CN218437102U

CN218437102U - Foundation pit supporting structure

Info

Publication number: CN218437102U
Application number: CN202222775847.XU
Authority: CN
Inventors: 李同山; 牟若宁; 崔雄利; 梁斯琴; 张呈生; 秦卫佳; 陈福川
Original assignee: Huadian Zhongguang New Energy Technology Co ltd; China Huadian Engineering Group Co Ltd
Current assignee: Huadian Zhongguang New Energy Technology Co ltd; China Huadian Engineering Group Co Ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-02-03
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a civil engineering foundation ditch construction technical field, concretely relates to excavation supporting structure, this excavation supporting structure includes: a base plate having an anchoring hole; the side plate is fixedly connected with the bottom plate; the anchoring structure comprises a supporting rod and an anchor rod, wherein the supporting rod is connected with the side plate, the anchor rod is connected with the supporting rod, the anchor rod is installed in the anchoring hole and partially penetrates out of the anchoring hole, and the anchoring hole is located below the bottom plate. The utility model discloses can conduct the effort that the curb plate received to the stock to continuously tamp the stock in the basis, reduce whole excavation supporting structure risk of sliding, improved the stability of structure.

Description

Foundation pit supporting structure

Technical Field

The utility model relates to a civil engineering foundation ditch construction technical field, concretely relates to excavation supporting construction.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. The foundation pit support is a supporting, blocking, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.

Current supporting structure for foundation pit includes bottom plate and the curb plate that is connected, sets up a large amount of strengthening ribs between roof and curb plate, and when the foundation ditch lateral wall was to the curb plate application of force, the strengthening rib played good supporting role to the curb plate, ensured structural stability.

However, when the force applied to the side plate by the side wall of the foundation pit is too large, the existing foundation pit supporting structure is easy to slip, and the structural stability is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art foundation ditch supporting structure defect that easily slides, poor stability to a good foundation ditch supporting structure of stability is provided.

In order to solve the problem, the utility model provides a foundation ditch supporting construction, include: a base plate having an anchoring hole; the side plate is fixedly connected with the bottom plate; the anchor structure, including bracing piece and the stock that the slope set up, the bracing piece with the curb plate is connected, the stock with the bracing piece is connected, the stock install in the anchor is downthehole and the part is worn out the anchor hole is located the below of bottom plate.

Optionally, the support rod and the anchor rod are detachably connected.

Optionally, one of the anchor rod and the support rod is provided with a thread groove, and the other one of the anchor rod and the support rod is provided with a thread section matched with the thread groove.

Optionally, the anchoring hole is a stepped hole, the anchor rod is a T-shaped rod, and the T-shaped rod is installed in the stepped hole in a matching manner.

Optionally, an inclined plane is arranged on the top surface of the bottom plate, the lower end of the inclined plane is close to the side plate, the high end of the inclined plane is far away from the side plate, and the anchoring hole is formed in the inclined plane.

Optionally, the axis of the anchoring hole is perpendicular to the inclined plane.

Optionally, an inclined hole is formed in the side plate, the high end of the inclined hole is far away from the bottom plate, the low end of the inclined hole is close to the bottom plate, and one end, far away from the anchor rod, of the support rod is arranged in the inclined hole.

Optionally, one side of the bottom plate, which is away from the side plate, is provided with a drainage groove.

Optionally, a plurality of strip plates arranged at intervals are arranged at the top of the drainage groove.

Optionally, the foundation pit supporting structure further comprises reinforcing rib plates, and the reinforcing rib plates are connected with the side plates and the bottom plate.

The utility model has the advantages of it is following:

1. the utility model discloses a foundation ditch supporting construction, during the installation, the curb plate is pressed close to the setting of foundation ditch lateral wall, and the bottom plate is placed on the ground of foundation ditch, and the stock inserts to the ground of bottom plate below in, to the bracing piece application of force when the curb plate receives foundation ditch lateral wall pressure, the bracing piece orders about the stock and pushes down, forces the stock atress to continue to stretch into the ground, consequently, the utility model discloses can conduct the effort that the curb plate received to the stock to continue to tamp the stock in the basis, reduce the whole foundation ditch supporting construction risk of sliding, improved the stability of structure.

2. The utility model discloses a supporting construction of foundation ditch is equipped with the thread groove on one of them of stock and bracing piece, wherein be equipped with on another with thread groove complex screw thread section. The threaded connection of the anchor rod and the supporting rod is realized through the matching of the thread section and the thread groove, and the assembly and disassembly are convenient and quick.

3. The utility model discloses a foundation ditch supporting construction, anchor hole are the step hole, and the stock is T type pole, and the cooperation of T type pole is installed in the step hole, realizes being connected of stock and bottom plate, and the cooperation in T type pole and step hole is connected stability good.

4. The utility model discloses a supporting construction of foundation ditch, the top surface of bottom plate are equipped with the inclined plane, and the low side on inclined plane is close to the curb plate, and the curb plate is kept away from to the high-end on inclined plane, and the anchor hole is seted up on the inclined plane. The anchor hole is seted up on the inclined plane, installs to the anchor downthehole when the stock for bracing piece and stock are whole to be set up by the slope, thereby play good supporting role and reinforcing stock grafting stability to the curb plate.

5. The utility model discloses a foundation ditch supporting construction is equipped with the inclined hole on the curb plate, and the high-end bottom plate of keeping away from of inclined hole, the low side of inclined hole are close to the bottom plate setting, and the one end that the stock was kept away from to the bracing piece sets up in the inclined hole. Under the effect of curb plate outside soil layer, earth can get into the inclined hole effect and transmit for the bracing piece at the tip and the curb plate atress of bracing piece, and the bracing piece and then transmits the effort to the stock, further makes the stock tamp in the basis, improves this supporting construction's stability, thereby and the bracing piece in the inclined hole can share the pressure that the curb plate received and reduce the effort that the curb plate received, play the guard action to the curb plate.

6. The utility model discloses a foundation ditch supporting construction still includes deep floor, and deep floor all is connected with curb plate and bottom plate. The bottom plate and the side plates are further connected and fixed by the reinforcing rib plates, so that the stability of the foundation pit supporting structure is improved.

7. The utility model discloses a supporting construction of foundation ditch, one side that the bottom plate deviates from the curb plate are equipped with water drainage tank, and water drainage tank is convenient to be discharged the ponding extraction in the foundation ditch, reduces the foundation ditch because the drainage difficulty leads to the probability of ponding.

Drawings

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

Fig. 1 shows an overall structural schematic diagram of a foundation pit supporting structure according to an embodiment of the present invention;

fig. 2 shows a schematic cross-sectional structure diagram of a foundation pit supporting structure of an embodiment of the present invention;

fig. 3 shows an enlarged schematic view of the structure at a in fig. 2.

Description of reference numerals:

1. a base plate; 11. a bevel; 111. an anchoring hole; 12. a water discharge tank; 2. a side plate; 21. an inclined hole; 3. an anchoring structure; 31. a support bar; 311. a threaded segment; 32. an anchor rod; 321. a thread groove; 4. reinforcing rib plates; 5. striped plates.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, the present embodiment discloses a foundation pit supporting structure, which includes a bottom plate 1, a side plate 2 and an anchoring structure 3, wherein the bottom plate 1 has an anchoring hole 111, the side plate 2 is fixedly connected to the bottom plate 1, the anchoring structure 3 includes a supporting rod 31 and an anchor rod 32, the supporting rod 31 is connected to the side plate 2, the anchor rod 32 is connected to the supporting rod 31, and the anchor rod 32 is installed in the anchoring hole 111 and partially penetrates through the anchoring hole 111 to be located below the bottom plate 1.

During the installation, the lateral wall setting of foundation ditch is pressed close to curb plate 2, and bottom plate 1 is placed on the ground of foundation ditch, and stock 32 inserts to the ground of 1 below of bottom plate in, to bracing piece 31 application of force when curb plate 2 receives foundation ditch lateral wall pressure, bracing piece 31 orders about stock 32 and pushes down, forces stock 32 atress to continue to stretch into the ground, consequently, the utility model discloses can conduct the effort that curb plate 2 received to stock 32 to last the rammer in the basis with stock 32, reduce whole excavation supporting structure risk of sliding, improved the stability of structure.

The foundation pit supporting structure is described in detail below with reference to the attached drawings.

The bottom plate 1 is a rectangular plate. The top surface of bottom plate 1 is equipped with inclined plane 11, and the low side of inclined plane 11 is close to curb plate 2, and curb plate 2 is kept away from to the high side of inclined plane 11, and anchor hole 111 is seted up on inclined plane 11. The anchor hole 111 is opened on the inclined plane 11, installs to anchor hole 111 in as stock 32 for bracing piece 31 and stock 32 are whole to be set up by the slope, thereby play good supporting role and reinforcing stock 32 grafting stability to curb plate 2. In the present embodiment, the axis of the anchor hole 111 is disposed perpendicular to the inclined surface 11. The anchor holes 111 are provided in a plurality and spaced in a row, and specifically, the anchor holes 111 are stepped holes.

One side that bottom plate 1 deviates from curb plate 2 is equipped with water drainage tank 12, and water drainage tank 12 conveniently extracts the drainage with the ponding in the foundation ditch, reduces the foundation ditch because the drainage difficulty leads to the probability of ponding.

In this embodiment, the side plate 2 is a rectangular plate, and is fixedly connected to the side edge of the bottom plate 1 to form an L-shaped supporting structure with good stability.

Furthermore, the side plate 2 is provided with an inclined hole 21, the high end of the inclined hole 21 is far away from the bottom plate 1, and the low end of the inclined hole 21 is close to the bottom plate 1, so that the support rod 31 can be conveniently installed. The inclined holes 21 are provided in plural and spaced rows.

The support rod 31 is used for supporting the side plate 2, and the support stability of the side plate 2 is improved. An end of the support rod 31 remote from the anchor rod 32 is disposed within the inclined bore 21. Under the effect of 2 outside soil layers of curb plate, earth can get into inclined hole 21 and be used in the tip of bracing piece 31 and 2 atress transmissions of curb plate and give bracing piece 31, bracing piece 31 and then transmit the effort to stock 32, further make stock 32 tamp in the basis, improve this supporting construction's stability, thereby the bracing piece 31 in the inclined hole 21 can share the pressure that curb plate 2 received and reduce the effort that curb plate 2 received, play the guard action to curb plate 2. The shape of the inclined hole 21 is adapted to the shape of the support rod 31.

The anchor rod 32 is inserted into the foundation for enhancing the anti-slip capability of the foundation pit supporting structure and improving the stability of the foundation pit supporting structure. The anchor rod 32 and the support rod 31 are detachably connected so as to be convenient to disassemble, assemble and replace. Specifically, one of the anchor bar 32 and the support bar 31 is provided with a thread groove 321, and the other is provided with a thread section 311 matched with the thread groove 321. The threaded connection between the anchor rod 32 and the support rod 31 is realized through the matching of the threaded section 311 and the threaded groove 321, and the assembly and disassembly are convenient and quick. In this embodiment, the thread groove 321 is formed on the anchor rod 32, and the thread section 311 is formed on the support rod 31.

In terms of specific shape, the anchor rod 32 is a T-shaped rod, the T-shaped rod is installed in the stepped hole of the bottom plate 1 in a matching manner, connection between the anchor rod 32 and the bottom plate 1 is achieved, and stability of matching connection between the T-shaped rod and the stepped hole is good.

To enhance the ease of insertion of the anchor bar 32 into the ground, the bottom of the anchor bar 32 is further tapered.

In terms of the number of the support rods 31 and the anchor rods 32, the support rods 31 and the anchor rods 32 are connected in a one-to-one correspondence manner, the support rods 31 are installed in the inclined holes 21 in a one-to-one correspondence manner, and the anchor rods 32 are installed in the anchor holes 111 in a one-to-one correspondence manner.

In this embodiment, the top of water drainage tank 12 is equipped with the fringe board 5 that a plurality of intervals set up, both is convenient for extract ponding, can play certain effect of sheltering from to water drainage tank 12 again, reduces debris and piles up in water drainage tank 12.

As a preferred technical solution of this embodiment, the foundation pit supporting structure further includes a reinforcing rib plate 4, and the reinforcing rib plate 4 is connected to both the side plate 2 and the bottom plate 1. The bottom plate 1 and the side plates 2 are further connected and fixed by the reinforcing rib plates 4, so that the stability of the foundation pit supporting structure is improved. Specifically, deep floor 4 is the triangle-shaped board that straightens, and two right-angle sides of triangle-shaped board are respectively with curb plate 2 and bottom plate 1 fixed connection, and stability is good. The reinforcing rib plates 4 are arranged in plurality and are arranged at intervals along the length direction of the side plates 2.

To facilitate understanding of the excavation supporting structure of this embodiment, the operation process is described as follows:

during installation, the bottom plate 1 and the side plate 2 are fixed on the side face of the foundation pit, and the anchor rod 32 is installed in the anchoring hole 111, so that the bottom of the anchor rod 32 is inserted into the foundation; one end of the support rod 31 is inserted into the inclined hole 21, and the support rod 31 is rotated to enable the threaded section 311 of the support rod 31 to be screwed into the threaded groove 321 of the anchor rod 32, so that the whole foundation pit supporting structure is installed and fixed;

during the atress, curb plate 2 receives foundation ditch lateral wall pressure to bracing piece 31 application of force and the soil layer to get into inclined hole 21 in to bracing piece 31 tip application of force, and bracing piece 31 orders about stock 32 and pushes down and continue to stretch into the ground to continuously tamp stock 32 in the basis, reduce whole foundation ditch supporting construction risk of sliding, improve the stability of structure.

It should be noted that, in other embodiments, the support rod 31 and the anchor rod 32 may also be inserted and fixed or pinned; the thread groove 321 may be formed in the support rod 31, and the thread section 311 may be formed in the anchor rod 32, so that the thread connection between the support rod and the anchor rod can be realized.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A foundation pit supporting structure, comprising:

a base plate (1) having an anchoring hole (111);

the side plate (2) is fixedly connected with the bottom plate (1);

anchor structure (3), including bracing piece (31) and stock (32) that the slope set up, bracing piece (31) with curb plate (2) are connected, stock (32) with bracing piece (31) are connected, stock (32) install in anchor hole (111) and part wear out anchor hole (111) are located the below of bottom plate (1).

2. Foundation pit support structure according to claim 1, characterized in that the support bar (31) and the anchor bar (32) are detachably connected.

3. The foundation pit supporting structure according to claim 2, wherein one of the anchor rods (32) and the support rods (31) is provided with a threaded groove (321), and the other is provided with a threaded section (311) engaged with the threaded groove (321).

4. The foundation pit supporting structure according to claim 3, wherein the anchoring hole (111) is a stepped hole, and the anchor rod (32) is a T-shaped rod which is fittingly installed in the stepped hole.

5. The foundation pit supporting structure according to any one of claims 1-4, wherein the top surface of the bottom plate (1) is provided with an inclined surface (11), the lower end of the inclined surface (11) is close to the side plate (2), the high end of the inclined surface (11) is far away from the side plate (2), and the anchoring hole (111) is opened on the inclined surface (11).

6. An excavation supporting construction according to claim 5, wherein the axes of the anchoring holes (111) are arranged perpendicular to the inclined plane (11).

7. The foundation pit supporting structure according to any one of claims 1 to 4, wherein an inclined hole (21) is formed in the side plate (2), a high end of the inclined hole (21) is far away from the bottom plate (1) and a low end of the inclined hole (21) is arranged near the bottom plate (1), and an end of the support rod (31) far away from the anchor rod (32) is arranged in the inclined hole (21).

8. Foundation pit support structure according to any one of claims 1-4, characterized in that the side of the bottom plate (1) facing away from the side plate (2) is provided with a drainage channel (12).

9. Foundation pit support structure according to claim 8, characterized in that the top of the drainage channel (12) is provided with a plurality of spaced-apart striated plates (5).

10. The foundation pit supporting structure according to any one of claims 1 to 4, further comprising a reinforcing rib plate (4), wherein the reinforcing rib plate (4) is connected with both the side plate (2) and the bottom plate (1).