CN214656993U - Corrosion-resistant high-strength anchor rod for reinforcing high and steep slope of geotechnical engineering - Google Patents

Corrosion-resistant high-strength anchor rod for reinforcing high and steep slope of geotechnical engineering Download PDF

Info

Publication number
CN214656993U
CN214656993U CN202120316943.0U CN202120316943U CN214656993U CN 214656993 U CN214656993 U CN 214656993U CN 202120316943 U CN202120316943 U CN 202120316943U CN 214656993 U CN214656993 U CN 214656993U
Authority
CN
China
Prior art keywords
stock
anchor rod
tensile
geotechnical engineering
corrosion
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.)
Active
Application number
CN202120316943.0U
Other languages
Chinese (zh)
Inventor
孙志禹
向欣
李晶华
戴凌全
牛玉龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Three Gorges Corp
Original Assignee
China Three Gorges Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Three Gorges Corp filed Critical China Three Gorges Corp
Priority to CN202120316943.0U priority Critical patent/CN214656993U/en
Application granted granted Critical
Publication of CN214656993U publication Critical patent/CN214656993U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Piles And Underground Anchors (AREA)

Abstract

The utility model provides a reinforced (rfd) anticorrosive high-strength anchor rod to geotechnical engineering high steep side slope, it includes the stock, anticorrosive component, tensile subassembly and slip casting device, through establishing the sleeve pipe at the stock overcoat, be located and fill the anticorrosive coating between stock and the sleeve pipe, the shell anchor assembly that rises of stock is connected with toper anchor head, it sets up anti-drag hook to be located the notch of toper anchor head, slip casting device is connected with the cliff, through pouring into anticorrosive component of mortar cladding and tensile subassembly in to the anchor eye along the slip casting pipe, and intensity is high, effectively avoids the stock to corrode. The utility model overcomes former stock receives the corrosion to influence overall structure intensity and leads to tensile strength to reduce, and the problem that the stock validity period shortens has simple structure, and tensile strength is good, avoids becoming invalid, extension stock validity period, easy operation convenient characteristics.

Description

Corrosion-resistant high-strength anchor rod for reinforcing high and steep slope of geotechnical engineering
Technical Field
The utility model belongs to the technical field of geotechnical engineering consolidates, a to geotechnical engineering high steep slope reinforced (rfd) anticorrosive stock that excels in is related to.
Background
In the field of engineering construction, anchor rods have become the main means for reinforcing high slopes, underground caverns and structures of water conservancy and hydropower engineering in China. As an effective support mode, the anchor rod support can obviously improve the stability of surrounding rocks, has the advantages of low support cost, low labor intensity, convenient construction and the like, and greatly improves the economic benefit of hydraulic and hydro-power engineering.
Disclosure of Invention
The utility model aims to solve the technical problem that a provide a reinforced (rfd) anticorrosive stock of excelling in to geotechnical engineering high steep side slope, moreover, the steam generator is simple in structure, adopt and establish the sleeve pipe at the stock overcoat, be located and fill the anticorrosive coating between stock and the sleeve pipe, the shell anchor assembly that rises of stock is connected with toper anchor head, be located the notch of toper anchor head and set up anti-drag hook, the slip casting device is connected with the cliff, along slip casting pipe to anchor downthehole injection mortar cladding anticorrosive component and tensile component, high strength, effectively avoid the stock to corrode, tensile property is good, avoid becoming invalid, the extension stock validity period, and easy operation is convenient.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an anti-corrosion high-strength anchor rod for reinforcing a high and steep slope of geotechnical engineering comprises an anchor rod, an anti-corrosion component, a tensile assembly and a grouting device; the sleeve pipe of anticorrosive component cup joints with the stock, sets up the anticorrosive coating between stock and the sleeve pipe, and a plurality of tensile ring cover of tensile subassembly are located the sleeve pipe and are connected rather than, and the toper anchor head is connected with stock one end, and slip casting device is located the other end of stock.
And one end of the anchor rod is provided with an expansion shell anchoring part, and the conical anchoring head is connected with the expansion shell anchoring part.
The tensile assembly comprises a conical anchoring head, a drag-resisting hook, a drag-resisting ring and a tensile tooth, the tensile hook is connected with the conical anchoring head, and the tensile tooth is connected with the tensile ring.
The outer wall of the conical anchoring head is provided with a plurality of notches, and the tensile hooks are positioned in the notches and connected with the notches.
The notch is unanimous with the toper anchor head axial, and a plurality of notches are annular evenly distributed, sets up a long notch between per two short notches.
The outer wall of the anti-pulling ring is provided with a plurality of anti-pulling teeth which are annularly distributed.
The slip casting device includes the sealing member with stopper post complex to and the slip casting pipe that communicates with the stopper post, be located the slip casting and be connected with the nut on the pipe.
The sealing member is a conical retainer ring, an outward extending edge is arranged at the edge of the end with the larger cross section, and a sealing ring is arranged on one side of the extending edge.
And a vacuum branch pipe is arranged on the body of the grouting pipe outside the plug and communicated with the grouting pipe, and the vacuum branch pipe is provided with a ball valve.
An anti-corrosion high-strength anchor rod for reinforcing a high and steep slope of geotechnical engineering comprises an anchor rod, an anti-corrosion component, a tensile assembly and a grouting device; the sleeve pipe and the stock of anticorrosive component cup joint, set up the anticorrosive coating between stock and the sleeve pipe, a plurality of tensile ring cover of tensile subassembly are located the sleeve pipe and are connected rather than outward, and the toper anchor head is connected with stock one end, and the slip casting device is located the other end of stock, simple structure. Through establishing the sleeve pipe at the stock overcoat, be located to fill the anticorrosive coating between stock and the sleeve pipe, the shell anchor assembly that rises of stock is connected with toper anchor head, sets up anti-drag hook in the notch that is located toper anchor head, and the slip casting device is connected with the cliff, through injecting into anticorrosive component of mortar cladding and tensile subassembly in to the anchor eye along the slip casting pipe, and intensity is high, effectively avoids the stock to corrode, and tensile properties is good, avoids becoming invalid, prolongs the stock validity period, and easy operation is convenient.
In a preferred scheme, one end of the anchor rod is provided with a shell expansion anchoring piece, and the conical anchoring head is connected with the shell expansion anchoring piece. When the mortar expanding shell anchoring part is used, the expanding shell of the expanding shell anchoring part is expanded, and the expanding shell is filled after mortar is injected into the anchor hole, so that the expanding shell and the mortar can be connected into a whole, and the tensile property is improved.
In preferred scheme, tensile subassembly includes toper anchor head, drag hook, anti-pull ring and tensile tooth, and tensile hook is connected with toper anchor head, and anti-pull tooth is connected with tensile ring. When the anchor rod is used, the tensile teeth are connected with the tensile ring, so that the overall structural strength of the anchor rod is improved, and the tensile property is improved after the anchor rod is coated by mortar.
In a preferred scheme, the outer wall of the conical anchoring head is provided with a plurality of notches, and the tensile hooks are positioned in the notches and connected with the notches. When the anti-pulling hook is used, the anti-pulling hook is positioned in the notch of the conical anchoring head, and after mortar is injected into the anchor hole, the mortar is fully contacted with the anti-pulling hook in the notch, so that the anti-pulling performance of the anchor rod is further improved.
In the preferred scheme, the notches are axially consistent with the conical anchoring head, the notches are uniformly distributed in an annular shape, and a long notch is arranged between every two short notches. Be located and set up a long notch between two short notches, short notch and long notch all set up the tensile hook of different in size, and when the stock received tensile stress, its tensile strength further improved.
In a preferred embodiment, the outer wall of the tension ring is provided with a plurality of tension teeth arranged in a ring shape. When the pull-resistant ring is used, the tensile rings which are distributed along the axial direction of the sleeve are stressed uniformly, and the tensile teeth which are uniformly distributed on the pull-resistant ring further improve the strength and tensile property of the whole structure.
In a preferred scheme, the grouting device comprises a sealing piece matched with the plug and a grouting pipe communicated with the plug, and a nut is connected to the grouting pipe. When the grouting device is used, the sealing element is fixedly connected with the rock wall and is in contact sealing with the rock wall, the grouting pipe is connected with grouting equipment and is used for conveying mortar, and the mortar enters the plug column along the grouting pipe and then is flushed into the anchor hole.
In a preferred scheme, the sealing element is a conical retainer ring, an outward extending edge is arranged on the edge of the end with the larger cross section, and a sealing ring is arranged on one side of the extending edge. When the sealing ring is used, the riveting piece penetrates through the extending edge of the sealing piece to be connected and fixed with the rock wall, and the sealing ring is in contact sealing with the rock wall.
In the preferred scheme, a vacuum branch pipe is arranged on the body of the grouting pipe outside the plug and communicated with the grouting pipe, and the vacuum branch pipe is provided with a ball valve. When the vacuum grouting device is used, the vacuum branch pipe connected with the grouting pipe is used for being connected with a vacuum machine, air in the anchor hole is pumped out, the anchor hole tends to be close to a vacuum state, the compactness of mortar is improved after the mortar is injected, the mortar is in close contact with the inner wall of the anchor hole, the anchor rod and related components connected with the anchor rod, the air contact is avoided, the adhesive force is improved, and meanwhile, the corrosion resistance is improved.
The utility model provides a reinforced (rfd) anticorrosive high-strength anchor rod to geotechnical engineering high steep side slope, it includes the stock, anticorrosive component, tensile subassembly and slip casting device, through establishing the sleeve pipe at the stock overcoat, be located and fill the anticorrosive coating between stock and the sleeve pipe, the shell anchor assembly that rises of stock is connected with toper anchor head, it sets up anti-drag hook to be located the notch of toper anchor head, slip casting device is connected with the cliff, through pouring into anticorrosive component of mortar cladding and tensile subassembly in to the anchor eye along the slip casting pipe, and intensity is high, effectively avoids the stock to corrode. The utility model overcomes former stock receives the corrosion to influence overall structure intensity and leads to tensile strength to reduce, and the problem that the stock validity period shortens has simple structure, and tensile strength is good, avoids becoming invalid, extension stock validity period, easy operation convenient characteristics.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional view at a-a of fig. 1.
Fig. 3 is a schematic structural view of the conical anchoring head of the present invention.
Fig. 4 is a schematic sectional view at B-B of fig. 3.
Fig. 5 is a schematic structural view of the drag-resisting hook of the present invention.
Fig. 6 is a usage state diagram of the present invention.
In the figure: anchor rod 1, shell anchor member 11 that rises, anticorrosive component 2, sleeve pipe 21, anticorrosive coating 22, tensile subassembly 3, toper anchor head 31, tensile hook 32, anti-pulling ring 33, tensile tooth 34, slip casting device 4, plug 41, sealing member 42, slip casting pipe 43, nut 44.
Detailed Description
As shown in fig. 1 to 6, an anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement comprises an anchor rod 1, an anti-corrosion member 2, a tensile component 3 and a grouting device 4; the sleeve 21 and the stock 1 of anticorrosive component 2 cup joint, set up anticorrosive coating 22 between stock 1 and the sleeve 21, a plurality of anti pull rings 33 cover of tensile subassembly 3 are located the sleeve 21 and are connected with it outward, and toper anchor head 31 is connected with 1 one end of stock, and slip casting device 4 is located the other end of stock 1, simple structure. Through establishing sleeve pipe 21 at 1 overcoat of stock, be located to fill anticorrosive coating 22 between stock 1 and the sleeve pipe 21, the shell anchor assembly 11 that rises of stock 1 is connected with toper anchor head 31, be located and set up drag hook 32 in the notch of toper anchor head 31, slip casting device 4 is connected with the cliff, through along slip casting pipe 43 to pour into anticorrosive component of mortar cladding 2 and tensile assembly 3 into the anchor eye, high strength, effectively avoid stock 1 to corrode, the tensile property is good, avoid becoming invalid, extension stock 1 validity period, easy operation is convenient.
In a preferable scheme, one end of the anchor rod 1 is provided with a shell expansion anchoring piece 11, and the conical anchoring head 31 is connected with the shell expansion anchoring piece 11. When the mortar expanding shell anchoring piece is used, the expanding shell of the expanding shell anchoring piece 11 is expanded, and the expanding shell is filled after mortar is injected into the anchor hole, so that the expanding shell and the mortar can be connected into a whole, and the tensile property is improved.
Preferably, the outer wall of the bolt 1 and the inner wall of the sleeve 21 are fully threaded to increase adhesion to the shielding 22.
Preferably, the sleeve 21 is made of PE material, and the outer wall of the sleeve 21 is corrugated, so that the adhesion between the sleeve 21 and the cationic neoprene latex anti-corrosive mortar is increased.
Preferably, the protective layer 22 is an epoxy.
In a preferred scheme, the tensile component 3 comprises a conical anchoring head 31, a tensile hook 32, a tensile ring 33 and a tensile tooth 34, wherein the tensile hook 32 is connected with the conical anchoring head 31, and the tensile tooth 34 is connected with the tensile ring 33. When the anchor rod is used, the tensile teeth 34 are connected with the anti-pulling rings 33, so that the overall structural strength of the anchor rod 1 is improved, and the tensile property is improved after the anchor rod is coated by mortar.
In a preferred embodiment, the outer wall of the conical anchoring head 31 is provided with a plurality of notches, and the drag-resisting hooks 32 are located in the notches and connected with the notches. When the anchor rod is used, the tensile hook 32 positioned in the notch of the conical anchoring head 31 is fully contacted with the tensile hook 32 in the notch after mortar is injected into the anchor hole, so that the tensile property of the anchor rod 1 is further improved.
In the preferred scheme, the notches are axially consistent with the conical anchoring head 31, the notches are uniformly distributed in an annular shape, and a long notch is arranged between every two short notches. Lie in and set up a long notch between two short notches, short notch and long notch all set up tensile hook 32 different in size, and when stock 1 received tensile stress, its tensile strength further improved.
In a preferred embodiment, the outer wall of the anti-pulling ring 33 is provided with a plurality of tensile teeth 34 arranged in a ring shape. When the anti-pulling ring 33 is used, the anti-pulling rings 33 which are distributed along the axial direction of the sleeve 21 are stressed uniformly, and the anti-pulling teeth 34 which are uniformly distributed on the anti-pulling rings 33 further improve the overall structural strength and the anti-pulling performance.
In a preferred embodiment, the grouting device 4 comprises a sealing member 42 engaged with the plug 41, and a grouting pipe 43 communicating with the plug 41, and a nut 44 is connected to the grouting pipe 43. When the grouting device is used, the sealing element 42 is fixedly connected with the rock wall and is in contact sealing with the rock wall, the grouting pipe 43 is connected with grouting equipment and is used for conveying mortar, and the mortar enters the plug 41 along the grouting pipe 43 and then is flushed into the anchor hole.
Preferably, the cation neoprene latex anti-corrosion mortar is adopted, so that the corrosion of the anchoring steel bar is effectively delayed, the anchoring performance of the anchor rod is fully exerted, and the service life is prolonged.
In a preferred embodiment, the sealing member 42 is a tapered collar, an outward extending edge is disposed on the edge of the end with the larger cross section, and a sealing ring is disposed on one side of the extending edge. When the sealing ring is used, the riveting piece penetrates through the extending edge of the sealing piece 42 to be connected and fixed with the rock wall, and the sealing ring is in contact sealing with the rock wall.
In a preferred scheme, a vacuum branch pipe is arranged on the body of the grouting pipe 43 outside the plug 41 and communicated with the same, and the vacuum branch pipe is provided with a ball valve. When the vacuum grouting device is used, the vacuum branch pipe connected with the grouting pipe 43 is used for being connected with a vacuum machine, air in the anchor hole is pumped out, the anchor hole tends to be close to a vacuum state, the compactness of mortar is improved after the mortar is injected, the mortar is in close contact with the inner wall of the anchor hole, the anchor rod 1 and related components connected with the anchor rod 1, the air contact is avoided, the adhesive force is improved, and meanwhile, the corrosion resistance is improved.
As above to reinforced (rfd) anticorrosive high strength anchor rod of geotechnical engineering steep slope, during the installation use, establish sleeve pipe 21 at 1 overcoat of anchor rod, be located and fill anticorrosive coating 22 between anchor rod 1 and the sleeve pipe 21, anchor rod 1 rises shell anchor assembly 11 and is connected with toper anchor head 31, be located and set up drag hook 32 in the notch of toper anchor head 31, grouting apparatus 4 is connected with the cliff, along slip casting pipe 43 to pouring into mortar cladding anticorrosive component 2 and tensile component 3 in the anchor eye, high strength, effectively avoid anchor rod 1 to corrode, tensile property is good, avoid becoming invalid, extension anchor rod 1 validity period, easy operation is convenient.
When the mortar expanding shell anchoring piece is used, the expanding shell of the expanding shell anchoring piece 11 is expanded, and the expanding shell is filled after mortar is injected into the anchor hole, so that the expanding shell and the mortar can be connected into a whole, and the tensile property is improved.
When the anchor rod is used, the tensile teeth 34 are connected with the anti-pulling rings 33, so that the overall structural strength of the anchor rod 1 is improved, and the tensile property is improved after the anchor rod is coated by mortar.
When the anchor rod is used, the tensile hook 32 positioned in the notch of the conical anchoring head 31 is fully contacted with the tensile hook 32 in the notch after mortar is injected into the anchor hole, so that the tensile property of the anchor rod 1 is further improved.
Lie in and set up a long notch between two short notches, short notch and long notch all set up tensile hook 32 different in size, and when stock 1 received tensile stress, its tensile strength further improved.
When the anti-pulling ring 33 is used, the anti-pulling rings 33 which are distributed along the axial direction of the sleeve 21 are stressed uniformly, and the anti-pulling teeth 34 which are uniformly distributed on the anti-pulling rings 33 further improve the overall structural strength and the anti-pulling performance.
When the grouting device is used, the sealing element 42 is fixedly connected with the rock wall and is in contact sealing with the rock wall, the grouting pipe 43 is connected with grouting equipment and is used for conveying mortar, and the mortar enters the plug 41 along the grouting pipe 43 and then is flushed into the anchor hole.
When the sealing ring is used, the riveting piece penetrates through the extending edge of the sealing piece 42 to be connected and fixed with the rock wall, and the sealing ring is in contact sealing with the rock wall.
When the vacuum grouting device is used, the vacuum branch pipe connected with the grouting pipe 43 is used for being connected with a vacuum machine, air in the anchor hole is pumped out, the anchor hole tends to be close to a vacuum state, the compactness of mortar is improved after the mortar is injected, the mortar is in close contact with the inner wall of the anchor hole, the anchor rod 1 and related components connected with the anchor rod 1, the air contact is avoided, the adhesive force is improved, and meanwhile, the corrosion resistance is improved.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (9)

1. The utility model provides a to reinforced (rfd) anticorrosive high strength anchor rod of geotechnical engineering high steep slope, characterized by: the anchor rod comprises an anchor rod (1), an anti-corrosion component (2) and a tensile component (3); sleeve pipe (21) and stock (1) of anticorrosive component (2) cup joint, set up anticorrosive coating (22) between stock (1) and sleeve pipe (21), a plurality of anti pull ring (33) cover of tensile subassembly (3) are located sleeve pipe (21) and are connected rather than outside, and toper anchor head (31) are connected with stock (1) one end.
2. The anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement according to claim 1, which is characterized in that: one end of the anchor rod (1) is provided with an expansion shell anchoring piece (11), and the conical anchoring head (31) is connected with the expansion shell anchoring piece (11).
3. The anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement according to claim 1, which is characterized in that: tensile subassembly (3) are including toper anchor head (31), anti-drag hook (32), tensile ring (33) and tensile tooth (34), and anti-drag hook (32) are connected with toper anchor head (31), and tensile tooth (34) are connected with tensile ring (33).
4. The anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement according to claim 1, which is characterized in that: the outer wall of the conical anchoring head (31) is provided with a plurality of notches, and the drag-resisting hook (32) is positioned in the notches and connected with the notches.
5. The anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement according to claim 4, which is characterized in that: the notch is the same with toper anchor head (31) axial, and a plurality of notches are annular evenly distributed, sets up a long notch between per two short notches.
6. The anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement according to claim 1, which is characterized in that: the outer wall of the anti-pulling ring (33) is provided with a plurality of anti-pulling teeth (34) which are annularly arranged.
7. The anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement according to claim 1, which is characterized in that: the grouting device (4) comprises a sealing piece (42) matched with the plug column (41) and a grouting pipe (43) communicated with the plug column (41), and a nut (44) is connected to the grouting pipe (43).
8. The anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement according to claim 7, which is characterized in that: the sealing element (42) is a conical retainer ring, an outward extending edge is arranged at the edge of the end with the larger cross section, and a sealing ring is arranged at one side of the extending edge.
9. The anti-corrosion high-strength anchor rod for geotechnical engineering high and steep slope reinforcement according to claim 7, which is characterized in that: and a vacuum branch pipe is arranged on the body of the grouting pipe (43) outside the plug column (41) and communicated with the plug column, and the vacuum branch pipe is provided with a ball valve.
CN202120316943.0U 2021-02-04 2021-02-04 Corrosion-resistant high-strength anchor rod for reinforcing high and steep slope of geotechnical engineering Active CN214656993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120316943.0U CN214656993U (en) 2021-02-04 2021-02-04 Corrosion-resistant high-strength anchor rod for reinforcing high and steep slope of geotechnical engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120316943.0U CN214656993U (en) 2021-02-04 2021-02-04 Corrosion-resistant high-strength anchor rod for reinforcing high and steep slope of geotechnical engineering

Publications (1)

Publication Number Publication Date
CN214656993U true CN214656993U (en) 2021-11-09

Family

ID=78446181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120316943.0U Active CN214656993U (en) 2021-02-04 2021-02-04 Corrosion-resistant high-strength anchor rod for reinforcing high and steep slope of geotechnical engineering

Country Status (1)

Country Link
CN (1) CN214656993U (en)

Similar Documents

Publication Publication Date Title
CN100570067C (en) Prestressed method of suspension bridge anchoring changeable formula and device
CN106065624B (en) Suitable for passing through the permanent seal cooling prestress anchorage cable and its construction method of broken rock
CN109209455B (en) Expansion shell type prestress hollow grouting anchor rod with slurry blocking plug
CN111576403B (en) Pile splicing structure and bearing platform anchoring structure using PHC tubular pile
CN201125491Y (en) Prestress rib fixed end anchorage
CN105971288B (en) Integral type intermediate plate type anchor device structure device and its assemble method
CN104452743A (en) Ordinary deformed steel bar prefabricated square pile and connecting method
CN104863150A (en) Anchor end device of tension-compression pre-stressed anchor cable
CN209838430U (en) Shield segment structure with reserved hourglass-shaped hole
CN205894069U (en) Enlarged footing resistance to plucking stock
CN202031027U (en) Whole replaceable anchorage system
CN214656993U (en) Corrosion-resistant high-strength anchor rod for reinforcing high and steep slope of geotechnical engineering
CN202520346U (en) Novel high-intensity constant-resistance large-deformation anchor rod
CN212452621U (en) Quick-assembly type tension-compression composite anchor rod
CN112942387B (en) Corrosion-resistant high-strength anchor rod and method for geotechnical engineering high-steep slope reinforcement
CN205529907U (en) P -type anchorage device at fixed end
CN204728585U (en) The reinforcing bar grouting branch sleeve of precast assembly
CN204419218U (en) A kind of novel combination type steel strand anchor rod
CN109024622B (en) Use method of slope reinforcement rod piece
CN103276733B (en) A kind of tension and compression dispersion-type prestressed anchorage cable
CN115637696A (en) Pressure-bearing tension composite anchor rod and construction method
CN213233441U (en) Self-reducing guide cap and tension-compression composite anchor rod adopting same
CN205225301U (en) Multiple anticorrosive stock of multiplicable anchor power
CN114809118A (en) High-pulling-resistance pressure type anti-floating anchor rod and construction method thereof
CN210829331U (en) Prestressed anchor rod for tunnel or culvert construction

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant