CN113586112A - Non-grouting anchor rod structure and construction method thereof - Google Patents
Non-grouting anchor rod structure and construction method thereof Download PDFInfo
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- CN113586112A CN113586112A CN202110840446.5A CN202110840446A CN113586112A CN 113586112 A CN113586112 A CN 113586112A CN 202110840446 A CN202110840446 A CN 202110840446A CN 113586112 A CN113586112 A CN 113586112A
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- anchor rod
- anchoring
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- rod
- stock
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000004873 anchoring Methods 0.000 claims abstract description 86
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 238000007569 slipcasting Methods 0.000 claims abstract description 8
- 238000005553 drilling Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- 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
- E21D21/0066—Anchoring-bolts formed by a bundle of radially arranged rigid elements
-
- 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
- E21D21/008—Anchoring or tensioning means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- 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)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application relates to a non-slip casting stock structure and a construction method thereof, the non-slip casting stock structure comprises a stock body, a plurality of anchoring pieces are fixedly sleeved on the stock body, each anchoring piece comprises a first anchoring rod, the first anchoring rod is hinged with the stock body, elastic pieces are arranged between the first anchoring rods and the stock body, each anchoring piece further comprises a plurality of second anchoring rods, the second anchoring rods are fixedly arranged on one side, away from the stock body, of the first anchoring rods, and the second anchoring rods are obliquely arranged towards the insertion ends of the stock body. This application has the efficiency of construction that improves the stock, shortens the construction cycle of stock, environmental protection and energy saving's effect.
Description
Technical Field
The application relates to the field of anchor rods, in particular to a non-grouting anchor rod structure and a construction method thereof.
Background
The anchor bolt support is a reinforcing support mode adopted in surface engineering such as side slopes, rock-soil deep foundation pits and the like and basement construction such as tunnels, stopes and the like.
At present, common anchor rods are required to be grouted with cement paste, and after the common anchor rods are grouted, the common anchor rods need to be tensioned after a period of time (5-7 days) until the strength of the cement paste reaches 75% of the designed strength, so that the construction period is prolonged, and the construction efficiency is reduced. Meanwhile, the cement paste can also have pollution influence on underground soil.
Aiming at the related technologies, the inventor thinks that the defects of long construction period, low construction efficiency and environmental pollution of the existing anchor rod exist.
Disclosure of Invention
In order to improve the construction efficiency of the side slope anchor rod and shorten the construction period of the anchor rod, the application provides a non-grouting anchor rod structure and a construction method thereof.
In a first aspect, the present application provides a non-grouting anchor rod structure, which adopts the following technical scheme:
the utility model provides a non-slip casting stock structure, includes the stock body, fixed cover is equipped with a plurality of anchor assembly on the stock body, anchor assembly includes first anchor rod, first anchor rod with the stock body is articulated, just first anchor rod tail end orientation stock body tail end sets up, first anchor rod with still be provided with the elastic component between the stock body.
By adopting the technical scheme, the anchoring piece is arranged on the anchor rod body, when the anchor rod is tensioned, the first anchoring rod is anchored into the hole wall, the elastic piece plays a role in drawing the first anchoring rod, the first anchoring rod can be fixed in the hole wall, the anchoring piece can play an anchoring role, an anchor rod anchoring section formed by grouting is replaced, the construction efficiency of the anchor rod is improved, and the construction period of the anchor rod is shortened; in addition, the application does not need grouting, reduces pollution and has great significance for green construction.
Optionally, the anchoring member further includes a plurality of second anchoring rods, and the second anchoring rods are fixedly arranged on one side of the first anchoring rod far away from the anchor rod body.
Through adopting above-mentioned technical scheme, back in the second anchor goes into the pore wall, when carrying out stretch-draw to the stock, second anchor can receive reaction force, makes first anchor be convenient for more anchor go into the pore wall.
Optionally, the second anchoring rod is arranged to be inclined towards the insertion end far away from the anchor rod body.
Through adopting above-mentioned technical scheme, the slope of second anchor pole sets up, and the reaction force that can make second anchor pole receive is more reasonable, is convenient for more make first anchor pole anchor go into in the pore wall.
Optionally, the stock body is made for the reinforcing bar, fixed cover is equipped with a plurality of collars on the stock body, first anchor rod with the collar is articulated.
Through adopting above-mentioned technical scheme, through the first anchor pole of collar installation, the mounting means is simple, is convenient for process the stock.
Optionally, inclined planes are arranged at one ends, far away from the anchor rod body, of the first anchoring rod and the second anchoring rod.
Through adopting above-mentioned technical scheme, the inclined plane can make first anchor pole and second anchor pole be convenient for more anchor in the pore wall.
Optionally, the first anchoring rod is sequentially increased from the insertion end to the tail end of the anchor rod body.
Through adopting above-mentioned technical scheme, the first anchor pole atress that is close to stock body tail end is bigger, and first anchor pole is increased to the tail end in proper order by the end of inserting of stock body, can make first anchor pole anchor more firm.
Optionally, the distance between adjacent anchoring members decreases from the insertion end to the trailing end of the anchor body.
Through adopting above-mentioned technical scheme, anchor assembly encrypts gradually, can make the stock anchor more firm.
In a second aspect, the present application provides a construction method for a non-grouting anchor rod structure, which adopts the following technical scheme:
a construction method of a non-grouting anchor rod structure comprises the following steps:
s1, drilling: drilling holes on the side slope by using a drilling machine;
s2, mounting an anchor rod: inserting an anchor body into the borehole;
s3, tensioning: and tensioning the anchor rod, and anchoring the first anchoring rod and the second anchoring rod into the hole wall.
By adopting the technical scheme, the construction steps are simple, the construction is convenient, the efficiency of anchor rod construction can be improved, and the construction period of the anchor rod is shortened.
Optionally, after drilling is completed, a protective cylinder is installed in the drill hole, and the outer wall of the protective cylinder is abutted to the wall of the drill hole.
Through adopting above-mentioned technical scheme, insert in the drilling and protect a section of thick bamboo, when inserting the stock, first anchor pole and second anchor pole are contradicted on protecting a section of thick bamboo inner wall, do not contact with the pore wall, make the stock insert more convenient.
Optionally, after the anchor rod body is installed, the casing is taken out of the drilled hole.
Through adopting above-mentioned technical scheme, will protect a section of thick bamboo recovery, used repeatedly can practice thrift construction cost.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the anchoring piece on the anchor rod body, when the anchor rod is tensioned, the first anchoring rod is anchored into the hole wall, the elastic piece plays a role in drawing the first anchoring rod, so that the first anchoring rod can be fixed in the hole wall, the anchoring piece can play an anchoring role, an anchor rod anchoring section formed by grouting is replaced, the construction efficiency of the anchor rod is improved, and the construction period of the anchor rod is shortened; in addition, grouting is not needed, pollution is reduced, and the method has great significance for green construction;
2. after the second anchoring rod is anchored into the hole wall, when the anchor rod is tensioned, the second anchoring rod can bear a reaction force, so that the first anchoring rod is more convenient to be anchored into the hole wall;
3. the second anchor rod is obliquely arranged, so that the reaction force received by the second anchor rod is more reasonable, and the first anchor rod is more conveniently anchored into the hole wall.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present application.
Fig. 2 is a schematic view of the installation anchor rod of the embodiment of the application.
Fig. 3 is a schematic view of the installation anchor rod of the embodiment of the application.
Fig. 4 is a schematic view of a bolt anchor of an embodiment of the present application being anchored in a bore wall.
Description of reference numerals: 1. an anchor body; 2. an anchoring member; 21. a mounting ring; 211. a groove; 22. a first anchor rod; 23. an elastic member; 24. a second anchor rod; 3. protecting the cylinder; 4. side slope; 41. and (6) drilling.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses non-slip casting stock structure. Referring to fig. 1, a non-slip casting anchor rod structure includes an anchor rod body 1, a plurality of anchoring members 2 are installed on the anchor rod body 1, and the anchoring members 2 can be anchored in a hole wall, and then the anchor rod body 1 is tensioned, so that the anchor rod body 1 is tensioned.
Referring to fig. 1 and 2, the anchor rod body 1 is made of steel bars, a plurality of mounting rings 21 are fixedly sleeved on the anchor rod body 1, the mounting rings 21 are circular rings, the mounting rings 21 are sleeved on the anchor rod body 1, the mounting rings 21 are welded with the anchor rod 1, and the mounting rings 21 are fixed on the anchor rod body 1. The anchoring piece 2 is arranged on the mounting rings 21, the distance between every two adjacent mounting rings 21 is gradually reduced from the insertion end of the anchor body 1 inserted into the side slope to the tail end far away from the insertion end, so that the anchoring piece 2 is gradually encrypted, the anchor is more stably anchored in a drilled hole, the anchoring piece 2 comprises a first anchoring rod 22 and a second anchoring rod 24, the first anchoring rod 22 and the second anchoring rod 24 are made of steel bars, the bottom surfaces of the mounting rings 21 are provided with two grooves 211, the two grooves 211 are arranged oppositely, one end of the first anchoring rod 22 is arranged in the groove 211 in a penetrating mode and hinged into the groove 211 through a rotating shaft; a plurality of first anchoring rods 22 are arranged, and the first anchoring rods 22 are uniformly arranged around the mounting ring 21 at intervals in the circumferential direction; the first anchoring rod 22 from the inserting end to the tail end of the anchor rod body 1 gradually increases, so that the first anchoring rod 22 with larger stress close to the tail end of the anchor rod body 1 is anchored more stably. Second anchor rod 24 fixed connection is in the one side that stock body 1 was kept away from to first anchor rod 22, and second anchor rod 24 sets up to keeping away from the direction slope that stock body 1 inserted the end, and the tail end of second anchor rod 24 outstanding tail end of first anchor rod 22, makes second anchor rod 24 insert soil more easily, is convenient for more during second anchor rod 24 drives first anchor rod 22 anchor and buries soil.
Further, in first anchor rod 22 one end stretched into recess 211, the mounting ring 21 top surface can play limiting displacement to first anchor rod 22, avoided first anchor rod 22 turned angle to exceed 90, lost the anchor effect.
An elastic piece 23 is arranged between the first anchoring rod 22 and the anchor rod body 1, the elastic piece 23 is a spring, one end of the spring is fixedly connected with the anchor rod body 1, the other end of the spring is fixedly connected with the first anchoring rod 22, the spring plays a role of pulling, when the anchor rod body 1 is inserted into the drilled hole 41, the anchoring piece 2 is abutted against the hole wall and inserted into the drilled hole 41 under the action of the elastic force of the spring, after the anchor rod body 1 is inserted into the drilled hole 41, the anchor rod body 1 is tensioned, the second anchoring rod 24 is anchored into the hole wall, when the anchor rod body is tensioned, the second anchoring rod 24 bears a reaction force, so that the first anchoring rod 22 is also anchored into the hole wall, and after the first anchoring rods 22 and the second anchoring rods 24 are anchored into the hole wall, the anchoring effect is achieved, and the anchor rod body 1 is tensioned; after the anchor rod body 1 is tensioned, the tension force applied to the spring is smaller than the stress limit value of the spring, and the spring always plays a role in pulling and tying the first anchoring rod 22, so that the anchor rod body 1 is stably anchored in the drill hole 41.
Further, the one end that the stock body 1 was kept away from to first anchor rod 22 and second anchor rod 24 is provided with the inclined plane respectively, and the inclined plane is thought to be close to the one end slope setting of stock body 1 by the one end that first anchor rod 22 and second anchor rod 24 kept away from stock body 1, through setting up the inclined plane, can make first anchor rod 22 and second anchor rod 24 be convenient for more anchor into the pore wall.
The embodiment of the application also discloses a construction method of the non-grouting anchor rod structure. A construction method of a non-grouting anchor rod structure comprises the following steps:
s1, bore 41: referring to fig. 2, a drill 41 is drilled in the slope 4 using a drill according to a design position.
S2, mounting of the pile casing 3: installing a protective cylinder 3 in the drill hole 41, wherein the protective cylinder 3 is made of a steel pipe, inserting the protective cylinder 3 into the drill hole 41 to enable the outer wall of the protective cylinder 3 to be attached to the hole wall, inserting the protective cylinder 3 into the bottom of the drill hole 41 and extending out of the drill hole 41, and facilitating later-stage extraction; when the anchor rod is inserted, the pile casing 3 can prevent the first anchoring rod 22 and the second anchoring rod 24 from contacting with the hole wall, so that the installation of the anchor rod is more convenient.
S3, mounting an anchor rod: after the pile casing 3 is installed, the anchor rod is inserted into the pile casing 3, the second anchor rod 24 abuts against the inner wall of the pile casing 3, and the anchor rod is completely inserted into the drill hole 41.
S4, recovery casing 3: after the drill rod insertion is complete, the casing 3 is removed from the bore hole 41 and recovered for the next use. After the casing 3 is taken out of the bore hole 41, the first anchoring rod 22 and the second anchoring rod 24 will expand and abut against the hole wall due to the elastic force of the spring.
S5, tensioning: referring to fig. 3, after the pile casing 3 is recovered, the anchor rod is tensioned, during tensioning, the first anchoring rod 22 and the second anchoring rod 24 can be anchored in the hole wall, after tensioning, the anchor rod is tensioned, the first anchoring rod 22 and the second anchoring rod 24 replace grouting in the drilled hole 41, and the anchor rod anchoring section can be played.
The implementation principle of the non-grouting anchor rod structure and the construction method thereof in the embodiment of the application is as follows: through set up first anchor rod 22 on stock body 1, and set firmly second anchor rod 24 on first anchor rod 22, when carrying out stretch-draw to the stock, make first anchor rod 22 and second anchor rod 24 anchor go into in the pore wall, play the effect of the anchor section of stock, replaced traditional slip casting to carry out the mode of anchoring to the stock, the efficiency of stock construction has been improved, construction cycle has been shortened, and the slip casting construction has been cancelled, can reduce the pollution, great significance is given to green construction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A non-slip casting stock structure is characterized in that: including stock body (1), fixed cover is equipped with a plurality of anchor assembly (2) on stock body (1), anchor assembly (2) are including first anchor rod (22), first anchor rod (22) one end with stock body (1) is articulated, and the other end orientation the tail end slope of stock body (1) sets up, first anchor rod (22) with still be provided with elastic component (23) between stock body (1).
2. A non-grouted anchor rod structure according to claim 1, wherein: the anchoring piece (2) further comprises a plurality of second anchoring rods (24), and the second anchoring rods (24) are fixedly arranged on one side, far away from the anchor body (1), of the first anchoring rod (22).
3. A non-grouted anchor rod structure according to claim 2, wherein: the second anchoring rod (24) is obliquely arranged towards the insertion end far away from the anchor rod body (1).
4. A non-grouted anchor rod structure according to claim 1, wherein: the anchor rod body (1) is made for the reinforcing bar, fixed cover is equipped with a plurality of collar (21) on anchor rod body (1), first anchor rod (22) with collar (21) are articulated.
5. A non-grouted anchor rod structure according to claim 2, wherein: inclined planes are arranged at one ends, far away from the anchor rod body (1), of the first anchoring rod (22) and the second anchoring rod (24).
6. A non-grouted anchor rod structure according to claim 1, wherein: the first anchoring rod (22) sequentially increases from the inserting end to the tail end of the anchor rod body (1).
7. A non-grouted anchor rod structure according to claim 1, wherein: the distance between the adjacent anchoring pieces (2) is reduced from the insertion end of the anchor rod body (1) to the tail end in sequence.
8. A construction method of a non-grouting bolt structure according to claims 1-5, characterised in that: the method comprises the following steps:
s1, bore (41): drilling (41) on the side slope (4) using a drilling machine;
s2, mounting an anchor rod: inserting the anchor body (1) in the borehole (41);
s3, tensioning: and tensioning the anchor rod, and anchoring the first anchoring rod (22) and the second anchoring rod (24) into the hole wall.
9. A method of constructing a non-grouted anchor rod structure according to claim 6, wherein: after the drilling (41) is finished, the protective cylinder (3) is installed in the drilling (41), and the outer wall of the protective cylinder (3) is abutted against the wall of the drilling (41).
10. A method of constructing a non-grouted anchor rod structure according to claim 7, wherein: and after the anchor rod body (1) is installed, the protective sleeve (3) is taken out of the drill hole (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110840446.5A CN113586112A (en) | 2021-07-24 | 2021-07-24 | Non-grouting anchor rod structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110840446.5A CN113586112A (en) | 2021-07-24 | 2021-07-24 | Non-grouting anchor rod structure and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113586112A true CN113586112A (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110840446.5A Pending CN113586112A (en) | 2021-07-24 | 2021-07-24 | Non-grouting anchor rod structure and construction method thereof |
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| Country | Link |
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| CN (1) | CN113586112A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629312A (en) * | 2024-01-26 | 2024-03-01 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
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| KR20050117502A (en) * | 2005-11-28 | 2005-12-14 | 윤성호 | Anchor for reinforcing a slope |
| CN103572757A (en) * | 2013-11-07 | 2014-02-12 | 山东交通学院 | Multi-level back-grasp-type hollow anchor rod and construction method thereof |
| CN204959748U (en) * | 2015-09-18 | 2016-01-13 | 浙江科技学院 | A anchor for preventing danger rock |
| CN205296150U (en) * | 2016-01-07 | 2016-06-08 | 山东科技大学 | Novel barb stock |
| CN106567384A (en) * | 2016-11-14 | 2017-04-19 | 合肥工业大学 | Fishbone-shaped anchor rod |
| CN107725553A (en) * | 2016-08-12 | 2018-02-23 | 通用汽车环球科技运作有限责任公司 | It is integrated to merge carrier |
| CN108547291A (en) * | 2018-07-18 | 2018-09-18 | 吉林省交通科学研究所 | A kind of herring-bone form basalt fibre anchor system and its anchoring process |
| CN209644983U (en) * | 2017-11-29 | 2019-11-19 | 爱美客技术发展股份有限公司 | A kind of suture and a kind of medical instrument |
| CN209750047U (en) * | 2019-04-19 | 2019-12-10 | 法志城 | Outdoor appliance |
-
2021
- 2021-07-24 CN CN202110840446.5A patent/CN113586112A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050117502A (en) * | 2005-11-28 | 2005-12-14 | 윤성호 | Anchor for reinforcing a slope |
| CN103572757A (en) * | 2013-11-07 | 2014-02-12 | 山东交通学院 | Multi-level back-grasp-type hollow anchor rod and construction method thereof |
| CN204959748U (en) * | 2015-09-18 | 2016-01-13 | 浙江科技学院 | A anchor for preventing danger rock |
| CN205296150U (en) * | 2016-01-07 | 2016-06-08 | 山东科技大学 | Novel barb stock |
| CN107725553A (en) * | 2016-08-12 | 2018-02-23 | 通用汽车环球科技运作有限责任公司 | It is integrated to merge carrier |
| CN106567384A (en) * | 2016-11-14 | 2017-04-19 | 合肥工业大学 | Fishbone-shaped anchor rod |
| CN209644983U (en) * | 2017-11-29 | 2019-11-19 | 爱美客技术发展股份有限公司 | A kind of suture and a kind of medical instrument |
| CN108547291A (en) * | 2018-07-18 | 2018-09-18 | 吉林省交通科学研究所 | A kind of herring-bone form basalt fibre anchor system and its anchoring process |
| CN209750047U (en) * | 2019-04-19 | 2019-12-10 | 法志城 | Outdoor appliance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629312A (en) * | 2024-01-26 | 2024-03-01 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
| CN117629312B (en) * | 2024-01-26 | 2024-04-02 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
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