CN218540731U - Side slope hidden danger disaster management and ecological protection structure - Google Patents
Side slope hidden danger disaster management and ecological protection structure Download PDFInfo
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- CN218540731U CN218540731U CN202222845409.6U CN202222845409U CN218540731U CN 218540731 U CN218540731 U CN 218540731U CN 202222845409 U CN202222845409 U CN 202222845409U CN 218540731 U CN218540731 U CN 218540731U
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- side slope
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The utility model relates to a side slope hidden danger disaster treatment and ecological protection structure, which belongs to the technical field of environmental geotechnical engineering, wherein a side slope is provided with a sliding surface which is low in the front and high in the back, a row of transversely arranged anti-slide piles are buried at the back side of the sliding surface, and the anti-slide piles are connected with a stable rock mass in the deep part of the earth surface; a soil retaining plate is arranged at the rear side of the row of anti-slide piles; a geogrid is laid on the sliding surface, a plant biological bag is arranged above the geogrid, and the front end of the geogrid is turned over to form a grid reverse wrapping section for fixing the plant biological bag; the sliding surface is also provided with a plurality of miniature piles, and the lower ends of the miniature piles penetrate through the grid holes of the geogrid and are embedded in the stable rock mass; and a rock-soil displacement monitoring assembly is also arranged on the sliding surface. The utility model discloses a scheme can play afforestation reinforcing action to the side slope, prevents the emergence of secondary disasters such as soil erosion and water loss more effectively to construction convenience, safe and reliable, total cost are lower, can once administer in place.
Description
Technical Field
The utility model belongs to the technical field of environment geotechnical engineering, specifically relate to a side slope hidden danger disaster is administered and ecological protective structure.
Background
With the popularization of electric power, the transmission line inevitably passes through mountainous areas, and the challenges of complex engineering geological conditions, high maintenance cost and the like are faced. The power transmission line in the mountainous area usually has the problems of waste soil accumulation and vegetation damage, and under the action of bad weather such as strong rainfall, bad geological disasters such as landslides easily occur in the range of a tower foundation of the power transmission line, so that huge economic loss and casualties are caused. Therefore, it is important to avoid the occurrence of disasters and to timely manage and protect the tower footing side slope with the potential hazards of the disasters.
In addition, many geological problems of digging and filling side slopes on the ground of a mine area are similar to the problems of mountain area line tower foundations, limited by terrain conditions, difficult to place mechanical equipment, high in supporting difficulty, difficult to construct, large in environmental influence, and prone to landslide and other disasters when anti-slide pile supporting and other schemes are adopted.
At present, most of slope management and protection adopt modes such as turf tiling and foreign soil vegetation slope protection to temporarily afforest around the slope, the ecological slope protection is poor in stability and difficult to maintain in early stage, and because the slope gradient is steep, the rainwater runoff speed is high, the existing slope surface is easily scoured, water and soil loss is serious, and vegetation is difficult to survive. Especially for unstable tower footing side slopes, the ecological slope protection has the advantages of high cost, long later maintenance time, high overall cost, unsatisfactory slope protection effect and poor economic benefit. And the hidden danger of the side slope is required to be managed in place at one time, so that repeated reworking caused by poor management effect is avoided, and the generation of secondary landslide is prevented. Therefore, the existing technical scheme can not meet the current need of disaster control and protection on the slopes such as the line tower footing and the mine site and the ground.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the side slope hidden danger disaster treatment and ecological protection structure is suitable for a line tower footing side slope, a mine site land-tracking side slope and the like, plays a role in greening and reinforcing the side slope, more effectively prevents secondary disasters such as water and soil loss and the like, and is convenient to construct, safe, reliable and low in total cost.
According to the technical scheme of the utility model, the utility model provides a side slope hidden danger disaster treatment and ecological protection structure, the side slope has a sliding surface with a low front part and a high back part, a row of transversely arranged slide-resistant piles are embedded at the rear side of the sliding surface, and the slide-resistant piles are connected with a stable rock mass in the deep part of the earth surface; a soil retaining plate is arranged at the rear side of the row of anti-slide piles; a geogrid is laid on the sliding surface, a plant growth bag is arranged above the geogrid, and the front end of the geogrid is folded to form a grid reverse wrapping section for fixing the plant growth bag; the sliding surface is also provided with a plurality of micro piles, and the lower ends of the micro piles penetrate through the grid holes of the geogrid and are embedded in the stable rock mass; and a rock-soil displacement monitoring assembly is also arranged on the sliding surface.
Furthermore, the lower end of the anti-slide pile is embedded in the stable rock mass, and the anti-slide pile is connected with the stable rock mass through an anchor rod or a prestressed anchor cable.
Furthermore, the side slope is provided with a transverse drainage ditch at the rear side of the upper part of the soil retaining plate.
Furthermore, a lattice beam is arranged on the side slope behind the soil retaining plate.
Furthermore, the miniature piles are vertically arranged and are arranged in a quincuncial or square lattice shape.
Furthermore, the geogrid is provided with backfill soil.
Furthermore, the rock-soil displacement monitoring assembly comprises an inclinometer tube, wherein one or more inclinometer probes are arranged in the inclinometer tube from top to bottom, and are connected with a signal transmitting device and a data acquisition unit; the bottom of the inclinometer tube is provided with a sealing cover; the sliding surface is provided with a drill hole, the inclinometer pipe is arranged in the drill hole, and a coarse sand layer is arranged between the inclinometer pipe and the inner wall of the drill hole.
Furthermore, the deviational survey pipe is vertical setting, and the deviational survey pipe sets up between the miniature stake and/or between the friction pile.
Furthermore, the burying depth of the inclinometer pipe is greater than that of the slide-resistant pile.
In some embodiments, the side slope is embedded with a foundation at the rear side of the anti-slide pile.
Compared with the prior art, the utility model discloses a beneficial technological effect as follows:
1. the utility model discloses a scheme combines together plant bank protection technique and engineering safeguard measure, and the side slope stability problem that has landslide calamity hidden danger can effectively be solved in coordination to play the supporting role, reaches the purpose that side slope hidden danger was administered and is early-warned, not only plays the side slope reinforcing effect, can prevent soil erosion and water loss moreover, prevent to take place secondary disaster.
2. The supporting structure in the scheme of the utility model uses the anti-slide pile, the retaining plate and the prestressed anchor cable or the anchor rod to process the landslide body, wherein the inter-pile retaining plate can prevent the loss of the inter-pile soil, the prestressed anchor cable or the anchor rod can increase the supporting effect of the anti-slide pile, the overall safety factor of the side slope is improved, the stability of the slippage body is maintained, the construction speed is high, and the reliability is high; the slope protection structure uses miniature stake, geogrid, plant living bag to administer the landslide body before the stake, and wherein miniature stake can effectively reinforce the preceding soil body of stake, and geogrid can realize domatic recovery, and plant living bag can prevent domatic soil erosion and water loss to can resume the vegetation as soon as possible.
3. The utility model discloses a scheme is taken to cut drainage measure to the side slope, can effectively dredge drainage groundwater through setting up the escape canal on the fender apron, arranges the surface water to the slope body outside, prevents slope body hydrostatic pressure increase.
4. In the scheme of the utility model, the rock-soil displacement monitoring assembly is arranged in the slide-resistant pile and the miniature pile group, the inclinometer pipe is embedded in the slide-resistant pile construction, and the deformation of the slide-resistant pile is monitored; the drilling buried depth inclinometer pipe among the miniature pile groups monitors the deformation of a slope body, can monitor the deformation of a supporting and protecting structure and a soil body in the side slope management range, and has an early warning function.
Drawings
Fig. 1 is a schematic cross-sectional structural view of an embodiment of the present invention.
Fig. 2 is a schematic top view of another embodiment of the present invention.
Fig. 3 is a schematic structural view of a part of the soil displacement monitoring assembly in the embodiment shown in fig. 1.
Fig. 4 is a schematic top view of the structure shown in fig. 3.
Reference numbers in the figures illustrate:
1. a tower footing;
2. anti-slide piles;
3. a soil guard plate;
4. a geogrid;
5. a grid reverse wrapping section;
6. planting a biological bag;
7. micro-piles;
8. a rock-soil displacement monitoring assembly;
9. an anchor rod;
10. a pre-stressed anchor cable;
11. a drainage ditch;
12. a lattice beam;
13. backfilling;
14. an inclinometer tube;
15. an inclinometer probe;
16. a sealing cover;
17. drilling;
18. a coarse sand layer;
19. a guide groove;
20. and (4) a guide wheel.
Detailed Description
The utility model provides a side slope hidden danger calamity is administered and ecological protection structure is applicable to circuit column foot side slope and mining area trace side slope etc. plays the afforestation reinforcing action to the side slope, prevents the emergence of secondary disasters such as soil erosion and water loss more effectively to construction convenience, safe and reliable, total cost are lower, can once administer and target in place.
Referring to fig. 1, a typical application scenario of the present invention is a tower foundation slope of a line, a tower foundation 1 (a tower leg foundation pile) is buried in a slope with a front lower portion and a rear higher portion (for convenience of description, the front and rear direction is defined), the slope has a sliding surface, the sliding surface is a surface position where disasters such as soil erosion/landslide occur or potential hazards of the disasters occur, and a stable rock mass (a foundation layer) in a deep surface is below the sliding surface. For the slope of the line foundation, a sliding surface is formed at the front position of the foundation 1. The utility model discloses a another kind of typical application scene is mining area trace ground side slope, and its side slope geology is similar with circuit column foot side slope, and the difference only lies in not having column foot 1 in general, can adopt equally the utility model discloses a protection is administered to the scheme.
The utility model discloses a slope hidden danger calamity is administered and ecological protection structure mainly including setting up in the supporting construction at glide plane rear, locating the slope protection structure of glide plane to and ground displacement monitoring subassembly 8. The supporting structure mainly comprises anti-slide piles 2 and retaining plates 3, and engineering protection is achieved; the slope protection structure mainly comprises a micro pile 7, a geogrid 4 and a plant growing bag 6, and plant slope protection is realized; the rock-soil displacement monitoring assembly 8 is arranged on the sliding surface, so that the slope deformation is detected, and the early warning function is achieved.
Specifically, a row of a plurality of transversely arranged slide-resistant piles 2 are buried behind the sliding surface (in front of the foundation 1), the slide-resistant piles 2 are connected with the stable rock mass in the depth of the ground surface, a retaining plate 3 of a reinforced concrete structure is arranged behind the row of slide-resistant piles 2, and the retaining plate 3 is arranged between the piles of the slide-resistant piles 2 to prevent the loss of soil between the piles. One or more layers of geogrids 4 are laid on the sliding surface, the rear side ends of the geogrids 4 are fixed through the anti-slide piles 2, plant-growing bags 6 are laid on the geogrids 4, the front sides of the geogrids 4 are turned upwards and folded to form grid reverse-wrapping sections 5 (reverse-wrapping belts), and therefore the plant-growing bags 6 are limited and fixed at the lower positions of the front sides. The sliding surface is provided with a plurality of micro-piles 7, the turn-up belts are generally positioned among the micro-piles 7, and the lower ends of the micro-piles 7 penetrate through the grid holes of the geogrid 4 (and the grid turn-up sections 5) to be buried in the stable rock mass.
In one embodiment, the geogrid 4 is made of polyethylene, and the size of the geogrid is 40mm-80mm, so that the geogrid is used for reinforcing a soil slope, preventing water and soil loss, and supporting the plant growth bags 6 to facilitate stable growth of plants in the plant growth bags. During construction, the sliding surface is cleaned, the geogrid 4 is laid, then the backfill soil 13 is arranged at the upper part of the geogrid 4 and is tamped, and the compaction degree is not lower than 0.95; arranging plant growing bags 6 and the like, and finally treating and recovering the slope surface on the surface layer; wherein, the length of the grid reverse-wrapping section 5 is not less than 1m. The plant growing bag 3 is also called plant bag, greening bag and grass planting bag, and is made of degradable non-woven fabric and sunshade net, in which plant seeds and soil are held, after a period of time the plant seeds can grow root and break the plant bag and enter into the soil of side slope, so that the greening slope protection can be implemented.
Referring to fig. 2, the side slope behind the soil guard plate 3 is provided with lattice beams 12 having a lattice structure, and in case of the existence of the foundation 1, the foundation 1 is accommodated in the gaps of the lattice structure and serves to reinforce the rock-soil mass at the high position (around the foundation 1) behind the sliding surface, thereby improving the stability of the rock-soil mass at the periphery and preventing water and soil loss. The micro piles 7 are formed by pouring steel pipes and cement mortar, are vertically arranged, are arranged in a quincunx or square lattice shape, and are fully distributed in the area covered by the geogrids 4 and the plant growth bags 3, so that the permanent reinforcement effect on the sliding surface (landslide area) is achieved, and the effects of slope management and soil and water conservation are achieved.
In the preferred embodiment, the lower end of the slide-resistant pile 2 is buried in a stable rock mass, the slide-resistant pile 2 is further connected with the stable rock mass through an anchor rod 9 or a prestressed anchor cable 10, and the prestressed anchor cable 10 and the anchor rod 9 are two different reinforcing modes and are determined according to the type and the reinforcing range of the rock mass of the site. Therefore, the anti-slide pile 2, the micro pile 7 and the pre-stressed anchor cable 10 (or the anchor rod 9) all penetrate through the sliding surface and are placed in a stable rock body, and the reinforcing effect is guaranteed.
More preferably, a drainage cut measure is taken for the slope, and specifically, for example, the slope is provided with a lateral drainage ditch 11 (intercepting ditch) at the upper rear side of the soil guard plate 3. The drainage stopping measures effectively drain the surface water and the underground water to the outer side of the slope body through the drainage ditches 11 arranged on the soil retaining plate 3, and prevent the hydrostatic pressure of the slope body from increasing.
Referring to fig. 3 and 4, the rock-soil displacement monitoring assembly 8 (deformation monitoring steel pipe pile) comprises an inclinometer 14, a sealing cover 16 is arranged at the bottom of the inclinometer 14, one or more inclinometer probes 15 are arranged in the inclinometer 14 from top to bottom, and the inclinometer probes 15 are connected with a signal transmitting device and a data collector or other required components through cables. The sliding surface is provided with a drill hole 17, the inclinometer tube 14 is arranged in the drill hole 17, and a coarse sand layer 18 is backfilled between the inclinometer tube 14 and the inner wall of the drill hole 17. The inner side of the inclinometer 14 is provided with a guide groove 19 along the length direction thereof, the outer side of the inclinometer probe 15 is provided with a rotatable guide wheel 20, the guide wheels 20 are arranged in the guide groove 19 in a matching way, and the guide wheels 20 are at least two groups which are symmetrically arranged and are distributed along the slope direction (vertical direction in figure 4), and more preferably four groups which are uniformly distributed along the circumferential direction, so that the up-and-down movement is more stable. The rock-soil displacement monitoring instrument is the prior art, related specific structures are not repeated, and the principle is that when the inclinometer probe 15 slides and measures in the inclinometer tube 14 section by section from bottom to top, the inclination angle change of the inclinometer tube 14 at each depth section can be sensitively reflected, and then the horizontal displacement increment at different elevations is calculated according to the inclination angle. The utility model discloses preferably adopt a plurality of inclinometer probes 15, the benefit lies in can consolidate regional ground body and the structural deformation condition of reinforcing comprehensively real-time supervision more, plays automatic monitoring and early warning function, prevents that the tower footing region from producing big deformation and destruction.
The inclinometer pipe 14 is vertically arranged, and the embedding depth is greater than that of the slide pile 2. Inclinometer tubes 14 are provided between the micropiles 7 and/or between the slide piles 2. An inclinometer pipe 14 is buried in the anti-slide pile construction, and can be used for monitoring the deformation of the anti-slide pile 2; the miniature piles 7 are drilled among groups, buried in the depth and inclinometer pipes, and deformation of a slope body can be monitored; therefore, monitoring of the supporting and protecting structure and the soil deformation condition in the slope management range is achieved, and the early warning function is achieved.
To sum up, the utility model discloses a scheme combines together plant bank protection technique and engineering safeguard measure, and the effect is strutted in coordination to the performance, can effectively solve the stability problem that has topography such as the circuit column foot side slope of landslide calamity hidden danger and mining area trace ground, reaches the purpose that the side slope hidden danger was administered and the early warning, not only plays the side slope reinforcing effect, can prevent moreover that soil erosion and water loss, prevent secondary disaster from taking place.
Claims (10)
1. A side slope hidden danger disaster treatment and ecological protection structure is characterized in that a row of transversely arranged anti-slide piles (2) are embedded at the rear side of the sliding surface, and the anti-slide piles (2) are connected with a stable rock mass in the deep ground surface; a soil retaining plate (3) is arranged at the rear side of the row of the anti-slide piles (2); a geogrid (4) is laid on the sliding surface, a plant growth bag (6) is arranged above the geogrid (4), and the front end of the geogrid (4) is turned over to form a grid reverse wrapping section (5) for fixing the plant growth bag (6); a plurality of micro piles (7) are further arranged on the sliding surface, and the lower ends of the micro piles (7) penetrate through the grid holes of the geogrid (4) and are buried in the stable rock mass; and a rock-soil displacement monitoring assembly (8) is further arranged on the sliding surface.
2. The structure for managing the side slope hidden danger disasters and protecting the ecology according to claim 1, wherein the lower end of the anti-slide pile (2) is buried in the stable rock mass, and the anti-slide pile (2) is further connected with the stable rock mass through an anchor rod (9) or a pre-stressed anchor cable (10).
3. The structure for managing and protecting ecology from hidden danger in side slopes according to claim 1, wherein the side slope is provided with a drainage ditch (11) in a lateral direction at a rear side of an upper portion of the soil retaining plate (3).
4. The structure for managing the hidden danger disasters and protecting the ecology according to claim 1, wherein a lattice beam (12) is arranged on the side slope behind the soil guard plate (3).
5. The structure for managing the side slope hidden danger disasters and protecting the ecology according to claim 1, wherein the micro piles (7) are vertically arranged, and the micro piles (7) are arranged in a quincunx or square lattice shape.
6. The structure for managing and protecting ecology by hidden danger from side slopes according to claim 1, wherein the geogrid (4) is provided with backfill (13).
7. The structure for managing and ecologically protecting hidden danger from side slopes and disasters according to any one of claims 1 to 6, wherein the geotechnical displacement monitoring assembly (8) comprises an inclinometer (14), one or more inclinometer probes (15) are arranged in the inclinometer (14) from top to bottom, and the inclinometer probes (15) are connected with a signal transmitting device and a data acquisition device; the bottom of the inclinometer pipe (14) is provided with a sealing cover (16); a drill hole (17) is formed in the sliding surface, the inclinometer pipe (14) is arranged in the drill hole (17), and a coarse sand layer (18) is arranged between the inclinometer pipe (14) and the inner wall of the drill hole (17).
8. The structure for managing and protecting ecology by hidden danger side slopes according to claim 7, wherein the deviational survey pipes (14) are vertically arranged, and the deviational survey pipes (14) are arranged between the micro-piles (7) and/or between the anti-slide piles (2).
9. The structure for managing the side slope hidden danger disasters and protecting the ecology according to claim 7, wherein the burying depth of the inclinometer pipe (14) is greater than that of the slide-resistant pile (2).
10. The structure for managing the side slope hidden danger disasters and protecting the ecology according to claim 7, wherein a tower footing (1) is buried in the side slope at the rear side of the anti-slide pile (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222845409.6U CN218540731U (en) | 2022-10-27 | 2022-10-27 | Side slope hidden danger disaster management and ecological protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222845409.6U CN218540731U (en) | 2022-10-27 | 2022-10-27 | Side slope hidden danger disaster management and ecological protection structure |
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| Publication Number | Publication Date |
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| CN218540731U true CN218540731U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222845409.6U Active CN218540731U (en) | 2022-10-27 | 2022-10-27 | Side slope hidden danger disaster management and ecological protection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166494A (en) * | 2023-09-01 | 2023-12-05 | 四川省第九地质大队 | Landslide control device and method |
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2022
- 2022-10-27 CN CN202222845409.6U patent/CN218540731U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166494A (en) * | 2023-09-01 | 2023-12-05 | 四川省第九地质大队 | Landslide control device and method |
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