A rapid assembly and construction method for large-space indoor suspended spherical steel structures

Abstract

This invention discloses a rapid assembly and construction method for large-space indoor suspended spherical steel structures. The method involves prefabricating the node structures in a prefabrication plant; assembling the node structures into various sheet-like component units on the ground; then assembling these sheet-like component units into a spherical steel structure; and finally, embedding, welding, and reinforcing the loose members of the spherical steel structure. The beneficial effects of this invention are: by dividing the spherical steel structure into splicing units, constructing installation frames in sections, and assembling them sequentially, with reinforcement between different modules through embedded members, this method achieves unit assembly and rapid construction of the spherical structure. It is suitable for the rapid assembly and construction of large-space indoor suspended spherical steel structures. On the one hand, it enables precise assembly of the spherical steel structure and ensures the safety and reliability of the connection between the drum-shaped nodes and the main structure; on the other hand, it provides technical support for the rapid and lean construction of large-space indoor suspended spherical steel structures.

Description

Technical Field

[0001] This invention relates to the field of suspended spherical steel structure construction technology, and in particular to a rapid assembly construction method for large-space indoor suspended spherical steel structures. Background Technology

[0002] Currently, more and more science and technology exhibition halls are gradually transforming from traditional cinemas to new spherical screen wall cinemas. Spherical steel structures, as the skeleton of spherical screen walls, have comprehensive advantages such as light weight, good seismic performance, high temperature resistance, and less environmental pollution, and are widely used in the field of large public venue buildings.

[0003] 1. For example, a Chinese patent discloses a BIM-based installation method for a large-span steel structure spherical curved reticulated shell (Publication No.: CN113434929B), which includes the following steps: establishing a BIM model; processing the parts required for installing the reticulated shell; measuring, positioning, and correcting the supports; erecting a starting frame operating platform; assembling the first span of the curved reticulated shell; and assembling the other spans of the curved reticulated shell. This method avoids the limitations of traditional construction methods for large-span steel structure reticulated shell buildings, providing a reasonable, efficient, and precise installation method for such projects with unique appearances and complex structures. The entire process is assisted by BIM technology, reducing the input of turnover materials, saving labor costs, reducing labor intensity, and increasing installation speed, resulting in particularly outstanding economic benefits.

[0004] 2. An installation method for a spherical building steel structure (publication number: CN106481083A), which includes the following steps: (1) Foundation inspection and acceptance, measurement point positioning; (2) Install steel columns from bottom to top, and after each layer is installed, install the next layer; (3) Install the steel columns first outer ring, then middle ring, then the crossbeam between the outer ring and the middle ring, and finally the inner ring and the crossbeam between the inner ring and the middle ring. Complete the next section in this order, and then connect the crossbeam between the two sections to form a planar structure. Continue in this way until the planar structure of this layer is completed, and then hand it over to the civil engineering for platform construction; (4) Repeat steps (2) to (3) to complete the installation of the next layer of structure until the structure is constructed to the top; (5) The top is a grid shell structure. The grid shell installation starts from the center of the indoor structural truss as the assembly starting point, expands to the surrounding area for assembly and welding, and then starts to lift until the lifting reaches the design elevation and the assembly is completed; (6) The grid shell is in place, aligned and welded. After inspection and approval, the structure is unloaded.

[0005] The existing spherical space frame has a complex spatial structure, requires high installation precision, and is difficult to construct. How to ensure accuracy while taking into account construction quality, feasibility, and improving construction efficiency has become a construction challenge for spherical curtain wall steel structures.

[0006] Therefore, it is necessary to propose a rapid assembly and construction method for large-space indoor suspended spherical steel structures to address the aforementioned technical problems. Summary of the Invention

[0007] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a rapid assembly and construction method for large-space indoor suspended spherical steel structures to solve the above problems.

[0008] A rapid assembly and construction method for a large-space indoor suspended spherical steel structure, comprising the following steps:

[0009] S1. The node structure is prefabricated in the prefabrication plant;

[0010] S2. Based on the design and the drawings of the segmented components, assemble the node structure into various sheet-like component units on the ground.

[0011] S3. According to the layout drawing, position and erect the spherical steel structure chassis frame, and complete the hoisting and fixing of the first segment unit at the bottom of the spherical steel structure;

[0012] S4. After completing the pre-assembly of the first segment unit, verifying its positioning and reinforcing it, use an electric hoist to lift the second segment unit as a whole.

[0013] S5. Carry out the hoisting and node welding of the steel structure components of the first curtain wall of the lower half of the spherical steel structure, and complete the embedding, welding and reinforcement of the scattered members;

[0014] S6. Erect the intermediate support frame according to the positioning to the top of the center of the spherical steel structure, and complete the hoisting and fixing of the sixth segment unit at the top of the spherical steel structure.

[0015] S7. Carry out the hoisting and splicing of the steel structure components of the second curtain wall in the upper part of the spherical steel structure, and complete the embedding, welding and reinforcement of the miscellaneous members.

[0016] The node structure includes box-shaped members, drum-shaped nodes, and stiffening steel plates. Several box-shaped members are connected to the circumference of the box-shaped members, and the drum-shaped nodes are connected to the floor beams through stiffening plate assemblies.

[0017] Preferably, the stiffening plate assembly includes a plurality of stiffening plates, and two stiffening plates are connected by high-strength bolts.

[0018] Preferably, the sheet-like component unit includes a first segmented unit, a second segmented unit, a third segmented unit, a fourth segmented unit, a fifth segmented unit, a sixth segmented unit, a seventh segmented unit, an eighth segmented unit, a ninth segmented unit, and a tenth segmented unit.

[0019] Preferably, the first curtain wall steel structure component is a third segment unit, a fourth segment unit, and a fifth segment unit.

[0020] Preferably, the second curtain wall steel structure component is a seventh segment unit, an eighth segment unit, a ninth segment unit, and a tenth segment unit.

[0021] Before proceeding to step S7, the drum-shaped nodes of the third, fourth, and fifth segment units are all fixed to the edge fixing frame using brackets.

[0022] The surface of the spherical steel structure has several connection nodes that connect to the main structure.

[0023] After the spherical steel structure is assembled, the connecting nodes are fixed to the main structure using connecting frames.

[0024] The upper connection nodes of the spherical steel structure are first connected to the main structure, then the lower connection nodes of the spherical steel structure are connected to the main structure, and finally the various frames are removed.

[0025] Compared with existing technologies, the present invention has the following advantages: By dividing the spherical steel structure into splicing units, constructing installation frames in sections, and assembling them sequentially, the present invention achieves unit assembly and rapid construction of the dome structure through the reinforcement of different segmented modules with interlocking rods; it is suitable for the rapid assembly and construction of large-space indoor suspended spherical steel structures. On the one hand, it can achieve precise assembly of the spherical steel structure and ensure the safety and reliability of the connection between the drum-shaped nodes and the main structure; on the other hand, it provides technical support for the rapid and lean construction of large-space indoor suspended spherical steel structures. Attached Figure Description

[0026] Figure 1 This is a flowchart of the rapid assembly construction method for the large-space indoor suspended spherical steel structure of the present invention;

[0027] Figure 2 and Figure 3 This is a structural diagram of the spherical steel structure assembly of the present invention;

[0028] Figure 4 and Figure 5 This is a diagram showing the connection between the node structure and the main structure of the present invention;

[0029] Figure 6 This is a diagram of the drum-shaped node structure of the present invention.

[0030] The attached figures are labeled as follows: 1. Node structure; 101. Box-type member; 102. Drum-shaped node; 103. Stiffening plate assembly; 104. Stiffening plate; 2. Sheet-shaped component unit; 201. First segment unit; 202. Second segment unit; 203. Third segment unit; 204. Fourth segment unit; 205. Fifth segment unit; 206. Sixth segment unit; 207. Seventh segment unit; 208. Eighth segment unit; 209. Ninth segment unit; 210. Tenth segment unit; 3. Spherical steel structure; 4. Main structure. Detailed Implementation

[0031] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0032] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0034] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0035] like Figure 1 and combined Figures 2 to 6 As shown, a rapid assembly and construction method for a large-space indoor suspended spherical steel structure is described, including the following steps:

[0036] S1. The node structure is prefabricated in the prefabrication plant;

[0037] S2. Based on the design and the drawings of the segmented components, assemble the node structure into various sheet-like component units on the ground.

[0038] S3. According to the layout drawing, position and erect the spherical steel structure chassis frame, and complete the hoisting and fixing of the first segment unit at the bottom of the spherical steel structure;

[0039] S4. After completing the pre-assembly of the first segment unit, verifying its positioning and reinforcing it, use an electric hoist to lift the second segment unit as a whole.

[0040] S5. Carry out the hoisting and node welding of the steel structure components of the first curtain wall of the lower half of the spherical steel structure, and complete the embedding, welding and reinforcement of the scattered members;

[0041] S6. Erect the intermediate support frame according to the positioning to the top of the center of the spherical steel structure, and complete the hoisting and fixing of the sixth segment unit at the top of the spherical steel structure.

[0042] S7. Carry out the hoisting and splicing of the steel structure components of the second curtain wall in the upper part of the spherical steel structure, and complete the embedding, welding and reinforcement of the miscellaneous members.

[0043] The node structure 1 includes a box-shaped rod 101, a drum-shaped node 102, and a stiffening plate assembly 103. The circumference of the drum-shaped node 102 is connected to several box-shaped rods 101, and the drum-shaped node 102 is connected to the main structure 4 through the stiffening plate assembly 103.

[0044] Furthermore, the stiffening plate assembly 103 includes a plurality of stiffening plates 104, and two stiffening plates 104 are connected by high-strength bolts.

[0045] Furthermore, the sheet-like component unit 2 includes a first segmentation unit 201, a second segmentation unit 202, a third segmentation unit 203, a fourth segmentation unit 204, a fifth segmentation unit 205, a sixth segmentation unit 206, a seventh segmentation unit 207, an eighth segmentation unit 208, a ninth segmentation unit 209, and a tenth segmentation unit 210.

[0046] Furthermore, the first curtain wall steel structure component comprises a third segment unit 203, a fourth segment unit 204, and a fifth segment unit 205.

[0047] Furthermore, the second curtain wall steel structure component comprises the seventh segment unit 207, the eighth segment unit 208, the ninth segment unit 209, and the tenth segment unit 210.

[0048] Before proceeding to step S7, the drum-shaped nodes 102 of the third segment unit 203, the fourth segment unit 204, and the fifth segment unit 205 are all fixed to the edge fixing frame by brackets.

[0049] The surface of the spherical steel structure 3 is provided with several connection nodes that connect to the main structure 4.

[0050] After the spherical steel structure 3 is assembled, the connecting nodes are fixed to the main structure 4 through the connecting frame.

[0051] The upper connection nodes of the spherical steel structure 3 are first connected to the main structure, then the lower connection nodes of the spherical steel structure 3 are connected to the main structure 4, and finally the various jigs are removed.

[0052] Compared with existing technologies, the present invention has the following advantages: By dividing the spherical steel structure into splicing units, constructing installation frames in sections, and assembling them sequentially, the present invention achieves unit assembly and rapid construction of the dome structure through interlocking rods between different segmented modules; it is suitable for the rapid assembly and construction of large-space indoor suspended spherical steel structures. On the one hand, it can achieve precise assembly of the spherical steel structure 3 and ensure the safety and reliability of the connection between the drum-shaped node 102 and the main structure 4; on the other hand, it provides technical support for the rapid and lean construction of large-space indoor suspended spherical steel structures.

[0053] Working principle: In the prefabrication plant, the box-type rods 101, drum-shaped nodes 102, stiffening plate assemblies 103, and other node structures are pre-fabricated. Based on the design and segmented component drawings, the box-type rods 101, drum-shaped nodes 102, and other rods are intersected and connected on the ground to complete the pre-assembly of each segmented component unit. According to the layout drawing, the spherical steel structure chassis frame is erected, and the first segmented unit 201 at the bottom of the spherical steel structure 3 is hoisted and fixed. The second segmented unit 202 in the suspension area of ​​the spherical steel structure 3 is pre-assembled, and after positioning verification and reinforcement, the second segmented unit is hoisted using an electric hoist. The overall improvement of Yuan 202; hoisting and node welding of the first curtain wall steel structure group (third segment unit 203, fourth segment unit 204, and fifth segment unit 205); embedding, welding and reinforcement of miscellaneous members; erecting the intermediate frame to the top of the sphere according to the positioning; hoisting and fixing the sixth segment unit 206 at the top of the spherical steel structure 3; hoisting and splicing of the second curtain wall steel structure components (seventh segment unit 207, eighth segment unit 208, ninth segment unit 209, and tenth segment unit 210); embedding, welding and reinforcement of miscellaneous members.

[0054] After the spherical steel structure 3 is assembled, each connection node is connected to the main structure 4 in sequence. Then the frame is removed in sequence, first the middle frame, then the bottom frame, and then the curtain wall glass is installed on the spherical steel structure 3.

[0055] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A rapid assembly and construction method for a large-space indoor suspended spherical steel structure, characterized in that: The method and steps are as follows: S1. The node structure is prefabricated in the prefabrication plant; S2. Based on the design and the drawings of the segmented components, assemble the node structure into various sheet-like component units on the ground (2). S3. According to the layout diagram, position and erect the spherical steel structure chassis frame, and complete the hoisting and fixing of the first segment unit (201) at the bottom of the spherical steel structure (3); S4. After completing the pre-assembly of the first segment unit (201), verifying its positioning and reinforcing it, use an electric hoist to lift the second segment unit (202) as a whole. S5. Carry out the hoisting and node welding of the first curtain wall steel structure components of the lower half of the spherical steel structure (3), and complete the embedding, welding and reinforcement of the scattered members; S6. Erect the intermediate frame according to the positioning to the top of the spherical steel structure (3) to complete the hoisting and fixing of the sixth segment unit (206) at the top of the spherical steel structure (3); S7. Carry out the hoisting and splicing of the second curtain wall steel structure components of the upper half of the spherical steel structure (3), and complete the embedding, welding and reinforcement of the scattered members.

2. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 1, characterized in that: The node structure (1) includes a box-shaped rod (101), a drum-shaped node (102) and a stiffening plate assembly (103). The circumference of the drum-shaped node (102) is connected to several box-shaped rods (101), and the drum-shaped node (102) is connected to the main structure (4) through the stiffening plate assembly (103).

3. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 2, characterized in that: The stiffening plate assembly (103) includes several stiffening plates (104), and two stiffening plates (104) are connected by high-strength bolts.

4. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 1, characterized in that: The sheet-like component unit (2) includes a first segment unit (201), a second segment unit (202), a third segment unit (203), a fourth segment unit (204), a fifth segment unit (205), a sixth segment unit (206), a seventh segment unit (207), an eighth segment unit (208), a ninth segment unit (209), and a tenth segment unit (210).

5. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 4, characterized in that: The first curtain wall steel structure component consists of the third segment unit (203), the fourth segment unit (204), and the fifth segment unit (205).

6. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 4, characterized in that: The second curtain wall steel structure component consists of the seventh segment unit (207), the eighth segment unit (208), the ninth segment unit (209), and the tenth segment unit (210).

7. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 4, characterized in that: Before step S7, the drum-shaped nodes (102) of the third segment unit (203), the fourth segment unit (204), and the fifth segment unit (205) are all fixed to the edge fixing frame by brackets.

8. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 1, characterized in that: The surface of the spherical steel structure (3) is provided with several connection nodes that are connected to the main structure (4).

9. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 1, characterized in that: After the spherical steel structure (3) is assembled, the connecting nodes are fixed to the main structure (4) by the connecting frame.

10. The rapid assembly and construction method for a large-space indoor suspended spherical steel structure as described in claim 1, characterized in that: The upper connection node of the spherical steel structure (3) is first connected to the main structure (4), then the lower connection node of the spherical steel structure (3) is connected to the main structure (4), and finally each frame is removed.

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