Roadbed anti-settlement reinforcing device

Abstract

The invention discloses a roadbed anti-settlement reinforcing device, which comprises a connecting pile foundation assembly, a connecting pile foundation assembly, a connecting pile foundation assembly, a reinforcing assembly and a connecting pile foundation assembly, and is characterized in that the connecting pile foundation assembly is arranged in a mounting pit at the top of an original roadbed; the reinforcing net assembly comprises a plurality of layers of reinforcing nets arranged up and down and is arranged in a reinforcing pit in the top of the newly-built roadbed; and the connecting assembly comprises a connecting rod, the connecting rod horizontally penetrates through the soil body between the mounting pit and the reinforcing pit, and the two ends of the connecting rod are connected to the pile columns and the reinforcing net correspondingly so that vertical stress of the reinforcing net can be transmitted to the pile columns. An independent reinforcing pile is changed into the connecting pile assembly arranged in the mounting pit of the original roadbed and the reinforcing net assembly arranged in the reinforcing pit of the newly-built roadbed, and the connecting pile assembly and the reinforcing net assembly are connected into a whole through the connecting assembly, so that the vertical bearing force received by the reinforcing net assembly can be effectively transmitted to the pile column; the whole device is located in the high-strength and high-compactness original roadbed, so that the auxiliary force bearing effect can be well achieved, and faults between the original roadbed and the newly-built roadbed are effectively avoided.

Description

Technical Field

[0001] The invention relates to the field of roadbed settlement protection, and in particular to a roadbed settlement prevention and reinforcement device. Background Art

[0002] During the construction of the new roadbed, due to the difference in compaction and soil firmness between the new roadbed and the original roadbed, collapse and settlement may occur, which may cause a fault between the new roadbed and the original roadbed, affecting road safety. Therefore, it is necessary to reinforce the new roadbed to reduce the settlement and collapse of the new roadbed and avoid fractures and collapses between the new roadbed and the original roadbed.

[0003] The existing technology mainly uses reinforcement rods or reinforcement piles to embed the reinforcement rods or reinforcement piles in the soft roadbed or the newly built roadbed, and then reinforce the newly built roadbed. However, during the embedding process of the reinforcement rods or reinforcement piles, they are limited by the overall volume of the reinforcement rods or reinforcement piles. If a larger area of ​​reinforcement piles is required, a higher height and a larger pile volume are required. Due to cost and installation difficulty considerations, the existing technology generally abandons comprehensive protection of the road surface and focuses on the protection of areas prone to settlement and collapse and some areas where vehicles and pedestrians are walking. Therefore, there is still the possibility of local collapse, which increases the subsequent maintenance cost. At the same time, local collapse may cause the displacement of reinforcement piles and reinforcement rods, which makes the internal reinforcement effect poor.

[0004] In summary, a roadbed anti-settlement reinforcement device is needed to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a roadbed anti-subsidence reinforcement device to solve the problem in the prior art that, since the reinforcement rods or reinforcement piles are mainly used to protect the parts prone to subsidence and collapse and the partial area where vehicles and pedestrians are walking, local collapse is prone to occur, and the local collapse causes the displacement of reinforcement piles and reinforcement rods, resulting in poor internal reinforcement effect of the roadbed.

[0006] In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows: A roadbed anti-settlement reinforcement device, comprising: The connecting pile foundation components, including piles, are set in the installation pit in the original roadbed; A reinforcement mesh assembly, including a reinforcement mesh, is placed in a reinforcement pit in a newly constructed roadbed; The connecting assembly includes a connecting rod, which horizontally penetrates the soil between the installation pit and the reinforcement pit, and the two ends of the connecting rod are respectively connected to the pile column and the reinforcement net to transfer the vertical force of the reinforcement net to the pile column.

[0007] In particular, the reinforcement net is arranged in multiple layers up and down; a plurality of positioning holes are vertically opened on the side wall of the installation pit away from the reinforcement pit; the number of positioning holes is the same as the number of layers of the reinforcement net; the pile is provided with installation through holes in the same direction as the positioning holes, and the installation through holes correspond to the positioning holes one by one; a vertical mounting plate is provided in the middle of the installation through hole, and a transverse through groove is provided in the middle of the mounting plate; it also includes a positioning rod placed in each installation through hole; the length of the positioning rod is less than the width of the pile, and it passes horizontally through the transverse through groove, and a limiting plate with a size larger than the transverse through groove is provided at one end away from the positioning hole, and the other end is inserted into the positioning hole when the limiting plate and the mounting plate are pressed tightly; after one end of the connecting rod is inserted into the installation through hole on the pile, the limiting plate and the mounting plate are pressed tightly, and the other end passes through the soil between the mounting hole and the reinforcement pit and is connected to the reinforcement net.

[0008] Furthermore, the reinforcement net includes a horizontally arranged outer frame, a mesh plate is arranged inside the outer frame, and a reinforcing plate is arranged on the upper surface of the mesh plate; a connecting piece is also arranged at the end of the mesh plate near the pile column, and the connecting rod is detachably connected to the mesh plate through the connecting piece.

[0009] Furthermore, the connecting member includes an installation groove opened at the end of the mesh plate near the pile, a horizontal connecting rod facing the pile is provided in the installation groove, a horizontal hollow sleeve is connected to the end of the horizontal connecting rod, and the hollow sleeve is sleeved on the outside of the end of the connecting rod; a fastening through hole is also opened in the circumference of the hollow sleeve, and a fastening bolt that presses against the outer wall of the connecting rod is screwed into the fastening through hole.

[0010] Furthermore, the connecting member includes an installation groove opened at the end of the mesh plate near the pile, and a horizontal connecting rod facing the pile is provided in the installation groove. The end of the horizontal connecting rod is rotatably connected to a horizontal hollow sleeve through a bearing. The hollow sleeve has an internal thread and cooperates with the connecting rod thread.

[0011] Furthermore, the reinforcing plate is also provided with a first reinforcement hole overlapping with the mesh position of the mesh plate; a first reinforcement rod is inserted into the first reinforcement hole, penetrating downward through the mesh plate and inserted into the soil below the mesh plate, and the length of the first reinforcement rod is less than the spacing between adjacent reinforcement meshes.

[0012] Furthermore, the four corners of the pile column are provided with second reinforcement holes, the second reinforcement holes vertically penetrate the pile column, and the second reinforcement rod vertically penetrates the second reinforcement holes and is inserted into the soil below the pile column.

[0013] In particular, a landfill pit is excavated on the top of the installation pit, and the size of the landfill pit is larger than the size of the installation pit; a downwardly recessed positioning groove is also opened on the top of the pile column; and it also includes a leveling plate laid in the landfill pit, and a positioning block is provided on the lower surface of the leveling plate, which is embedded in the positioning groove and cooperates with the positioning groove.

[0014] Furthermore, it also includes a third reinforcement rod vertically penetrating the leveling plate and the positioning block, and the bottom of the third reinforcement rod is inserted into the third reinforcement hole at the top of the pile column.

[0015] Compared with the prior art, the present invention has the following advantages and beneficial effects: 1. The present invention changes the individual reinforcement piles into a connecting pile assembly arranged in the installation pit of the original roadbed, and a reinforcement net assembly arranged in the reinforcement pit of the newly built roadbed, and connects the two into a whole by using the connecting assembly. The vertical bearing force received by the reinforcement net assembly can be effectively transmitted to the pile column. Since the entire device is located inside the original roadbed with high strength and high compaction degree, it can play a good role in auxiliary bearing, prevent collapse or settlement caused by upper pressure or the roadbed's own gravity, and effectively avoid faults between the original roadbed and the newly built roadbed.

[0016] 2. Compared with the prior art method of using reinforcement piles and reinforcement rods to reinforce the soil layer above the newly built roadbed, the present invention adopts a reinforcement mesh structure instead of reinforcement piles and reinforcement rods, which can increase the area of ​​the reinforcement mesh without considering its overall height and size, thereby increasing the reinforcement area, effectively avoiding or mitigating local settlement and collapse, and achieving the purpose of improving the strength of the soil of the newly built roadbed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.

[0019] Figure 3 This is a schematic diagram of the structure of the installation pit and reinforcement pit from a bird's-eye view.

[0020] Figure 4 This is a schematic diagram of the installation pit and positioning hole structure.

[0021] Figure 5 Schematic diagram of the reinforcement mesh component structure.

[0022] Figure 6 Schematic diagram of the connection relationship between piles and connecting components.

[0023] Figure 7 for Figure 6 Enlarged structural diagram at A in the middle.

[0024] Figure 8 Schematic diagram of the position relationship among piles, connecting rods and positioning rods.

[0025] Fig. 9 Schematic diagram of the structure looking up to find the flat plate and positioning block.

[0026] The meanings of the symbols in the figure are: Pile column—1; mounting through hole—101; mounting plate—102; transverse through slot—103; positioning rod—104; limiting plate—105; second reinforcement hole—106; second reinforcement rod—107; positioning slot—108; third reinforcement hole—109; Reinforcement net 2; outer frame 201; mesh plate 202; reinforcement plate 203; mounting groove 204; first reinforcement hole 205; first reinforcement rod 206; Connecting rod—3; Transverse connecting rod—301; Hollow sleeve—302; Fastening through hole—303; Fastening bolt—304; Original roadbed - 4; installation pit - 401; positioning hole - 402; landfill pit - 403; leveling plate - 404; positioning block - 405; third reinforcement rod - 406; New roadbed-5; reinforced pit-501. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention, so as to have a further understanding of the concept of the present invention, the technical problems solved, the technical features constituting the technical scheme and the technical effects brought about.

[0028] like Figure 1 to Figure 4 As shown, a roadbed anti-settlement reinforcement device comprises: The connecting pile foundation assembly, including the pile column 1, is arranged in the installation pit 401 in the original roadbed 4; The reinforcement net assembly, including the reinforcement net 2, is arranged in the reinforcement pit 501 in the newly built roadbed 5; The connection assembly includes a connection rod 3 , which horizontally penetrates the soil between the installation pit 401 and the reinforcement pit 501 , and has two ends respectively connected to the pile 1 and the reinforcement net 2 to transfer the vertical force of the reinforcement net 2 to the pile 1 .

[0029] In the present invention, the connection pile foundation assembly is used as the fixed foundation of the overall structure and is arranged in the installation pit 401 on the top of the existing roadbed 4. Since the existing roadbed 4 has been used for a long time, its own settlement and soil density have reached a relatively stable state, so it can provide sufficiently stable support for the connection pile foundation assembly. Under the action of the connection assembly, the reinforcement net assembly 2 and the connection pile foundation assembly are stably connected as a whole, so that the reinforcement net 2 can reinforce the newly built roadbed 5, thereby improving the overall reinforcement effect. In addition, since the reinforcement net 2 is a horizontally arranged mesh plate, its area can effectively increase the contact area between the reinforcement device and the soil compared to the existing cubic reinforcement piles, thereby effectively expanding the coverage of the reinforcement effect, avoiding the occurrence of local collapse, and can also effectively avoid the displacement of the reinforcement device caused by local collapse.

[0030] As a preferred embodiment, the reinforcement net 2 is arranged in multiple layers up and down, and a plurality of positioning holes 402 are vertically opened on the side wall of the installation pit 401 away from the reinforcement pit 501; the number of positioning holes 402 is the same as the number of layers of the reinforcement net 2; the pile column 1 is provided with an installation through hole 101 in the same direction as the positioning hole 402, and the installation through hole 101 corresponds to the positioning hole 402 one by one; a vertical installation plate 102 is provided in the middle of the installation through hole 101, and a horizontal through groove 103 is provided in the middle of the installation plate 102; and it also includes a hole placed on each installation A positioning rod 104 is installed in the through hole 101; the length of the positioning rod 104 is less than the width of the pile column 1, and it horizontally passes through the transverse through groove 103. A limiting plate 105 with a size larger than the transverse through groove 103 is provided at one end away from the positioning hole 402, and the other end is inserted into the positioning hole 402 when the limiting plate 105 and the mounting plate 102 are tightly pressed; one end of the connecting rod 3 is inserted into the mounting through hole 101 on the pile column 1, and the limiting plate 105 and the mounting plate 102 are pressed tightly, and the other end passes through the soil between the mounting hole and the reinforcement pit 501 and is connected to the reinforcement net 2.

[0031] In this embodiment, a structure for fixing a pile column 1 of a pile foundation assembly is provided. Specifically, Figure 4 As shown, a plurality of positioning holes 402 are provided on the side wall of the installation pit 401 away from the reinforcement pit 501, so that the number of positioning holes 402 is the same as the number of the reinforcement net 2, so as to make subsequent connection. The pile 1 is provided with the same number of mounting through holes 101 as the positioning holes 204, for placing the positioning rods 104. The length of the positioning rods 104 is less than the width of the pile 1, so that the positioning rods 104 can be directly placed in the mounting through holes 101 when the pile 1 is lowered into the installation pit 401. After the pile column 1 is placed in the installation pit 401, the connecting rod 3 is passed through the soil between the installation pit 401 and the reinforcement pit 501 along the positioning hole 402 from one side of the reinforcement pit 501, and horizontally inserted into the installation through hole 101, and the connecting rod 3 is pressed against the limiting plate 105 of the positioning rod 104 placed in the installation through hole 101, so that the limiting plate 105 is pressed against the installation plate 102, so that the positioning rod 104 can horizontally pass through the transverse groove 103 on the installation plate 102 and then be inserted into the positioning hole 402, thereby fixing the pile column 1 in the installation pit 401, and achieving the effect of assisting the bottom of the installation pit 401 to bear the vertical pressure from one side of the reinforcement net 2. The reinforcement net assembly adopts a multi-layer reinforcement structure with multiple layers of reinforcement nets 2 arranged up and down, which can perform multi-level reinforcement on the soil of the newly built roadbed at different depths, thereby improving the overall reinforcement effect.

[0032] As a preferred embodiment, the reinforcement net 2 includes a horizontally arranged outer frame 201, a mesh plate 202 is provided inside the outer frame 201, and a reinforcing plate 203 is provided on the upper surface of the mesh plate 202; a connecting piece is also provided at the end of the mesh plate 202 close to the pile column 1, and the connecting rod 3 is detachably connected to the mesh plate 202 through the connecting piece.

[0033] This embodiment provides a structure of a reinforcement net 2 that can be implemented. Specifically, Figure 5 As shown, the reinforcement net 2 includes a horizontal outer frame 201, with the outer frame 201 as the skeleton, a mesh plate 202 is arranged inside the outer frame 201, and the strength of the outer frame 201 is strengthened by a reinforcing plate 203, so as to resist the pressure of the soil from all directions after the installation pit 401 is filled to avoid deformation of the reinforcement net, and also to strengthen the ability of the reinforcement net 2 to withstand the load of vehicles or pedestrians above. The mesh plate 202 is detachably connected to the connecting rod 3 through a connecting piece at one end close to the pile column 1, which can achieve the purpose of quickly installing the reinforcement net 2, thereby accelerating construction efficiency and shortening the construction period.

[0034] In addition, multiple layers of reinforcement mesh 2, positioning holes 402, and installation through holes 101 can be arranged alternately in the vertical direction, and each reinforcement mesh 2, positioning hole 402, and installation through hole 101 can be ensured to correspond one to one, so that the connection points of the reinforcement mesh 2 and the pile column 1 are not located on the same vertical line of the pile column 1, thereby effectively optimizing the lateral force condition of the pile column 1 and avoiding damage to the pile column 1 caused by excessive local force concentration on the pile column 1; such an arrangement can also make each reinforcement mesh 2 correspond to the soil at different positions above, thereby effectively sharing the settlement and load pressure of the upper soil, and further avoiding damage caused by excessive force on a single reinforcement mesh.

[0035] As a preferred embodiment, the connecting member includes a mounting groove 204 opened at one end of the mesh plate 202 close to the pile column 1, a transverse connecting rod 301 facing the pile column 1 is provided in the mounting groove 204, a horizontal hollow sleeve 302 is connected to the end of the transverse connecting rod 301, and the hollow sleeve 302 is sleeved on the outside of the end of the connecting rod 3; a fastening through hole 303 is also opened in the circumference of the hollow sleeve 302, and a fastening bolt 304 that presses against the outer wall of the connecting rod 3 is screwed into the fastening through hole 303.

[0036] This embodiment provides a structure of a connector that can be implemented. Specifically, Figure 2 and Figure 5As shown, the connecting member includes a mounting groove 204 and a horizontal connecting rod 301 disposed in the mounting groove 204 and facing the direction of the pile column 1. A hollow sleeve 302 for connection is disposed at the end of the horizontal connecting rod 301. After the connecting rod 3 is inserted into the hollow sleeve 302 at the end of the horizontal connecting rod 301, the fastening bolt 304 passes through the fastening through hole 303 and presses against the connecting rod 3, thereby achieving the purpose of connecting the connecting rod 3 and the hollow sleeve 302, realizing the fastening connection between the mesh plate 202 and the connecting rod 3, and facilitating the rapid connection between the connecting rod 3 and the mesh plate 202. It should be noted that in order to ensure normal connection, the length of the connecting rod 3 should be longer than the distance between the aforementioned mounting plate 102 and the mounting through hole 101 close to the reinforcement pit 501, so that when the connecting rod 3 presses the limit plate 105 against the mounting plate 102, its end portion can normally extend out of the mounting through hole 101 and insert into the hollow sleeve 302.

[0037] In addition, the installation groove 204 can be set at a position deviating from the midpoint of the mesh plate 202 so that the hollow sleeve 302 is eccentrically set, thereby making the connecting rod 3 also offset, which can also achieve the purpose of optimizing the side force condition of the pile column 1.

[0038] As a further embodiment, the connecting member includes a mounting groove 204 opened at one end of the mesh plate 202 close to the pile 1, and a horizontal connecting rod 301 facing the pile 1 is provided in the mounting groove 204. The end of the horizontal connecting rod 301 is rotatably connected to a horizontal hollow sleeve 302 through a bearing. The hollow sleeve 302 has an internal thread and cooperates with the thread of the connecting rod 3.

[0039] This embodiment provides another structure of a connector that can be implemented. Specifically, the connector in this embodiment also includes a mounting groove 204, a horizontal connecting rod 301 and a hollow sleeve 302. The hollow sleeve 302 is rotatably arranged at the end of the horizontal connecting rod 301 through a bearing, and its rotation axis is the axis of the horizontal connecting rod 301. In coordination with this, an external thread is arranged at the end of the connecting rod 3, and an internal thread is arranged inside the hollow sleeve 302. By rotating the hollow sleeve 302 and the horizontal connecting rod 301, the quick connection between the hollow sleeve 302 and the connecting rod 3 is realized, thereby realizing the quick connection between the connecting rod 3 and the mesh plate 202.

[0040] As a further embodiment, the reinforcing plate 203 is further provided with a first reinforcement hole 205 which overlaps with the mesh position of the mesh plate 202; a first reinforcement rod 206 is inserted into the first reinforcement hole 205, penetrating downward through the mesh plate 202 and inserted into the soil below the mesh plate 202; the length of the first reinforcement rod 206 is less than the spacing between adjacent reinforcement meshes 2.

[0041] This embodiment provides a structure for reinforcing the mesh plate 202. Specifically, Figure 5As shown, the reinforcing plate 203 is provided with a first reinforcement hole 205 overlapping with the mesh position of the mesh plate 202. For the bottom reinforcement mesh 2, the first reinforcement rod 206 is vertically passed through the first reinforcement hole 205 and the corresponding mesh hole on the mesh plate 202, and then vertically inserted into the soil below. After the mesh plate 202 is connected to the connecting rod 3 and the pile column 1 as a whole, the position of the mesh plate 202 is fixed, so as to achieve the purpose of preventing the mesh plate 202 from lateral deviation during actual use. Then, the upper layer of soil is backfilled and compacted until the soil is flush with the height of the upper layer of installation through holes 101, so as to connect the upper layer of mesh plate 202 with the upper layer of connecting rod 3, and then repeat the above process to achieve the overall fixation and anti-deviation of the upper layer of mesh plate 202.

[0042] As a further embodiment, the four corners of the pile column 1 are further provided with second reinforcement holes 106 , which vertically penetrate the pile column 1 , and the second reinforcement rods 107 vertically penetrate the second reinforcement holes 106 and are inserted into the soil below the pile column 1 .

[0043] In this embodiment, a structure is provided to further fix the position of the pile column 1. Specifically, Figure 6 and Figure 7 As shown, the second reinforcement holes 106 and the second reinforcement rods 107 opened at the four corners of the pile column 1 cooperate with each other to fix the pile column 1 in the installation pit 401 of the original roadbed 4 in the vertical direction, so as to further prevent the pile column 1 from lateral displacement in the installation pit 401.

[0044] As a further embodiment, a landfill pit 403 is excavated on the top of the installation pit 401, and the size of the landfill pit 403 is larger than that of the installation pit 401; a downwardly recessed positioning groove 108 is also opened on the top of the pile 1; and it also includes a leveling plate 404 laid in the landfill pit 403, and the lower surface of the leveling plate 404 is provided with a positioning block 405 embedded in the positioning groove 108 and cooperating with the positioning groove 108.

[0045] This embodiment provides a structure for ensuring the horizontality of the upper surface of the installation pit 401. Specifically, Figure 8 and Fig. 9As shown, the landfill pit 403 is located above the installation pit 401, and its size is larger than the size of the installation pit 401, so as to facilitate the installation of the leveling plate 404. At the same time, a positioning block 405 is provided on the lower surface of the leveling plate 404, and a positioning groove 108 is provided on the top of the pile 1 to cooperate with the positioning block 405. When the leveling plate 404 is embedded in the landfill pit 403, the positioning block 405 on the lower surface of the leveling plate 404 is just inserted into the positioning groove 108, so the position of the leveling plate 404 is fixed. From another perspective, the size of the landfill pit 403 where the leveling plate 404 is located should be slightly larger than the size of the leveling plate 404, so as to ensure that the leveling plate 404 is laterally limited by the pit wall of the landfill pit 403 when embedded in the landfill pit 403, and can also play a limiting role. Then, the landfill pit 403 is leveled, backfilled, and subsequently compacted to ensure that the road surface above the leveling plate 404 is flush with the upper surface of the original roadbed 4. After the leveling plate 404 is installed on the pile 1 together with the positioning block 405, the level of the leveling plate 404 can be measured by an external device such as a level ruler, thereby realizing the leveling function. In this process, the level of the leveling plate 404 can be further adjusted by tapping and tamping the corresponding corners of the pile 1, so that the backfill road surface above the leveling plate 404 does not need additional leveling when being compacted.

[0046] As a further embodiment, it further comprises a third reinforcement rod 406 vertically penetrating the leveling plate 404 and the positioning block 405 , and the bottom of the third reinforcement rod 406 is inserted into the third reinforcement hole 109 at the top of the pile column 1 .

[0047] In this embodiment, if Figure 8 and Fig. 9 As shown, the leveling plate 404 and the positioning block 405 are connected as a whole via a third reinforcing rod 406, and a third reinforcing hole 109 is provided on the top of the pile column 1 for the third reinforcing rod 406 to be inserted, so that the leveling plate 404 and the positioning block 405 are limited by the third reinforcing rod 406 after installation, thereby further preventing the leveling plate 404 from slipping and deflecting.

[0048] The terms “connection” and “fixation” mentioned in the description of the present invention may refer to fixed connection, processing and forming, welding or mechanical connection. The specific meanings of the above terms in the present invention shall be understood according to the specific circumstances.

[0049] In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inside", "outside", etc., which indicate the orientation or position relationship, are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying a specific orientation that the device or element referred to must have, and therefore cannot be understood as a limitation on the present invention.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A roadbed anti-settlement reinforcement device, characterized in that: include: A connecting pile foundation assembly, including a pile column (1), is arranged in an installation pit (401) in an existing roadbed (4); A reinforcement net assembly, comprising a reinforcement net (2), arranged in a reinforcement pit (501) in a newly constructed roadbed (5); The connection assembly comprises a connection rod (3), wherein the connection rod (3) horizontally penetrates the soil between the installation pit (401) and the reinforcement pit (501), and the two ends of the connection rod (3) are respectively connected to the pile column (1) and the reinforcement net (2) to transmit the vertical force of the reinforcement net (2) to the pile column (1).

2. A roadbed anti-settlement reinforcement device as claimed in claim 1, characterized in that: The reinforcement net (2) is arranged in multiple layers up and down, and a plurality of positioning holes (402) are vertically opened on the side wall of the installation pit (401) away from the reinforcement pit (501); the number of the positioning holes (402) is the same as the number of layers of the reinforcement net (2); the pile column (1) is provided with a mounting through hole (101) in the same direction as the positioning hole (402), and the mounting through hole (101) corresponds to the positioning hole (402) one by one; a vertical mounting plate (102) is provided in the middle of the mounting through hole (101), and a horizontal through groove (103) is provided in the middle of the mounting plate (102); and further comprises a mounting plate (103) placed in each mounting through hole (101). The length of the positioning rod (104) is less than the width of the pile (1), the positioning rod (104) horizontally passes through the transverse through slot (103), one end of the positioning rod (104) away from the positioning hole (402) is provided with a limit plate (105) having a size larger than the transverse through slot (103), and the other end is inserted into the positioning hole (402) when the limit plate (105) and the mounting plate (102) are tightly pressed against each other; one end of the connecting rod (3) is inserted into the mounting through hole (101) on the pile (1), and the limit plate (105) and the mounting plate (102) are pressed against each other, and the other end passes through the soil between the mounting hole and the reinforcement pit (501), and is connected to the reinforcement net (2).

3. A roadbed anti-settlement reinforcement device as claimed in claim 2, characterized in that: The reinforcing net (2) comprises a horizontally arranged outer frame (201), a net plate (202) is provided inside the outer frame (201), and a reinforcing plate (203) is provided on the upper surface of the net plate (202); a connecting piece is also provided at an end of the net plate (202) close to the pile column (1), and the connecting rod (3) is detachably connected to the net plate (202) via the connecting piece.

4. A roadbed anti-settlement reinforcement device as claimed in claim 3, characterized in that: The connecting member comprises a mounting groove (204) formed at an end of the mesh plate (202) close to the pile column (1); a transverse connecting rod (301) facing the pile column (1) is provided in the mounting groove (204); a horizontal hollow sleeve (302) is connected to the end of the transverse connecting rod (301); the hollow sleeve (302) is sleeved on the outside of the end of the connecting rod (3); a fastening through hole (303) is also formed in the circumference of the hollow sleeve (302); a fastening bolt (304) is screwed into the fastening through hole (303) and is pressed against the outer wall of the connecting rod (3).

5. The roadbed anti-settlement reinforcement device according to claim 3, characterized in that: The connecting piece comprises a mounting groove (204) formed at an end of the mesh plate (202) close to the pile (1), a horizontal connecting rod (301) facing the pile (1) is arranged in the mounting groove (204), and a horizontal hollow sleeve (302) is rotatably connected to the end of the horizontal connecting rod (301) via a bearing, and the hollow sleeve (302) has an internal thread and is threadably matched with the connecting rod (3).

6. A roadbed anti-settlement reinforcement device as claimed in claim 3, characterized in that: The reinforcing plate (203) is also provided with a first reinforcement hole (205) which overlaps with the mesh position of the mesh plate (202); a first reinforcement rod (206) which passes through the mesh plate (202) downwards and is inserted into the soil below the mesh plate (202) is inserted into the first reinforcement hole (205); the length of the first reinforcement rod (206) is less than the spacing between adjacent reinforcement meshes (2).

7. A roadbed anti-settlement reinforcement device as claimed in claim 2, characterized in that: The pile column (1) is also provided with second reinforcement holes (106) at four corners. The second reinforcement holes (106) vertically penetrate the pile column (1). The second reinforcement rods (107) vertically penetrate the second reinforcement holes (106) and are then inserted into the soil below the pile column (1).

8. The roadbed anti-settlement reinforcement device according to claim 1, characterized in that: A landfill pit (403) is excavated on the top of the installation pit (401), and the size of the landfill pit (403) is larger than that of the installation pit (401); a downwardly recessed positioning groove (108) is also opened on the top of the pile column (1); and a leveling plate (404) is also included which is laid in the landfill pit (403), and a positioning block (405) is provided on the lower surface of the leveling plate (404) which is embedded in the positioning groove (108) and cooperates with the positioning groove (108).

9. A roadbed anti-settlement reinforcement device as claimed in claim 8, characterized in that: It also includes a third reinforcement rod (406) vertically penetrating the leveling plate (404) and the positioning block (405), and the bottom of the third reinforcement rod (406) is inserted into the third reinforcement hole (109) at the top of the pile column (1).

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