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Rotary lifting construction method for large-scale tree-shaped structure

A tree-like structure and construction method technology, which is applied in the field of rotary lifting construction of large tree-like structures, can solve problems such as inability to apply, time-consuming and labor-intensive, etc., and achieve the effects of saving construction procedures, balancing force, and ensuring safety.

Inactive Publication Date: 2016-09-21
CHINA CONSTR EIGHT ENG DIV CORP LTD
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Problems solved by technology

However, for large tree structures, these two methods have limitations
When the projection area of ​​the tree-like structure is large and the position of the branches is high, the high-altitude bulk method is used, and it is time-consuming and labor-intensive to set up a full house of scaffolding
When the site around the construction is complicated, the unit hoisting method cannot be applied because it is difficult for large hoisting machinery to enter the site

Method used

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  • Rotary lifting construction method for large-scale tree-shaped structure
  • Rotary lifting construction method for large-scale tree-shaped structure
  • Rotary lifting construction method for large-scale tree-shaped structure

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Embodiment Construction

[0055] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0056] The branch structure has a three-dimensional spatial shape and mechanical characteristics, and the nodes are generally formed by the intersection of multiple steel pipes at different spatial angles. The installation of each component of the tree structure needs to strictly control its geometric position and spatial angle. Any component installation error may affect the smooth installation of the entire structure. Although the tree-like structure is large in size, the overall hoisting method, jacking method, and sliding method commonly used in the installation of large-scale steel structures cannot meet the requirements of tree-like structure construction. The high-altitude bulk method and unit hoisting method have achieved good technical and economic results in many small and medium-sized tree structure projects in the past. H...

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Abstract

The invention discloses a rotary lifting construction method for a large-scale tree-shaped structure comprising following steps: a trunk portion of the large-scale tree-shaped structure is installed on a basic surface; a lifting tower is set on the trunk portion, and a lifting device is installed on the lifting tower; branch portions of the large-scale tree-shaped structure are lifted to a to-be lifted position, the branch portions and the trunk portion are hinged together, and a lifting cable device is pulled and installed between the branch portions and the lifting device; the lifting device is started, the branch portions are lifted upwards by the lifting cable device to make the branch portions rotate about the hinged position and be lifted to the trunk portion; after the branch portions are rotated and lifted in place, the branch portions and the trunk portion are fixed. According to the method, a rotary lifting method is adopted, the branch portions are rotationally lifted by the lifting tower and the lifting device installed at the trunk portion of the large-scale tree-shaped structure; there is no need to additionally set scaffolds or use large size lifting machinery to install the branch portions so that construction procedure and cost are saved.

Description

technical field [0001] The invention relates to the construction field of a tree-like building structure, in particular to a construction method for rotating and lifting a large-scale tree-like structure. Background technique [0002] The tree-like structure is a kind of space bionic structure. It is a structural form proposed by German architect Frei Otto in the 1960s based on the concept of structural morphology. It is named for its geometric shape similar to trees in nature. In the field of space structure, it is classified as modern rigid space structure. [0003] The tree structure diagram is as follows figure 1 As shown, there are three characteristics: one is the space force system formed by the trunk 31 and the continuously graded branches 32; the other is that the force flow generated by the top load gathers along the branches step by step, and finally transmits to the foundation, which has a direct force transmission path. Advantages; The third is that compared w...

Claims

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Application Information

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IPC IPC(8): E04H12/34
CPCE04H12/34E04H12/342
Inventor 陈海洲马荣全张晓勇李赟任立港沈海松
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD
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