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A kind of embedded column base joint equipped with section steel short beam and its construction method

A technology of embedded column feet and section steel, which is applied in the direction of columns, pillars, pier columns, etc., can solve the problems of large embedding depth, poor punching resistance and bending resistance, and complicated construction, so as to reduce project cost and The effect of small punching force and convenient construction

Active Publication Date: 2021-03-30
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of the existing buried column base joints such as large embedment depth, poor punching resistance and bending resistance, and complicated construction, the present invention further proposes a buried column base joint equipped with a section steel short beam and its Construction method

Method used

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  • A kind of embedded column base joint equipped with section steel short beam and its construction method
  • A kind of embedded column base joint equipped with section steel short beam and its construction method
  • A kind of embedded column base joint equipped with section steel short beam and its construction method

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specific Embodiment approach 1

[0040] Specific implementation mode one: see Figure 1-3 This embodiment will be described. The embedded column foot node with section steel short beams described in this embodiment includes a column body 1, several section steel short beams 3, column bottom plates 7 and several anchor bolts; several section steel short beams are vertically connected around the column body 1 Beams 3, each of the short steel beams 3 is vertically penetrated with a number of anchor bolts, a column bottom plate 7 is installed under the column body 1, and the periphery of the column bottom plate 7 is vertically penetrated with a number of anchor bolts.

[0041] The section steel short beam 3 is an I-beam, box beam, welded steel beam or H-shaped steel beam, which can directly transmit the axial load of the column, increase the punching shear area of ​​the concrete bottom beam, and significantly improve the punching shear resistance of the column base joints. At the same time, the short steel beam ...

specific Embodiment approach 2

[0055] Specific implementation mode two: see Figure 4-6 This embodiment will be described. In this embodiment, the column body 1 is a circular steel tube concrete column. The column bottom plate 7 is circular, and the diameter of the circle is larger than the diameter of the circular steel pipe concrete column.

[0056] The connecting plate 2 is fixed on the outer periphery of the circular steel tube concrete column as an integral structure, and the four short steel beams 3 are evenly connected to the outer surface of the circular steel tube concrete column through the connecting plate 2. The connecting plate 2 and the short steel beam 3's connection surface is on a plane. The section steel short beam 3 can be connected with the circular steel pipe concrete column through the connecting plate 2. Other structures and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0057] Specific implementation mode three: see Figure 7-9 This embodiment will be described. The column body 1 is a rectangular steel tube concrete column. The column bottom plate 7 is rectangular, and the side length of the rectangle is longer than the side length of the rectangular steel pipe concrete column.

[0058] The connecting plate 2 is fixed on the outer periphery of the rectangular steel tube concrete column as an integral structure, and the shape of the connecting plate 2 located on each side of the rectangular steel tube concrete column is "convex" shape, and the four short steel beams 3 and the connecting plate 2 The surrounding raised connections. Other structures and connections are the same as those in the first embodiment.

[0059] The concrete operation of the construction method of a kind of embedded type column base node that section steel short beam is housed according to the present invention is as follows:

[0060] Step 1: making the cylinder 1;

...

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Abstract

The invention discloses an embedded column base joint with structural steel short beams and a construction method thereof. A plurality of structural steel short beams are vertically connected around acolumn body, each structural steel short steel is vertically penetrated with a plurality of anchor bolts, a column base plate is installed below the column body, and the periphery of the column baseplate is vertically penetrated with the anchor bolts. The construction method comprises the steps that firstly the preparation of the column body is finished, then the column base plate and a column base stiffening rib are welded to the bottom of the column body, the structural steel short beams are connected with the column body through connecting plates, a plurality of beam-end anchor bolts anda beam-end stiffening rib are arranged on the structural steel short beams, a shear connector is welded on the outer surface of the column body, a finished structure is transported to the constructionsite, after the structure is installed in the position, steel bars are laid, and concrete is poured into the structure. The problems that in an existing embedded column base joint, the depth of embedding is large, the punching resistance and bending resistance are poor, and the construction is complex are solved. The punching shear area of a concrete bottom beam is enlarged, the punching shear bearing capacity of the column base joint is improved, meanwhile more bending moments are transmitted by the structural steel short beams and the anchor bolts, and the construction difficulty is lowered.

Description

technical field [0001] The invention relates to an embedded column base node equipped with a section steel short beam and a construction method thereof, belonging to the technical field of building structures. Background technique [0002] As an important stress-bearing part in the structural system, the column foot joints are not only directly related to the overall reliability of the structural system, but also affect the construction quality, project progress and project cost of the structure. The column base joints of shaped steel columns and steel tube concrete columns can generally be divided into exposed, outsourced and embedded column base joints, among which the embedded column base joints have the advantages of seismic performance and good architectural effect, and are suitable for high-rise and super high-rise structures. It has a broad application prospect, but the buried column base joint needs to penetrate the column base into the foundation bottom beam or pile...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C3/30E04G21/00E02D27/42
Inventor 郭兰慧刘用王云鹤黄海家
Owner HARBIN INST OF TECH
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