CN212427526U

CN212427526U - Tree-shaped bifurcated column structure

Info

Publication number: CN212427526U
Application number: CN202020851336.XU
Authority: CN
Inventors: 葛迪; 张峥; 周旋; 郝志鹏
Original assignee: Architecture Design and Research Institute of Tongji University Group Co Ltd
Current assignee: Architecture Design and Research Institute of Tongji University Group Co Ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-29
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to a branching post structure of tree-shaped, include many vertical steel column (100) that are used for fixing the lower part basic position at applied roof, be many main branching component (400) of annular arrangement at vertical steel column (100) capital and locate many time branching component (300) between two adjacent main branching component (400) respectively, the lateral wall of each time branching component (300) is connected with the lateral wall of adjacent main branching component (400) through the hoop contact member (200) that multirow is parallel and transversely set up. Compared with the prior art, the utility model has the advantages of roof supporting scope is big, and vertical supporting rigidity is good, and stability is good, and the sight is high.

Description

Tree-shaped bifurcated column structure

Technical Field

The utility model belongs to the technical field of building structure technique and specifically relates to a bifurcated column structure of tree form is related to.

Background

In the field of building construction technology, tree-like column structures are a very common type of structure. Unlike a typical upright column, the tree column provides a greater range and a greater number of vertical support conditions for the upper roof structure through various types of bifurcated forms. The column position supporting form can play a role in reducing the number of indoor columns, so that the indoor space is more spacious and transparent, and the arrangement of building functions is facilitated. In addition, the tree-shaped column is also a common technique for architects, and the well-designed tree-shaped column structure can play a good role in building interior decoration. The tree-shaped column structure is commonly used for buildings such as railway stations, airports, outdoor ribbons and the like.

The excellent architectural design project is a work of the cooperation of architects and constructors. In the aspect of tree-shaped column structure design, attention needs to be paid to expressive force of the tree-shaped column from the building perspective, and the structure design is a building form. From a structural point of view, the following aspects are of great interest: the number of bifurcations, the angle of bifurcations, and the form of bifurcations. The organic combination of structural design and architectural design can make outstanding arborescent column structure under the prerequisite that not only satisfies structural safety but also satisfies the building look and feel requirement. Another design difficulty of the tree-shaped column structure is the treatment of nodes at the intersection of multiple rods at the bifurcation. The steel casting joint is a consistent treatment mode, but the steel consumption is large and the manufacturing cost is quite expensive. Therefore, how to provide a satisfy building structure integrated design, solve vertical supporting rigidity problem, and the good tree-like bifurcated column structure of stability is the difficult problem that the current post structure urgently needed to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a branching column structure of tree shape in order to overcome the defect that above-mentioned prior art exists, this structure vertical support rigidity is good, and stability is good, and the supporting range is big when acting on the roof, not only can satisfy building structure integrated design, can also effectively solve relevant node technical problem.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a branching post structure of tree form for building roof supports, includes and is used for fixing many vertical steel columns at the lower part basic position of applied roof, is many main branching component that the annular was arranged at vertical steel column capital and locates many inferior branching component between two adjacent main branching component respectively, and the lateral wall of each inferior branching component is connected with the lateral wall of adjacent main branching component through the hoop contact member that multirow parallel and transversely set up.

Further, rows of circumferential communication members between adjacent primary and secondary furcation members are arranged in parallel at equal intervals.

Further, the primary and secondary furcation members are each continuously smooth arcuate members.

Furthermore, the top of each vertical steel column is divided into two parts through a steel casting and is respectively connected with the two main branch members.

Furthermore, the number of the vertical steel columns is four, the four vertical steel columns are symmetrically arranged in pairs, and the tops of the four vertical steel columns are divided into two parts through steel castings and are respectively connected with the eight main branch members.

Further, the column bottom of the vertical steel column is fixed at the lower base position of the applied roof through an externally-wrapped rigid joint.

Furthermore, each vertical steel column is fixed at the bottom of the column at the lower foundation position of the applied roof by adopting an inserted rigid connection column base node.

Furthermore, the annular connection component is connected with the primary fork component and the secondary fork component through penetration welding.

Further, an end part connecting component is arranged above the top part of the main fork component and the adjacent secondary fork component, the end part connecting component, the top part of the main fork component and the adjacent secondary fork component form a sharp-angled blade-shaped structure, and the end part connecting component and the main fork component are connected through a plurality of rows of annular connecting components which are arranged in parallel at equal intervals.

Furthermore, the opening angle of the main branch component is 40-50 degrees, and the opening angle of the secondary branch component is 20-30 degrees.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the utility model combines the structural function arrangement of the tree-shaped column with the building appearance effect, and provides a more beautiful form of the tree-shaped bifurcated column;

2) the structure of the utility model has a larger bifurcation angle, the main bifurcation component is 40-50 degrees, the secondary bifurcation component is 20-30 degrees, which can provide a larger range of supporting points for the roof structure and ensure the vertical rigidity of the whole roof;

3) the utility model adopts the hoop connection components which are evenly arranged in parallel and are arranged between the branch components, improves the integral stability of the tree-shaped branch column structure, provides lateral restraint for the branch of the tree-shaped column, and simultaneously does not need other materials for secondary decoration because of being combined with the branch components of the branch column, fully shows the strength and beauty of the building, has better rhythm sense, and greatly improves the ornamental value of the whole column structure;

4) the utility model adopts the annular connection components which are evenly arranged in parallel and are arranged between the branch components, thereby improving the stability of the whole tree-shaped branch column structure and saving the cost because a large amount of steel casting nodes are not needed to be installed;

5) the multi-row annular connection components arranged in parallel at equal intervals are organically combined with the branch components to form a whole with space action, the end connection components are arranged above the top of the main branch component and the adjacent secondary branch component, and the end connection components and the top of the main branch component and the adjacent secondary branch component jointly form a closed angle blade-shaped structure, so that the stability of the tree-shaped branch column is further ensured;

6) the utility model discloses a column bottom of vertical steel column adopts outer packet mode rigid coupling node and lower part foundation connection, and adopts between hoop contact member and main bifurcation component and the time bifurcation component to run through the welding mutually and be connected, can further improve the steadiness of whole tree-like bifurcated column structure.

Drawings

Fig. 1 is a schematic perspective view of a tree-shaped bifurcated column structure in an embodiment of the present invention;

fig. 2 is a schematic top plan view of a tree-shaped bifurcated column structure according to an embodiment of the present invention;

fig. 3 is a schematic elevation structure diagram of a tree-shaped bifurcated column structure in an embodiment of the present invention;

fig. 4 is a schematic structural view of a column bottom rigid connection node in an embodiment of the present invention;

FIG. 5 is a schematic top view of the structure of FIG. 4;

fig. 6 is a schematic view of the overall connection of the outdoor streamer roof and the tree post structure in an embodiment of the invention;

fig. 7 is a schematic view of a joint between the ribbon grid beam and the top of the tree-shaped pillar according to the embodiment of the present invention;

the reference numbers in the figures indicate:

100. the structure comprises vertical steel columns, 200 annular connection members, 300 secondary branching members, 400 primary branching members, 500 end connection members, 600 rigid connection nodes, 700 ribbon grid beams, 800 tree-shaped branching column structures, 900 and cylinders.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Examples

The utility model provides a branching column structure of tree-shaped for support building roof, including many vertical steel columns 100, a plurality of main branching component 400, inferior branching component 300 and hoop contact component 200.

In the present embodiment, as shown in fig. 1 to fig. 3, specifically, 4 vertical steel columns 100 are arranged two by two symmetrically, and the bottoms of the vertical steel columns 100 are fixed at the lower base position of the applied roof site. A plurality of main branch members 400 are annularly arranged on top of the vertical steel column 100. Each secondary fork member 300 is disposed between two adjacent primary fork members 400, and the side walls of the secondary fork members 300 are supported on the side walls of the adjacent primary fork members 400 by a plurality of parallel and transversely disposed rows of circumferential link members 200, and the secondary fork members 300 are not directly connected to the vertical steel columns 100. The vertical steel column 100, the main bifurcation member 400, the secondary bifurcation member 300 and the circumferential connection member 200 form an umbrella-shaped tree-shaped bifurcation column structure. The primary and

secondary furcation members

400 and 300 are each continuously smooth, curved members. The upper end points of the primary and

secondary furcation members

400 and 300 are used to provide support for the upper large-span roof structure. An end linking member 500 is attached to the top of the primary fork member 400 above the adjacent secondary fork member 300 such that the top of the primary fork member 400 and the adjacent secondary fork member form a pointed blade-like structure. The end communication members 500 are also connected to the primary fork member 400 by a plurality of parallel rows of equally spaced laterally disposed circumferential communication members 200. In this embodiment, as a preferable scheme, two circumferential communication members 200 are symmetrically disposed on one sidewall connection node of one secondary furcation member 300, and the other ends of the two circumferential communication members 200 are respectively connected with the sidewalls of the two left and right adjacent primary furcation members 400. Similarly, two circumferential connection members 200 are symmetrically arranged on a side wall connection node of one main bifurcation member 400, and the other ends of the two circumferential connection members 200 are respectively connected with the side walls of the two left and right adjacent secondary bifurcation members 300. That is, the ends of the respective circumferential link members 200 disposed at the same lateral level are sequentially connected.

In this embodiment, the height of the vertical steel column 100 is 9 m. Preferably, the tops of the 4 vertical steel columns 100 (i.e., the branch point positions of the tree-shaped columns) are divided into two by a steel casting and are respectively connected with the 8 main branch members 400. As shown in fig. 4 and 5, the bottoms of the four vertical steel columns 100 are connected with the lower foundation of the roof by using externally-wrapped rigid connection nodes or plug-in rigid connection column foot nodes, so as to ensure the overall rigidity and stability of the tree-shaped column.

In this embodiment, the main fork member 400 has an opening angle of about 40 to 50 degrees and a support radius of about 14 m; the opening angle of the secondary bifurcation member 300 is about 20-30 degrees, the bearing radius is about 8m, and the bifurcation angle between the primary bifurcation member 400 and the secondary bifurcation member 300 is large, so that a large-range supporting point can be provided for a roof structure, and the vertical rigidity of the whole roof is ensured.

In this embodiment, the planar distance from the top end point of the primary furcation member 400 to the base of the vertical steel column 100 is about 14m, and the planar distance from the top end point of the secondary furcation member 300 to the base of the vertical steel column 100 is about 9 m.

In this embodiment, as shown in fig. 2, 14 circumferential communication members 200 are disposed between the respective branch members, and the circumferential communication members 200 are uniformly disposed, and preferably, the distance between the circumferential communication members 200 in each row is about 1.2 m. The circumferential communication member 200 is joined to each of the fork members (including the primary fork member 400 and the secondary fork member 300) by a penetration weld. The arrangement of the annular connection members 200 greatly improves the overall stability of the tree-shaped bifurcated column structure. Preferably, the circumferential connection members 200 are arranged in a uniform and parallel manner, so that lateral restraint is provided for the bifurcation of the tree-shaped columns, and a relatively good rhythm sense is formed.

In the practical application of the tree-shaped bifurcate column structure of the present invention, as shown in fig. 6, the present embodiment provides an application case, namely three pieces of the tree-shaped bifurcate column structure of the present invention supports an outdoor streamer lattice structure with a size of about 70mx90 m. The three tree-like bifurcated column structures provide 16 support points for the streamer roof structure. The support points are the bifurcation end points of 8 primary and 8 secondary bifurcation members. The grid is in an orthogonal grid arrangement mode, the grid beam is a rectangular steel pipe, and the grid size is about 3mx5 m.

In this embodiment, as shown in fig. 7, the top ends of the furcation members (including the primary furcation members 400 and the secondary furcation members 300) are connected at the intersection with the ribbon grid beams 700 using a cylinder 900 to accommodate the overall contour of the ribbon roof.

The utility model combines the structural function arrangement of the tree-shaped column with the building appearance effect, and provides a more beautiful form of the tree-shaped bifurcated column; the upper end branching angle of the structure is large, a large-range supporting point can be provided for the roof structure, and the integral vertical rigidity of the roof is guaranteed. The annular connection members which are uniformly arranged in parallel are arranged between the branch members, the overall stability of the tree-shaped branch column structure is improved, lateral restraint is provided for branching of the tree-shaped column, and secondary decoration is not needed by other materials due to the combination of the annular connection members and the branch members of the branch columns, so that the strength and beauty of a building are fully displayed, a good rhythm sense is achieved, and the ornamental value of the whole column structure is greatly improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a tree-shaped bifurcated column structure for building roof supports, its characterized in that includes and is used for fixing many vertical steel columns (100) at the lower part basic position of applied roof, be many main bifurcation component (400) of annular arrangement at vertical steel column (100) capital and locate many time bifurcation component (300) between two adjacent main bifurcation component (400) respectively, the lateral wall of each time bifurcation component (300) is connected with the lateral wall of adjacent main bifurcation component (400) through the hoop relation component (200) that multirow parallel and transversely set up.

2. The tree furcation post structure of claim 1, wherein the rows of circumferential link members (200) between adjacent primary (400) and secondary (300) furcation members are arranged in parallel at equal intervals.

3. The bifurcated trunk structure of claim 1, wherein the primary bifurcated member (400) and the secondary bifurcated member (300) are each continuous smooth curved members.

4. A tree-like bifurcated column structure according to claim 1, wherein the top of each vertical steel column (100) is connected to two main bifurcated members (400) by steel castings.

5. The tree-shaped bifurcated column structure as claimed in claim 4, wherein the number of the vertical steel columns (100) is four, the four vertical steel columns (100) are arranged symmetrically in pairs, and the tops of the four vertical steel columns (100) are divided into two parts by steel castings and are respectively connected with the eight main bifurcated members (400).

6. A tree-split column structure according to claim 1, wherein the bottom of said vertical steel columns (100) is fixed to the lower base of the applied roof by means of externally wrapped rigid joints.

7. A tree-furcated column structure in accordance with claim 1, wherein each vertical steel column (100) is fixed at the bottom of the column at the lower base position of the applied roof using a male rigid stub node.

8. The tree split column structure of claim 1, wherein said circumferential link member (200) is connected to said primary (400) and secondary (300) split members by a weld penetration.

9. The tree-type bifurcating column structure of claim 2, wherein the top of the main bifurcating member (400) and the top of the adjacent secondary bifurcating member (300) are provided with end linking members (500), the end linking members (500) and the top of the main bifurcating member (400) and the adjacent secondary bifurcating member (300) form a pointed blade-like structure, and the end linking members (500) and the main bifurcating member (400) are connected by a plurality of rows of annular linking members (200) which are arranged in parallel at equal intervals.

10. The tree-shaped bifurcated column structure of claim 1, wherein the main bifurcated member (400) has an opening angle of 40-50 °, and the sub bifurcated member (300) has an opening angle of 20-30 °.