertical reinforcing ribs 42 are respectively connected to the cross-section of the connecting plate 13, and each vertical reinforcing rib 42 has an upper end connected to the upper steel plate 11 and a lower end connected to the lower steel plate 12, and the horizontal reinforcing rib 41 is located between the two vertical reinforcing ribs 42 and connected to the two vertical reinforcing ribs 42. The vertical reinforcing ribs 42 are perpendicular to the upper steel plate 11, the lower steel plate 12 and the connecting plate 13, the horizontal reinforcing ribs 41 are perpendicular to the vertical reinforcing ribs 42 and parallel to the upper steel plate 11 and the lower steel plate 12, and therefore the two vertical reinforcing ribs 42 and the horizontal reinforcing rib 41 are connected into an I shape.
In a specific embodiment, a plurality of oblique reinforcing ribs 43 are disposed between the horizontal reinforcing rib 41 and the upper steel plate 11 and between the horizontal reinforcing rib 41 and the lower steel plate 12, one end of each oblique reinforcing rib 43 is connected to the horizontal reinforcing rib 41, the other end of each oblique reinforcing rib 43 is connected to the upper steel plate 11 or the lower steel plate 12, and an oblique included angle is formed between each oblique reinforcing rib 43 and the horizontal reinforcing rib 41. The diagonal reinforcement ribs 43 are arranged such that the shear force is transmitted between the horizontal reinforcement ribs 41 and the upper steel plate 11 and between the horizontal reinforcement ribs 41 and the lower steel plate 12 when the second shear reinforcement 40 is subjected to the shear force. Thereby increasing the dispersion of shear forces and reducing stress concentrations.
The number of the diagonal reinforcing ribs 43 may be determined according to the size of the space between the horizontal reinforcing rib 41 and the upper steel plate 11 and the size of the space between the horizontal reinforcing rib 41 and the lower steel plate 12. As shown in fig. 3 and 4, 4 diagonal reinforcing ribs 43 are provided on both upper and lower sides of the horizontal reinforcing rib 41, wherein two diagonal reinforcing ribs 43 on the right side are inclined to the right and two diagonal reinforcing ribs 43 on the left side are inclined to the left.
As for the inclination angle of the diagonal reinforcing ribs 43, it can be determined according to the actual stress situation in the present embodiment that the length direction of some diagonal reinforcing ribs 43 is parallel to one of the steel supports 20, and the length direction of the other diagonal reinforcing ribs 43 is parallel to the other steel support 20.
Further, the beam node provided in this embodiment further includes a trapezoidal sealing plate 60, the trapezoidal sealing plate 60 covers the middle position of the shear hole to partially shield the shear hole, one end of the trapezoidal sealing plate 60 is connected to the upper steel plate 11 or the lower steel plate 12, and the other end is connected to the horizontal stiffener 41. In some embodiments, the waist of the trapezoidal sealing plate 60 may also be connected with the diagonal reinforcing rib 43.
This embodiment further provides a steel construction, combines fig. 2, and this steel construction includes two steel columns 50 and the beam node in this embodiment, and the both ends of girder steel 10 are connected respectively on two steel columns 50, and girder steel 10 is connected to the one end of steel shotcrete 20, and steel column 50 is connected to the other end. The steel structure not only meets the requirements of process equipment arrangement and pedestrian passageways, but also can effectively reduce the shearing force borne by the steel beam 10, improve the stability of the whole structure and greatly reduce the potential safety hazard of the steel structure.
In the present embodiment, "connecting" is specifically welding, and a hinge, a snap, or the like may be selected if the functions are satisfied.
In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A beam joint, comprising: the steel beam structure comprises a steel beam (10), a first shear reinforcement (30) and a plurality of steel supports (20) connected to the steel beam (10), wherein each steel support (20) forms an inclined included angle with the steel beam (10);
wherein a reserved interval is arranged between the connection points of the two steel supports (20) and the steel beam (10), and the first shear reinforcement (30) is arranged in the reserved interval and is connected with the two steel supports (20) and the steel beam (10).
2. The beam node according to claim 1, wherein the first shear reinforcement (30) comprises a vertical plate (31) and a cover plate (32), the vertical plate (31) and the cover plate (32) are connected and form a T-shaped structure, the vertical plate (31) is connected with the two steel supports (20) and the steel beam (10), and two ends of the cover plate (32) are respectively connected with the two steel supports (20).
3. The beam node according to claim 2, wherein the vertical plate (31) is shaped like an isosceles trapezoid flat plate, and the vertical plate (31) is shaped like a rectangular flat plate.
4. The beam node according to claim 1, wherein the steel beam (10) comprises an upper steel plate (11), a lower steel plate (12), a connecting plate (13) and a second shear reinforcement (40), the upper steel plate (11), the connecting plate (13) and the lower steel plate (12) are sequentially connected to form an I shape, the connecting plate (13) is disconnected at the position of the reserved interval to form a shear hole, and the second shear reinforcement (40) is arranged in the shear hole.
5. The beam node according to claim 4, wherein the second shear reinforcement (40) comprises a horizontal reinforcement rib (41) and two vertical reinforcement ribs (42), the two vertical reinforcement ribs (42) are respectively connected to a cross-section of the connecting plate (13), an upper end of each vertical reinforcement rib (42) is connected to the upper steel plate (11), a lower end of each vertical reinforcement rib is connected to the lower steel plate (12), and the horizontal reinforcement rib (41) is located between the two vertical reinforcement ribs (42) and is connected to the two vertical reinforcement ribs (42).
6. The beam node according to claim 5, wherein the vertical stiffener (42) is perpendicular to the upper steel plate (11), the lower steel plate (12) and the connecting plate (13), and the horizontal stiffener (41) is perpendicular to the vertical stiffener (42) and parallel to the upper steel plate (11) and the lower steel plate (12).
7. The beam node according to claim 5, wherein a plurality of diagonal reinforcing ribs (43) are arranged between the horizontal reinforcing rib (41) and the upper steel plate (11) and between the horizontal reinforcing rib (41) and the lower steel plate (12), one end of each diagonal reinforcing rib (43) is connected with the horizontal reinforcing rib (41), the other end of each diagonal reinforcing rib is connected with the upper steel plate (11) or the lower steel plate (12), and an inclined included angle is formed between each diagonal reinforcing rib (43) and the horizontal reinforcing rib (41).
8. A beam joint according to claim 7, characterized in that the length direction of some of said diagonal reinforcement ribs (43) is parallel to one of said steel supports (20), and the length direction of the remaining diagonal reinforcement ribs (43) is parallel to the other of said steel supports (20).
9. The beam node according to claim 5, further comprising a trapezoidal sealing plate (60), wherein the trapezoidal sealing plate (60) covers a middle position of the shear hole, one end of the trapezoidal sealing plate (60) is connected to the upper steel plate (11) or the lower steel plate (12), and the other end is connected to the horizontal stiffener (41).
10. A steel structure comprising two steel columns (50) and a beam joint according to any one of claims 1 to 9, the steel beam (10) being connected at each end to two of the steel columns (50), the steel struts (20) being connected at one end to the steel beam (10) and at the other end to the steel columns (50).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023247733.5U CN214833419U (en) | 2020-12-28 | 2020-12-28 | Beam joint and steel structure |
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| CN202023247733.5U CN214833419U (en) | 2020-12-28 | 2020-12-28 | Beam joint and steel structure |
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| CN214833419U true CN214833419U (en) | 2021-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137108A (en) * | 2021-04-14 | 2021-07-20 | 国核电力规划设计研究院有限公司 | Spring layer supporting frame |
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2020
- 2020-12-28 CN CN202023247733.5U patent/CN214833419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137108A (en) * | 2021-04-14 | 2021-07-20 | 国核电力规划设计研究院有限公司 | Spring layer supporting frame |
| CN113137108B (en) * | 2021-04-14 | 2022-09-23 | 国核电力规划设计研究院有限公司 | Spring layer supporting frame |
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