CN106988310A - A kind of glass fiber-reinforced polymer material, the anchor cable being made up of glass fiber-reinforced polymer material and construction technology - Google Patents
A kind of glass fiber-reinforced polymer material, the anchor cable being made up of glass fiber-reinforced polymer material and construction technology Download PDFInfo
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- CN106988310A CN106988310A CN201710227982.1A CN201710227982A CN106988310A CN 106988310 A CN106988310 A CN 106988310A CN 201710227982 A CN201710227982 A CN 201710227982A CN 106988310 A CN106988310 A CN 106988310A
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- glass fiber
- reinforced polymer
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- polymer material
- anchor cable
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- 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
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of glass fibre composite heat insulating wall connector, including many fiberglass poles, fixtures, many fiberglass poles are linked together by fixture, and the fixture is with fiberglass pole by anchoring gemel connection.A kind of anchor cable being made up of glass fiber-reinforced polymer material, including above-mentioned glass fiber-reinforced polymer material, the glass fiber-reinforced polymer material device and are respectively placed in anchor head, the anchor tail at device two ends in branch to be multiple, in addition in multiple branch being arranged side by side.A kind of construction technology for the anchor cable being made up of glass fiber-reinforced polymer material, comprises the following steps：（1）Drilling；（2）Anchor cable is installed；（3）Slip casting；（4）Maintenance；（5）Anchorage cable stretching is tested；（6）Install.The present invention has advantages below：Make and easy construction, reduce cost, it is lightweight, it is readily transported and installs, be conducive to the making of glass fiber-reinforced polymer material to transport, meets the engineering support under larger anchor force, and the construction technology of anchor cable is easy, reduces workload, protection anchor cable is damaged.
Description
Technical field
The invention belongs to glass fibre field, and in particular to a kind of glass fiber-reinforced polymer material, be made up of glass fiber-reinforced polymer material
Anchor cable and construction technology.
Background technology
Glass fiber-reinforced polymer is a kind of glass fibre reinforced composion, is easy to cutting, is melted by glass fibre and resin through heat
Conjunction is formed, and the main function of wherein reisn base material is to be bonded together fibre bundle and make it have fixed shape and rise
The effect of Transfer of Shear, while protect the fibers from physics and the chemical attack of surrounding environment so that glass fiber-reinforced polymer have compared with
High antiseptic property.The density of glass fiber-reinforced polymer is less about a quarter for reinforcing bar, the glass fibre under same diameter simultaneously
Muscle quality is significantly less than reinforcing bar, is just conducive to the making of glass fiber-reinforced polymer the process such as to transport, and draw glass fibers according to experiment
Tie up muscle tensile strength and be higher than regular reinforcement, be suitable in the foundation ditch of relatively hazardous large-tonnage protection slope support engineering.
Now with economic fast development, the demand of underground engineering is increasing, in Underground Engineering Excavation support engineering
In, generally the Rock And Soil on periphery is reinforced using anchor pole or anchor cable, usual anchor pole and anchor cable use reinforcing bar or steel strand wires
As supporting construction, the corrosion-resistant problems of reinforcing bar or steel strand wires is the subject matter run into engineering.Due to reinforcing bar or steel strand wires
Rotproofness it is poor, so as to result in the usage cycles of anchor cable.Generally for the corrosion problems for solving reinforcing bar or steel strand wires,
Body of rod surface applies lubricating oil or corrosion resistant coating, then wraps up plastic cloth, applies lubricating oil or corrosion resistant coating again on plastic cloth, finally load
In plastic bushing, double layer anticorrosive is formed.Although the rotproofness of reinforcing bar or steel strand wires can be improved to a certain extent, also because anti-
The progress of corruption work causes workload to increase, and also increases financial cost problem.Simultaneously because reinforcing bar or steel strand wires material
It should not cut, so as to increase difficulty of construction, from great, making transport and installation to anchor cable bring great inconvenience.Cause
This, with the very big welcome of the anchor pole or anchor cable of glass fiber material by market.
Patent No. 201521100604.X propose a kind of glass fiber-reinforced polymer bar and anchor cable comprising the glass fiber-reinforced polymer bar and
Soil nailing, the anchor cable includes a glass fiber-reinforced polymer bar, backing plate and only pulpboard, and the glass fiber-reinforced polymer bar is by the consistent glass of many length
The glass fiber-reinforced polymer beam of fiber bar composition, the support stretched out is set with the outer ring of the glass fiber-reinforced polymer beam, the support is not
Connection function is only played, guiding is also acted as, improves cementation with concrete i.e. cement or mortar, but the material of the support
For steel construction, the exposed support in concrete still has higher corrosivity, largely reducing the caking property of the anchor cable with
And guidance quality, financial cost and cost of transportation can also increase, and the most importantly prestressd anchor cable is small, may be only available for anchoring
The less engineering support of power, it is impossible to meet the engineering support under larger anchor force, therefore there are still certain limitation.
The patent No. 201510282412.3 proposes a kind of pressure dispersing anchorage cable, with high-bearing capacity, can be in ground work
Journey supporting field provides larger and finely dispersed anchor force, including many different lengths, the muscle bodies of diameter, and the design makes anchor cable
Uniform, the advantage of total high capacity with pressure dissipation, but have the disadvantage that：1st, construct it is cumbersome, due to muscle body length,
Diameter, and the design length of same building site anchor cable often has a variety of, great difficulty is carried out in the industrialization industrial zone to anchor cable,
Anchor cable has assembled the reliable indicia for also needing to that length is represented in the termination mark of muscle body, must be pressed during tensioning according to the length of muscle body
According to precalculated pulling force by root tensioning and anchoring, then integral tension, bring and largely bother to work progress；2nd, by
It is different in each muscle body tensioning length, in the case of long-term use, due to the reasons such as the compression of rock mass can cause rock mass surface to
Rock mass internal modification, more situations are that the excavation of rock mass causes scar to be displaced outwardly, these displacements to all muscle bodies all
Equal, so as to cause the difference of each muscle body tension, the structure for non-iso-stress is not a design well.The pressure
While power dispersed anchor cable has as above shortcoming, the material of steel construction is employed, the defect of material can not meet market
Demand, while in terms of construction and anchor cable aspect of performance in itself is all without advantage.
The construction technology of the existing anchor cable being made up of glass fiber-reinforced polymer material, in drilling and anchor cable installation process, due to
Anchor cable it is complicated, anchor hole must be drilled to T-shaped structure during drilling, workload is increased, direct slip casting and seen during slip casting
Examine, there is a certain degree of error, it is necessary to outwards retract anchor cable with jack after installation, pull out the sun ring in loose anchor head
Piece and intermediate plate, are pulled out with hand, complex steps, while easily producing damage to anchor cable.
Therefore, if a kind of making and easy construction can be provided, cost is reduced, the engineering support under larger anchor force is met
Glass fiber-reinforced polymer material and the anchor cable that is made up of glass fiber-reinforced polymer material, definitely in response to the market demand.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to a kind of glass fiber-reinforced polymer material is now provided, lightweight, reduction
Cost, is readily transported and installs.
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide a kind of anchor being made up of glass fiber-reinforced polymer material
Rope, reduces cost, and manufacture is easy, meets the engineering support under larger anchor force.
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide a kind of anchor cable being made up of glass fiber-reinforced polymer material
Construction technology, easy construction, reduce workload, protection anchor cable be damaged.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of glass fiber-reinforced polymer material, including many glass
Glass fiber rod, fixture, many fiberglass poles are linked together by fixture, and the fixture passes through anchor with fiberglass pole
Solid glue is connected, and the number of fiberglass pole is 3-10.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of anchor being made up of glass fiber-reinforced polymer material
Rope, including above-mentioned glass fiber-reinforced polymer material, the glass fiber-reinforced polymer material to be multiple, in addition in multiple branch being arranged side by side device and
It is respectively placed in anchor head, the anchor tail at device two ends in branch；
The groove that the outer ring of device is provided with multiple grooves arranged in a ring, multiple middle devices in branch is corresponding in turn to setting, glass
Fiber bar material is horizontally installed in groove, in one end insertion anchor head of glass fiber-reinforced polymer material, in other end insertion anchor tail；
One end of anchor head is pyramidal structure and the end is set away from device in branch；
The outer ring of anchor tail is set with pallet and nut successively, and the outer surface of anchor tail is provided with the screw thread screwed togather with nut, and pallet is against
One end of nut device in branch.
Further, the number of glass fiber-reinforced polymer material is identical with the number of the groove of device outer ring in branch.
Further, through the center of anchor tail and multiple middle devices provided with one and glass fiber-reinforced polymer material bearing of trend
Consistent Grouting Pipe.
Further, one end outer surface of glass fiber-reinforced polymer material insertion anchor tail is provided with one layer of anchoring glue-line, and the end passes through anchor
Solid glue layer is connected with the inner surface of anchor tail.
Further, the pulling tension requirements of the anchor cable are in below 300KN, and anchor tail is glass steel material, and pulling tension requirements are big
When 300KN, anchor tail is stainless steel.
A kind of construction technology for the anchor cable being made up of glass fiber-reinforced polymer material, comprises the following steps：
（1）Drilling：Drilled using rig in the soil body, designated length is reached in drilling, while spraying high pressure water cleaning to the soil body
Mud, cleaning, which is finished, exits rig；
（2）Anchor cable is installed, and the good glass fibre anchor cable in scene or factory-assembled is pushed into step（1）In the hole of brill, anchor head is touched
Toward certain distance is reclaimed after to bottom hole, make that there is gap between anchor head and bottom hole；
（3）Slip casting, the Grouting Pipe of glass fibre anchor cable is connected to grouting pump connector, starts slip casting, and injecting paste material is divided into water
Mud or chemical pulp；
（4）Maintenance：24-48 hours cement mortars or chemical pulp solidification is waited to be hardened；
（5）Anchorage cable stretching is tested：After cement mortar or chemical pulp solidification compression strength reach setting, all working rope is entered
Grading tension after the pre- tensioning of the load of row 50% once, carries out 10% load, 100% load and 110% load tensioning successively,
Kept for 5 minutes in the case where being stretched to 110% load, working cable non-displacement phenomenon；
（6）Install：Start fixed tray after the completion of pulling test, nut is tightened with spanner, and pallet is against into soil body surface.
Beneficial effects of the present invention are as follows：
1st, glass fiber-reinforced polymer material is made up of many fiberglass poles, compared with individual glass fibers bar, with intensity height, corrosion resistant
The strong advantage of erosion, moment of torsion, and the material of glass fiber-reinforced polymer material is lighter than traditional steel product quality, is readily transported and installs, is conducive to
The processes such as the making transport of glass fiber-reinforced polymer material, are suitable for slope support engineering in the foundation ditch protection works of relatively hazardous large-tonnage
In.
2nd, the anchor cable substitution conventional pressure dispersed anchor cable of glass fiber-reinforced polymer material composition, manufacture is easy, saves making multiple
The muscle bar of different size, fabrication cycle is short, reduces cost, meets the engineering support under larger anchor force.
Corrosion-resistant traditional cable wire rope is to use subsequent treatment galvanizing and epoxy coating, is had when cable wire rope is installed at the scene
Friction and transportation friction cause matrix of the anchor cable not corrosion-resistant, glass fiber-reinforced polymer body is constituted itself to be epoxy resin, institute
Not need subsequent treatment and processing, corrosion resistant effect is fully achieved.
Lightweight, glass fibre anchor cable weight is 1/4 weight of traditional cable wire rope, so also only traditional on cost of transportation
1/4 cost of cable wire rope.
Assembling or the higher item of factory-assembled, the particularly ratio of slope may be selected in operating flexibility, glass fibre anchor cable
Mesh cost of labor can reduce half.
Anchor cable uses multiple glass fiber-reinforced polymer bodies, and each glass fiber-reinforced polymer body is made up of multiple fiberglass poles, with compared with
Strong tensile strength, it is adaptable to various support engineerings.
3rd, the construction technology for the anchor cable being made up of glass fiber-reinforced polymer material, easy construction reduces workload, protects anchor cable
Damage.
Brief description of the drawings：
The following examples can make professional and technical personnel that the present invention is more fully understood, but not therefore by present invention limit
System is among described scope of embodiments.
Fig. 1 is the structural representation of glass fiber-reinforced polymer material of the present invention.
The A-A sectional views that Fig. 2 glass fiber-reinforced polymer materials of the present invention are made up of three fiberglass poles.
The A-A sectional views that Fig. 3 glass fiber-reinforced polymer materials of the present invention are made up of four fiberglass poles.
The A-A sectional views that Fig. 4 glass fiber-reinforced polymer materials of the present invention are made up of five fiberglass poles.
The A-A sectional views that Fig. 5 glass fiber-reinforced polymer materials of the present invention are made up of six fiberglass poles.
The A-A sectional views that Fig. 6 glass fiber-reinforced polymer materials of the present invention are made up of seven fiberglass poles.
The A-A sectional views that Fig. 7 glass fiber-reinforced polymer materials of the present invention are made up of eight fiberglass poles.
The A-A sectional views that Fig. 8 glass fiber-reinforced polymer materials of the present invention are made up of nine fiberglass poles.
The A-A sectional views that Fig. 9 glass fiber-reinforced polymer materials of the present invention are made up of ten fiberglass poles.
The structural representation of device in the branch for the anchor cable that Figure 10 present invention are made up of glass fiber-reinforced polymer material.
The structural representation for the anchor cable that Figure 11 is made up of for the present invention glass fiber-reinforced polymer material.
Label in figure：1- glass fiber-reinforced polymers bar, 2- branch in device, 3- grooves, 4- anchor heads, 5- anchors tail, 6- pallets, 7- nuts,
8- Grouting Pipes, 9- anchorings glue-line, 10- fixtures.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Show such as Fig. 1 to Fig. 9, a kind of glass fiber-reinforced polymer material, including many fiberglass poles 1, fixtures 10, many glass
Fiber rod 1 is linked together by fixture 10, and the fixture 10 is with fiberglass pole 1 by anchoring gemel connection, glass fibre
The number of bar 1 is 3-10, and glass fiber-reinforced polymer material is made up of many fiberglass poles 1, compared with individual glass fibers bar, with strong
The strong advantage of high, corrosion-resistant, moment of torsion is spent, and the material of glass fiber-reinforced polymer material is lighter than traditional steel product quality, is readily transported and pacifies
Dress, is conducive to the making of glass fiber-reinforced polymer material the process such as to transport, is suitable for side in the foundation ditch protection works of relatively hazardous large-tonnage
In the support engineering of slope.
Show such as Figure 10, Figure 11, a kind of anchor cable being made up of glass fiber-reinforced polymer material, including above-mentioned glass fiber-reinforced polymer material,
The glass fiber-reinforced polymer material device 2 and is respectively placed in the anchor head at the two ends of device 2 in branch to be multiple, in addition in multiple branch being arranged side by side
4th, anchor tail 5；
The groove 3 that the outer ring of device 2 is provided with multiple grooves 3 arranged in a ring, multiple middle devices 2 in branch is corresponding in turn to setting,
Glass fiber-reinforced polymer material is horizontally installed in groove 3, in one end insertion anchor head 4 of glass fiber-reinforced polymer material, other end insertion anchor tail 5
In；
One end of anchor head 4 is pyramidal structure and the end is set away from device 2 in branch；
The outer ring of anchor tail 5 is set with pallet 6 and nut 7 successively, and the outer surface of anchor tail 5 is provided with the screw thread screwed togather with nut 7, pallet
6 are against one end of the device 2 in branch of nut 7, by rotating nut 7, and moving left and right for pallet 6 can be achieved.
The number of glass fiber-reinforced polymer material is identical with the number of the groove 3 of the outer ring of device in branch 2, volume can for six, eight, ten
It is individual, 12 etc., depending on different engineering demands.
It is consistent with glass fiber-reinforced polymer material bearing of trend provided with one through the center of anchor tail 5 and multiple middle devices 2
Grouting Pipe 8, the Grouting Pipe 8 of anchor cable is connected to grouting pump connector, starts slip casting, and injecting paste material is divided into cement mortar and chemistry
Slurry.
One end outer surface of glass fiber-reinforced polymer material insertion anchor tail 5 is provided with one layer of anchoring glue-line 9, and the end is by anchoring glue-line 9
It is connected with the inner surface of anchor tail 5.
The pulling tension requirements of anchor cable are in below 300KN, and anchor tail is glass steel material, when pulling tension requirements are more than 300KN, anchor tail
For stainless steel, formulated according to different engineering demands.
A kind of construction technology for the anchor cable being made up of glass fiber-reinforced polymer material, comprises the following steps：
（1）Drilling：Drilled using rig in the soil body, designated length is reached in drilling, while spraying high pressure water cleaning to the soil body
Mud, cleaning, which is finished, exits rig；
（2）Anchor cable is installed, and the good glass fibre anchor cable in scene or factory-assembled is pushed into step（1）In the hole of brill, anchor head is touched
Toward certain distance is reclaimed after to bottom hole, make that there is gap between anchor head and bottom hole；
（3）Slip casting, the Grouting Pipe of glass fibre anchor cable is connected to grouting pump connector, starts slip casting, and injecting paste material is divided into water
Mud or chemical pulp；
（4）Maintenance：24-48 hours cement mortars or chemical pulp solidification is waited to be hardened；
（5）Anchorage cable stretching is tested：After cement mortar or chemical pulp solidification compression strength reach setting, all working rope is entered
Grading tension after the pre- tensioning of the load of row 50% once, carries out 10% load, 100% load and 110% load tensioning successively,
Kept for 5 minutes in the case where being stretched to 110% load, working cable non-displacement phenomenon；
（6）Install：Start fixed tray after the completion of pulling test, nut is tightened with spanner, and pallet is against into soil body surface.
The anchor cable substitution conventional pressure dispersed anchor cable of glass fiber-reinforced polymer material composition, manufacture is easy, saves making multiple not
The muscle bar of same specification, fabrication cycle is short, reduces cost, meets the engineering support under larger anchor force.Traditional cable wire rope is corrosion-resistant
It is to use subsequent treatment galvanizing and epoxy coating, friction and transportation friction are had when cable wire rope is installed at the scene to be caused not
Corrosion-resistant, matrix of the anchor cable of glass fiber-reinforced polymer body composition itself is epoxy resin, so subsequent treatment and processing are not needed, it is complete
Corrosion resistant effect can be reached entirely.Lightweight, glass fibre anchor cable weight is 1/4 weight of traditional cable wire rope, so in transport
Also there was only 1/4 cost of traditional cable wire rope in cost.Assembling or factory's group may be selected in operating flexibility, glass fibre anchor cable
Dress, the particularly higher project cost of labor of the ratio of slope can reduce half.Anchor cable uses multiple glass fiber-reinforced polymer bodies, each glass
Glass fiber bar body is made up of multiple fiberglass poles, with stronger tensile strength, it is adaptable to various support engineerings.By glass fibers
The construction technology of the anchor cable of muscle material composition is tieed up, easy construction reduces workload, and protection anchor cable is damaged.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
The technical scheme that can be realized without creative work on the basis of above-described embodiment, is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (7)
1. a kind of glass fiber-reinforced polymer material, it is characterised in that：Including many fiberglass poles, fixtures, many glass fibres
Bar is linked together by fixture, and the fixture is with fiberglass pole by anchoring gemel connection, of the fiberglass pole
Number is 3-10.
2. a kind of anchor cable being made up of glass fiber-reinforced polymer material, including the glass fiber-reinforced polymer material described in claim 1, the glass fibre
Muscle material is multiple, it is characterised in that：Also include multiple branch being arranged side by side in device and be respectively placed in branch in device two ends anchor head,
Anchor tail；
The groove that the outer ring of device is provided with multiple grooves arranged in a ring, multiple middle devices in the branch is corresponding in turn to setting,
The glass fiber-reinforced polymer material is horizontally installed in groove, in one end insertion anchor head of the glass fiber-reinforced polymer material, other end insertion
In anchor tail；
One end of the anchor head is pyramidal structure and the end is set away from device in branch；
The outer ring of the anchor tail is set with pallet and nut successively, and the outer surface of the anchor tail is provided with the screw thread screwed togather with nut,
The pallet is against one end of nut device in branch.
3. a kind of anchor cable being made up of glass fiber-reinforced polymer material according to claim 2, it is characterised in that：The glass fiber-reinforced polymer
The number of material is identical with the number of the groove of device outer ring in branch.
4. a kind of anchor cable being made up of glass fiber-reinforced polymer material according to claim 2, it is characterised in that：Through the anchor tail with
And the center of multiple middle devices is provided with a Grouting Pipe consistent with glass fiber-reinforced polymer material bearing of trend.
5. a kind of anchor cable being made up of glass fiber-reinforced polymer material according to claim 2, it is characterised in that：The glass fiber-reinforced polymer
One end outer surface of material insertion anchor tail is provided with one layer of anchoring glue-line, and the end is connected by anchoring glue-line with the inner surface of anchor tail.
6. a kind of anchor cable being made up of glass fiber-reinforced polymer material according to claim 2, it is characterised in that：The pulling force of the anchor cable
It is required that in below 300KN, anchor tail is glass steel material, when pulling tension requirements are more than 300KN, anchor tail is stainless steel.
7. a kind of construction technology for the anchor cable being made up of glass fiber-reinforced polymer material, it is characterised in that：Comprise the following steps：
（1）Drilling：Drilled using rig in the soil body, designated length is reached in drilling, while spraying high pressure water cleaning to the soil body
Mud, cleaning, which is finished, exits rig；
（2）Anchor cable is installed, and the good glass fibre anchor cable in scene or factory-assembled is pushed into step（1）In the hole of brill, anchor head is touched
Toward certain distance is reclaimed after to bottom hole, make that there is gap between anchor head and bottom hole；
（3）Slip casting, the Grouting Pipe of glass fibre anchor cable is connected to grouting pump connector, starts slip casting, and injecting paste material is divided into water
Mud or chemical pulp；
（4）Maintenance：24-48 hours cement mortars or chemical pulp solidification is waited to be hardened；
（5）Anchorage cable stretching is tested：After cement mortar or chemical pulp solidification compression strength reach setting, all working rope is entered
Grading tension after the pre- tensioning of the load of row 50% once, carries out 10% load, 100% load and 110% load tensioning, is being stretched to successively
Kept for 5 minutes under 110% load, working cable non-displacement phenomenon；
（6）Install：Pulling test completes beginning fixed tray, and nut is tightened with spanner, and pallet is against into soil body surface.
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| CN108756981A (en) * | 2018-07-06 | 2018-11-06 | 江苏海川新材料科技有限公司 | A kind of reinforcement anchorage element of glass fibre attribute |
| CN113107562A (en) * | 2021-04-13 | 2021-07-13 | 中国地质调查局武汉地质调查中心 | Method for improving rod body structure of high-strength bonding type basalt fiber bar anchor cable |
| CN117345309A (en) * | 2023-12-05 | 2024-01-05 | 矿冶科技集团有限公司 | Shear-resistant prestress anchor cable |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756981A (en) * | 2018-07-06 | 2018-11-06 | 江苏海川新材料科技有限公司 | A kind of reinforcement anchorage element of glass fibre attribute |
| CN113107562A (en) * | 2021-04-13 | 2021-07-13 | 中国地质调查局武汉地质调查中心 | Method for improving rod body structure of high-strength bonding type basalt fiber bar anchor cable |
| CN113107562B (en) * | 2021-04-13 | 2023-10-13 | 中国地质调查局武汉地质调查中心 | Transformation method of high-strength adhesive basalt fiber reinforced anchor cable rod body structure |
| CN117345309A (en) * | 2023-12-05 | 2024-01-05 | 矿冶科技集团有限公司 | Shear-resistant prestress anchor cable |
| CN117345309B (en) * | 2023-12-05 | 2024-02-20 | 矿冶科技集团有限公司 | Shear-resistant prestress anchor cable |
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Application publication date: 20170728 |