CN214401805U - Fabricated concrete inner support structure for deep foundation pit - Google Patents
Fabricated concrete inner support structure for deep foundation pit Download PDFInfo
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- CN214401805U CN214401805U CN202022795863.6U CN202022795863U CN214401805U CN 214401805 U CN214401805 U CN 214401805U CN 202022795863 U CN202022795863 U CN 202022795863U CN 214401805 U CN214401805 U CN 214401805U
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Abstract
The utility model discloses an assembled concrete inner supporting structure for deep basal pit, including ground, the foundation ditch is seted up to the subaerial surface, foundation ditch inner wall lower extreme is fixed assembly stand pile and fender pile respectively, fender pile upper surface grafting lattice column, lattice column lateral wall upper end fixed connection cast-in-place round platform node, fender pile upper surface and lateral wall fixed mounting crown beam respectively, crown beam lateral wall and cast-in-place round platform node lateral wall fixed connection precast beam respectively, precast slab is laminated respectively to precast beam upper surface laminating and cast-in-place round platform node upper surface, the invention has advantages such as of high quality, safe and reliable, the time limit for a project is short, with low costs, reuse.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, specifically speaking relates to an assembly type concrete inner supporting structure for deep basal pit.
Background
At present, according to construction experience and considering the structural safety, the prefabricated building is mostly used for an overground main body structure, and a basement still adopts a cast-in-place concrete structure. The deep foundation pit is of a temporary structure, needs to be dismantled during construction of the basement, adopts the assembled steel structure inner support, and has the characteristics of light dead weight, convenience in installation, reusability, low cost and the like. However, the steel structure has low rigidity and poor stability, and is generally used for supporting in a foundation pit with a small area. When the area of the foundation pit is large, the cast-in-place concrete structure inner support is adopted, and the cast-in-place concrete structure inner support has the advantages of strong applicability, full play of material characteristics and the like, but has the defect of great weight, a large amount of waste concrete is generated during dismantling, and the cost is relatively high.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming prior art's is not enough, provides an assembled concrete inner supporting structure for deep basal pit, for solving above-mentioned technical problem, the utility model discloses a technical scheme's basic design is:
the utility model provides an assembled concrete inner supporting structure for deep basal pit, includes ground, the foundation ditch is seted up to the above-mentioned surface of ground, foundation ditch inner wall lower extreme is fixed assembly stand pile and fender pile respectively, fender pile upper surface grafting lattice column, lattice column lateral wall upper end fixed connection cast-in-place round platform node, fender pile upper surface fixed mounting crown beam, crown beam lateral wall and cast-in-place round platform node lateral wall fixed connection precast beam respectively, precast beam upper surface laminating and cast-in-place round platform node upper surface laminating prefabricated plate respectively.
Further, the precast beam comprises an outer frame body, the inner wall of the outer frame body is fixedly connected with a right-angle rod, the side wall of the right-angle rod is fixedly connected with an oblique-angle rod, the side wall of the right-angle rod and the side wall of the oblique-angle rod are respectively and fixedly connected with the outer side wall of the cast-in-situ circular truncated cone node, and the outer side wall of the outer frame body is fixedly connected with the side wall of the crown beam.
Furthermore, the side wall of the precast slab is provided with a through hole.
Furthermore, a positioning block is integrally formed on the lower surface of the prefabricated plate, and the side wall of the positioning block is attached to the upper end of the inner wall of the lattice column.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.
The utility model uses the fabricated concrete structure for the inner support of the deep foundation pit, fully exerts the characteristic of large compressive strength of concrete, adopts hollow components and reduces the consumption of concrete; the cast-in-place circular truncated cone node, the precast beam and the precast slab are adopted, so that the structural arrangement is more flexible, and the construction requirements of each stage are met; the invention has the advantages of good quality, safety, reliability, short construction period, low cost, reusability and the like.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a top plan view of the present invention;
fig. 2 is a schematic side partial section view of the present invention.
Fig. 3 is a schematic diagram of the structure of the prefabricated panels of the present invention.
In the figure: 1-ground; 101-foundation pit; 102-a post pile; 2-supporting piles; 3-lattice columns; 4-casting a round platform node in situ; 5-a crown beam; 6-prefabricating a beam; 601-outer frame body; 602-right angle pole; 602-mitre bar; 7, precast slab; 701-through holes; 702-locating block.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the fabricated concrete inner support structure for a deep foundation pit of the embodiment includes a ground 1, a foundation pit 101 is formed on the upper surface of the ground 1, a vertical pile 102 and a support pile 2 are respectively fixedly assembled at the lower end of the inner wall of the foundation pit 101, a lattice column 3 is inserted into the upper surface of the support pile 2, a cast-in-place circular truncated cone node 4 is fixedly connected to the upper end of the side wall of the lattice column 3, a crown beam 5 is fixedly installed on the upper surface of the support pile 2, the side wall of the crown beam 5 and the side wall of the cast-in-place circular truncated cone node 4 are respectively and fixedly connected to a precast beam 6, a precast slab 7 is respectively attached to the upper surface of the precast beam 6 and the upper surface of the cast-in-place circular truncated cone node and the crown beam, the cast-in-place circular truncated cone node and the crown beam are formed by matching with concrete, an insertion groove is formed in the upper surface of the vertical pile for matching with the cast-in-place circular truncated cone node and fixedly connected to the precast beam, as shown in fig. 2.
The through holes 701 are formed in the side wall of the prefabricated plate 7, the inner wall of the prefabricated plate is provided with a cavity due to the through holes, the self weight is reduced, and the prefabricated plate is formed by pouring cement.
The lower surface of the prefabricated plate 7 is integrally formed with a positioning block 702, the side wall of the positioning block 702 is attached to the upper end of the inner wall of the lattice column 3, the prefabricated plate is transversely and additionally positioned through the insertion of the positioning block in the lattice column, the movement of the prefabricated plate is reduced, and each positioning block occupies one quarter of the cross section of the lattice column.
The working principle is as follows: the lattice column 3 is welded on site, inserted into the column pile 102 during construction, the precast beam 6 and the precast slab 7 are processed in a component factory, a hollow structure is adopted, the weight of the component is controlled, steel bars on the crown beam 5 and the cast-in-situ circular truncated cone node 4 are bound, the precast beam 6 is installed, concrete is poured on the crown beam 5 and the cast-in-situ circular truncated cone node 4, the hollow precast slab 7 is paved at a required place, only the cast-in-situ circular truncated cone node 4 and the crown beam 5 need to be removed during removal, and the precast beam 6, the precast slab 7 and the lattice column 3 can be recycled.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (4)
1. The utility model provides an assembled concrete inner support structure for deep basal pit, includes ground (1), foundation ditch (101) are seted up to ground (1) upper surface, foundation ditch (101) inner wall lower extreme is fixed assembly stand pile (102) and fender pile (2) respectively, its characterized in that: lattice column (3) are pegged graft to a fender pile (2) upper surface, lattice column (3) lateral wall upper end fixed connection cast-in-place round platform node (4), a fender pile (2) upper surface fixed mounting crown beam (5), crown beam (5) lateral wall and cast-in-place round platform node (4) lateral wall are fixed connection precast beam (6) respectively, precast slab (7) are laminated respectively to precast beam (6) upper surface laminating and cast-in-place round platform node (4) upper surface.
2. The fabricated concrete inner support structure for a deep foundation pit according to claim 1, wherein: precast beam (6) are including outer frame body (601), outer frame body (601) inner wall fixed connection right angle pole (602), right angle pole (602) lateral wall fixed connection oblique angle pole (603), right angle pole (602) lateral wall and oblique angle pole (603) lateral wall respectively fixed connection cast-in-place round platform node (4) lateral wall, outer frame body (601) lateral wall fixed connection crown beam (5) lateral wall.
3. The fabricated concrete inner support structure for a deep foundation pit according to claim 1, wherein: the side wall of the prefabricated plate (7) is provided with a through hole (701).
4. The fabricated concrete inner support structure for a deep foundation pit according to claim 1, wherein: the prefabricated plate (7) is integrally formed with a positioning block (702), and the side wall of the positioning block (702) is attached to the upper end of the inner wall of the lattice column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795863.6U CN214401805U (en) | 2021-08-24 | 2021-08-24 | Fabricated concrete inner support structure for deep foundation pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795863.6U CN214401805U (en) | 2021-08-24 | 2021-08-24 | Fabricated concrete inner support structure for deep foundation pit |
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| CN214401805U true CN214401805U (en) | 2021-10-15 |
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| CN202022795863.6U Active CN214401805U (en) | 2021-08-24 | 2021-08-24 | Fabricated concrete inner support structure for deep foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110540A (en) * | 2022-07-27 | 2022-09-27 | 中建铁路投资建设集团有限公司 | SMW worker method stake and stand stake combination supporting construction |
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2021
- 2021-08-24 CN CN202022795863.6U patent/CN214401805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110540A (en) * | 2022-07-27 | 2022-09-27 | 中建铁路投资建设集团有限公司 | SMW worker method stake and stand stake combination supporting construction |
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