CN205135647U - Can prosthetic prevention and cure pucking structure - Google Patents
Can prosthetic prevention and cure pucking structure Download PDFInfo
- Publication number
- CN205135647U CN205135647U CN201520806700.XU CN201520806700U CN205135647U CN 205135647 U CN205135647 U CN 205135647U CN 201520806700 U CN201520806700 U CN 201520806700U CN 205135647 U CN205135647 U CN 205135647U
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- CN
- China
- Prior art keywords
- repeat
- guan liang
- anchor cable
- pucking
- grouting pipe
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Abstract
The utility model discloses a can prosthetic prevention and cure pucking structure, stake hole one end runs through guan liang, the stake hole is two rows, arrange perpendicularly respectively in tunnel bottom plate both sides, every downthehole shaped steel that is equipped with, shaped steel pterygoid lamina both sides are equipped with can repeat the slip casting pipe, the stake is downthehole, can repeat the packing of slip casting outside of tubes has the grout, it passes guan liang to have the anchor rope slope that can repeat the slip casting pipe, guan liang is exposed to anchor rope one end, it is equipped with the tool to lock to expose the part, fill up the backing plate that has the perpendicular to anchor rope between tool to lock and the hat roof beam, lock anchor rope one end on guan liang through tool to lock and backing plate. The beneficial effects of the utility model are that can realize that the stake anchor can dynamic in good time restoration through repetition slip casting, realize the stability of the environment of stake anchor system, keep a stability of anchor system for a long time.
Description
Technical field
The utility model belongs to brick or concrete duct field and mining engineering and technology field, relates to a kind of recoverable control pucking structure.
Background technology
Over nearly twenty or thirty year, along with well mining depth strengthens, the problem of chamber (tunnel) pucking is more and more outstanding, and colliery more so.At present, in the deep tunnel of colliery, pucking has become the ubiquitous problem of China's coal-mine.Pucking is the principal mode of roadway damage, is also the difficult problem during Drift stability controls.Up to now, the method for the control of pucking is existing a lot, but nothing more than reinforcing method or destressing method two class.Engineering practice shows, rock chamber, except bearing selfweight stress effect, bears residual structural stress effect toward contact.Current research shows, bears the tunnel of residual structural stress effect, and the horizontal stress on base plate is very powerful.This powerful horizontal stress just, makes the destruction of the forms such as base plate generation splitting flexing, shearing.Therefore, the control of pucking should be powerful horizontal force (external cause) and raising base plate strength and globality (internal cause) two aspect from reduction base plate.Due to unclear to the external cause understanding of this problem, existing pucking Prevention Technique is mostly is only stress one.
China enters the colliery of deep mining more than 80%, and deep tunnel annual advance amount is more than 8000km.A notable feature of deep tunnel is exactly that pucking is serious, and pucking problem has allowed many deep minings have difficulty in taking a step, and therefore minority closes.Although there are many prevention and controls, or belong to reply surrouding rock stress approach, or belong to raising Surrounding Rock Strength approach.The supporting and protection structure of more reasonably preventing and treating pucking should be both cut down horizontal applied force powerful on base plate, again can reinforce adjoining rock.Fragmentation due to deep laneway surrounding rock has prolonged and repeated property, therefore has the end method of controlling dynamically improving rock mass strength and is only optimal method.The method of the repeated grouting reinforcement rock that author proposes, when for preventing and treating Floor Heave in Roadway, though have both effect concurrently, reply surrouding rock stress still has deficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of recoverable control pucking structure, solves the problem that the current stablizing effect of pucking prevention and controls to pucking is undesirable.
The technical scheme that the utility model adopts comprises stake holes, Guan Liang is run through in stake holes one end, and stake holes is two rows, is arranged vertically on roadway floor both sides respectively, shaped steel is provided with in each stake holes, shaped steel wing plate both sides are provided with can repeat Grouting Pipe, and in stake holes, can repeat to be filled with cement paste outside Grouting Pipe, anchor cable tilts through Guan Liang, Guan Liang is exposed in anchor cable one end, exposed parts is provided with lockset, is lined with the backing plate perpendicular to anchor cable, is locked on Guan Liang anchor cable one end by lockset and backing plate between lockset and hat beam.
Further, can repeat Grouting Pipe in described stake, can repeat Grouting Pipe is pvc pipe, bottom end seal, and tube wall is drilled with one every 20cm and irises out slurry aperture, often enclose and equidistantly arrange 3 ~ 4 pulp apertures, aperture place puts 3 layers of rubber, forms unidirectional slurry outlet.
Further, described shaped steel is I shape or H type, by " [" shape steel plate and high-strength bolt link together up and down between shaped steel.
Further, the repeated Grouting Pipe in described anchor cable, can repeat Grouting Pipe is pvc pipe, bottom end seal, and on tube wall, every 1m arranges 3 and irises out slurry aperture, turn separation 5cm, often encloses and equidistantly arranges 3 ~ 4 pulp apertures, and aperture place puts 3 layers of rubber membrane, forms unidirectional slurry outlet.
In good time the beneficial effects of the utility model can realize piled anchor dynamic by repetition slip casting to repair, and realizes the stability of the environment of piled anchor system, the stability of long sustaining piled anchor system.Piled anchor system effectively can cut down the powerful horizontal applied force on base plate simultaneously.
Accompanying drawing explanation
Fig. 1 is the layout plan of supporting and protection structure;
Fig. 2 is part A enlarged diagram in Fig. 1;
Fig. 3 is the sectional drawing of supporting and protection structure;
Fig. 4 is part B enlarged diagram in Fig. 3;
Fig. 5 is shaped steel connection diagram.
In figure, 1. stake holes, 2. Guan Liang, 3. shaped steel, 4. can repeat Grouting Pipe, 5. cement paste, 6. anchor cable, 7. lockset, 8. backing plate, 201. " [" shape steel plate, 202. high-strength bolts.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is described in detail.
The utility model is with the shaped steel concrete stake that can repeat Grouting Pipe-long base angle anchor cable combining structure, outside shaped steel wing plate or in anchor cable hole, insert PVC can repeat Grouting Pipe and dynamically reinforce breaking surrounding rock, deep wall rock bearing capacity is transferred by stake top anchor cable, suspended wall stake is become the restrained pile that two ends are fixing, both to have contended with better the high-level extruding force acted on base plate, simultaneously make again country rock maintain its high strength, realize that internal and external reasons is comprehensive controls end general plan.
The structure of recoverable control pucking of the present utility model is as shown in Fig. 1 ~ Fig. 5, comprise stake holes 1, hat beam 2 is run through in stake holes 1 one end, stake holes 1 is two rows, be arranged vertically on roadway floor both sides respectively, shaped steel 3 is provided with in each stake holes 1, shaped steel 3 wing plate both sides are provided with can repeat Grouting Pipe 4, Grouting Pipe 4 can be repeated and adopt the pvc pipe that hard elastic is good, bottom end seal, tube wall is drilled with one every 20cm and irises out slurry aperture, often enclose and equidistantly arrange 3 ~ 4 pulp apertures, aperture place puts the rubber membrane of 3 layers of good toughness, forms unidirectional slurry outlet.In order to prevent scratching rubber membrane when inserting, wrap rubber membrane with thin wire mesh sheet cover.In stake holes 1, can repeat to be filled with cement paste 5 outside Grouting Pipe 4, anchor cable 6 tilts through hat beam 2, and hat beam 2 is exposed in anchor cable 6 one end, and exposed parts is provided with lockset 7, be lined with backing plate 8 perpendicular to anchor cable 6 between lockset 7 and hat beam 2, by lockset 7 and backing plate 8 anchor cable 6 one end be locked at and be preced with on beam 2.Shaped steel 3 is I shape or H profile steel, by " [" shape steel plate 201 and high-strength bolt about 202 link together between shaped steel 3.Anchor cable 6 is with the repeated Grouting Pipe of anchor cable, the repeated Grouting Pipe of anchor cable adopts pvc pipe, and tube wall establishes 3 to iris out slurry aperture (turn separation 5cm) every 1m, and often circle equidistantly should arrange 3 ~ 4 pulp apertures, aperture place puts the rubber membrane of 3 layers of good toughness, forms unidirectional slurry outlet.In order to prevent scratching rubber membrane when inserting, setting up intensity lower but the porous material locating support of good toughness at the pulp aperture place of the repeated Grouting Pipe of anchor cable, and at this place's outer cover thin wire gauze, locating support, Grouting Pipe and muscle material being wrapped.The suitable coating butter of Grouting Pipe outer wall at pulp aperture place, reduces the bonding of pipe outer wall and rubber membrane.
Structure of the present utility model, when stake is broken by curved outside concrete, or anchor cable 6 tension causes outer wrapping concrete and breaks, or during rock masses fracturing, when needing slip casting just.Slurries by crack, will be squeezed in rock mass in crack, filled opening by slip casting, small blocks is become overall good agglomerate body, improves rock mass strength.Both dynamic consolidating crack, can solve again stake end and problem is puted forth effort in anchor cable 6 bottom.Therefore, slip casting can be repeated and make this structure have recoverability, make the stability of this structure keep normalization.
Structure of the present utility model can repeat slurry injection technique and piled anchor organically combines, and has been split into a kind of piled anchor control pucking structure with repair function.This technology, with the particular design of structure, realizes piled anchor dynamic by repetition slip casting and repairs in good time, realize the stability of the environment of piled anchor system, the stability of long sustaining piled anchor system; By repeating slip casting, constantly broken country rock being carried out to the reparation of strength and stiffness, making the stable state that country rock long sustaining one is good, improve the supporting capacity of country rock, promote the stable of roadway floor.Because it has the in good time repair function of dynamic, can make up and at present the inaccurate problem brought be grasped to roadway surrounding rock engineering properties, engineering-environment, the uncertainty in construction, in normal operation can be tackled preferably.Except coal mining, there is pucking problem in the pit mining in other mine too.Therefore, the potential economic benefit of this technology will be very remarkable.
The above is only to better embodiment of the present utility model, not any pro forma restriction is done to the utility model, every any simple modification above embodiment done according to technical spirit of the present utility model, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (5)
1. a recoverable control pucking structure, it is characterized in that: comprise stake holes (1), Guan Liang (2) is run through in stake holes (1) one end, stake holes (1) is two rows, be arranged vertically on roadway floor both sides respectively, shaped steel (3) is provided with in each stake holes (1), shaped steel (3) wing plate both sides are provided with can repeat Grouting Pipe (4), in stake holes (1), can repeat to be filled with cement paste (5) outside Grouting Pipe (4), anchor cable (6) tilts through Guan Liang (2), Guan Liang (2) is exposed in anchor cable (6) one end, exposed parts is provided with lockset (7), the backing plate (8) perpendicular to anchor cable (6) is lined with between lockset (7) and Guan Liang (2), by lockset (7) and backing plate (8), anchor cable (6) one end is locked on Guan Liang (2).
2. according to recoverable control pucking structure a kind of described in claim 1, it is characterized in that: described shaped steel (3) is I shape or H profile steel, by " [" shape steel plate (201) and high-strength bolt (202) link together up and down between shaped steel (3).
3. according to recoverable control pucking structure a kind of described in claim 1, it is characterized in that: described anchor cable (6) is with repeating Grouting Pipe, and can repeat Grouting Pipe is pvc pipe, bottom end seal.
4. according to recoverable control pucking structure a kind of described in claim 1, it is characterized in that: describedly repeat Grouting Pipe (4), tube wall is drilled with one every 20cm and irises out slurry aperture, often enclose and 3 ~ 4 pulp apertures are equidistantly set, aperture place puts 3 layers of rubber, forms unidirectional slurry outlet.
5., according to recoverable control pucking structure a kind of described in claim 1, it is characterized in that: can repeat Grouting Pipe in described anchor cable, on tube wall, every 1m arranges 3 and irises out slurry aperture, turn separation 5cm, often enclose and equidistantly arrange 3 ~ 4 pulp apertures, aperture place puts 3 layers of rubber membrane, forms unidirectional slurry outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806700.XU CN205135647U (en) | 2015-10-19 | 2015-10-19 | Can prosthetic prevention and cure pucking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806700.XU CN205135647U (en) | 2015-10-19 | 2015-10-19 | Can prosthetic prevention and cure pucking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205135647U true CN205135647U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520806700.XU Expired - Fee Related CN205135647U (en) | 2015-10-19 | 2015-10-19 | Can prosthetic prevention and cure pucking structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN205135647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201525A (en) * | 2015-10-19 | 2015-12-30 | 河南理工大学 | Repairable bottom heave control method |
-
2015
- 2015-10-19 CN CN201520806700.XU patent/CN205135647U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201525A (en) * | 2015-10-19 | 2015-12-30 | 河南理工大学 | Repairable bottom heave control method |
| CN105201525B (en) * | 2015-10-19 | 2017-09-12 | 河南理工大学 | A kind of recoverable preventing and treating pucking method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20191019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |