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Connecting and manufacturing method of steel frame column and concrete column foot

A technology of steel frame and concrete, applied in the direction of building structure, construction, etc., can solve problems such as inability to meet requirements

Inactive Publication Date: 2021-05-18
SHANXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In actual engineering, the column foot also bears the bending moment, and the shear force is transmitted by the friction between the bottom plate and the foundation surface. Through calculation, it cannot meet the requirements

Method used

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  • Connecting and manufacturing method of steel frame column and concrete column foot
  • Connecting and manufacturing method of steel frame column and concrete column foot
  • Connecting and manufacturing method of steel frame column and concrete column foot

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Embodiment Construction

[0022] Such as Figure 1-Figure 6 As shown, a connection and manufacturing method between a steel frame column and a concrete column foot provided by the present invention includes an anchor bolt 1, a backing plate 2, a bottom plate 3, an abdominal stiffener steel plate 4, a flange stiffener steel plate 5, Longitudinal steel bar 6, shear key 7, steel frame column 8 and non-shrink fine stone concrete 9, steel frame column 8 and bottom plate 3 are connected by fillet welds with the same fillet size, and abdominal stiffener steel plate 4 is set on steel frame column 8 The two sides of the web are connected by the same fillet weld, and two flange stiffener steel plates 5 are arranged on both sides of the flange of the steel frame column 8, which are connected by the same fillet weld, and the backing plate 2 and the bottom plate 3 are used Install the welding seam connection, there is a hole on the backing plate 2, the anchor bolt 1 is pierced in the hole, the anchor bolt 1 adopts ...

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Abstract

The invention discloses a connecting and manufacturing method of a steel frame column and a concrete column foot. The steel frame column and a bottom plate are connected through fillet welds with the same welding foot size, abdomen stiffening rib steel plates are arranged on two sides of a web of the steel frame column, two flange stiffening rib steel plates are correspondingly arranged on two sides of a flange of the steel frame column, and a base plate and the bottom plate are connected through mounting welds. A hole is formed in the base plate, a foundation anchor bolt is arranged in the hole in a penetrating mode and adopts double nuts, an anti-shearing key for bearing column foot shearing force is welded to the lower part of the bottom plate, the anti-shearing key adopts an I-shaped section, a peripheral concrete column with a square section is arranged below the bottom plate, and the section size of the peripheral concrete column is larger than that of the steel frame column. Non-shrinkage fine aggregate concrete is poured between the steel frame column and the peripheral concrete column, a plurality of longitudinal steel bars are evenly distributed on the periphery of the non-shrinkage fine aggregate concrete, and the longitudinal steel bars are fixed through stirrups. The stress condition of the column foot is met, and the column foot is good in stability, ductility and fatigue performance.

Description

technical field [0001] The invention relates to the technical field of combined structures of steel structures and concrete structures, in particular to a connection and manufacturing method of steel frame columns and concrete column feet. Background technique [0002] The foot of the column should be designed so that the internal force of the column body can be reliably transmitted to the foundation, and there should be a reasonable connection with the foundation. At present, in structural engineering, it is considered that the column foot is an axially compressed column, which only bears pressure and shear force, and does not bear bending moment, so the hinged column foot is used. In actual engineering, the column foot also bears the bending moment, and the shear force is transmitted by the friction force between the base plate and the foundation surface. Through calculation, it cannot meet the requirements. Contents of the invention [0003] In order to solve the short...

Claims

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Application Information

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IPC IPC(8): E04B1/24E04B1/58
CPCE04B1/2403E04B2001/2415E04B2001/2418E04B2001/2445E04B2001/2463
Inventor 李雁英吴海英
Owner SHANXI UNIV
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