CN219508647U - Stiff column construction structure in cover-excavation construction process - Google Patents
Stiff column construction structure in cover-excavation construction process Download PDFInfo
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- CN219508647U CN219508647U CN202320498975.6U CN202320498975U CN219508647U CN 219508647 U CN219508647 U CN 219508647U CN 202320498975 U CN202320498975 U CN 202320498975U CN 219508647 U CN219508647 U CN 219508647U
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Abstract
The utility model relates to the technical field of engineering construction, in particular to a stiff column construction structure in a cover excavation construction process, which comprises a plurality of stiff columns, wherein stiff column steel structures are fixed in the stiff columns in a pre-buried mode, the stiff column construction structure further comprises a reinforcing component and a structural plate, the reinforcing component comprises a plurality of structural lattice columns arranged between the stiff column steel structures, and connecting section steel is fixed between two adjacent structural lattice columns and the stiff column steel structures in a full-welded mode; the structural plates provide a structural foundation for subsequent construction, and are fixedly arranged on the structural lattice columns and the stiff columns; compared with the conventional construction method, the method ensures the stability of the beam column node and has higher safety; the problem of difficult construction loop penetration is solved, and the plane traffic organization is facilitated; the construction joint is kept somewhere to reduce, reduces basement roof seepage risk.
Description
Technical Field
The utility model relates to the technical field of engineering construction, in particular to a stiff column construction structure in a cover-excavation construction process.
Background
The cover-excavation method refers to: when underground engineering is applied, the novel engineering construction method is adopted by crossing obstacles such as roads, buildings and the like, after the underground engineering is excavated downwards to a certain depth from the ground, the top is closed, and the rest of lower engineering is constructed under the closed top cover. The main structure can be operated in sequence or in reverse. The cover-excavation method is suitable for loose geological conditions and areas where tunnels are above the ground water level.
In the prior art, as shown in fig. 1, an engineering 10# foundation pit is constructed by adopting a cover excavation method, a reserved hole on the north side of a structural roof is used as an earth outlet in the earth excavation stage, and the south side of the structural roof is used as a construction road to form a loop with a 7# foundation pit, a 9 # foundation pit reserved trestle and a construction site road. The road cannot be penetrated due to the fact that the on-ground corridor stiff columns exist on the south side of the 10# foundation pit.
Meanwhile, the construction is not reserved temporarily for the top plate stiff column structure, and after the construction of the underground two-layer structure is completed, the concrete beam at the joint of the stiff column structure is chiseled out, and the underground one-layer and top plate stiff column structure is constructed. Later stage chisel removes construction strength nature post structure, leads to beam column node to have the potential safety hazard.
Disclosure of Invention
The utility model aims to provide a stiff column construction structure in a cover-excavation construction process so as to solve the problems in the background technology.
The technical scheme of the utility model is as follows: the stiff column construction structure in the cover excavation method construction process comprises a plurality of stiff columns, wherein stiff column steel structures are fixed in the stiff columns in a pre-buried mode, and the structure further comprises the following components;
the reinforcing component comprises a plurality of structural lattice columns arranged between the stiff column steel structures, and connecting section steel is fixed between two adjacent structural lattice columns and the stiff column steel structures in a full-welded mode;
and the structural plate provides a structural foundation for subsequent construction.
Preferably, the structural plates are fixedly arranged on the structural lattice columns and the stiff columns.
Preferably, plain concrete pouring slope finding layers are arranged at the top surfaces of the structural plates and the stiff column steel structures.
Preferably, the structural lattice column is constructed by adopting a reverse construction method.
Compared with the prior art, the utility model provides the stiff column construction structure in the cover-excavation method construction process by improving, and has the following improvement and advantages:
the method comprises the following steps: compared with the conventional construction method, the method ensures the stability of the beam column node and has higher safety;
and two,: the utility model solves the problem of difficult construction loop penetration and is beneficial to plane traffic organization; the construction joint retention is reduced, and the leakage risk of the top plate of the basement is reduced;
and thirdly,: the utility model can reduce chiseling and secondary pouring construction, thereby reducing construction cost.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic representation of the steel structure of the stiff columns and stiff columns of the present utility model;
FIG. 3 is a schematic top view of the structural lattice column and stiffness column of the present utility model;
FIG. 4 is a schematic diagram of the front view mating structure of the structural lattice column and the stiffening column of the present utility model;
FIG. 5 is a schematic diagram of a stiff column steel structure and a plain concrete poured slope finding layer structure of the utility model.
Reference numerals illustrate:
1. a stiff column; 2. a structural panel; 3. a stiff column steel structure; 4. structural lattice columns; 5. connecting section steel; 6. and pouring plain concrete to find a slope layer.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a stiff column construction structure in a cover-excavation method construction process by improving the structure, and the technical scheme of the utility model is as follows:
1-5, the stiff column construction structure in the cover excavation construction process comprises a plurality of stiff columns 1, wherein a stiff column steel structure 3 is fixed in the stiff columns 1 in a pre-buried mode, and the stiff column construction structure further comprises;
the reinforcing component comprises a plurality of structural lattice columns 4 arranged between the stiff column steel structures 3, and connecting section steel 5 is fixed between two adjacent structural lattice columns 4 and the stiff column steel structures 3 in a full-welded mode; through this setting, can effectively guarantee the structural stability of stiffness column steel construction 3 to ensure the structural strength of stiffness column 1, guaranteed beam column node stability, the security is higher.
The structural plate 2, the structural plate 2 provides a structural foundation for subsequent construction, and in particular provides a condition foundation for the construction of the slope finding layer 6 for subsequent plain concrete pouring.
Further, the structural plate 2 is fixedly arranged on the structural lattice column 4 and the stiffness column 1; through this setting to guarantee the structural stability of structural slab 2, simultaneously, structural lattice post 4 and strength nature post 1 top surface are higher than structural slab 2, thereby can play the reinforcement effect for subsequent plain concrete pouring find slope layer 6, in order to guarantee plain concrete pouring find slope layer 6's structural fastness.
Further, plain concrete pouring slope finding layers 6 are arranged at the top surfaces of the structural plates 2 and the stiff column steel structures 3; the slope finding layer 6 is poured through the arranged plain concrete, so that the problem of difficult penetration of a construction loop is solved, and the plane traffic organization is facilitated; the construction joint is kept somewhere to reduce, reduces basement roof seepage risk.
Further, the structural lattice column 4 is constructed by the reverse construction method.
The specific working method is as follows: when the steel structure is used, the connecting section steel 5 is fixed between the two structural lattice columns 4 and the stiff column steel structure 3 in a full-welded mode, so that the structural stability of the stiff column steel structure 3 is effectively ensured, the structural strength of the stiff column 1 is ensured, the stability of beam column nodes is ensured, and the safety is higher;
after the construction is completed, the structural plate 2 is installed and constructed, the top surfaces of the structural lattice columns 4 and the stiff columns 1 are higher than the structural plate 2, and finally, the construction of the plain concrete pouring slope finding layer 6 is carried out, so that the problem of difficult penetration of a construction loop is solved, and the plane traffic organization is facilitated; meanwhile, the top surfaces of the structural lattice columns 4 and the stiff columns 1 can be used for reinforcing the plain concrete pouring slope finding layer 6, construction joint retention is reduced, and the leakage risk of a basement roof is reduced.
Claims (4)
1. The stiff column construction structure in the cover excavation method construction process comprises a plurality of stiff columns (1), and is characterized in that: the stiffness column (1) is internally fixed with a stiffness column steel structure (3) in a pre-buried mode, and further comprises;
the reinforcing component comprises a plurality of structural lattice columns (4) arranged between the stiff column steel structures (3), and connecting section steel (5) is fixed between two adjacent structural lattice columns (4) and the stiff column steel structures (3) in a full-welded mode;
the structure board (2), the structure board (2) provides the structure basis for follow-up construction.
2. The stiff column construction structure in a cover excavation construction process according to claim 1, wherein: the structural plates (2) are fixedly arranged on the structural lattice columns (4) and the stiff columns (1).
3. The stiff column construction structure in a cover excavation construction process according to claim 1, wherein: and a plain concrete pouring slope finding layer (6) is arranged at the top surfaces of the structural plate (2) and the stiff column steel structure (3).
4. The stiff column construction structure in a cover excavation construction process according to claim 1, wherein: the structural lattice column (4) is constructed by adopting a reverse construction method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320498975.6U CN219508647U (en) | 2023-03-15 | 2023-03-15 | Stiff column construction structure in cover-excavation construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320498975.6U CN219508647U (en) | 2023-03-15 | 2023-03-15 | Stiff column construction structure in cover-excavation construction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219508647U true CN219508647U (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320498975.6U Active CN219508647U (en) | 2023-03-15 | 2023-03-15 | Stiff column construction structure in cover-excavation construction process |
Country Status (1)
| Country | Link |
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| CN (1) | CN219508647U (en) |
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2023
- 2023-03-15 CN CN202320498975.6U patent/CN219508647U/en active Active
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