CN114856662A - High-ground-stress interbedded soft rock tunnel anchor rod supporting structure - Google Patents
High-ground-stress interbedded soft rock tunnel anchor rod supporting structure Download PDFInfo
- Publication number
- CN114856662A CN114856662A CN202210567899.XA CN202210567899A CN114856662A CN 114856662 A CN114856662 A CN 114856662A CN 202210567899 A CN202210567899 A CN 202210567899A CN 114856662 A CN114856662 A CN 114856662A
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- Prior art keywords
- anchor rod
- fixedly connected
- tunnel
- holes
- anchor
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- 239000011435 rock Substances 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 239000002689 soil Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000001035 drying Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a high ground stress interbedded soft rock tunnel anchor rod supporting structure, which solves the problems that in the soft rock tunnel anchor rod supporting process, the supporting force is insufficient, so the rock mass is unstable, and the anchor rod and the rock mass are unstable due to overhigh rock mass humidity; the tunnel comprises a tunnel body, wherein a plurality of groups of anchor rod fixing holes are formed in the tunnel body, the same group of anchor rod fixing holes are distributed at equal intervals, fixing anchor rods are arranged in the anchor rod fixing holes and are of a hollow structure, one ends of the fixing anchor rods, which are arranged in the anchor rod fixing holes, are connected with anchor rod heads, a supporting frame, which is arranged right below the anchor rod fixing holes, is fixedly connected in the tunnel body, a plurality of plugging holes matched with the anchor rod fixing holes are formed in the supporting frame, supporting circular plates fixedly connected with the tunnel body are coaxially arranged in the plugging holes, threaded plates are detachably connected in the supporting circular plates, and the threaded plates are in threaded connection with the fixing anchor rods. The lower ends of the supporting ring sleeves are fixedly connected with a clip-shaped vent pipe; the invention has the advantages of exquisite structure and strong practicability.
Description
Technical Field
The invention relates to the technical field of tunnel anchor bolt supporting equipment, in particular to a high-ground-stress interbedded soft rock tunnel anchor bolt supporting structure.
Background
The anchor rod technology is a common support means, and is widely applied to ground engineering such as rock soil, slope deep foundation and the like and underground engineering such as mine fields, tunnels and the like. The key content of the anchor rod setting in the engineering mainly comprises an anchor rod side resistance distribution mode and a limit withdrawal force, wherein the anchor rod side resistance distribution mode directly determines the length of an anchor rod anchoring section or the limit withdrawal force of the anchor rod, and the size of the limit withdrawal force determines the arrangement and the quantity of the anchor rods. But current anchor bolt supporting device simple structure, the bond stress performance between the body of rod and mortar is poor, is unfavorable for increasing the degree of stability. Particularly for a high ground stress interbed soft rock tunnel, due to the soft geology, the soil layer is easy to generate stress deformation, so that the instability of the whole structure and the fixation of the tunnel anchor rod is enhanced, and the support of the tunnel anchor rod is particularly important.
However, the support process of the soft rock tunnel anchor rod at present has the following problems:
1. the existing anchor rod and rock stratum holes have small resistance, so that the anchor rod is inconvenient to support, the stress in the tunnel cannot be buffered in the supporting process, the rock stratum cannot be prevented from deforming, the rock stratum cannot be effectively supported, and the anchor rod is prevented from unstably falling off and the rock mass is prevented from collapsing;
2. due to the characteristics of soft rock, the rock mass around the anchor rod can deform when the water content is large, so that the structure is unstable, and the conventional supporting structure cannot dredge and drain the rock mass around the anchor rod.
Therefore, the invention provides a high ground stress interbedded soft rock tunnel anchor rod supporting structure to solve the problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the anchor rod supporting structure of the high-ground-stress interbedded soft rock tunnel, which effectively solves the problems that the rock mass is unstable due to insufficient supporting force in the anchor rod supporting process of the soft rock tunnel, and the anchor rod and the rock mass are unstable due to overhigh humidity of the rock mass.
The tunnel comprises a tunnel body, wherein a plurality of groups of anchor rod fixing holes are formed in the tunnel body, the anchor rod fixing holes in the same group are distributed at equal intervals, fixing anchor rods are arranged in the anchor rod fixing holes, the fixing anchor rods are of hollow structures, and one ends of the fixing anchor rods, which are arranged in the anchor rod fixing holes, are connected with anchor rod heads;
a support frame arranged right below the anchor rod fixing hole is fixedly connected in the tunnel body, a plurality of plugging holes matched with the anchor rod fixing hole are formed in the support frame, a support circular plate fixedly connected with the tunnel body is coaxially arranged in the plugging holes, a threaded plate is detachably connected in the support circular plate, and the threaded plate is in threaded connection with the fixing anchor rod;
the lower end of the support frame is fixedly connected to the tunnel body.
Preferably, a sliding track is arranged on one side, which is attached to the tunnel body, of the support frame, a lifting support plate is connected in the sliding track in a sliding mode, a lifting sleeve matched with the plugging hole is arranged on the lifting support plate, and the lifting support plate is connected with the sliding track through a strong spring.
Preferably, a sealing ring sleeve fixedly connected with the lifting support plate is arranged between the lifting support plate and the sliding track, the sliding track is filled with hydraulic oil, a plurality of oil through holes are formed in two sides of the lower end of the sliding track, hydraulic bins are fixedly connected to two sides of the lower end of the support frame respectively, the hydraulic bins are communicated with the oil through holes, a sliding piston plate is connected to the hydraulic bins in an up-and-down sliding mode, a hydraulic telescopic rod is fixedly connected to the upper end of the sliding piston plate, and the upper end of the hydraulic telescopic rod is connected with the upper end of the hydraulic bins.
Preferably, two flow guide grooves which are symmetrically distributed in the front and back are formed in one side, close to the tunnel body, of the lifting support plate, and soil separation net pieces are fixedly connected to one side, close to the tunnel body, of each flow guide groove.
Preferably, the anchor rod fixed orifices have seted up a plurality of water conservancy diversion holes all around, the downthehole fixedly connected with water conservancy diversion pole of water conservancy diversion, the water conservancy diversion pole on seted up a plurality of infiltration holes, the inside coaxial fixedly connected with water conservancy diversion silver of water conservancy diversion pole, water conservancy diversion silver lower extreme arrange in the water conservancy diversion ditch inslot portion, the water conservancy diversion ditch inslot laid the water conservancy diversion sponge.
Preferably, the two sides of the lower end of the lifting support are fixedly connected with water storage bins, the water storage bins are communicated with the flow guide grooves, and the water storage bins are connected with an external water pumping device.
The glove production drying device is improved aiming at the existing glove production drying device, and the problems of fixing and drying the gloves are effectively solved by additionally arranging the support frame, the sliding support plate, the accommodating hole, the support ring sleeve, the air supply ring, the limiting air bag ring and the vent hole; the problem of drying the inner part of the glove is effectively solved by arranging the upper through pipe, the telescopic air pipe, the air jet holes and the clip-shaped air pipe; the problems of recycling waste heat air and recovering waste heat are effectively solved by arranging the flow guide pipe and the flow guide hole; the air inlet sleeve, the filtering ring sleeve and the dehumidifying cotton are arranged, so that the problem of water circulation in the recovered air flow is effectively solved; and the structure is simple and stable, and the universality is extremely high.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the internal structure of the present invention.
Fig. 3 is a perspective view of the anchor rod and the guide rod of the present invention.
Fig. 4 is a schematic view of the anchor rod and guide rod installation of the present invention.
FIG. 5 is a schematic view of the support plate and its connecting members of the present invention.
Fig. 6 is a perspective view of the support plate of the present invention.
FIG. 7 is a schematic cross-sectional view of the hydraulic chamber and the connecting members of the present invention.
Fig. 8 is a schematic view of the sliding track of the present invention.
FIG. 9 is a schematic cross-sectional view of the flow guide rod and its internal structure.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 9. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The embodiment I of the invention relates to a high-ground-stress interbedded soft rock tunnel anchor rod supporting structure, which comprises a tunnel body 1, the tunnel body 1 provides a fixed supporting foundation for a subsequent structure, a plurality of groups of anchor rod fixing holes 2 are arranged in the tunnel body 1, the anchor rods are installed through the anchor rod fixing holes 2, the anchor rod fixing holes 2 in the same group are distributed at equal intervals, the anchor rod fixing holes 2 are internally provided with fixing anchor rods 3, one ends of the fixing anchor rods 3, which are arranged in the anchor rod fixing holes 2, are connected with anchor rod heads 4, the fixing anchor rods 3 are of hollow structures, the anchor rod head 4 can be fixed by pouring concrete into the anchor rod fixing hole 2 through the fixing anchor rod 3, meanwhile, a steel wire or a steel cable can penetrate through the hollow fixing anchor rod 3, so that the subsequent structure can be limited and fixed conveniently;
the tunnel body 1 is internally and fixedly connected with a support frame 5 which is arranged under the anchor rod fixing hole 2, the tunnel body 1 is supported through the support frame 5, the tunnel body 1 is prevented from deforming, the support frame 5 is provided with a plurality of plugging holes 6 which are matched with the anchor rod fixing hole 2, concrete poured in the anchor rod fixing hole 2 is plugged through the plugging control, the phenomenon that the concrete is not solidified falls off is avoided, a supporting disc 7 which is fixedly connected with the tunnel body 1 is coaxially arranged in the plugging hole 6, the supporting disc 7 is fixedly connected on the tunnel body 1 through an expansion bolt, the supporting disc 7 is used for supporting a structure entering the anchor rod fixing hole 2, and a threaded plate is detachably connected in the supporting disc 7, the threaded plate is in threaded connection with the fixed anchor rod 3, the fixed anchor rod 3 is supported through the threaded plate, the fixed anchor rod 3 is controlled to slide through the threaded plate, and the fixed anchor rod 3 is rotated through the fixed threaded plate to control the lifting and sliding of the fixed anchor rod 3;
the lower end of the support frame 5 is fixedly connected to the tunnel body 1, the support frame 5 arranged on the ground supports the tunnel body 1, the support of the tunnel body 1 is effectively realized, and the phenomenon that the structure of the tunnel is unstable due to deformation of soft rock soil is avoided;
in the specific implementation of this embodiment, in the process of fixing the anchor rod, the support frame 5 is first placed in the tunnel body 1, then the support circular plate 7 is fixed to the periphery of the anchor rod fixing hole 2, then the anchor rod is placed in the anchor rod fixing hole 2, then the threaded plate is sleeved on the fixing anchor rod 3, then the threaded plate is fixedly connected to the support circular plate 7, then the anchor rod head 4 is fixed in the anchor rod fixing hole 2, then the concrete is held in the anchor rod fixing hole 2 by the fixing screw, then the fixing anchor rod 3 is rotated to withdraw the fixing anchor rod 3 out of the anchor rod fixing hole 2, and then the fixing anchor rod is plugged in the threaded plate by an external plug, and then the concrete in the anchor rod fixing hole 2 is limited, and the solidification of the concrete in the anchor rod fixing hole 2 is realized.
In the second embodiment, based on the first embodiment, in the process of supporting the tunnel body 1 by the supporting frame 5, the problem that the supporting frame 5 is hard to break due to deformation of the tunnel body 1 occurs, so that the supporting function of the supporting frame 5 is reliable, and therefore, the present embodiment provides a flexible supporting structure for the tunnel body 1, specifically, a sliding rail 8 is disposed on one side of the supporting frame 5, which is attached to the tunnel body 1, a lifting support plate 9 is slidably connected to the sliding rail 8, the tunnel body 1 is supported by the lifting support plate 9, so that deformation of the tunnel body 1 is avoided, and further, the anchor rod is not fixed firmly, a lifting sleeve matched with the plugging hole 6 is disposed on the lifting support plate 9, so as to ensure that the lifting support plate 9 can slide smoothly, the lifting support plate 9 is connected with the sliding track 8 through a strong spring, the lifting support plate 9 is supported through the strong spring, the lifting support plate 9 can be deformed when the lifting support plate is deformed strongly, the lifting support plate 9 is buffered under the action of the strong spring, the support class is prevented from being broken and damaged, and the lifting support plate 9 is effectively supported on the tunnel body 1.
In the third embodiment, on the basis of the second embodiment, in order to realize the reinforced auxiliary support of the lifting support plate 9 and effectively support the tunnel body 1, in this embodiment, a sealing ring sleeve fixedly connected with the lifting support plate 9 is disposed between the lifting support plate 9 and the sliding rail 8, the sealing ring sleeve realizes the sealing between the lifting support plate 9 and the sliding rail 8, the sliding rail 8 is filled with hydraulic oil, two sides of the lower end of the sliding rail 8 are provided with a plurality of oil through holes 11, two sides of the lower end of the support frame 5 are fixedly connected with hydraulic chambers 12, the hydraulic chambers 12 are communicated with the oil through holes 11, a sliding piston plate 13 is slidably connected with the hydraulic chambers 12 up and down, and a hydraulic telescopic rod 14 is fixedly connected with the upper end of the sliding piston plate 13, the upper end of the hydraulic telescopic rod 14 is connected with the upper end of the hydraulic bin 12, the telescopic movement of the hydraulic telescopic rod 14 drives the sliding piston plate 13 to lift, so that the lifting support plate 9 is controlled to lift in an auxiliary manner, and the sliding resistance of the lifting support plate 9 is further enhanced.
In the fourth embodiment, on the basis of the second embodiment, due to the geological characteristics of the soft earth rock, the tunnel body 1 is subjected to stress deformation in a humid environment, and therefore, it is very important to guide the water in the tunnel body 1, so this embodiment provides a flow guide structure, specifically, the lifting support plate 9 is provided with two flow guide grooves 15 symmetrically distributed in the front and back direction on one side close to the tunnel body 1, soil isolation mesh sheets 16 are fixedly connected to one side close to the tunnel body 1 in the flow guide grooves 15, the water in the tunnel body 1 is guided by the flow guide grooves 15, and meanwhile, the soil isolation mesh sheets 16 isolate the soil of the tunnel body 1, so that the rock soil is prevented from entering the flow guide grooves 15 to cause the blockage of the flow guide grooves 15, and the water in the tunnel body 1 is timely discharged to the outside, the stability of the rock soil of the tunnel body 1 is ensured.
Fifth embodiment, on the basis of the fourth embodiment, in order to ensure the stability of the holes of the fixed anchor rod 3 and to discharge the water around the anchor rod in time, the fourth embodiment provides an auxiliary supporting and guiding structure, specifically, a plurality of guiding holes 17 are formed around the anchor rod fixing hole 2, a guiding rod 10 is fixedly connected in the guiding hole 17, the anchor rod is supported by the guiding rod 10 to prevent the deformation of the rock near the anchor rod, a plurality of water seepage holes 18 are formed in the guiding rod 10, the water in the rock is guided by the water seepage holes 18 to ensure that the external water enters the guiding rod 10, a guiding cotton strip 19 is coaxially and fixedly connected in the guiding rod 10, and the lower end of the guiding cotton strip 19 is arranged in the guiding groove 15, the water in the diversion rod 10 is guided to the diversion groove 15 through the diversion cotton sliver 19, diversion sponge is paved in the diversion groove 15, and the diversion sponge is used for adsorbing the water in the diversion cotton sliver 19 and discharging the water to the outside.
Sixth embodiment, on the basis of fifth embodiment, in order to collect the water in the rock body conveniently, so this embodiment provides a retaining structure, specifically, the equal fixedly connected with retaining chamber 20 in lifting support lower extreme both sides, retaining chamber 20 with water conservancy diversion slot 15 be linked together, retaining chamber 20 and external pumping device link to each other, through retaining chamber to the water in the water conservancy diversion slot 15 collect, simultaneously through pumping device take out the water in retaining chamber 20, arrange to the external world.
When the anchor rod fixing device is used specifically, in the process of fixing the anchor rod, firstly, the support frame 5 is arranged in the tunnel body 1, then the support circular plate 7 is fixed on the periphery of the anchor rod fixing hole 2, then the anchor rod is arranged in the anchor rod fixing hole 2, then the threaded plate is sleeved on the fixed anchor rod 3, then the threaded plate is fixedly connected to the support circular plate 7, then the anchor rod head 4 is fixed in the anchor rod fixing hole 2, concrete is filled into the anchor rod fixing hole 2 through the fixing screw rod, then the fixed anchor rod 3 is rotated, the fixed anchor rod 3 is withdrawn from the anchor rod fixing hole 2 and then is plugged in the threaded plate through external plugging, then the limit on the concrete in the anchor rod fixing hole 2 is realized, and the solidification of the concrete in the anchor rod fixing hole 2 is realized;
meanwhile, when the diversion rod 10 is arranged around the fixed anchor rod 3, the diversion cotton strip 19 is arranged in the diversion groove 15, and then the water body in the rock body is guided into the water storage bin 20, so that the water body in the rock body is guided;
when deformation takes place for the rock mass, support tunnel body 1 through powerful spring and lift extension board 9, when taking place large-scale deformation simultaneously, start hydraulic telescoping rod 14, realize pressing of sliding piston board 13, and then realize the powerful support to lift extension board 9, realize the effective support to tunnel body 1.
The glove production drying device is improved aiming at the existing glove production drying device, and the problems of fixing and drying gloves are effectively solved by additionally arranging the support frame, the sliding support plate, the accommodating hole, the support ring sleeve, the air supply ring, the limiting air bag ring and the vent hole; the problem of drying the inner part of the glove is effectively solved by arranging the upper through pipe, the telescopic air pipe, the air jet holes and the clip-shaped air pipe; the problems of recycling waste heat air and recovering waste heat are effectively solved by arranging the guide pipe and the guide holes; the air inlet sleeve, the filtering ring sleeve and the dehumidifying cotton are arranged, so that the problem of water circulation in the recovered air flow is effectively solved; and the structure is simple and stable, and the universality is extremely high.
Claims (6)
1. A high-ground-stress interbedded soft rock tunnel anchor rod supporting structure comprises a tunnel body (1), and is characterized in that a plurality of groups of anchor rod fixing holes (2) are formed in the tunnel body (1), the anchor rod fixing holes (2) in the same group are distributed at equal intervals, fixing anchor rods (3) are arranged in the anchor rod fixing holes (2), the fixing anchor rods (3) are of a hollow structure, and one ends of the fixing anchor rods (3) arranged in the anchor rod fixing holes (2) are connected with anchor rod heads (4);
a support frame (5) arranged right below the anchor rod fixing hole (2) is fixedly connected in the tunnel body (1), a plurality of plugging holes (6) matched with the anchor rod fixing hole (2) are formed in the support frame (5), a supporting circular plate (7) fixedly connected with the tunnel body (1) is coaxially arranged in each plugging hole (6), a threaded plate is detachably connected in each supporting circular plate (7), and each threaded plate is in threaded connection with the fixed anchor rod (3);
the lower end of the support frame (5) is fixedly connected to the tunnel body (1).
2. The high-ground-stress interbedded soft-rock tunnel anchor rod supporting structure as claimed in claim 1, wherein a sliding rail (8) is arranged on one side of the supporting frame (5) which is attached to the tunnel body (1), a lifting support plate (9) is connected in the sliding rail (8) in a sliding mode, a lifting sleeve matched with the plugging hole (6) is arranged on the lifting support plate (9), and the lifting support plate (9) is connected with the sliding rail (8) through a strong spring.
3. A high ground stress interbedded soft rock tunnel bolting configuration according to claim 2, it is characterized in that a sealing ring sleeve fixedly connected with the lifting support plate (9) is arranged between the lifting support plate (9) and the sliding track (8), the sliding track (8) is filled with hydraulic oil, a plurality of oil through holes (11) are arranged on two sides of the lower end of the sliding track (8), both sides of the lower end of the support frame (5) are fixedly connected with hydraulic bins (12), the hydraulic bins (12) are communicated with the oil through holes (11), a sliding piston plate (13) is connected in the hydraulic chamber (12) in a vertical sliding way, the upper end of the sliding piston plate (13) is fixedly connected with a hydraulic telescopic rod (14), the upper end of the hydraulic telescopic rod (14) is connected with the upper end of the hydraulic cabin (12).
4. The high-ground-stress interbedded soft-rock tunnel anchor rod supporting structure as claimed in claim 2, wherein two flow guide grooves (15) which are symmetrically distributed in the front and back direction are formed in one side of the lifting support plate (9) close to the tunnel body (1), and a soil separation mesh (16) is fixedly connected to one side of the flow guide grooves (15) close to the tunnel body (1).
5. The anchor rod supporting structure of the high ground stress interbedded soft rock tunnel according to claim 4, wherein a plurality of guide holes (17) are formed around the anchor rod fixing hole (2), a guide rod (10) is fixedly connected in each guide hole (17), a plurality of water seepage holes (18) are formed in each guide rod (10), a guide cotton sliver (19) is coaxially and fixedly connected in each guide rod (10), the lower end of each guide cotton sliver (19) is arranged in each guide groove (15), and guide sponges are laid in each guide groove (15).
6. The high ground stress interbedded soft rock tunnel anchor rod supporting structure of claim 5, wherein the water storage bin (20) is fixedly connected to both sides of the lower end of the lifting support, the water storage bin (20) is communicated with the flow guide groove (15), and the water storage bin (20) is connected with an external water pumping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567899.XA CN114856662B (en) | 2022-05-24 | 2022-05-24 | High-ground-stress interbedded soft rock tunnel anchor rod supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567899.XA CN114856662B (en) | 2022-05-24 | 2022-05-24 | High-ground-stress interbedded soft rock tunnel anchor rod supporting structure |
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| Publication Number | Publication Date |
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| CN114856662A true CN114856662A (en) | 2022-08-05 |
| CN114856662B CN114856662B (en) | 2024-05-17 |
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| CN202210567899.XA Active CN114856662B (en) | 2022-05-24 | 2022-05-24 | High-ground-stress interbedded soft rock tunnel anchor rod supporting structure |
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| KR20120031377A (en) * | 2010-09-24 | 2012-04-03 | 박이근 | Apparaus for preventing tunnel-caving in and tunnel-constructing method thereby |
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| CN109944619A (en) * | 2019-04-15 | 2019-06-28 | 辽宁工程技术大学 | A kind of Support Method for high ground stress soft rock stress tunnel |
| CN110094213A (en) * | 2019-05-28 | 2019-08-06 | 福建工程学院 | The spaces union supporting construction and method for protecting support in a kind of rich water broken formation tunnel |
| CN210164491U (en) * | 2019-05-28 | 2020-03-20 | 田军光 | A tunnel face consolidates stock device for railway tunnel construction |
| CN112832834A (en) * | 2021-03-04 | 2021-05-25 | 淮北市平远软岩支护工程技术有限公司 | High-strength and high-toughness support sealing layer technology for preventing rock mass from ejecting and sealing layer equipment |
| CN213392185U (en) * | 2020-09-07 | 2021-06-08 | 中电建路桥集团有限公司 | Shallow little clean slip casting supporting construction for apart from tunnel of burying bias voltage |
| CN113152452A (en) * | 2021-02-05 | 2021-07-23 | 温州电力设计有限公司 | Novel stock stake of improvement for building |
-
2022
- 2022-05-24 CN CN202210567899.XA patent/CN114856662B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120031377A (en) * | 2010-09-24 | 2012-04-03 | 박이근 | Apparaus for preventing tunnel-caving in and tunnel-constructing method thereby |
| CN208950604U (en) * | 2018-10-19 | 2019-06-07 | 中交三公局第一工程有限公司 | One kind reinforcing support construction for bias small-clear-distance tunnel surface grouting |
| CN109944619A (en) * | 2019-04-15 | 2019-06-28 | 辽宁工程技术大学 | A kind of Support Method for high ground stress soft rock stress tunnel |
| CN110094213A (en) * | 2019-05-28 | 2019-08-06 | 福建工程学院 | The spaces union supporting construction and method for protecting support in a kind of rich water broken formation tunnel |
| CN210164491U (en) * | 2019-05-28 | 2020-03-20 | 田军光 | A tunnel face consolidates stock device for railway tunnel construction |
| CN213392185U (en) * | 2020-09-07 | 2021-06-08 | 中电建路桥集团有限公司 | Shallow little clean slip casting supporting construction for apart from tunnel of burying bias voltage |
| CN113152452A (en) * | 2021-02-05 | 2021-07-23 | 温州电力设计有限公司 | Novel stock stake of improvement for building |
| CN112832834A (en) * | 2021-03-04 | 2021-05-25 | 淮北市平远软岩支护工程技术有限公司 | High-strength and high-toughness support sealing layer technology for preventing rock mass from ejecting and sealing layer equipment |
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| CN114856662B (en) | 2024-05-17 |
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