Underground hardened pavement filling structure

Abstract

According to the underground hardened pavement filling structure, filling blocks are arranged in a filling area 12, the filling blocks comprise unit filling blocks 20, side filling blocks 30 and corner filling blocks 40, unit block stepped grooves 21 are formed in the edges of the unit filling blocks 20, side block stepped grooves 31 are formed in the edges of the side filling blocks 30, corner block stepped grooves 41 are formed in the edges of the corner filling blocks 40, and the unit block stepped grooves 21 and the side block stepped grooves 31 are formed in the edges of the corner filling blocks 40. The connecting edges of the unit filling blocks and the edge filling blocks are spliced through unit block stepped grooves 21 and edge block stepped grooves 31, and the connecting edges of the edge filling blocks and the corner filling blocks are spliced through the edge block stepped grooves 31 and corner block stepped grooves 41. The beneficial effects of the utility model are that the plurality of filling blocks and the roadbed form a firm and stable whole body, the bearing capacity is good, the maintenance construction efficiency is high, and the cost is low. The filling blocks are the combination of the unit filling blocks, the side filling blocks and the corner filling blocks, and can be flexibly combined to adapt to different filling areas.

Description

Technical Field

[0001] The utility model relates to an underground road surface maintenance project, in particular to an underground hardened road surface filling structure. Background Art

[0002] A large number of vehicles pass through the auxiliary transportation tunnels in mines every day, and the tunnel pavement needs to bear heavy loads. Over time, the tunnel pavement will be overwhelmed and damaged, and needs to be repaired in time. The usual pavement repair method is to divide the damaged pavement into three parts parallel to the tunnel, repair the two sides first, and then repair the middle part to repair the entire section of the pavement. However, the defects of this pavement repair method are: low pavement repair efficiency, long repair construction time, affecting the passage of vehicles in the tunnel, and high pavement repair costs. Since the damage to the tunnel pavement is usually local damage, if the damaged local pavement can be repaired in time, the impact on the passage of the tunnel can be avoided or reduced, and the expansion of the pavement damage can be prevented in time, thereby increasing the service life of the pavement. The pavement filling method is a common method for repairing locally damaged pavements, and pavement bricks are usually used to fill the damaged areas of the pavement. A Chinese utility model patent (application number 2017103050913) discloses a rapid construction method for brick pavement structures. This method employs support rods, precast bricks placed on the rods, and cement mortar injected into grouting holes in the precast bricks. However, this method is still relatively complex, requiring long maintenance times and high construction costs, making it unsuitable for rapid repairs of underground roads. Utility Model Content

[0003] The purpose of the utility model is to provide an underground hardened road surface filling structure to achieve rapid repair of local damage to the underground road surface.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is: an underground hardened pavement filling structure, comprising a roadbed 10 and a pavement 11, the pavement comprising a filling area 12, the filling area 12 being provided with filling blocks, the filling blocks comprising unit filling blocks 20, edge filling blocks 30 and corner filling blocks 40, the edge of the unit filling block 20 being provided with a unit block step groove 21, the edge of the edge filling block 30 being provided with an edge block step groove 31, the edge of the corner filling block 40 being provided with a corner block step groove 41, the connecting edge of the unit filling block and the edge filling block being spliced through the unit block step groove 21 and the edge block step groove 31, the connecting edge of the edge filling block and the corner filling block being spliced through the edge block step groove 31 and the corner block step groove 41.

[0005] Furthermore, in order to facilitate modular combination, the unit filling block 20 is provided with a unit upper plate 24 and a unit lower plate 25, both of which are square plates. The unit upper plate and the unit lower plate are staggered along the diagonal, and the staggered edges of the unit upper plate and the unit lower plate constitute the unit block step groove 21; the edge filling block 30 is provided with an edge upper plate 35 and an edge lower plate 36, the edge upper plate 35 is a square plate, the edge lower plate 36 protrudes from the edge upper plate on three sides and retracts into the edge upper plate on one side, and the corresponding sides of the edge upper plate and the edge lower plate constitute the edge block step groove 31; the corner filling block 40 is provided with an upper corner plate 42 and a lower corner plate 43, both of which are square plates, the lower corner plate protrudes from the upper corner plate on four sides, and the four sides of the upper corner plate and the lower corner plate constitute the corner block step groove 41.

[0006] Furthermore, in order to facilitate splicing, the thickness t of the unit upper plate 24, the unit lower plate 25, the edge upper plate 35, the edge lower plate 36, the corner upper plate 43 and the corner lower plate 44 are the same, and the width k of the unit block step groove, the edge block step groove and the corner block step groove are the same.

[0007] Furthermore, in order to make multiple filling blocks form a solid whole, the unit filling block 20 is provided with a unit block splicing hole 22 at the unit block step groove, and the unit splicing hole is perpendicular to the plate surface of the unit filling block; the edge filling block 30 is provided with an edge block splicing hole 32 at the edge block step groove, and the edge block splicing hole is perpendicular to the plate surface of the edge filling block; the corner filling block 40 is provided with a corner block splicing hole 42 at the corner block step groove, and the corner block splicing hole is perpendicular to the plate surface of the corner filling block; after the unit block step groove and the edge block step groove are spliced, the unit block splicing hole 22 corresponds to the edge block splicing hole 32, and after the edge block step groove and the corner block step groove are spliced, the edge block splicing hole 32 corresponds to the corner block splicing hole 42.

[0008] Furthermore, grouting rods 50 are provided in the unit block splicing holes, the edge block splicing holes and the corner block splicing holes, and the grouting rods extend into the roadbed 10 .

[0009] Furthermore, as a preferred grouting material, the grouting rod 50 is a fast-hardening cement grouting rod or a polymer material grouting rod.

[0010] Furthermore, in order to make the filling block and the roadbed form a stable whole, a grouting edge 60 is provided between the filling block and the edge of the filling area.

[0011] Furthermore, the grouting edge 60 is a rapid-hardening cement grouting edge or a polymer material grouting edge.

[0012] Furthermore, in order to make the road surface smooth, the filling blocks are flush with the road surface.

[0013] The beneficial effects of this utility model are as follows: filler blocks are used to fill damaged areas of the road surface. The filler blocks are interlocked using stepped grooves, and grouting rods are used to connect and secure multiple filler blocks to each other and stably connect to the roadbed. In addition, the grouting edges of the filler blocks make the multiple filler blocks and the roadbed form a solid and stable whole, which can have good load-bearing capacity, high maintenance and construction efficiency, and low cost. The filler blocks are a combination of unit filler blocks, edge filler blocks, and corner filler blocks, which can be flexibly combined to adapt to different filling areas.

[0014] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a partial structural sectional view of the utility model;

[0017] Figure 3 This is a diagram of the combined structure of the filling blocks of the utility model, which includes a unit filling block, two edge filling blocks and a corner filling block;

[0018] Figure 4 This is an exploded view of the filling block structure of the utility model;

[0019] Figure 5 yes Figure 4 The A-direction view is a structural exploded view observed from the bottom;

[0020] Figure 6 It is a structural diagram of the filling area of the utility model;

[0021] Figure 7 It is a structural diagram of the filling block of the utility model in the filling area, and a schematic diagram of drilling the grouting hole;

[0022] Figure 8 It is a schematic diagram of grouting of the utility model;

[0023] Figure 9 This is a diagram of the combined structure of the filling blocks of the utility model, including four unit filling blocks, four edge filling blocks and one corner filling block;

[0024] Figure 10 yes Figure 9 Exploded view of the structure;

[0025] Figure 11 This is a diagram of the combined structure of the filling blocks of the utility model, which includes two unit filling blocks, three edge filling blocks and one corner filling block;

[0026] Figure 12 yes Figure 10Exploded view of the structure. DETAILED DESCRIPTION

[0027] Example 1:

[0028] like Figures 1 to 8 , an underground hardened pavement filling structure, including a roadbed 10 and a pavement 11.

[0029] When the road surface 11 of the underground tunnel is partially damaged, it needs to be repaired. During the repair process, a filling area 12 needs to be cut out to remove the damaged road surface.

[0030] In this embodiment, filling blocks are used to repair the road surface, and the filling blocks are embedded in the filling area 12. This embodiment uses three types of filling blocks: unit filling blocks 20, edge filling blocks 30, and corner filling blocks 40.

[0031] The unit filler block 20 comprises an upper unit plate 24 and a lower unit plate 25. The upper and lower unit plates are square plates of the same side length and have the same thickness t. The upper and lower unit plates 24, 25 are staggered along the diagonal lines, forming four unit block stepped grooves 21 at their intersecting edges. Two of the stepped grooves 21 extend from the lower unit plate 25 to the upper unit plate 24, while the other two extend from the upper unit plate 24 to the lower unit plate 25. In practice, the upper unit plate 24 and the lower unit plate 25 are symmetrical structures. Flipping the unit filler block still maintains the same structure on both sides. The side in contact with the roadbed is generally referred to as the lower unit plate 25, and the side facing the road surface is referred to as the upper unit plate 24. Unit block splicing holes 22 are provided at the unit block stepped grooves 21. These through holes are perpendicular to the unit filler block's plate surface. In this embodiment, a unit block splicing hole 22 is provided in the middle of each unit block stepped groove 21 .

[0032] The edge filler block 30 comprises an upper edge plate 35 and a lower edge plate 36. The thickness t of the upper and lower edge plates 35 and 36 is the same, and also the same as the thickness of the upper and lower unit plates 24 and 25. The upper edge plate 35 is a square plate, with the same dimensions as the upper unit plate 24 (and also the same dimensions as the lower unit plate 25). The lower edge plate 36 is a rectangular plate, projecting from the upper edge plate 35 on three sides and retracting into the upper edge plate 35 on one side. Four edge block stepped grooves 31 are formed on the corresponding sides of the upper and lower edge plates. Edge block splicing holes 32 are provided in the edge block stepped grooves 31. The edge block splicing holes 32 are through-holes and perpendicular to the edge filler block surface. In this embodiment, a edge block splicing hole 32 is provided in the center of each edge block stepped groove 31.

[0033] The corner filler block 40 comprises an upper corner plate 42 and a lower corner plate 43. The thickness t of the upper and lower corner plates 42 and 43 is the same, as that of the upper and lower unit plates 24 and 25. Both the upper and lower corner plates 42 and 43 are square plates. The upper corner plate 42 has the same dimensions as the upper unit plate 24 (and also the lower unit plate 25), while the lower corner plate 43 is larger than the upper corner plate 42. The lower corner plate protrudes from the upper corner plate on all four sides, forming four corner block stepped grooves 41 on the four sides of the upper and lower corner plates. Corner block splicing holes 42 are provided in the corner block stepped grooves 41, perpendicular to the plate surface of the corner filler block. In this embodiment, a side block splicing hole 42 is located in the center of each corner block stepped groove 41.

[0034] This embodiment uses one unit filler block 20, two edge fillers 30 and one corner filler block 40. Figure 3 As shown, the connecting edge 23 of the unit filler block 20 and the edge filler block 30 is spliced through the unit block stepped groove 21 and the edge block stepped groove 31, and the connecting edge 34 of the edge filler block 30 and the corner filler block 40 is spliced through the edge block stepped groove 31 and the corner block stepped groove 41. After the unit block stepped groove and the edge block stepped groove are spliced together, the unit block splicing hole 22 corresponds to the edge block splicing hole 32 (forming a through hole), and after the edge block stepped groove and the corner block stepped groove are spliced together, the edge block splicing hole 32 corresponds to the corner block splicing hole 42 (forming a through hole).

[0035] The thickness t of the unit upper plate 24, the unit lower plate 25, the edge upper plate 35, the edge lower plate 36, the corner upper plate 43 and the corner lower plate 44 are the same, and the width k of the unit block step groove, the edge block step groove and the corner block step groove are also the same. After the unit filling block, the edge filling block and the corner filling block are spliced together, a square integral filling block with stepped edges on all four sides is formed, and its upper plate surface and lower plate surface are flush. Four splicing holes are provided corresponding to the four connecting edges (23, 34) (two are formed by the unit block splicing hole 22 and the edge block splicing hole 32, and two are formed by the edge block splicing hole 32 and the corner block splicing hole 42), and a circle of peripheral holes are provided on the four stepped edges (formed by the unit block splicing hole 22, the edge block splicing hole 32 and the corner block splicing hole 42 respectively), as shown in FIG. Figure 3 shown.

[0036] The unit filler blocks 20, edge filler blocks 30, and corner filler blocks 40 can be precast concrete blocks. During road repair, the size of the damaged road surface is first measured, marked with a square grid, and the road surface repair area is determined. A filling area 12 is then cut out of the road surface according to the repair area. The damaged road surface is then removed, exposing the roadbed 10. The roadbed is then leveled and compacted to ensure that the depth of the filling area corresponds to the thickness of the filler blocks (2 tonnes in this embodiment). Figure 6As shown, the filling area 12 is cut according to the size of the overall filling block, allowing the overall filling block to fit into the filling area and avoiding excessive gaps around the edges. The unit filling blocks 20, edge filling blocks 30, and corner filling blocks 40 are then assembled within the filling area to form an overall filling block. The top surface of the overall filling block is flush with the road surface, and a circular groove 13 is formed between the four stepped edges and the edge of the filling area.

[0037] Afterwards, if Figure 7 As shown, a drilling machine is used to drill holes at the joint holes and peripheral holes, forming grouting holes 14 in the roadbed 10 corresponding to the joint holes and peripheral holes. Grouting is performed through the joint holes and peripheral holes. The grouting material can be fast-hardening cement or a polymer material (such as Marisan). The joint holes and peripheral holes are filled to the brim, forming grouting rods 50 that connect the unit filling blocks 20, the edge filling blocks 30, the corner filling blocks 40, and the roadbed 10. The grouting process can be performed using a pneumatic grouting machine without pressure. The grouting liquid can also seep between the filling blocks (unit filling blocks 20, edge filling blocks 30, and corner filling blocks 40) and the roadbed, filling the gaps between the integral filling blocks and the roadbed. The grouting rods 50 ensure a stable and secure connection between the unit filling blocks and the edge filling blocks, and between the edge filling blocks and the corner filling blocks. The grouting rods 50 also ensure a stable and secure connection between the integral filling blocks and the roadbed.

[0038] Finally, grouting is performed in the annular groove 13 to form a grouting edge 60 between the integral filling block and the edge of the filling area. The grouting edge 60 can also be made of fast-hardening cement or Marisan. The grouting edge 60 can ensure a stable and seamless connection between the integral filling block and the original road surface.

[0039] This embodiment uses filling blocks to fill damaged areas of the road surface. The filling blocks are interlocked with each other using stepped grooves, and multiple filling blocks are connected and fixed to each other through grouting rods. They are stably connected to the roadbed, have good bearing capacity, and have high maintenance and construction efficiency and low cost.

[0040] Example 2:

[0041] like Figures 9 and 10 , a structure for filling underground hardened road surface. This embodiment is a structural supplement to the first embodiment.

[0042] By using the three filling blocks described in the first embodiment: the unit filling block 20 , the edge filling block 30 and the corner filling block 40 , a variety of overall filling block structures can be combined to suit filling areas 12 of different sizes.

[0043] In this embodiment, four unit filler blocks 20, four edge filler blocks 30, and one corner filler block 40 are assembled to form a larger square filler block. The assembled structure is such that the four unit filler blocks 20 form a square. Two edge filler blocks 30 are attached to each of two adjacent sides of the unit filler blocks. Finally, one corner filler block 40 is joined with the two edge filler blocks 30 to form a square filler block.

[0044] Example 3:

[0045] like Figure 11 、 Figure 12 , a structure for filling underground hardened road surface. This embodiment is a structural supplement to the first embodiment.

[0046] By using the three filling blocks described in the first embodiment: the unit filling block 20 , the edge filling block 30 and the corner filling block 40 , a variety of overall filling block structures can be combined to suit filling areas 12 of different sizes.

[0047] In this embodiment, two unit filler blocks 20, three edge filler blocks 30, and one corner filler block 40 are spliced together to form a rectangular overall filler block. The combined structure is such that two unit filler blocks 20 form a rectangular block. Two edge filler blocks 30 are spliced to form the long sides of the two unit filler blocks, and one edge filler block 30 is spliced to form the short sides of the two unit filler blocks. Finally, a corner filler block 40 is spliced with the two edge filler blocks 30 to form a rectangular overall filler block.

Claims

1. An underground hardened road surface filling structure, comprising a roadbed (10) and a road surface (11), wherein the road surface comprises a filling area (12), wherein a filling block is provided in the filling area (12), and wherein: The filling blocks include unit filling blocks (20), edge filling blocks (30) and corner filling blocks (40); the edge of the unit filling block (20) is provided with a unit block stepped groove (21); the edge of the edge filling block (30) is provided with an edge block stepped groove (31); the edge of the corner filling block (40) is provided with a corner block stepped groove (41); the connecting edges of the unit filling block and the edge filling block are spliced through the unit block stepped groove (21) and the edge block stepped groove (31); and the connecting edges of the edge filling block and the corner filling block are spliced through the edge block stepped groove (31) and the corner block stepped groove (41).

2. The underground hardened road surface filling structure according to claim 1, characterized in that: The unit filling block (20) is provided with a unit upper plate (24) and a unit lower plate (25), both of which are square plates. The unit upper plate and the unit lower plate are staggered along the diagonal line, and the staggered edges of the unit upper plate and the unit lower plate form the unit block step groove (21); the edge filling block (30) is provided with an edge upper plate (35) and an edge lower plate (36), the edge upper plate (35) is a square plate, the edge lower plate (36) protrudes from the edge upper plate on three sides and retracts into the edge upper plate on one side, and the corresponding sides of the edge upper plate and the edge lower plate form the edge block step groove (31); the corner filling block (40) is provided with an upper corner plate (42) and a lower corner plate (43), both of which are square plates, the lower corner plate protrudes from the upper corner plate on four sides, and the four sides of the upper corner plate and the lower corner plate form the corner block step groove (41).

3. The underground hardened road surface filling structure according to claim 2, characterized in that: The thickness (t) of the unit upper plate (24), the unit lower plate (25), the edge upper plate (35), the edge lower plate (36), the corner upper plate (43) and the corner lower plate (44) are the same, and the width (k) of the unit block step groove, the edge block step groove and the corner block step groove are the same.

4. The underground hardened road surface filling structure according to claim 1, characterized in that: The unit filling block (20) is provided with a unit block splicing hole (22) at the unit block step groove, and the unit splicing hole is perpendicular to the plate surface of the unit filling block; the edge filling block (30) is provided with an edge block splicing hole (32) at the edge block step groove, and the edge block splicing hole is perpendicular to the plate surface of the edge filling block; the corner filling block (40) is provided with a corner block splicing hole (42) at the corner block step groove, and the corner block splicing hole is perpendicular to the plate surface of the corner filling block; after the unit block step groove and the edge block step groove are spliced together, the unit block splicing hole (22) corresponds to the edge block splicing hole (32), and after the edge block step groove and the corner block step groove are spliced together, the edge block splicing hole (32) corresponds to the corner block splicing hole (42).

5. The underground hardened road surface filling structure according to claim 1, characterized in that: Grouting rods (50) are provided in the unit block splicing holes, the edge block splicing holes, and the corner block splicing holes, and the grouting rods extend into the roadbed (10).

6. The underground hardened road surface filling structure according to claim 5, characterized in that: The grouting rod (50) is a fast-hardening cement grouting rod or a polymer material grouting rod.

7. The underground hardened road surface filling structure according to claim 1, characterized in that: A grouting edge (60) is provided between the filling block and the edge of the filling area.

8. The underground hardened road surface filling structure according to claim 7, characterized in that: The grouting edge (60) is a fast-hardening cement grouting edge or a polymer material grouting edge.

9. The underground hardened road surface filling structure according to claim 1, characterized in that: The filling block is flush with the road surface.

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