CN215367751U - Reserved structure of underground space - Google Patents
Reserved structure of underground space Download PDFInfo
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- CN215367751U CN215367751U CN202121663979.2U CN202121663979U CN215367751U CN 215367751 U CN215367751 U CN 215367751U CN 202121663979 U CN202121663979 U CN 202121663979U CN 215367751 U CN215367751 U CN 215367751U
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Abstract
The utility model discloses a reserved structure of an underground space, which comprises a frame support beam and a support column, wherein the support column is arranged on the frame support beam, and a large-span floor is arranged at the top of the support column; the connection form of the frame supporting beam and the supporting column comprises a first connection structure and a second connection structure; the first connecting structure comprises a first auxiliary piece, the first auxiliary piece is arranged in the middle along the length direction of the frame supporting beam, and the column longitudinal ribs of the supporting columns vertically extend upwards from the top surfaces of the frame supporting beam and the first auxiliary piece; the second connection structure comprises a second auxiliary piece, the second auxiliary piece is arranged along the length direction of the frame supporting beam and is deviated to one side of the frame supporting beam, and the column longitudinal ribs of the supporting columns extend upwards from the top surfaces of the frame supporting beam and the second auxiliary piece vertically. The reserved structure provided by the utility model is reasonable in structure and convenient and fast to construct, provides space for underground engineering construction, ensures the reliability of supporting and fixing the large-span floor system, and has good popularization value.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering, and relates to a reserved structure of an underground space.
Background
The underground engineering refers to underground civil engineering built deep below the ground to develop and utilize underground space resources. In building construction, due to the limitation of special geological conditions and working conditions, sufficient space needs to be provided for the construction of underground engineering so as to ensure construction conditions and realize high-quality construction; particularly, the supporting project with the large-span top cover is needed, and serious challenges are provided for the project construction.
Therefore, it is necessary to design a reserved structure of an underground space to solve the technical problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve at least part of technical problems in the prior art to a certain extent, provides a reserved structure of an underground space, has reasonable structure and convenient construction, provides space for underground engineering construction, ensures the reliability of supporting and fixing a large-span floor system, and has good popularization value.
In order to solve the technical problem, the reserved structure of the underground space comprises a frame support beam and a support column, wherein the support column is arranged on the frame support beam, and a large-span floor is arranged at the top of the support column; the connection form of the frame supporting beam and the supporting column comprises a first connection structure and a second connection structure which are arranged at intervals; the first connecting structure comprises a first auxiliary piece, the first auxiliary piece is arranged in the middle along the length direction of the frame supporting beam, and the column longitudinal ribs of the supporting columns vertically extend upwards from the top surfaces of the frame supporting beam and the first auxiliary piece; the second connection structure comprises a second auxiliary part, the second auxiliary part is arranged along the length direction of the frame supporting beam and is deviated to one side of the frame supporting beam, and the column longitudinal ribs of the supporting columns extend upwards from the top surfaces of the frame supporting beam and the second auxiliary part vertically.
As the preferred embodiment, the large-span floor is formed by welding sectional beams.
In a preferred embodiment, the column longitudinal bar is connected to the upper portions of the first auxiliary member and the second auxiliary member through a reinforcing sleeve.
In a preferred embodiment, the first auxiliary member and the second auxiliary member are formed of steel.
In a preferred embodiment, the first auxiliary member and the second auxiliary member are i-shaped steel, and reinforcing plates are arranged on two sides of the i-shaped steel.
As a preferred embodiment, the thickness of the reinforcing plate is 20-30 mm.
As a preferred embodiment, I-shaped steel is used as the bone beam of the segmented beam, and the segmented beam is pre-installed through bolts and then welded and fixed into a whole.
As a preferred embodiment, the flatness of the top surface of the segmented beam is not more than 1 mm.
In a preferred embodiment, the longitudinal bars of the columns in the first connecting structure are in anchoring connection with the frame-supported beams, and the anchoring length of the longitudinal bars of the columns is not less than 1.2 times of the anchoring length of the reinforcing bars of the anti-seismic members.
In a preferred embodiment, the length of the straight anchor section for connecting the column longitudinal bar and the frame-supported beam in the second connecting structure in an anchoring manner is not less than 0.6 times of the anchoring length of the steel bar of the anti-seismic member, and the length of the bent anchor section for connecting the column longitudinal bar and the frame-supported beam in an anchoring manner is not less than 15 times of the diameter of the column longitudinal bar.
The utility model has the beneficial effects that:
the reserved structure of the underground space provided by the utility model is reasonable in structure and convenient and fast to construct, provides space for underground engineering construction, ensures the reliability of supporting and fixing the large-span floor system, and has good popularization value.
Drawings
The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description set forth below when taken in conjunction with the drawings, which are intended to be illustrative, not limiting, of the utility model and in which:
FIG. 1 is a schematic structural view of a reserved structure of an underground space according to the present invention;
FIG. 2 is a cross-sectional view of the subterranean space corresponding to FIG. 1;
FIG. 3 is a schematic view of a first connection configuration of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of a second connection configuration according to the present invention;
fig. 6 is a sectional view of B-B in fig. 5.
In the drawings, the reference numerals denote the following components:
10. framing and supporting a beam;
20. a support pillar; 20a column longitudinal bar;
30. a large-span floor;
40a. a first auxiliary; 40b. a second auxiliary;
41. a first connecting structure;
42. a second connecting structure.
Detailed Description
Fig. 1 to 6 are related schematic views of a reserved structure of an underground space according to the present application, and the present invention will be described in detail below with reference to specific embodiments and accompanying drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the utility model. Like reference numerals are used to denote like parts.
The utility model discloses a schematic structural diagram of a reserved structure of an underground space, which is shown in figures 1 to 2. The reserved structure of the underground space comprises a frame support beam 10 and a support column 20, wherein the support column 20 is arranged on the frame support beam 10, and a large-span floor 30 is arranged at the top of the support column 20.
Further, the connection form of the frame supporting beam 10 and the supporting column 20 includes a first connection structure 41 and a second connection structure 42, which are arranged at an interval; the first connecting structure 41 includes a first auxiliary component 40a, as shown in fig. 3 and 4, the first auxiliary component 40a is disposed centrally along the length direction of the frame support beam 10, and the column longitudinal rib 20a of the support column 20 is vertically extended upward from the top surfaces of the frame support beam 10 and the first auxiliary component 40a. In the embodiment shown in fig. 1, the connection between the frame support beam 10 and the support column 20 using the first connection structure 41 is encircled by a dashed line.
Fig. 5 and 6 are schematic diagrams of the second connection structure according to the present invention, in which the second connection structure 42 includes a second auxiliary member 40b, the second auxiliary member 40b is disposed along the length direction of the frame support beam 10 and is biased to one side of the frame support beam 10, and the vertical column rib 20a of the support column 20 is vertically extended upward from the top surfaces of the frame support beam 10 and the second auxiliary member 40b.
In the utility model, the large-span floor 30 is formed by welding sectional beams. The sectional beam uses I-steel as a bone beam, and is pre-installed through bolts and then welded and fixed into a whole.
Preferably, the flatness of the top surface of the segmented beam is not more than 1mm, so that the construction quality is guaranteed.
In an embodiment of the present invention, the column longitudinal bar 20a is connected to the upper portions of the first auxiliary 40a and the second auxiliary 40b through a reinforcing sleeve.
Further, the first auxiliary 40a and the second auxiliary 40b are formed of steel. The first auxiliary member 40a and the second auxiliary member 40b are i-shaped steel, and reinforcing plates are arranged on both sides of the i-shaped steel. Preferably, the thickness of the reinforcing plate is 20-30 mm.
Further, the column longitudinal bar 20a in the first connecting structure 41 is in anchoring connection with the frame supporting beam 10, as shown in fig. 4, and the anchoring length thereof is not less than 1.2 times of the reinforcing bar anchoring length of the anti-seismic member. The reinforcement anchoring length of the seismic structural member may be represented by LaE, that is, the anchoring length of the vertical column reinforcement 20a and the frame support beam 10 in the first connecting structure 41 is not less than 1.2 LaE.
The length of the straight anchor section of the second connecting structure 42, in which the vertical column rib 20a is connected to the frame beam 10, is not less than 0.6 times the anchoring length of the steel bar of the anti-seismic member, and as shown in fig. 6, the length of the bent anchor section of the vertical column rib 20a, in which the vertical column rib 20a is connected to the frame beam 10, is not less than 15 times the diameter of the vertical column rib 20a.
Compared with the defects and shortcomings of the prior art, the reserved structure for the underground space is reasonable in structure and convenient and fast to construct, provides space for underground engineering construction, ensures the reliability of supporting and fixing of the large-span floor system, and has good popularization value.
The present invention is not limited to the above embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which are the same as or similar to the technical solutions of the present invention, fall within the protection scope of the present invention.
Claims (10)
1. The reserved structure of the underground space is characterized by comprising a frame support beam and a support column, wherein the support column is arranged on the frame support beam, and a large-span floor is configured at the top of the support column; the connection form of the frame supporting beam and the supporting column comprises a first connection structure and a second connection structure which are arranged at intervals; the first connecting structure comprises a first auxiliary piece, the first auxiliary piece is arranged in the middle along the length direction of the frame supporting beam, and the column longitudinal ribs of the supporting columns vertically extend upwards from the top surfaces of the frame supporting beam and the first auxiliary piece; the second connection structure comprises a second auxiliary part, the second auxiliary part is arranged along the length direction of the frame supporting beam and is deviated to one side of the frame supporting beam, and the column longitudinal ribs of the supporting columns extend upwards from the top surfaces of the frame supporting beam and the second auxiliary part vertically.
2. A reserved structure of an underground space as claimed in claim 1, wherein the large-span floor is formed by welding sectional beams.
3. A reserved structure of an underground space as claimed in claim 1, wherein the column longitudinal bar is connected to the upper portions of the first and second auxiliary members through a reinforcing sleeve.
4. A reserved structure of an underground space according to claim 3, characterized in that the first and second auxiliary members are section steel.
5. A reserved structure of an underground space as claimed in claim 4, wherein the first and second auxiliary members are I-shaped steel, and reinforcing plates are arranged on two sides of the I-shaped steel.
6. A reserved structure of underground space according to claim 5, characterized in that the thickness of the reinforcing plate is 20-30 mm.
7. A reserved structure of an underground space as claimed in claim 2, wherein the sectional beams use i-beams as the bone beams, and are pre-installed through bolts and then welded and fixed into a whole.
8. A reserved structure of underground space according to claim 7, characterized in that the flatness of the top surface of the sectional beam is not more than 1 mm.
9. A reserved structure of an underground space as claimed in claim 1, wherein the longitudinal bars of the columns in the first connection structure are connected with the frame-supported beams in an anchoring manner, and the anchoring length of the longitudinal bars of the columns is not less than 1.2 times of that of the reinforcing bars of the anti-seismic members.
10. A reserved structure of an underground space as claimed in claim 1, wherein the length of the straight anchoring section for anchoring and connecting the vertical column reinforcement and the frame and support beam in the second connection structure is not less than 0.6 times of the reinforcement anchoring length of the anti-seismic member, and the length of the bent anchoring section for anchoring and connecting the vertical column reinforcement and the frame and support beam is not less than 15 times of the diameter of the vertical column reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121663979.2U CN215367751U (en) | 2021-07-21 | 2021-07-21 | Reserved structure of underground space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121663979.2U CN215367751U (en) | 2021-07-21 | 2021-07-21 | Reserved structure of underground space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215367751U true CN215367751U (en) | 2021-12-31 |
Family
ID=79610716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121663979.2U Active CN215367751U (en) | 2021-07-21 | 2021-07-21 | Reserved structure of underground space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215367751U (en) |
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2021
- 2021-07-21 CN CN202121663979.2U patent/CN215367751U/en active Active
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