Interlayer soil retaining device for outward transportation of earthwork of multi-layer deep foundation pit

Abstract

The utility model discloses a multilayer deep foundation pit earthwork outward transportation interlayer soil retaining device which comprises cross beams and stand columns, the cross beams comprise an upper cross beam, a middle cross beam and a lower cross beam, the upper cross beam, the middle cross beam and the lower cross beam are sequentially arranged at intervals from top to bottom, and the stand columns comprise a left stand column, a middle stand column and a right stand column. The left stand column, the middle stand column and the right stand column are sequentially arranged at intervals from left to right, the left stand column, the middle stand column and the right stand column are all arranged between the upper cross beam and the lower cross beam, and the middle cross beam is arranged between the left stand column and the right stand column and penetrates through the side wall of the middle stand column. A steel plate is arranged between the upper cross beam and the lower cross beam and used for sealing gaps between the cross beams and the stand columns. The device is used for multi-layer deep foundation pit earthwork outward transportation engineering construction, the backfill ramp earthwork amount is reduced by nearly half, the foundation pit earthwork excavation progress is accelerated, and the foundation pit excavation time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pit support, in particular to a multi-layer deep foundation pit earthwork outer transportation interlayer retaining device. Background Art

[0002] As land resources are becoming increasingly scarce, urban construction is developing towards the air and underground, and there are more and more ultra-deep and ultra-large foundation pit projects. The transportation of deep foundation pit support earthwork is an insurmountable link in foundation pit excavation. The setting of the excavation ramp in the pit can reduce the amount of earthwork backfilling while meeting the requirements of earthwork transportation;

[0003] Traditional retaining device design often involves multiple components and connection points, which not only increases material costs, but also makes the overall structure more complicated. Due to the complexity of the structural design, the installation process often requires a lot of manpower and time investment. The complex structural design and cumbersome installation process directly affect the construction efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the above technical problems, thereby providing a multi-layer deep foundation pit earthwork outer transportation interlayer retaining device;

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model provides a multi-layer deep foundation pit earthwork outer transportation interlayer retaining device.

[0007] It includes a crossbeam and columns, the crossbeam includes an upper crossbeam, a middle crossbeam and a lower crossbeam, the upper crossbeam, the middle crossbeam and the lower crossbeam are sequentially spaced from top to bottom, the columns include a left column, a middle column and a right column, the left column, the middle column and the right column are sequentially spaced from left to right, the left column, the middle column and the right column are all arranged between the upper crossbeam and the lower crossbeam, the middle crossbeam is arranged between the left column and the right column and passes through the side wall of the middle column, a steel plate is arranged between the upper crossbeam and the lower crossbeam, and the steel plate is used to close the gap between the crossbeam and the columns.

[0008] Optionally, the side wall of the upper cross beam is provided with an upper connecting piece, and the side wall of the lower cross beam is provided with a lower connecting piece.

[0009] Optionally, the upper connecting members are arranged into several groups, and the groups of upper connecting members are evenly spaced apart, and the lower connecting members are arranged into several groups, and the groups of lower connecting members are evenly spaced apart.

[0010] Optionally, the neutral columns are arranged in at least two groups, and the two groups of neutral columns are arranged with an interval between them.

[0011] Optionally, the upper cross beam and the upper connecting member are provided with an integrally formed structure, or the upper connecting member is fixedly welded to the side wall of the upper cross beam;

[0012] The lower cross beam and the lower connecting member are arranged as an integrally formed structure, or the lower connecting member is fixedly welded to the side wall of the lower cross beam.

[0013] Optionally, the steel plate is provided with reinforcing ribs, and the reinforcing ribs are used to enhance the structural stability of the steel plate.

[0014] Beneficial effects of the utility model

[0015] The utility model is used for the construction of multi-layer deep foundation pit earthwork transportation projects. The amount of earthwork for backfilling ramps is reduced by nearly half, which speeds up the progress of foundation pit earthwork excavation, shortens the foundation pit excavation time, and reduces the comprehensive construction cost. In addition, the structural process material processing is simple, the construction is fast, and it is safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the structure of the utility model.

[0017] Figure 2 It is a side view of the structure of the utility model.

[0018] Explanation of the accompanying drawings: 1-left column, 2-middle column, 3-upper cross beam, 4-right column, 5-middle cross beam, 6-lower cross beam, 7-upper connecting piece, 8-lower connecting piece, 9-steel plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] like Figure 1-Figure 2 As shown, the utility model provides a multi-layer deep foundation pit earthwork outer transportation interlayer retaining device,

[0022] It includes a crossbeam and a column, the crossbeam includes an upper crossbeam 3, a middle crossbeam 5, and a lower crossbeam 6, the upper crossbeam 3, the middle crossbeam 5, and the lower crossbeam 6 are sequentially arranged from top to bottom, the column includes a left column 1, a middle column 2, and a right column 3, the left column 1, the middle column 2, and the right column 3 are sequentially arranged from left to right, the left column 1, the middle column 2, and the right column 3 are all arranged between the upper crossbeam 3 and the lower crossbeam 6, the middle crossbeam 5 is arranged between the left column 1 and the right column 3, and passes through the side wall of the middle column 2, a steel plate 9 is arranged between the upper crossbeam 3 and the lower crossbeam 6, and the steel plate 9 is used to close the gap between the crossbeam and the column,

[0023] The utility model is composed of an upper crossbeam 3, a middle crossbeam 5, a lower crossbeam 6, a left column 1, a middle column 2, and a right column 3. These crossbeams and columns are arranged in sequence at intervals to form a support frame. A steel plate 9 is arranged between the upper crossbeam 3 and the lower crossbeam 6 to close the gap between the crossbeams and the columns. When the earth is transported outside, the retaining device is fixed on the upper and lower concrete support beams to prevent backfill soil from entering between the support ring beam layers.

[0024] The side walls of the upper cross beam 3 are provided with upper connecting members 7, and the side walls of the lower cross beam 6 are provided with lower connecting members 8. The upper connecting members 7 are arranged in several groups, and the several groups of upper connecting members 7 are evenly spaced apart. The lower connecting members 8 are arranged in several groups, and the several groups of lower connecting members 8 are evenly spaced apart. The upper cross beam 3 and the lower cross beam 6 are respectively provided with upper connecting members 7 and lower connecting members 8 on their side walls for connecting and fixing the entire device to provide additional stability.

[0025] The central pillars 2 are at least arranged in two groups, and the two groups of central pillars 2 are arranged at intervals to improve the overall stability;

[0026] The upper cross beam 3 and the upper connecting member 7 are arranged as an integrally formed structure, or the upper connecting member 7 is fixedly welded to the side wall of the upper cross beam 3; in this embodiment, the upper cross beam 3 and the upper connecting member 7 are arranged as an integrally formed structure, and the integrally formed structure facilitates improving the overall structural strength.

[0027] The lower cross beam 6 and the lower connecting member 8 are configured as an integrally formed structure, or the lower connecting member 8 is fixedly welded to the side wall of the lower cross beam 6. In this embodiment, the lower cross beam 6 and the lower connecting member 8 are configured as an integrally formed structure, and the integrally formed structure facilitates improving the overall structural strength.

[0028] The steel plate 9 is provided with reinforcing ribs to enhance the structural stability of the steel plate 9 and ensure that the steel plate 9 will not be deformed when subjected to earth pressure.

[0029] The utility model is used for the construction of multi-layer deep foundation pit earthwork transportation projects. The amount of earthwork for backfilling ramps is reduced by nearly half, which speeds up the progress of foundation pit earthwork excavation, shortens the foundation pit excavation time, and reduces the comprehensive construction cost. In addition, the structural process material processing is simple, the construction is fast, and it is safe and reliable.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A multi-layer deep foundation pit earthwork transport interlayer retaining device, characterized in that: It includes a crossbeam and columns, the crossbeam includes an upper crossbeam, a middle crossbeam and a lower crossbeam, the upper crossbeam, the middle crossbeam and the lower crossbeam are sequentially spaced from top to bottom, the columns include a left column, a middle column and a right column, the left column, the middle column and the right column are sequentially spaced from left to right, the left column, the middle column and the right column are all arranged between the upper crossbeam and the lower crossbeam, the middle crossbeam is arranged between the left column and the right column and passes through the side wall of the middle column, a steel plate is arranged between the upper crossbeam and the lower crossbeam, and the steel plate is used to close the gap between the crossbeam and the columns.

2. A multi-layer deep foundation pit earthwork transport interlayer retaining device according to claim 1, characterized in that: The side wall of the upper cross beam is provided with an upper connecting piece, and the side wall of the lower cross beam is provided with a lower connecting piece.

3. A multi-layer deep foundation pit earthwork transport interlayer retaining device according to claim 2, characterized in that: The upper connecting members are arranged in a plurality of groups, and the plurality of groups of upper connecting members are evenly spaced apart. The lower connecting members are arranged in a plurality of groups, and the plurality of groups of lower connecting members are evenly spaced apart.

4. The multi-layer deep foundation pit earthwork transport interlayer retaining device according to claim 1 is characterized in that: The neutral columns are arranged in at least two groups, and the two groups of neutral columns are arranged at intervals.

5. The multi-layer deep foundation pit earthwork transport interlayer retaining device according to claim 2 is characterized in that: The upper cross beam and the upper connecting member are provided with an integrally formed structure, or the upper connecting member is fixedly welded to the side wall of the upper cross beam; The lower cross beam and the lower connecting member are arranged as an integrally formed structure, or the lower connecting member is fixedly welded to the side wall of the lower cross beam.

6. The multi-layer deep foundation pit earthwork transport interlayer retaining device according to claim 1 is characterized in that: The steel plate is provided with reinforcing ribs, and the reinforcing ribs are used to enhance the structural stability of the steel plate.

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