CN106639155B - Inverted trapezoidal variable cross-section concrete-filled steel tubular column - Google Patents
Inverted trapezoidal variable cross-section concrete-filled steel tubular column Download PDFInfo
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- CN106639155B CN106639155B CN201710038418.5A CN201710038418A CN106639155B CN 106639155 B CN106639155 B CN 106639155B CN 201710038418 A CN201710038418 A CN 201710038418A CN 106639155 B CN106639155 B CN 106639155B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
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- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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Abstract
The invention discloses an inverted trapezoid variable cross-section concrete filled steel tubular column, which comprises a steel tube and concrete, wherein the steel tube is composed of a plurality of inverted right trapezoid hollow shells positioned on different floors, each hollow shell is sequentially arranged along an oblique direction and is a flat body, one side surface of each hollow shell is a vertical surface, the other side surface of each hollow shell is an inclined surface, one end of the top surface of each hollow shell positioned on the inclined surface is an outer end surface, the bottom end of each hollow shell is provided with a hole, the hole at the bottom end of the hollow shell positioned on the previous floor is fixed on the outer end surface of the top surface of the hollow shell positioned on the next floor so as to enable the interiors of the adjacent hollow shells to be communicated, the outer side surfaces of the hollow shells form an inclined surface integrally, and the inclination angle of the inclined surface is the inclination angle of the outer vertical surface of a building. The invention is suitable for building bodies with inclined outer vertical surfaces, can better meet the appearance effect of buildings, keeps the cantilever spans of all layers consistent, and simultaneously keeps the vertical effect of the inner space; the invention bears the vertical load according to the inclined column stress mode, and the structure stress is reasonable.
Description
Technical Field
The invention relates to a concrete-filled steel tube column, in particular to an inverted trapezoidal variable cross-section concrete-filled steel tube column which is suitable for building bodies with inclined building facades.
Background
The concrete filled steel tubular column is a novel combined structure formed by filling concrete into a steel tube. The concrete is poured into the steel pipe and tamped to increase the strength and rigidity of the steel pipe. In general, concrete filled steel tube concrete having a concrete strength grade of C50 or less is called ordinary concrete filled steel tube; the steel tube concrete with the concrete strength grade of more than C50 is called steel tube high-strength concrete; the steel tube concrete with the concrete strength grade of above C100 is called steel tube ultrahigh-strength concrete. The steel pipe concrete can effectively play the respective advantages of steel and concrete, and simultaneously overcomes the defect that the steel pipe is easy to partially buckle.
In recent years, with the deep research on concrete-filled steel tube theory and the generation of new construction process, the engineering application of the concrete-filled steel tube is increasingly wide. The concrete-filled steel tubular column can be divided into a rectangular concrete-filled steel tubular column, a circular concrete-filled steel tubular column, a polygonal concrete-filled steel tubular column and the like according to different cross-sectional forms, wherein the rectangular concrete-filled steel tubular column and the circular concrete-filled steel tubular column are widely applied.
However, since the concrete-filled steel tubular columns in different forms are all equal-section columns, for building bodies with inclined building facades, the equal-section columns are generally arranged in the following two ways:
1. the steel pipe concrete columns are obliquely arranged along the facade of the building. By adopting the mode, the concrete-filled steel tube column has an inclined effect on an indoor layer, and the building sense is not good, so that the requirement on the indoor effect of the building can not be met.
2. The concrete-filled steel tubular columns are vertically arranged. This mode can satisfy the indoor effect of building, however because the outer facade slope of building, along with the increase of building floor number, each layer structure span of encorbelmenting becomes gradually, leads to the structure end atress of encorbelmenting unreasonable.
Disclosure of Invention
The invention aims to provide the inverted trapezoidal variable cross-section steel pipe concrete column which is simple in structure, low in construction cost, short in construction period, suitable for building bodies with inclined building facades, capable of meeting the building appearance effect, keeping the cantilever span of each floor consistent, ensuring the vertical effect of an inner space, reasonable in structural stress and capable of ensuring the effective connection of floor beams and columns.
The purpose of the invention is realized by the following technical scheme: the utility model provides an inverted trapezoidal variable cross-section steel core concrete column, includes steel pipe and concrete, its characterized in that: the steel pipe comprises the several cavity casings that are located the inverted right trapezoid of different floors, and each cavity casing sets gradually along the slant, the cavity casing is the flat body, and a side of cavity casing is vertical face, as the medial surface of cavity casing, and the another side of cavity casing is the inclined plane, as the lateral surface of cavity casing, the top surface of cavity casing is located the one end on inclined plane is outer terminal surface, the bottom trompil of cavity casing, the bottom trompil that is located the cavity casing on last floor are fixed on the outer terminal surface that is located the cavity casing top surface on next floor and make adjacent cavity casing inside intercommunication, and the lateral surface of each cavity casing forms an inclined plane wholly, and the inclination on this inclined plane is the inclination of the outer facade of building promptly.
The inner side surface of the building body is a vertical surface, the outer side surface of the building body is an inclined surface, the outer side surface integrally forms an inclined surface, and the inclination angle of the inclined surface is the inclination angle of the outer vertical surface of the building, so that the building body is suitable for the building body with the inclined outer vertical surface, the appearance effect of the building can be better met, the overhanging spans of all layers are kept consistent, and meanwhile, the vertical effect of the inner space can be kept; in addition, the invention bears the vertical load according to the stress mode of the batter post, and the structure is stressed reasonably. The invention is an inverted trapezoid structure, the height of the column top section at each floor has higher rigidity and bearing capacity, the oblong section of the column top can reduce the overhanging span, can provide enough support rigidity for a large-span floor beam and an overhanging beam along the vertical direction (strong axis direction), and can provide enough support width for the floor beam along the horizontal direction (weak axis direction), thereby ensuring the effective connection of the floor beam and the column.
As an embodiment of the present invention, the cross section of the hollow shell is a flat rectangle, and both the inner side and the outer side of the hollow shell are flat.
As another embodiment of the present invention, the cross section of the hollow shell is a flat ellipse, and both the inner side surface and the outer side surface of the hollow shell are arc-shaped surfaces.
In one embodiment of the present invention, the bottom opening of the hollow shell is a circular hole or a flat elliptical hole.
As a preferred embodiment of the present invention, the hollow shell mainly comprises a pair of inverted right trapezoid webs arranged oppositely and in parallel, a sealing steel plate as a top surface of the hollow shell, a vertically arranged arc steel plate, and an obliquely arranged steel pipe column, wherein an outer convex surface of the arc steel plate is an inner side surface of the hollow shell, two side edges of the arc steel plate are respectively and correspondingly connected with one side edge of the pair of webs, the other side edges of the pair of webs are respectively connected with an outer wall of the steel pipe column, so that one part of the steel pipe column along an axial direction is located outside the pair of webs as an outer side surface of the hollow shell, and the other part of the steel pipe column is located between the pair of webs, thereby forming an upper end opening and a bottom end opening, the sealing steel plate is in a flat ellipse shape, the sealing steel plate is arranged on the upper end opening, a notch is arranged on an outer end surface of the sealing steel plate, the notch and an edge of the part of the steel pipe column outside the pair of webs are aligned to form a through hole, and the bottom end opening of the hollow shell located on an upper floor is in butt joint with the through hole of the hollow shell located on a lower floor.
In one embodiment of the present invention, the steel pipe column is a complete steel pipe, and each hollow shell shares one steel pipe column.
As another embodiment of the present invention, the steel pipe column mainly comprises an arc-shaped steel plate and a stiffening plate, the arc-shaped steel plate and the stiffening plate are both obliquely arranged and have the same inclination angle, two side edges of the arc-shaped steel plate are respectively connected with one side edge of the pair of webs, two side edges of the stiffening plate are respectively connected to inner walls of the pair of webs, the stiffening plate is perpendicular to the pair of webs, the arc-shaped steel plate, the stiffening plate and the webs form a closed steel pipe column, and each hollow shell shares one steel pipe column.
As an embodiment of the invention, concrete is cast in the hollow shell.
As another embodiment of the present invention, concrete is cast in the steel pipe column.
As an improvement of the invention, a column base rib plate with a hole at the middle part is arranged in the bottom of the hollow shell, the column base rib plate is horizontally arranged, the plate edge of the column base rib plate is connected to the circumference of the inner wall of the hollow shell, and the column base rib plate is cut by the stiffening plate; the arc-shaped steel plate vertically arranged on the hollow shell on the upper floor downwards extends into the top of the hollow shell through a gap of the sealing steel plate of the hollow shell on the lower floor, a post middle rib plate with a hole in the middle is arranged in the top of the hollow shell, the post middle rib plate is horizontally arranged, the plate edge of the post middle rib plate is connected to the circumference of the inner wall of the hollow shell, the bottom end of the arc-shaped steel plate vertically arranged on the hollow shell on the upper floor is fixed on the post middle rib plate, and the post middle rib plate is cut by the stiffening plate; the steel pipe column is characterized in that a space surrounded by an arc-shaped steel plate of the steel pipe column positioned at the top end of the hollow shell of the next floor and a vertically arranged arc-shaped steel plate of the hollow shell of the previous floor is a column top space, a column top ribbed plate with a hole in the middle is arranged in the column top space, the column top ribbed plate is horizontally arranged, the plate edge of the column top ribbed plate is connected to the circumference of the inner wall of the column top space, and the column top ribbed plate is cut by the stiffening plate.
As a further improvement of the invention, a plurality of pairs of vertical stiffening ribs are arranged between the sealing steel plate and the column middle rib plate and in the column top space, and each pair of stiffening ribs is correspondingly arranged at two sides of the column middle rib plate.
As an embodiment of the present invention, the opening in the middle of the column base rib, the column middle rib, and the column top rib is a flat elliptical hole.
Compared with the prior art, the invention has the following remarkable effects:
the building profile is suitable for building profiles with inclined outer vertical surfaces, can well meet the building appearance effect, enables cantilever spans of floors to be consistent, and enables internal spaces of the building profiles to keep vertical effects.
According to the invention, each layer of column foot is eccentrically arranged relative to the lower layer of column top, the through-long round steel pipe concrete inclined column is arranged along the inclined plane, the vertical load is borne according to the stress mode of the inclined column, and the structure stress is reasonable.
The invention is of an inverted trapezoidal structure, the height of the top section of the column at each floor has higher rigidity and bearing capacity, the oblong section of the top of the column can reduce the cantilever span, can provide enough support rigidity for the large-span floor beam and the cantilever beam along the vertical direction (strong axis direction), and can provide enough support width for the floor beam along the horizontal direction (weak axis direction), thereby ensuring the effective connection of the floor beam and the column.
The invention has simple structure, low construction cost and short construction period, and is suitable for popularization and application to building bodies with inclined building outer facades.
Drawings
The invention is described in further detail below with reference to the figures and the specific embodiments.
FIG. 1 is a schematic perspective view of example 1 of the present invention;
FIG. 2 is a schematic diagram of the force applied in the present invention;
FIG. 3 is a second schematic diagram of the present invention;
FIG. 4 is an elevation view of embodiment 1 of the present invention;
FIG. 5 is an elevated perspective view of embodiment 1 of the present invention;
FIG. 6 is a schematic bottom view of example 1 of the present invention;
FIG. 7 is a schematic top view of embodiment 1 of the present invention;
FIG. 8 isbase:Sub>A cross-sectional view of the present invention taken along line A-A of FIG. 5;
FIG. 9 is a cross-sectional view of the present invention taken along line B-B of FIG. 5;
FIG. 10 is a schematic view of the bottom of a column in example 2 of the present invention;
FIG. 11 is a schematic view of the top of the column in example 2 of the present invention.
Detailed Description
Example 1
The invention is suitable for Guangzhou art gallery projects, the outer vertical surface of the building of the Guangzhou art gallery is in an inclined shape, the overhanging spans of all layers need to be kept consistent, and meanwhile, the vertical effect of the frame column needs to be ensured.
As shown in fig. 1 to 9, the present invention relates to an inverted trapezoidal section-variable concrete filled steel tubular column 1, which comprises a steel tube and concrete 11, wherein the steel tube is composed of a plurality of inverted right-angled trapezoidal hollow shells 12 located at different floors, and the concrete is poured into each hollow shell 12. In the present embodiment, the concrete-filled steel tubular columns on two adjacent floors are shown, so that the concrete-filled steel tubular columns on three or more floors can be analogized. Each hollow casing 12 sets gradually along the slant, hollow casing 12 is the flat body, in this embodiment, the cross section of hollow casing 12 is flat ellipse, one side of hollow casing 12 is vertical face, vertical face is the arcwall face, as the medial surface 13 of hollow casing 12, another side of hollow casing 12 is the inclined plane, the inclined plane is the arcwall face, lateral surface 14 as the hollow casing, the one end that the top surface of hollow casing 12 is located the arcwall face of slope is outer terminal surface, the bottom trompil 15 of hollow casing 12 is circular port or flat ellipse shape hole. The bottom opening 15 of the hollow shell 12 on the upper floor is fixed on the outer end face of the top face of the hollow shell 12 on the next floor to communicate the interiors of the adjacent hollow shells 12, the outer side face of each hollow shell 12 is integrally formed with an inclined plane 16, and the inclination angle of the inclined plane 16 is the inclination angle of the outer vertical face of the building. Therefore, the frame column can be ensured to be in an inclined state along the outer vertical surface of the building, and the column can keep a vertical effect among floors.
The hollow shell 12 mainly comprises a pair of inverted right-angle trapezoidal webs 17 arranged oppositely and in parallel, a sealing steel plate 18 used as the top surface of the hollow shell 12, a semi-circular arc-shaped steel plate 19 arranged vertically and a circular steel pipe column 20 arranged obliquely, wherein the outer convex surface of the arc-shaped steel plate 19 is the inner side surface 13 of the hollow shell 12, two side edges of the arc-shaped steel plate 19 are respectively and correspondingly connected with one side edge of the pair of webs 17, the other side edge of the pair of webs 17 is respectively connected with the outer wall of the steel pipe column 20, so that one part of the steel pipe column 20 along the axial direction is positioned outside the pair of webs 17 and serves as the outer side surface 14 of the hollow shell 12, and the other part is positioned between the pair of webs 17, thereby forming an upper end opening and a bottom end opening 15, the sealing steel plate 18 is flat and elliptical, the sealing steel plate 18 is arranged on the upper end opening, a notch is arranged on the outer end surface of the sealing steel plate 18, the notch and the edge of the part of the steel pipe column 20, which is positioned outside the pair of webs 17, are paired to form a through hole, and the bottom end opening 15 of the hollow shell 12 positioned on the upper floor is butted with the through hole of the hollow shell 12 positioned on the next floor.
The inclination angle alpha of the steel pipe column 20 is determined by the facade effect of the building, and the diameter of the steel pipe column 20 is determined by the building storey height and the axial force and bending moment born by the building. The specific dimensions of the web 17 are determined by the length of the lower base, the layer height and the angle of inclination α; the side inclination angle of the web 17 is the same as the inclination angle of the steel pipe column 20 (both are α), and the other side of the web 17 is kept in a vertical state. The length of the lower bottom edge of the web plate 20 is determined by the borne axial force and bending moment, the length of the lower bottom edge is greater than or equal to the diameter of the steel pipe column 20, the length of the upper top edge of the web plate 20 is a determined value, and is determined by the length, height and inclination angle alpha of the lower bottom edge of the web plate 20, and the thickness of the web plate 20 is determined by the steel pipe column 20. The semi-circular steel plates 19 are maintained in a vertical state, and the diameter thereof is determined by the steel pipe column 20. The diameter of the semi-circular steel plate 19 is determined by the steel pipe column 20; the steel pipe column 20, the web 17, the semi-arc steel plate 19 and the sealing steel plate 18 are all connected in a welding mode.
In this embodiment, the steel pipe column 20 mainly comprises a semicircular arc-shaped steel plate 21 and a stiffening plate 22, the arc-shaped steel plate 21 and the stiffening plate 22 are both obliquely arranged and have the same inclination angle, two side edges of the arc-shaped steel plate 21 are respectively and correspondingly connected with one side edge of the pair of webs 17, two side edges of the stiffening plate 22 are respectively connected to the inner walls of the pair of webs 17, the stiffening plate 22 is perpendicular to the pair of webs 17, the arc-shaped steel plate 21, the stiffening plate 22 and the webs 17 form a closed steel pipe column 20, and each hollow shell 12 shares one steel pipe column 20. In this embodiment, concrete is poured into the hollow housing. In order to improve the rigidity and the bearing capacity of the structure, in other embodiments, concrete may be cast only in the steel pipe column 20 according to the structural stress requirements.
As shown in fig. 5 to 9, a column base rib plate 23 with an opening at the middle part is arranged in the bottom of the hollow shell 12, the column base rib plate 23 is horizontally arranged, the plate edge of the column base rib plate 23 is connected to the circumference of the inner wall of the hollow shell 12, and the column base rib plate 23 is cut by a stiffening plate 22; the arc-shaped steel plate 19a vertically arranged in the hollow shell 12 positioned on the upper floor extends downwards into the top of the hollow shell 12 through the gap of the sealing steel plate 18 of the hollow shell 12 positioned on the lower floor, a post middle rib plate 24 with a hole at the middle part is arranged in the top of the hollow shell 12, the post middle rib plate 24 is horizontally arranged, the plate edge of the post middle rib plate 24 is connected to the circumference of the inner wall of the hollow shell 12, the bottom end of the arc-shaped steel plate 19a vertically arranged in the hollow shell 12 positioned on the upper floor is fixed on the post middle rib plate 24, and the post middle rib plate 24 is intercepted by the stiffening plate 22; the space surrounded by the arc-shaped steel plate 21 of the steel pipe column 20 positioned at the top end of the hollow shell 12 in the next floor and the vertically arranged arc-shaped steel plate 19a positioned at the hollow shell 12 in the previous floor is a column top space, a column top ribbed plate 25 with a hole in the middle is arranged in the column top space, the column top ribbed plate 25 is horizontally arranged, the plate edge of the column top ribbed plate is connected to the circumference of the inner wall of the column top space, and the column top ribbed plate 25 is cut by the stiffening plate 22. A plurality of pairs of vertical stiffening ribs 26 are arranged between the sealing steel plate 18 and the middle rib plate 24 of the column and positioned in the space at the top of the column, and each pair of the stiffening ribs 26 is correspondingly arranged at two sides of the middle rib plate 24 of the column. The middle openings of the column base rib plate 23, the column middle rib plate 24 and the column top rib plate 25 are flat elliptical holes.
The stress principle of the invention is as follows:
the steel pipe concrete column has the advantages that the outer side of the steel pipe concrete column has an inclined column effect, the inner side of the steel pipe concrete column has a vertical column effect, and the column base of the steel pipe concrete column of each floor is eccentrically arranged relative to the column top of the steel pipe concrete column of the next floor. The invention discloses a method for constructing a long circular steel pipe column on an inclined plane, which is characterized in that a vertical axial force P can generate non-negligible additional moment M at floors and generate unfavorable additional bending moment for vertical load at each floor.
The invention is of an inverted trapezoidal structure, and the column top section height at each floor has higher rigidity and bearing capacity so as to bear the support bending moment of a floor cantilever beam structure and a large-span structure.
Example 2
As shown in fig. 10 and 11, the present embodiment is different from embodiment 1 in that: the cross section of the hollow shell 12 is a flat rectangle, the hollow shell 12 comprises an inner side face, an outer side face and a web 17 in an inverted right trapezoid shape, the inner side face and the outer side face are both planes, namely the outer side face is a plane steel plate 21a, the inner side face is a plane steel plate 19c, the steel pipe column is a complete steel pipe, and the hollow shells share one steel pipe column.
Example 3
The present embodiment is different from embodiment 1 in that: the steel pipe column is a complete steel pipe, and each hollow shell shares a steel pipe column, and in order to improve the rigidity and the bearing capacity of the structure, concrete can be poured into the whole hollow shell or only the steel pipe column according to the structural stress requirement.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the shape of the hollow shell of the present invention may have other embodiments without departing from the basic technical idea of the present invention as well as according to the common technical knowledge and conventional means in the field; the hollow shell can also be formed by combining and connecting components in other shapes; the reinforcing structure arranged in the hollow shell and used for reinforcing the connecting nodes of the hollow shells can also adopt other structures and arrangement modes according to actual conditions. Therefore, the present invention can be modified, replaced or changed in other various forms without departing from the scope of the present invention.
Claims (8)
1. The utility model provides an inverted trapezoidal variable cross-section steel core concrete column, includes steel pipe and concrete, its characterized in that: the steel pipe is composed of a plurality of inverted right trapezoid hollow shells positioned on different floors, each hollow shell is sequentially arranged along an oblique direction, the hollow shells are flat bodies, one side surface of each hollow shell is a vertical surface and serves as the inner side surface of each hollow shell, the other side surface of each hollow shell is an inclined surface and serves as the outer side surface of each hollow shell, one end, positioned on the inclined surface, of the top surface of each hollow shell is an outer end surface, the bottom ends of the hollow shells are provided with holes, the holes, positioned on the bottom ends of the hollow shells on the previous floor, are fixed on the outer end surfaces of the top surfaces of the hollow shells on the next floor so as to enable the interiors of the adjacent hollow shells to be communicated, the outer side surfaces of the hollow shells form an inclined surface integrally, and the inclination angle of the inclined surface is the inclination angle of the outer vertical surface of the building; the cross section of the hollow shell is flat and rectangular, the inner side face and the outer side face of the hollow shell are both planes, or the cross section of the hollow shell is flat and oval, and the inner side face and the outer side face of the hollow shell are both arc-shaped faces.
2. The inverted trapezoidal variable cross-section concrete filled steel tubular column according to claim 1, characterized in that: the bottom end of the hollow shell is provided with a circular hole or a flat elliptical hole.
3. The inverted trapezoidal variable cross-section concrete filled steel tubular column as defined in claim 2, wherein: the hollow shell mainly comprises a pair of inverted right trapezoid webs which are arranged oppositely and in parallel, a sealing steel plate serving as the top surface of the hollow shell, a vertically arranged arc-shaped steel plate and a slantly arranged steel pipe column, wherein the outer convex surface of the arc-shaped steel plate is the inner side surface of the hollow shell, two side edges of the arc-shaped steel plate are respectively and correspondingly connected with one side edge of the pair of webs, the other side edge of the pair of webs is respectively connected with the outer wall of the steel pipe column, one part of the steel pipe column along the axial direction is located outside the pair of webs to serve as the outer side surface of the hollow shell, the other part of the steel pipe column is located between the pair of webs, so that an upper end opening and a bottom opening are formed, the sealing steel plate is in a flat oval shape, the sealing steel plate is arranged on the upper end opening, a notch is formed in the outer end surface of the sealing steel plate, the notches and the edges of the part of the steel pipe column, which are located outside the pair of webs, are combined into a through hole, and the bottom opening of the hollow shell located on the previous floor is in butt joint with the through hole of the hollow shell located on the next floor.
4. The inverted trapezoidal variable cross-section concrete filled steel tubular column according to claim 3, characterized in that: the steel pipe column is a complete steel pipe, and each hollow shell shares one steel pipe column.
5. The inverted trapezoidal variable cross-section concrete filled steel tubular column as defined in claim 4, wherein: the steel-pipe column comprises arc steel sheet and stiffening plate, arc steel sheet and the equal slant of stiffening plate set up and inclination unanimous, the both sides limit of arc steel sheet corresponds with this side to the web respectively and is connected, the both sides limit of stiffening plate is connected respectively on this inner wall to the web, and the stiffening plate perpendicular to should be to the web, arc steel sheet, stiffening plate and web form the steel-pipe column of enclosure, a steel-pipe column of each cavity casing sharing.
6. The inverted trapezoidal variable cross-section concrete filled steel tubular column according to claim 4 or 5, characterized in that: concrete is poured into the hollow shell.
7. The inverted trapezoidal variable cross-section concrete filled steel tubular column according to claim 5, characterized in that: and pouring concrete into the steel pipe column.
8. The inverted trapezoidal variable cross-section concrete filled steel tubular column as defined in claim 7, wherein: a column base rib plate with a hole in the middle is arranged in the bottom of the hollow shell, the column base rib plate is horizontally arranged, the plate edge of the column base rib plate is connected to the circumference of the inner wall of the hollow shell, and the column base rib plate is cut by the stiffening plate; the arc-shaped steel plate vertically arranged on the hollow shell on the upper floor downwards extends into the top of the hollow shell through a gap of the sealing steel plate of the hollow shell on the lower floor, a post middle rib plate with a hole in the middle is arranged in the top of the hollow shell, the post middle rib plate is horizontally arranged, the plate edge of the post middle rib plate is connected to the circumference of the inner wall of the hollow shell, the bottom end of the arc-shaped steel plate vertically arranged on the hollow shell on the upper floor is fixed on the post middle rib plate, and the post middle rib plate is cut by the stiffening plate; a space surrounded by the arc-shaped steel plate of the steel pipe column positioned at the top end of the hollow shell of the next floor and the vertically arranged arc-shaped steel plate of the hollow shell of the previous floor is a column top space, a column top ribbed plate with a hole in the middle is arranged in the column top space, the column top ribbed plate is horizontally arranged, the plate edge of the column top ribbed plate is connected to the circumference of the inner wall of the column top space, and the column top ribbed plate is cut by the stiffening plate; a plurality of pairs of vertical stiffening ribs are arranged between the sealing steel plate and the rib plate in the column and outside the space at the top of the column, and each pair of stiffening ribs is correspondingly arranged at two sides of the rib plate in the column; the middle openings of the column base rib plate, the column middle rib plate and the column top rib plate are flat elliptical holes.
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| CN201710038418.5A CN106639155B (en) | 2017-01-19 | 2017-01-19 | Inverted trapezoidal variable cross-section concrete-filled steel tubular column |
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| CN113309292B (en) * | 2021-06-07 | 2022-12-16 | 哈尔滨工业大学 | Variable-section multi-steel-pipe high-strength waste concrete combined column and construction method thereof |
| CN114277937B (en) * | 2022-02-08 | 2023-06-09 | 华北理工大学 | Hollow interlayer steel pipe concrete member connecting structure, combined structure and construction method |
| WO2024169992A1 (en) * | 2023-02-14 | 2024-08-22 | 王哲 | Tubular element and member |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201874154U (en) * | 2010-12-02 | 2011-06-22 | 北京建工集团有限责任公司 | Inclined steel pipe concrete column |
| CN203475613U (en) * | 2013-08-30 | 2014-03-12 | 广州市城市规划勘测设计研究院 | Building beam-column joint structure |
| CN204401879U (en) * | 2014-12-09 | 2015-06-17 | 宿迁华夏建设(集团)工程有限公司 | A kind of shaped steel and the oblique post of reinforced concrete combination |
| CN206722219U (en) * | 2017-01-19 | 2017-12-08 | 广东省建筑设计研究院 | A kind of inverted trapezoidal Variable Section Steel pipe concrete column |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7562499B2 (en) * | 2006-01-13 | 2009-07-21 | HC Bridge Company, LLC | Hybrid composite beam system |
-
2017
- 2017-01-19 CN CN201710038418.5A patent/CN106639155B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201874154U (en) * | 2010-12-02 | 2011-06-22 | 北京建工集团有限责任公司 | Inclined steel pipe concrete column |
| CN203475613U (en) * | 2013-08-30 | 2014-03-12 | 广州市城市规划勘测设计研究院 | Building beam-column joint structure |
| CN204401879U (en) * | 2014-12-09 | 2015-06-17 | 宿迁华夏建设(集团)工程有限公司 | A kind of shaped steel and the oblique post of reinforced concrete combination |
| CN206722219U (en) * | 2017-01-19 | 2017-12-08 | 广东省建筑设计研究院 | A kind of inverted trapezoidal Variable Section Steel pipe concrete column |
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| CN106639155A (en) | 2017-05-10 |
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