Supporting device for preventing landslide

Abstract

The utility model discloses a supporting device for preventing landslide. The supporting device comprises a roadbed, a cement retaining wall, an inclined supporting rod, a cement slope surface and a protective net. The inclined supporting rods form a composite supporting structure through the reinforcing ribs and the transverse reinforcing rods, an arc-shaped drainage channel is arranged at the bottom of the cement slope to efficiently drain water, and the slope anchor piles and the protective net are combined to form a flexible protective system. The device has the advantages of being high in pressure resistance, efficient in drainage and convenient and fast to construct, the slope stability is remarkably improved, and the device is suitable for mountainous geological disaster prevention and control.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of slope protection, specifically to a support device for preventing mountain landslide. BACKGROUND

[0002] Mountain landslide is a common natural disaster, mainly caused by loose geological structure, rain erosion or external vibration factors. In the prior art, common protection measures include retaining wall, anchor rod reinforcement, protective net, etc., but there are still the following problems: 1. Poor drainage performance: the traditional retaining wall lacks efficient drainage structure, which is easy to cause soil softening due to water accumulation, reduces the anti-skid ability, and at the same time, the stability of the supporting wall is also seriously affected after the soil softening. 2. Poor structural stability: the supporting components such as inclined struts are easy to bend or break due to uneven stress, and the anchoring system lacks multiple reinforcement design. SUMMARY

[0003] (I) Technical problem solved

[0004] In view of the deficiencies of the prior art, the utility model provides a support device for preventing mountain landslide, which solves the problems of poor drainage performance of the support structure and poor stability of the support structure in the prior art.

[0005] (II) Technical scheme

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a support device for preventing mountain landslide, comprising a slope body and a roadbed, the top of the roadbed is provided with a cement retaining wall, the side of the retaining wall close to the slope body is provided with a side baffle, the other side of the top is provided with a support seat, and the side baffle and the support seat are connected through an inclined strut.

[0007] The middle part of the inclined strut is sleeved with a reinforcing rib, and the reinforcing ribs are connected through a transverse reinforcing rod to form a longitudinal and transverse cross support structure.

[0008] The bottom of the slope body close to the cement retaining wall is provided with a cement slope surface, and the bottom of the slope surface forms an arc-shaped drainage channel for guiding the rapid drainage of accumulated water.

[0009] A first cement anchor pile is arranged on the cement slope surface, the anchor pile is partially embedded in the slope body, and is connected with the side baffle through an anchor rod.

[0010] A plurality of second cement anchor piles are arranged on the surface of the slope body, a fixed cable is arranged on the anchor pile, the fixed cables are interwoven through longitudinal chains and transverse chains to form a grid, and a protective net is arranged in the grid.

[0011] As a further optimization, the anchor rod comprises a bare support part and a buried anchor part, a diameter-increased head is arranged at the end of the anchor part to enhance the anchoring force.

[0012] As a further preferred, the cement retaining wall top is provided with a reinforcing pier, the pier body extends to form a abutting part on both sides, and is fixed with the retaining wall and the side baffle through fixing bolts, thereby improving the overall rigidity.

[0013] As a further preferred, a guardrail is further included, and the guardrail is located at the front end of the cement retaining wall, and a plurality of groups of rotatable anti-collision tubes are arranged on the guardrail.

[0014] As a further preferred, gaps are reserved between adjacent side baffles, and dustproof nets are filled in the gaps to prevent debris accumulation from blocking the drainage channels.

[0015] (Three) beneficial effects

[0016] The utility model provides a support device for preventing mountain landslide. Have the following beneficial effects:

[0017] The support device for preventing mountain landslide pours cement slope surface in the slope body, thereby hardening the bottom soil layer of the slope body, on the one hand, the stability of the cement retaining wall can be enhanced, on the other hand, surface water and groundwater can be effectively dredged, and soil erosion can be reduced, the inclined strut rod forms a composite support structure through the reinforcing rib and the transverse reinforcing rod, the compression resistance is improved by more than 30%, the protection net, the anchor pile and the fixed cable form a flexible protection system, can adapt to the slight displacement of the slope body, and impact force can be buffered. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is whole structure schematic diagram of the utility model;

[0019] Fig. 2 It is partial enlarged view of the reinforcing structure of the inclined strut rod of the utility model;

[0020] Fig. 3 It is enlarged view of structure at A of the utility model.

[0021] In the drawing: 1-slope body;2-subgrade;3-cement retaining wall;4-side baffle;5-support seat;6-inclined strut rod;7-reinforcing rib;8-transverse reinforcing rod;9-cement slope surface;91-drainage channel;10-first cement anchor pile;11-anchor rod;110-supporting part;111-anchoring part;12-second cement anchor pile;13-fixed cable;14-longitudinal chain;15-transverse chain;16-protection net;17-reinforcing pier;18-abutting part;19-fixing bolt;20-guardrail;21-anti-collision tube;22-dustproof net. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] As shown in Figs. 1-3 The utility model provides a kind of technical scheme: a kind of support device to prevent mountain landslide, including slope 1 and roadbed 2, the top of roadbed 2 is provided with cement retaining wall 3, cement retaining wall 3 is provided with side baffle 4 close to the position of slope 1, gap is reserved between side baffle 4, the gap is filled by dust screen 22, cement retaining wall 3 top is provided with support seat 5 on the side away from side baffle 4, it is provided with inclined bracing 6 between side baffle 4 and support seat 5.

[0024] The middle part of inclined bracing 6 is sleeved with reinforcing rib 7, reinforcing rib 7 is connected by transverse reinforcing rod 8, and longitudinal and transverse cross support structure is formed.

[0025] The bottom of slope 1 is provided with cement slope surface 9 close to the position of cement retaining wall 3, and the bottom of the cement slope surface 9 forms an arc-shaped drainage channel 91 for guiding the rapid drainage of accumulated water.

[0026] First cement anchor pile 10 is provided on cement slope surface 9, and first cement anchor pile 10 extends partially into the interior of slope 1, anchor rod 11 is provided between first cement anchor pile 10 and side baffle 4, anchor rod 11 includes support part 110 exposed outside and anchoring part 111 located underground.

[0027] The top of cement retaining wall 3 is provided with reinforcing pier 17, and the two sides of reinforcing pier 17 extend to form abutting portion 18, respectively, and abutting portion 18 is fixed with cement retaining wall 3 and side baffle 4 by fixing bolt 19, respectively, and the overall rigidity is improved by fixing the bolt with the retaining wall and the side baffle.

[0028] The surface of slope 1 is provided with a plurality of second cement anchor piles 12, and the second cement anchor piles 12 extend partially into the interior of slope 1, and the second cement anchor piles 12 are provided with fixing cable 13, and the fixing cable 13 is interwoven to form a grid by longitudinal chain 14 and transverse chain 15, and the grid is provided with protective net 16.

[0029] It also includes guardrail 20, which is located at the front end of cement retaining wall 3, and a plurality of rotatable anti-collision tubes 21 are provided on guardrail 20, passing vehicles and cement retaining wall 3 are separated by guardrail 20, and the impact absorbing capacity is absorbed by rotating anti-collision tube 21, reducing the damage of both sides.

[0030] The contents not described in detail in the specification are all the prior art known to the person skilled in the art.

[0031] The installation is implemented in the following steps: foundation construction: pouring a cement retaining wall 3 on the top of the roadbed 2, embedding a side baffle 4 on one side of the cement retaining wall 3 close to the slope body 1, and arranging a support seat 5 on the other side of the cement retaining wall 3.

[0032] Inclined support rod installation: connecting the two ends of the inclined support rod 6 with the side baffle 4 and the support seat 5 respectively, sleeving the reinforcing rib 7 in the middle, and welding and fixing through the transverse reinforcing rod 8 to form a longitudinal and transverse cross support structure, thereby greatly improving the compression resistance of the side baffle 4.

[0033] Drainage system construction: pouring a cement slope surface 9 (with a thickness not less than 10 cm) at the bottom of the slope body 1, reserving an arc-shaped drainage channel 91 at the bottom of the slope surface, and ensuring smooth drainage with a channel slope ≥ 5°. This can harden the slope bottom to prevent rainwater from gathering on the slope bottom and eroding the soil at the bottom, which ultimately affects the stability of the cement retaining wall 3.

[0034] Anchor system arrangement: the first cement anchor pile 10 is embedded in the slope body 1, the anchoring part 111 of the anchor rod 11 penetrates into the stable stratum, and the support part 110 is bolted with the side baffle 4. By arranging the anchor rod 11 in the opposite direction, the stability of the side baffle 4 can be further improved. At the same time, the anchor rod 11 penetrates into the ground, which is reliable.

[0035] Protective net installation: the second cement anchor pile 12 is distributed in the slope body 1 in a grid manner, the fixing cable 13 penetrates into the ground through the second cement anchor pile 12 to avoid being blown away by strong winds, and the longitudinal lock chain 14 and the transverse lock chain 15 are connected into a net, and finally the protective net 16 is laid and fixed to form a flexible protection system to prevent rockfall.

[0036] The effect of the embodiment: after the device is used in a mountainous area, the landslide rate is reduced by 90% in the rainy season, the inclined support rod does not deform, the drainage channel is not blocked, and the protective net effectively intercepts rockfall.

[0037] In summary, the support device for preventing landslides can harden the soil layer at the bottom of the slope body by pouring a cement slope surface on the slope body, which can enhance the stability of the cement retaining wall on the one hand and effectively dredge surface water and groundwater on the other hand to reduce soil erosion. The inclined support rod forms a composite support structure through the reinforcing rib and the transverse reinforcing rod, which improves the compression resistance by more than 30%. The protective net, anchor pile and fixing cable form a flexible protection system that can adapt to small displacement of the slope body and buffer impact force.

[0038] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A support device for preventing landslides, characterized in that: It includes a slope (1) and a roadbed (2). A cement retaining wall (3) is installed on the top of the roadbed (2). A side baffle (4) is installed on the cement retaining wall (3) near the slope (1). A support seat (5) is installed on the top of the cement retaining wall (3) away from the side baffle (4). A diagonal brace (6) is installed between the side baffle (4) and the support seat (5). A reinforcing rib (7) is sleeved in the middle of the diagonal brace (6), and the reinforcing ribs (7) are connected by a transverse reinforcing rod (8); A cement slope (9) is provided at the bottom of the slope (1) near the cement retaining wall (3), and an arc-shaped drainage channel (91) is formed at the bottom of the cement slope (9). A first cement anchor pile (10) is provided on the cement slope (9). The first cement anchor pile (10) extends into the interior of the slope (1). An anchor rod (11) is provided between the first cement anchor pile (10) and the side baffle (4). Multiple sets of second cement anchor piles (12) are provided on the surface of the slope (1). The second cement anchor piles (12) extend into the interior of the slope (1). Fixing cables (13) are provided on the second cement anchor piles (12). Longitudinal chains (14) and transverse chains (15) are connected between the fixing cables (13). A protective net (16) is installed between the longitudinal chains (14) and the transverse chains (15).

2. The support device for preventing landslides according to claim 1, characterized in that: The anchor (11) includes an exposed support part (110) and an underground anchoring part (111).

3. The support device for preventing landslides according to claim 1, characterized in that: The top of the cement retaining wall (3) is provided with a reinforcing pier (17), and the two sides of the reinforcing pier (17) extend to form abutment parts (18), which are fixed to the cement retaining wall (3) and the side baffle (4) respectively by fixing bolts (19).

4. The support device for preventing landslides according to claim 1, characterized in that: It also includes a guardrail (20), which is located at the front end of the cement retaining wall (3), and the guardrail (20) is equipped with multiple sets of rotatable anti-collision cylinders (21).

5. The support device for preventing landslides according to claim 1, characterized in that: A gap is reserved between the side baffles (4), which is filled by a dustproof net (22).

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