CN109083144A - A kind of energy consumption antidetonation prestress anchorage cable - Google Patents
A kind of energy consumption antidetonation prestress anchorage cable Download PDFInfo
- Publication number
- CN109083144A CN109083144A CN201811147320.4A CN201811147320A CN109083144A CN 109083144 A CN109083144 A CN 109083144A CN 201811147320 A CN201811147320 A CN 201811147320A CN 109083144 A CN109083144 A CN 109083144A
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- Prior art keywords
- anchor
- anchorage
- energy consumption
- anchoring sleeve
- anchoring
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 48
- 238000004873 anchoring Methods 0.000 claims abstract description 70
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 5
- 239000003351 stiffener Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 14
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 3
- 238000007569 slipcasting Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
Classifications
-
- 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
- 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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of energy consumption antidetonation prestress anchorage cable, including there are guiding end in anchoring section, free segment and energy consumption anchor, anchoring section end, by Grouting Pipe slip casting by anchorage cable anchoring in basement rock；The free segment can apply prestressing force by jack；The energy consumption anchor is made of anchorage, high-strength compressed spring, lead for retractable pencil, anchoring sleeve, anchor plate.Anchor cable sequentially passes through anchor plate, lead for retractable pencil, the aperture on anchorage, and it is solid on anchorage to apply pre-stress rear anchor through stretch-draw jack.When earthquake occurs, slip mass glides and then extruding anchor plate, high-strength spring-compressed, and the lead for retractable pencil in the anchor that consumes energy is extruded anchoring sleeve hole, generates and squeezes energy consumption, while anchorage side and anchoring sleeve inner wall generation friction energy-dissipating, and can effectively dissipate seismic energy.By squeezing high strong spring, the length of free section of anchor cable allows slip mass that certain displacement occurs, can effectively avoid anchor cable and be pulled off, to achieve the purpose that energy dissipation and protect anchor cable.
Description
Technical field
The present invention relates to anchor cable structure, in particular to a kind of energy consumption antidetonation prestress anchorage cable belongs to slope project antidetonation neck
Domain.
Background technique
Prestress anchorage cable is used widely in the landslide control engineering of side, with the perfect rigidities branch such as friction pile, retaining wall
Protection structure is compared, and certain elastic displacement can occur for geological process lower prestress anchor cable, thus have preferable anti-seismic performance.Such as
A kind of adaptive quake-proof anchor rope structure of energy dissipating disclosed in the Chinese invention patent of Patent No. 201410751411.4 and implementation
Method.
But slip mass would generally generate biggish displacement when earthquake generation, the elastic position that can be generated greater than prestress anchorage cable
The limit is moved, leads to that anchor cable is pulled off or anchor head destroys, to lose protective function, Earthquake-landslide occurs.
In view of the above-mentioned problems, the present invention proposes a kind of energy consumption antidetonation prestress anchorage cable, anchored by using special energy consumption
Device improves the anti-seismic performance of existing prestress anchorage cable, guarantees stability of the side slope behind earthquake centre and shake.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind can dissipate a large amount of seismic energies, avoid anchor cable from being pulled off brokenly
Bad energy consumption antidetonation prestress anchorage cable.
To solve the above problems, the technical solution used in the present invention is:
A kind of energy consumption antidetonation prestress anchorage cable comprising anchoring section, free segment and energy consumption anchor, key technology are:
The anchoring cartridge that the energy consumption anchor includes the anchor plate being fixed on concrete anchor pier, is fixed on the anchor plate
Cylinder, spring, lead for retractable pencil and the anchorage being arranged in the anchoring sleeve, the spring are folded between the anchorage and anchor plate,
The lead for retractable pencil original outer diameter is less than the spring inside diameter, and lead for retractable pencil is placed in the spring, is provided on the anchoring sleeve side wall
Several through-holes；
Steel strand wires one end is fixed in anchoring section, and the other end sequentially passes through anchor plate, lead for retractable pencil and anchorage, is applied through stretch-draw jack
Pre-stress rear anchor is solid on anchorage, and after applying prestressing force to steel strand wires, anchorage is pushed, and is full of anchorage, anchor plate after lead for retractable pencil deformation
Space between anchoring sleeve, anchor cable are in normal use working condition.
As a further improvement of the present invention, the anchoring sleeve cross section is in circular ring shape, and anchoring sleeve inner wall is equipped with micro-
Small taper, anchoring sleeve internal diameter reduces along anchorage toward anchor plate direction, to increase when anchorage is moved to anchor plate direction and anchor
Gu the frictional force between sleeve.
As a further improvement of the present invention, the anchoring sleeve inner-wall spraying has inorganic friction coatings, to increase anchorage
Coefficient of friction between anchoring sleeve.
As a further improvement of the present invention, several through-holes are in the uniform cloth of blossom type on the anchoring sleeve side wall
It sets.
As a further improvement of the present invention, the spring is in compressive state, and counter-force is equal to the design pulling force of anchor cable,
It is in state of plastic deformation that the spring, which is more than after setting pressure threshold, can maintain the pressure of setting and biggish deformation occurs.
As a further improvement of the present invention, the hole with the number such as steel strand wires is provided on the anchorage, in the hole
Being provided with intermediate plate is fixed on the steel strand wires on the anchorage.
As a further improvement of the present invention, it is provided with and the numbers such as the steel strand wires on the lead for retractable pencil and anchor plate
Hole.
As a further improvement of the present invention, the anchoring sleeve and the anchor plate are integrally welded, the anchoring cartridge
Circumferentially spaced-apart uniform welding is provided with ribbed stiffener between drum outer wall and anchor plate.
The beneficial effects of adopting the technical scheme are that
Energy consumption antidetonation prestress anchorage cable disclosed by the invention is under static(al) operating condition, the support action of side slope and common prestressing force
Anchor cable is identical；But in earthquake, energy consumption antidetonation prestress anchorage cable can play good anti-seismic performance, and can dissipate a large amount of earthquake
Energy avoids anchor cable from being pulled off destruction, achievees the purpose that antidetonation.
Specifically, energy consumption anchor of the invention has dual energy consumption mechanism, first is that anchorage side and anchoring sleeve
The friction energy-dissipating of inner wall, second is that the extruding of lead for retractable pencil is consumed energy.In addition, by squeezing high strong spring, the flexible deformation and/or modeling of spring
Property deformation so that free section of anchor cable length, to allow slip mass that certain displacement occurs, slip mass itself can dissipate
Sizable displacement energy consumption.Energy consumption anchor and slip mass itself energy consumption have effectively dissipated inputting seismic energy, effectively mention
Height is by the Seismic Stability of slope supported.After the length of free section of anchor cable, anchor cable can effectively avoid because of overload or change
Shape is excessive to be destroyed, to achieve the purpose that energy dissipation and protect anchor cable.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the assembling unit structure schematic diagram of anchoring sleeve and anchor plate of the present invention.
Fig. 3 is the structural schematic diagram of the anchor that the consumes energy when present invention does not apply prestressing force.
Fig. 4 is the structural schematic diagram of the energy consumption anchor of normal use working condition of the present invention.
Wherein: 1 energy consumption anchor, 11 anchoring sleeves, 111 through-holes, 112 inorganic friction coatings, 12 anchor plates, 121 steel
Twisted wire hole, 13 ribbed stiffeners, 14 anchorages, 15 intermediate plates, 16 springs, 17 lead for retractable pencils, 18 concrete anchor piers, 2 free section of anchor cable, 21 steel twist
Line, 22 Grouting Pipes, 3 anchorage cable anchoring sections, 31 guiding ends.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, invention is carried out combined with specific embodiments below
Clear, complete description, it is to be understood that term " center ", " vertical ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
A kind of energy consumption antidetonation prestress anchorage cable as shown in Figs 1-4 comprising anchoring section 3, free segment 2 and energy consumption anchoring dress
1 is set, 3 end of anchoring section is provided with guiding end 31, and steel strand wires 21 are anchored in basement rock by 22 slip casting of Grouting Pipe.
The energy consumption anchor 1 includes the anchor plate 12 being fixed on concrete anchor pier 18, is fixed on the anchor plate
Anchoring sleeve 11 on 12, spring 16, lead for retractable pencil 17 and the anchorage 14 being arranged in the anchoring sleeve 11, the anchoring sleeve 11
Integrally welded with the anchor plate 12, circumferentially spaced-apart uniform welding is set between 11 outer wall of anchoring sleeve and anchor plate 12
It is equipped with ribbed stiffener 13, for increasing the structural strength between anchoring sleeve 11 and anchor plate 12.
The spring 16 uses high-strength compressed spring, and the spring 16 is folded between the anchorage 14 and anchor plate 12,
The both ends of spring 16 are connect with anchor plate 12 and anchorage 14 respectively, and the rigidity of the spring 16 is determined according to anchor cable working pulling force.
As shown in Figures 3 and 4,17 outer diameter of lead for retractable pencil is less than 16 internal diameter of spring, and lead for retractable pencil 17 is placed in the spring 16,
Several through-holes 111 are provided on 11 side wall of sleeve, several through-holes 111 are in plum blossom on 11 side wall of anchoring sleeve
Type is evenly arranged；A plurality of 21 one end of steel strand wires is fixed in anchoring section 3, and the other end sequentially passes through anchor plate 12, lead for retractable pencil 17 and anchor
Tool 14 applies pre-stress rear anchor admittedly on anchorage 14 through stretch-draw jack, applies prestressing force to steel strand wires 21, and anchorage 14 pushes,
Lead for retractable pencil 17 is full of the space between anchorage 14, anchor plate 12 and anchoring sleeve 11 after deforming, lead for retractable pencil 17 is squeezed into the through-hole
111, spring 16 is in compressive state, and is wrapped up by deformed lead for retractable pencil 17, and anchor cable is in normal use working condition.At anchor cable
When working condition, the pressure that spring 16 is born is equal to the design pulling force of anchor cable.When earthquake occurs, anchor cable pulling force increases, spring
16, more than being in state of plastic deformation after the pressure threshold of setting, can maintain the pressure of setting and biggish deformation occurs；If bullet
Spring 16 is in elastic stage always, and the decrement and pressure of spring 16 are directly proportional, the displacement that anchorage occurs with respect to anchoring sleeve compared with
Small, energy consumption effect is poor, and anchor cable pulling force is excessive when generating larger displacement, and anchor cable is easy to happen rupture failure；And it is of the invention
In, plastic deformation is just generated after spring 16 is more than certain pressure threshold, makes anchorage with respect to anchor while maintaining the pressure
Gu biggish displacement occurs for sleeve, and then energy consumption anchor 1 is made to generate biggish energy consumption；At the same time, free section of anchor cable
Length can effectively avoid anchor cable because overloading or deforming to allow slip mass that certain displacement and energy consumption occurs
It destroys greatly, to achieve the purpose that energy dissipation and protect anchor cable.
The hole with the equal numbers of the steel strand wires 21 is provided on the anchorage 14, being provided with intermediate plate 15 in the hole makes the steel
Twisted wire 21 is fixed on the anchorage 14.The steel strand wires hole with the equal numbers of the steel strand wires 21 is provided on the anchor plate 12
121, the hole with the equal numbers of the steel strand wires 21 is also equipped on the lead for retractable pencil 17, for passing through steel strand wires 21.
As shown in Figures 2 and 3,11 cross section of anchoring sleeve is in circular ring shape, and 11 inner wall of anchoring sleeve is equipped with small cone
Degree, 11 internal diameter of anchoring sleeve reduces along anchorage 14 toward 12 direction of anchor plate, when being moved with increasing anchorage 14 to 12 direction of anchor plate
Frictional force between anchoring sleeve 11.11 inner-wall spraying of anchoring sleeve has the inorganic friction coatings 112 of great friction coefficient,
To increase the coefficient of friction between anchorage 14 and anchoring sleeve 11.By being equipped with small taper in 11 inner wall of anchoring sleeve
With inorganic friction coatings 112, the frictional force of anchorage 14 Yu 11 inner wall of anchoring sleeve is considerably increased, to increase earthquake
When the energy that can dissipate of anchor cable.
Energy consumption anchor 1 of the present invention has dual energy consumption mechanism, i.e. lead for retractable pencil 17 squeezes energy consumption and anchorage 14
Friction energy-dissipating between anchoring sleeve 11.When earthquake occurs, slip mass glides and then squeezes anchor plate 12, and spring 16 is shunk, lead
Core 17 is extruded the through-hole 111 on 11 barrel of anchoring sleeve, generates and squeezes energy consumption；Simultaneously in 14 side of anchorage and anchoring sleeve 11
Friction energy-dissipating occurs for wall, and can effectively dissipate seismic energy.By squeezing high strong spring 16, the length of the free segment 2 of anchor cable,
Allow slip mass that certain displacement occurs and generate displacement energy consumption, while can effectively avoid anchor cable and being pulled off, to reach antidetonation
Consume energy and protect the purpose of anchor cable.
Anchoring section 3 of the present invention has construction identical with common prestress anchorage cable, 21 one end of steel strand wires with free segment 2
It is fixedly connected with guiding end 31, when construction, first bores anchor cable hole on slip mass, then fill guiding end 31 and steel strand wires 21
Enter anchor cable hole, anchoring section 3 is mounted in basement rock by 22 slip casting of Grouting Pipe.Then the construction of concrete anchor pier 18 is completed again,
Then energy consumption anchor 1 is installed again.
It is illustrated in figure 3 the original state of installation energy consumption anchor 1, anchoring cartridge is successively installed on concrete anchor pier 18
Assembly, spring 16, lead for retractable pencil 17, the anchorage 14 of cylinder 11 and anchor plate 12.Steel strand wires 21 sequentially pass through the aperture of anchor plate 12
121 and lead for retractable pencil 17, anchorage 14 on hole, and steel strand wires 21 are fixed on anchorage 14 by intermediate plate 15.At this time outside lead for retractable pencil 17
Diameter is less than high-strength 16 internal diameter of compressed spring.Stretch-draw jack is installed on anchorage 14, prestressing force is applied to anchor cable, as shown in figure 4,
Anchorage 14 pushes, and lead for retractable pencil 17 is full of the space between anchorage 14, anchor plate 12 and anchoring sleeve 11 after deforming.High-strength compressed spring
16 are in elastic stage, and the pressure born is equal to anchorage cable design pulling force.After the completion of prestress application, anchor cable is in normal use
Working condition (static(al) operating condition).
When earthquake occurs, potential slip mass glides, and drives and moves outside anchor plate 12 and anchoring sleeve 11, anchorage 14 and anchor plate
12, relative motion occurs for anchoring sleeve 11, and in the process, 14 side of anchorage and 11 inner wall of anchoring sleeve generate friction energy-dissipating,
17 anchorage 14 of lead for retractable pencil is squeezed, and part lead for retractable pencil is extruded the through-hole 111 on anchoring sleeve barrel, generates and squeezes energy consumption.Meanwhile it is high
Strong compressed spring 16 is compressed, the length of free section of anchor cable, and after anchor cable pulling force is more than the pressure threshold of setting, height is suppressed
Contracting spring 16 is in state of plastic deformation, and free section of anchor cable length is further elongated, and makes anchor cable will not in the displacement range of permission
Overload failure, while allowing slip mass that corresponding displacement, the friction energy-dissipating for the anchor that consumes energy and extruding energy consumption, Yi Jiqian occurs
It consumes energy in the displacement of slip mass, effectively dissipated inputting seismic energy, thus achieve the purpose that energy dissipation and protect anchor cable,
The Seismic Stability for improving side slope ensure that the normal support action of anchor cable after shake.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (8)
1. a kind of energy consumption antidetonation prestress anchorage cable comprising anchoring section (3), free segment (2) and energy consumption anchor (1), it is special
Sign is:
Energy consumption anchor (1) includes the anchor plate (12) being fixed on concrete anchor pier (18), is fixed on the anchor pad
Spring (16), lead for retractable pencil (17) and the anchorage (14) of anchoring sleeve (11), setting in the anchoring sleeve (11) on plate (12),
The spring (16) is folded between the anchorage (14) and anchor plate (12), and lead for retractable pencil (17) original outer diameter is less than the bullet
Spring (16) internal diameter, lead for retractable pencil (17) are placed in the spring (16), are provided with several through-holes on anchoring sleeve (11) side wall
(111)；
Steel strand wires (21) one end is fixed in anchoring section (3), and the other end sequentially passes through anchor plate (12), lead for retractable pencil (17) and anchorage
(14), apply pre-stress rear anchor admittedly on anchorage (14) through stretch-draw jack, prestressing force, anchorage (14) are applied to steel strand wires (21)
It pushes, full of the space between anchorage (14), anchor plate (12) and anchoring sleeve (11) after lead for retractable pencil (17) deformation, anchor cable is in just
It is often used working condition.
2. a kind of energy consumption antidetonation prestress anchorage cable according to claim 1, it is characterised in that: the anchoring sleeve (11) is horizontal
Section is in circular ring shape, and anchoring sleeve (11) inner wall is equipped with small taper, and anchoring sleeve (11) internal diameter is along anchorage (14) past anchor pad
Plate (12) direction reduces, to increase friction when anchorage (14) is moved to anchor plate (12) direction between anchoring sleeve (11)
Power.
3. a kind of energy consumption antidetonation prestress anchorage cable according to claim 1 or 2, it is characterised in that: the anchoring sleeve
(11) inner-wall spraying has inorganic friction coatings (112), to increase the coefficient of friction between anchorage (14) and anchoring sleeve (11).
4. a kind of energy consumption antidetonation prestress anchorage cable according to claim 1, it is characterised in that: several through-holes (111)
It is evenly arranged on the anchoring sleeve (11) side wall in blossom type.
5. a kind of energy consumption antidetonation prestress anchorage cable according to claim 1, it is characterised in that: the spring (16) is in pressure
Contracting state, counter-force be equal to anchor cable design pulling force, the spring (16) be more than setting pressure threshold after in plastic deformation shape
State.
6. a kind of energy consumption antidetonation prestress anchorage cable according to claim 1, it is characterised in that: be arranged on the anchorage (14)
There is the hole with numbers such as the steel strand wires (21), being provided with intermediate plate (15) in the hole makes the steel strand wires (21) be fixed on the anchor
Have on (14).
7. a kind of energy consumption antidetonation prestress anchorage cable according to claim 1, it is characterised in that: the lead for retractable pencil (17) and anchor pad
The hole with numbers such as the steel strand wires (21) is provided on plate (12).
8. a kind of energy consumption antidetonation prestress anchorage cable according to claim 1, it is characterised in that: the anchoring sleeve (11) with
The anchor plate (12) is integrally welded, anchoring sleeve (11) outer wall and anchor plate (circumferentially spaced-apart uniform weldering between 12
It connects and is provided with ribbed stiffener (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147320.4A CN109083144B (en) | 2018-09-29 | 2018-09-29 | Energy-consumption anti-seismic prestressed anchor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147320.4A CN109083144B (en) | 2018-09-29 | 2018-09-29 | Energy-consumption anti-seismic prestressed anchor cable |
Publications (2)
| Publication Number | Publication Date |
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| CN109083144A true CN109083144A (en) | 2018-12-25 |
| CN109083144B CN109083144B (en) | 2023-12-19 |
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| CN201811147320.4A Active CN109083144B (en) | 2018-09-29 | 2018-09-29 | Energy-consumption anti-seismic prestressed anchor cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344409A (en) * | 2019-07-12 | 2019-10-18 | 中南大学 | A kind of anchor pole anchor head assembly of energy-absorbing damping |
| CN110863490A (en) * | 2019-12-24 | 2020-03-06 | 中铁二院工程集团有限责任公司 | Pressure type shock-absorbing energy-dissipating pre-stressed anchor cable structure and construction method |
| CN112962631A (en) * | 2021-02-07 | 2021-06-15 | 四川华佑天成科技有限公司 | Slope reinforcement system and reinforcement method thereof |
| CN114396045A (en) * | 2022-03-04 | 2022-04-26 | 重庆交通大学 | Anti-seismic anchor cable structure and toughness improving method |
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| CN112962631A (en) * | 2021-02-07 | 2021-06-15 | 四川华佑天成科技有限公司 | Slope reinforcement system and reinforcement method thereof |
| CN114396045A (en) * | 2022-03-04 | 2022-04-26 | 重庆交通大学 | Anti-seismic anchor cable structure and toughness improving method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109083144B (en) | 2023-12-19 |
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