Rock slope passive protection net using waste and old tires

Abstract

A kind of rock slope passive protection net using waste and old tire, including at least two liftable support steel columns, the liftable support steel column includes upper rod and lower rod, upper rod is sleeved on lower rod, pull lock is respectively arranged between the upper and lower ends of upper rod, steel mesh is arranged in the region enclosed by adjacent two upper rods and upper and lower pull locks, and steel mesh is fixed on pull lock and upper rod, waste and old tire is arranged on steel mesh, and waste and old tire is arranged on the side of steel mesh facing slope;The lower end of lower rod is provided with a chassis, and the chassis is embedded in the reinforced concrete foundation, and the reinforced concrete foundation is arranged at the bottom of the slope.The technical problem to be solved by the present application is to provide a rock slope passive protection net using waste and old tire, which has passive protection capability, ecological compatibility and economy.

Description

Technical Field

[0001] This utility model relates to the field of slope protection technology, and in particular to a passive protection net for rock slopes using waste tires. Background Technology

[0002] Due to the lack of soil and vegetation cover, rock slopes in reservoir areas are highly susceptible to geological disasters such as landslides, rockfalls, and local instability under the influence of natural factors such as rainfall, weathering, earthquakes, and human disturbance, posing a serious threat to surrounding transportation, residents' safety, and the ecological environment. Currently, rock slope protection technologies are mainly divided into two categories: passive protection and active protection. Passive protection (such as rockfall barriers and passive protective nets) achieves protection by intercepting falling rocks, but its active restraint on the slope rock mass is limited, and it is prone to failure due to excessive impact loads. Active protection (such as anchor bolt-wire mesh systems) restricts the deformation of the slope rock mass by applying pre-tension, but traditional metal protective nets are costly, have poor ecological compatibility, and insufficient adhesion to the slope surface, and their protective effectiveness is easily reduced by corrosion after long-term use.

[0003] Meanwhile, the recycling and disposal of waste tires has become a global environmental challenge. Waste tires have a natural degradation cycle of several decades. Currently, the main methods for handling waste tires include retreading and reuse, hot-melt remanufacturing, and direct engineering applications (such as slope protection and roadbed reinforcement). Among these, direct engineering applications are considered the most environmentally friendly and economically efficient approach.

[0004] In recent years, the technology of using waste tires for slope protection has been explored to some extent. For example, some solutions fix semi-circular tires to the slope surface to form an interception platform, or connect tires into a mesh structure with steel wire ropes and anchor it to the slope. These technologies realize the resource utilization of waste tires and have certain soil stabilization and buffering effects. Therefore, this invention proposes a passive protection net for rock slopes using waste tires, combining the mechanical properties of waste tires with the needs of rock slope protection to develop a protection system that combines passive protection capabilities, ecological compatibility, and economy. Through innovative structural design, it achieves efficient utilization of waste tires while improving the protection effectiveness and ecological restoration effect of rock slopes. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a passive protection net for rock slopes that utilizes waste tires, which combines passive protection capability, ecological compatibility and economic efficiency.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a passive protection net for rock slopes using waste tires, comprising at least two liftable support steel columns, each including an upper rod and a lower rod. The upper rod is sleeved on the lower rod, and a zipper is installed between the upper and lower ends of the upper rod. A wire mesh is installed within the area enclosed by two adjacent upper rods and the two zippers, and the wire mesh is fixed to the zippers and the upper rod. Waste tires are placed on the wire mesh, with the waste tires positioned on the side of the wire mesh facing the slope. A base plate is provided at the lower end of the lower rod, and the base plate is embedded in a reinforced concrete foundation located at the bottom of the slope.

[0007] Preferably, the upper rod and the lower rod are connected and fixed by a movable pin.

[0008] Preferably, a reinforced concrete foundation dial is pre-embedded in the reinforced concrete foundation, the punch holes of the base plate are aligned with the punch holes of the reinforced concrete foundation dial, connecting bars are inserted, and concrete is poured to fix it.

[0009] Preferably, it also includes a support cable, one end of which is connected to the upper end of the upper rod, and the other end is fixed to the slope by an anchor bar.

[0010] Preferably, the upper end of the upper rod is provided with an upper rod top buckle (111), and the lower end is provided with an upper rod bottom buckle (112).

[0011] Preferably, the zipper is provided with a pressure-reducing ring.

[0012] Preferably, the support cable is provided with a pressure-reducing ring.

[0013] Preferably, the waste tire sidewall is fixed to the wire mesh by a connecting device.

[0014] Preferably, the old tire has a drainage hole at the bottom of the tire crown; a water-permeable sand-proof pad is arranged at the bottom of the waste tire, and a lightweight nutrient soil filler is laid on the water-permeable sand-proof pad, with grass seeds sown in the lightweight nutrient soil filler for planting green plants.

[0015] Preferably, the connecting device is a U-shaped clip or a galvanized steel wire rope.

[0016] This utility model provides a passive protection net for rock slopes using waste tires, which has the following beneficial effects: 1. Significantly improved structural flexibility and ease of maintenance. The telescopic support steel column consists of an upper and lower rod connected by a movable pin, allowing for rapid height adjustment by changing the pin. This adapts to different slope terrains without disassembling the entire structure. When rocks accumulate, simply remove the support cable, anchor bars, and pressure-reducing rings, and simultaneously raise the upper rod of the adjacent steel column to elevate the entire protective netting and clear the accumulated rocks. This solves the problems of large-scale disassembly and low maintenance efficiency associated with traditional protective netting. Furthermore, each protective unit can be independently adjusted, making it more adaptable to complex rock slopes.

[0017] 2. Passive protection and buffering capabilities are greatly enhanced. The system employs a composite structure consisting of retractable support steel columns, cables, wire mesh, and recycled tires. Pressure-reducing rings are spaced out on both the cables and support cables, forming a multi-stage buffer system. Upon impact from falling rocks, the elastic deformation of the recycled tires preferentially absorbs the initial impact energy. The pressure-reducing rings and cables further dissipate the remaining kinetic energy, and finally, the rigid boundary formed by the wire mesh and steel columns provides stable support. This effectively prevents structural damage caused by localized impacts, significantly improves the overall impact load resistance, and reduces the risk of failure due to excessive impact.

[0018] 3. Deep integration of ecological protection and resource recycling By fixing waste tires to the side of the slope facing the wire mesh, the resource utilization of "black pollution" is directly achieved, reducing the problems of waste tire accumulation occupying land and releasing toxic substances. At the same time, drainage holes are opened at the bottom of the waste tires, and permeable sand-insulating pads and lightweight nutrient soil are arranged in sequence. Green plants can be planted in the nutrient soil, which not only provides a stable growth environment for vegetation, but also improves the slope microenvironment through vegetation. This allows the protective structure to blend naturally with the surrounding landscape, taking into account both the engineering protection function and the ecological restoration needs of rock slopes. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a side view of the present invention. Figure 3 This is a structural schematic diagram of the liftable support steel column of this utility model; Figure 4 This is a schematic diagram of the reinforced concrete foundation of this utility model; Figure 5 This is a schematic diagram showing the connection between the base of this invention and the reinforced concrete foundation; Figure 6 This is a cross-sectional schematic diagram of the waste tire of this utility model. Detailed Implementation

[0020] like Figure 1-6As shown, a passive protection net for rock slopes using waste tires includes at least two liftable support steel columns 1. Each liftable support steel column 1 includes an upper rod 11 and a lower rod 12. The upper rod 11 is sleeved on the lower rod 12. Cable locks 3 are respectively installed between the upper and lower ends of the upper rod 11. A wire mesh 2 is installed in the area enclosed by two adjacent upper rods 11 and the two upper and lower cable locks 3, and the wire mesh 2 is fixed to the cable locks 3 and the upper rod 11. Waste tires 5 are installed on the wire mesh 2, with the waste tires 5 located on the side of the wire mesh 2 facing the slope 9. The lower end of the lower rod 12 is provided with a base plate 13, which is embedded in a reinforced concrete foundation 6. The reinforced concrete foundation 6 is located at the bottom of the slope 9.

[0021] Preferably, the upper rod 11 and the lower rod 12 are connected and fixed by a movable pin 14. By removing the movable pin, the upper rod can be raised or lowered to a certain height, and then connected and fixed by the movable pin, thus realizing the telescopic movement of the supporting steel column. Preferably, a reinforced concrete foundation plate 61 is pre-embedded within the reinforced concrete foundation 6. The punched holes of the base plate 13 are aligned with the punched holes of the reinforced concrete foundation plate 61, connecting bars 62 are inserted, and concrete is poured to fix it. Pre-embedding the reinforced concrete foundation plate within the reinforced concrete foundation, combined with the fixing method of connecting bars and secondary concrete pouring, strengthens the connection between the liftable support steel column and the foundation. This effectively prevents the steel column from loosening or shifting when impacted by falling rocks, improves the overall anti-tipping capacity of the protective net, reduces the risk of protective failure due to weak foundation connections, and ensures the stability of the structure under long-term impact loads.

[0022] Preferably, the system also includes a support cable 7, one end of which is connected to the upper end of the upper rod 11, and the other end is fixed to the slope 9 via an anchor bar 8. By connecting one end of the support cable to the upper end of the liftable support steel column and fixing the other end to the slope via the anchor bar, the system provides lateral tension to the upper end of the steel column. This can offset the lateral force on the steel column when it is impacted by falling rocks, reduce the tilting or bending deformation of the steel column, further enhance the overall structural stability of the protective net, improve its ability to withstand large impact loads, and make up for the shortcomings of traditional protective nets that are easily deformed by relying solely on the steel column for support.

[0023] Preferably, the upper rod 11 has an upper rod top buckle 111 at its upper end and an upper rod bottom buckle 112 at its lower end. The cable 3 passes through the upper rod top buckles 111 and bottom buckles 112 of two adjacent upper rods 11 to connect adjacent telescopic support steel columns 1. One end of the support cable 7 passes through the upper rod top buckle 111, and the other end is fixed to the slope 9 by the anchor bar 8. The upper rod top buckle at the upper end and the upper rod bottom buckle at the lower end of the upper rod of the telescopic support steel column provide clear and stable connection points for the cable and support cable, simplifying the installation process, preventing the cable from shifting or falling off during use, and ensuring uniform cable stress. It also facilitates disassembly or adjustment of the cable during later maintenance, improving construction and maintenance efficiency and ensuring the reliability of the cable connection.

[0024] Preferably, the zipper 3 is provided with a pressure-reducing ring 4. The pressure-reducing rings 4 on the zipper 3 can be symmetrically arranged on the zipper 3. By providing pressure-reducing rings on the cable, when falling rocks impact the wire mesh and transfer the load to the cable, the pressure-reducing rings can absorb part of the impact energy through their own deformation, reducing the instantaneous impact force on the cable, preventing the cable from breaking due to excessive load, extending the service life of the cable, improving the impact resistance of the cable, and improving the buffer system of the protective net.

[0025] Preferably, the support cable 7 is provided with a pressure-reducing ring 4. By providing a pressure-reducing ring on the support cable, when the support cable bears the impact load transmitted by the steel column, the pressure-reducing ring can further dissipate the remaining kinetic energy, reduce the peak stress on the support cable, prevent the support cable from breaking, enhance the buffering effect of the support cable, ensure the stable support of the support cable to the steel column, and further improve the overall impact resistance of the protective netting.

[0026] Preferably, the waste tire 5 is fixed to the wire mesh 2 by the connecting device 51, with the tire sidewall 57 of the waste tire 5 being fixed to the wire mesh 2.

[0027] Preferably, the waste tire 5 has drainage holes 55 at the bottom of the tire crown 56; a permeable sand-proof pad 54 is arranged at the bottom of the waste tire 5, and a lightweight nutrient soil filler 52 is laid on the permeable sand-proof pad 54. Grass seeds are sown in the lightweight nutrient soil filler 52 for planting green plants 53. The drainage holes at the bottom of the waste tire crown can prevent rainwater from accumulating inside the tire and causing the grass seeds to rot; the permeable sand-proof pad at the bottom can filter mud and sand and ensure smooth drainage; the laid lightweight nutrient soil filler provides sufficient nutrients for the growth of green plants, enabling the cultivation of green plants. This design allows the waste tire to function as both a "buffer carrier" and a "vegetation cultivation container," improving the slope microenvironment through green plants, allowing the protective structure to blend naturally with the surrounding landscape, and achieving simultaneous progress in engineering protection and ecological restoration.

[0028] Preferably, the connecting device 51 is a U-shaped clip or a galvanized steel wire rope. The U-shaped clip passes through the sidewall 57 of the waste tire 5 and is tied and fixed to the wire mesh 2.

[0029] Preferably, the lightweight nutrient soil filler 52 is composed of humus, river sand and organic fertilizer in a ratio of 3:1:1.

[0030] Preferably, the green plant 53 is at least one of Amorpha fruticosa, Bermuda grass, or tall fescue.

[0031] Preferably, the waste tires have the following dimensions and specifications: the cross-sectional width H of the waste tires is 100mm~350mm, and the outer diameter is D=500mm~1000mm. The required dimensions and specifications of the waste tires are determined by the weathering degree of the rock mass of the passive protection net unit for the rock slope using the waste tires, as well as the size and scale of the falling rocks.

[0032] When the accumulated rocks affect the protective effect, remove the support cables, anchor bars, and pressure relief rings on the support cables. Pull out the movable pins of the liftable support steel columns and simultaneously raise the upper poles of the adjacent steel columns to increase the overall height of the protective net and expose the accumulated rocks. After the cleanup is completed, lower the upper poles and insert the movable pins to fix them. Reinstall the support cables, anchor bars, and pressure relief rings to restore the protective function.

[0033] This utility model mainly consists of liftable support steel columns, wire mesh, cables, pressure-reducing rings, waste tires, reinforced concrete foundations, support cables, and anchor bars. The upper and lower rods of the liftable support steel columns are connected by movable pins to achieve height adjustment. After the lower rod base is aligned with the dial embedded in the reinforced concrete foundation at the bottom of the slope, connecting bars are inserted and concrete is poured for fixation. After multiple steel columns are fixed at preset intervals, cables pass through the top and bottom of the upper rods of the steel columns and are connected to adjacent steel columns with buckles, and pressure-reducing rings are arranged at intervals. The wire mesh is stretched in the area enclosed by the steel columns and cables. Waste tires are secured using U-shaped clips or galvanized steel... The wire rope is fixed to the side of the wire mesh facing the slope. Drainage holes are opened at the bottom of the tire crown. The inside is arranged with permeable sand-proof pads and lightweight nutrient soil filler, and green plants can be planted in the nutrient soil. One end of the support cable is connected to the top of the steel column, and the other end is fixed to the slope with anchor bars and pressure-reducing rings. This protective net can not only easily clear fallen rocks by adjusting the height of the steel column, but also improve the impact resistance by using the multi-level buffer of "waste tire-pressure-reducing ring-cable-support cable". It can also realize the resource utilization of waste tires and complete the ecological restoration of the slope through the green plants inside the tires. The overall structure is stable and suitable for complex rock slopes.

[0034] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A passive protection net for rock slopes utilizing waste tires, characterized in that: It includes at least two liftable support steel columns (1), each liftable support steel column (1) includes an upper rod (11) and a lower rod (12). The upper rod (11) is sleeved on the lower rod (12). A zipper (3) is installed between the upper and lower ends of the upper rod (11). A wire mesh (2) is installed in the area enclosed by two adjacent upper rods (11) and the two zippers (3). The wire mesh (2) is fixed to the zipper (3) and the upper rod (11). A waste tire (5) is installed on the wire mesh (2). The waste tire (5) is installed on the side of the wire mesh (2) facing the slope (9). The lower end of the lower rod (12) is provided with a base plate (13). The base plate (13) is embedded in a reinforced concrete foundation (6). The reinforced concrete foundation (6) is located at the bottom of the slope (9).

2. The passive protection net for rock slopes using waste tires as described in claim 1, characterized in that: The upper rod (11) and the lower rod (12) are connected and fixed by a movable pin (14).

3. The passive protection net for rock slopes using waste tires as described in claim 1, characterized in that: A reinforced concrete foundation dial (61) is pre-embedded in the reinforced concrete foundation (6). The punch holes of the base plate (13) are aligned with the punch holes of the reinforced concrete foundation dial (61), connecting bars (62) are inserted, and concrete is poured to fix it.

4. The passive protection net for rock slopes using waste tires as described in claim 1, characterized in that: It also includes a support cable (7), one end of which is connected to the upper end of the upper rod (11), and the other end is fixed to the slope (9) by an anchor bar (8).

5. The passive protection net for rock slopes using waste tires as described in claim 4, characterized in that: The upper end of the upper rod (11) is provided with an upper rod top buckle (111), and the lower end is provided with an upper rod bottom buckle (112).

6. The passive protection net for rock slopes using waste tires as described in claim 1, characterized in that: The zipper (3) is provided with a pressure relief ring (4).

7. The passive protection net for rock slopes using waste tires as described in claim 4, characterized in that: The support cable (7) is provided with a pressure relief ring (4).

8. The passive protection net for rock slopes using waste tires as described in claim 1, characterized in that: The waste tire (5) is fixed to the wire mesh (2) by the connecting device (51) with the sidewall (57) of the waste tire (5).

9. A passive protection net for rock slopes using waste tires as described in claim 8, characterized in that: The old tire (5) has a drainage hole (55) at the bottom of the tire crown (56); a water-permeable sand-proof pad (54) is arranged at the bottom of the waste tire (5), and a lightweight nutrient soil filler (52) is laid on the water-permeable sand-proof pad (54). Grass seeds are sown in the lightweight nutrient soil filler (52) for planting green plants (53).

10. A passive protection net for rock slopes using waste tires as described in claim 8, characterized in that: The connecting device (51) is a U-shaped clip or a galvanized steel wire rope.

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