CN108678790A - A kind of frictional drainage anchor rod of fibrous material - Google Patents
A kind of frictional drainage anchor rod of fibrous material Download PDFInfo
- Publication number
- CN108678790A CN108678790A CN201810703477.4A CN201810703477A CN108678790A CN 108678790 A CN108678790 A CN 108678790A CN 201810703477 A CN201810703477 A CN 201810703477A CN 108678790 A CN108678790 A CN 108678790A
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- Prior art keywords
- drainage
- anchor rod
- anchor
- fibrous material
- frictional
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- 239000002657 fibrous material Substances 0.000 title claims abstract description 47
- 238000004880 explosion Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000004873 anchoring Methods 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims description 11
- 238000007596 consolidation process Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 17
- 238000007569 slipcasting Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 241001516538 Terebrantia Species 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000007769 metal material Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004836 empirical method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000001226 toe joint Anatomy 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- 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
- E21D21/0006—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by the bolt material
-
- 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
- E21D21/0013—Protection against corrosion
-
- 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
- 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
-
- 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
- E21D21/0073—Anchoring-bolts having an inflatable sleeve, e.g. hollow sleeve expanded by a fluid
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of frictional drainage anchor rods of fibrous material, belong to bolt support technology field.Including anchoring end, drainage film, inlet opening, Fiber Materials anchor rod body, explosion cone, the closely knit circle of elastic rubber, round serration joint, steel pipe dilatancy anchor pole, hollow osculum and rigid protection sleeve；The anchoring end is structure as a whole with Fiber Materials anchor rod body, and anchoring end is entity structure, and inlet opening is uniformly distributed on Fiber Materials anchor rod body and drainage film, and drainage film is surrounded on the outside of hollow osculum；The outer of explosion cone is surrounded with the closely knit circle of elastic rubber, the terebrantia that bursts is equipped with round serration joint, in the outside of elastic rubber closely knit circle and round serration joint, it is cased with rigid protection sleeve, anchor pole proposed by the present invention with drain function outstanding to Tunnel Gushing with prevention effect, good filtration also can carry out slip casting to anchor bar body, the position of water flowing in country rock is filled, in time deformation controlling for rock surrounding gateways.
Description
Technical field
The invention belongs to bolt support technology fields, more particularly to a kind of frictional drainage anchor rod of fibrous material.
Background technology
With the development of the social economy, the especially quick expansion of the expansion and city function at full speed of China's urban population,
So that city can dominate, land used is more and more nervous, and the development in city promotes the utilization to urban underground space, therefore, two
Eleventh century will be the century of " underground space " exploitation.Member of Chinese Academy of Engineering Wang Meng pardon points out, " 21st century be tunnel and
The age of underground space great development, the research and development to underground space field are extremely important ".Chinese engineering
Institute academician Qian Qihu academician also indicates that " city is developed to three dimensions " " wants soil to underground, space is wanted to have become city
The historical inevitability of development ".In terms of Application in Underground Space, removes except pipe gallery, should most widely count tunnel（The present invention will
Tunnel is referred to as tunnel with tunnel）With underground station.Tunnel is built up in up to ten thousand, regardless of passing with mining method construction in existing China
System Mining Method or New Austrian Tunneling Method all be unable to do without bolt support technology.
Anchor pole is the most basic component part of roadway support in contemporary tunnel construction, by the surrounding rock consolidation in tunnel one
It rises, makes country rock itself supporting itself.Present anchor pole is applied not only to mine, is also used in Other Engineering technology, such as slope project,
Tunnel Engineering and dam body engineering etc., side slope, tunnel, dam body carry out main body reinforcing.Anchor pole as the tensional element for going deep into stratum,
Its one end is connect with engineering structure, and the other end gos deep into stratum, and whole anchor pole is divided into free segment and anchoring section, and free segment refers to
Pulling force at anchor pole head is reached to the region of anchoring body, function is to apply prestressing force to anchor pole.
Anchor pole is according to whether there is or not prestressing force can be divided into prestressed anchor and non-prestressed anchor pole；According to basic anchoring type, anchor
Bar can be divided into end anchorage and overall length perfusion anchor pole；It is divided according to injecting paste material, resin anchor and anchor rod with cement mortar can be divided into
Deng ... this patent is divided into slip casting anchor stock and frictional anchor according to anchor rod body and borehole circumference country rock contact condition, by anchor pole
Bar, the former is contacted by grouting layer with country rock；The latter is then that anchor pole is in direct contact with country rock.
From 1912, since German Xie Liezi mines use suspension roof support underworkings at first, suspension roof support was with the letter of its structure
Singly, the features such as easy for construction, at low cost and strong to engineering adaptability, in civil engineering（Including mining engineering）In obtained extensively
Using.Such as century engineering --- the Three Gorges Projects in China, a large amount of anchor poles have been used in dam construction（Rope）Safeguard the side excavated
Slope, palisades.For another example in China's coal-mine exploitation, the well lane engineering for the bolt-spary supports newly dug every year is up to 2000 km.But anchor pole
It is undisputable fact that the research of support action theory, which lags behind its engineer application, so that in Design of bolt support, also mostly uses skill
Art requires low, at low cost and the easy engineering analogy of management empirical method.The anchor pole that U.S.'s underground coal mine generally uses is machine
Tool formula anchor pole, this anchor pole is economic and practical, is easy installation, can adhere to some months even several years, the energy during the service life of tunnel
It effectively plays a role, but the application of this anchor pole has limitation.
At abroad, compared to other developed countries, Japan is clearly very outstanding in bolt support technology application aspect,
Japan has done a large number of experiments in terms of promoting mooring rod technique and has worked with data analysis.And it is directed to the different work of various types
Condition designs the different anchor pole of various types, realizes the functionalization of anchor pole, commercialization, and the construction for anchor pole refines, and has
Unified management method and suggestion《Constructing tunnel manages main points》（2013.07）.There are three types of the modes for improving suspension roof support performance,
Improve the attachment rigidity of anchor pole（Intensity）Or shear rigidity（Intensity）Or the two improves simultaneously.In Japan, nowadays undulation degree
The anchor pole of material is in attachment rigidity（Intensity）And shear rigidity（Rigidity）The existing test data for surmounting anchor metal of aspect, and
Have and replace the case that the anchor pole of metal material is applied in specific operating mode with new fiber materials, after tunnel is built up, Japan has
Quite complete monitoring data are with the follow-up monitoring and follow-up to fibrous material anchor pole performance.Japan is bold in anchor pole application aspect
Experiment is carefully classified, and existing mooring rod technique application is ripe and is still developing.Frictional rock bolt does not need anchoring material and carries out anchor
Gu directly being anchored using the frictional force of the body of rod and country rock, construction is extremely convenient, for the ZAM anchor poles of Japan, can be used as
The permanent support in tunnel, good corrosion resistance have the advantages that high-strength and high-elongation；And it enriches and excavates for Tunnel Gushing
After obtain reinforcement as early as possible in the case of, Japanese scholars devise high-bearing capacity frictional rock bolt etc..
Currently, the function that many countries in anchor pole application aspect, are also the absence of anchor pole embodies, classification refines, application
Standardization, is not classified operating mode explicitly, and the selection of anchor pole type is then carried out according to operating mode, also lacks anchor pole manufacture
Clear specification and application and management unified management method.Although wider using grouted anchor bar application range, it is directed to lane
Road water burst is abundant or the operating mode of reinforcement as early as possible is intentionally got after excavating, and has when may greatly postpone injecting paste material intensity stabilization
Between, therefore it is totally unfavorable using grouted anchor bar.And in this case according to the anchor pole of metal material, it is also difficult to avoid metal
Material is corroded, and so as to be used as permanent support, is damaged to tunnel environment, causes to damage to roadway support structure
Wound, even causes construction personnel's life security the potential threat of not timing.
To sum up, it is badly in need of being directed to the specific and professional anchor pole of the abundant operating condition design function of water burst.
Invention content
In order to solve above-mentioned technical problem, the present invention proposes a kind of frictional drainage anchor rod of fibrous material, purport
It is to solve the drainage problem in tunnel rich water area, simplifies construction procedure；Compared to existing grouted anchor bar, its adhesive strength is improved
With shear strength；Compared to existing metal material anchor pole, improve its durability and corrosion resistance, anchor pole proposed by the present invention can
Quantization production is carried out, construction cost and time are saved, convenient for anchor pole quality testing and standardization.
The technical solution adopted by the present invention is as follows：
A kind of frictional drainage anchor rod of fibrous material of the present invention, including anchoring end, drainage film, inlet opening, Fiber Materials anchor
Club shaft, explosion cone, the closely knit circle of elastic rubber, round serration joint, steel pipe dilatancy anchor pole, hollow osculum and rigid protection
Sleeve has been seen that anchoring end is structure as a whole with Fiber Materials anchor rod body by direction of insertion shown in figure, and anchoring end is
Entity structure, inlet opening is uniformly distributed on Fiber Materials anchor rod body and drainage film, and drainage film is surrounded on hollow draining
The outside in hole is built in Fiber Materials anchor rod body；Explosion cone front end size is slightly larger than drainage film, and the outer of the cone that bursts surrounds
The flexible closely knit circle of rubber, the terebrantia that bursts are equipped with round serration joint, for being connected with steel pipe dilatancy anchor pole, in elastic rubber
The outside of glue closely knit circle and round serration joint, is cased with rigid protection sleeve.
Further, the Fiber Materials anchor rod body replaces the body of rod of the metal material as anchor pole using fibrous material,
With preferable attachment rigidity and corrosion resistance, permanent support can be used as.
Further, the closely knit circle of the elastic rubber can fill up the gap that explosion cone generates after explosion, is closely knit.
Further, for the round serration joint in the tail portion of explosion cone, connector concave side is designed to zigzag fashion, increases
It with the friction force of steel pipe dilatancy anchor pole junction, can be used for determining the position of steel pipe dilatancy anchor pole, reduce and be expected
Squeeze into the possibility that deviation occurs for steel pipe dilatancy anchor pole position.
Further, drainage film is set in the Fiber Materials anchor rod body, the particulate matters such as sandy and stony soil can be excluded
Outside anchor bar body.
Further, using drainage film as line of demarcation, the water inlet bore dia outside drainage film omits for the inlet opening of the design
More than the diameter of inlet opening in drainage film, and the inlet opening diameter design in drainage film is smaller.
Further, the exterior design rigid protection sleeve of the closely knit circle of the elastic rubber carries out secondary add to junction
Gu.
Further, the Fiber Materials anchor rod body Center is at hollow osculum, not only can to country rock water into
Row forces discharge, after draining, slip casting can be also carried out in hollow osculum.
Further, its section is hollow shape after the rigid expansion anchor rod body of rod is expanded.
Beneficial effects of the present invention：
Advantages and advantages of the invention are proposed anchor poles with drain function outstanding to Tunnel Gushing with preventing
Effect has preferably attachment rigidity, and compared to the durability that anchor pole can be improved in metal material, fibrous material, which has, widely to be come
Source can save construction cost；Compared to traditional segmented anchor pole, the offset deviation of subsection anchor rod junction can be reduced, subtracted
Few construction procedure, without secondary positioning and calibration；Good filtration simultaneously also may be used after playing anchor bar body drain function
Slip casting is carried out to anchor bar body, the position of water flowing in country rock is filled, in time deformation controlling for rock surrounding gateways, for constructing tunnel
In advance support and the processes such as foot's reinforcement have the effect of stratum reinforcement.
Description of the drawings
Fig. 1 is a kind of frictional drainage anchor rod schematic diagram of fibrous material of the present invention.
Fig. 2 is a kind of cross-sectional view of the fiber anchor rod body of rod of the present invention.
In figure, 1 is anchoring end；2 be drainage film；3 be inlet opening；4 be Fiber Materials anchor rod body；5 be explosion cone；
6 be the closely knit circle of elastic rubber；7 be round serration joint；8 be steel pipe dilatancy anchor pole；9 be hollow osculum；10 is anti-for rigidity
Pretective sleeve pipe.
Specific implementation mode
The present invention is described in further detail in the following with reference to the drawings and specific embodiments：
Embodiment：As Figure 1-Figure 2, a kind of frictional drainage anchor rod of fibrous material of the present invention is thin including anchoring end 1, drainage
Film 2, inlet opening 3, Fiber Materials anchor rod body 4, explosion cone 5, the closely knit circle 6 of elastic rubber, round serration joint 7, steel pipe expansion
Property anchor pole 8, hollow osculum 9 and rigid protection sleeve 10, seen by direction of insertion shown in figure, anchored end 1 and fiber
Material anchor rod body 4 is structure as a whole, and anchoring end 1 is entity structure, and inlet opening 3 is uniformly distributed in Fiber Materials anchor rod body
4 and drainage film 2 on, drainage film 2 is surrounded on the outside of hollow osculum 9, is built in Fiber Materials anchor rod body 4；It is quick-fried
It splits 5 front end sizes of cone and is slightly larger than drainage film 2, the outer of explosion cone 5 is surrounded with the closely knit circle 6 of elastic rubber, and 5 tail portions of explosion cone are equipped with
Round serration joint 7, for and steel pipe dilatancy anchor pole 8 be connected, in the outer of the closely knit circle 6 of elastic rubber and round serration joint 7
Side is cased with rigid protection sleeve 10.
The component part for the anchor pole that this patent is previously mentioned first can be prefabricated according to actual condition by factory.Anchor pole it is basic
Length is 4m, according to the difference of function, is freely combined by the length of Fiber Materials anchor rod body 4 and steel pipe dilatancy anchor pole 8, fine
The length for tieing up material anchor rod body 4 is 1m ~ 3m, and the length of steel pipe dilatancy anchor pole 8 is 1m ~ 4m；First by Fiber Materials anchor pole bar
Body 4 is squeezed into inside country rock, then explosion cone 5 is squeezed into the tail portion of Fiber Materials anchor rod body 4, after 5 explosion of explosion cone, generation
Gap 6 is filled up by the closely knit circle of elastic rubber, is closely knit；The front end of subsequent steel pipe dilatancy anchor pole 8 and circular saw toe joint
First 7 are precisely connected, while rigid protection sleeve 10 being inserted in, and check and consolidation process, subsequent steel are carried out to connecting portion
After tube swelling anchor pole 8 expands, that is, the frictional force with country rock interaction is generated, generates supporting effect in time or stratum reinforcement is made
With；If to carry out slip casting to the anchor pole, can be carried out in hollow osculum 9 after Fiber Materials anchor rod body 4 squeezes into country rock
Slip casting, after slip casting, then by explosion cone 5, the closely knit circle 6 of elastic rubber and round serration joint 7 according to method as above
Steel pipe dilatancy anchor pole 8 is attached, after connection, according still further to conventional grouting method to the steel pipe dilatancy anchor pole 8 after expansion
Slip casting is carried out, is finally blocked closely knit.
As Figure 1-Figure 2, the Fiber Materials anchor rod body 4 replaces metal material as anchor pole using fibrous material
The body of rod has preferably attachment rigidity and corrosion resistance, can be used as permanent support；It is thin that drainage is set in Fiber Materials anchor rod body 4
Film 2 can exclude the particulate matters such as sandy and stony soil outside anchor bar body；Inlet opening 3 is line of demarcation with drainage film 2, outside drainage film 2
3 diameter of inlet opening slightly larger than inlet opening 3 in drainage film 2 diameter, and 3 diameter design of inlet opening in drainage film 2 compared with
It is small.
As shown in Figure 1, the circle serration joint 7 is in the tail portion of explosion cone 5, connector concave side is designed to zigzag fashion,
Increase the friction force with 8 junction of steel pipe dilatancy anchor pole, can be used for determining the position of steel pipe dilatancy anchor pole 8, subtract
The possibility that deviation occurs for 8 position of steel pipe dilatancy anchor pole is squeezed into small expection；The exterior design of the closely knit circle of elastic rubber 6 is rigidly anti-
Pretective sleeve pipe 10 carries out second consolidation to junction；Its section is hollow shape after the rigid expansion anchor rod body of rod 8 is expanded.
As shown in Fig. 2, 4 Center of Fiber Materials anchor rod body is at hollow osculum 9, it not only can be to country rock water
Pressure discharge is carried out, after draining, slip casting can be also carried out in hollow osculum 9.
Claims (6)
1. a kind of frictional drainage anchor rod of fibrous material, it is characterised in that including：Including anchoring end（1）, drainage film（2）、
Inlet opening（3）, Fiber Materials anchor rod body（4）, explosion cone（5）, the closely knit circle of elastic rubber（6）, round serration joint（7）, steel
Tube swelling anchor pole（8）, hollow osculum（9）With rigid protection sleeve（10）, seen, anchored by direction of insertion shown in figure
End（1）With Fiber Materials anchor rod body（4）It is structure as a whole, anchors end（1）For entity structure, inlet opening（3）Uniform cloth
Set on Fiber Materials anchor rod body（4）With drainage film（2）On, drainage film（2）It is surrounded on hollow osculum（9）Outside,
It is built in Fiber Materials anchor rod body（4）In；Explosion cone（5）Front end size is slightly larger than drainage film（2）, explosion cone（5）It is outer
It is surrounded with the closely knit circle of elastic rubber（6）, explosion cone（5）Tail portion is equipped with round serration joint（7）, it is used for and steel pipe dilatancy anchor pole
（8）Linking, in the closely knit circle of elastic rubber（6）With round serration joint（7）Outside, be cased with rigid protection sleeve（10）.
2. a kind of frictional drainage anchor rod of fibrous material as described in claim 1, it is characterised in that：Fiber Materials anchor rod body
（4）The body of rod using fibrous material as anchor pole.
3. a kind of frictional drainage anchor rod of fibrous material as described in claim 1, it is characterised in that：Round serration joint（7）
It is bored in explosion（5）Tail portion, connector concave side is designed to zigzag fashion.
4. a kind of frictional drainage anchor rod of fibrous material as described in claim 1, it is characterised in that：The inlet opening of design（3）
With drainage film（2）For line of demarcation, drainage film（2）Outer inlet opening（3）Diameter is slightly larger than drainage film（2）Interior inlet opening
（3）Diameter, and drainage film（2）Interior inlet opening（3）Diameter design is smaller.
5. a kind of frictional drainage anchor rod of fibrous material as described in claim 1, it is characterised in that：The closely knit circle of elastic rubber
（6）Exterior design rigid protection sleeve（10）, second consolidation is carried out to junction.
6. a kind of frictional drainage anchor rod of fibrous material as described in claim 1, it is characterised in that：The rigid expansion anchor rod body of rod
（8）Its section is hollow shape after expanded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703477.4A CN108678790A (en) | 2018-07-01 | 2018-07-01 | A kind of frictional drainage anchor rod of fibrous material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703477.4A CN108678790A (en) | 2018-07-01 | 2018-07-01 | A kind of frictional drainage anchor rod of fibrous material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678790A true CN108678790A (en) | 2018-10-19 |
Family
ID=63812750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810703477.4A Withdrawn CN108678790A (en) | 2018-07-01 | 2018-07-01 | A kind of frictional drainage anchor rod of fibrous material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678790A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578035A (en) * | 2018-11-06 | 2019-04-05 | 四川路航建设工程有限责任公司 | Steel pipe draining lock foot stake and construction method |
| CN111485928A (en) * | 2020-04-24 | 2020-08-04 | 河南城建学院 | Construction is with preventing watertight fittings that collapses |
| CN112901265A (en) * | 2021-03-18 | 2021-06-04 | 西安建筑科技大学 | Tunnel drainage device and method for frozen soil area |
| CN114086552A (en) * | 2021-11-05 | 2022-02-25 | 常州工学院 | Anchor bolt supporting device suitable for sandy soil field |
-
2018
- 2018-07-01 CN CN201810703477.4A patent/CN108678790A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578035A (en) * | 2018-11-06 | 2019-04-05 | 四川路航建设工程有限责任公司 | Steel pipe draining lock foot stake and construction method |
| CN109578035B (en) * | 2018-11-06 | 2024-04-30 | 四川路航建设工程有限责任公司 | Steel pipe drainage lock foot pile and construction method |
| CN111485928A (en) * | 2020-04-24 | 2020-08-04 | 河南城建学院 | Construction is with preventing watertight fittings that collapses |
| CN111485928B (en) * | 2020-04-24 | 2022-03-25 | 河南城建学院 | Construction is with preventing watertight fittings that collapses |
| CN112901265A (en) * | 2021-03-18 | 2021-06-04 | 西安建筑科技大学 | Tunnel drainage device and method for frozen soil area |
| CN112901265B (en) * | 2021-03-18 | 2023-02-28 | 西安建筑科技大学 | Tunnel drainage device and method for frozen soil area |
| CN114086552A (en) * | 2021-11-05 | 2022-02-25 | 常州工学院 | Anchor bolt supporting device suitable for sandy soil field |
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