CN212295060U - Rhombic grid supported double-lateral-force-resisting frame with cross braces - Google Patents
Rhombic grid supported double-lateral-force-resisting frame with cross braces Download PDFInfo
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- CN212295060U CN212295060U CN202021526849.XU CN202021526849U CN212295060U CN 212295060 U CN212295060 U CN 212295060U CN 202021526849 U CN202021526849 U CN 202021526849U CN 212295060 U CN212295060 U CN 212295060U
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Abstract
A rhombic grid support double lateral force resisting frame with cross braces comprises upright posts, cross beams and rhombic grids; the two upright posts are arranged in parallel, and the plurality of cross beams are vertically arranged between the two upright posts at equal intervals to separate the two upright posts into a plurality of rectangular frames; rhombus grids are fixedly arranged in each rectangular frame, and the diagonal lines of the rhombus grids are perpendicular to the upright posts or the cross beams. The utility model discloses the net supports effectual calculation length that has reduced the support member, and the slenderness ratio of support member is little, and anti bucking ability is good, and difficult emergence is supported member bucking and is destroyed, and buckling destruction is supported in easily controlled.
Description
Technical Field
The utility model belongs to the technical field of building engineering bearing structure, in particular to take rhombus net of stull to support dual anti side force frame.
Background
The steel structure building can greatly reduce the construction period because the components can be manufactured in a factory and installed on site, and steel in the steel structure building can be recycled, so that the construction waste can be greatly reduced, and the steel structure building is more environment-friendly, so that the steel structure building is widely applied to industrial buildings and civil buildings. Therefore, new technology for supporting the design and construction of multi-story and high-rise buildings is urgently needed.
For steel structure, the influence of side load effect (including earthquake action and wind load) is in a prominent position as the height of high-rise and super high-rise houses increases, so that the side force resistance and the seismic capacity of the structure are generally improved by a side force resistant component, and a steel frame-support system is a common system in the multi-rise steel structure.
In order to improve the lateral stiffness and lateral bearing capacity of a building in the existing steel structure building, members such as large supports are generally adopted, the ductility of the structure is poor, and particularly under the action of a reciprocating horizontal earthquake, when the stress of the structure enters an elastic-plastic range, the shearing resistance of a floor and the lateral stiffness of the structure are rapidly reduced, the lateral movement between layers is excessively increased, and finally the integral instability and damage of the structure are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take rhombus net of stull to support dual anti side force frame to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rhombic grid support double lateral force resisting frame with cross braces comprises upright posts, cross beams and rhombic grids; the two upright posts are arranged in parallel, and the plurality of cross beams are vertically arranged between the two upright posts at equal intervals to separate the two upright posts into a plurality of rectangular frames; rhombic grids are fixedly arranged in each rectangular frame, and diagonal lines of the rhombic grids are perpendicular to the upright posts or the cross beams; the transverse supports are arranged along the diagonal lines of the rhombic grids and are perpendicular to the stand columns.
Furthermore, the rhombic grids comprise supporting rods, end plates and force transmission plates; four bracing pieces weld and form the rhombus frame, and four corners of rhombus frame all weld the end plate, and the biography power board welds on the end plate.
Furthermore, node plates are welded at the middle points of four edges of the rectangular frame, and matched bolt holes are formed in the node plates and the force transmission plate; the gusset plate and the force transmission plate are fixedly connected through bolts.
Further, the upright column is a rectangular steel pipe column, a circular steel pipe column, a rectangular steel pipe concrete column or a circular steel pipe concrete column; the cross beam is an I-shaped steel beam.
Furthermore, the support rod is a square steel pipe, a round steel pipe, an I-shaped steel support, a T-shaped steel support, an L-shaped steel support, a channel-shaped steel support, a cross-shaped steel support or an L-shaped steel support.
Compared with the prior art, the utility model discloses there is following technological effect:
the utility model discloses the net supports effectual calculation length that has reduced the support member, and the slenderness ratio of support member is little, and anti bucking ability is good, and difficult emergence is supported member bucking and is destroyed, and buckling destruction is supported in easily controlled.
The utility model discloses reduce the member size, conveniently support and hide in the wall body, realize envelope integration, be favorable to building pleasing to the eye and functional design.
The utility model discloses the rigidity degradation of net braced frame structure more does benefit to the antidetonation power consumption slowly, owing to have dual tensile compressional bar spare, destroys the back when certain member, internal force redistribution, and other members still can provide rigidity, and whole structural rigidity degradation is slower, and ductility performance is better. While still having greater stiffness and load bearing capacity.
The utility model discloses the net supports can be prefabricated in the mill, passes through bolted connection with the frame, has improved the assemblization of structure and has assembled speed, fully adapts to assembled steel construction's requirement and characteristics, accords with the assembled building development requirement.
The utility model discloses simple structure, installation, replacement, transportation convenience, the separable assembly of net support, but also enclosure wall body integration, integral hoisting easily realizes the assembly.
Drawings
FIG. 1 is a detailed view of the frame of the present invention;
FIG. 2 is a detailed view of the grid support of the present invention;
FIG. 3 is a detailed view of the node connection of the present invention;
FIG. 4 is a schematic view of the overall structure of the present invention;
in the figure: 1. a column; 2. a beam; 3. a gusset plate; 5. an end plate; 6. a force transmission plate; 7, supporting; 10 transverse support.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
referring to fig. 1 to 4, a rhombic lattice support double lateral force resisting frame with cross braces comprises upright posts 1, cross beams 2 and rhombic lattices; the two upright posts 1 are arranged in parallel, and the plurality of cross beams 2 are vertically arranged between the two upright posts 1 at equal intervals to divide the two upright posts 1 into a plurality of rectangular frames; rhombic grids are fixedly arranged in each rectangular frame, and the diagonal lines of the rhombic grids are perpendicular to the upright posts 1 or the cross beams 2; the cross braces 10 are arranged along the diagonal of the rhombic lattice and are perpendicular to the upright posts.
The rhombic grids comprise supporting rods 7, end plates 5 and force transmission plates 6; four bracing pieces 7 weld and form the rhombus frame, and four corners of rhombus frame all weld has end plate 5, and dowel plate 6 welds on end plate 5. The grid support effectively reduces the calculated length of the support rod piece, the length-to-fineness ratio of the support rod piece is small, the buckling resistance is good, buckling damage of the support rod piece is not prone to occurring, and buckling damage of the support is easy to control.
The middle points of four edges of the rectangular frame are welded with the gusset plates 3, and the gusset plates 3 and the force transmission plate 6 are provided with matched bolt holes; the gusset plate 3 and the force transmission plate 6 are fixedly connected by bolts.
The upright column 1 is a rectangular steel pipe column, a circular steel pipe column, a rectangular steel pipe concrete column or a circular steel pipe concrete column; the cross beam 2 is an I-shaped steel beam.
The support rod 7 is a square steel pipe, a round steel pipe, an I-shaped steel support, a T-shaped steel support, an L-shaped steel support, a channel steel support, a cross steel support or an L-shaped steel support.
As shown in the detailed frame diagram of fig. 1, the single-span two-layer frame is composed of two upright posts 1 and two beams 2, the two upright posts are vertically arranged, two ends of the beam are welded on the upright posts, gusset plates 3 are welded at the connecting positions of the frame posts and the supports, and the gusset plates are welded at the connecting positions of the supports and the beams 2.
As shown in fig. 2, the lattice support of the present invention is a detail view, and the rhombic lattice support with cross braces includes a support rod 7 and a cross brace 10. The four support rods are symmetrically arranged to form a rhombus, the transverse support is horizontally arranged and welded on the end plate together with two horizontal nodes of the rhombus frame, the force transmission plate is welded on the end plate, the other two upper and lower nodes of the rhombus are respectively welded on the end plate, the force transmission plate is welded on the end plate, and the rhombus grid support with the transverse support is formed.
As shown in fig. 3, the node connection detail view of the present invention shows that the grid support is connected with the node plate of the frame through the force transmission plate on the supporting end plate by bolts. In addition, the grid support can be connected with the beam column through the end plate and the direct bolt by arranging corresponding bolt holes on the support end plate and the beam column.
As shown in fig. 4, the overall structure of the utility model is schematically illustrated, the grid support is connected to the frame through the connection mode shown in fig. 3, forming the patent of the utility model.
The utility model relates to a take rhombus net of stull to support dual anti side force frame cell and improve the anti side force stability and the structural ductility of building when effectively reducing member length and size. The grid support unit is connected with the structure through the bolts, so that the assembly speed and the assembling speed of the structure are improved.
The above description of the present invention is provided for the purpose of illustration and description, and it is not to be construed as an admission that the present invention is not limited thereto, but rather as a definition of the limits of the invention, it is understood that the invention is capable of numerous modifications and variations, all without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. A rhombic grid support double lateral force resisting frame with cross braces is characterized by comprising upright posts (1), cross beams (2), cross braces (10) and rhombic grids; the two upright posts (1) are arranged in parallel, and the plurality of cross beams (2) are vertically arranged between the two upright posts (1) at equal intervals to divide the two upright posts (1) into a plurality of rectangular frames; rhombic grids are fixedly arranged in each rectangular frame, and the diagonal lines of the rhombic grids are perpendicular to the upright posts (1) or the cross beams (2); the transverse supports (10) are arranged along the diagonal lines of the rhombic grids and are perpendicular to the upright posts.
2. A rhombic lattice supported double side force resisting frame with cross braces according to claim 1, characterized in that the rhombic lattice comprises supporting rods (7), end plates (5) and force transmission plates (6); four bracing pieces (7) welding form the rhombus frame, and end plate (5) have all been welded in four corners of rhombus frame, and dowel steel (6) welding is on end plate (5).
3. The rhombic grid supported double lateral force resisting frame with the cross braces according to claim 2, characterized in that the gusset plates (3) are welded to the midpoints of four sides of the rectangular frame, and the gusset plates (3) and the force transmission plates (6) are provided with matched bolt holes; the gusset plate (3) and the force transmission plate (6) are fixedly connected through bolts.
4. The rhombic grid supported double lateral force resisting frame with the cross braces according to claim 1, wherein the upright columns (1) are rectangular steel pipe columns, circular steel pipe columns, rectangular steel pipe concrete columns or circular steel pipe concrete columns; the beam (2) is an I-shaped steel beam.
5. A rhombic lattice support double side force resisting frame with cross braces according to claim 1, characterized in that the support rods (7) are square steel tubes, round steel tubes, I-steel supports, T-steel supports, L-steel supports, channel steel supports, cross steel supports or L-steel supports.
Priority Applications (1)
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CN202021526849.XU CN212295060U (en) | 2020-07-28 | 2020-07-28 | Rhombic grid supported double-lateral-force-resisting frame with cross braces |
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CN202021526849.XU CN212295060U (en) | 2020-07-28 | 2020-07-28 | Rhombic grid supported double-lateral-force-resisting frame with cross braces |
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CN212295060U true CN212295060U (en) | 2021-01-05 |
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