CN117052045A - Semi-embedded end-bearing column foot of steel tube concrete column and steel tube and column foot construction method thereof - Google Patents
Semi-embedded end-bearing column foot of steel tube concrete column and steel tube and column foot construction method thereof Download PDFInfo
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- CN117052045A CN117052045A CN202311023714.XA CN202311023714A CN117052045A CN 117052045 A CN117052045 A CN 117052045A CN 202311023714 A CN202311023714 A CN 202311023714A CN 117052045 A CN117052045 A CN 117052045A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 138
- 239000010959 steel Substances 0.000 title claims abstract description 138
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims description 16
- 238000004873 anchoring Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000003796 beauty Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—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
Abstract
The application discloses a steel tube concrete column semi-embedded end-supported column foot and a steel tube and column foot construction method thereof, wherein the steel tube comprises a steel tube main body (10), a connecting part (20), a column foot bottom plate (30) and a reinforcing part (40), the connecting part (20) is connected with the steel tube main body (10) and is used for connecting an upper raft steel bar (51) of a raft foundation (50), the column foot bottom plate (30) is connected with the steel tube main body (10) and is used for being connected with an anchor bolt (60) anchored into the raft foundation (50), and the reinforcing part (40) is positioned at the bottom of the steel tube main body (10) and is respectively connected with the steel tube main body (10) and the column foot bottom plate (30). The application forms end-bearing stress without needing larger embedding depth, and reduces the thickness of the required raft foundation. The reinforcing part can be buried into the raft foundation together with the bottom of the column foot, so that the building finishing surface cannot be exposed, and the completeness and the attractiveness of the building function are ensured.
Description
Technical Field
The application relates to the field of building construction, in particular to a semi-embedded end support column foot of a steel tube concrete column and a steel tube and column foot construction method thereof.
Background
Along with the development of building technology and social progress, the concrete filled steel tubular column is increasingly applied to building engineering as a main bearing member due to the characteristics of good structural stability, high rigidity, small section and the like. The column foot is used as an important node in the structure, and the column foot is used for transmitting axial force, bending moment and shearing force at the lower end of the column to the foundation, so that the concrete filled steel tube column and the foundation are effectively connected together, and the upper structure is ensured to bear various external forces.
In the prior art, the concrete filled steel tube column can adopt an embedded column base or a non-embedded column base according to different stress characteristics. The embedded column foot needs to embed the steel tube concrete column into the foundation to a certain depth, and has the defects of deeper embedding depth, thicker required foundation thickness and waste of manufacturing cost. The non-embedded column base is composed of an annular bottom plate, stiffening ribs and anchor bolts, and the stiffening ribs of the column base usually expose a building finishing surface, so that the problems of influence on the using function of a building and poor appearance exist.
Therefore, how to meet the requirements of force transmission and to meet the requirements of usability and beauty is a technical problem to be solved by the application.
Disclosure of Invention
In view of this, the application provides a semi-embedded end support column foot of a concrete filled steel tubular column, so as to reduce the thickness of a raft foundation and realize an attractive effect under the condition of meeting the force transmission requirement.
The application provides a steel pipe of a steel pipe concrete column, wherein the steel pipe comprises a steel pipe main body, a connecting part, a column foot bottom plate and a reinforcing part, the connecting part is connected with the steel pipe main body and is used for connecting upper raft steel bars of a raft foundation, the column foot bottom plate is connected with the steel pipe main body and is used for being connected with an anchor bolt anchored into the raft foundation, and the reinforcing part is positioned at the bottom of the steel pipe main body and is respectively connected with the steel pipe main body and the column foot bottom plate.
Optionally, the connection portion and/or the column shoe base plate are annular plate-shaped.
Optionally, the reinforcement comprises a plurality of stiffeners disposed around the steel pipe body.
The application also provides a steel tube concrete column semi-embedded end-bearing column base, wherein the steel tube concrete column semi-embedded end-bearing column base comprises the steel tube of the steel tube concrete column.
Optionally, the half-embedded end-bearing column foot of the steel tube concrete column comprises a raft foundation provided with an anchor bolt, and the top surface of the raft foundation is provided with a post-pouring groove used for connecting the connecting part with the upper raft steel bars and pouring after the anchor bolt is connected with the column foot bottom plate.
Optionally, the anchor bolts are anchored to the raft foundation and are exposed from the bottom surface of the post-pouring groove, and the column base bottom plate is provided with anchor bolt holes for connecting the anchor bolts.
Optionally, a plurality of said anchors are provided around said steel pipe body.
Optionally, leveling is performed between the bottom surface of the post-pouring groove and the column base bottom plate through secondary grouting.
The application also provides a construction method of the semi-embedded end-bearing column base of the steel tube concrete column, wherein the construction method comprises the following steps: s1, providing a steel pipe, anchoring an anchor bolt on a raft foundation and reserving a post-pouring groove; s2, hoisting the steel pipe to the post-pouring groove, connecting the column foot bottom plate with an anchor bolt, arranging an upper raft steel bar in the post-pouring groove, and connecting the upper raft steel bar with the connecting part; s3, pouring the post-pouring groove; s4, pouring concrete into the steel pipe main body.
Optionally, in step S2, before connecting the toe bottom plate and the anchor bolt, leveling is performed between the bottom surface of the post-pouring tank and the toe bottom plate by secondary grouting.
According to the technical scheme of the application, on one hand, the upper raft steel bars can be connected through the connecting parts and the anchor bolts can be connected through the column foot bottom plates, so that end bearing type stress is formed, lateral concrete stress of the steel column is not needed, and therefore, larger embedding depth is not needed, and the thickness of a required raft foundation is reduced. On the other hand, the reinforcing part is positioned at the bottom of the steel pipe main body, can be buried into the raft foundation together with the bottom of the column foot, can not expose the building finishing surface, and ensures the integrity and the beauty of the building function.
Additional features and advantages of the application will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a cross-sectional view of a concrete filled steel tubular column semi-buried end-support column shoe according to one embodiment of the present application;
FIG. 2 is a top view of the half embedded end-support column foot of the concrete filled steel tubular column of FIG. 1;
FIG. 3 is a top view of the half embedded end-bearing column foot of the concrete filled steel tubular column of FIG. 1 with the connection and upper raft reinforcement removed;
FIG. 4 is a view of the toe plate of FIG. 3;
FIG. 5 is a schematic view of the anchor of FIG. 1;
FIG. 6 is a schematic view of the stiffener of FIG. 1.
Detailed Description
The technical scheme of the present application will be described in detail below with reference to the accompanying drawings in combination with embodiments.
According to one aspect of the present application, there is provided a steel pipe of a concrete filled steel tubular column, wherein the steel pipe includes a steel pipe body 10, a connection part 20, a column foot bottom plate 30, and a reinforcement part 40, the connection part 20 is connected to the steel pipe body 10 and is used to connect an upper raft reinforcement 51 of a raft foundation 50, the column foot bottom plate 30 is connected to the steel pipe body 10 and is used to connect with an anchor bolt 60 anchored to the raft foundation 50, and the reinforcement part 40 is located at the bottom of the steel pipe body 10 and is connected with the steel pipe body 10 and the column foot bottom plate 30, respectively.
According to another aspect of the present application, there is provided a concrete filled steel tubular column half-buried end-support column shoe, wherein the concrete filled steel tubular column half-buried end-support column shoe comprises the steel tube of the concrete filled steel tubular column of the present application.
In the technical scheme of the application, on one hand, the upper raft steel bars 51 can be connected through the connecting parts 20 and the anchor bolts 60 can be connected through the column foot bottom plates 30, so that end bearing type stress is formed, steel column lateral concrete stress is not needed, larger embedding depth is not needed, and the thickness of the required raft foundation 50 is reduced. On the other hand, the reinforcing part 40 is positioned at the bottom of the steel pipe body 10, and can be buried in the raft foundation 50 together with the column foot bottom, so that the building finishing surface is not exposed, and the integrity and the beauty of the building function are ensured.
In the present application, the connection portion 20 and the column base plate 30 may take a suitable form so as to connect the upper raft tendons 61 and the anchors 60, respectively. For simplifying the structure and facilitating the construction, preferably, as shown in fig. 2, the connection part 20 may be in a ring shape, and the upper raft reinforcement 51 may be welded to the upper plate surface of the connection part 20. As shown in fig. 3 and 4, the column shoe base plate 30 may have a ring-shaped plate shape. Specifically, the connection portion 20 and the column base plate 30 may be parallel to each other. In addition, the connection part 20 and the column shoe bottom plate 30 may be provided with vent holes 21, respectively, for facilitating the subsequent casting.
The reinforcement 40 may take a suitable form to form a reinforcement structure between the steel pipe body 10 and the column shoe 30. For uniform force transfer between the steel pipe body 10 and the column shoe 30, preferably, as shown in fig. 1, the reinforcing part 40 may include a plurality of stiffeners provided around the steel pipe body 10. The stiffening ribs can be formed into a proper structure, for example, the stiffening ribs can be plate-shaped pieces with the cross section shown in fig. 6, and the number of the stiffening ribs can be determined by stress calculation according to practical conditions.
In the application, the upper raft steel bar 51 is only connected to the connecting part 20 and is not fixed with the steel pipe main body 10, so that the steel column and the raft foundation are uniformly stressed, and meanwhile, an end bearing type stress is formed by the column foot bottom plate and the anchor bolts, so that the steel pipe main body 10 (and the poured steel pipe concrete column) is not required to be stressed by lateral concrete, and the depth required to be embedded is greatly reduced. In particular, the depth of implantation may be reduced by 50% -70% over the depth of implantation column foot under the same stress.
In addition, the steel tube concrete column half-embedded end-bearing column base comprises a raft foundation 50 provided with anchor bolts 60. To facilitate embedding the connection part 20, the toe plate 30, the reinforcement part 40 and the bottom of the steel pipe body 10 into the raft foundation 50, as shown in fig. 1, the top surface of the raft foundation 50 may be provided with a post-cast groove 52 for casting after the connection part 20 is connected to the upper raft reinforcement 51 and the toe plate 30 is connected to the anchor bolts 60. The post-pouring spout 52 has a depth to allow the connection portion 20, the column base plate 30, and the reinforcement portion 40 to be hidden after pouring. During construction, after the steel pipe is hoisted to the post-pouring groove 52, the upper raft steel bar 51 can be built in the post-pouring groove 52 and connected to the connecting part 20, and after the connection of the connecting part 20 and the upper raft steel bar 51 and the connection of the column foot bottom plate 30 and the anchor bolts 60 are completed, the post-pouring groove 52 can be poured so as to achieve the beautifying effect of hiding the connecting part 20, the column foot bottom plate 30 and the reinforcing part 40.
In order to anchor the anchor bolts 60 to the raft foundation 50 and to be connected to the toe box plate 30, as shown in fig. 1, the anchor bolts 60 are anchored to the raft foundation 50 and exposed from the bottom surface of the post-cast groove 52 to be connected to the toe box plate 30 through the exposed portions. In addition, the column shoe base plate 30 may be provided with anchor holes 31 for connecting the anchors 60, respectively. The anchor bolt 60 may have a suitable structure, for example, in the embodiment shown in fig. 5, the anchor bolt 60 may include a shaft 61, an anchor plate 62 disposed at one end of the shaft 61 to be buried in the raft foundation 50, a backing plate 63 disposed at the other end of the shaft 61, and leveling nuts 64 and fixing nuts 65 disposed at both sides of the backing plate 63, respectively. In construction, a leveling nut 64 is provided at the tip of the rod portion 61, the tip of the rod portion 61 is passed through the anchor hole 31 of the column shoe 30, and after leveling of the column shoe 30, a backing plate 63 and a fixing nut 65 are provided, for example, the backing plate 63 is welded to the column shoe 30.
In order to enhance the anchoring effect of the anchor bolt 60, it is preferable that a plurality of the anchor bolts 60 are provided around the steel pipe body 10. The arrangement manner of the anchor bolts 60 may be set according to needs and calculation, for example, a plurality of anchor bolts 60 may be uniformly distributed around the steel pipe main body 10 along the same circumference at equal angles.
In addition, in order to reinforce the connection of the toe box floor 30 and the raft foundation 50 and also to facilitate leveling when the anchor bolts 60 are connected (the steel pipes need to be leveled before the steel pipes are fixed to the raft foundation 50), it is preferable that the bottom surface of the post-cast tank 52 and the toe box floor 30 be leveled by secondary grouting. Specifically, after the top end of the rod portion 61 passes through the anchor hole 31 of the toe box floor 30, secondary grouting may be performed between the bottom surface of the post-cast channel 52 and the toe box floor 30 so as to level the position of the steel pipe before solidification so that the toe box floor 30 is parallel to the horizontal plane. After the secondary grouting is completed, a leveling state of the steel pipe can be maintained while forming a fixed connection between the column foot bottom plate 30 and the raft foundation 50.
According to another aspect of the present application, there is provided a construction method of a half-buried end-supported column shoe of a concrete filled steel tubular column, wherein the construction method comprises:
s1, providing the steel pipe, anchoring an anchor bolt 60 on the raft foundation 50 and reserving a post-pouring groove 52;
s2, hoisting the steel pipe to the post-pouring groove 52, connecting the column base bottom plate 30 with the anchor bolts 60, arranging an upper raft reinforcing steel bar 51 in the post-pouring groove 52, and connecting the upper raft reinforcing steel bar 51 with the connecting part 20;
s3, pouring the post-pouring groove 52;
s4, pouring concrete into the steel pipe main body 10.
According to the construction method, on one hand, the upper raft steel bars 51 can be connected through the connecting parts 20 and the anchor bolts 60 can be connected through the column foot bottom plates 30, so that end bearing type stress is formed, lateral concrete stress of the steel column is not needed, larger embedding depth is not needed, and the thickness of the needed raft foundation 50 is reduced. On the other hand, the reinforcing part 40 is located at the bottom of the steel pipe body 10, and the raft foundation 50 can be buried together with the column foot bottom by pouring the post-pouring groove 52, so that the building finishing surface is not exposed, and the integrity and the beauty of the building function are ensured.
The post-pouring spout 52 should be reserved with a certain depth to allow the connection portion 20, the column base plate 30, and the reinforcement portion 40 to be hidden after pouring. In addition, the concrete of the post-cast tank 52 should be one level higher than the concrete of the other previously cast portions of the raft foundation 50.
When casting the raft foundation 50 and anchoring the anchor bolts 60, the top end portions of the anchor bolts 60 should be exposed to the post-cast groove 52 so as to connect the toe box floor 30. In step S2, when the steel pipe is hoisted in place, each anchor hole 31 of the column base plate 30 may be aligned with a corresponding anchor bolt 60, and by moving the steel pipe downward, the rod portion 61 of the anchor bolt 60 may pass through the anchor hole 31 to be fixed. Specifically, when the steel pipe is hoisted in place, a leveling nut 64 is first provided at the top end of the rod portion 61, and then the steel pipe is moved downward so that the top end of the rod portion 61 passes through the anchor hole 31 of the column shoe bottom plate 30. Subsequently, after leveling of the toe box floor 30, the tie plates 63 and the fixing nuts 65 can be provided, for example, by welding the tie plates 63 to the toe box floor 30.
In addition, in order to reinforce the connection of the toe box floor 30 and the raft foundation 50 and to facilitate leveling when the anchor bolts 60 are connected (the steel pipes need to be leveled before the steel pipes are fixed to the raft foundation 50), it is preferable that leveling is performed between the bottom surface of the post-cast channel 52 and the toe box floor 30 by secondary grouting before the toe box floor 30 and the anchor bolts 60 are connected in step S2.
Specifically, after the top end of the rod portion 61 passes through the anchor hole 31 of the toe box floor 30, secondary grouting may be performed between the bottom surface of the post-cast channel 52 and the toe box floor 30 so as to level the position of the steel pipe before solidification so that the toe box floor 30 is parallel to the horizontal plane. After the secondary grouting is completed, a leveling state of the steel pipe can be maintained while forming a fixed connection between the column foot bottom plate 30 and the raft foundation 50.
In the method of the present application, in step S1, the steel pipe may be assembled by an appropriate means, for example, the connection portion 20, the column shoe plate 30, and the reinforcement portion 40 may be welded to the steel pipe body 10. And, step S1 may be performed off site (e.g., factory building) in advance to transport the assembled steel pipe as a whole to the site for construction.
The specific operation of the method of the present application will be described below with reference to the accompanying drawings.
First, the connection part 20, the column shoe bottom plate 30, and the reinforcement part 40 are welded to the steel pipe body 10 in advance at a factory to assemble the steel pipe.
The steel pipe is then transported to a construction site where the raft foundation 50 is poured in advance and the anchors 60 are anchored. Wherein, the raft foundation 50 only constructs the lower raft steel bars 53 and pours and anchors the rod portion 61 fixed with the anchor plate 62 so that the top of the rod portion 61 exposes the reserved post-cast groove 52, and the depth of the post-cast groove 52 is greater than the distance between the connection portion 20 and the bottom end of the steel pipe body 10. Thereafter, a leveling nut 64 may be provided at the top end of the stem 61.
The steel pipe may then be hoisted over post-cast channel 52 such that anchor holes 31 fall down after aligning the respective rods 61 such that the tips of rods 61 pass through anchor holes 31 and abut toe plate 30 by leveling nuts 64. Then, the pad 63 may be positioned against the toe plate 30 and the fixing nut 65 may be screwed into the top end of the rod portion 61, then a steel pipe may be secondarily grouted and leveled between the toe plate 30 and the bottom surface of the post-cast groove 52 through the slurry 70, and after leveling, the pad 63 and the toe plate 30 may be welded, thereby completing the connection of the toe plate 30 and the anchor bolt 60.
Then, the upper raft tendons 51 are disposed in the post-pouring spout 52, and the upper raft tendons 51 are welded to the connection parts 20. Thereafter, the post-cast channels 52 may be poured to be flush with the top surface of the raft foundation 50 elsewhere.
Finally, the inside of the steel pipe body 10 is poured to form the steel pipe concrete column 100.
The preferred embodiments of the present application have been described in detail above, but the present application is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the scope of the technical concept of the present application, and all the simple modifications belong to the protection scope of the present application.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the application can be made without departing from the spirit of the application, which should also be considered as disclosed herein.
Claims (10)
1. The utility model provides a steel pipe of steel core concrete column, its characterized in that, the steel pipe includes steel pipe main part (10), connecting portion (20), toe bottom plate (30) and enhancement portion (40), connecting portion (20) connect in steel pipe main part (10) and be used for connecting upper portion raft reinforcing bar (51) of raft foundation (50), toe bottom plate (30) connect in steel pipe main part (10) and be used for with anchor bolt (60) of anchor into raft foundation (50) are connected, enhancement portion (40) are located the bottom of steel pipe main part (10) and be connected with steel pipe main part (10), toe bottom plate (30) respectively.
2. A steel pipe of a steel pipe concrete column according to claim 1, characterized in that the connecting part (20) and/or the column shoe bottom plate (30) are annular plate-like.
3. A steel pipe of a steel pipe concrete column according to claim 1 or 2, characterized in that the reinforcement (40) comprises a plurality of stiffeners arranged around the steel pipe body (10).
4. A concrete-filled steel tubular column semi-buried end-support column shoe, characterized in that it comprises a steel tube of the concrete-filled steel tubular column according to any one of claims 1 to 3.
5. The concrete filled steel tubular column semi-buried end-supported column shoe according to claim 4, characterized in that it comprises a raft foundation (50) provided with anchor bolts (60), the top surface of the raft foundation (50) being provided with post-cast channels (52) for casting after the connection of the connection parts (20) to the upper raft reinforcement (51) and the shoe bottom plate (30) to the anchor bolts (60).
6. A concrete filled steel tubular column semi-buried end-support column foot according to claim 5, characterized in that said anchor bolts (60) are anchored to said raft foundation (50) and exposed from the bottom surface of said post-cast channel (52), said foot bottom plate (30) being provided with anchor bolt holes (31) for connecting said anchor bolts (60).
7. A concrete filled steel tubular column semi-buried end-support column shoe according to claim 5, characterized in that a plurality of said anchors (60) are provided around said steel tubular body (10).
8. A concrete filled steel tubular column semi-buried end-support column shoe according to claim 5, characterised in that leveling is performed by secondary grouting between the bottom surface of the post-cast channel (52) and the shoe bottom plate (30).
9. The construction method of the semi-embedded end-bearing column foot of the concrete filled steel tube column is characterized by comprising the following steps of:
s1, providing the steel pipe according to any one of claims 1-3, anchoring an anchor bolt (60) on the raft foundation (50) and reserving a post-pouring groove (52);
s2, hoisting the steel pipe to the post-pouring groove (52), connecting the column base bottom plate (30) with an anchor bolt (60), and arranging an upper raft steel bar (51) in the post-pouring groove (52) and connecting the upper raft steel bar (51) with the connecting part (20);
s3, pouring the post-pouring groove (52);
s4, pouring concrete into the steel pipe main body (10).
10. The method for constructing a half-buried end-supported column shoe of a concrete filled steel tubular column according to claim 9, characterized in that in step S2, before connecting the column shoe bottom plate (30) and anchor bolts (60), leveling is performed by secondary grouting between the bottom surface of the post-cast channel (52) and the column shoe bottom plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311023714.XA CN117052045A (en) | 2023-08-15 | 2023-08-15 | Semi-embedded end-bearing column foot of steel tube concrete column and steel tube and column foot construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311023714.XA CN117052045A (en) | 2023-08-15 | 2023-08-15 | Semi-embedded end-bearing column foot of steel tube concrete column and steel tube and column foot construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN117052045A true CN117052045A (en) | 2023-11-14 |
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| CN202311023714.XA Pending CN117052045A (en) | 2023-08-15 | 2023-08-15 | Semi-embedded end-bearing column foot of steel tube concrete column and steel tube and column foot construction method thereof |
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| CN115012436A (en) * | 2022-04-28 | 2022-09-06 | 浙江中天恒筑钢构有限公司 | Reverse-sequence construction method for raft foundation with steel structure embedded column base |
| CN116427622A (en) * | 2023-04-10 | 2023-07-14 | 安徽和州建筑安装工程有限责任公司 | Semi-buried type steel pipe concrete column foot structure of underground garage and construction method thereof |
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