Octagonal-box-shaped pylon foot and manufacturing method thereof

Abstract

The invention discloses an octagonal-box-shaped pylon foot which comprises a frame unit and a pylon bottom plate unit. The frame unit comprises a frame, a middle web and a transverse separating plate, wherein the frame is defined by a group of wallboards, the middle web is axially arranged in the frame, and the transverse separating plate is radially arranged in the frame. The pylon bottom plate unit is arranged at one end of the frame unit. The octagonal-box-shaped pylon foot is reasonable in design, firm in structure and good in bearing capacity, and guarantees the quality of a whole project. According to the method, the quality of each member and each unit is ensured, welding stress concentration is effectively controlled, accumulative errors generated by large members are prevented, and thus the machining quality of the whole pylon foot is guaranteed.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an octagonal box-shaped tower column foot. Background technique [0002] Steel structure engineering is a structure mainly made of steel. It is mainly composed of steel beams, steel columns, steel trusses and other components made of steel and steel plates. The components or parts are usually connected by welds, bolts or rivets. One of the main types of building structures. Because of its light weight and easy construction, it is widely used in large factories, bridges, stadiums, super high-rises and other fields. [0003] In large-scale buildings with high requirements for strength and stability, the quality requirements for welded column foot structures are getting higher and higher, and the overall structure and column foot structures of large-scale projects are complex, with large welding residual stress and large deformation, especially thick Plate processing, t...

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Problems solved by technology

[0003] In large-scale buildings with high requirements for strength and stability, the quality requirements for welded column foot structures are getting higher and higher, and the overall structure and column foot structures of large-scale projects are complex, with large welding residual stress and large deformation, especially thick Plate processing, the steel used in the project is all medium-thick plate, the amount of deposited metal of the filler welding material is large during welding, the welding time is long, and the total heat input is high, so the stress and deformation of the structure after welding are large; the weld seam is restrained during component welding High, welding residual stress is large; in addition, the engineering structure is complex, the welding stress direction is inconsistent, vertical, horizontal, upper and lower three-dimensional intersection, mutual influence can easily cause comprehensive deformation of components

If the column foot structure is unreasonable, the welding stress directly affects the quality and strength of the component

[0004] In addition, for production, due to the large degree of restraint during welding of plate thickness, complex joints, large welding residual stress, large amount of deposited metal on one side of the weld, long welding operation time and complicated process

Therefore, in the process of welding and welding, hot cracks and cold cracks are likely to occur if there is a slight carelessness; in addition, the tendency of lamellar tearing will increase

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