CN108150209A - A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability - Google Patents
A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability Download PDFInfo
- Publication number
- CN108150209A CN108150209A CN201810080620.9A CN201810080620A CN108150209A CN 108150209 A CN108150209 A CN 108150209A CN 201810080620 A CN201810080620 A CN 201810080620A CN 108150209 A CN108150209 A CN 108150209A
- Authority
- CN
- China
- Prior art keywords
- anchor pole
- protecting
- anchor rod
- spiral winding
- sleeve pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000011435 rock Substances 0.000 abstract description 16
- 239000004567 concrete Substances 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 239000011378 shotcrete Substances 0.000 abstract description 5
- 238000007569 slipcasting Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
Abstract
The present invention provides a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability, including：Anchor pole, protection sleeve pipe, support disk, cover sheet, spiral winding, grating fibers strain gauge, iron core and data line.Intelligent anchor rod is mounted on bore mode in tunnel wall rock mass, it is fixed by outside and tail end slip casting, and it is fixed in the first lining cutting in tunnel with gunite concrete, it not only effectively improves the stability of arched tunnel, integrally-built stability status is also monitored by the stress that acquires rock mass and displacement information.Cover sheet is secured by bolts in the concrete on the outside of tunnel wall; protection cap had not only protected spiral winding but also had limited the position of spiral winding; pedestal protection sleeve pipe can effectively protect spiral winding; simultaneously hollow structure is provided for anchor pole; it can make anchor pole in protective case in-pipe, finally ensure the accuracy that anchor pole second end present position rock displacement measures.
Description
Technical field
The present invention relates to technical field of tunnel construction more particularly to a kind of intelligence for being suitable for protecting and measuring Tunnel Stability
It can anchor pole.
Background technology
Country rock anchoring is mostly carried out using traditional common bolt during constructing tunnel at this stage, during practice of construction,
This method can not meet the monitoring requirements of stability parameter.Some inventions install sensor additional directly on anchor pole and carry out parameter prison
It surveys, institute's gathered data accuracy is to be improved, and cannot measure the displacement of anchor rod anchored position and two kinds of parameters of stress simultaneously.
Invention content
The present invention provides a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability, and technical solution is as follows：
A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability, including：Anchor pole, protection sleeve pipe, support disk,
Cover sheet, spiral winding, grating fibers strain gauge, iron core and data line.
Disc centre setting through-hole is supported, anchor pole periphery is sleeved on, the outer of disk is supported to be contacted with protection sleeve pipe inner wall, anchor
The first end of bar is fixedly connected with the first end of iron core, and the second end of anchor pole exposes protection sleeve pipe, and the second end of iron core stretches into spiral shell
Coil inside is revolved, spiral winding includes coil body and coil base, and cover sheet setting is for the circular hole I that cable passes through with using
In the circular hole II that bolt passes through, data line is electrically connected with spiral winding, grating fibers strain gauge.
Further, the second end of anchor pole is bifurcation structure, and cross-sectional area is more than the cross-sectional area of first end.
Further, the quantity of disk is supported to be at least 2.
Further, the position setting through-hole of protection sleeve pipe wall surface installation grating fibers strain gauge.
Further, the cable jacket for protecting data line is set in coil base.
Further, protection sleeve pipe inner wall stationary positioned plate, the positioning plate setting internal diameter circle consistent with coil body outer diameter
Hole.
Intelligent anchor rod is mounted in the hole being drilled in advance in tunnel wall rock mass, is fixed on tunnel wall rock by gunite concrete
Body not only effectively improves the stability of arched tunnel, also detects the stress of rock mass in real time by grating fibers strain gauge, leads to
The cooperation for crossing spiral winding and iron core detects displacement of the rock mass in anchor pole axial direction in real time.Cover sheet is secured by bolts in tunnel
In concrete on the outside of wall, protection cap had not only protected spiral winding but also had limited the position of spiral winding, and pedestal protection sleeve pipe can be effective
Spiral winding is protected on ground, while provides hollow structure for anchor pole, can make anchor pole in protective case in-pipe, finally ensures anchor pole the
The accuracy that two end present position rock displacements measure.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic diagram of the cover sheet of the present invention；
Fig. 3 is schematic diagram of the present invention after installation is complete.
In attached drawing the label of each component for：1- anchor poles, 2- protection sleeve pipes, 3- supports disk, 4- cover sheets, 5- helixes
Circle, 6- grating fibers strain gauge, 7- iron cores, 8- data lines, 9- positioning plates, 41- circular holes I, 42- circular holes II, 51- coil sheets
Body, 52 coil bases 52.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability, including：Anchor pole 1, protective case
Pipe 2, support disk 3, cover sheet 4, spiral winding 5, grating fibers strain gauge 6, iron core 7 and data line 8.
The centrally disposed through-hole of disk 3 is supported, is sleeved on 1 periphery of anchor pole, supports the outer of disk 3 and 2 inner wall of protection sleeve pipe
Contact, the first end of anchor pole 1 are fixedly connected with the first end of iron core 7, and the second end of anchor pole 1 exposes protection sleeve pipe 2, spiral winding
5 include coil body 51 and coil base 52, and the second end of iron core 7 is stretched into inside coil body 51, data line 8 and spiral winding
5th, grating fibers strain gauge 6 is electrically connected, as shown in Fig. 2, the setting of cover sheet 4 is for the circular hole I 41 that cable passes through and use
In the circular hole II 2 that bolt passes through.
As shown in figure 3, intelligent anchor rod is mounted in the hole being drilled in advance in tunnel wall rock mass, fixed by gunite concrete
In tunnel wall rock mass, the stability of arched tunnel is not only effectively improved, rock is also detected by grating fibers strain gauge in real time
The stress of body detects displacement of the rock mass in anchor pole axial direction in real time by the cooperation of spiral winding and iron core.Cover sheet passes through spiral shell
Bolt is fixed in the concrete on the outside of tunnel wall, and protection cap had not only protected spiral winding but also limited the position of spiral winding, and pedestal is protected
Protecting pipe can effectively protect spiral winding, while provide hollow structure for anchor pole, can make anchor pole in protective case in-pipe, most
The accuracy that anchor pole second end present position rock displacement measures is ensured eventually.
Further, the second end of anchor pole 1 is bifurcation structure, and cross-sectional area is more than the cross-sectional area of the first end of anchor pole 1.
The big reliability that can ensure anchoring of second end cross-sectional area, and accurate response rock displacement.
Further, the quantity of support disk 3 is no less than 2.During installation intelligent anchor rod and gunite concrete, make
Be conducive to position of the anchor pole in protection sleeve pipe with no less than 2 support disks to stablize, it is ensured that the accurate anchor pole that obtains is relative to tunnel
The angle of road wall, the accuracy for subsequent Measurement and Data Processing result lay the foundation.
Further, the position setting through-hole of 2 wall surface of protection sleeve pipe installation grating fibers strain gauge 6.The through-hole is used
It is passed through in the data line being connect with strain gauge, is that data line is in protection sleeve pipe, avoid installation intelligent anchor rod and injection
Damage data line during concrete.
Further, as shown in Figure 1, setting the cable jacket 53 for protecting data line in coil base 52.Cable protects
Set is conducive to protect data line bending damage, it is often more important that and spiral winding passes through the circular hole I of cover sheet by cable jacket,
Prevent in installation process that cover sheet is excessively at random with spiral winding, be easily installed, and it is detachable, replace, spiral winding is one
It completes to move to other places use after measuring mission at place's intelligent anchor rod, it is cost-effective.
Further, 5 inner wall stationary positioned plate 9 of protection sleeve pipe, positioning plate 9 set internal diameter consistent with 51 outer diameter of coil body
Circular hole.Positioning plate and cover sheet are tightly attached to coil base both ends, ensure installation rear screw coil axis every time and iron core
Position relationship is stablized, and the positioning plate setting bore circular hole consistent with coil body outer diameter causes spiral winding axis and anchor pole axis
It coincide more preferably, ensures measurement accuracy.
Also for cover sheet be equipped with bolts and nuts, nut insertion rock mass in tunnel on the outside of gunite concrete in, bolt with
Nut cooperation is fixed and positioning cover sheet, cover sheet limit the position of spiral winding with positioning plate cooperation, and easy to disassemble
With installing spiral winding.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability, which is characterized in that including：Anchor pole (1), protective case
Manage (2), support disk (3), cover sheet (4), spiral winding (5), grating fibers strain gauge (6), iron core (7) and data
Line (8)；
The support disk (3) sets central through hole, is sleeved on the anchor pole (1) periphery, the outer of the support disk (3) and institute
The inner wall contact of protection sleeve pipe (2) is stated, the first end of the anchor pole (1) is fixedly connected with the first end of the iron core (7), described
The second end of anchor pole (1) is located at the outside of the protection sleeve pipe (2), and the spiral winding (5) includes coil body (51) and line
Pedestal (52) is enclosed, the second end of the iron core (7) stretches into the coil body (51) inside, the data line (8) and the spiral shell
Spin line circle (5), grating fibers strain gauge (6) electrical connection, the circular hole I that cover sheet (4) setting passes through for cable
(41) circular hole II (2) with being passed through for bolt.
2. a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability according to claim 1, which is characterized in that
The cross-sectional area of the second end of the anchor pole (1) is more than the cross-sectional area of the first end of anchor pole (1).
3. a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability according to claim 2, which is characterized in that
The quantity of the support disk (3) is at least 2.
4. a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability according to claim 3, which is characterized in that
Protection sleeve pipe (2) wall surface installs the position setting through-hole of the grating fibers strain gauge (6).
5. a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability according to claim 4, which is characterized in that
Setting is for the cable jacket (53) for protecting data line (8) on the coil base (52).
6. a kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability according to claim 5, which is characterized in that
Protection sleeve pipe (5) the inner wall stationary positioned plate (9), positioning plate (9) the setting internal diameter and the coil body (51) outer diameter
Consistent circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080620.9A CN108150209A (en) | 2018-01-28 | 2018-01-28 | A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080620.9A CN108150209A (en) | 2018-01-28 | 2018-01-28 | A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150209A true CN108150209A (en) | 2018-06-12 |
Family
ID=62459058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810080620.9A Pending CN108150209A (en) | 2018-01-28 | 2018-01-28 | A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150209A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709588A (en) * | 2018-07-23 | 2018-10-26 | 山西大同大学 | A kind of multi-parameter monitoring devices and preparation method thereof for roadway surrounding rock |
| CN109681251A (en) * | 2018-12-30 | 2019-04-26 | 中国电建集团华东勘测设计研究院有限公司 | Full face tunneling weak soil tunnel face glass fibre Soil Anchor Design method |
| CN110486067A (en) * | 2019-09-09 | 2019-11-22 | 中交路桥建设有限公司 | A kind of gas tunnel system anchor bolt and the safe construction method of anchor pole detection |
| CN111236995A (en) * | 2020-01-14 | 2020-06-05 | 东南大学 | Hollow basalt fiber anchor rod system based on FBG technology and construction method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090269159A1 (en) * | 2006-11-10 | 2009-10-29 | Atlas Copco Mai Gmbh | Improved sliding anchor |
| CN202033140U (en) * | 2011-03-23 | 2011-11-09 | 闫慧 | Three dimensional stress collector |
| CN103454021A (en) * | 2013-08-15 | 2013-12-18 | 中国矿业大学 | Roadway surrounding rock stress monitoring device based on fiber bragg grating sensing |
| CN203519230U (en) * | 2013-10-08 | 2014-04-02 | 中国矿业大学 | Coal-rock mass stress directional monitoring device |
| CN104121845A (en) * | 2014-08-12 | 2014-10-29 | 大连海事大学 | Rock mass displacement monitoring device and rock mass displacement prediction method |
| CN204064227U (en) * | 2014-08-12 | 2014-12-31 | 大连海事大学 | A kind of rock displacement monitoring device |
| CN204964080U (en) * | 2015-05-21 | 2016-01-13 | 昆明理工大学 | Side slope stock stress measuring transducer based on optic fibre bragg grating |
| CN106225818A (en) * | 2016-07-15 | 2016-12-14 | 东南大学 | A kind of single-point temperature compensation multifunctional intellectual anchor pole and installation distribution method thereof |
| CN107630711A (en) * | 2017-10-25 | 2018-01-26 | 中国矿业大学(北京) | A kind of roadway surrounding rock stress and the monitoring device and method of displacement |
| CN207989060U (en) * | 2018-01-28 | 2018-10-19 | 大连海事大学 | A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability |
-
2018
- 2018-01-28 CN CN201810080620.9A patent/CN108150209A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090269159A1 (en) * | 2006-11-10 | 2009-10-29 | Atlas Copco Mai Gmbh | Improved sliding anchor |
| CN202033140U (en) * | 2011-03-23 | 2011-11-09 | 闫慧 | Three dimensional stress collector |
| CN103454021A (en) * | 2013-08-15 | 2013-12-18 | 中国矿业大学 | Roadway surrounding rock stress monitoring device based on fiber bragg grating sensing |
| CN203519230U (en) * | 2013-10-08 | 2014-04-02 | 中国矿业大学 | Coal-rock mass stress directional monitoring device |
| CN104121845A (en) * | 2014-08-12 | 2014-10-29 | 大连海事大学 | Rock mass displacement monitoring device and rock mass displacement prediction method |
| CN204064227U (en) * | 2014-08-12 | 2014-12-31 | 大连海事大学 | A kind of rock displacement monitoring device |
| CN204964080U (en) * | 2015-05-21 | 2016-01-13 | 昆明理工大学 | Side slope stock stress measuring transducer based on optic fibre bragg grating |
| CN106225818A (en) * | 2016-07-15 | 2016-12-14 | 东南大学 | A kind of single-point temperature compensation multifunctional intellectual anchor pole and installation distribution method thereof |
| CN107630711A (en) * | 2017-10-25 | 2018-01-26 | 中国矿业大学(北京) | A kind of roadway surrounding rock stress and the monitoring device and method of displacement |
| CN207989060U (en) * | 2018-01-28 | 2018-10-19 | 大连海事大学 | A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709588A (en) * | 2018-07-23 | 2018-10-26 | 山西大同大学 | A kind of multi-parameter monitoring devices and preparation method thereof for roadway surrounding rock |
| CN108709588B (en) * | 2018-07-23 | 2023-09-08 | 山西大同大学 | Multi-parameter monitoring device for roadway surrounding rock and preparation method thereof |
| CN109681251A (en) * | 2018-12-30 | 2019-04-26 | 中国电建集团华东勘测设计研究院有限公司 | Full face tunneling weak soil tunnel face glass fibre Soil Anchor Design method |
| CN110486067A (en) * | 2019-09-09 | 2019-11-22 | 中交路桥建设有限公司 | A kind of gas tunnel system anchor bolt and the safe construction method of anchor pole detection |
| CN111236995A (en) * | 2020-01-14 | 2020-06-05 | 东南大学 | Hollow basalt fiber anchor rod system based on FBG technology and construction method |
| CN111236995B (en) * | 2020-01-14 | 2021-08-24 | 东南大学 | Hollow basalt fiber anchor rod system based on FBG technology and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108150209A (en) | A kind of intelligent anchor rod for being suitable for protecting and measuring Tunnel Stability | |
| CN207989060U (en) | A kind of intelligent anchor rod being suitable for protecting and measuring Tunnel Stability | |
| CN104764801A (en) | Magnetic leakage corrosion track detector for inner wall of pipeline | |
| CN200975926Y (en) | Steel strand pulling force detector | |
| CN102175359A (en) | Passive magnetism monitoring method and device for wire rope/rod component stress | |
| CN204536267U (en) | Inner-walls of duct flux leakage corrosion footpath detecting device | |
| CN106320367A (en) | Prestress rock anchor rod foundation with anchor rods capable of being replaced | |
| CN203310382U (en) | Concrete freeze-thaw expansion strain monitoring fiber sensor | |
| CN111910696A (en) | Hollow support pile stress meter fixing structure and mounting method thereof | |
| CN1979108A (en) | Steel twisted-line tension-force measuring device | |
| CN105863701A (en) | Anchor rod sensor | |
| CN205958151U (en) | Immersed tube tunnel PC cable measuring stress device | |
| CN206814151U (en) | A kind of band peep hole hand-rail type cable winding-unwinding device | |
| CN212779687U (en) | Horizontal supporting device for foundation pit model | |
| CN206128111U (en) | Prestressed rock stock basis of removable stock | |
| CN214748590U (en) | Cable gravity sensor | |
| CN200993609Y (en) | Multi-anchorage non-bonded prestressed anchorage cable system forcing monitoring device | |
| CN212621853U (en) | Cable head connecting device for submarine cable tension bending test | |
| CN102966217A (en) | Vibration wire type pre-stress force measurement anchor | |
| CN208459608U (en) | A kind of micro-earthquake monitoring system | |
| CN111854689A (en) | Soil body layered settlement testing device and method based on multi-point continuous grating | |
| CN107366313B (en) | Burying method of inclinometer pipe | |
| CN111827371A (en) | Internal force measuring method for steel structure foundation pit fender pile | |
| CN112393766A (en) | Soil state monitoring system and distributed optical fiber probe rod | |
| CN202582815U (en) | Detection device for bridge cable damage situation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |