CN110748087A - Connecting structure of steel pipe column and basement reverse construction method steel stand column - Google Patents
Connecting structure of steel pipe column and basement reverse construction method steel stand column Download PDFInfo
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- CN110748087A CN110748087A CN201911116136.8A CN201911116136A CN110748087A CN 110748087 A CN110748087 A CN 110748087A CN 201911116136 A CN201911116136 A CN 201911116136A CN 110748087 A CN110748087 A CN 110748087A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention belongs to a connecting structure of a steel pipe column and a basement reverse construction method steel column in the field of constructional engineering, and the technical scheme is as follows: a connection structure of a steel pipe column and a basement reverse construction method steel upright column is characterized in that the steel pipe column at the upper part is coaxially sleeved outside the reverse construction method upright column at the lower part of the basement, coaxial cross shaft force transmission plates are arranged at the mutually sleeved parts of the steel pipe column and the reverse construction method upright column, the mutually sleeved parts and the cross shaft force transmission plates form a connection section, and four limbs of the cross shaft force transmission plates penetrate through the outer wall of the reverse construction method upright column and extend to the outer wall of the steel pipe column; the cross shaft force transmission plate is connected with the reverse method upright post and the steel tube post by equal-strength or super-strength welding; the steel pipe column and the reverse construction method column comprise connecting sections to form a basement integral steel column, and reinforced concrete is poured inside and outside the basement integral steel column to form the basement section steel concrete column together. The problem of steel-pipe column reliably be connected at basement and reverse construction method stand under the reverse construction method condition, transmit reverse construction method load and peacetime operating mode load is solved.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a connecting structure of an upper steel pipe column in a basement and a reverse construction method stand column.
Background
The steel pipe column of steel frame construction must insert basement concrete column certain length to guarantee the normal work of upper portion steel frame under the effect of operating mode load at ordinary times, do not consider reverse construction method construction load, only be applicable to the construction of following the construction method. The reverse construction method needs to arrange a steel upright post in the basement, the steel upright post is inserted into the bottom pile to transfer the construction load of the reverse construction method of the basement, and finally, concrete is poured and tamped at the position of the steel upright post to form a steel pipe concrete column to bear the load of the ordinary working condition. At present, the connection between a steel pipe column inserted downwards and a steel column of a reverse construction method is not considered in the steel pipe column inserted downwards basement concrete column node of a steel frame structure, and the construction requirements of the reverse construction method cannot be met.
Disclosure of Invention
Aiming at the blank of the existing node and the technology, the invention provides a connecting structure of a steel pipe column in a basement and a reverse construction method upright post, and solves the problems that the steel pipe column is reliably connected with the reverse construction method upright post in the basement under the condition of a reverse construction method, and the reverse construction method load and the plane-time working condition load are transmitted.
The technical scheme of the invention is as follows: a connection structure of a steel pipe column and a basement reverse construction method steel upright column is characterized in that the steel pipe column at the upper part is coaxially sleeved outside the reverse construction method upright column at the lower part of the basement, coaxial cross shaft force transmission plates are arranged at the mutually sleeved parts of the steel pipe column and the reverse construction method upright column, the mutually sleeved parts and the cross shaft force transmission plates form a connection section, and four limbs of the cross shaft force transmission plates penetrate through the outer wall of the reverse construction method upright column and extend to the outer wall of the steel pipe column; the cross shaft force transmission plate is connected with the reverse method upright post and the steel tube post by equal-strength or super-strength welding; the steel pipe column and the reverse construction method column comprise connecting sections to form a basement integral steel column, and reinforced concrete is poured inside and outside the basement integral steel column to form the basement section steel concrete column together.
Based on the technical characteristics: the outer wall of the whole steel column of the basement is provided with a shear connector.
Based on the technical characteristics: the steel-pipe column sets up shear connector at basement part inner wall, and shear connector is located the upper portion of linkage segment.
Based on the technical characteristics: and (3) welding axial force transmission bottom plates with equal strength or super strength outside the bottom of the steel pipe column and the wall of the reverse method column as bottom plates of the connecting section.
Based on the technical characteristics: the steel pipe column is a round steel pipe or a rectangular steel pipe.
Based on the technical characteristics: the upright column of the reverse construction method is a round steel tube or a rectangular steel tube or a lattice column.
The invention has the beneficial effects that:
1. and in the reverse construction method stage, only the whole steel column of the basement exists, namely when the whole steel column of the basement is not externally wrapped and reinforced concrete is poured in, the whole steel column of the basement is ensured to safely and reliably transmit and bear the working condition load of the reverse construction method.
2. In the normal stress stage, when the basement steel column is formed by post-pouring reinforced concrete inside and outside the basement integral steel column,
the basement steel reinforced concrete column can safely and reliably transmit and bear normal working condition load.
3. The connection structure is convenient to construct and ensures the safety and reliability of the structure.
Drawings
Fig. 1 is a schematic view of a connection structure of a steel pipe column and a steel column of a basement top-down construction method.
Fig. 2 is a schematic view of an integral steel column of a basement.
FIG. 3 is a schematic view of a basement type steel reinforced concrete column.
Fig. 4 is a cross-sectional view a-a of fig. 3.
Fig. 5 is a sectional view a-a of fig. 3.
Fig. 6 is a first cross-sectional view taken along line B-B of fig. 3.
Fig. 7 is a second sectional view taken along line B-B of fig. 3.
Fig. 8 is a third sectional view taken along line B-B of fig. 3.
Fig. 9 is a cross-sectional view B-B of fig. 3.
Fig. 10 is a cross-sectional view taken along line B-B of fig. 3.
Fig. 11 is a first cross-sectional view of C-C of fig. 3.
Fig. 12 is a second sectional view taken along line C-C of fig. 3.
Fig. 13 is a cross-sectional view three of fig. 3 taken along line C-C.
Fig. 14 is a first cross-sectional view taken along line D-D of fig. 2.
Fig. 15 is a sectional view of fig. 2 taken along line D-D.
Fig. 16 is a cross-sectional view three of fig. 2 taken along line D-D.
Fig. 17 is a cross-sectional view D-D of fig. 2.
Fig. 18 is a cross-sectional view five of fig. 2, taken along line D-D.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, an upper steel pipe column 1 is inserted into a basement at a top elevation a of a basement roof structure 8, a reverse construction method upright post 2 extends upwards from a foundation and penetrates through a floor structure 9 on an underground layer, the upper steel pipe column 1 is coaxially sleeved outside the reverse construction method upright post 2, namely, the reverse construction method upright post extends upwards in the underground layer and is inserted into the upper steel pipe column 1, coaxial cross shaft force transmission plates 3 are arranged at the sleeved parts of the steel pipe column 1 and the reverse construction method upright post 2, the sleeved parts and the cross shaft force transmission plates 3 form a connecting section 5, and four limbs of the cross shaft force transmission plates 3 penetrate through the outer wall of the reverse construction method upright post 2 and extend to the outer wall of the steel pipe column 1; the cross shaft force transfer plate 3 is connected with the reverse construction method upright 2 and the steel pipe column 1 by equal strength or super strength welding, and is used for transferring the internal force of the steel pipe column 1 to the reverse construction method upright 2; the basement section of the steel pipe column 1 and the reverse construction method column 2 comprise connecting sections 5 to form the basement integral steel column shown in the figure 2, and reinforced concrete is poured inside and outside the basement integral steel column to form the basement section steel concrete column 7 together. The connecting section 5 can be arranged at the underground floor as shown in fig. 1, and can also be arranged at other floors of the basement.
Fig. 2 shows the basement integral steel column, which comprises a basement section of a steel pipe column 1, and a reverse construction method column 2 with a connecting section 5. As an optimization, the bottom of the steel pipe column, the wall of the reverse construction method column and the like are welded with the axial force transmission bottom plate 6 with equal strength or super strength as the bottom plate of the connecting section, the steel pipe column 1 and the reverse construction method steel column 2 are connected, and the axial force of the steel pipe column 1 is directly transmitted to the concrete below the axial force transmission plate 6.
As an optimization, as shown in fig. 3, a shear connector 4 is arranged on the outer wall of the whole steel column of the basement, so that the load of the steel pipe column 1 above the ceiling height a of the top plate structure 8 of the basement is better transmitted into the steel reinforced concrete column 7 of the basement. The shear connector 4 comprises a shear key, a cylindrical head welding nail, a channel steel and the like, and can be specifically referred to relevant regulations of the shear connector in steel structure design standard GB 50017-2017. Further, the inner wall of the basement part of the steel pipe column 1 is provided with a shear connector 4, and the shear connector 4 is positioned above the connecting section 5. And reinforced concrete is post-poured inside and outside the whole steel column of the basement to form the basement section steel concrete column 7 together.
The steel pipe column 1 may have a rectangular steel pipe column as shown in fig. 4 or may have a circular steel pipe column as shown in fig. 5.
The cross-section of the top-down column 2 may be in the form of a circular steel pipe column as shown in fig. 11, or a rectangular steel pipe column as shown in fig. 12, or a lattice column as shown in fig. 13.
The connecting section 5 is the mutually sleeved part of the steel pipe column 1 and the reverse construction method column 2, and a coaxial cross shaft force transmission plate 3 is added, so that an axial force transmission bottom plate 6 can be added as an optimization. FIG. 6 shows a rectangular steel pipe column 1 and a circular reverse construction method column 2 sleeved with each other; FIG. 7 shows a circular steel pipe column 1 and a circular reverse construction column 2 nested with each other; FIG. 8 shows a circular steel pipe column 1 and a rectangular reverse-construction column 2 nested with each other; FIG. 9 shows a rectangular steel pipe column 1 and a reverse construction column 2 in the form of a lattice column nested together; fig. 10 shows a circular steel pipe column 1 and a reverse-construction column 2 in the form of a lattice column nested within one another.
FIG. 14 is a horizontal schematic view of a rectangular steel pipe column 1 and a circular reverse construction method column 2, wherein an axial force transmission bottom plate 6 is arranged at the bottom of the steel pipe column 1 when the rectangular steel pipe column 1 and the circular reverse construction method column 2 are sleeved with each other; FIG. 15 is a horizontal schematic view of a circular steel pipe column 1 and a circular reverse construction method column 2, wherein an axial force transmission bottom plate 6 is arranged at the bottom of the steel pipe column 1; FIG. 16 is a horizontal schematic view of the bottom of a steel pipe column 1 with an axial force transmission bottom plate 6 when the round steel pipe column 1 and a rectangular reverse construction method column 2 are sleeved with each other; FIG. 17 is a horizontal schematic view of a rectangular steel pipe column 1 and a lattice column type top-down method column 2, wherein an axial force transmission bottom plate 6 is arranged at the bottom of the steel pipe column 1; fig. 18 is a horizontal schematic view of the axial force transmission floor 6 at the bottom of the steel pipe column 1 when the circular steel pipe column 1 and the lattice column type reverse-construction column 2 are fitted to each other. In fig. 14 to 18, the axial force transmission base plate 6 does not extend into the top-down column 2.
The cross-section of the cross-axis force transmission plate 3 shown in fig. 6 to 10 is cross-shaped, and may be a shape like a Chinese character mi or other circle-symmetrical radial line segment shapes.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a connection structure of steel-pipe column and basement reverse construction method steel stand which characterized in that: the steel pipe column (1) at the upper part is coaxially sleeved outside the reverse construction method column (2) at the lower part in the basement, coaxial cross shaft force transmission plates (3) are arranged at the mutual sleeved parts of the steel pipe column (1) and the reverse construction method column (2), the mutual sleeved parts and the cross shaft force transmission plates (3) form a connecting section (5), and four limbs of the cross shaft force transmission plates (3) penetrate through the outer wall of the reverse construction method column (2) and extend to the outer wall of the steel pipe column (1); the cross shaft force transfer plate (3) is connected with the reverse construction method upright post (2) and the steel pipe column (1) by equal-strength or super-strength welding; the basement section of the steel pipe column (1) and the reverse construction method column (2) with the connecting section (5) form a basement integral steel column, and reinforced concrete is poured inside and outside the basement integral steel column to form a basement section steel concrete column (7) together.
2. The connection structure of the steel pipe column and the steel column of the basement top-down construction method according to claim 1, characterized in that: the outer wall of the integral steel column of the basement is provided with a shear connector (4).
3. The connection structure of the steel pipe column and the basement reverse construction method steel column according to claim 2, characterized in that: the steel pipe column (1) is characterized in that a shear connector (4) is arranged on the inner wall of the basement part, and the shear connector (4) is located above the connecting section (5).
4. The connection structure of a steel pipe column and a basement reverse construction steel column according to claim 1, 2 or 3, characterized in that: and an axial force transmission bottom plate (6) is welded at the bottom of the steel pipe column (1) and outside the wall of the reverse construction method column (2) in an equal strength or super strength mode and serves as a bottom plate of the connecting section (5).
5. The connection structure of the steel pipe column and the steel column of the basement top-down construction method according to claim 1, characterized in that: the steel pipe column (1) is a round steel pipe or a rectangular steel pipe.
6. The connection structure of the steel pipe column and the steel column of the basement top-down construction method according to claim 1, characterized in that: the reverse construction method upright post (2) is a round steel tube or a rectangular steel tube or a lattice column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116136.8A CN110748087A (en) | 2019-11-15 | 2019-11-15 | Connecting structure of steel pipe column and basement reverse construction method steel stand column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116136.8A CN110748087A (en) | 2019-11-15 | 2019-11-15 | Connecting structure of steel pipe column and basement reverse construction method steel stand column |
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| Publication Number | Publication Date |
|---|---|
| CN110748087A true CN110748087A (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911116136.8A Pending CN110748087A (en) | 2019-11-15 | 2019-11-15 | Connecting structure of steel pipe column and basement reverse construction method steel stand column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456323A (en) * | 2020-04-20 | 2020-07-28 | 上海建工二建集团有限公司 | Structure column of early and later construction structure, basement structure column and construction method of basement structure column |
-
2019
- 2019-11-15 CN CN201911116136.8A patent/CN110748087A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456323A (en) * | 2020-04-20 | 2020-07-28 | 上海建工二建集团有限公司 | Structure column of early and later construction structure, basement structure column and construction method of basement structure column |
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