CN217128295U - Steel pipe concrete multi-support-column foundation - Google Patents
Steel pipe concrete multi-support-column foundation Download PDFInfo
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- CN217128295U CN217128295U CN202220807309.1U CN202220807309U CN217128295U CN 217128295 U CN217128295 U CN 217128295U CN 202220807309 U CN202220807309 U CN 202220807309U CN 217128295 U CN217128295 U CN 217128295U
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Abstract
The utility model relates to a civil construction engineering technical field especially relates to a many pillars of steel pipe concrete basis, stand upright on the concrete filled steel tubular column on the basement bottom plate including erecting, still include: the pillar structures are poured in the steel pipe concrete column along the axial direction of the steel pipe concrete column, and the number of the pillar structures is not less than two; the upper column pier is arranged above the basement bottom plate and surrounds the outer side of the steel pipe concrete column; the lower column pier is arranged in the basement bottom plate and surrounds the outer side of the steel pipe concrete column; the anti-punching structure is positioned in the lower column pier and comprises an anti-punching bottom plate which is parallel to the basement bottom plate and anti-punching hanging ribs which are symmetrically fixed on the periphery of the anti-punching bottom plate. The utility model discloses establish 2 ~ 4 prop structures more than 4 even in, but adopt the mixed measure of upper prop mound and lower prop mound to design maximum reduction die-cutting power, anti die-cutting structure is used for bearing the axle power that comes from the stand structure, can further improve vertical bearing capacity.
Description
Technical Field
The utility model relates to a civil construction engineering technical field especially relates to a many pillar foundations of steel pipe concrete.
Background
In recent years, city construction is rapidly developed, the utilization rate of a combined structure is increasing year by year, and in a high-rise structure, in order to reduce the section of a column and increase the utilization of a plane space, a steel pipe concrete column is often adopted as a vertical stress member. Compared with a common concrete column, the steel tube concrete column can provide the same vertical bearing capacity and simultaneously achieve a smaller section. When the concrete filled steel tubular column is provided with a plurality of pillars, the foundation structure of the pillars is more complex, and deep research needs to be carried out according to the characteristics of the concrete filled steel tubular column.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the above-mentioned prior art, provide one kind and establish many pillar bases of steel pipe concrete of 2 ~ 4 pillars even more than 4, adopt to bury formula column base and set up the hybrid measure of upper column pier and lower column pier and come maximum reduction die-cut force.
The utility model discloses a solve the technical scheme who takes of this problem and be:
the utility model provides a many pillars of steel core concrete basis, includes the upright steel core concrete column on basement bottom plate, still includes:
the support column structure is poured in the steel pipe concrete column along the axial direction of the steel pipe concrete column, and the number of the support column structures is not less than two;
the upper column pier is arranged above the basement bottom plate and surrounds the outer side of the steel pipe concrete column;
the lower column pier is arranged in the basement bottom plate and surrounds the outer side of the steel pipe concrete column;
the anti-punching structure is located in the lower column pier and comprises an anti-punching bottom plate arranged in parallel to the basement bottom plate and anti-punching hanging ribs symmetrically fixed on the periphery of the anti-punching bottom plate.
Preferably, the pillar structure is a steel round pipe or square pipe structure.
Further preferably, when the number of the pillar structures is an even number, the pillar structures are arranged in the concrete filled steel tubular column in a matrix manner, and the adjacent pillar structures are connected through steel plates and are densely filled with concrete.
Further preferably, when the number of the strut structures is odd, the strut structures are arranged in the concrete-filled steel tubular column in a triangular shape.
Further preferably, the longitudinal section of the lower pier is a trapezoid with a large upper part and a small lower part.
Preferably, the number of the anti-cutting structures is at least one, and more than one anti-cutting structures are sequentially arranged in the lower column pier from top to bottom.
It is further preferred that the contour shape of one or more of the anti-shear structures is scaled down from bottom to top.
Further preferably, the pillar structure is connected with the uppermost anti-cutting bottom plate through a stud structure.
Further preferably, the number of the anti-cutting hanging ribs is two or more pairs.
Preferably, the height of the fixed end of the anti-cutting hanging rib connected with the anti-cutting bottom plate is lower than that of the free end of the anti-cutting hanging rib.
Further preferably, the angle between the anti-cutting hanging rib and the anti-cutting bottom plate is 120-150 °.
The utility model has the advantages and positive effects be:
1. the utility model discloses in, set up two at least pillar structures in concrete filled steel tubular column and be used for improving vertical bearing capacity, concrete filled steel tubular column compares in ordinary concrete column as vertical atress component, and concrete filled steel tubular column can accomplish littleer cross-section when providing the same vertical bearing capacity.
2. The utility model discloses in, but the column base of steel core concrete column adopts the mixed measure of upper column mound and lower column mound to design maximum reduction die-cut power, and the lower extreme of stand structure still links to each other with anti die-cut structure through the peg in addition, and anti die-cut structure is used for bearing the axle power that comes from stand structure, can further improve the vertical bearing capacity of stand structure, steel core concrete column.
3. In the utility model, the axial force of the strut structure is born by the anti-cutting bottom plate, and the anti-cutting hanging ribs can be selectively installed according to different punching forces of the strut structure, and when the punching force is smaller, only the anti-cutting bottom plate is adopted for anti-punching; when the punching force is larger, the anti-punching hanging ribs can be increased, and the punching force is further reduced.
4. The utility model discloses in, through column pier under the certain limit sets up around the steel core concrete column, keep the foundation plate position on rationally leaning on simultaneously, can satisfy the column base requirement like this, simultaneously can furthest's the big face of reduction reach the foundation ditch excavation degree of depth, improve the economic type.
5. The utility model discloses in, when the quantity of pillar structure is two or four, the pillar structure is the matrix and arranges in the steel core concrete column, and connects and closely knit with concrete placement through the steel sheet between the adjacent pillar structure, compact structure, vertical bearing capacity height.
6. The utility model discloses in, when the quantity of column structure was three, column structure was triangle-shaped and arranges in concrete filled steel tubular column, helped making the structure more stable.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic longitudinal sectional view of embodiment 2;
FIG. 2 is a schematic cross-sectional view showing the structure of example 2 when the number of the strut structures is two;
FIG. 3 is a schematic cross-sectional view showing the structure of example 2 when the number of the strut structures is four;
FIG. 4 is a schematic longitudinal sectional view showing the structure of embodiment 3;
fig. 5 is a schematic cross-sectional structure when the number of the strut structures is three in example 3.
In the figure: 1. the basement structure comprises a basement bottom plate, 2 upright post structures, 3 upper post piers, 4 lower post piers, 5 anti-impact cutting bottom plates, 6 anti-impact cutting hanging ribs and 7 steel plates.
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations. The present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses a technical scheme that the embodiment provided relates to a many pillar foundations of steel pipe concrete, relates to civil construction engineering technical field. According to relevant specification requirements, the embedded column base of the concrete filled steel tube column needs to be embedded in the foundation concrete for 2.5h (h is the length of the long edge of the concrete filled steel tube column), when the column size is larger, the embedding depth is larger, for example, the column size is 2000mmx2000mm, and according to the specification requirements, the length of the embedded foundation part is 5000 mm. However, the thickness of the basement floor is not 5000mm, and special treatment is needed to be performed on the column base, and in addition, when a plurality of pillars are arranged on the concrete filled steel tubular column at the deformation joint, the foundation structure of the plurality of pillars is more complicated. Based on this, the concrete filled steel tube multi-support column foundation provided by the technical scheme of the disclosure and internally provided with 2-4 or even more than 4 support columns adopts the embedded column base and the mixed measure of arranging the upper column pier and the lower column pier to reduce the shearing force to the greatest extent, and is suitable for wide application in the field of civil engineering and building engineering.
The utility model provides a many pillars of steel core concrete basis, includes the upright steel core concrete column on basement bottom plate 1, still includes: the support column structures 2 are poured in the steel pipe concrete column along the axial direction of the steel pipe concrete column, and the number of the support column structures 2 is not less than two; the upper column pier 3 is arranged above the basement bottom plate 1 and surrounds the outer side of the steel pipe concrete column; the lower column pier 4 is arranged in the basement bottom plate 1 and surrounds the outer side of the concrete-filled steel tube column; the anti-punching structure is located in the lower column pier 4 and comprises an anti-punching bottom plate 5 arranged parallel to the basement bottom plate 1 and anti-punching hanging ribs 6 symmetrically fixed on the periphery of the anti-punching bottom plate 5.
In this embodiment, as shown in fig. 1 to 5, in the technical scheme, at least two pillar structures 2 are arranged in the steel pipe concrete column to improve the vertical bearing capacity, and the steel pipe concrete column is used as a vertical stressed member. In addition, the column base of the steel tube concrete column is designed by adopting a mixed measure of an upper column pier and a lower column pier. Specifically, the method comprises the following steps: a lower column pier 4 is arranged in the basement bottom plate 1 and surrounds the outer side of the steel tube concrete column, an upper column pier 3 is arranged above the basement bottom plate 1 and surrounds the outer side of the steel tube concrete column, the lower end of a strut structure 2 is connected with an anti-impact cutting bottom plate 5 through a stud, the axial force of the strut structure 2 is borne by the anti-impact cutting bottom plate 5, anti-impact cutting hanging ribs 6 can be selectively installed according to different punching forces of the strut structure 2, and when the punching force is small, the anti-impact cutting bottom plate 5 is only adopted for resisting punching; when the punching force is larger, the anti-punching hanging ribs 6 can be increased, and the punching force is further reduced.
The utility model discloses in, the steel core concrete column compares in ordinary concrete column as vertical atress component, and the steel core concrete column can accomplish littleer cross-section when providing the same vertical bearing capacity. According to the characteristics of the concrete filled steel tubular column, the embedded column base and the mixed measure of the upper column pier and the lower column pier are adopted to reduce the punching force to the maximum degree, in addition, the lower end of the upright column structure is connected with the punching structure through the stud, the punching structure is used for bearing the axial force from the upright column structure, and the vertical bearing capacity of the upright column structure and the concrete filled steel tubular column can be further improved. The multifunctional concrete column can meet the requirements of realizing function diversification of high-rise buildings under the conditions of large load, large span and the like, effectively solve the problem that the concrete column occupies too large use area, and meet the dual requirements of building functions and beautifying the indoor space environment.
Specifically, the method comprises the following steps: when the basement bottom plate has the anti-floating requirement, anti-floating measures need to be taken, wherein the earth filling balance weight is an effective measure, and earth with a certain thickness is added on the basement bottom plate as the anti-floating measure. In addition, there is a drainage ditch or a cable duct above the basement bottom plate, and enough cushion layer thickness is reserved above the basement bottom plate. The two situations create conditions for arranging the upper column pier with a certain height around the concrete-filled steel tubular column.
In addition, according to the relevant standard requirements, the embedded column base of the steel pipe concrete column needs to be embedded in the foundation concrete for 2.5 hours, when the embedded depth of the steel pipe concrete column is large, if the upper column pier is independently arranged, the embedded depth of the foundation slab is deep, and therefore the difficulty and the cost of opening the foundation pit are greatly increased. According to the technical scheme, the lower column piers are arranged in a certain range around the steel pipe concrete column, and the foundation slab is kept at a reasonable upper position, so that the column base requirement can be met, the large-area excavation depth and the foundation pit excavation depth can be reduced to the maximum extent, and the economy is improved.
Further, in this embodiment, it is considered that the pillar structure 2 is a steel round pipe or a steel square pipe, and for example, the pillar structure is a steel square pipe.
Example 2:
For example: when the quantity of pillar structure 2 is the even number, pillar structure 2 is the matrix and arranges in the steel core concrete column, and connects and closely knit with concrete placement through steel sheet 7 between the adjacent pillar structure 2.
As shown in fig. 2, two steel square pipes are arranged in the concrete filled steel tubular column side by side, are connected through a steel plate 7 and are tightly poured by concrete, so that the vertical bearing capacity of the steel square pipes can be improved, the lower ends of the two steel square pipes are connected with an anti-cutting bottom plate 5 through studs respectively, the anti-cutting structure bears the axial force from the steel square pipes, and the steel square pipe is compact in structure and high in vertical bearing capacity.
As shown in fig. 3, four steel square pipes are arranged in the concrete-filled steel tubular column in a matrix manner, which is equivalent to two rows of the two steel square pipes (fig. 2), the vertical bearing capacity of the steel square pipes can be further improved, the lower ends of the four steel square pipes are respectively connected with the anti-cutting bottom plate 5 through the studs, the anti-cutting structure bears the axial force from the steel square pipes, and the concrete-filled steel tubular column is compact in structure and high in vertical bearing capacity.
Example 3:
For example: when the number of the strut structures 2 is odd, the strut structures 2 are arranged in the concrete-filled steel tube column in a triangular shape, as shown in fig. 4-5, three strut structures 2 are arranged in the concrete-filled steel tube column, and the triangular arrangement is helpful for enabling the structure to be more stable.
Further, in embodiment 1/2/3, it is considered that the lower pier 4 has a trapezoidal longitudinal section with a large upper part and a small lower part, which contributes to the reduction of the punching force.
It is further contemplated in embodiment 1/2/3 that the number of the anti-cutting structures is at least one and that more than one of the anti-cutting structures is arranged in sequence from top to bottom in the lower pier 4.
It is further contemplated in embodiment 1/2/3 that more than one of the die cut resistant structures may have a profile that is scaled down from the bottom to the top.
It is further considered in 1/2/3 that the pillar structure 2 is connected to the uppermost cut-resistant bottom plate 5 by a stud structure, the stud structure serves to enhance the bonding, the pillar structure is integrally cast in the concrete, as shown in fig. 1, in this embodiment, the number of the cut-resistant structures is two, the size of the cut-resistant structure on the upper side is smaller than that of the cut-resistant structure on the lower side, the cut-resistant bottom plate 5 on the lower side is located on the lower portion of the lower pillar 4, and the cut-resistant bottom plate 5 on the upper side is connected to the pillar structure 2 by the stud structure for bearing the axial force of the steel pipe concrete pillar and reducing the cut-resistant force.
It should be noted that, according to the relevant regulations in the technical code of high-rise civil building steel structure, the stud structure on the outer surface of the steel structure only plays a role in increasing the bonding with concrete and does not bear vertical force.
It is further contemplated in embodiment 1/2/3 that the number of anti-shear lifting ribs 6 is two or more pairs.
It is further contemplated in embodiment 1/2/3 that the fixed end of the anti-cutting hanging bar 6 connected to the anti-cutting bottom plate 5 has a height lower than the height of the free end of the anti-cutting hanging bar 6 and is disposed in an inclined manner, as shown in fig. 1, and the inclined direction and the inclined angle of the anti-cutting hanging bar 6 are the same as those of the lower end side of the lower pier.
It is further contemplated in embodiment 1/2/3 that the angle between the impact cut hanger bar 6 and the impact cut bottom panel 5 is between 120 ° and 150 °, preferably 135 °.
The working principle is as follows: at least two pillar structures 2 are arranged in the concrete-filled steel tubular column and used for improving vertical bearing capacity, the concrete-filled steel tubular column serves as a vertical stress member, and compared with a common concrete column, the concrete-filled steel tubular column can provide the same vertical bearing capacity and can achieve a smaller cross section. In addition, the column base of the steel tube concrete column is designed by adopting a mixed measure of an upper column pier and a lower column pier. Specifically, the method comprises the following steps: a lower column pier 4 is arranged in the basement bottom plate 1 and surrounds the outer side of the steel tube concrete column, an upper column pier 3 is arranged above the basement bottom plate 1 and surrounds the outer side of the steel tube concrete column, the lower end of a strut structure 2 is connected with an anti-impact cutting bottom plate 5 through a stud, the axial force of the strut structure 2 is borne by the anti-impact cutting bottom plate 5, anti-impact cutting hanging ribs 6 can be selectively installed according to different punching forces of the strut structure 2, and when the punching force is small, the anti-impact cutting bottom plate 5 is only adopted for resisting punching; when the punching force is larger, the anti-punching hanging ribs 6 can be increased, and the punching force is further reduced.
To sum up, the utility model provides an interior many pillar foundations of steel pipe concrete who establishes 2 ~ 4 pillars more than 4 even adopts to bury formula column base and set up the hybrid measure of upper column pier and lower column pier and come maximum reduction die-cut force.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a many pillars of steel core concrete basis, is including erecting the steel core concrete column on basement bottom plate, its characterized in that: further comprising:
the support column structure is poured in the steel pipe concrete column along the axial direction of the steel pipe concrete column, and the number of the support column structures is not less than two;
the upper column pier is arranged above the basement bottom plate and surrounds the outer side of the steel pipe concrete column;
the lower column pier is arranged in the basement bottom plate and surrounds the outer side of the steel pipe concrete column;
the anti-punching structure is located in the lower column pier and comprises an anti-punching bottom plate arranged in parallel to the basement bottom plate and anti-punching hanging ribs symmetrically fixed on the periphery of the anti-punching bottom plate.
2. The concrete filled steel tube multi-strut foundation as claimed in claim 1, wherein: when the quantity of pillar structure is the even number, pillar structure is the matrix and arranges in the steel core concrete column, and connects and closely knit with concrete placement through the steel sheet between the adjacent pillar structure.
3. The concrete filled steel tube multi-strut foundation as claimed in claim 1, wherein: when the number of the strut structures is odd, the strut structures are arranged in the concrete-filled steel tubular column in a triangular shape.
4. A concrete filled steel tube multi-leg foundation as claimed in claim 2 or 3, wherein: the longitudinal section of the lower column pier is in a trapezoid shape with a large upper part and a small lower part.
5. The concrete filled steel tube multi-strut foundation as claimed in claim 4, wherein: the number of the anti-cutting structures is at least one, and more than one anti-cutting structures are sequentially arranged in the lower column pier from top to bottom.
6. The concrete filled steel tube multi-strut foundation as claimed in claim 5, wherein: the outline shape of more than one punching-resistant structure is reduced in proportion from bottom to top.
7. The concrete filled steel tube multi-strut foundation as claimed in claim 6, wherein: the support column structure is connected with the anti-cutting bottom plate positioned at the uppermost part through a stud structure.
8. The concrete filled steel tube multi-strut foundation as claimed in claim 7, wherein: the number of the anti-cutting hanging ribs is two or more pairs.
9. The concrete filled steel tube multi-strut foundation as claimed in claim 8, wherein: the height of the fixed end of the anti-punching hanging rib connected with the anti-punching bottom plate is lower than that of the free end of the anti-punching hanging rib.
10. The concrete filled steel tube multi-strut foundation as claimed in claim 9, wherein: the included angle between the anti-cutting hanging rib and the anti-cutting bottom plate is 120-150 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220807309.1U CN217128295U (en) | 2022-04-06 | 2022-04-06 | Steel pipe concrete multi-support-column foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220807309.1U CN217128295U (en) | 2022-04-06 | 2022-04-06 | Steel pipe concrete multi-support-column foundation |
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| CN217128295U true CN217128295U (en) | 2022-08-05 |
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| CN202220807309.1U Active CN217128295U (en) | 2022-04-06 | 2022-04-06 | Steel pipe concrete multi-support-column foundation |
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- 2022-04-06 CN CN202220807309.1U patent/CN217128295U/en active Active
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