CN218508451U

CN218508451U - Universal component for foundation pit assembled inner support

Info

Publication number: CN218508451U
Application number: CN202222453052.7U
Authority: CN
Inventors: 杨静明
Original assignee: Suzhou Huazao Architectural Design Co ltd
Current assignee: Suzhou Huazao Architectural Design Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-02-21
Anticipated expiration: 2032-09-16

Abstract

The utility model provides a general component of support in foundation ditch assembled, including a plurality of bodies, the both ends of body all are provided with the connecting piece, and are adjacent form the general piece that is used for the horizontal beam to use or vertical post to use through the fixed back of mounting between the corresponding connecting piece of body, the body includes inner ring pipe and surrounding layer, the surrounding layer parcel is in the outside of inner ring pipe, the end plate sets up in the outside of surrounding layer. The utility model discloses can be used as horizontal beam and vertical post, after the foundation ditch completion, demolish general, repeatedly usable.

Description

Universal member for foundation pit assembled inner support

Technical Field

The utility model belongs to the technical field of building structure engineering, especially, relate to a general component of support in foundation ditch assembled.

Background

Before the construction of the building engineering, the soil pit is excavated at the designed position of the foundation according to the elevation of the foundation and the plane size of the foundation, namely the foundation pit, the deformation of the pit wall of the foundation pit must be ensured, the collapse is avoided, the safety of constructors and the stability of the whole construction process are ensured, the rapid development of the urbanization construction of China in the present year is realized, the quantity of building groups is increased, the foundation pit is pulled out from the ground, the deeper the foundation pit is excavated, the larger the excavation is, the higher the requirement on the support is, and the difficulty is increased.

The existing foundation pit basically adopts a cast-in-place reinforced concrete inner support, and the cast-in-place reinforced concrete inner support has the defects that the construction period is long, all supporting structures need to be chiseled away after the foundation pit is finished, so that materials are wasted, and the environment is greatly damaged.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims at providing a general component of support in foundation ditch assembled can be used as horizontal beam and vertical post, after the foundation ditch completion, demolishs general, repeatedly usable.

In order to realize the above-mentioned purpose, the utility model provides a general component of support in foundation ditch assembled, including a plurality of bodies, the both ends of body all are provided with the connecting piece, and are adjacent form the commonality that is used for the horizontal beam to use or vertical post to use through the fixed back of mounting between the corresponding connecting piece of body, the body includes interior ring canal and surrounding layer, the surrounding layer parcel is in the outside of interior ring canal, the end plate sets up in the outside of surrounding layer.

Preferably, the outer cladding is a circular round steel plate.

Preferably, the connecting member is a flange plate with bolt holes.

Preferably, the flange plate is a flange connecting ring type steel plate.

Preferably, the fixing member is a bolt.

Preferably, the inner ring pipe is a high-strength prestressed concrete hollow ring pipe.

Preferably, the inner ring pipe is internally provided with prestressed steel bars which are low-relaxation spiral groove steel rods.

Preferably, the concrete grade of the inner collar is not less than C60.

Preferably, the outer end faces of the connecting pieces are flush with the end faces of the bodies, and after the adjacent connecting pieces are fixed through fixing pieces, the end faces of the adjacent bodies are abutted.

Preferably, the flange plate comprises a ring-shaped arm fixed on the outer layer and an end plate vertically arranged on the edge of the ring-shaped arm, and the end plate is provided with a plurality of bolt holes in a ring array.

Compared with the prior art, through the utility model discloses an implement, reached following obvious technological effect:

the outer cladding layer of the utility model can not only improve the tensile and compressive bearing capacity of the structural member, but also protect the structural member from being damaged in the transportation process; the flange plates are mechanically connected through bolts, so that rigid connection can be realized, and the assembly and disassembly are convenient; the high-strength prestressed concrete annular pipe is adopted in the concrete, so that the using amount of concrete is reduced, and the compressive strength of the concrete is improved. When the two materials are combined together, namely the steel pipe concrete member, three-dimensional stress is formed when the steel pipe concrete member is compressed, and the compression resistance of the member can be greatly improved; when the steel pipe is pulled, the prestress and the steel pipe can fully exert the tensile function of the member. The high-strength prestressed steel pipe member also reduces the self weight of the member and saves materials.

The conception and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, features and effects of the present invention.

Drawings

Fig. 1 is a schematic structural diagram of a general member of a fabricated inner support of a foundation pit according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a universal member of a fabricated foundation pit inner support according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a connection member of a universal member of a foundation pit fabricated inner support according to an embodiment of the present invention.

The reference numbers in the figures are: 1. the outer cladding layer, 2, prestressed reinforcements, 3, bolt stirrups, 4, an inner ring pipe, 5 an inner ring pipe, 6, the outer diameter of a universal part, 7, the inner diameter of a core of the universal part, 8, a prestressed tension anchoring end, 9, a bolt reinforcing hoop range at two ends, 10, a middle bolt hoop range, 11 and the length of the universal part.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

The utility model provides a general component of support in foundation ditch assembled, includes a plurality of bodies, the both ends of body all are provided with the connecting piece, and are adjacent form the general piece that is used for the horizontal beam to use or vertical post to use after fixed through the mounting between the corresponding connecting piece 5 of body, the body includes inner ring pipe 4 and surrounding layer 1, surrounding layer 1 parcel is in the outside of inner ring pipe 4, the end plate sets up in the outside of surrounding layer 1.

This application is when concrete implementation, the diameter of general piece is not less than 600mm, the thickness of connecting piece is not less than 20mm, and will be adjacent when the mounting the corresponding connecting piece of body is fixed with its assembly back, forms general piece, according to the user demand of foundation ditch, selects to use for horizontal beam or vertical post.

Preferably, the outer end face of the connecting piece 5 is flush with the end face of the body, and after the adjacent connecting pieces 5 are fixed by a fixing piece, the end faces of the adjacent bodies are abutted.

Preferably, the outer cladding 1 is a circular round steel plate.

In the specific implementation of the present application, the thickness of the outer cladding layer can be determined by calculation, and is usually 6mm, and the diameter can be 600mm to 1200mm, and is usually 800mm.

Preferably, the connecting member 5 is a flange plate with bolt holes.

In a specific embodiment of the present application, the thickness of the flange plate is not less than 20mm.

More specifically, the thickness of the flange plate is 20 to 40mm, and is generally 25mm.

Preferably, the flange plate is a flange-connected ring-shaped steel plate.

Preferably, the flange plate comprises a ring-shaped arm fixed on the outer layer and an end plate vertically arranged on the edge of the ring-shaped arm, and the end plate is provided with a plurality of bolt holes in a ring-shaped array.

When the method is specifically implemented, the diameter of the end plate is not less than 760mm, and the diameter of the bolt hole ranges from 22.5 mm to 29.5mm.

More specifically, the diameter of the bolt hole is 25.5mm.

Preferably, the fixing member is a bolt.

In the concrete implementation of the bolt, the length of the bolt is 21mm-28mm.

More specifically, the bolt length is 24mm.

Preferably, the inner annular tube 4 is a high-strength prestressed concrete hollow annular tube.

Preferably, a prestressed reinforcement 2 is arranged in the inner ring pipe 4, and the prestressed reinforcement 2 is a low-relaxation spiral groove steel bar.

Preferably, a bolt stirrup 3 is arranged in the inner ring tube 4.

Preferably, the concrete grade of the inner collar 4 is not less than C60.

When the concrete is implemented, the high-strength concrete can take C60-C120, the full length can take C80, the wall thickness can be determined by calculation, generally 150mm can be taken, and the diameter of the inner hollow can reach 500mm. The prestressed reinforcement can be a low-relaxation bolt slot steel bar, the diameter and the number of the prestressed reinforcement can be determined by calculation, the diameter is 12.6 to 22mm, and generally 18 steel bars are counted by 32 steel bars.

The outer cladding layer of the utility model can not only improve the tensile and compressive bearing capacity of the structural member, but also protect the structural member from being damaged in the transportation process; the flange plates are mechanically connected through bolts, so that rigid connection can be realized, and the assembly and disassembly are convenient; the high-strength prestressed concrete annular pipe is adopted in the concrete, so that the using amount of concrete is reduced, and the compressive strength of the concrete is improved. When the two materials are combined together, namely the steel pipe concrete member, three-dimensional stress is formed when the steel pipe concrete member is pressed, and the pressure resistance of the member can be greatly improved; when the steel pipe is pulled, the prestress and the steel pipe can fully exert the tensile function of the member. The high-strength prestressed steel pipe member also reduces the self weight of the member and saves materials.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the disclosure. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a general component of support in foundation ditch assembled, its characterized in that, includes a plurality of bodies, the both ends of body all are provided with the connecting piece, and are adjacent form the general piece that is used for the horizontal beam to use or vertical post to use after fixed through the mounting between the corresponding connecting piece of body, the body includes inner ring pipe and surrounding layer, the surrounding layer parcel is in the outside of inner ring pipe, the end plate sets up in the outside of surrounding layer.

2. The universal member for the fabricated foundation pit inner support of claim 1, wherein the outer covering is a circular steel plate.

3. The universal member for foundation pit fabricated internal support of claim 1, wherein the connecting member is a flange plate with bolt holes.

4. The universal member for the fabricated foundation pit inner support according to claim 3, wherein the flange plate is a flange connecting ring steel plate.

5. The universal member for an assembled inner support of a foundation pit as claimed in claim 1, wherein the fixing member is a bolt.

6. The universal member for an assembled inner support of a foundation pit as claimed in claim 1, wherein the inner ring pipe is a high-strength prestressed concrete hollow ring pipe.

7. The universal member for an assembled inner support of a foundation pit as claimed in claim 6, wherein a prestressed steel bar is arranged in the inner ring pipe, and the prestressed steel bar is a low-relaxation spiral groove steel bar.

8. The universal member for foundation pit fabricated internal support of claim 7, wherein the concrete grade of the inner collar is not less than C60.

9. The universal member for an assembled inner support of a foundation pit as claimed in claim 1, wherein the outer end faces of the connecting members are flush with the end faces of the bodies, and when the adjacent connecting members are fixed by the fixing members, the end faces of the adjacent bodies are in contact with each other.

10. The universal member for foundation pit assembled inner support of claim 4, wherein the flange plate comprises a ring-shaped arm for fixing to the outer cladding and an end plate vertically arranged on the edge of the ring-shaped arm, and the end plate is provided with a plurality of bolt holes in a ring-shaped array.