CN215165651U

CN215165651U - Deep foundation pit supporting structure

Info

Publication number: CN215165651U
Application number: CN202120615469.1U
Authority: CN
Inventors: 王锦全
Original assignee: Guangdong Tengdu Construction Of Foundation Co ltd
Current assignee: Guangdong Tengdu Construction Of Foundation Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-12-14
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a deep foundation pit supporting structure, which comprises an outer supporting mechanism, wherein the inner side of the outer supporting mechanism is provided with an inner supporting mechanism and a reinforcing mechanism arranged on the outer supporting mechanism and the inner supporting mechanism; the outer support mechanism comprises a first outer support plate and a second outer support plate, and the first outer support plate and the second outer support plate are sequentially adjacently arranged to form a cavity. The utility model discloses an outer support plate of mechanism outside, the first interior backup pad of second outer backup pad and interior support mechanism, the fender that encloses that the second inner support plate connects into supports the fender to the border soil layer, simultaneously through the external supporting mechanism of link, interior support mechanism upper end is fixed, support the mechanism adjacent angle in will supporting through the bracing piece and support the connection, the stock passes interior support mechanism in proper order the border, outer support mechanism inserts the soil layer, improve whole intensity of supporting to foundation ditch border soil layer, the security of operation in the foundation ditch has been improved.

Description

Deep foundation pit supporting structure

Technical Field

The utility model relates to a building field especially relates to a deep basal pit supporting construction.

Background

With the continuous development of municipal construction and foundation construction and the development and utilization of large-scale underground space, the deep foundation pit supporting engineering under the complex geological environment is increased day by day, the scale and the depth of the deep foundation pit engineering are increased continuously, and higher requirements are provided for ensuring the safety of adjacent buildings and underground pipelines in the construction process. With the continuous progress of scientific technology and the innovation of construction equipment, a plurality of new technologies and new equipment also appear, and the influence on the surroundings is small even if construction operation is carried out in a complex environment. However, the existing supporting engineering of the foundation pit mostly adopts a single stress body for supporting, the deformation of the stress is large, and the construction safety is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep basal pit supporting construction just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a deep foundation pit supporting structure comprises an outer supporting mechanism, wherein an inner supporting mechanism and reinforcing mechanisms arranged on the outer supporting mechanism and the inner supporting mechanism are arranged on the inner side of the outer supporting mechanism; outer supporting mechanism includes first outer backup pad, the outer backup pad of second, first outer backup pad the outer backup pad of second is adjacent in proper order to be set the cavity, interior backup pad in first interior backup pad, the second that interior supporting mechanism set up in proper order, strengthening mechanism is including setting up outer supporting mechanism with the link of interior supporting mechanism upper end, first interior backup pad the adjacent corner department of second interior backup pad is provided with the bracing piece, first interior backup pad all be provided with the stock in the second on the interior backup pad face.

Further setting: the first inner supporting plate and the first outer supporting plate are provided with connecting convex blocks at two ends, grooves are formed in the positions, corresponding to the connecting convex blocks, of two sides of the second inner supporting plate and two sides of the second outer supporting plate, and the connecting convex blocks are connected with the grooves in a sliding mode.

So set up, be convenient for with first outer backup pad with second outer backup pad, first interior backup pad with the connection of second interior backup pad.

Further setting: the connecting frame is symmetrically provided with two positions in the front and back direction, and the connecting frame is connected with the first outer supporting plate, the second outer supporting plate, the first inner supporting plate and the second inner supporting plate.

So set up, through link fixed connection first outer backup pad, the second outer backup pad, first interior backup pad, the second interior backup pad improves holistic structural strength.

Further setting: the anchor rod and the ground plane form an included angle of 10-30 degrees, and the anchor rod penetrates through the first outer supporting plate and the second outer supporting plate and is inserted into an outer soil layer.

So set up, be convenient for pass through the stock improves whole supporting effect to the border soil layer.

Further setting: the heights of the first outer supporting plate and the second outer supporting plate are smaller than the heights of the first inner supporting plate and the second inner supporting plate.

So set up, make first outer backup pad the barricade that the outer backup pad of second formed with first interior backup pad the barricade that the backup pad formed in the second supports the shearing force of border soil layer in proper order, improves and supports intensity.

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

the enclosure formed by connecting the first outer supporting plate and the second outer supporting plate of the outer supporting mechanism and the enclosure formed by connecting the second outer supporting plate and the enclosure formed by connecting the second inner supporting plate with the first inner supporting plate of the inner supporting mechanism supports the surrounding soil layer, and the upper ends of the first outer supporting plate, the second outer supporting plate, the first inner supporting plate and the second inner supporting plate are fixedly connected through the connecting frame.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is an axonometric view of a deep foundation pit supporting structure of the present invention;

fig. 2 is a schematic top view of the deep foundation pit supporting structure of the present invention;

fig. 3 is a schematic sectional view of a-a of a deep foundation pit supporting structure according to the present invention;

fig. 4 is an enlarged schematic view of fig. 2 at B.

The reference numerals are explained below:

1. an outer support mechanism; 11. a first outer support plate; 12. a second outer support plate; 13. a connection bump; 14. a groove; 2. an inner support mechanism; 21. a first inner support plate; 22. a second inner support plate; 3. a reinforcement mechanism; 31. a connecting frame; 32. an anchor rod; 33. a support rod.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. 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," "second," etc. 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 otherwise specified.

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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 4, a deep foundation pit supporting structure comprises an outer supporting mechanism 1, an inner supporting mechanism 2 arranged inside the outer supporting mechanism 1, and a reinforcing mechanism 3 arranged on the outer supporting mechanism 1 and the inner supporting mechanism 2; the outer supporting mechanism 1 comprises a first outer supporting plate 11 and a second outer supporting plate 12, the first outer supporting plate 11 and the second outer supporting plate 12 are sequentially and adjacently arranged to form a cavity, the inner supporting mechanism 2 comprises a first inner supporting plate 21 and a second inner supporting plate 22 which are sequentially and adjacently arranged, the reinforcing mechanism 3 comprises a connecting frame 31 arranged at the upper ends of the outer supporting mechanism 1 and the inner supporting mechanism 2, the first outer supporting plate 11, the second outer supporting plate 12, the first inner supporting plate 21 and the second inner supporting plate 22 are fixedly connected with the upper ends of the first inner supporting plate 21 and the second inner supporting plate 22, supporting rods 33 are arranged at adjacent corners of the first inner supporting plate 21 and the second inner supporting plate 22, the supporting strength of the first inner supporting plate 21 and the second inner supporting plate 22 is improved, and anchor rods 32 are arranged on the surfaces of the first inner supporting plate 21 and the second inner supporting plate 22.

Preferably: the two ends of the first inner support plate 21 and the first outer support plate 11 are respectively provided with a connecting lug 13, the two sides of the second inner support plate 22 and the second outer support plate 12 are respectively provided with a groove 14 corresponding to the connecting lug 13, and the connecting lugs 13 are in sliding connection with the grooves 14, so that the first outer support plate 11 and the second outer support plate 12 as well as the first inner support plate 21 and the second inner support plate 22 are conveniently connected; the connecting frame 31 is symmetrically provided with two positions in front and back, the connecting frame 31 is connected with the first outer supporting plate 11, the second outer supporting plate 12, the first inner supporting plate 21 and the second inner supporting plate 22, and the first outer supporting plate 11, the second outer supporting plate 12, the first inner supporting plate 21 and the second inner supporting plate 22 are fixedly connected through the connecting frame 31, so that the integral structural strength is improved; the anchor rod 32 forms an included angle of 10-30 degrees with the ground plane, and the anchor rod 32 penetrates through the first outer support plate 11 and the second outer support plate 12 and is inserted into the outer soil layer, so that the support effect of the whole body on the surrounding soil layer is improved through the anchor rod 32; the heights of the first outer support plate 11 and the second outer support plate 12 are smaller than the heights of the first inner support plate 21 and the second inner support plate 22, so that the retaining wall formed by the first outer support plate 11 and the second outer support plate 12 and the retaining wall formed by the first inner support plate 21 and the second inner support plate 22 sequentially support the shearing force of the soil layer on the periphery, and the supporting strength is improved.

The utility model discloses theory of operation and use flow: the enclosure formed by connecting the first outer support plate 11 and the second outer support plate 12 is inserted into the pit, then the enclosure formed by connecting the first inner support plate 21 and the second inner support plate 22 is placed inside the first outer support plate 11 and the second outer support plate 12, the upper ends of the first outer support plate 11, the second outer support plate 12, the first inner support plate 21 and the second inner support plate 22 are connected and fixed through the connecting frame 31, meanwhile, adjacent corners of the first inner support plate 21 and the second inner support plate 22 are supported and connected through the support rod 33, the anchor rod 32 penetrates through the first inner support plate 21, the first outer support plate 11, the second inner support plate 22 and the second outer support plate 12 in sequence and is inserted into a soil layer, the blocking strength of the first inner support plate 21, the first outer support plate 11, the second inner support plate 22 and the second outer support plate 12 on the soil layer of the periphery of the foundation pit is improved, and the safety of operation in the foundation pit is improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a deep basal pit supporting construction which characterized in that: the device comprises an outer supporting mechanism (1), wherein an inner supporting mechanism (2) is arranged on the inner side of the outer supporting mechanism (1), and a reinforcing mechanism (3) is arranged on the outer supporting mechanism (1) and the inner supporting mechanism (2); outer supporting mechanism (1) includes first outer backup pad (11), second outer backup pad (12), first outer backup pad (11), second outer backup pad (12) are adjacent in proper order and set to the cavity, interior backup pad (2) are including first interior backup pad (21), the interior backup pad (22) of second that adjacent set up in proper order, reinforcement means (3) are including setting up outer supporting mechanism (1) with link (31) of interior backup pad (2) upper end, first interior backup pad (21) adjacent angle department of backup pad (22) is provided with bracing piece (33) in the second, first interior backup pad (21) all be provided with stock (32) in the second on backup pad (22) the face.

2. A deep foundation pit supporting construction according to claim 1, wherein: first interior backup pad (21), first outer backup pad (11) both ends all are provided with connecting lug (13), backup pad (22) in the second outer backup pad (12) both sides with connecting lug (13) correspond the position and are provided with recess (14), connecting lug (13) with recess (14) sliding connection.

3. A deep foundation pit supporting construction according to claim 1, wherein: the connecting frame (31) is symmetrically provided with two positions in front and back, and the connecting frame (31) is connected with the first outer supporting plate (11), the second outer supporting plate (12), the first inner supporting plate (21) and the second inner supporting plate (22).

4. A deep foundation pit supporting construction according to claim 1, wherein: the anchor rod (32) and the ground plane form an included angle of 10-30 degrees, and the anchor rod (32) penetrates through the first outer supporting plate (11) and the second outer supporting plate (12) to be inserted into an outer soil layer.

5. A deep foundation pit supporting construction according to claim 1, wherein: the heights of the first outer support plate (11) and the second outer support plate (12) are smaller than the heights of the first inner support plate (21) and the second inner support plate (22).