Deep foundation pit supporting retaining wall

Abstract

The utility model provides a deep foundation pit supporting retaining wall which comprises a first row of piles and a second row of piles, the first row of piles and the second row of piles are arranged in the length direction of a deep foundation pit, and the bottoms of the first row of piles and the second row of piles penetrate through a concrete wall and extend into the deep foundation pit. The concrete wall is arranged at the inner bottom of the deep foundation pit, a connecting plate is arranged on the first row of piles, the connecting plate is connected with the deep foundation pit through anchor cables and anchor rods, a plurality of layers of hollow bricks are further arranged on the second row of piles in a penetrating mode, and the hollow bricks are piled at the top of the concrete wall. The utility model has the following beneficial effects: through the design of the supporting mechanism, the supporting plate, the connecting rod and the inclined supporting rod can form a connecting frame, and the connecting frame provides a connecting frame for the first row of piles and the second row of piles which are inserted into the concrete wall; a stable supporting system is formed between the first row of piles and the second row of piles.

Description

Technical Field

[0001] The utility model relates to a deep foundation pit supporting retaining wall, belonging to the field of deep foundation pit supporting retaining walls. Background Art

[0002] The deep foundation pit support retaining wall is a structure used to protect the stability of the deep foundation pit slope and prevent earth collapse.

[0003] Chinese patent document CN103741712B discloses a retaining wall construction method. This patent improves the overall strength of the retaining wall by installing hollow cement bricks on the top of the retaining wall and pouring concrete into all the hollow cement bricks. However, it has the following defects: the hollow cement bricks lack traction from the foundation pit, and excavation of the foundation pit easily causes the hollow cement bricks to tend to move into the pit. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a deep foundation pit supporting retaining wall.

[0005] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0006] A deep foundation pit support retaining wall comprises a first row of piles and a second row of piles, both of which are arranged along the length direction of the deep foundation pit, the bottoms of the first row of piles and the second row of piles pass through a concrete wall and extend to the inside of the deep foundation pit, the concrete wall is arranged at the inner bottom of the deep foundation pit, a connecting plate is provided on the first row of piles, the connecting plate and the deep foundation pit are connected by anchor cables and anchor rods, a plurality of layers of hollow bricks are also passed through the second row of piles, the hollow bricks are stacked on top of the concrete wall, a supporting mechanism is provided on the side of the hollow bricks away from the connecting plate, and backfill soil is filled between the other side of the hollow bricks and the slope of the deep foundation pit.

[0007] Furthermore, the supporting mechanism includes a supporting plate arranged on the side of the hollow brick, the bottom of one side of the supporting plate is clamped in the reinforcement, the reinforcement is fixed to the concrete wall, the top of one side of the supporting plate is connected to the concrete wall through a diagonal brace, and several rows of connecting rods are provided on the other side of the supporting plate, and the ends of the connecting rods pass through the hollow brick and are connected and fixed to the side of the connecting plate.

[0008] Furthermore, the hollow brick is provided with an opening matched with the connecting rod, and the connecting rod is provided with a through hole matched with the second row of piles.

[0009] Furthermore, the hollow bricks are cement hollow bricks built with mortar, and the hollow bricks are filled with concrete, which fills the gaps in the hollow bricks.

[0010] Furthermore, a clamping groove matching with the bottom of the supporting plate is formed on the top of the reinforcing member, and a reinforcing plate is provided on the reinforcing member.

[0011] Furthermore, an upper docking hole matching with the second row of piles is formed on the hollow brick, and a lower docking hole matching with the second row of piles is formed on the concrete wall.

[0012] Furthermore, the connection plate is provided with two upper docking holes matched with the first row of piles, and the concrete wall is provided with two lower docking holes matched with the first row of piles.

[0013] Furthermore, the angle between the diagonal brace and the horizontal plane is 45°-60°.

[0014] Beneficial effects of the utility model:

[0015] Through the design of the support mechanism, a connecting frame can be formed by the support plates, connecting rods and diagonal braces, which provides a connecting frame for the first row of piles and the second row of piles inserted in the concrete wall, so that a stable support system is formed between the first row of piles and the second row of piles.

[0016] The reinforcement piece can provide a stable support for the support plate. At the same time, the design of the snap-in groove allows the reinforcement piece and the support plate to be stably connected together.

[0017] By designing the reinforcement plate, the strength and stability of the reinforcement can be improved.

[0018] Through the design of the connecting plates, several rows of connecting plates can be connected to the first row of piles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure of a deep foundation pit support retaining wall of the utility model;

[0021] Figure 2 It is a partial structural schematic diagram of a deep foundation pit support retaining wall of the utility model;

[0022] Figure 3 This is a schematic diagram of the connection structure of a connection plate, a support plate and a connection rod of a deep foundation pit support retaining wall of the utility model;

[0023] Figure 4 This is a schematic diagram of the connection structure of a reinforcement member and a reinforcement plate of a deep foundation pit support retaining wall of the utility model;

[0024] Figure 5 It is a structural schematic diagram of a deep foundation pit support retaining wall in an application state according to the utility model.

[0025] In the figure, 1. deep foundation pit; 2. first row of piles; 3. second row of piles; 4. connecting plate; 5. anchor cable; 6. anchor rod; 7. hollow brick; 8. concrete wall; 9. supporting plate; 10. connecting rod; 11. diagonal brace rod; 12. reinforcement piece; 13. reinforcing plate; 14. snap-in groove; 15. backfill soil; 16. upper docking hole one; 17. upper docking hole two; 18. lower docking hole two. DETAILED DESCRIPTION

[0026] 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 in 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.

[0027] See also Figure 1-Figure 5 The utility model provides a technical solution for a deep foundation pit support retaining wall, including a first row of piles 2 and a second row of piles 3, both of which are arranged along the length direction of a deep foundation pit 1, and the bottoms of the first row of piles 2 and the second row of piles 3 pass through a concrete wall 8 and extend to the inside of the deep foundation pit 1, and the concrete wall 8 is arranged at the inner bottom of the deep foundation pit 1, and a connecting plate 4 is arranged on the first row of piles 2, and the connecting plate 4 is connected to the deep foundation pit 1 through an anchor cable 5 and an anchor rod 6, and a plurality of layers of hollow bricks 7 are also penetrated on the second row of piles 3, and the hollow bricks 7 are stacked on the concrete wall 8, a supporting mechanism is provided on the side of the hollow brick 7 away from the connecting plate 4, and backfill soil 15 is filled between the other side of the hollow brick 7 and the slope of the deep foundation pit 1; an upper docking hole 16 is provided on the hollow brick 7 to match the second row of piles 3, a lower docking hole 1 is provided on the concrete wall 8 to match the second row of piles 3, an upper docking hole 2 17 is provided on the connecting plate 4 to match the first row of piles 2, and a lower docking hole 2 18 is provided on the concrete wall 8 to match the first row of piles 2, and the angle between the diagonal brace 11 and the horizontal plane is 45°-60°.

[0028] See also Figure 1-Figure 5The supporting mechanism includes a supporting plate 9 arranged on the side of the hollow brick 7, the bottom of one side of the supporting plate 9 is clamped in the reinforcing member 12, the reinforcing member 12 is fixed on the concrete wall 8, the top of one side of the supporting plate 9 is connected to the concrete wall 8 through a diagonal brace 11, and a plurality of rows of connecting rods 10 are provided on the other side of the supporting plate 9, and the ends of the connecting rods 10 pass through the hollow brick 7 and are connected and fixed to the side of the connecting plate 4.

[0029] See also Figure 1-Figure 2 The hollow brick 7 is provided with an opening that matches the connecting rod 10, and the connecting rod 10 is provided with a through hole that matches the second row of piles 3; the opening design makes it convenient for the connecting rod 10 to pass through the hollow brick 7, and the through hole design makes it convenient for the connecting rod 10 to be connected with the second row of piles 3.

[0030] See also Figure 2 The hollow brick 7 is a cement hollow brick built with mortar, and the hollow brick 7 is filled with concrete, and the concrete fills the gap in the hollow brick 7; through the filling of concrete, the hollow brick 7 can be tightly connected with the second row of piles 3 and the connecting plate 10, thereby improving the strength, compression resistance and bending resistance of the three.

[0031] See also Figure 4 The top of the reinforcing member 12 is provided with a snap-in groove 14 which matches with the bottom of the supporting plate 9, and a reinforcing plate 13 is provided on the reinforcing member 12; the reinforcing member 12 can provide a stable support for the supporting plate 9, and at the same time, the design of the snap-in groove 14 enables the reinforcing member 12 and the supporting plate 9 to be stably connected together; through the design of the reinforcing plate 13, the strength and stability of the reinforcing member 12 can be improved.

[0032] When in use, the diagonal brace rod 11 provides a front support for the deep foundation pit retaining wall, and the anchor cable 5 and the anchor rod 6 provide a rear pull for the deep foundation pit retaining wall. The front support and rear pull form a resistance moment, thereby improving the overall stability and anti-overturning stability of the deep foundation pit retaining wall.

[0033] At the same time, the support plate 9, the connecting rod 10 and the diagonal brace rod 11 form a connecting frame, which provides a connecting frame for the first row of piles 2 and the second row of piles 3 inserted in the concrete wall 8, so that a stable supporting system is formed between the first row of piles 2 and the second row of piles 3;

[0034] The reinforcement piece 12 can provide a stable support for the support plate 9 . At the same time, the design of the snap-in groove 14 allows the reinforcement piece 12 and the support plate 9 to be stably connected together. At the same time, the reinforcing plate 13 can improve the strength and stability of the reinforcement piece 12 .

[0035] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A deep foundation pit support retaining wall, characterized in that: The invention comprises a first row of piles (2) and a second row of piles (3), both of which are arranged along the length direction of a deep foundation pit (1), the bottoms of the first row of piles (2) and the second row of piles (3) pass through a concrete wall (8) and extend into the interior of the deep foundation pit (1), the concrete wall (8) is arranged at the inner bottom of the deep foundation pit (1), a connecting plate (4) is provided on the first row of piles (2), the connecting plate (4) and the deep foundation pit (1) are connected via anchor cables (5) and anchor rods (6), a plurality of layers of hollow bricks (7) are also passed through the second row of piles (3), the hollow bricks (7) are stacked on the top of the concrete wall (8), a supporting mechanism is provided on the side of the hollow bricks (7) away from the connecting plate (4), and backfill soil (15) is filled between the other side of the hollow bricks (7) and the slope of the deep foundation pit (1).

2. A deep foundation pit support retaining wall according to claim 1, characterized in that: The support mechanism comprises a support plate (9) arranged on the side of the hollow brick (7), the bottom of one side of the support plate (9) being clamped in a reinforcement member (12), the reinforcement member (12) being fixed on the concrete wall (8), the top of one side of the support plate (9) being connected to the concrete wall (8) via an inclined brace (11), and a plurality of rows of connecting rods (10) being arranged on the other side of the support plate (9), the ends of the connecting rods (10) passing through the hollow brick (7) and being connected and fixed to the side of the connecting plate (4).

3. A deep foundation pit support retaining wall according to claim 2, characterized in that: The hollow brick (7) is provided with an opening that matches the connecting rod (10), and the connecting rod (10) is provided with a through hole that matches the second row of piles (3).

4. A deep foundation pit support retaining wall according to claim 3, characterized in that: The hollow bricks (7) are cement hollow bricks built with mortar, and the hollow bricks (7) are filled with concrete, which fills the gaps in the hollow bricks (7).

5. A deep foundation pit support retaining wall according to claim 4, characterized in that: The top of the reinforcing member (12) is provided with a snap-in groove (14) that matches the bottom of the supporting plate (9), and the reinforcing member (12) is provided with a reinforcing plate (13).

6. A deep foundation pit retaining wall according to claim 5, characterized in that: The hollow brick (7) is provided with an upper docking hole (16) that matches the second row of piles (3), and the concrete wall (8) is provided with a lower docking hole that matches the second row of piles (3).

7. A deep foundation pit retaining wall according to claim 6, characterized in that: The connection plate (4) is provided with two upper docking holes (17) that match the first row of piles (2), and the concrete wall (8) is provided with two lower docking holes (18) that match the first row of piles (2).

8. A deep foundation pit retaining wall according to claim 2, characterized in that: The angle between the diagonal brace (11) and the horizontal plane is 45°-60°.

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