CN216839474U

CN216839474U - Foundation ditch inclined support stake structure

Info

Publication number: CN216839474U
Application number: CN202220049081.4U
Authority: CN
Inventors: 徐培杰; 冯水良; 钱钧
Original assignee: Huzhou Jiangnan Market Development Co ltd; HUAYU CONSTRUCTION GROUP CO Ltd
Current assignee: Huzhou Jiangnan Market Development Co ltd; HUAYU CONSTRUCTION GROUP CO Ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-28
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to the technical field of foundation pit support, in particular to a foundation pit inclined support pile structure, which comprises a foundation pit bottom plate, a support pile, a top beam arranged at the top end of the support pile, a first inclined support component and a second inclined support component; the first inclined support assembly comprises a first embedded pile and a plurality of first inclined support piles detachably connected, the first embedded pile obliquely penetrates through a foundation pit bottom plate, and a soil improvement structure is fixedly connected to the bottom end of the first embedded pile; the first inclined supporting pile close to one end of the first embedded pile is detachably connected with the first embedded pile, and the first inclined supporting pile far away from one end of the first embedded pile is fixedly connected with the top beam; the second inclined support component comprises a second embedded pile and a second inclined support pile; the second inclined supporting pile supports the first inclined supporting pile, so that the bearing capacity of the first inclined supporting pile can be improved, and the first inclined supporting pile is effectively prevented from being unstable.

Description

Foundation ditch inclined support stake structure

Technical Field

The utility model relates to a foundation ditch enclosure technical field, specifically speaking relates to a foundation ditch slant supports pilework.

Background

The excavation of the foundation pit in the process of building the basement inevitably causes the deformation of the surrounding soil body, thereby influencing the surrounding buildings and underground pipelines. The normal use or safety of the foundation pit can be seriously threatened, and in order to avoid the condition, a supporting system is added in the deep foundation design and construction to stabilize the safety of the foundation pit. The diagonal bracing is widely applied to deep foundation pits at present, but the stability of the existing diagonal bracing pile after bracing is poor, so that the diagonal bracing pile is easy to lose stability, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foundation ditch diagonal bracing pile structure to solve the problem that proposes among the above-mentioned background art.

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

a foundation pit inclined support pile structure comprises a foundation pit bottom plate, a fender pile, a top beam arranged at the top end of the fender pile, a first inclined support assembly and a second inclined support assembly; the first inclined support assembly comprises a first embedded pile and a plurality of first inclined support piles detachably connected, the first embedded pile obliquely penetrates through a foundation pit bottom plate, and a soil improvement structure is fixedly connected to the bottom end of the first embedded pile; the first inclined supporting pile close to one end of the first embedded pile is detachably connected with the first embedded pile, and the first inclined supporting pile far away from one end of the first embedded pile is fixedly connected with the top beam; the second inclined support assembly comprises a second embedded pile and a second inclined support pile, the second embedded pile obliquely penetrates through the foundation pit base plate, and the bottom end of the second embedded pile is fixedly connected with the fender post; one end of the second inclined supporting pile is detachably connected with the second embedded pile, and the other end of the second inclined supporting pile is fixedly connected with one of the first inclined supporting piles; the second inclined supporting pile and the first inclined supporting pile are perpendicular to each other.

Preferably, a connecting rod is integrally formed at one end of the first inclined supporting pile, and a connecting groove matched with the connecting rod in a threaded manner is formed at the other end of the first inclined supporting pile; and a first thread groove matched with the thread of the connecting rod is formed in one end, close to the first inclined supporting pile, of the first embedded pile.

Preferably, a second thread groove is formed in one end, close to the second inclined supporting pile, of the second embedded pile, and the second inclined supporting pile is in threaded connection with the second thread groove.

Preferably, a supporting groove is formed in the fender post, and the bottom end of the second pre-buried pile is inserted into the supporting groove and is welded and fixed with the supporting groove.

Preferably, the soil improvement structure is a high pressure injection cement slurry.

Preferably, the fender pile is a reinforced concrete cast-in-place pile or a steel pipe pile.

Preferably, a water stopping component is arranged on the first embedded pile at the position where the first embedded pile penetrates through the foundation pit bottom plate; and a water stopping part is also arranged on the second embedded pile at the position where the second embedded pile and the foundation pit bottom plate penetrate through.

Preferably, the water stopping member is a water stopping sheet.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the foundation pit inclined support pile structure, the second inclined support pile supports the first inclined support pile through the arrangement of the second inclined support component, so that the bearing capacity of the first inclined support pile can be improved, and the first inclined support pile is effectively prevented from being supported and losing stability; in addition, when the first inclined supporting piles exert force on the second inclined supporting piles, the second embedded piles can extrude the fender piles, and the extrusion force of the fender piles can be effectively balanced due to the fact that the top of the fender piles also receives the extrusion force of the first inclined supporting piles, so that the fender piles are kept stable, and the foundation pit is kept stable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

Fig. 3 is an assembly schematic diagram of the first pre-buried pile and the first inclined supporting pile of the present invention.

Fig. 4 is an assembly diagram of the second pre-buried pile and the second inclined supporting pile of the present invention.

The meaning of the reference symbols in the figures is: 1. a fender pile; 10. a support groove; 2. a top beam; 3. a foundation pit bottom plate; 40. a first pre-buried pile; 400. a first thread groove; 41. a first diagonal support pile; 410. connecting grooves; 411. a connecting rod; 5. a soil improvement structure; 60. a second pre-buried pile; 600. a second thread groove; 61. a second diagonal support pile; 7. and a water stopping member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a technical scheme:

the utility model provides a foundation ditch inclined strut pile structure, please refer to fig. 1, includes foundation ditch bottom plate 3, fender pile 1 and locates back timber 2 on 1 top of fender pile, and back timber 2 welding is on the top of

fender pile

1, and 1 bottom embedding of fender pile is pour in soil, and foundation ditch bottom plate 3 is installed on soil foundation ditch surface.

Please refer to fig. 1 and fig. 3, further comprising a first oblique supporting component and a second oblique supporting component; the first inclined support assembly comprises a first embedded pile 40 and a plurality of first inclined support piles 41 which are detachably connected, the first embedded pile 40 obliquely penetrates through the foundation pit bottom plate 3, and the bottom end of the first embedded pile 40 is fixedly connected with a soil improvement structure 5; the soil improvement structure 5 can increase the bearing capacity of the first inclined support piles 41 compared with the soil; the first inclined support pile 41 close to one end of the first pre-buried pile 40 is detachably connected with the first pre-buried pile 40, and the first inclined support pile 41 far away from one end of the first pre-buried pile 40 is fixedly connected with the top beam 2.

The soil improvement structure 5 is high-pressure injection cement paste; in the process that the first pre-buried pile 40 extends into the soil, the high-pressure nozzle can extend into the position slightly longer than the first inclined supporting pile 41 to spray cement paste, and the cement paste is fixed with the first pre-buried pile 40 after being cured.

Referring to fig. 3, a connecting rod 411 is integrally formed at one end of the first inclined supporting pile 41, and a connecting groove 410 adapted to the connecting rod 411 in a threaded manner is formed at the other end of the first inclined supporting pile 41; between two adjacent first inclined supporting piles 41, the connecting rod 411 on one first inclined supporting pile 41 is in threaded connection with the connecting groove 410 on the other first inclined supporting pile 41, so that the two first inclined supporting piles 41 can be connected together, and the two first inclined supporting piles 41 can be conveniently disassembled by rotation, compared with the traditional one overlong inclined supporting pile, the first inclined supporting pile 41 in the utility model is convenient to transport and manufacture; one end of the first pre-buried pile 40 close to the first inclined support pile 41 is provided with a first thread groove 400 in threaded fit with the connecting rod 411; thereby facilitating the detachment of the first diagonal support pile 41 from the first pre-buried pile 40.

Referring to fig. 1 and 4, the second inclined support assembly includes a second pre-buried pile 60 and a second inclined support pile 61, the second pre-buried pile 60 obliquely penetrates through the foundation pit bottom plate 3, and the bottom end of the second pre-buried pile 60 is fixedly connected with the fender pile 1; one end of the second inclined support pile 61 is detachably connected with the second embedded pile 60, and the other end is fixedly connected with one of the first inclined support piles 41; the bearing capacity of the first inclined supporting pile 41 can be improved through the support of the second inclined supporting pile 61 on the first inclined supporting pile 41, the first inclined supporting pile 41 is effectively prevented from being supported and losing stability, in addition, when the first inclined supporting pile 41 applies force on the second inclined supporting pile 61, the second pre-buried pile 60 can extrude the fender post 1, the extrusion force applied to the fender post 1 can be effectively balanced due to the fact that the top of the fender post 1 is also subjected to the extrusion force of the first inclined supporting pile 41, and the fender post 1 is kept stable, so that the foundation pit is kept stable; the second diagonal support piles 61 are arranged perpendicular to the first diagonal support piles 41; the second diagonal support pile 61 is made to stably support the first diagonal support pile 41.

Referring to fig. 2, a supporting groove 10 is formed on the fender post 1, and the bottom end of the second pre-buried pile 60 is inserted into the supporting groove 10 and is welded and fixed with the supporting groove 10.

Referring to fig. 4, one end of the second pre-buried pile 60 close to the second inclined supporting pile 61 is provided with a second thread groove 600, and the second inclined supporting pile 61 is in threaded connection with the second thread groove 600; it is convenient to detach the second diagonal support pile 61 from the second pre-buried pile 60.

The fender pile 1 is a reinforced concrete filling pile or a steel pipe pile.

Referring to fig. 1, a water stopping component 7 is arranged on the first embedded pile 40 at the position where the first embedded pile 40 penetrates through the foundation pit bottom plate 3; the second pre-buried pile 60 is also provided with a water stopping component 7 at the position where the second pre-buried pile 60 penetrates through the foundation pit bottom plate 3.

The water stopping part 7 is a water stopping sheet, and the water stopping sheet at the penetrating position of the first embedded pile 40 and the foundation pit bottom plate 3 is welded and fixed with the first embedded pile 40; a water stop sheet at the penetrating position of the second embedded pile 60 and the foundation pit bottom plate 3 is welded and fixed with the second embedded pile 60; the water stop sheet can effectively prevent water in soil from overflowing from the penetration part.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a foundation ditch diagonal bracing pile structure, includes foundation ditch bottom plate (3), fender pile (1) and top beam (2) of locating fender pile (1) top, its characterized in that: the device also comprises a first oblique supporting component and a second oblique supporting component; the first inclined support assembly comprises a first embedded pile (40) and a plurality of first inclined support piles (41) which are detachably connected, the first embedded pile (40) obliquely penetrates through the foundation pit bottom plate (3), and the bottom end of the first embedded pile (40) is fixedly connected with a soil improvement structure (5); a first inclined support pile (41) close to one end of the first embedded pile (40) is detachably connected with the first embedded pile (40), and a first inclined support pile (41) far away from one end of the first embedded pile (40) is fixedly connected with the top beam (2); the second inclined support assembly comprises a second embedded pile (60) and a second inclined support pile (61), the second embedded pile (60) obliquely penetrates through the foundation pit bottom plate (3), and the bottom end of the second embedded pile (60) is fixedly connected with the fender post (1); one end of the second inclined supporting pile (61) is detachably connected with the second embedded pile (60), and the other end of the second inclined supporting pile is fixedly connected with one first inclined supporting pile (41); the second inclined support pile (61) and the first inclined support pile (41) are arranged perpendicular to each other.

2. The foundation pit inclined support pile structure according to claim 1, wherein: one end of the first inclined supporting pile (41) is integrally formed with a connecting rod (411), and the other end of the first inclined supporting pile (41) is provided with a connecting groove (410) matched with the connecting rod (411) in a threaded manner; one end of the first embedded pile (40) close to the first inclined supporting pile (41) is provided with a first thread groove (400) matched with the thread of the connecting rod (411).

3. The foundation pit inclined support pile structure according to claim 1, wherein: one end, close to the second inclined supporting pile (61), of the second pre-buried pile (60) is provided with a second threaded groove (600), and the second inclined supporting pile (61) is in threaded connection with the second threaded groove (600).

4. The foundation pit inclined support pile structure according to claim 1, wherein: the fender post (1) is provided with a supporting groove (10), and the bottom end of the second pre-buried pile (60) is inserted into the supporting groove (10) and is welded and fixed with the supporting groove (10).

5. The foundation pit inclined support pile structure according to claim 1, wherein: the soil improvement structure (5) is high-pressure injection cement paste.

6. The foundation pit inclined support pile structure according to claim 1, wherein: the fender pile (1) is a reinforced concrete cast-in-place pile or a steel pipe pile.

7. The foundation pit inclined support pile structure according to claim 1, wherein: a water stopping component (7) is arranged on the first embedded pile (40) at the position where the first embedded pile (40) and the foundation pit bottom plate (3) penetrate through; and a water stopping component (7) is also arranged on the second embedded pile (60) at the position where the second embedded pile (60) and the foundation pit bottom plate (3) penetrate through.

8. The foundation pit inclined support pile structure according to claim 7, wherein: the water stopping component (7) is a water stopping sheet.