Rapid repairing method for water and soil loss of granite broken accumulated soil slope surface
Through the method of connecting cement frames and galvanized steel wires and planting grass, the problems of environmental damage, difficulty in finding materials, high cost and poor stability in the prevention and control of soil erosion on the slopes of granite broken soil are solved, and rapid, economical and stable are achieved repair effect.
Patent Information
- Application Number
- CN202411799238.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-01-10
AI Technical Summary
The existing soil erosion prevention and control methods for the broken granite slopes have problems such as environmental damage, difficulty in finding materials, high cost and poor stability, especially the concrete sash is prone to collapse or is washed away by heavy water.
The cement frame is connected with the galvanized steel wire of the steel brazing to ensure that the cement frame is connected with granite, and a stable slope is formed through the combined structure of the cement frame and rock, increasing the soil strength and planting grass to enhance the mechanical strength of the rhizospheric soil layer.
The rapid restoration of the broken granite soil slope has been achieved, which enhances corrosion resistance and water stability, reduces construction costs, and ensures the restoration of slope stability and vegetation restoration.
Smart Images
Figure CN119287905A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a device and method for repairing a broken granite soil slope, and more specifically to a method for quickly repairing soil and water loss on a broken granite soil slope under a complex environment. Background Art
[0002] At present, in the research on the technology of preventing and controlling soil erosion on slopes, the commonly used methods of slope protection can be roughly divided into two categories, namely engineering protection and plant protection; engineering protection is generally used for soil fill and excavation slopes that are not suitable for plant growth, or rock roadbed slopes with severe weathering and developed joints, and excavation slopes of crushed stone soil, etc.; mainly adopting the process methods of frame, plastering, hammering and spraying, slope retaining wall, etc. Frame protection is to use concrete, mortar-laid slabs (blocks) of stone and other materials to form a skeleton on the slope, increase the surface roughness coefficient of the slope, slow down the water flow rate, and has a good effect on reducing the instability and water erosion resistance of the slope in the early stage of construction, and the effect is very significant. ; However, this protection method has the following disadvantages: first, it destroys the environment for plant growth, making it impossible for the natural vegetation destroyed by highway excavation to recover permanently; second, it is not conducive to improving the driving effect of the highway; third, it is difficult to find high-quality masonry materials in many highway construction sites, and the use of a large number of labor forces also makes these protection projects very expensive; fourth, since the concrete frame and the granite broken soil slope are separate structures, they are prone to collapse or being washed away by floods; At present, the state and construction units attach great importance to environmental protection, and have invested a lot of manpower and material resources in research on how to protect the environment during engineering construction. Summary of the invention
[0003] The purpose of the invention is to solve the existing problems and disclose a method for quickly repairing soil erosion on a granite broken soil slope. The method uses a connecting column of a cement frame and a galvanized steel wire of a steel chisel to connect the cement frame and the granite as a whole, thereby ensuring the stability of the repaired broken soil slope.
[0004] In order to achieve the invention purpose of this disclosure, this application discloses the following technical solutions: A method for quickly repairing soil erosion on a slope surface of a granite broken soil accumulation slope, comprising cleaning the broken soil accumulation on the granite slope, using equipment to screen rocks, installing a cement frame from the bottom of the slope, connecting the connecting column inside the cement frame with the granite, filling rocks between the cement frame and the granite slope, installing and planting grass on the upper cement frame and accepting the inspection; A. Cleaning of broken soil on granite slope: According to the plan, all the broken soil including the excavation slope, the severely weathered and jointed rock roadbed slope and the gravel excavation slope will be cleared and piled up in multiple places where it will not affect the construction. Then, large rocks and cement will be used to level the lower part of the slope to build a low wall, and some large rocks and small rocks will be used to fill the space between the slope and the low wall. B. Use equipment to screen rocks: Use screening equipment to screen the rocks in the previous step into large rocks, small rocks and crushed soil; C. Install cement frame from the bottom of the slope: Use a drill bit to drill the required number and height of the first row of inclined holes facing upward from the outside on the granite rock mass on the slope, use an impact hammer to drive the steel drill into the inclined holes in the granite rock mass, place a large rock at the lower part of the outer end of the steel drill, and then place the lower part of the cement frame on the low wall; D. Connect the connecting column inside the cement frame to the granite: Connect the inner ends of the middle connecting columns on the inner side of multiple rows of cement frames to the outer ends of the steel drills through galvanized steel wires. At this time, the upper part of the cement frame is inclined toward the granite rock mass. According to the principle of large inside and small outside, large rocks are laid on both sides and the upper part of the connecting columns close to the granite rock mass, and hammering is used to stabilize the large rocks. Then, small rocks are filled into the lower part and both sides of the connecting columns and compacted with hammers. E. Fill the rocks between the cement frame and the granite slope: Fill the space between the inside of the cement frame and the small rocks with soil, then put a larger stone slab inside the square opening of the cement frame, and then fill the upper part between the inside of the cement frame with large rocks, small rocks and soil again, and compact them. During this process, ensure that there is space in the square opening of the cement frame. F. Installation of upper cement frame: Use a drill bit to drill a second row of inclined holes with the required number and height facing outward on the upper part of the first row of inclined holes in the granite rock mass on the slope, use an impact hammer to drive a steel drill into the second row of inclined holes in the granite rock mass, use a large rock to place the lower part of the outer end of the steel drill, and according to the terrain and design, put cement wedges into the two concave corners at both ends of the upper part of the two cement frames at the bottom or the square holes in the middle of the cement frames, and then put the concave corners in the lower middle or end of the second row of cement frames on the cement wedges to form a second row of cement frames, and then fill in large rocks, small rocks and fill soil according to the method of step C, and then install the third row of cement frames, the fourth row of cement frames and the Nth row of cement frames of the required height in turn to the designed height; use concrete to fill the gaps between the entire edge and the cement frames; G. Planting grass and acceptance: After filling the square opening of each cement frame with soil, use lawn turf to cover the filled soil in the square opening and inspect it.
[0005] In the method for quickly repairing soil erosion on a granite slope with broken soil accumulation, in step C, the depth of the inclined hole on the granite rock mass of the slope is between one meter and two meters, and the steel drill is interference fit with the inner wall of the inclined hole.
[0006] In the method for rapid repair of soil erosion on a slope surface of a broken granite soil accumulation, the stone slab in step E is a vegetation concrete slab.
[0007] In the method for quickly repairing soil erosion on a granite broken soil accumulation slope, the cement wedge block is a square structure, and bulges are respectively arranged in the middle of the front and rear faces of the square structure cement wedge block.
[0008] The method for quickly repairing soil erosion on the surface of a granite broken soil slope is as follows: a block is arranged at the inner end of a connecting column, an expanding head is arranged at the outer end of a steel drill, and galvanized steel wires are bundled on the connecting column near the block and on the steel drill near the expanding head.
[0009] The method for quickly repairing soil erosion on the surface of a granite broken soil slope is characterized in that two square openings are arranged in the middle of the cement frame.
[0010] The method for quickly repairing soil erosion on the surface of a granite broken soil slope comprises the following steps: an outer inclined surface and an inner inclined surface are respectively arranged on the middle plane of the outer edge of the cement frame to the front and rear faces.
[0011] Through the above disclosure, the beneficial effects of the present disclosure are: The method for quickly repairing soil erosion on the surface of a granite broken soil accumulation slope disclosed in the present invention provides square holes in the middle of the upper and lower surfaces of the cement frame and recessed angles at both ends of the upper and lower surfaces of the cement frame, so that the connection between the upper and lower rows of cement frames is more secure, and the overall tilt changes with the terrain can be obtained by changing the position of the cement wedges; the square blocks provided at the inner ends of the connecting columns inside the cement frame can be well integrated with the large rocks, greatly improving the ability to prevent collapse and resist runoff erosion and scouring, and the galvanized steel wire connection between the steel drill and the connecting column allows the cement frame to be connected to the granite The invention integrates the above-mentioned advantages and disadvantages into one, further increasing the stability of the repaired broken soil slope and improving the soil strength, playing the role of consolidating soil and protecting the slope; through the aforementioned mutual influence, the erosion resistance of the slope protection soil is enhanced and it is not easy to collapse when encountering water, thereby improving the strength and water stability of the soil after repair and strengthening the slope soil; planting grass in the square mouth of the cement frame obtains the mechanical effect of vegetation on the soil through its branches and roots, increasing the mechanical strength of the rhizosphere soil layer and even directly reinforcing the soil; the rapid repair effect of the broken granite soil slope on soil and water loss is in line with expectations, achieving the effects of low cost and fast construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a construction step diagram of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the cement frame of the present invention; Figure 3 is a top view of a cement frame of the present invention; Figure 4 It is a schematic diagram of the structure of the cement wedge of the present invention; Figure 5 It is a schematic diagram of the connection structure between the cement frame and the cement wedge block of the present invention.
[0013] In the figure: 1. Cement wedge; 2. Bump; 3. Square; 4. Connecting column; 5. Cement frame; 6. Recessed corner; 7. Square hole; 8. Inner slope; 9. Flat surface; 10. Outer slope; 11. Square mouth; 12. Granite; 13. Steel drill; 14. Expansion head; 15. Galvanized steel wire; 16. Large rock; 17. Small rock; 18. Fill; 19. Vegetated concrete slab. DETAILED DESCRIPTION
[0014] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings so as to more clearly understand the invention objectives, features and advantages of the present invention. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the present invention, but are only intended to explain that the technical solution of the present invention is not limited to one implementation method.
[0015] Combined with Figures 1 to 5 The method for rapid repair of soil erosion on the slope surface of the granite broken soil slope described in the invention comprises cleaning the broken soil on the granite slope, using equipment to screen the rocks, installing a cement frame from the bottom of the slope, connecting the connecting columns inside the cement frame with the granite, filling the rocks between the cement frame and the granite slope, installing the upper cement frame, planting grass and accepting the inspection; First, according to the design and Figure 2 , 3 Or the structure of the cement frame 5 and the cement wedge 1 given in 4 is prefabricated, and two square openings 11 of substantially the same size are arranged in the middle of the cement frame 5, and an outer inclined surface 10 and an inner inclined surface 8 are respectively arranged from the middle plane 9 of the outer edge of the cement frame 5 to the front and back faces, the connecting column 4 in the middle of the inner side surface of the cement frame 5 and the block 3 at the inner end of the connecting column 4 are an integrated structure, and a steel skeleton is arranged inside it to increase the strength; the cement wedge 1 is a square structure, and a bulge 2 is respectively arranged in the middle of the front and back faces of the cement wedge 1 of the square structure, and a steel mesh is arranged inside the cement wedge 1 to increase the strength; the steel drill 13 and the expansion head 14 are an integrated structure, and the steel drill 13 is galvanized to prevent rust; the galvanized steel wire 15 has a diameter greater than or equal to three millimeters; the vegetation concrete board 19 is customized and commercially available.
[0016] A. Cleaning of broken soil on granite slope: According to the plan, all the broken soil including the excavation slope, the severely weathered and jointed rock roadbed slope and the gravel soil excavation slope will be cleared to the nearby flat land where it will not affect the construction. They can be piled up in multiple places. Then, large rocks 16 with hard texture will be found in the cleared broken soil. The large rocks 16 and cement will be used to level the lower part of the slope and build a low wall. Some large rocks 16 and small rocks 17 will be used to fill the space between the slope and the low wall. B. Use equipment to screen rocks: Use a large grid bucket shovel with suitable spacing to screen out the large rocks 16, and then use a grid bucket shovel with smaller spacing to screen out the small rocks 17 and crushed soil; in this way, cleaning and screening can be completed in one step; C. Install cement frame from the bottom of the slope: Use a drill bit to drill the required number, spacing and height of the first row of inclined holes facing upward from the outside on the granite 12 rock mass on the slope. The depth of the inclined holes is between one meter and two meters. Use an impact hammer to drive the steel drill 13 into the inclined holes of the granite 12 rock mass so that the steel drill 13 forms an interference fit with the inner wall of the inclined hole. Use a large grid bucket shovel with appropriate spacing to dump the large rock 16 at the lower part of the outer end of the steel drill 13, that is, close to the granite 12, and then place the lower part of the cement frame 5 on the low wall; D. Connect the connecting column inside the cement frame to the granite: Place the connecting columns 4 at the middle of the inner side of the multiple rows of cement frames 5 near the inner end blocks 3 on the large rocks 16 at the steel drill 13 according to the required angle, and then bind and connect them with the enlarged head 14 near the outer end of the steel drill 13 through the galvanized steel wire 15. At this time, the upper part of the cement frame 5 is inclined toward the granite 12 rock mass. According to the principle of large inside and small outside, large rocks 16 are laid on both sides and the upper part of the connecting columns 4 close to the granite 12 rock mass, and hammering is used to stabilize the large rocks 16. Then, small rocks 17 are filled into the lower part and both sides of the connecting column 4 and compacted with hammers. E. Fill the rocks between the cement frame and the granite slope: Fill soil 18 between the inner side of the cement frame 5 and the small rock 17, then put a larger stone slab inside the square opening 11 of the cement frame 5, the stone slab can be a cement slab or a commercially available vegetation concrete slab 19, and then fill the upper part between the inner side of the cement frame 5 with large rocks 16, small rocks 17 and soil 18 again, and tamp them. This process should ensure that there is space in the square opening 11 of the cement frame 5; F. Installation of upper cement frame: Use a drill bit to drill a second row of inclined holes with the required number and height on the upper part of the first row of inclined holes in the granite 12 rock mass on the slope, and use an impact hammer to drive a steel drill 13 into the second row of inclined holes in the granite 12 rock mass, and use a large rock 16 to place the lower part of the outer end of the steel drill 13. According to the terrain and design, cement wedges 1 are placed in the two recessed corners 6 at both ends of the upper part of the two cement frames 5 at the bottom or in the square holes 7 in the middle of the cement frames 5, and then the recessed corners 6 in the lower middle or end of the second row of cement frames 5 are put on the cement wedges 1 to form the second row of cement frames 5, and then fill in large rocks 16, small rocks 17 and fill 18 according to the method of step C, and then install the third row of cement frames 5, the fourth row of cement frames 5 and the Nth row of cement frames 5 of the required height to the designed height in turn; use concrete to fill and repair the gaps between the entire edge and the two cement frames 5; if it is used as a roadbed slope, the upper part is constructed according to the highway grade specification or the railway construction specification.
[0017] G. Planting grass and acceptance: After the square opening 11 of each cement frame 5 is filled with soil, the filled soil in the square opening 11 is covered with lawn turf and accepted.
[0018] The preferred embodiments of the present disclosure have been described in detail above, but it should be understood that after reading the above teachings of the present disclosure, those skilled in the art may make various changes or modifications within the scope of protection of the present disclosure. These equivalent forms also fall within the scope defined by the claims attached to this application.
[0019] Parts of the present invention not described in detail are prior art.
Claims
1. A method for quickly repairing soil erosion on a granite slope, characterized by: It includes cleaning the broken soil at the granite slope, using equipment to screen the rocks, installing the cement frame from the bottom of the slope, connecting the connecting columns inside the cement frame with the granite, filling the rocks between the cement frame and the granite slope, installing the upper cement frame, planting grass and accepting the inspection; A. Cleaning of broken soil on granite slope: According to the plan, all the broken soil including the excavation slope, the severely weathered and jointed rock roadbed slope and the gravel excavation slope will be cleared and piled up in multiple places where they will not affect the construction. Then, large rocks (16) and cement will be used to level the lower part of the slope to build a low wall. Some large rocks (16) and small rocks (17) will be used to fill the space between the slope and the low wall. B. Use equipment to screen rocks: Using a screening device to screen the rock from the previous step into large rocks (16), small rocks (17) and crushed soil; C. Install cement frame from the bottom of the slope: Use a drill bit to drill the required number and height of the first row of inclined holes facing upward from the outside on the granite (12) rock mass on the slope, use an impact hammer to drive the steel drill (13) into the inclined holes in the granite (12) rock mass, use a large rock (16) to place the lower part of the outer end of the steel drill (13), and then place the lower part of the cement frame (5) on the low wall; D. Connect the connecting column inside the cement frame to the granite: Connect the inner ends of the connecting columns (4) in the middle of the inner side of the multiple rows of cement frames (5) to the outer ends of the steel chisels (13) through galvanized steel wires (15), and then the upper part of the cement frames (5) is inclined toward the granite (12) rock mass. According to the principle of large inside and small outside, large rocks (16) are laid on both sides and the upper part of the connecting columns (4) close to the granite (12) rock mass, and the large rocks (16) are stabilized by hammering. Then, small rocks (17) are filled into the lower part and both sides of the connecting columns (4) and the small rocks (17) are compacted by hammering. E. Fill the rocks between the cement frame and the granite slope: Fill the space between the inner side of the cement frame (5) and the small rock (17) with soil (18), then place a larger stone slab inside the square opening (11) of the cement frame (5), and then fill the upper part between the inner side of the cement frame (5) with large rocks (16), small rocks (17) and soil (18) again, with the inner side being larger than the outer side, and the upper part between the inner side of the cement frame (5) and the granite (12) rock mass and compact them. During this process, ensure that there is space in the middle of the square opening (11) of the cement frame (5); F. Installation of upper cement frame: A second row of inclined holes with the required number and height facing outwards are drilled on the upper part of the first row of inclined holes in the granite (12) rock mass on the slope using a drill bit, and a steel drill (13) is driven into the second row of inclined holes in the granite (12) rock mass using an impact hammer, and a large rock (16) is placed at the lower part of the outer end of the steel drill (13). According to the terrain and design, cement wedges (1) are placed in the two concave corners (6) at both ends of the upper part of the two cement frames (5) at the bottom or in the square holes (7) in the middle of the cement frames (5). , then the concave corner (6) at the lower middle or end of the second row of cement frames (5) is placed on the cement wedge (1) to form the second row of cement frames (5), and then large rocks (16), small rocks (17) and fill (18) are filled in according to the method of step C, and the third row of cement frames (5), the fourth row of cement frames (5) and the Nth row of cement frames (5) of the required height are installed in sequence to the designed height; the gaps between the entire edge and the cement frames (5) are filled and repaired with concrete; G. Planting grass and acceptance: After filling the square opening (11) of each cement frame (5), the filling soil in the square opening (11) is covered with lawn turf for acceptance.
2. The method for rapid repair of soil erosion on a granite slope according to claim 1 is characterized by: In step C, the depth of the inclined hole on the granite (12) rock mass of the slope is between one meter and two meters, and the steel drill (13) is in interference fit with the inner wall of the inclined hole.
3. The method for rapid repair of soil erosion on a granite slope according to claim 1 is characterized by: The stone slab in step E is a vegetation concrete slab (19).
4. The method for rapid repair of soil erosion on a granite slope according to claim 1 is characterized by: The cement wedge (1) is of a square structure, and bulges (2) are respectively provided in the middle of the front and rear faces of the cement wedge (1) of the square structure.
5. The method for quickly repairing soil erosion on the surface of a granite slope according to claim 1 is characterized in that: The inner end of the connecting column (4) is provided with a block (3), the outer end of the steel chisel (13) is provided with an expansion head (14), and the galvanized steel wire (15) is tied to the connecting column (4) near the block (3) and the steel chisel (13) near the expansion head (14).
6. The method for rapid repair of soil erosion on a granite slope according to claim 1 is characterized by: Two square openings (11) are provided in the middle of the cement frame (5).
7. The method for rapid repair of soil erosion on a granite slope according to claim 1 is characterized by: An outer inclined surface (10) and an inner inclined surface (8) are respectively provided from the middle plane (9) of the outer edge of the cement frame (5) to the front and rear surfaces.