CN215211157U

CN215211157U - Support column for underground

Info

Publication number: CN215211157U
Application number: CN202022902703.7U
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-05
Filing date: 2020-12-05
Publication date: 2021-12-17
Anticipated expiration: 2030-12-05

Abstract

The utility model discloses an underground support column, the lateral wall of support column has the locating surface of buckling, the locating surface of buckling and the lateral wall at least part looks adaptation of adjacent building envelope structure, the top and/or the bottom and/or the lateral wall of support column have external installation department. The utility model discloses a lateral wall at the support column sets up the locating surface of buckling, and the locating surface of buckling and adjacent building envelope looks adaptation, realizes the installation location of support column when the underground use, realizes the butt joint of support column and adjacent building envelope simultaneously, guarantees the bearing capacity of underground structure through setting up the support column, guarantees the overall structure intensity of underground structure, sets up external installation department through top and/or bottom and/or the lateral wall at the support column, realizes being connected of support column and prefabricated component.

Description

Support column for underground

Technical Field

The utility model relates to a prefabricated component technical field is used underground, specifically is a support column is used underground.

Background

The fabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode.

The prefabricated structure becomes one of the important directions of building structure development, compares in cast-in-place concrete structure, and the prefabricated structure has that the structure quality easily guarantees, and on-the-spot equipment convenient and fast can effectively promote production efficiency, and the great degree reduces building rubbish, has better economic environmental benefit. At present, most of the fabricated structures are applied to the above-ground building structures, and the fabricated structures are relatively rarely applied to the underground structures because the underground structures put higher requirements on waterproof control and the assembling process. The support column is a main structural member in the fabricated building, the existing support column is mainly used for construction of overground buildings, and the support column is difficult to be used for construction of underground structures.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support column is used underground to solve the support column and be difficult to the problem that is used for the underground structure to construct.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an underground support column, the lateral wall of support column has the locating surface of buckling, the locating surface of buckling and adjacent building envelope structure's lateral wall at least part looks adaptation, the top and/or the bottom and/or the lateral wall of support column have external installation department.

Preferably, one side wall of the supporting column is provided with a bending positioning surface; or, two adjacent side walls of the support column are respectively provided with a bending positioning surface; or, two opposite sides of the supporting column are respectively provided with a bending positioning surface.

Preferably, the surface roughness of the bending positioning surface is less than or equal to the surface roughness of the rest side walls; and/or the surface hardness of the bending positioning surface is more than or equal to that of the rest side walls.

Preferably, the bending positioning surface has at least one concave section and/or convex section, and the supporting column is formed with at least one curved section that is concave towards the supporting column on the same side wall that is provided with the bending positioning surface.

Preferably, the concrete strength grade of the support column is greater than or equal to that of the adjacent building enclosing structure.

Preferably, the wall thickness of the support column is greater than the wall thickness of the building envelope structure.

Preferably, the external installation part is used for connecting the support column and the prefabricated component, and the prefabricated component is one or a combination of a plurality of prefabricated columns, prefabricated walls, prefabricated beams, prefabricated piles, prefabricated plates and prefabricated blocks.

Preferably, the external installation part comprises end plates arranged at the top end and/or the bottom end of the support column, and when the support column is spliced with the prefabricated parts, the end plates of the support column are butted with the end plates at the end parts of the other prefabricated parts; preferably, two adjacent end plates are welded and fixed; preferably, an anti-corrosion sealing layer is arranged between two adjacent end plates; preferably, when two adjacent support columns are spliced, two adjacent end head plates are axially butted by the hoop.

Preferably, the external mounting part comprises a plurality of embedded parts distributed at intervals on the top end and/or the bottom end and/or the side wall of the supporting column.

Preferably, the embedded parts are embedded nuts, embedded metal plates, anchoring ribs and the like; preferably, the embedded part is connected and fixed with the built-in framework of the supporting column.

The utility model provides an underground support column, the lateral wall of support column has the bending positioning face, the bending positioning face is adapted with the adjacent enclosure structure, the top and/or bottom and/or lateral wall of support column has external installation department; the utility model discloses a lateral wall at the support column sets up the locating surface of buckling, and buckle the locating surface and adjacent containment structure looks adaptation, realize the installation location of support column when underground uses, realize the butt joint of support column and adjacent containment structure simultaneously, guarantee the bearing capacity of underground structure through setting up the support column, guarantee underground structure's overall structure intensity, set up external installation department through top and/or bottom and/or the lateral wall at the support column, realize being connected of support column and other prefabricated component, so that form complete underground structure.

Drawings

FIG. 1 is a schematic structural view of a support column for underground use;

FIG. 2 is a top plan view of another underground support column;

FIG. 3 is a schematic diagram of a further underground support column;

FIG. 4 is a schematic view of the connection structure of two adjacent lower support pillars;

FIG. 5 is a schematic view of another connection structure of two adjacent underground supporting columns;

fig. 6 is a schematic structural diagram of an embedded part disclosed by the present invention;

fig. 7 is the utility model discloses a combined structure sketch map of support column and envelope structure and prefabricated component.

In the figure: 1. a support pillar; 2. a building enclosure structure member; 3. a recessed section; 4. a convex section; 5. bending; 6. a stress rib; 7. an end plate; 8. hooping; 9. embedding parts; 91. a first nut fitting; 92. inserting a rod; 93. a second nut fitting; 94. a drop-out prevention mechanism; 10. and (4) prefabricating the component.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

In this specification, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be construed as absolutely limiting the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

As shown in fig. 1-7, in the support column for underground use provided by the present invention, the side wall of the support column 1 has a bending positioning surface, the bending positioning surface is at least partially adapted to the side wall of the adjacent building enclosing structure 2, and the top end and/or the bottom end and/or the side wall of the support column 1 has an external mounting portion; wherein a plurality of support columns 1 are combined with the building envelope structure 2 to form an underground structure.

In the in-service use process, the utility model discloses a lateral wall at support column 1 sets up the locating surface of buckling, and buckle the locating surface and adjacent containment structure 2 looks adaptation, realize the installation location of support column 1 when the underground use, realize support column 1 and adjacent containment structure 2's butt joint simultaneously, through setting up the bearing capacity that support column 1 guaranteed underground structure, guarantee underground structure's overall structure intensity, through top and/or bottom and/or lateral wall at support column 1 and set up external installation department, realize being connected of support column 1 and prefabricated component 10, so that form complete underground structure.

Further, in order to realize the connection between the support pillar 1 and the adjacent building envelope structure 2, as shown in fig. 1, two opposite sides of the support pillar 1 are respectively provided with a bending positioning surface; alternatively, as shown in fig. 3, a side wall of the supporting column 1 has a bending positioning surface; or, as shown in fig. 2, two adjacent side walls of the supporting column 1 are respectively provided with a bending positioning surface; the positions and the number of the bending positioning surfaces are not limited to the above positions, and the bending positioning surfaces are produced according to actual requirements.

Further, in order to facilitate the butt joint of the support column 1 and the adjacent enclosure structure 2 and ensure the normal construction and use of the support column 1 or the enclosure structure 2, the surface roughness of the bending positioning surface is less than or equal to the surface roughness of the other side walls, so that the excessive friction resistance between the support column 1 and the adjacent enclosure structure 2 is prevented, the implantation of the support column 1 or the adjacent enclosure structure 2 is facilitated by reducing the friction force, and meanwhile, the phenomenon that the concrete layer of the support column 1 or the enclosure structure 2 falls off and is damaged or the support column 1 or the enclosure structure 2 is difficult to sink into the soil body due to the excessive friction resistance is prevented. Or the surface hardness of the bending positioning surface is more than or equal to that of the rest side walls, so that the structural strength of the side part of the support column 1 and the enclosing structural member 2 for realizing butt joint is increased, the overall structural strength of the support column 1 is ensured, the support column 1 is prevented from being damaged in the underground implantation process, and the normal construction and use of the support column 1 are ensured.

Furthermore, the support columns 1, the building envelope structural part 2 and the prefabricated part 10 are all concrete products, and the interiors of the support columns, the building envelope structural part and the prefabricated part are all provided with frameworks as support stress structures, wherein the frameworks are mostly rigid frameworks which comprise stress bars 6 and spiral bars arranged around the stress bars 6; wherein, the surface hardness of the locating surface of buckling more than or equal to the surface hardness of all the other lateral walls can be realized through multiple approaches, for example, increase the stress bar 6 density that support column 1 was equipped with the lateral wall of the locating surface of buckling, perhaps the lateral wall that is provided with the locating surface of buckling at support column 1 sets up the rigidity inoxidizing coating (not drawn in the picture), the rigidity inoxidizing coating can be pre-buried in the lateral part of support column 1 and pour the shaping with support column 1 an organic whole, also can be fixed in the lateral part of support column 1 through modes such as spiro union, the rigidity inoxidizing coating protects the lateral part of support column 1, avoid support column 1 concrete layer to drop and damage, guarantee the normal construction and the use of support column 1. It is to be understood that the support columns 1, the building envelope structures 2 and the prefabricated units 10 may be steel members or concrete and steel structure combined members.

Other forms of preventing damage to the support post 1 are of course possible, such as: the same side wall of the support column 1 provided with the bending positioning surface is provided with at least one bending section 5 which is inwards concave towards the support column 1, the enclosure structural part 2 connected with the support column 1 is provided with the bending section 5 which is inwards concave towards the enclosure structural part 2 and corresponds to the bending section 5 on the support column 1, and a certain gap is provided between the support column 1 and the adjacent enclosure structural part 2 by arranging the corresponding bending section 5, so that the wall surfaces of the support column 1 and the adjacent enclosure structural part 2 are not in direct contact in the implantation process, friction is reduced, implantation of the support column 1 or the enclosure structural part 2 is facilitated, the phenomenon that the concrete layer of the support column 1 or the enclosure structural part 2 falls off and is damaged or the support column 1 or the enclosure structural part 2 is difficult to sink into the soil body due to overlarge friction resistance is prevented, and normal construction and use of the support column 1 or the enclosure structural part 2 are ensured.

Further, in order to realize effective butt joint of the support column 1 and the adjacent enclosure structure member 2, the bending positioning surface is provided with at least one concave section 3 and/or convex section 4, the enclosure structure member 2 connected with the support column 1 is provided with the convex section 4 or concave section 3 corresponding to the concave section 3 or convex section 4 of the support column 1 so as to realize concave-convex matching of the support column 1 and the enclosure structure member 2 and realize effective butt joint of the support column 1 and the enclosure structure member 2, wherein the concave section 3 or convex section 4 can be T-shaped, trapezoidal, triangular and the like, and is not particularly limited, and the shape of the concave section 3 is substantially the same as that of the convex section 4; the number of the concave sections 3 or the convex sections 4 can also be multiple, and is selected according to actual requirements.

Further, in order to ensure the bearing capacity of the underground structure and the overall structural strength of the underground structure, the concrete strength grade of the support column 1 is greater than or equal to that of the adjacent building enclosing structure 2, so that the structural strength of the support column 1 is enhanced, and the overall structural strength of the underground structure is enhanced; in addition, in order to further improve the overall structural strength and the bearing capacity of the underground structure, the wall thickness of the support column 1 is greater than that of the building envelope structural part 2, the section perimeter of the support column 1 is increased by increasing the wall thickness of the support column 1, the contact area of the support column 1 and a soil layer is increased, and therefore the limit side frictional resistance of the support column 1 in the soil layer is increased, the vertical bearing capacity of the support column 1 is improved, and the overall bearing capacity of the underground structure is guaranteed.

Further, in order to ensure that the support column 1 is connected with the building envelope structural member 2 or other components to form a complete underground structure, the top end and/or the bottom end and/or the side wall of the support column 1 are/is provided with an external installation part which is used for connecting the support column 1 with a prefabricated component, and the prefabricated component is one or a combination of a plurality of prefabricated columns, prefabricated walls, prefabricated beams, prefabricated piles, prefabricated plates and prefabricated blocks; the precast pile can be a T-shaped pile, a tubular pile, a square pile, a triangular pile, a polygonal pile and the like, and the precast member can be a constant-section precast member or a variable-section precast member, is not limited specifically, and is selected according to actual use conditions.

Further, as shown in fig. 4-5, the external mounting part includes an end plate 7 disposed at the top end and/or the bottom end of the supporting column 1, when the supporting column 1 is spliced with the prefabricated component 10, the end plate of the supporting column 1 is butted with the end plate 7 at the end of another prefabricated component 10, wherein a pre-stressed hole (not shown in the figure) for the stress bar 6 to pass through and reversely clamp is disposed on the end plate 7, and the end plate 7 is connected with the stress bar 6 by disposing the pre-stressed hole, so that the end plate 7 is connected with the supporting column 1 or the prefabricated component 10; in order to realize the butt joint of the support column 1 or the prefabricated part 10, the butt joint between the end plates 7 of the support column 1 or the prefabricated part 10 is only needed. Wherein, the two adjacent end plates 7 can be fixed by welding; in order to ensure the connection reliability of the support column 1 and the prefabricated part 10, an anti-corrosion sealing layer (not shown in the figure) is arranged between the two adjacent end plates 7 and is used for preventing the corrosion damage of the internal framework of the support column 1 or the prefabricated part 10 caused by water or other corrosive substances, prolonging the service life of the support column 1 or the prefabricated part 10 and ensuring the structural strength of the support column 1 or the prefabricated part 10; it will be appreciated that when the two abutting prefabricated elements 10 are the same element, the two adjacent end panels 7 may adopt other forms of connection, for example: when two adjacent support columns 1 are spliced, two adjacent end plates 7 are axially butted by the hoop 8. The butt joint of the end plates 7 is adopted, the butt joint is mainly used for the butt joint of two adjacent prefabricated parts 10 along the vertical direction, and the butt joint can also be used for the transverse butt joint, and is determined according to actual requirements. The prefabricated member 10, the support pillar 1 and the envelope structure 2 may be members of the same structure, or members of different structures, specifically according to the specific requirements of the underground structure.

Further, in order to realize the quick and effective butt joint of the support column 1 and the building envelope structure 2 or the prefabricated part 10, the external installation part comprises a plurality of embedded parts 9 distributed at intervals on the top end and/or the bottom end and/or the side wall of the support column 1, wherein the embedded parts 9 can be used for realizing the vertical and/or transverse butt joint of the support column 1 and the building envelope structure 2 or the prefabricated part 10.

Further, the embedded parts 9 are embedded nuts, embedded metal plates, anchoring ribs and the like; in order to improve the reliability of the connection between the embedded part 9 and the supporting column 1, the embedded part 9 is fixedly connected with a built-in framework of the supporting column 1; in order to increase the connection strength between the embedded part 9 and the supporting column 1, at least part of the embedded part 9 extends into the supporting column 1 and is fixedly connected with the framework of the supporting column 1, and preferably, one or a combination of several of bundling, welding, clamping, bonding and screwing is adopted. It is understood that the embedded parts 9 can also be arranged at corresponding positions of the building envelope 2 or the prefabricated part 10 so as to complete the connection of the building envelope 2 or the prefabricated part 10 with the support column 1.

Further, one of the structures of the embedded parts 9 is shown in fig. 6, here, taking the vertical butt joint of the supporting column 1 and the supporting column 1 as an example, the embedded part 9 includes a first nut joint 91 located at the top end and/or the bottom end of the supporting column 1 and an insert rod 92 connected to the first nut joint 91, the first nut joint 91 is connected with the stress bar 6 located in the inner frame of the supporting column 1 in a one-to-one correspondence manner, and also includes a second nut joint 93 located at the top end and/or the bottom end of another supporting column 1 and a disengagement preventing mechanism 94 arranged in the second nut joint 93, the second nut joint 93 is connected with the stress bar 6 located in the supporting column 1 in a one-to-one correspondence manner, the insertion rod 92 can penetrate through the anti-slip mechanism 94 and is reversely clamped with the anti-slip mechanism 94, so that the first nut joint 91 is butted with the second nut joint 93, and vertical butting of two adjacent supporting columns 1 is realized. It is understood that the embedded part 9 is not limited to the above structure, and may be various and mostly in the prior art, and will not be described herein again.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an underground support column, its characterized in that, the lateral wall of support column has the locating surface of buckling, the locating surface of buckling and the lateral wall at least part looks adaptation of adjacent building envelope structure, the top and/or the bottom and/or the lateral wall of support column have external installation department, the locating surface of buckling coats and is stamped the rigidity inoxidizing coating.

2. A support post for underground use according to claim 1, wherein a side wall of the support post has a bending positioning surface;

or, two adjacent side walls of the support column are respectively provided with a bending positioning surface;

or, two opposite sides of the supporting column are respectively provided with a bending positioning surface.

3. A support post for underground use according to claim 2, wherein the surface roughness of the bending positioning surface is less than or equal to the surface roughness of the remaining side walls;

and/or the surface hardness of the bending positioning surface is more than or equal to that of the rest side walls.

4. A supporting column for underground use according to claim 2, wherein the bending positioning surface has at least one concave section and/or convex section, and the supporting column is formed with at least one curved section concave inwards towards the supporting column on the same side wall where the bending positioning surface is arranged.

5. An underground prop according to claim 1, wherein the concrete strength rating of the prop is greater than or equal to the concrete strength rating of the adjacent enclosing structure.

6. A post according to claim 5, wherein the wall thickness of the post is greater than the wall thickness of the envelope.

7. The underground supporting column as claimed in claim 1, wherein the external mounting part is used for connecting the supporting column with a prefabricated component, and the prefabricated component is one or a combination of several prefabricated columns, prefabricated walls, prefabricated beams, prefabricated piles, prefabricated plates and prefabricated blocks.

8. A support post for underground use according to claim 7, wherein the external mounting portion comprises an end plate provided at the top end and/or the bottom end of the support post, the end plate of the support post abutting against the end plate of the other prefabricated member when the support post is spliced with the prefabricated members;

the adjacent two end head plates are welded and fixed;

an anti-corrosion sealing layer is arranged between two adjacent end plates;

when two adjacent support columns are spliced, two adjacent end plates are axially butted by the hoop.

9. The underground supporting post of claim 7, wherein the external mounting portion comprises a plurality of embedded parts spaced apart from each other at the top end and/or the bottom end and/or the side wall of the supporting post.

10. The underground supporting pillar according to claim 9, wherein the embedded parts are embedded nuts, embedded metal plates, anchoring ribs and the like;

the embedded part is fixedly connected with the built-in framework of the supporting column.