Slope gully restoration structure

Abstract

The utility model discloses a kind of side slope gully recovery structure, first filling body is equipped in the bottom of slope gully, and built-in anchoring rib is evenly spaced along the longitudinal direction of slope gully;First reinforcing mesh and arch strut are laid from bottom to top on the upper surface of first filling body, and are connected with the upper end of built-in anchoring rib by fixed bolt;Arch strut is arched upwards, and its two ends are connected with the inner side of support and press side plate oppositely laid in the sidewall of slope gully, second filling body is laid on the upper surface of arch strut, and second reinforcing mesh is laid horizontally in second filling body. The integrity and stability of first filling body and second filling body are improved, the bottom end of support and press side plate is quickly fixed, the stability and integrity of slope gully are improved, and the difficulty of gully backfill recovery is reduced.

Description

Technical Field

[0001] This utility model relates to gully structures on embankment or cutting slopes, and particularly to a gully restoration structure for slopes. Background Technology

[0002] Cut slopes or embankment slopes are prone to developing trapezoidal or triangular gullies under the influence of external factors such as rainfall. The appearance of gullies not only adversely affects the stability of the slope but also seriously impacts its aesthetic appeal.

[0003] Currently, the restoration of slope gullies usually involves directly backfilling with the original slope soil or using soil bags for backfilling. There is a technology that allows the installation of geogrids within the backfill soil, but the existing geogrid laying technology usually adopts an upward wrapping method. Although this can meet the purpose of slope gully restoration to a certain extent, it is difficult to simultaneously achieve the goals of gully reinforcement and rapid compaction of the gully soil. Summary of the Invention

[0004] In view of this, in order to improve the effect of slope gully restoration structure and enrich gully restoration technology, this utility model provides a slope gully restoration structure that can improve the stability and integrity of slope structure, and is suitable for the repair of gullies on embankment slopes or cut slopes with a depth of 0.5~0.8m and a width of no more than 1m, thereby improving the stability of slope gullies.

[0005] To achieve the above objectives, the present invention adopts the following technical solution. A slope gully restoration structure includes a first filling body at the bottom of the slope gully, with internal anchoring bars evenly spaced along the longitudinal direction of the slope gully; a first reinforcing mesh and arched bracing bars are laid from bottom to top on the upper surface of the first filling body, and are connected to the upper end of the internal anchoring bars by fixing bolts; the arched bracing bars arch upwards, and their two ends are connected to the inner side of the support plates laid opposite to the side walls of the slope gully; a second filling body is laid on top of the arched bracing bars, and a second reinforcing mesh is laid horizontally inside the second filling body.

[0006] Furthermore, the second reinforcing mesh laid in the second filling body consists of 1 to 2 layers.

[0007] Furthermore, the lower end of the built-in anchor bar is anchored into the slope soil, and the upper end is provided with a thread for connection with the fixing bolt.

[0008] Furthermore, the first filling material is 1 / 3 to 1 / 2 of the depth of the slope gully, and the compaction degree is 90% to 93%.

[0009] Furthermore, both the first and second reinforcing meshes are geogrids. The first reinforcing mesh is connected to the arched support bars by binding straps, and the two outer sides of the second reinforcing mesh are connected to the support side plates by binding straps.

[0010] Furthermore, the width of the arched support bar is 10~20cm, it is in the shape of a circular arch with a central angle of 15~30°, and both ends are fixedly connected to the inner side of the support side plate.

[0011] Furthermore, the top of the supporting side plate is provided with side plate anchor bars, which are anchored to the slope soil.

[0012] Furthermore, the compaction degree of the second filler is 90%~93%.

[0013] This invention incorporates a first reinforcing mesh and a second reinforcing mesh within the gully slope, enhancing the integrity and stability of the first and second fillers. An arched support bar is positioned on the upper surface of the first reinforcing mesh, and downward pressure is applied to the arched support bar using fixing bolts. This not only enables rapid fixing of the bottom end of the support plate but also applies prestress to the first reinforcing mesh to a certain extent, improving the stability and integrity of the gully slope and reducing the difficulty of backfilling and restoring the gully. Attached Figure Description

[0014] Figure 1 This is a cross-sectional view of the slope gully of this utility model;

[0015] Figure 2 This is a longitudinal section view of the slope gully of this utility model;

[0016] In the figure: 1-slope gully; 2-first filler; 3-built-in anchor bar; 4-first reinforcing mesh; 5-arched bracing bar; 6-fixing bolt; 7-bracing side plate; 8-second filler; 9-second reinforcing mesh; 10-side plate anchor bar; 11-slope soil. Specific Implementation

[0017] The technical requirements for filling and compacting the first and second fillers, as well as the technical requirements for laying the first and second reinforcing meshes, will not be repeated in this embodiment. The focus is on describing the implementation method of the structure involved in this utility model.

[0018] Figure 1 This is a cross-sectional view of the slope gully of this utility model. Figure 2 This is a longitudinal section view of the slope gully of this utility model. (Refer to...) Figure 1As shown, a first filling body 2 is set at the bottom of the slope gully 1; firstly, internal anchor bars 3 are evenly spaced along the length of the slope gully 1, then a first reinforcing mesh 4 is laid on the upper surface of the first filling body 2, and an arched support bar 5 is set at the junction of the first reinforcing mesh 4 and the internal anchor bars 3. Then, a downward pressure is applied to the arched support bar 5 by fixing bolts 6, so that the support side plates 7 at both ends of the arched support bar 5 are tightly attached to the two side walls of the slope gully 1; a second filling body 8 is set on the upper part of the first reinforcing mesh 4 and the arched support bar 5, and 1 to 2 layers of second reinforcing mesh 9 are set inside the second filling body 8; so that the free surface of the second filling body 8 is flush with the free surface of the slope soil 11.

[0019] The slope soil 11 is a sandy soil embankment slope; the slope gully 1 has a depth of 0.6m and a width of 0.8m.

[0020] The first filler 2 is made of cohesive soil with a compaction degree of 90% and a filling height of 0.3m; the second filler 8 is made of sandy soil with a compaction degree of 93%.

[0021] The built-in anchor bar 3 is made of 32mm diameter threaded steel bar, with one end anchored into the slope soil and the other end threaded to connect with the fixing bolt 6. The fixing bolt 6 matches the thread of the built-in anchor bar 3.

[0022] Both the first reinforcing mesh 4 and the second reinforcing mesh 9 are made of glass fiber geogrid and are laid along the length of the slope gully 1. The width is the same as the net width at the laying elevation of the slope gully 1.

[0023] The arched support bar 5 is made of 2mm thick steel plate, 15cm wide, and arc-shaped with a central angle of 15°. Both ends are welded to the support side plate 7. The support side plate 7 is made of 2mm thick steel plate, 15cm wide, and has side plate anchor bars 10 at the top. The side plate anchor bars 10 have a U-shaped cross section, are made of 10mm diameter steel bars, and are anchored in the slope soil 11.

[0024] The overall structure and stability of this utility model are greatly improved, and no ditch repair is required during construction, saving 2-3 days of construction time.

Claims

1. A slope gully restoration structure, characterized in that, A first filling body (2) is provided at the bottom of the slope gully (1), and built-in anchor bars (3) are provided at even intervals along the longitudinal direction of the slope gully (1). A first reinforcing mesh (4) and an arched support bar (5) are laid from bottom to top on the upper surface of the first filling body (2), and are connected to the upper end of the built-in anchor bar (3) by fixing bolts (6). The arched support bar (5) arches upward, and its two ends are connected to the inner side of the support and pressure side plate (7) laid opposite to the side walls of the slope gully (1). A second filling body (8) is laid on the top of the arched support bar (5), and a second reinforcing mesh (9) is laid horizontally inside the second filling body (8).

2. The slope gully restoration structure according to claim 1, characterized in that, The second reinforcing mesh (9) laid inside the second filling body (8) consists of 1 to 2 layers.

3. The slope gully restoration structure according to claim 1, characterized in that, The lower end of the built-in anchor bar (3) is anchored into the slope soil (11), and the upper end is provided with a thread for connection with the fixing bolt (6).

4. The slope gully restoration structure according to claim 1, characterized in that, The first filling material (2) is 1 / 3 to 1 / 2 of the depth of the slope gully (1) and has a compaction degree of 90% to 93%.

5. The slope gully restoration structure according to claim 1, characterized in that, The first reinforcing mesh (4) and the second reinforcing mesh (9) are both geogrids. The first reinforcing mesh (4) is connected to the arched support bar (5) by binding straps, and the two outer sides of the second reinforcing mesh (9) are connected to the support plate (7) by binding straps.

6. The slope gully restoration structure according to claim 1, characterized in that, The width of the arched support (5) is 10~20cm, and it is in the shape of a circular arch with a central angle of 15~30°. Both ends are fixedly connected to the inner side of the support side plate (7).

7. The slope gully restoration structure according to claim 1, characterized in that, The top of the supporting side plate (7) is provided with side plate anchor bars (10), which are anchored in the slope soil (11).

8. The slope gully restoration structure according to claim 1, characterized in that, The compaction degree of the second filler (8) is 90%~93%.

Images