CN211816221U - Pressure type shock attenuation energy dissipation prestressed anchorage cable structure - Google Patents

Pressure type shock attenuation energy dissipation prestressed anchorage cable structure Download PDF

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Publication number
CN211816221U
CN211816221U CN201922391226.XU CN201922391226U CN211816221U CN 211816221 U CN211816221 U CN 211816221U CN 201922391226 U CN201922391226 U CN 201922391226U CN 211816221 U CN211816221 U CN 211816221U
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energy
baffle
free section
anchor cable
anchor
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姚裕春
叶世斌
袁碧玉
刘洋
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China Railway Eryuan Engineering Group Co Ltd CREEC
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China Railway Eryuan Engineering Group Co Ltd CREEC
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Abstract

The utility model discloses a pressure type shock attenuation energy dissipation prestressed anchorage cable structure, including the anchor rope body, the anchor rope body includes anchor section and free section, the anchor section is arranged in connecting in the slip casting body in anchor rope hole, the free section has the space all around and adopts anticorrosive lubricating oil to fill, free section stretch-draw and connect the energy dissipater, the energy dissipater can drive the free section is followed free section length direction reciprocating motion, the energy dissipater is used for the anchor in treating on the reinforcement structure body. The anchor cable structure prestress support device has the characteristics of simplicity in operation, no influence on the anchor cable structure prestress and the support component construction, economy, environmental protection, contribution to popularization and the like.

Description

Pressure type shock attenuation energy dissipation prestressed anchorage cable structure
Technical Field
The utility model relates to a geotechnical engineering field especially relates to a pressure type shock attenuation energy dissipation prestressed anchorage cable structure and construction method.
Background
The high-intensity seismic areas are distributed in large quantities in China, the investment of slope reinforcement engineering for excavation in the high-intensity seismic areas is high, and the reinforcement engineering is easy to damage under the action of earthquakes. The anchor cable is widely applied to slope reinforcement engineering, and the stress mechanism of the prestressed anchor cable is more suitable for slope reinforcement of the engineering. How to realize the shock absorption and energy dissipation effects of the prestressed anchor cables in a high-intensity earthquake area, thereby avoiding the problem of instability caused by overlarge instantaneous stress of the anchor cables in the earthquake, being capable of enduring the repeated action of the earthquake and having good economical efficiency.
Therefore, the prestressed anchor cable structure which has a good energy dissipation effect, is convenient to construct, can withstand repeated action of an earthquake and is good in economy has important significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problems in the prior art, a pressure type shock absorption and energy dissipation pre-stressed anchor cable structure and a construction method are provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
the pressure type damping and energy dissipation prestressed anchor cable structure comprises an anchor cable body, wherein the anchor cable body comprises an anchoring section and a free section, the anchoring section is connected to a grouting body of an anchor cable hole, gaps are formed in the periphery of the free section and filled with anticorrosive lubricating oil, the free section is stretched and connected with an energy dissipation device, the energy dissipation device can drive the free section to reciprocate along the length direction of the free section, and the energy dissipation device is used for anchoring on a structure to be reinforced.
The structure to be reinforced comprises a side slope, a tunnel wall or a side wall.
By adopting the pressure type damping and energy dissipation prestressed anchor cable structure, the energy dissipation device is arranged between the outer side of the free section of the anchor cable body and the structure body to be reinforced, the free section and the energy dissipation device form prestress tensioning fixed connection, when an earthquake occurs, the energy dissipation device shrinks, deforms and dissipates energy, and after the earthquake, the energy dissipation device deforms and recovers, so that the anchor cable structure has repeated anti-seismic and energy dissipation effects, after the prestress of the anchor cable body is constructed, the anchor cable body is not directly connected with the structure body to be reinforced, and is fixedly connected with the structure body to be reinforced through the energy dissipation device, so that the prestress of the anchor cable body is not influenced by subsequent construction, and the force of the anchor cable body is transmitted to the structure body to be reinforced; the anchoring section of the anchor cable body provides anchoring force, the free section provides prestress, and the gap isolates the free section from the grouting body, so that the free section can generate prestress when being tensioned; the energy dissipation device plays an energy dissipation role when an earthquake occurs and is used as a prestress locking structure of the anchor cable body; the anchor cable is simple in structure, convenient to use and good in effect.
Preferably, the free section is sleeved in a closed sleeve, and the closed sleeve is arranged in the anchor cable hole.
Further preferably, the closure sleeve is a steel sleeve or a plastic sleeve.
Further preferably, the dissipaters are located in the excavated holes.
Further preferably, a mortar closing body is filled between the energy dissipater outer wall and the excavation hole inner wall.
Further preferably, the dissipaters are connected to support members connected to the structure to be reinforced.
Further preferably, the support member is a frame grid structure.
Further preferably, the support member is a reinforced concrete structure.
Preferably, the energy dissipater comprises an elastic component and a protective sleeve, the axial direction of the protective sleeve is parallel to the length direction of the free section, the elastic component is arranged in the protective sleeve and can elastically stretch along the axial direction of the protective sleeve, the protective sleeve is used for being connected to the structure to be reinforced, and the outer end of the elastic component in the stretching direction is connected to the free section and the inner end of the elastic component is used for being connected to the structure to be reinforced.
Further preferably, the elastic member is a spring.
Further preferably, the energy dissipater further comprises an inner baffle and an outer baffle, the inner baffle and the outer baffle are respectively connected to two ends of the elastic component in the stretching direction, the inner baffle is located on one side of the anchor cable hole, the outer baffle is located on one side of the structure to be reinforced, the inner baffle is located at the end of the protective sleeve, the outer baffle is slidably arranged in the protective sleeve, the free section penetrates through the inner baffle and the outer baffle and is connected to the outer baffle, and the inner baffle is anchored on the structure to be reinforced through a connecting component.
With this arrangement, the elastic part of the energy dissipater is arranged in the protective sleeve and can move freely to deform and deform for recovery, so as to play a role in damping and dissipating energy, the inner baffle and the outer baffle are used for fixing the free section and the connecting part, and the connecting part is used for connecting the support part, so as to transmit the force of the anchor cable body to the support part.
Further preferably, the energy dissipater further comprises an inner baffle and an outer baffle, the inner baffle and the outer baffle are respectively connected to two ends of the elastic component in the stretching direction, the inner baffle is located on one side of the anchor cable hole, the outer baffle is located on one side of the structure to be reinforced, the outer baffle is anchored on the structure to be reinforced through a connecting component, the inner baffle is slidably arranged in the protective sleeve, the free section is connected to the inner baffle, and the length of the protective sleeve meets the maximum elastic extension of the elastic component.
Further preferably, the inside barrier is a steel plate.
Further preferably, the outer barrier is a steel plate.
Further preferably, the connecting member is an anchoring bar.
Further preferably, the protective sleeve is a steel sleeve.
The utility model also provides a construction method of pressure type shock attenuation energy dissipation prestressed anchorage cable structure as above, including following step:
A. forming the anchor cable hole on the structure body to be reinforced;
B. sleeving a closed sleeve outside the free section, and arranging the anchor cable body and the closed sleeve in the anchor cable hole;
C. grouting the anchor cable hole, forming grouting body at the anchoring section, and anchoring the anchor cable hole;
D. forming an excavated hole on the structure body to be reinforced on the basis of the anchor cable hole;
E. the end part of the free section penetrates through the inner side baffle and the outer side baffle, the anchor cable body is tensioned, prestress is applied to the free section, and the free section is connected to the outer side baffle;
F. constructing a mortar closing body in a hole between the outer wall of the protective sleeve and the inner wall of the excavation hole;
G. and the construction supporting component is connected to the connecting component and the structure body to be reinforced.
By adopting the construction method of the pressure type damping and energy dissipation prestressed anchor cable structure of the utility model, the energy dissipation device is arranged between the outer side of the free section of the anchor cable body and the support component, the free section and the energy dissipation device form prestressed tension fixed connection, when an earthquake occurs, the elastic component of the energy dissipation device shrinks, deforms and dissipates energy, the elastic component deforms and recovers after the earthquake, and the anchor cable body has repeated anti-seismic and energy dissipation effects, the anchor cable body is not directly connected with the support component after being constructed with prestress, and the connecting component is fixedly connected with the support component through the energy dissipation device, so that the construction of the support component does not influence the prestressed anchor cable body; the anchoring section of the anchor rope body provides anchoring force, the free section provides prestress, and the closed sleeve isolates the free section from the grouting body, so that the free section can generate prestress when being tensioned; the energy dissipater plays an energy dissipation role when an earthquake occurs and is used as a prestress locking structure of the anchor cable body, the elastic part of the energy dissipater is arranged in the protective sleeve and can freely move to generate deformation and deformation recovery so as to play a role in shock absorption and energy dissipation, the inner side baffle and the outer side baffle are used for fixing the free section and the connecting part, and the connecting part is used for connecting the supporting part so as to transmit the force of the anchor cable body to the supporting part; the method has the characteristics of simple operation, no influence of the prestress of the anchor cable structure on the construction of the supporting part, economy, environmental protection, contribution to popularization and the like.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a pressure type shock attenuation energy dissipation prestressed anchorage cable structure, through set up the energy absorber between the free section outside of anchor rope body and the structure of waiting to consolidate, the free section with the energy absorber forms prestressing force stretch-draw fixed connection, when the earthquake takes place, the energy absorber shrink deformation energy dissipation, after the earthquake the energy absorber deformation resumes, has repeated antidetonation energy dissipation effect, directly not be connected with the structure of waiting to consolidate after the anchor rope body construction prestressing force, through the energy absorber with wait to consolidate the fixed connection of structure, so follow-up construction does not influence prestressing force the anchor rope body, and transmit the power of the anchor rope body to wait to consolidate the structure; the anchoring section of the anchor cable body provides anchoring force, the free section provides prestress, and the gap isolates the free section from the grouting body, so that the free section can generate prestress when being tensioned; the energy dissipation device plays an energy dissipation role when an earthquake occurs and is used as a prestress locking structure of the anchor cable body; the anchor cable is simple in structure, convenient to use and good in effect;
2. the utility model discloses a pressure type shock attenuation energy dissipation prestressed anchorage cable structure, the elastomeric element of energy absorber sets up in the protective case, can freely remove and produce deformation and deformation recovery, thereby play the effect of shock attenuation energy dissipation, inboard baffle and the outside baffle are used for fixing the free section and the adapting unit, the adapting unit is used for connecting the support component, thereby transmit the power of anchor rope body to the support component;
3. the utility model discloses a construction method of pressure type shock attenuation energy dissipation prestressed anchorage cable structure, through set up the energy absorber between the support component outside the free section of anchor cable body and the support component, the free section forms prestressing force stretch-draw fixed connection with the energy absorber, when the earthquake takes place, the elastic component of energy absorber contracts the deformation energy dissipation, after the earthquake the elastic component warp and recovers, has the effect of repeated antidetonation energy dissipation, after the construction prestressing force of anchor cable body not directly be connected with the support component, through the adapting unit of energy absorber with the support component fixed connection, so the support component construction does not influence prestressing force the anchor cable body; the anchoring section of the anchor rope body provides anchoring force, the free section provides prestress, and the closed sleeve isolates the free section from the grouting body, so that the free section can generate prestress when being tensioned; the energy dissipater plays an energy dissipation role when an earthquake occurs and is used as a prestress locking structure of the anchor cable body, the elastic part of the energy dissipater is arranged in the protective sleeve and can freely move to generate deformation and deformation recovery so as to play a role in shock absorption and energy dissipation, the inner side baffle and the outer side baffle are used for fixing the free section and the connecting part, and the connecting part is used for connecting the supporting part so as to transmit the force of the anchor cable body to the supporting part; the method has the characteristics of simple operation, no influence of the prestress of the anchor cable structure on the construction of the supporting part, economy, environmental protection, contribution to popularization and the like.
Drawings
FIG. 1 is a schematic structural view of a pressure type shock-absorbing and energy-dissipating pre-stressed anchor cable structure of the present invention;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
fig. 3 is a schematic cross-sectional view C-C of fig. 2.
Icon: 1-anchor cable body, 11-anchoring section, 12-free section, 2-closed sleeve, 3-grouting body, 4-energy dissipation device, 41-elastic component, 42-inner baffle, 43-outer baffle, 44-connecting component, 45-protective sleeve, 5-mortar closing body, 6-supporting component, A-anchor cable hole and B-excavating hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1-3, the pressure type damping and energy dissipating prestressed anchor cable structure of the present invention includes an anchor cable body 1, wherein the anchor cable body 1 includes an anchoring section 11 and a free section 12.
The anchoring section 11 is used for being connected to a grouting body 3 of an anchor cable hole A, gaps are formed around the free section 12 and filled with anti-corrosion lubricating oil, the free section 12 is sleeved in a closed sleeve 2 to form the gaps, and the closed sleeve 2 is arranged in the anchor cable hole A; specifically, the anchor cable hole a is a drilled hole, and the closed casing 2 is a steel casing or a plastic casing.
The free section 12 is tensioned and connected with an energy dissipation device 4, the energy dissipation device 4 can drive the free section 12 to reciprocate along the length direction of the free section 12, the energy dissipation device 4 is arranged in an excavation hole B, and the excavation hole B is excavated and formed on the basis of the opening of the anchor cable hole A; the structure to be reinforced comprises a side slope, a tunnel wall or a side wall.
The energy dissipater 4 comprises an elastic component 41, an inner baffle 42, an outer baffle 43, a connecting component 44 and a protective sleeve 45, wherein the axial direction of the protective sleeve 45 is parallel to the length direction of the free section 12, the elastic component 41 is arranged in the protective sleeve 45 and can elastically stretch along the axial direction of the protective sleeve 45, a mortar enclosed body 5 is filled between the outer wall of the protective sleeve 45 and the inner wall of the excavation hole B, the inner baffle 42 and the outer baffle 43 are respectively connected to two ends of the elastic component 41 in the stretching direction, the inner baffle 42 is positioned on one side of the anchor cable hole A, the outer baffle 43 is positioned on one side of the structure to be reinforced, the inner baffle 42 is positioned at the end part of the protective sleeve 45, the outer baffle 43 is slidably arranged in the protective sleeve 45, the free section 12 passes through the central holes of the inner baffle 42 and the outer baffle 43 and is connected to the outer baffle 43, the inner barrier 42 is anchored to a support member 6 by means of a connecting member 44, the support member 6 being connected to the structure to be reinforced.
Specifically, the elastic component 41 is a plurality of springs, the springs are uniformly distributed outside the free section 12, the inner side baffle 42 and the outer side baffle 43 are steel plates, the connecting component 44 is an anchoring steel bar, the springs are located outside the anchoring steel bar, as shown in fig. 3, the springs include a plurality of anchoring steel bars, the anchoring steel bars are uniformly distributed outside the free section 12, the protective sleeve 45 is a steel sleeve, the supporting component 6 is a frame grid structure of reinforced concrete, and the protective sleeve 45 is connected to the supporting component 6.
By applying the pressure type damping and energy dissipation prestressed anchor cable structure of the utility model, the energy dissipation device 4 is arranged between the outer side of the free section 12 of the anchor cable body 1 and the support component 6, the free section 12 and the energy dissipation device 4 form a prestressed tensioning fixed connection, when an earthquake occurs, the elastic component 41 of the energy dissipation device 4 contracts, deforms and dissipates energy, the elastic component 41 recovers after the earthquake, and has repeated anti-seismic and energy dissipation effects, the anchor cable body 1 is not directly connected with the support component 6 after being prestressed, and the connecting component 44 of the energy dissipation device 4 is fixedly connected with the support component 6, so that the support component 6 does not influence the prestressed anchor cable body 1 during construction; the anchoring section 11 of the anchor cable body 1 provides anchoring force, the free section 12 provides prestress, and the closed sleeve 2 isolates the free section 12 from the grouting body 3, so that the free section 12 can generate prestress when being tensioned; the energy dissipater 4 performs an energy dissipation function when an earthquake occurs and serves as a prestressed locking structure of the anchor cable body 1, the elastic part 41 of the energy dissipater 4 is arranged in the protective sleeve 45 and can freely move to generate deformation and deformation recovery so as to perform a shock absorption and energy dissipation function, the inner baffle 42 and the outer baffle 43 are used for fixing the free section 12 and the connecting part 44, and the connecting part 44 is used for connecting the support part 6 so as to transmit the force of the anchor cable body 1 to the support part 6; the anchor cable is simple in structure, convenient to use and good in effect.
Example 2
A pressure type shock attenuation energy dissipation prestressed anchorage cable structure, with embodiment 1's difference lie in, in this embodiment, interior side shield 42 with exterior side shield 43 connect respectively in the both ends of the flexible direction of elastomeric element 41, interior side shield 42 is located anchor rope hole a one side, exterior side shield 43 is located treat reinforced structure one side, exterior side shield 43 pass through adapting unit 44 anchor in treat reinforced structure is last, interior side shield 42 slides and locates in protective case 45, free section 12 connect in on the interior side shield 42, protective case 45's length satisfies the biggest elastic extension of elastomeric element 41.
Example 3
As shown in fig. 1-3, the construction method of a pressure type energy-absorbing and energy-dissipating pre-stressed anchor cable structure of the present invention applies a pressure type energy-absorbing and energy-dissipating pre-stressed anchor cable structure as described in embodiment 1, and the method includes the following steps:
A. forming the anchor cable hole A on the structure body to be reinforced;
B. sleeving the closed sleeve 2 outside the free section 12, and arranging the anchor cable body 1 and the closed sleeve 2 in the anchor cable hole A;
C. performing high-pressure grouting on the anchor cable hole A, forming the grouting body 3 in the anchoring section 11, and anchoring the anchor cable hole A;
D. forming an excavated hole B on the structure body to be reinforced on the basis of the anchor cable hole A;
E. the end of the free section 12 passes through the inner side baffle plate 42 and the outer side baffle plate 43, the anchor cable body 1 is tensioned, the free section 12 is prestressed, and the free section 12 is welded on the outer side baffle plate 43;
F. constructing the mortar closing body 5 in the hole between the outer wall of the protective sleeve 45 and the inner wall of the excavated hole B;
G. the supporting member 6 is constructed, and the supporting member 6 is connected to the connecting member 44 and the structure to be reinforced.
By applying the construction method of the pressure type shock absorption and energy dissipation prestressed anchor cable structure of the utility model, the energy dissipation device 4 is arranged between the outer side of the free section 12 of the anchor cable body 1 and the support component 6, the free section 12 and the energy dissipation device 4 form a prestressed tension fixed connection, when an earthquake occurs, the elastic component 41 of the energy dissipation device 4 shrinks, deforms and dissipates energy, the elastic component 41 deforms and recovers after the earthquake, and the anchor cable body 1 has repeated anti-seismic and energy dissipation effects, after being prestressed, is not directly connected with the support component 6, and is fixedly connected with the support component 6 through the connecting component 44 of the energy dissipation device 4, so that the support component 6 is constructed without influencing the prestressed anchor cable body 1; the anchoring section 11 of the anchor cable body 1 provides anchoring force, the free section 12 provides prestress, and the closed sleeve 2 isolates the free section 12 from the grouting body 3, so that the free section 12 can generate prestress when being tensioned; the energy dissipater 4 performs an energy dissipation function when an earthquake occurs and serves as a prestressed locking structure of the anchor cable body 1, the elastic part 41 of the energy dissipater 4 is arranged in the protective sleeve 45 and can freely move to generate deformation and deformation recovery so as to perform a shock absorption and energy dissipation function, the inner baffle 42 and the outer baffle 43 are used for fixing the free section 12 and the connecting part 44, and the connecting part 44 is used for connecting the support part 6 so as to transmit the force of the anchor cable body 1 to the support part 6; the method has the characteristics of simple operation, no influence on the construction of the anchor cable structure prestress and the support component 6, economy, environmental protection, contribution to popularization and the like.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The pressure type damping and energy dissipation prestressed anchor rope structure is characterized by comprising an anchor rope body (1), wherein the anchor rope body (1) comprises an anchoring section (11) and a free section (12), the anchoring section (11) is used for being connected into a grouting body (3) of an anchor rope hole (A), gaps are formed in the periphery of the free section (12) and filled with anticorrosive lubricating oil, the free section (12) is tensioned and connected with an energy dissipation device (4), the energy dissipation device (4) can drive the free section (12) to reciprocate along the length direction of the free section (12), and the energy dissipation device (4) is used for being anchored on a structure body to be reinforced.
2. A prestressed anchorage cable structure with shock absorption and energy dissipation functions according to claim 1, wherein the free section (12) is sleeved in a closed sleeve (2), and the closed sleeve (2) is arranged in the anchor cable hole (a).
3. A pressure type shock-absorbing and energy-dissipating prestressed anchor rope structure according to claim 2, wherein said energy dissipater (4) is disposed in the excavated hole (B).
4. A pressure type shock-absorbing and energy-dissipating prestressed anchor rope structure according to claim 3, wherein a mortar closing body (5) is filled between the outer wall of said energy-dissipating device (4) and the inner wall of said excavated hole (B).
5. A pressure type shock-absorbing and energy-dissipating prestressed anchor rope structure according to claim 4, wherein said energy dissipater (4) is connected to a support member (6), and said support member (6) is connected to said structure to be reinforced.
6. The prestressed anchor cable structure of one of claims 1-5, wherein said energy-dissipating device (4) comprises an elastic member (41) and a protective sleeve (45), the axial direction of said protective sleeve (45) is parallel to the length direction of said free section (12), said elastic member (41) is disposed in said protective sleeve (45) and can elastically expand and contract along the axial direction of said protective sleeve (45), said protective sleeve (45) is used for connecting to said structure to be reinforced, the outer end of the expansion direction of said elastic member (41) is connected to said free section (for two), and the inner end of the expansion direction of said elastic member (41) is used for connecting to said structure to be reinforced.
7. A pressure type shock absorbing and energy dissipating pre-stressed anchor cable structure according to claim 6, wherein the elastic member (41) is a spring.
8. A pressure type shock-absorbing and energy-dissipating pre-stressed anchor cable structure according to claim 6, the energy dissipater (4) further comprises an inner baffle (42) and an outer baffle (43), the inner baffle (42) and the outer baffle (43) are respectively connected with two ends of the elastic component (41) in the stretching direction, the inner side baffle (42) is positioned at one side of the anchor cable hole (A), the outer side baffle (43) is positioned at one side of the structure body to be reinforced, the inner baffle (42) is positioned at the end part of the protective sleeve (45), the outer baffle (43) is arranged in the protective sleeve (45) in a sliding way, the free section (12) passes through the inside baffle (42) and the outside baffle (43) and is connected to the outside baffle (43), the inner baffle (42) is anchored to the structure to be reinforced by means of a connecting element (44).
9. A pressure type shock-absorbing and energy-dissipating pre-stressed anchor cable structure according to claim 8, wherein the connecting members (44) are anchoring reinforcing bars.
10. A prestressed anchorage cable structure with shock-absorbing and energy-dissipating functions as claimed in claim 6, wherein the energy-dissipating device (4) further comprises an inner baffle (42) and an outer baffle (43), the inner baffle (42) and the outer baffle (43) are respectively connected to two ends of the elastic component (41) in the expansion and contraction direction, the inner baffle (42) is located at one side of the anchor cable hole (A), the outer baffle (43) is located at one side of the structure to be reinforced, the outer baffle (43) is anchored to the structure to be reinforced through a connecting component (44), the inner baffle (42) is slidably arranged in the protective sleeve (45), the free section (12) is connected to the inner baffle (42), and the length of the protective sleeve (45) satisfies the maximum elastic elongation of the elastic component (41).
CN201922391226.XU 2019-12-24 2019-12-24 Pressure type shock attenuation energy dissipation prestressed anchorage cable structure Active CN211816221U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN115595967A (en) * 2022-09-09 2023-01-13 重庆交通大学(Cn) Damping type prestress self-compensating anchor cable device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN115595967A (en) * 2022-09-09 2023-01-13 重庆交通大学(Cn) Damping type prestress self-compensating anchor cable device

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