Shallow soft foundation replacement and filling structure

Abstract

The utility model relates to the technical field of roadbed engineering, in particular to a shallow soft foundation replacement and filling structure which comprises a cushion layer bottom face, a first connecting layer fixedly connected to the top of the cushion layer bottom face, an anti-permeable layer fixedly connected to the top of the first connecting layer, and a second connecting layer fixedly connected to the top of the anti-permeable layer. A filling layer is fixedly connected to the top of the second connecting layer, a connecting groove is formed in the inner bottom wall of the filling layer, and reinforcing stone piles are fixedly connected into the connecting groove. Through the arrangement of the connecting grooves and the reinforcing stone piles, during use, the reinforcing stone piles are supported and fixed through the arrangement of the connecting grooves, the reinforcing stone piles can support and reinforce the replacement filling structure, the overall strength of the replacement filling structure is improved, and the effect of improving the bearing force of a foundation is achieved; and the situation that the foundation is prone to collapse and safety damage is caused due to insufficient supporting force and bearing force in the foundation after replacement and filling is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed engineering, in particular to a shallow soft foundation replacement structure. Background Art

[0002] Soft soil foundation refers to a soft soil layer with low strength and high compression, which is a common foundation in special areas. Soft foundation replacement is an effective method to improve shallow soft foundation. It is to dig out the soft soil layer of a certain depth and then backfill it with materials with higher strength, lower compression and stable performance to improve the bearing capacity and stability of the foundation, slow down the speed and impact of foundation settlement, and finally achieve the purpose of strengthening the soft foundation.

[0003] However, the existing shallow soft foundation replacement structure has the following disadvantages:

[0004] (1) The existing shallow soft foundation replacement structure has a weak reinforcement function. When in use, the foundation is prone to collapse due to insufficient internal support and bearing capacity after replacement, causing safety damage;

[0005] (2) The existing shallow soft foundation replacement structure has a weak anti-seepage function. When in use, excessive water accumulates at the bottom of the foundation, causing the overall strength of the foundation to decrease, making it unfavorable for continued use. Summary of the invention

[0006] The utility model aims to provide a shallow soft foundation replacement structure to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A shallow soft foundation replacement structure, comprising

[0009] The bottom surface of the cushion layer, the top of the bottom surface of the cushion layer is fixedly connected with a first connecting layer, the top of the first connecting layer is fixedly connected with a waterproof layer, the top of the waterproof layer is fixedly connected with a second connecting layer, the top of the second connecting layer is fixedly connected with a filling layer, the inner bottom wall of the filling layer is provided with a connecting groove, the interior of the connecting groove is fixedly connected with a reinforcing stone pile, the reinforcing stone pile is supported and fixed by the setting of the connecting groove, the reinforcing stone pile can support and reinforce the replacement structure, improve the overall strength of the replacement structure, achieve the effect of improving the bearing capacity of the foundation, avoid the situation that the internal support and bearing capacity of the foundation after the replacement are insufficient, which makes the foundation easy to collapse and causes safety damage, the waterproof layer is supported and fixed by the setting of the first connecting layer, the waterproof layer has waterproof property, and after the foundation is replaced, it can prevent fluid from accumulating inside the foundation, achieve the effect of waterproof, avoid excessive water accumulation at the bottom of the foundation, which causes the overall strength of the foundation to be reduced, which is not conducive to continued use.

[0010] Preferably, a third connecting layer is provided on the inner side wall of the filling layer, and a sand and gravel filler is fixedly connected to the inner side wall of the second connecting layer. The sand and gravel filler is supported by the third connecting layer. The sand and gravel filler can improve the bearing capacity of the foundation, improve the overall flatness of the foundation surface, and thereby improve the subsequent road driving safety.

[0011] Preferably, the top of the filling layer is fixedly connected to a fourth connecting layer, and the top of the fourth connecting layer is fixedly connected to a reinforced top layer. The reinforced top layer is supported and fixed by the setting of the fourth connecting layer, and the overall strength of the foundation can be further improved by the setting of the reinforced top layer.

[0012] Preferably, the top of the reinforced top layer is fixedly connected to a first fixing layer, and the top of the first fixing layer is fixedly connected to a top base layer, and the top base layer is supported and fixed by the provision of the first fixing layer.

[0013] Preferably, the top of the top base layer is fixedly connected to a second fixing layer, and the top of the second fixing layer is fixedly connected to a surface layer, and the surface layer is supported and fixed by the second fixing layer.

[0014] Preferably, large-diameter gravel is arranged inside the bottom surface of the cushion layer, small-diameter gravel is arranged inside the bottom surface of the cushion layer, and large-diameter gravel and small-diameter gravel are arranged inside the cushion layer ground surface, both of which can improve the overall bearing capacity of the structure.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model arranges connecting grooves and reinforcing stone piles. When in use, the reinforcing stone piles are supported and fixed by the arrangement of the connecting grooves. The reinforcing stone piles can support and reinforce the replacement structure, improve the overall strength of the replacement structure, and achieve the effect of improving the bearing capacity of the foundation, thereby avoiding the situation where the internal supporting force and bearing capacity of the foundation after replacement are insufficient, resulting in easy collapse of the foundation and causing safety damage.

[0017] The utility model arranges the first connecting layer and the waterproof layer. When in use, the waterproof layer is supported and fixed by the arrangement of the first connecting layer. The waterproof layer has waterproof property and can prevent fluid from accumulating inside the foundation after the foundation is replaced, thereby achieving the waterproof effect and avoiding the situation where excessive water flow accumulates at the bottom of the foundation, resulting in reduced overall strength of the foundation, which is not conducive to continued use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0019] Figure 2 It is a side plan view schematic diagram of the utility model;

[0020] Figure 3 For the utility model Figure 2 The enlarged schematic diagram at A in the middle;

[0021] Figure 4 For the utility model Figure 2 The enlarged schematic diagram of point B in the middle;

[0022] Figure 5 It is a schematic diagram of the partial structural disassembly of the device of the utility model.

[0023] In the figure: 1. bottom surface of cushion layer; 2. first connecting layer; 3. waterproof layer; 4. second connecting layer; 5. filling layer; 6. connecting groove; 7. reinforced stone piles; 8. third connecting layer; 9. sand and gravel filling; 10. fourth connecting layer; 11. reinforced top layer; 12. first fixing layer; 13. top base layer; 14. second fixing layer; 15. surface layer; 16. large diameter sand and gravel; 17. small diameter sand and gravel. DETAILED DESCRIPTION

[0024] See also Figure 1-Figure 5 Shown is an embodiment of the utility model:

[0025] A shallow soft foundation replacement structure, comprising

[0026] The bottom surface 1 of the cushion layer, the top of the bottom surface 1 of the cushion layer is fixedly connected with a first connecting layer 2, the top of the first connecting layer 2 is fixedly connected with a waterproof layer 3, the top of the waterproof layer 3 is fixedly connected with a second connecting layer 4, the top of the second connecting layer 4 is fixedly connected with a filling layer 5, the inner bottom wall of the filling layer 5 is provided with a connecting groove 6, the interior of the connecting groove 6 is fixedly connected with a reinforcing stone pile 7, the reinforcing stone pile 7 is supported and fixed by the setting of the connecting groove 6, the reinforcing stone pile 7 can support and reinforce the replacement structure, improve the overall strength of the replacement structure, achieve the effect of improving the bearing capacity of the foundation, avoid the situation that the internal supporting force and bearing capacity of the foundation after replacement are insufficient, resulting in the foundation being easy to collapse and causing safety damage, the waterproof layer 3 is supported and fixed by the setting of the first connecting layer 2, the waterproof layer 3 has waterproof property, after the foundation is replaced, it can prevent fluid from accumulating inside the foundation, achieve the effect of waterproof, avoid excessive water accumulation at the bottom of the foundation, resulting in the overall strength of the foundation being reduced, which is not conducive to continued use;

[0027] In this embodiment, preferably, the inner wall of the filling layer 5 is provided with a third connecting layer 8, and the inner wall of the second connecting layer 4 is fixedly connected with a gravel filler 9. The gravel filler 9 is supported by the third connecting layer 8. The gravel filler 9 can improve the bearing capacity of the foundation, improve the overall flatness of the foundation surface, and thus improve the subsequent road driving safety;

[0028] In this embodiment, the top of the filling layer 5 is fixedly connected with a fourth connecting layer 10, and the top of the fourth connecting layer 10 is fixedly connected with a reinforcing top layer 11. The reinforcing top layer 11 is supported and fixed by the fourth connecting layer 10, and the overall strength of the foundation can be further improved by the reinforcing top layer 11.

[0029] In this embodiment, the top of the reinforcement top layer 11 is fixedly connected to the first fixing layer 12, and the top of the first fixing layer 12 is fixedly connected to the top base layer 13, and the top base layer 13 is supported and fixed by the arrangement of the first fixing layer 12;

[0030] In this embodiment, the top of the top base layer 13 is fixedly connected to the second fixing layer 14, and the top of the second fixing layer 14 is fixedly connected to the surface layer 15, and the surface layer 15 is supported and fixed by the second fixing layer 14;

[0031] In this embodiment, large-diameter gravel 16 is arranged inside the bottom surface 1 of the cushion layer, small-diameter gravel 17 is arranged inside the bottom surface 1 of the cushion layer, and large-diameter gravel 16 and small-diameter gravel 17 are arranged inside the cushion layer ground surface, which can improve the overall bearing capacity of the structure.

[0032] When this embodiment is in use, the reinforcing stone piles 7 are supported and fixed by setting the connecting grooves 6. The reinforcing stone piles 7 can support and reinforce the replacement structure, improve the overall strength of the replacement structure, and achieve the effect of improving the bearing capacity of the foundation, avoiding the situation where the internal support and bearing capacity of the foundation after replacement are insufficient, which leads to easy collapse of the foundation and causes safety damage. The waterproof layer 3 is supported and fixed by the setting of the first connecting layer 2. The waterproof layer 3 has waterproof properties. After the foundation is replaced, it can prevent fluid from accumulating inside the foundation, achieving the waterproof effect, avoiding excessive water accumulation at the bottom of the foundation, resulting in a decrease in the overall strength of the foundation, which is unfavorable. In the case of continued use, the gravel filler 9 is supported by the setting of the third connecting layer 8. The gravel filler 9 can improve the bearing capacity of the foundation, improve the overall flatness of the foundation surface, and thus improve the subsequent road driving safety. The reinforced top layer 11 is supported and fixed by the setting of the fourth connecting layer 10, and the overall strength of the foundation can be further improved by the setting of the reinforced top layer 11. The top base layer 13 is supported and fixed by the setting of the first fixed layer 12, and the surface layer 15 is supported and fixed by the setting of the second fixed layer 14. Large-diameter gravel 16 and small-diameter gravel 17 are arranged inside the cushion layer, and the two can improve the overall bearing capacity of the structure.

Claims

1. A shallow soft foundation replacement structure, characterized by: include A cushion layer bottom surface (1), the top of the cushion layer bottom surface (1) is fixedly connected to a first connection layer (2), the top of the first connection layer (2) is fixedly connected to a waterproof layer (3), the top of the waterproof layer (3) is fixedly connected to a second connection layer (4), the top of the second connection layer (4) is fixedly connected to a filling layer (5), the inner bottom wall of the filling layer (5) is provided with a connection groove (6), and the interior of the connection groove (6) is fixedly connected to a reinforcement stone pile (7).

2. A shallow soft foundation replacement structure according to claim 1, characterized in that: The inner side wall of the filling layer (5) is provided with a third connecting layer (8), and the inner side wall of the second connecting layer (4) is fixedly connected with a sand and gravel filling material (9).

3. A shallow soft foundation replacement structure according to claim 1, characterized in that: The top of the filling layer (5) is fixedly connected to a fourth connection layer (10), and the top of the fourth connection layer (10) is fixedly connected to a reinforcement top layer (11).

4. A shallow soft foundation replacement structure according to claim 3, characterized in that: The top of the reinforced top layer (11) is fixedly connected to the first fixed layer (12), and the top of the first fixed layer (12) is fixedly connected to the top base layer (13).

5. A shallow soft foundation replacement structure according to claim 4, characterized in that: The top of the top base layer (13) is fixedly connected to a second fixed layer (14), and the top of the second fixed layer (14) is fixedly connected to a surface layer (15).

6. The shallow soft foundation replacement structure according to claim 1 is characterized by: The interior of the cushion layer bottom surface (1) is provided with large-diameter gravel (16), and the interior of the cushion layer bottom surface (1) is provided with small-diameter gravel (17).

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