A through-corbel steel tube concrete column ring beam node

Abstract

The utility model relates to a through-corbel steel tube concrete column ring beam node, comprising a steel tube column, a concrete ring beam, and a concrete structural beam, wherein one end of the concrete structural beam intersects with the concrete ring beam, two inner reinforcing steel rings parallel to each other are welded on the inner side wall of the steel tube column, two groups of through-corbels intersecting each other are welded on the steel tube column, and an annular corbel is welded on the outer side wall of the steel tube column, self-compacting concrete is poured in the steel tube column to form a concrete column core, and the intersection of the outer side wall of the steel tube column and the through-corbel and the annular corbel is poured in the concrete ring beam, and the two ends of the through-corbel are poured in the concrete structural beam. The beneficial effect is: improving the firmness of the connection between the concrete structural beam and the steel tube column, thereby improving the bearing capacity and shear resistance at the beam-column node.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a through-corbel steel tube concrete column ring beam node. Background Art

[0002] The reverse-constructed steel tube concrete column has the characteristics of acting as a temporary vertical support during the excavation stage and becoming a permanent column after the structural construction is completed. Therefore, it is widely used in the cover-excavation reverse-construction deep foundation pit project. The existing reverse-constructed steel tube concrete column directly welds the bracket for connecting with the concrete structural beam on the top outside of the steel tube column. The concrete structural beam and the reverse-constructed steel tube concrete column are mainly connected by the bracket. The concrete structural beam and the reverse-constructed steel tube concrete column are prone to tearing, and the bracket and the concrete structural beam and the reverse-constructed steel tube concrete column are also prone to tearing, resulting in poor bearing capacity and shear resistance at the beam-column node. Utility Model Content

[0003] The utility model aims to overcome the above problems existing in the prior art and provide a through-corbel steel tube concrete column ring beam node.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A through-corbel steel tube concrete column ring beam node comprises a steel tube column, a concrete ring beam and a concrete structural beam, wherein one end of the concrete structural beam intersects with the concrete ring beam, two inner side reinforcing steel rings parallel to each other are welded to the inner side wall of the steel tube column, two groups of through-corbels intersecting each other are welded to the steel tube column, and the two groups of through-corbels are located between the two inner side reinforcing steel rings; annular corbels are welded to the outer side wall of the steel tube column, and the annular corbels are located below the two groups of through-corbels; self-compacting concrete is cast in the steel tube column to form a concrete column core, the intersection of the outer side wall of the steel tube column and the through-corbel and the annular corbel is cast in the concrete ring beam, and both ends of the through-corbel are cast in the concrete structural beam.

[0006] Wherein, a plurality of evenly distributed first exhaust holes are provided on the inner reinforcing steel ring.

[0007] Among them, each group of through-corrugated brackets includes two mutually parallel through-corrugated steel webs, the through-corrugated steel webs are perpendicular to the central axis of the steel pipe column, the top ends of the through-corrugated steel webs are respectively welded with an upper steel wing plate perpendicular to the through-corrugated steel webs, and the bottom ends of the through-corrugated steel webs are respectively welded with a lower steel wing plate perpendicular to the through-corrugated steel webs, and the upper steel wing plate is parallel to the lower steel wing plate in upper and lower directions.

[0008] Wherein, an inwardly concave U-shaped groove is provided at the two ends of each through-steel web.

[0009] Among them, an outer upper reinforcing steel ring intersecting with the upper steel wing plate is welded on the outer side wall of the steel pipe column, and an outer lower reinforcing steel ring intersecting with the lower steel wing plate is welded on the outer side wall of the steel pipe column.

[0010] Wherein, the intersections of the through-steel webs of the two groups of through-steel corbels are welded.

[0011] The circular corbel comprises two circular steel support rings which are parallel to each other in an upper and lower direction, and a plurality of ribs arranged in a circular array are welded between the steel pipe column and the two steel support rings.

[0012] The beneficial effects of the utility model are as follows: by welding a through-corrugated corrugation on a steel pipe column, the connection firmness between the through-corrugated corrugation and the steel pipe column is improved, and an annular corrugation is welded on the steel pipe column, and then the intersection of the outer wall of the steel pipe column and the through-corrugated corrugation and the annular corrugation is cast in a concrete ring beam, and the two ends of the through-corrugated corrugation are cast in a concrete structural beam, thereby improving the firmness of the connection between the concrete structural beam and the steel pipe column, thereby improving the bearing capacity and shear resistance at the beam-column node. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0014] Figure 1 This is a structural schematic diagram of the through-corbel steel tube concrete column ring beam node in the first embodiment of the utility model;

[0015] Figure 2 It is a schematic structural diagram of the steel pipe column, the through-core bracket, the circular bracket, the inner reinforcing steel ring, the outer upper reinforcing steel ring, and the outer lower reinforcing steel ring after welding in the first embodiment of the utility model;

[0016] Figure 3 It is a cross-sectional view of the steel pipe column, the through-cored bracket, the annular bracket, the inner reinforcing steel ring, the outer upper reinforcing steel ring, and the outer lower reinforcing steel ring after welding in the first embodiment of the utility model;

[0017] Figure 4 It is a schematic structural diagram of the steel pipe column, the through-core bracket, the annular bracket, the inner reinforcing steel ring, the outer upper reinforcing steel ring, and the outer lower reinforcing steel ring after welding in the second embodiment of the utility model;

[0018] Explanation of the numbers in the figure: steel pipe column 1, concrete ring beam 2, concrete structural beam 3, inner reinforcing steel ring 4, first vent hole 41, through-core corbel 5, through-core steel web 51, upper steel wing plate 52, lower steel wing plate 53, U-shaped groove 54, circular corbel 6, steel support ring 61, rib plate 62, second vent hole 63, concrete column core 7, outer upper reinforcing steel ring 8, outer lower reinforcing steel ring 9. DETAILED DESCRIPTION

[0019] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0020] like Figures 1 to 3 The first embodiment shown is a through-corbel steel tube concrete column ring beam node, comprising a steel tube column 1, a concrete ring beam 2, and a concrete structural beam 3, wherein one end of the concrete structural beam 3 intersects with the concrete ring beam 2.

[0021] Two inner reinforcing steel rings 4 are welded to the inner wall of the steel pipe column 1 and are parallel to each other. The inner reinforcing steel ring 4 is provided with a plurality of evenly distributed first exhaust holes 41, which are conducive to exhausting the air below the inner reinforcing steel ring 4 during pouring and avoiding the pouring cavity below the inner reinforcing steel ring 4. Two groups of mutually intersecting through-corrugated legs 5 are welded to the steel pipe column 1, and the two groups of through-corrugated legs 5 are located between the two inner reinforcing steel rings 4.

[0022] Each set of through-corrugated corbels 5 includes two through-corrugated steel webs 51 which are parallel to each other. The through-corrugated steel webs 51 are perpendicular to the central axis of the steel pipe column 1. An upper steel wing plate 52 which is perpendicular to the through-corrugated steel webs 51 is welded to the top ends of both ends of the through-corrugated steel webs 51. A lower steel wing plate 53 which is perpendicular to the through-corrugated steel webs 51 is welded to the bottom ends of both ends of the through-corrugated steel webs 51. The upper steel wing plate 52 is parallel to the lower steel wing plate 53 in vertical direction.

[0023] An outer upper reinforcing steel ring 8 intersecting with the upper steel wing plate 52 is welded on the outer side wall of the steel pipe column 1, and an outer lower reinforcing steel ring 9 intersecting with the lower steel wing plate 53 is welded on the outer side wall of the steel pipe column 1 to improve the firmness and shear resistance of the welding between the steel pipe column 1 and the through-corrugated corbel 5.

[0024] The intersections of the through steel webs 51 of the two groups of through-corrugated corrugations 5 are welded to improve the firmness of the connection between the two groups of through-corrugated corrugations 5 .

[0025] A circular corbel 6 is welded on the outer wall of the steel pipe column 1, and the circular corbel 6 is located below the two groups of through-corbels 5; the circular corbel 6 includes two circular steel support rings 61 which are parallel to each other, and a plurality of ribs 62 arranged in a circular array are welded between the steel pipe column 1 and the two steel support rings 61. The circular corbel 6 is utilized to improve the firmness and shear resistance of the connection between the steel pipe column and the concrete ring beam.

[0026] The steel support ring 61 is provided with a plurality of evenly distributed second exhaust holes 63 , which are conducive to exhausting the air below the steel support ring 61 during pouring, thereby avoiding the formation of a pouring cavity below the steel support ring 61 .

[0027] Self-compacting concrete is poured into the steel pipe column 1 to form a concrete column core 7. The intersection of the outer wall of the steel pipe column 1 and the through-corrugated corbel 5 and the circular corbel 6 is poured into the concrete ring beam 2. Both ends of the through-corrugated corbel 5 are poured into the concrete structural beam 3.

[0028] like Figure 4 In the second embodiment shown, each through-steel web 51 has two ends with an inwardly concave U-shaped groove 54 to reduce the weight of the through-steel web 51 .

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A through-corbel steel tube concrete column ring beam node, characterized in that: It includes a steel pipe column, a concrete ring beam, and a concrete structural beam. One end of the concrete structural beam intersects with the concrete ring beam. Two upper and lower parallel inner reinforcing steel rings are welded on the inner wall of the steel pipe column. Two groups of mutually intersecting through-core corbels are welded on the steel pipe column, and the two groups of through-core corbels are located between the two inner reinforcing steel rings; annular corbels are welded on the outer wall of the steel pipe column, and the annular corbels are located below the two groups of through-core corbels; self-compacting concrete is cast in the steel pipe column to form a concrete column core, the intersection of the outer wall of the steel pipe column and the through-core corbel and the annular corbel is cast in the concrete ring beam, and both ends of the through-core corbel are cast in the concrete structural beam.

2. The through-corbel steel tube concrete column ring beam node according to claim 1 is characterized in that: The inner reinforcing steel ring is provided with a plurality of evenly distributed first exhaust holes.

3. The through-corbel steel tube concrete column ring beam node according to claim 1, characterized in that: Each group of through-corrugated brackets includes two mutually parallel through-corrugated steel webs, which are perpendicular to the central axis of the steel pipe column. The top ends of the through-corrugated steel webs are respectively welded with an upper steel wing plate perpendicular to the through-corrugated steel webs, and the bottom ends of the through-corrugated steel webs are respectively welded with a lower steel wing plate perpendicular to the through-corrugated steel webs. The upper steel wing plate is parallel to the lower steel wing plate in the upper and lower directions.

4. The through-corbel steel tube concrete column ring beam node according to claim 3 is characterized in that: An inwardly concave U-shaped groove is formed at the two ends of each through-steel web.

5. The through-corbel steel tube concrete column ring beam node according to claim 3 is characterized in that: An outer upper reinforcing steel ring intersecting with the upper steel wing plate is welded on the outer side wall of the steel pipe column, and an outer lower reinforcing steel ring intersecting with the lower steel wing plate is welded on the outer side wall of the steel pipe column.

6. The through-corbel steel tube concrete column ring beam node according to claim 3 is characterized in that: The intersections of the through steel webs of the two groups of through-corrugated corbels are welded.

7. The through-corbel steel tube concrete column ring beam node according to claim 1, characterized in that: The annular corbel comprises two annular steel support rings which are parallel to each other in an upper and lower direction, and a plurality of ribs arranged in an annular array are welded between the steel pipe column and the two steel support rings.

Images