CN216664174U

CN216664174U - Thick slip mass stratum stability combined reinforcing structure

Info

Publication number: CN216664174U
Application number: CN202122834937.7U
Authority: CN
Inventors: 刘明; 奚弟军; 钟水平; 王传飞; 江明古
Original assignee: China Communication South Road and Bridge Co Ltd
Current assignee: China Communication South Road and Bridge Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-03
Anticipated expiration: 2031-11-19

Abstract

The utility model is suitable for the technical field of landslide reinforcement engineering, and particularly relates to a thick landslide body stratum stability combined reinforcing structure which comprises a stable soil layer and an under-stabilized soil layer, wherein a sliding interface is formed at the boundary of the stable soil layer and the under-stabilized soil layer, a slope platform is arranged on the upper surface of the stable soil layer, an anchoring pipe pile is arranged downwards from the slope platform and extends into the under-stabilized soil layer, an anchoring tie bar is arranged inside the anchoring pipe pile, a pipe bottom anchor plate is arranged at the bottom end of the anchoring pipe pile, one side of the pipe bottom anchor plate is welded with the anchoring pipe pile, the other side of the pipe bottom anchor plate is connected with the anchoring tie bar, and a slurry permeation hole is formed in the part, corresponding to the sliding interface, of the pipe wall of the anchoring pipe pile; according to the utility model, the anchoring pipe piles are arranged from the slope platform to the stable soil layer, the anchoring pull ribs are arranged in the anchoring pipe piles, pipe cavity grouting bodies are formed in the pipe cavities, and interface grouting bodies are formed at the sliding interface parts, so that the rigidity and the deformation resistance of the anchoring pipe piles can be effectively improved.

Description

Thick slip mass stratum stability combined reinforcing structure

Technical Field

The utility model relates to the technical field of landslide reinforcement engineering, in particular to a combined reinforcing structure for the stratum stability of a thick landslide body.

Background

Landslides are distributed in a large number in mountainous areas of China, when road engineering construction is carried out, the stability of the landslides is low, construction engineering or personnel and property safety can be endangered, when the landslides are thick landslide body strata, the landslides are limited by construction machinery and construction environments, and the problems of low slope soil body stability, low field construction efficiency, poor slope greening effect and the like exist in the construction process.

The existing thick landslide body stratum stability reinforcing structure in the prior art comprises a plurality of long anti-slide piles arranged at intervals, wherein each long anti-slide pile is provided with a short anti-slide pile along at least one side of the landslide body in the transverse direction, a connecting cross beam is arranged between the long anti-slide pile and the corresponding short anti-slide pile, one end of the connecting cross beam is connected to the top end of the short anti-slide pile, the other end of the connecting cross beam is connected to the pile body of the long anti-slide pile, the top end of the short anti-slide pile is higher than the sliding surface of the short anti-slide pile at the arrangement position, and the pile well of the long anti-slide pile is used as a construction channel of the short anti-slide pile.

In view of this, in order to improve the construction quality and efficiency of the landslide stability enhancement structure, the utility model of the thick landslide mass stratum stability combined enhancement structure capable of enhancing the stability of the side slope soil mass, improving the field construction efficiency and improving the side slope greening effect is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined reinforcing structure for the stratum stability of a thick landslide body, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

thick landslide body stratum stability combination reinforcing structure, including stablizing soil layer and oweing stablize soil layer, stablize soil layer and owe stablize soil layer's boundary department and form a sliding interface, stablize soil layer upper surface and be equipped with domatic platform, be equipped with the anchor tubular pile downwards from domatic platform, the anchor tubular pile extends to owe stablize soil layer inside, the inside anchor lacing wire that sets up of anchor tubular pile, anchor tubular pile's bottom is equipped with tube-end anchor plate, one side and the anchor tubular pile welded connection of tube-end anchor plate, and the opposite side and the solid lacing wire of tube-end anchor plate are linked, the upper end of anchor lacing wire is equipped with the lacing wire ground tackle, and the outside of lacing wire ground tackle is equipped with the ground tackle obturator, domatic platform surface is equipped with bears down a frame roof beam, the pipe wall and the corresponding position of sliding interface of anchor tubular pile set up the thick liquid infiltration hole.

Further: the bottom surface of the coping frame beam is provided with a guide sleeve, and the guide sleeve is connected with the anchoring pipe pile.

Further: the anchorage device closing body adopts a rubber plate or waterproof mortar.

Further: the lacing wire anchorage device comprises an anchorage device and a clamping piece, and is matched with the anchoring lacing wire.

Further: the top pressing frame beam comprises a plurality of transverse frame beams and a longitudinal frame beam, the transverse frame beams and the longitudinal frame beam are prefabricated in a segmented mode, and a pressure diffusion plate is arranged at the joint of the longitudinal frame beam and the transverse frame beam.

Further: the pressure diffusion plate is provided with a lacing wire penetrating hole, and the lacing wire penetrating hole is connected with the lacing wire anchorage in an attaching mode.

Further: and the joint of the longitudinal frame beams is provided with a section connecting tenon, and the coping frame beams are connected with the under-stabilized soil layer through frame beam anchor bars.

Further: the transverse frame beam and the longitudinal frame beam enclose a rectangular sash formed by enclosing, and a lattice greening body is arranged in the rectangular sash.

Further: the grid greening body adopts planting concrete or planting soil.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the anchoring pipe piles are arranged from the slope platform to the stable soil layer, the anchoring pull ribs are arranged in the anchoring pipe piles, pipe cavity grouting bodies are formed in the pipe cavities, and interface grouting bodies are formed at the sliding interface parts, so that the rigidity and the deformation resistance of the anchoring pipe piles can be effectively improved.

(2) According to the utility model, the top pressing frame beam is arranged on the slope platform, and the pressure diffusion plate is arranged in the top pressing frame beam, so that the anchoring support can be provided for the anchoring tie bar while the unstable soil layer is stabilized by weight, and the integrity of the stability enhancing structure is further improved.

(3) The utility model arranges the grid greening body in the rectangular grid formed by enclosing the transverse frame beam and the longitudinal frame beam, which can green the slope surface and improve the greening effect of the slope.

Drawings

FIG. 1 is a schematic view of a thick slip mass formation stability combination enhancement structure of the present invention;

fig. 2 is a schematic view of the structure of the capping frame beam of fig. 1.

In the figure: 1-stabilizing the soil layer; 2-less stable soil layer; 3-a sliding interface; 4-slope platform; 5, anchoring the tubular pile; 6-anchoring tie bars; 7-pressing the frame beam; 8-guiding the sleeve; 9-lumen grouting; 10-interfacial slip casting; 11-a lacing wire anchorage device; 12-an anchor enclosure; 13-transverse frame beam; 14-longitudinal frame beams; 15-zone lattice greening body; 16-a pipe bottom anchor plate; 17-slurry penetration holes; 18-a pressure diffuser plate; 19-the lacing wire penetrates through the hole; 20-section connecting falcon; and 21-frame beam anchor bars.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

In this embodiment, please refer to fig. 1, a thick landslide body stratum stability combined reinforcing structure includes a stabilized soil layer 1 and an under-stabilized soil layer 21, a sliding interface 3 is formed at a boundary between the stabilized soil layer 1 and the under-stabilized soil layer 21, a slope platform 4 is disposed on an upper surface of the stabilized soil layer 1, an anchor pipe pile 5 is disposed downward from the slope platform 4, the anchor pipe pile 5 extends into the under-stabilized soil layer 21, an anchor tie bar 6 is disposed inside the anchor pipe pile 5, a pipe bottom anchor plate 16 is disposed at a bottom end of the anchor pipe pile 5, one side of the pipe bottom anchor plate 16 is welded to the anchor pipe 5, the other side of the pipe bottom anchor plate 16 is linked to the anchor tie bar 6, a tie bar anchor 11 is disposed at an upper end of the anchor tie bar 6, an anchor closing body 12 is disposed at an outer side of the tie bar anchor 11, a top pressing frame beam 7 is disposed on a surface of the slope platform 4, a guide sleeve 8 is disposed on a bottom surface of the top pressing frame beam 7, the guide sleeve 8 is connected with the anchoring pipe pile 5, and a slurry penetration hole 17 is formed in the part, corresponding to the sliding interface 3, of the pipe wall of the anchoring pipe pile 5.

In this embodiment, when grouting, the device connects the anchor pipe pile 5 with the guide sleeve 8 on the bottom surface of the coping frame beam 7, then grouting into the anchor pipe pile 5 to form a pipe cavity grouting body 9 in the pipe cavity, the grouting body flows to the bottom along the anchor pipe pile 5, when the height of the grouting body reaches the sliding interface 3, the grouting body flows to the outside of the anchor pipe pile 5 through the grout penetration hole 17, so as to form an interface grouting body 10 at the sliding interface 3, in addition, an external device can be used to apply a fastening tension to the anchor tie bar 6, the anchor tie bar 6 is firmly connected with the coping frame beam 7 through the tie bar anchorage device 11, then the anchor pipe pile 5 is sealed through the anchorage device closing body 12, the anchor tie bar 6 is arranged in the anchor pipe pile 5, and the interface grouting body 10 is formed at the pipe cavity grouting body 9 and the sliding interface 3, the rigidity and the anti-deformation capability of the anchoring pipe pile 5 are effectively improved, in addition, the transverse frame beam 13 adopts a rubber plate or waterproof mortar, the anchorage device closing body 12 adopts a rubber plate or waterproof mortar, wherein the stabilized soil layer 1 is cohesive soil in a hard plastic state, the under-stabilized soil layer 21 is a slope deposition soil layer, the width of a slope platform 4 is 2.5m, the anchoring pipe pile 5 is formed by rolling a steel pipe with the diameter of 130mm, the anchoring tie bar 6 is formed by rolling a twisted steel bar with the diameter of 25mm, the anchor plate 16 at the bottom of the pipe is formed by rolling a steel plate with the thickness of 10mm, the diameter of a slurry penetration hole 17 is 30mm, the coping frame beam 7 is prefabricated by a concrete material with the strength grade of C30, the width of the coping frame beam is 20cm, the guide sleeve 8 is formed by rolling a steel pipe with the inner diameter of 150mm, the pipe cavity grouting body 9 and the interface grouting body 10 are both formed by concrete with the strength grade of C35, and the tie bar anchorage device 11 comprises an anchorage device and a clamping piece which are matched with the anchoring tie bar 6.

In another embodiment, referring to fig. 2, the jacking frame beams 7 include a plurality of transverse frame beams 13 and longitudinal frame beams 14, the transverse frame beams 13 and the longitudinal frame beams 14 are prefabricated in a segmented manner, a pressure diffusion plate 18 is arranged at the joint of the longitudinal frame beams 14 and the transverse frame beams 13, segment connecting tenons 20 are arranged at the joint of the longitudinal frame beams 14, the jacking frame beams 7 are connected with an under-stabilized soil layer 21 through frame beam anchor bars 21, tie bar through holes 19 are arranged on the pressure diffusion plate 18, and the tie bar through holes 19 are in fit connection with the tie bar anchors 11.

In this embodiment, the vertical frame roof beam 14 of this device is equipped with pressure diffuser plate 18 with horizontal frame roof beam 13 department of meeting mutually, can be when ballast is stablized to lack stable soil layer 21 through setting up of pressure diffuser plate 18, for anchor lacing wire 6 provides the anchor and supports, further promote stability enhancement structure's wholeness, wherein pressure diffuser plate 18 adopts 10 mm's steel sheet rolling to form, the aperture of lacing wire wear to establish hole 19 is 50mm, the width that falcon 20 was connected to the festival section is 10cm, frame roof beam anchor 21 adopts the diameter to form for 32 mm's screw thread ribbed steel bar is rolling.

In another embodiment, referring to fig. 2, the transverse frame beams 13 and the longitudinal frame beams 14 enclose a rectangular frame, and a cellular greening body 15 is arranged in the rectangular frame, wherein the cellular greening body 15 is made of planting concrete or planting soil.

In this embodiment, the device is provided with a cellular greening body 15 in a rectangular lattice formed by enclosing the transverse frame beam 13 and the longitudinal frame beam 14, which can perform the function of greening the slope surface and improve the greening effect of the slope.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The combined reinforcing structure for the stratum stability of the thick landslide body comprises a stable soil layer and an under-stable soil layer; its characterized in that, stablize soil layer and the boundary department of oweing stablizing soil layer and form a sliding interface, stablize the soil layer upper surface and be equipped with domatic platform, be equipped with the anchor tubular pile downwards from domatic platform, the anchor tubular pile extends to owe stablizes soil layer inside, the inside anchor lacing wire that sets up of anchor tubular pile, the bottom of anchor tubular pile is equipped with socle anchor plate, one side and anchor tubular pile welded connection of socle anchor plate, the opposite side and the solid lacing wire of socle anchor plate are linked, the upper end of anchor lacing wire is equipped with the lacing wire ground tackle, and the outside of lacing wire ground tackle is equipped with the ground tackle obturator, domatic platform surface is equipped with bears down a frame roof beam, the pipe wall of anchor tubular pile sets up the thick liquid infiltration hole with the corresponding position of sliding interface.

2. The combination reinforcing structure for stratum stability of thick landslide body of claim 1, wherein said coping beam bottom surface is provided with a guiding sleeve, said guiding sleeve is connected with an anchoring pipe pile.

3. The combination enhanced structure for stratum stability of thick landslide body of claim 1, wherein said anchor enclosure is made of rubber sheet or waterproof mortar.

4. The combination enhanced structure for stratum stability of thick landslide body of claim 1, wherein said tie bar anchorage comprises an anchorage and a clip, matching an anchoring tie bar.

5. The combination enhancement structure for the stratigraphic stability of a thick landslide body of claim 1 wherein the coping beams comprise a plurality of transverse beams and longitudinal beams, the transverse beams and the longitudinal beams are prefabricated in sections, and a pressure diffusion plate is arranged at the joint of the longitudinal beams and the transverse beams.

6. The combination enhancement structure for stratum stability of thick landslide body of claim 5, wherein said pressure diffuser plate is provided with lacing wire through holes, said lacing wire through holes are in fit connection with lacing wire anchors.

7. The combined structure for enhancing the stratum stability of the thick landslide body according to claim 5, wherein a section connecting tenon is arranged at the joint of the longitudinal frame beams, and the coping frame beams are connected with the under-stabilized soil layer through frame beam anchor bars.

8. The combination enhancement structure for the stratum stability of the thick landslide body according to claim 5, wherein the transverse frame beams and the longitudinal frame beams enclose a rectangular frame lattice, and a cell greening body is arranged in the rectangular frame lattice.

9. The combined structure for enhancing the stratum stability of a thick landslide body of claim 8, wherein said cellular greening body is made of planting concrete or planting soil.