CN218933093U - In-hole anchoring structure resisting cis-layer bias - Google Patents
In-hole anchoring structure resisting cis-layer bias Download PDFInfo
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- CN218933093U CN218933093U CN202222683126.6U CN202222683126U CN218933093U CN 218933093 U CN218933093 U CN 218933093U CN 202222683126 U CN202222683126 U CN 202222683126U CN 218933093 U CN218933093 U CN 218933093U
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Abstract
The utility model provides an in-tunnel anchoring structure resisting bedding bias, and relates to the technical field of tunnel bias treatment and anchoring. The anchor structure in the tunnel of this anti-bedding bias voltage, including bedding rock body, the tunnel, firm anchor rope and leading water pipe, lean on bedding rock body mountain side to implement and strengthen stock and firm anchor rope, the anchor section all needs to pass through potential sliding surface more than 5m, lean on bedding rock body mountain side to need suitably dig more, after firm anchor rope accomplishes the slip casting, intensity reaches more than 70%, stretch-draw to the firm anchor rope and lock behind 70% of design anchoring force, lining and protect the roof beam and adopt reinforced concrete etc. material to carry out the permanent support to the tunnel, consolidate stock and anchor rope and all throw into in bedding rock body and the diving slip after lining and protecting the roof beam drilling, increase and draw the anchor stock on the diving slip body, consolidate the diving slip body, through leading water pipe and water absorption cover, can carry out the dismantlement to the unnecessary moisture of diving slip body, discharge through the outlet pipe, make it be difficult for causing the landslide because of the water.
Description
Technical Field
The utility model relates to the technical field of tunnel bias treatment and anchoring, in particular to an in-tunnel anchoring structure resisting a cis-layer bias.
Background
The damage to the surface vegetation, structures and ecological environment is large in engineering construction, particularly in the areas such as famous and precious vegetation, scenic spots and the like, the surface engineering treatment measures can cause serious damage to the humane environment, and related departments can strictly forbid the surface treatment of the slope, so that the engineering construction is stopped or rerouted around and the like, and the engineering progress is seriously influenced and the engineering investment is increased.
Aiming at the bedding bias section of the hole, if the bedding bias section is not treated, the bedding instability damage is caused, so that the main treatment scheme at present adopts the means of surface anti-slide piles, anchor cables, clearing parties and the like, and the situation that the slope above the hole is provided with precious vegetation, scenic spots and the like is considered, if the slope body can be treated from the hole, the damage to the precious vegetation, scenic spots and the like on the slope above the hole can be avoided.
Disclosure of Invention
The utility model aims to provide an in-hole anchoring structure resisting bedding bias, and the main treatment scheme at present is means of earth surface anti-slide piles, anchor cables, clear parties and the like, and the problem that precious vegetation, scenic spots and the like are damaged on a slope above an opening is avoided if the slope body is treated from the inside of the hole.
The present utility model provides an in-hole anchor structure resistant to compliant layer bias, comprising:
a bedding rock mass, wherein a submerged sliding body is buried above the bedding rock mass;
the inner cavity of the tunnel is provided with a protection beam, one side of the protection beam is provided with a through groove in a penetrating mode, and the tunnel is arranged on the surface of the bedding rock body;
the stable anchor cable penetrates through the surfaces of the bedding rock mass and the submerged sliding body;
the outer surface of the water diversion pipe is sleeved with a water absorption sleeve, and the water diversion pipe is arranged in the depth of soil of the submerged sliding body.
In a specific embodiment, a lining is erected on the inner surface of the inner cavity of the tunnel and positioned on the protection beam, and a filling layer is paved at the bottom of the lining inner cavity.
In a specific embodiment, the inner cavity of the tunnel is provided with a road.
In a specific embodiment, the left side and the right side of the bottom of the protection beam are provided with reinforcing anchor rods, the bottom of the protection beam is provided with anchoring ropes, and the number of the reinforcing anchor rods and the number of the anchoring ropes are all a plurality of.
In a specific embodiment, the surface of the protection beam is penetrated and provided with reinforced anchor rods, one ends of the reinforced anchor rods penetrate to the surface of the submerged sliding body, and the number of the reinforced anchor rods is a plurality.
In a specific embodiment, one end of each stable anchor cable is connected with an anchor, the number of the stable anchor cables is a plurality of groups, the longitudinal spacing of the stable anchor cables is 2m, the stable anchor cables are vertically arranged in 5 rows, the spacing is 0.7-1.1 m, and the inclination angle is 0-11 degrees.
In a specific embodiment, the surface of the submerged sliding body is provided with a plurality of guiding and fixing anchor rods in a penetrating mode, the surface of the guiding and fixing anchor rods is sleeved with a plurality of reinforcing blocks, the guiding and fixing anchor rods are arranged in the deep soil of the submerged sliding body, and the bottom end fastening sections of the guiding and fixing anchor rods are embedded into the bedding rock body to be not lower than 10m.
In a specific embodiment, the number of the water diversion pipes is a plurality, a plurality of supporting disks are arranged on the outer surface of the water diversion pipe in a distributed mode, and water diversion holes are arranged on the outer surface of the water diversion pipe in a sleeved mode.
In a specific embodiment, one end of the water conduit is communicated with a conveying pipe, the inner cavity of the through groove is provided with a drain pipe, and the outer surface of the drain pipe is provided with an outer sheath.
In a specific embodiment, the inner cavity of the drain pipe is provided with a protecting pipe fitting for reinforcement, the surface of the outer sheath is embedded and provided with an inner protecting seat for reinforcement, and the front section of the drain pipe is communicated with a water outlet pipe.
When the in-tunnel anchoring structure resisting the bedding bias is used, firstly, the stable anchor cable is installed, after lining and protecting beams are built into a tunnel, excavation, anchoring and primary support are carried out every 5m of a cycle, and aiming at anchoring measures: the anchor rod and the stable anchor cable are reinforced by the mountain side of the bedding rock body, the anchoring section needs to pass through a potential sliding surface for more than 5m, the mountain side of the bedding rock body needs to be properly overdrawn, the anchor pier position is reserved to avoid occupying the lining, the anchor pier is 0.3 multiplied by 0.3m, the strength reaches more than 70% after grouting is completed, the stable anchor cable is tensioned to 70% of the designed anchoring force and then locked, then the secondary lining pouring is carried out after the next cycle of excavation, anchoring and primary support are carried out, and the stable anchor cable needs to be tensioned to the designed anchoring force before pouring;
further, the lining and the protection beam adopt reinforced concrete and other materials to permanently support the tunnel, the reinforcing anchor rods and the anchoring ropes are driven into the bedding rock mass and the submerged sliding body after the lining and the protection beam are drilled, and the drilling holes are cast and filled by adopting concrete casting materials;
in order to increase the stability of the side slope of the submerged sliding body, and under the condition that the vegetation on the surface layer of the submerged sliding body is not damaged, the submerged sliding body is reinforced by timely staggering and placing the guide anchor rods, so that the stability of the submerged sliding body is increased, meanwhile, the water in the submerged sliding body can enter the water conduit through the water conduit, and finally is discharged through the water outlet pipe, the water content in the submerged sliding body is reduced, the submerged sliding body is not easy to slide due to water, and the stability of the submerged sliding body is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a beam guard structure according to an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a partial structure of a guard beam according to an embodiment of the present utility model;
FIG. 4 is a schematic perspective view of a structure of a guide anchor according to an embodiment of the present utility model;
fig. 5 is a schematic perspective view of a water absorbing sleeve according to an embodiment of the present utility model;
FIG. 6 is a schematic perspective view of a penstock construction according to an embodiment of the present utility model;
FIG. 7 is an exploded perspective view of the construction of a penstock and suction sleeve according to an embodiment of the present utility model;
fig. 8 is an exploded perspective view of a drain structure according to an embodiment of the present utility model.
Icon: 10. bedding rock mass; 11. a submerged slider; 20. a tunnel; 201. a road; 21. lining; 211. filling layers; 22. protecting the beam; 23. a through groove; 24. reinforcing an anchor rod; 241. an anchor rope; 25. reinforcing an anchor rod; 30. stabilizing the anchor cable; 301. an anchor; 31. fixing an anchor rod; 311. a reinforcing block; 40. a water conduit; 401. a water diversion hole; 402. a supporting and fixing disc; 403. a delivery tube; 41. a water absorbing sleeve; 42. a drain pipe; 421. a protective pipe fitting; 422. an outer sheath; 423. an inner protecting seat.
Detailed Description
Because the prior art aims at the bedding bias section of the tunnel portal, the main treatment scheme at present is means such as earth surface slide piles, anchor cables, clearing parties and the like, and the scheme is extremely easy to destroy rare vegetation, scenic spots and the like on the slope above the tunnel portal. Therefore, the inventor provides an in-hole anchoring structure resisting the bedding bias, considers that the slope above the hole is provided with the rare vegetation, scenic spots and other areas, treats the slope from the hole, avoids damaging the rare vegetation, scenic spots and the like on the slope above the hole, and solves the defects.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1-8, an embodiment of the present utility model provides an anchor structure in a tunnel against bedding bias, which comprises a bedding rock 10, a tunnel 20, a stable anchor cable 30 and a water conduit 40, wherein the tunnel 20 is engineering-built in the bedding rock 10, and can carry out road transportation, the stable anchor cable 30 is erected at one end of the tunnel 20 and is embedded in a foundation stone in the bedding rock 10, and can strengthen the tunnel 20, improve the stability of the bedding bias slope, and the water conduit 40 is arranged in the bedding rock 10, and can transport water in the bedding rock 10, so as to prevent the phenomenon of unstable landslide caused by excessive water content in the bedding rock 10
Referring to fig. 1, a bedding rock body 10, and a diving slip body 11 is buried above the bedding rock body 10;
referring to fig. 1-3, a tunnel 20, wherein a protection beam 22 is arranged in an inner cavity of the tunnel 20, a through groove 23 is formed on one side of the protection beam 22 in a penetrating manner, and the tunnel 20 is formed on the surface of the bedding rock body 10; the inner chamber of tunnel 20 and the internal surface that is located protect roof beam 22 have set up lining 21, the bottom in lining 21 inner chamber is paved and is filled layer 211, the inner chamber of tunnel 20 is provided with road 201, road 201 is paved in the top of filling layer 211, reinforcing stock 24 is all installed to the left and right sides of protect roof beam 22 bottom, the bottom of protect roof beam 22 is provided with anchor rope 241, the top of anchor rope 241 and the bottom fixed connection of protect roof beam 22, the quantity of reinforcing stock 24 and anchor rope 241 is a plurality of, the bottom fastening section of reinforcing stock 24 and anchor rope 241 all runs through the submerged body 11 and inlay to be less than 8~10m in following layer rock mass 10.
Specifically, the surface of the protection beam 22 is provided with reinforcing anchor rods 25 in a penetrating manner, one ends of the reinforcing anchor rods 25 penetrate to the surface of the submerged sliding body 11, the number of the reinforcing anchor rods 25 is a plurality, and the other ends of the reinforcing anchor rods 25 are fixedly connected with the surface of the lining 21.
Referring to fig. 2 and 4, the anchor cable 30 is fixed, and the anchor cable 30 is penetrated through the surfaces of the bedding rock 10 and the sliding body 11; the other end and lining 21 interconnect of firm anchor rope 30, the one end of firm anchor rope 30 is connected with anchor 301, the quantity of firm anchor rope 30 is a plurality of groups, firm anchor rope 30 longitudinal spacing is 2m, firm anchor rope 30 vertical setting is 5 rows, the interval is 0.7~1.1, the inclination is 0~11 and is faced upward, one side increases the vertical interval of firm anchor rope 30 of anchor rope 24 and one end and is 1.3m, the surface of the potential slide body 11 runs through and is provided with a plurality of and draws solid stock 31, the surface cover of drawing solid stock 31 is equipped with a plurality of reinforcing block 311, draw solid stock 31 to set up in the soil depths of potential slide body 11, the interval between the adjacent anchor stock 31 of drawing staggers the setting according to the nursery stock distribution on the potential slide body 11, the bottom fastening section of drawing solid stock 31 is inlayed to be not less than 10m in the bedding rock body 10, for example: the bottom end fastening section of the guiding anchor rod 31 is embedded into the bedding rock body 10 for 15m, and gaps between the guiding anchor rod 31 and the bedding rock body 10 and gaps between the guiding anchor rod 31 and the submerged sliding body 11 are filled by concrete mixed pouring filler.
Referring to fig. 2-3 and 5-8, the water conduit 40 is provided with a water suction sleeve 41 on the outer surface of the water conduit 40, the water conduit 40 is arranged in the deep soil of the submerged sliding body 11, the water conduit 40 is provided with a plurality of water conduits 40, the water conduit 40 is drilled in the submerged sliding body 11, the water conduits 40 are longitudinally arranged in the deep soil of the submerged sliding body 11, the distance between the adjacent water conduits 40 is 1.3-2.5 m, a plurality of supporting plates 402 are distributed and sleeved on the outer surface of the water conduit 40, the water conduit 40 is provided with water conduits 401 on the outer surface, one end of the water conduit 40 is communicated with a conveying pipe 403, one end of the conveying pipe 403 far away from the water conduit 40 penetrates through the inner cavity of the water conduit 42, the inner cavity of the through groove 23 is provided with a water conduit 42, and the outer surface of the water conduit 42 is provided with an outer jacket 422.
Wherein, the inner cavity of the drain pipe 42 is provided with a protecting pipe 421 for reinforcement, the surface of the outer sheath 422 is embedded with an inner protecting seat 423 for reinforcement, and the front section of the drain pipe 42 is communicated with a water outlet pipe 43.
In summary, when the in-tunnel anchoring structure resisting bedding bias of the embodiment of the utility model is used, firstly, the stable anchor cable 30 is installed, after the lining 21 and the protection beam 22 are built into the tunnel 20, every 5m of the in-tunnel anchoring structure is circulated, excavation, anchoring and primary support are carried out, and aiming at anchoring measures: the anchor rod 24 and the stable anchor cable 30 are reinforced by the mountain side of the bedding rock body 10, the anchoring section is required to pass through a potential sliding surface for more than 5m, the mountain side of the bedding rock body 10 is required to be properly overdrawn, the anchor pier position is reserved to avoid occupying the lining 21, the anchor pier is 0.3x0.3m, the strength reaches more than 70% after grouting is completed on the stable anchor cable 30, the stable anchor cable 30 is tensioned to 70% of the designed anchoring force and then locked, then the secondary lining pouring is carried out after the next cycle of excavation, anchoring and primary support are carried out, and the stable anchor cable 30 is required to be subjected to the tensioning to the designed anchoring force before pouring;
further, the lining 21 and the protection beam 22 adopt reinforced concrete and other materials to permanently support the tunnel 20, the reinforcing anchor rods 25 and the anchor ropes 241 are driven into the bedding rock body 10 and the submerged sliding body 11 after the lining 21 and the protection beam 22 are drilled, and the drilled holes are cast and filled by adopting concrete casting materials;
in order to increase the self slope stability of the submerged sliding body 11, and under the condition that the vegetation on the surface layer of the submerged sliding body 11 is not damaged, the guide anchor rods 31 are staggered and placed timely, the submerged sliding body 11 is reinforced, the stability of the submerged sliding body 11 is increased, meanwhile, the water in the submerged sliding body 11 can enter the water guide pipe 40 through the pre-buried water guide pipe 40 and the water absorption sleeve 41 drilled at the position of the submerged sliding body 11 close to the tunnel 20, and then flows into the water discharge pipe 42 through the water guide pipe 40, and finally is discharged through the water discharge pipe 43, so that the water content in the submerged sliding body 11 is reduced, the submerged sliding body 11 is not easy to cause self landslide due to water, and the self stability of the submerged sliding body 11 is increased.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. An in-hole anchor structure resistant to compliant layer bias, comprising:
a bedding rock mass (10), wherein a submerged sliding body (11) is buried above the bedding rock mass (10);
the tunnel (20), the inner chamber of tunnel (20) is provided with protects roof beam (22), protect one side of roof beam (22) and run through and have offered logical groove (23), tunnel (20) open and are located along the surface of layer rock mass (10);
the stable anchor cable (30) penetrates through the surfaces of the bedding rock body (10) and the submerged sliding body (11);
the water diversion pipe (40), the surface cover of water diversion pipe (40) is equipped with water absorption sleeve (41), water diversion pipe (40) set up in the soil depths of diving sliding body (11).
2. The in-tunnel anchoring structure against bedding bias according to claim 1, wherein a lining (21) is erected on the inner surface of the inner cavity of the tunnel (20) and located on the guard beam (22), and a filling layer (211) is paved at the bottom of the inner cavity of the lining (21).
3. An in-tunnel anchoring structure against bedding bias as claimed in claim 1, wherein the inner cavity of the tunnel (20) is provided with a road (201).
4. The anti-bedding-bias in-hole anchoring structure according to claim 1, wherein the reinforcing anchor rods (24) are mounted on the left side and the right side of the bottom of the protection beam (22), the anchoring ropes (241) are arranged on the bottom of the protection beam (22), and the number of the reinforcing anchor rods (24) and the number of the anchoring ropes (241) are several.
5. The anti-compliant in-tunnel anchoring structure according to claim 1, wherein the surface of the guard beam (22) is provided with reinforced anchor rods (25) in a penetrating manner, one end of each reinforced anchor rod (25) penetrates to the surface of the submerged sliding body (11), and the number of the reinforced anchor rods (25) is a plurality.
6. The in-tunnel anchoring structure against bedding bias according to claim 1, wherein one end of the stable anchor cable (30) is connected with anchoring elements (301), the number of the stable anchor cable (30) is a plurality of groups, the longitudinal spacing of the stable anchor cable (30) is 2m, the stable anchor cable (30) is vertically arranged in 5 rows, the spacing is 0.7-1.1 m, and the inclination angle is 0-11 degrees.
7. The bedding bias-resistant in-hole anchoring structure according to claim 1, wherein the number of the water conduits (40) is a plurality, a plurality of supporting disks (402) are sleeved on the outer surface of the water conduit (40), and water diversion holes (401) are sleeved on the outer surface of the water conduit (40).
8. The anti-bedding bias in-hole anchoring structure according to claim 1, wherein one end of the water conduit (40) is communicated with a conveying pipe (403), the inner cavity of the through groove (23) is provided with a water draining pipe (42), and the outer surface of the water draining pipe (42) is provided with an outer sheath (422).
9. The anti-compliant in-tunnel anchoring structure according to claim 8, wherein the inner cavity of the drain pipe (42) is provided with a protecting pipe (421) for reinforcement, the surface of the outer sheath (422) is embedded with an inner protecting seat (423) for reinforcement, and the front section of the drain pipe (42) is communicated with a water outlet pipe (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222683126.6U CN218933093U (en) | 2022-10-12 | 2022-10-12 | In-hole anchoring structure resisting cis-layer bias |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222683126.6U CN218933093U (en) | 2022-10-12 | 2022-10-12 | In-hole anchoring structure resisting cis-layer bias |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218933093U true CN218933093U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222683126.6U Active CN218933093U (en) | 2022-10-12 | 2022-10-12 | In-hole anchoring structure resisting cis-layer bias |
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| Country | Link |
|---|---|
| CN (1) | CN218933093U (en) |
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2022
- 2022-10-12 CN CN202222683126.6U patent/CN218933093U/en active Active
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