Mega column in shape of double Chinese characters ya and manufacturing method thereof

Abstract

The invention discloses a mega column in the shape of double Chinese characters ya, which comprises H-shaped members, a partition plate, connecting plates and column baseplates, wherein the partition plate is positioned between the H-shaped members; the connecting plates are positioned at the top ends of the H-shaped members; and the column baseplate is positioned on one side of each H-shaped member. The invention further discloses a manufacturing method of the mega column in the shape of the double Chinese characters ya. The mega column in the shape of the double Chinese characters ya is ingenious in structural design and very strong in bearing capacity; in the method, the manufactured mega column in the shape of the double Chinese characters ya can be firm in structure by adjusting the welding sequence and the welding way, the factory production of the mega columns in the shape of the double Chinese characters ya is further realized, and the production efficiency is improved.

Description

technical field [0001] The invention relates to a large-scale steel column, in particular to a double sub-shaped giant column and a manufacturing method thereof. Background technique [0002] The basement structure project of Shanghai Tower is divided into the basement of the main building and the basement of the podium. Among them, the basement project of the main building is composed of 8 giant columns and 4 corner columns to form a well-shaped frame, and the middle is a shear wall with a length and width of 30 meters composed of steel columns and steel wall panels. There is a wall panel between the giant columns and the shear wall. Composed of columns and double-layer steel wall panels, the steel components are connected to form a stable whole. [0003] The design of this project is novel, the shape is peculiar, the structure is complex, especially the processing of each important node is quite difficult; after comprehensive research and analysis of the structural form o...

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Problems solved by technology

[0005] (2) The structure is complex, the welding residual stress is large, and the deformation is also large. The steel materials used in this project are all thick plates and ultra-thick plates. During welding, the amount of deposited metal is large, the welding time is long, and the total heat input is high. Therefore The stress and deformation of the structure after welding are large; the weld seam is highly restrained and the welding residual stress is large when the components are welded; in addition, the structure of this project is complex, and each single structure is a "composite" component, and the welding stress di

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