CN218060773U - Steel construction column foot shear key mounting structure - Google Patents
Steel construction column foot shear key mounting structure Download PDFInfo
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- CN218060773U CN218060773U CN202222524807.8U CN202222524807U CN218060773U CN 218060773 U CN218060773 U CN 218060773U CN 202222524807 U CN202222524807 U CN 202222524807U CN 218060773 U CN218060773 U CN 218060773U
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Abstract
The utility model discloses a steel structure column base shear key installation structure, which comprises a column base bottom plate, a foundation short column, a shear key and a connecting piece; the shear key is pre-embedded in the foundation short column, the upper surface of the shear key is exposed, and the column base bottom plate and the shear key are tightly connected and welded through a connector by adopting a fillet weld; the utility model discloses a steel construction column base shear key mounting structure can realize together fixed grout with column base bolt and shear key, need not to reserve the keyway that shears, and the shear key need not to weld in advance with the steel column, has reduced the construction degree of difficulty, has shortened construction period.
Description
Technical Field
The utility model belongs to the technical field of the steel construction, concretely relates to steel construction column base shear key mounting structure.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
At present, in the construction of most steel structure structures, a light and efficient stress form is achieved by reducing the steel consumption, the steel structure has light dead weight, the shearing force borne by a column base under the action of horizontal load is increasingly large, the horizontal counter force is borne by the friction force between a bottom plate and a concrete foundation or a shear key is arranged, and most column bases are provided with the shear key.
In the prior art, the shear key is generally vertically welded on the bottom steel of the column by using thicker channel steel or I-steel, and is buried in a shear key slot reserved in the foundation, and finally, the shear key is poured for the second time by using grouting material. The disadvantages are that: 1. the anti-shearing key groove is positioned in a paying-off mode and holes are reserved, so that the working procedures are increased, and the construction period is prolonged; 2. the shear key needs to be pre-welded, so that construction is difficult, and construction difficulty is increased; 3. welding production work and waiting for concrete grouting drying can not be carried out simultaneously, construction period is prolonged, and cost is increased.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a steel construction column foot shear key mounting structure can realize together fixed grout with column base bolt and shear key, need not to reserve the keyway that shears, and the shear key need not to weld in advance with the steel column, has reduced the construction degree of difficulty, has shortened construction period.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
in a first aspect, an embodiment of the present invention provides a steel structure column base shear key installation structure, including a column base bottom plate, a foundation short column, a shear key, and a connecting member; the shear key is pre-embedded in the foundation short column, the upper surface of the shear key is exposed, and the column base bottom plate and the shear key are tightly welded through the connecting piece by adopting an angle welding seam.
As a further technical scheme, the upper surface of the column base bottom plate is welded with the steel column.
As a further technical scheme, a plurality of column base bolts are pre-buried in the foundation short column.
As a further technical scheme, the column base bottom plate is provided with bolt holes, penetrates through the column base bolts and is fixed through upper nuts and lower nuts, and the upper nuts and the lower nuts are respectively positioned on the upper side and the lower side of the column base bottom plate.
As a further technical scheme, an upper gasket is arranged between the upper nut and the column base bottom plate, and a lower gasket is arranged between the lower nut and the column base bottom plate.
As a further technical scheme, a plurality of column base bolts are arranged in a left-right symmetrical mode.
As a further technical scheme, pouring grout is arranged between the top surface of the foundation short column and the column base bottom plate.
As a further technical scheme, a plurality of stiffening ribs are arranged at the lower end of the steel column.
As a further technical scheme, the stiffening ribs and the column foot bolts are arranged at intervals.
As a further technical scheme, the basic short column is a concrete or reinforced concrete column which is prefabricated in a factory or is precast in an installation site.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
the steel structure column base shear key installation structure of the utility model has the advantages that after the leveling is adjusted by the lower nut, the shear key and the column base bottom plate are tightly welded through the connecting piece, namely, the shear key can be fixedly grouted together with the column base bolt in advance, and is embedded in the foundation short column, the shear key groove is not required to be reserved, the engineering period is greatly shortened, and the engineering cost is reduced; the shear key does not need to be welded with the steel column in advance, so that the field construction difficulty is reduced; the utility model discloses simple structure effect is fabulous, is particularly suitable for taking shear key exposed column base of steel construction building.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a schematic view of the installation structure of the steel structure column base shear key of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a top view of fig. 1.
The schematic diagram is used only schematically;
in the figure: 1-steel column; 2-column base bottom plate; 3-a pedestal bolt; 4-a shear bond; 5-a connector; 6-a foundation stub; 7-a stiffener; 8-grouting material; 9-upper nut; 10-lower nut.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In a typical embodiment of the present invention, in order to solve the problems existing in the prior art, a steel structure column base shear key installation structure is provided, as shown in fig. 1 to 3, comprising a steel column 1, a column base bottom plate 2, a column base bolt 3, a shear key 4, a connecting piece 5, a foundation short column 6, a stiffening rib 7, a grouting material 8, an upper nut 9 and a lower nut 10.
The steel column 1 may be a column, such as an H-shaped steel column or a square steel column, a column base bottom plate 2 is welded to the bottom of the steel column 1, and the steel column 1 is fixed on a foundation short column 6 below through the column base bottom plate 2.
The foundation short column 6 can be cast in place, or a concrete or reinforced concrete foundation short column which is cast before the foundation short column is delivered to the site, the size of the foundation short column 6 is determined by the size of the steel column 1, a plurality of column base bolts 3 and shear keys 4 are pre-embedded in the foundation short column 6, and the upper surfaces of the column base bolts and the shear keys are higher than the upper surface of the foundation short column.
A plurality of 3 bilateral symmetry of column base bolt set up, offer the bolt hole that matches with the column base bolt on the column base bottom plate 2, column base bottom plate 2 passes column base bolt 3, fixes through upper nut 9 and lower nut 10, and upper nut 9 and lower nut 10 are located the upper and lower both sides of column base bottom plate respectively, sets up the gasket between upper nut 9 and the column base bottom plate 2, sets up down the gasket between lower nut 10 and the column base bottom plate 2, and the upper nut can set up two.
The shear keys 4 are specifically channel steel and are embedded between the bilaterally symmetrical column base bolts, the foundation short columns are exposed on the upper surfaces of the shear keys 4, the exposure heights of the shear keys 4 can be selected according to specific construction conditions, the connecting pieces 5 adopt angle welding seams to tightly support and weld the side surfaces of the column base bottom plates 2 and the upper surfaces of the shear keys 4, and the connecting pieces 5 specifically adopt angle steel.
And grouting material 8 is poured between the top surface of the foundation short column 6 and the column base bottom plate 2.
In this embodiment, the lower extreme of steel column 1 sets up a plurality of stiffening ribs 7, and stiffening rib 7 sets up with column base bolt 3 interval, can increase welding seam joint strength, and then increases steel column 1 and column base bottom plate 2's joint strength.
The installation method of the steel structure column foot shear key installation structure in the embodiment comprises the following steps:
the shear key 4 and the column base bolt 3 are pre-embedded in the foundation short column 6 according to design, and the upper surface of the shear key 4 is exposed. Meanwhile, the stiffening ribs 7, the steel columns 1, the column base bottom plate 2 and other steel materials are welded according to the structure, after the steel columns are in place, the steel columns are leveled by adjusting the lower nuts and the gaskets 10, and then the connecting pieces 5 are tightly propped and welded on the side surfaces of the column base bottom plate 2 and the upper surface of the shear keys 4. After all the above structures are completed, the nut and the washer 9 are screwed down. And finally pouring grouting material 8 between the column base bottom plate 2 and the foundation short column 6.
The steel structure column base shear key mounting structure of this embodiment can realize together fixed grout with column base bolt and shear key, need not to reserve the keyway that shears, and the shear key need not to weld in advance with the steel column, has reduced the construction degree of difficulty, has shortened construction period.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A steel structure column base shear key mounting structure is characterized by comprising a column base bottom plate, a foundation short column, a shear key and a connecting piece; the shear key is pre-embedded in the foundation short column, the upper surface of the shear key is exposed, and the column base bottom plate and the shear key are tightly welded through the connecting piece by adopting an angle welding seam.
2. The steel-structure column foot shear key installation structure of claim 1, wherein the upper surface of the column foot bottom plate is welded to the steel column.
3. The steel structure column foot shear key mounting structure of claim 1, wherein a plurality of column foot bolts are pre-buried in the foundation stub.
4. The steel structure column base shear key installation structure of claim 3, wherein the column base bottom plate is provided with bolt holes, and the column base bottom plate passes through the column base bolts and is fixed by upper and lower nuts, which are respectively located at upper and lower sides of the column base bottom plate.
5. The steel structure column base shear key installation structure of claim 4, wherein an upper gasket is provided between the upper nut and the column base bottom plate, and a lower gasket is provided between the lower nut and the column base bottom plate.
6. The steel-structure column shoe shear key installation structure of claim 3, wherein a plurality of column shoe bolts are provided in bilateral symmetry.
7. The steel-structure column foot shear key installation structure of claim 1, wherein a grouting material is poured between the top surface of the foundation stub and the column foot bottom plate.
8. The steel structure column foot shear key mounting structure of claim 2, wherein a plurality of stiffening ribs are provided at the lower end of the steel column.
9. The steel structure column foot shear key installation structure of claim 8, wherein the stiffening ribs are provided spaced apart from the column foot bolts.
10. The steel-structure column foot shear key installation structure of claim 1, wherein the foundation stub is a concrete or reinforced concrete column prefabricated in a factory or precast in an installation site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524807.8U CN218060773U (en) | 2022-09-23 | 2022-09-23 | Steel construction column foot shear key mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524807.8U CN218060773U (en) | 2022-09-23 | 2022-09-23 | Steel construction column foot shear key mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218060773U true CN218060773U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222524807.8U Active CN218060773U (en) | 2022-09-23 | 2022-09-23 | Steel construction column foot shear key mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218060773U (en) |
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2022
- 2022-09-23 CN CN202222524807.8U patent/CN218060773U/en active Active
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