Steel pipe concrete column variable section broken-line-shaped steel bracket and connecting construction method thereof

A technology of concrete-filled steel tubular columns and broken lines, which is applied in the direction of construction and building structure, can solve the problems of difficulty in controlling the concrete pouring density of steel anchoring quality, affecting the structural safety, and the collapse of the structural system, so as to ensure the pouring quality and guarantee The effect of improving construction quality and anchoring quality

Inactive Publication Date: 2017-02-22
广西建工第五建筑工程集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Reinforced Concrete Beam (RC Beam) - Steel Tube Concrete Column Composite Structure Beam-column joints are also called the joint core area, because the stress in this area is complex and concentrated, its destruction can lead to the collapse of the entire structural system, so the design of beam-column joints is also The focus of this composite structure; since the connection between reinforced concrete beams and steel pipe concrete columns involves the co

Method used

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  • Steel pipe concrete column variable section broken-line-shaped steel bracket and connecting construction method thereof
  • Steel pipe concrete column variable section broken-line-shaped steel bracket and connecting construction method thereof
  • Steel pipe concrete column variable section broken-line-shaped steel bracket and connecting construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] A steel corbel with a variable cross-section broken line steel pipe concrete column, comprising an upper flange plate 2 and a lower flange plate 4, and a web 3 vertically connected between the upper flange plate and the lower flange plate, the web is located on the upper On the center line of the flange plate and the length direction of the lower flange plate;

[0059] The upper flange plate and the lower flange plate have the same structure, including two sections of the flange plate and one transition section, and the two sections of the flange plate are connected by an inclined transition section, thereby forming a broken line two-layer structure: the first The first floor is connected to the second section (the second floor) through the transition section; the elevation of the flange plate of the second floor is lower than that of the first floor, and the width is smaller than that of the first floor. The height difference between the flange plates of the two floors ...

Embodiment 2

[0064] A steel corbel with a variable cross-section broken line steel pipe concrete column, comprising an upper flange plate 2 and a lower flange plate 4, and a web 3 vertically connected between the upper flange plate and the lower flange plate, the web is located on the upper On the center line of the flange plate and the length direction of the lower flange plate;

[0065] The upper flange plate and the lower flange plate have the same structure, including 3 sections of flange panels and 2 sections of transition sections, and the adjacent two sections of flange panels are connected by an inclined transition section, thus forming a three-layer structure in the shape of a broken line : The first section, that is, the first layer, is connected to the second section, that is, the second layer, through the transition section, and the second section, that is, the second layer, is connected to the third section, that is, the third layer, through the transition section;

[0066] Th...

Embodiment 3

[0069] A construction method for connecting a steel corbel with a variable cross-section broken line of a concrete-filled steel pipe column, the method is a construction method for connecting a steel-filled steel pipe concrete column with a broken-line steel corbel of a variable cross-section broken line described in Embodiment 1, Include the following steps:

[0070] S1: Deepening design of steel corbels with variable cross-section and broken line

[0071] According to the beam longitudinal reinforcement drawings, use AutoCAD, explorer TSSD, TeklaStructures and Revit software to combine 2D and 3D software to loft and model the design drawings according to 1:1; optimize the arrangement of steel bars, and set the corresponding variable cross-section broken line steel Corbel, Steel Corbel Dimensions:

[0072] S11: Determine the number of bendings of the upper and lower flange plates and the slope of the transition section according to the number of reinforcement rows N

[0073...

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Abstract

A steel pipe concrete column variable section broken-line-shaped steel bracket comprises an upper flange plate, a lower flange plate and a web perpendicularly connected between the upper flange plate and the lower flange plate. The upper flange plate and the lower flange plate are the same in structure and each comprises N flange plate bodies and N-1 transition sections. Every two adjacent flange plate bodies are connected through one corresponding transition section, and thus a broken-line-shaped multilayer structure is formed. The elevation of the flange plate bodies is sequentially decreased section layer by section layer, the width is decreased layer by layer, the height difference between every two adjacent flange plate bodies is 2d, and d is the steel bar diameter. A construction method of the variable section broken-line-shaped steel bracket comprises the following steps of S1, variable section broken-line-shaped steel bracket deep design, S2, steel bracket segmented manufacturing in a processing factory, S3, steel pipe column and steel bracket field installation welding, S4, simulation test, steel bar welding and binding, and S5, concrete pouring and maintenance. According to the construction method for connecting a steel pipe concrete column with a concrete beam by using the variable section broken-line-shaped steel bracket, operation is easy and convenient, the construction process quality is controllable, and the structure safety can be improved.

Description

technical field [0001] The invention relates to a building structure and a construction method, in particular to a steel corbel with a variable cross-section broken line of a steel pipe concrete column and a construction method thereof. Background technique [0002] Reinforced Concrete Beam (RC Beam) - Steel Tube Concrete Column Composite Structure Beam-column joints are also called the joint core area, because the stress in this area is complex and concentrated, its destruction can lead to the collapse of the entire structural system, so the design of beam-column joints is also The focus of this composite structure; since the connection between reinforced concrete beams and steel pipe concrete columns involves the connection between two different structures, there have always been great technical difficulties in the joint structure processing: beam reinforcement, column reinforcement, corbels, stiffening plates, etc. The staggered collection, the narrow construction space f...

Claims

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Application Information

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IPC IPC(8): E04B1/58
CPCE04B1/58
Inventor 黄后玉冯锦华梁雄彭媛楚洲
Owner 广西建工第五建筑工程集团有限公司
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