Foundation pit supporting assembly for engineering construction

Abstract

The utility model discloses a foundation pit supporting assembly for engineering construction, and relates to the technical field of foundation pit supporting, the foundation pit supporting assembly comprises a foundation pit supporting column and a supporting pouring assembly, the outer wall of the top of the foundation pit supporting column is connected with a supporting plate in a clamping mode, and the supporting pouring assembly used for supporting pouring is arranged on the outer wall of the top of the supporting plate. A plastic paper film is arranged on the inner wall of the foundation pit supporting column, and an inner supporting column is connected to the outer wall of the center of the top of the supporting plate. According to the foundation pit supporting assembly for engineering construction, the inner supporting column and the foundation pit supporting column which are combined with concrete have stable structural strength, a plastic paper film can help the disassembly of the foundation pit supporting column, and the disassembled foundation pit supporting column, a first mounting plate, a second mounting plate, a first reinforcing plate, a second reinforcing plate and a connecting plate can be repeatedly used; the situation that a large amount of manpower and materials are consumed in the dismantling process is reduced, and meanwhile the situation that the dismantled construction materials are buried in the soil to cause environmental pollution is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support component for engineering construction. Background Art

[0002] Support is a measure of support, reinforcement and protection for the side walls and surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. In recent years, due to the rapid development of urban subway projects, subway stations and local open excavation also involve a large number of foundation pit projects. In subway stations with double-line intersections, the foundation pit is as deep as 20-30m. Water conservancy and electricity also have problems with foundation pit excavation for underground plants and underground pump rooms.

[0003] Existing foundation pit support components for engineering construction usually include vertical foundation pit support and horizontal temporary enclosures. The horizontal temporary enclosures need to be dismantled, resulting in a large loss of manpower and materials during the dismantling process, poor economic efficiency, and a long construction period. At the same time, the dismantled construction materials may be buried in the soil, causing environmental pollution.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a foundation pit support component for engineering construction is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a foundation pit support component for engineering construction to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit support component for engineering construction, including a foundation pit support column and a support casting component, the top outer wall of the foundation pit support column is snap-connected with a support plate, and the front outer wall and the rear outer wall of the support plate are threadedly connected with anchor nails, the support casting component for support casting is arranged on the top outer wall of the support plate, and the support casting component includes a plastic paper film, an inner support column and a casting area, the inner wall of the foundation pit support column is provided with a plastic paper film, the top central outer wall of the support plate is connected with the inner support column, and a casting area is provided between the inner wall of the plastic paper film and the outer wall of the inner support column.

[0007] Furthermore, the vertical center axis of the inner supporting column is consistent with the vertical center axis of the foundation pit supporting column, and the height of the top outer wall of the inner supporting column is consistent with the height of the top outer wall of the foundation pit supporting column.

[0008] Furthermore, the foundation pit supporting column is in the shape of a hexagonal column, and two anchor nails are provided.

[0009] Furthermore, a first mounting plate and a second mounting plate are connected between the two foundation pit supporting columns, and a second mounting plate is provided on the rear outer wall of the first mounting plate.

[0010] Furthermore, a first mounting groove is formed inside the first mounting plate, and a second mounting groove is formed inside the second mounting plate.

[0011] Furthermore, a temporary enclosure assembly is provided inside the first mounting groove and the second mounting groove, and the temporary enclosure assembly includes a first reinforcement plate, a second reinforcement plate and a connecting plate, the first mounting groove is internally snap-connected with the first reinforcement plate, the second mounting groove is internally snap-connected with the second reinforcement plate, and the outer walls of the first reinforcement plate and the second reinforcement plate are connected with the connecting plate.

[0012] Furthermore, the internal volumes of the first installation slot and the second installation slot are consistent, and the volumes of the first reinforcement plate and the second reinforcement plate are consistent.

[0013] Furthermore, the left and right outer walls of the connecting plate are connected to the first mounting plate and the second mounting plate, and the front outer wall and the rear outer wall of the connecting plate are respectively matched with the first reinforcing plate and the second reinforcing plate.

[0014] The utility model provides a foundation pit support component for engineering construction, which has the following beneficial effects:

[0015] 1. The foundation pit support components of this project are constructed by pouring concrete into the pouring area and the inner support columns. Conical heads are evenly distributed on the outer wall of the inner support columns to increase the outer wall surface area of ​​the inner support columns, so that the contact area between the inner support columns and the concrete liquid is increased. After the concrete solidifies, the installation of the foundation pit support columns and the inner support columns is completed, which can support the foundation pit. The inner support columns and the foundation pit support columns combined with the concrete have stable structural strength.

[0016] 2. The plastic paper film connected between the foundation pit support columns and the concrete columns of the foundation pit support components of the project construction can help dismantle the foundation pit support columns. The dismantled foundation pit support columns can be used multiple times, and the first mounting plate, the second mounting plate, the first reinforcement plate, the second reinforcement plate and the connecting plate can all be reused, which reduces the loss of a large amount of manpower and materials during the dismantling process, and reduces the occurrence of environmental pollution caused by the dismantled construction materials buried in the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the top view of the structure of a foundation pit support assembly for engineering construction of the utility model;

[0018] Figure 2 It is a schematic diagram of the front view structure of a foundation pit support column of a foundation pit support assembly for engineering construction of the utility model;

[0019] Figure 3 The utility model is a three-dimensional structural schematic diagram of a foundation pit support column of a foundation pit support assembly for engineering construction.

[0020] In the figure: 1. foundation pit support column; 2. support plate; 3. anchor nail; 4. support casting assembly; 401. plastic paper film; 402. inner support column; 403. casting area; 5. first mounting plate; 6. second mounting plate; 7. first mounting groove; 8. second mounting groove; 9. temporary enclosure assembly; 901. first reinforcement plate; 902. second reinforcement plate; 903. connecting plate. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] like Figure 1-Figure 3 As shown, a foundation pit support component for engineering construction includes a foundation pit support column 1 and a support casting component 4, the top outer wall of the foundation pit support column 1 is snap-connected with a support plate 2, and the front outer wall and the rear outer wall of the support plate 2 are threadedly connected with anchor nails 3, the support casting component 4 for supporting casting is arranged on the top outer wall of the support plate 2, and the support casting component 4 includes a plastic paper film 401, an inner support column 402 and a casting area 403, the inner wall of the foundation pit support column 1 A plastic paper film 401 is provided, an inner supporting column 402 is connected to the top central outer wall of the support plate 2, and a casting area 403 is provided between the inner wall of the plastic paper film 401 and the outer wall of the inner supporting column 402, the vertical central axis of the inner supporting column 402 is consistent with the vertical central axis of the foundation pit supporting column 1, and the top outer wall height of the inner supporting column 402 is consistent with the top outer wall height of the foundation pit supporting column 1, the foundation pit supporting column 1 is in the shape of a hexagonal prism, and two anchor nails 3 are provided;

[0023] The specific operation is as follows: screw the anchor nail 3 downward into the ground to fix the position of the support plate 2. The foundation pit support column 1 and the inner support column 402 are connected to the ground through the support plate 2. The foundation pit support column 1 and the inner support column 402 are perpendicular to the top outer wall of the support plate 2. Concrete is poured into the pouring area 403 and the inner support column 402. The outer wall of the inner support column 402 is evenly distributed with conical heads to increase the outer wall surface area of ​​the inner support column 402, so that the contact area between the inner support column 402 and the concrete liquid is increased. After the concrete is solidified, the installation of the foundation pit support column 1 and the inner support column 402 is completed, which can play a supporting role for the foundation pit. The inner support column 402 and the foundation pit support column 1 after combining with the concrete have stable structural strength;

[0024] like Figure 1-Figure 3As shown, a first mounting plate 5 and a second mounting plate 6 are connected between the two foundation pit support columns 1, and a second mounting plate 6 is provided on the rear outer wall of the first mounting plate 5, a first mounting groove 7 is provided inside the first mounting plate 5, a second mounting groove 8 is provided inside the second mounting plate 6, a temporary enclosure assembly 9 for use is provided inside the first mounting groove 7 and the second mounting groove 8, and the temporary enclosure assembly 9 includes a first reinforcement plate 901, a second reinforcement plate 902 and a connecting plate 903, and the first reinforcement plate 901 is connected to the first mounting groove 7 by snapping. 901, the second reinforcing plate 902 is connected with the interior of the second mounting groove 8 by snapping, and the outer walls of the first reinforcing plate 901 and the second reinforcing plate 902 are connected with the connecting plate 903, the internal volume of the first mounting groove 7 and the second mounting groove 8 are consistent, the volume of the first reinforcing plate 901 and the second reinforcing plate 902 is consistent, the left and right outer walls of the connecting plate 903 are connected with the first mounting plate 5 and the second mounting plate 6, and the front outer wall and the rear outer wall of the connecting plate 903 are respectively adapted to the first reinforcing plate 901 and the second reinforcing plate 902;

[0025] The specific operation is as follows: insert the first reinforcement plate 901 into the first installation groove 7 inside the first installation plate 5, insert the second reinforcement plate 902 into the second installation groove 8 inside the second installation plate 6, and then insert the connecting plate 903 between the first reinforcement plate 901 and the second reinforcement plate 902, so as to complete the installation of the first reinforcement plate 901, the second reinforcement plate 902 and the connecting plate 903. The first reinforcement plate 901 and the second reinforcement plate 902 play a double blocking role, and the connecting plate 903 can make the first reinforcement plate 901 and the second reinforcement plate 902 connected more tightly and firmly;

[0026] During disassembly, the foundation pit support column 1 is lifted upwards, and the plastic paper film 401 connected between the foundation pit support column 1 and the concrete column can help disassemble the foundation pit support column 1. The disassembled foundation pit support column 1 can be used multiple times, and the first mounting plate 5, the second mounting plate 6, the first reinforcement plate 901, the second reinforcement plate 902 and the connecting plate 903 can all be reused, so that the positioning installation can be quickly achieved and the construction period can be reduced. The dismantling process causes a large amount of manpower and material loss, poor economic efficiency, and a long construction period. At the same time, the dismantled construction materials may be buried in the soil and cause environmental pollution.

[0027] In summary, if Figure 1-Figure 3As shown, when the foundation pit support assembly of the project construction is used, firstly, the anchor nail 3 is screwed downward into the ground to fix the position of the support plate 2. The foundation pit support column 1 and the inner support column 402 are connected to the ground through the support plate 2. Concrete is poured into the casting area 403 and the inner support column 402. Conical heads are evenly distributed on the outer wall of the inner support column 402 to increase the outer wall surface area of ​​the inner support column 402, so that the contact area between the inner support column 402 and the concrete liquid is increased. After the concrete is solidified, the installation of the foundation pit support column 1 and the inner support column 402 is completed, which can play a supporting role for the foundation pit.

[0028] Insert the first reinforcement plate 901 into the first installation groove 7 inside the first installation plate 5, insert the second reinforcement plate 902 into the second installation groove 8 inside the second installation plate 6, and then insert the connecting plate 903 between the first reinforcement plate 901 and the second reinforcement plate 902, so as to complete the installation of the first reinforcement plate 901, the second reinforcement plate 902 and the connecting plate 903. The connecting plate 903 can make the first reinforcement plate 901 and the second reinforcement plate 902 connected more tightly and firmly. When disassembling, lift the foundation pit supporting column 1 upwards, and the plastic paper film 401 connected between the foundation pit supporting column 1 and the concrete column can help the disassembly of the foundation pit supporting column 1. The disassembled foundation pit supporting column 1, the first installation plate 5, the second installation plate 6, the first reinforcement plate 901, the second reinforcement plate 902 and the connecting plate 903 can all be reused, which reduces the situation where a large amount of manpower and material loss is caused during the disassembly process.

[0029] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A foundation pit support assembly for engineering construction, comprising a foundation pit support column (1) and a support casting assembly (4), characterized in that: The top outer wall of the foundation pit support column (1) is snap-connected with a support plate (2), and the front outer wall and the rear outer wall of the support plate (2) are threadedly connected with anchor nails (3). The support casting assembly (4) for supporting and casting is arranged on the top outer wall of the support plate (2), and the support casting assembly (4) comprises a plastic paper film (401), an inner support column (402) and a casting area (403). The inner wall of the foundation pit support column (1) is provided with a plastic paper film (401), the top central outer wall of the support plate (2) is connected with the inner support column (402), and the casting area (403) is arranged between the inner wall of the plastic paper film (401) and the outer wall of the inner support column (402).

2. A foundation pit support assembly for engineering construction according to claim 1, characterized in that: The vertical center axis of the inner supporting column (402) is consistent with the vertical center axis of the foundation pit supporting column (1), and the height of the top outer wall of the inner supporting column (402) is consistent with the height of the top outer wall of the foundation pit supporting column (1).

3. The foundation pit support assembly for engineering construction according to claim 1, characterized in that: The foundation pit support column (1) is in the shape of a hexagonal column, and two anchor nails (3) are provided.

4. The foundation pit support assembly for engineering construction according to claim 1, characterized in that: A first mounting plate (5) and a second mounting plate (6) are connected between the two foundation pit support columns (1), and the rear outer wall of the first mounting plate (5) is provided with the second mounting plate (6).

5. A foundation pit support assembly for engineering construction according to claim 4, characterized in that: A first mounting groove (7) is provided inside the first mounting plate (5), and a second mounting groove (8) is provided inside the second mounting plate (6).

6. A foundation pit support assembly for engineering construction according to claim 5, characterized in that: A temporary enclosure assembly (9) is provided inside the first installation groove (7) and the second installation groove (8), and the temporary enclosure assembly (9) comprises a first reinforcement plate (901), a second reinforcement plate (902) and a connecting plate (903); the first reinforcement plate (901) is snap-fitted inside the first installation groove (7), the second reinforcement plate (902) is snap-fitted inside the second installation groove (8), and the outer walls of the first reinforcement plate (901) and the second reinforcement plate (902) are connected to the connecting plate (903).

7. A foundation pit support assembly for engineering construction according to claim 6, characterized in that: The internal volumes of the first installation groove (7) and the second installation groove (8) are consistent, and the volumes of the first reinforcement plate (901) and the second reinforcement plate (902) are consistent.

8. The foundation pit support assembly for engineering construction according to claim 6, characterized in that: The left and right outer walls of the connecting plate (903) are connected to a first mounting plate (5) and a second mounting plate (6), and the front outer wall and the rear outer wall of the connecting plate (903) are respectively matched with the first reinforcing plate (901) and the second reinforcing plate (902).

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