CN-117306863-B - Large-space indoor suspension type spherical steel structure rapid assembly construction method

Abstract

The invention discloses a rapid splicing construction method of a large-space indoor suspension type spherical steel structure, which comprises the following steps of completing processing of a node structure in advance in a prefabrication factory; assembling the node structure into various sheet member units on the ground, assembling each sheet member unit into a spherical steel structure, and finally completing the embedding, repair welding and reinforcement of the scattered rods of the spherical steel structure. The spherical screen structure splicing device has the advantages that the spherical steel structure splicing units are divided, the installation jig frames are erected in sections, splicing is carried out according to sequence, the different split modules are reinforced through the embedded rod pieces, so that the spherical screen structure unit splicing and rapid construction are realized, the spherical screen structure splicing device is suitable for rapid splicing construction of a large-space indoor suspension type spherical steel structure, on one hand, accurate splicing of the spherical steel structure can be realized, the safety and reliability of connection of the drum-shaped nodes and the main body structure are ensured, and on the other hand, technical support is provided for rapid and precise construction of the large-space indoor suspension type spherical steel structure.

Inventors

• HU KUNPENG
• LIU MINCHEN
• LI MENGMENG
• SHAO FENG
• WANG HENG
• HU JINCHAO

Assignees

• 中建三局总承包建设有限公司
• 中建三局集团有限公司

Dates

Publication Date

20260505

Application Date

20230927

Claims (10)

1. 1. A rapid assembly construction method for a large-space indoor suspension type spherical steel structure is characterized by comprising the following steps: S1, finishing processing of a node structure in advance in a prefabrication factory; S2, assembling the node structure into various sheet-shaped member units (2) on the ground according to the design and the dividing drawing of the sheet-shaped members; S3, positioning and erecting a spherical steel structure chassis jig frame according to a typesetting diagram to finish hoisting and fixing of a first slicing unit (201) at the bottom of the spherical steel structure (3); S4, after the first slicing unit (201) is pre-spliced, positioned, rechecked and reinforced, the electric hoist is used for integrally lifting the second slicing unit (202); S5, hoisting and node welding of the first curtain wall steel structure component at the lower half part of the spherical steel structure (3) are carried out, and embedding, repair welding and reinforcement of the sporadic rod pieces are completed; s6, erecting a middle jig frame to the top of the sphere center of the spherical steel structure (3) according to the positioning, and finishing hoisting and fixing of a sixth slicing unit (206) at the top of the spherical steel structure (3); S7, hoisting and splicing the second curtain wall steel structure components at the upper half part of the spherical steel structure (3) to finish embedding, repair welding and reinforcement of the sporadic rod pieces.
2. 2. The rapid splicing construction method of a large-space indoor suspension type spherical steel structure according to claim 1, wherein the node structure (1) comprises a box-shaped rod piece (101), a drum-shaped node (102) and a stiffening plate assembly (103), a plurality of box-shaped rod pieces (101) are connected to the circumference of the drum-shaped node (102), and the drum-shaped node (102) is connected to the main body structure (4) through the stiffening plate assembly (103).
3. 3. The rapid assembly construction method of the large-space indoor suspension type spherical steel structure according to claim 2, wherein the stiffening plate assembly (103) comprises a plurality of stiffening plates (104), and the two stiffening plates (104) are connected through high-strength bolts.
4. 4. The rapid splicing construction method of the large-space indoor suspension type spherical steel structure is characterized in that the sheet-shaped member unit (2) comprises a first sheet-shaped unit (201), a second sheet-shaped unit (202), a third sheet-shaped unit (203), a fourth sheet-shaped unit (204), a fifth sheet-shaped unit (205), a sixth sheet-shaped unit (206), a seventh sheet-shaped unit (207), an eighth sheet-shaped unit (208), a ninth sheet-shaped unit (209) and a tenth sheet-shaped unit (210).
5. 5. The rapid splicing construction method of the large-space indoor suspension type spherical steel structure of claim 4, wherein the first curtain wall steel structure component is a third slicing unit (203), a fourth slicing unit (204) and a fifth slicing unit (205).
6. 6. The rapid splicing construction method of the large-space indoor suspension type spherical steel structure of claim 4, wherein the second curtain wall steel structure component comprises a seventh slicing unit (207), an eighth slicing unit (208), a ninth slicing unit (209) and a tenth slicing unit (210).
7. 7. The rapid splicing construction method of the large-space indoor suspension type spherical steel structure according to claim 4, wherein before the step S7, drum-shaped nodes (102) of the third segment unit (203), the fourth segment unit (204) and the fifth segment unit (205) are all fixed on an edge fixing jig frame through brackets.
8. 8. The rapid splicing construction method of a large-space indoor suspension type spherical steel structure according to claim 1, wherein a plurality of connection nodes connected with a main body structure (4) are arranged on the surface of the spherical steel structure (3).
9. 9. The rapid splicing construction method of the large-space indoor suspension type spherical steel structure according to claim 1, wherein the spherical steel structure (3) is spliced and then the connecting nodes are fixed on the main body structure (4) through the connecting frames.
10. 10. The rapid splicing construction method of a large-space indoor suspension type spherical steel structure according to claim 1, wherein the connecting node at the upper part of the spherical steel structure (3) is connected with the main body structure (4) firstly, then the connecting node at the lower part of the spherical steel structure (3) is connected with the main body structure (4), and finally, each jig frame is removed.

Description

Large-space indoor suspension type spherical steel structure rapid assembly construction method Technical Field The invention relates to the technical field of construction of suspended spherical steel structures, in particular to a rapid assembly construction method of a large-space indoor suspended spherical steel structure. Background At present, more and more science and technology exhibition halls are gradually changed from traditional cinema to novel spherical curtain wall cinema, and spherical steel structures are used as spherical curtain wall frameworks, so that the spherical curtain wall cinema has the comprehensive advantages of light dead weight, good earthquake resistance, high temperature resistance, less environmental pollution and the like, and is widely applied to the field of large public venue buildings. 1. The method for installing the large-span steel structure spherical curved-surface net shell based on BIM (publication number: CN 113434929B) comprises the following steps of building a BIM model, machining parts required for installing the net shell, measuring and positioning and correcting a support, erecting a lifting frame operation platform, assembling the first span of the curved-surface net shell and assembling other spans of the curved-surface net shell. The limitation of traditional construction of large-span steel structure latticed shell buildings is avoided, a reasonable, efficient and accurate installation and construction method is provided for the projects with unique appearance and complex structure, the whole process is assisted by BIM technology, the investment of turnover materials is reduced, the labor cost is saved, the labor intensity is reduced, the installation speed is improved, and the economic benefit is particularly outstanding. 2. A method for installing spherical steel structure of building includes such steps as checking and accepting foundation, locating measuring point, installing steel columns from bottom to top, installing a layer of steel columns, installing external ring, middle ring, cross-beam between external ring and middle ring, and cross-beam between internal ring and middle ring, sequentially completing the next cross-section, connecting cross-beams between two cross-sections to form planar structure, repeating steps (2) - (3), installing a layer of structure until the structure is top, installing net shell, expanding the net shell to all sides, lifting until the design elevation is reached, installing net shell, locating net shell, aligning, welding, and unloading. The spherical net frame in the prior art has the advantages of complex space structure, higher requirement on installation precision, high construction and construction difficulty, and improvement on construction benefits, and becomes a construction difficulty of the spherical curtain wall steel structure. Therefore, aiming at the technical problems, it is necessary to provide a rapid assembly construction method for a large-space indoor suspension type spherical steel structure. Disclosure of Invention Aiming at the defects in the prior art, the invention aims to provide a rapid assembly construction method for a large-space indoor suspension type spherical steel structure so as to solve the problems. A large-space indoor suspension type spherical steel structure rapid assembly construction method comprises the following steps: S1, finishing processing of a node structure in advance in a prefabrication factory; S2, according to the design and the dividing drawing of the slicing members, assembling the node structure into various slice member units on the ground; s3, positioning and erecting a spherical steel structure chassis jig frame according to the typesetting diagram to finish hoisting and fixing of the first slicing units at the bottom of the spherical steel structure; S4, after the pre-splicing of the first slicing unit is completed, positioning, rechecking and reinforcing, the electric hoist is utilized to integrally lift the second slicing unit; s5, hoisting and node welding of the first curtain wall steel structure component at the lower half part of the spherical steel structure are carried out, and embedding, repair welding and reinforcement of the sporadic rod pieces are completed; S6, erecting a middle jig frame to the top of the sphere center of the spherical steel structure according to the positioning, and completing the hoisting and fixing of a sixth slicing unit at the top of the spherical steel structure; S7, hoisting and splicing the second curtain wall steel structure assembly at the upper half part of the spherical steel structure, and embedding, repair welding and reinforcing of the sporadic rod pieces are completed. The node structure comprises a box-shaped rod piece, a drum-shaped node and a stiffening steel plate, wherein the circumference of the box-shaped rod piece is connected with a plurality of box-shaped rod pieces, and the drum-shaped node is conn