CN117758615B - Cable-stayed bridge construction monitoring equipment and method - Google Patents
Cable-stayed bridge construction monitoring equipment and method Download PDFInfo
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- CN117758615B CN117758615B CN202311813154.8A CN202311813154A CN117758615B CN 117758615 B CN117758615 B CN 117758615B CN 202311813154 A CN202311813154 A CN 202311813154A CN 117758615 B CN117758615 B CN 117758615B
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- 238000003384 imaging method Methods 0.000 claims description 6
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Abstract
The invention relates to the field of bridge construction, in particular to a cable-stayed bridge construction monitoring device and method, comprising a stay cable monitoring mechanism matched with each stay cable for monitoring the stay cable; the stay cable monitoring mechanism comprises two groups of semicircular hoops which are sleeved on the stay cable and coaxial with the stay cable, a mounting plate arranged on the bridge deck and a mounting seat arranged on the mounting plate; a ranging device for ranging upwards is arranged on a fixed plate at the outer side of the bridge deck, and a laser ranging device for ranging downwards is arranged on a fixed plate at the inner side of the bridge deck; the vertical plate is provided with a lifting plate in a sliding manner, the lifting plate is provided with X-direction scale marks and Y-direction scale marks, and a laser point of the laser ranging device irradiates on a center point a; the mounting seat is provided with an image pickup device. The invention can monitor the length, angle, vibration and stress strain of the stay cable, and the whole device is directly arranged at the bottom of the stay cable and on the bridge deck, so that the disassembly and the assembly are time-saving and labor-saving, parts are not required to be arranged on a cable tower, and the potential safety hazard caused by high-place operation is avoided.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a cable-stayed bridge construction monitoring device and method.
Background
In the construction process of the cable-stayed bridge, various contents such as stress monitoring, deformation monitoring, cable force monitoring, beam section and bridge deck elevation monitoring, tower deflection monitoring, support monitoring, wind vibration monitoring and the like are required to be monitored, and through the monitoring, the safety and construction quality of the construction process can be ensured, and meanwhile, important reference basis can be provided for the design and construction of the cable-stayed bridge.
The Chinese patent with the bulletin number of CN113186827B discloses a cable-stayed bridge construction monitoring device and a cable-stayed bridge construction monitoring method, wherein the position height of a stay cable on a cable tower is measured through a first microwave radar, and the position distance of the stay cable on a cable-stayed bridge deck from a second microwave radar is measured through a second microwave radar, so that whether the installed stay cable meets the design requirement or not can be confirmed through the first microwave radar and the second microwave radar, the measuring efficiency is high, the accuracy is high, and the labor intensity of workers is reduced.
However, the above disclosed solution has the following disadvantages: the mounted position of monitoring facilities includes bridge floor and cable tower, and bridge floor installation is simple, but the microwave radar at cable tower top installs trouble, and follow-up regulation or demolish the microwave radar at cable tower top and waste time and energy again, exists great potential safety hazard when cable tower top installation in addition.
Disclosure of Invention
The invention aims to solve the problems that in the background technology, a cable-stayed bridge cable monitoring device is inconvenient to disassemble and assemble and potential safety hazards exist in the disassembling and assembling process, and provides a cable-stayed bridge construction monitoring device and method.
In one aspect, the invention provides cable-stayed bridge construction monitoring equipment, which comprises a pier, a bridge deck and a cable tower which are arranged on the pier, and a plurality of stay cables for connecting the bridge deck and the cable tower; the stay cable monitoring mechanism is matched with each stay cable and used for monitoring the stay cable;
the stay cable monitoring mechanism comprises two groups of semicircular hoops which are sleeved on the stay cable and coaxial with the stay cable, a mounting plate arranged on the bridge deck and a mounting seat arranged on the mounting plate;
The outer walls of the two groups of semicircular hoops are provided with fixing plates, the fixing plates on the outer side of the bridge deck are provided with distance measuring devices which axially extend along the stay cable and upwardly measure distance, the fixing plates on the inner side of the bridge deck are provided with laser distance measuring devices which axially extend along the stay cable and downwardly measure distance, and the two groups of fixing plates are provided with monitoring holes; the mounting plate is arranged on the bridge deck, the vertical plate is arranged on the mounting plate, the lifting plate is arranged on the vertical plate in a sliding manner along the vertical direction, the bottom of the stay cable is positioned in the upper surface of the lifting plate, the X-direction scale line and the Y-direction scale line along the length and the width direction of the bridge deck are arranged on the lifting plate, the middle of the X-direction scale line and the Y-direction scale line are intersected at a set center point a, and the laser point of the laser ranging device irradiates on the center point a; the mount pad sets up on the riser, is provided with the camera device that shoots laser rangefinder and shines the laser spot location on the lifter plate on the mount pad.
Preferably, the device further comprises a scale bolt; the two groups of semicircular hoops are connected through a plurality of bolts, a plurality of threaded holes are formed in the two groups of semicircular hoops along the radial direction, scale bolts are matched with the threaded holes, the ends of the scale bolts are in contact with the stay cables, and the lengths of the plurality of scale bolts inserted into the semicircular hoops are the same.
Preferably, a plurality of mounting holes are formed in the mounting plate; a plurality of sliding rails are vertically arranged on the vertical plate, a plurality of sliding grooves matched with the sliding rails are arranged on the lifting plate, a strip-shaped groove is vertically arranged on the vertical plate, a screw rod a penetrating through the strip-shaped groove is arranged on the lifting plate, and the screw rod a is locked on the vertical plate through a locking nut a.
Preferably, the device also comprises a U-shaped frame, a torsion pointer and a turntable; the U-shaped frame is arranged on the outer wall of the semicircular hoop close to the inner side, and laser rays of the laser ranging device penetrate through the U-shaped frame; the turntable is rotatably arranged on the vertical plate, and a center point b and a torsion scale line are arranged on the turntable; the torsion pointer is arranged on the U-shaped frame and points to the center point b, and when the stay cable is twisted, the torsion pointer rotates along the direction of the torsion scale mark, and the camera device shoots a rotary table while shooting the vicinity of the center point a.
Preferably, through holes are formed in the vertical plates, a screw rod b is arranged at the center of the end face of the turntable, which faces the vertical plates, and the screw rod b is locked on the vertical plates through a locking nut b.
Preferably, the vibration sensor is arranged on the outer semicircular hoop.
Preferably, the device further comprises a stress monitoring device arranged on the outer semicircular hoop, and a strain gauge of the stress monitoring device is fixed on the stay cable.
On the other hand, the invention provides a monitoring method of cable-stayed bridge construction monitoring equipment, which comprises the following steps:
S1, pre-fixing two groups of semicircular hoops at a position of the stay cable close to the bottom, so that the semicircular hoops and the stay cable are coaxial;
s2, placing the mounting plate on the bridge deck and approaching the bottom of the stay cable;
S3, adjusting the position of the mounting plate, the angle of the turntable and the height of the lifting plate, enabling the upper surface of the lifting plate and the bottom of the stay cable to be located at the same height, keeping the torsion pointer to point to a center point b, and simultaneously enabling the laser irradiation point of the laser ranging device to be located at the center point a, and respectively fixing the semicircular anchor ear and the mounting plate;
s4, fixing a strain gauge on the stay cable, wherein the strain gauge is positioned below the semicircular anchor ear;
S5, uploading data according to the set monitoring frequency by the ranging device, the laser ranging device, the vibration sensor, the stress monitoring device and the camera device, and completing monitoring of the stay cable.
Compared with the prior art, the invention has the following beneficial technical effects: the length of the stay cable is monitored through the ranging device and the ranging device, the angle of the stay cable is monitored through shooting the laser point position on the lifting plate by the camera device, the torsion condition of the stay cable is monitored through torsion pointers and torsion graduation marks, the vibration condition of the stay cable is monitored through the vibration sensor, and the stress strain condition of the stay cable is monitored through the stress monitoring device. The whole device is directly installed on the bottom of the stay cable and the bridge deck, so that the disassembly and assembly are time-saving and labor-saving, parts do not need to be installed on a cable tower, and potential safety hazards caused by overhead operation are avoided.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a stay cable monitoring mechanism;
fig. 3, 4 and 5 are all isometric views of fig. 2.
Reference numerals: 1. a pier; 2. bridge deck; 3. a cable tower; 4. stay cables; 5. a stay cable monitoring mechanism; 6. semicircular anchor ear; 7. a scale bolt; 8. a fixing plate; 9. a monitoring hole; 10. a distance measuring device; 11. a laser ranging device; 12. a mounting plate; 13. a mounting hole; 14. a lifting plate; 15. a riser; 16. a slide rail; 17. a bar-shaped groove; 18. a screw a; 19. a lock nut a; 20. x-direction graduation marks; 21. y-direction graduation marks; 22. a center point a; 23. a mounting base; 24. an image pickup device; 25. a U-shaped frame; 26. twisting the pointer; 27. a turntable; 28. a screw b; 29. a lock nut b; 30. a vibration sensor; 31. a stress monitoring device; 32. a strain gage; 33. a center point b; 34. the graduation mark is twisted.
Detailed Description
Example 1
As shown in fig. 1, the cable-stayed bridge construction monitoring device provided by the invention comprises a pier 1, a bridge deck and a cable tower 3 which are arranged on the pier 1, and a plurality of stay cables 4 which connect the bridge deck and the cable tower 3; also comprises a stay cable monitoring mechanism 5 which is matched with each stay cable 4 and used for monitoring the stay cables 4;
as shown in fig. 2-5, the stay cable monitoring mechanism 5 comprises two sets of semicircular hoops 6 sleeved on the stay cable 4 and coaxial with the stay cable 4, a mounting plate 12 arranged on the bridge deck 2, and a mounting seat 23 arranged on the mounting plate 12;
The outer walls of the two groups of semicircular hoops 6 are provided with fixed plates 8, the fixed plates 8 on the outer side of the bridge deck 2 are provided with distance measuring devices 10 which are arranged along the axial direction of the stay cable 4 and upwards, the fixed plates 8 on the inner side of the bridge deck are provided with laser distance measuring devices 11 which are arranged along the axial direction of the stay cable 4 and downwards, and the two groups of fixed plates 8 are provided with monitoring holes 9; the mounting plate 12 is arranged on the bridge deck 2, the vertical plate 15 is arranged on the mounting plate 12, the lifting plate 14 is arranged on the vertical plate 15 in a sliding manner along the vertical direction, the bottom of the stay cable 4 is positioned in the upper surface of the lifting plate 14, the lifting plate 14 is provided with an X-direction scale line 20 and a Y-direction scale line 21 along the length and the width direction of the bridge deck 2, the middle parts of the X-direction scale line 20 and the Y-direction scale line 21 are intersected at a set center point a22, and the laser point of the laser ranging device 11 irradiates on the center point a 22; the mount 23 is provided on the riser 15, and the mount 23 is provided with an imaging device 24 for imaging the position of the laser spot irradiated on the lifter plate 14 by the laser ranging device 11.
Working principle: the two groups of semicircular hoops 6 are pre-fixed at the position of the stay cable 4, which is close to the bottom, so that the semicircular hoops 6 are coaxial with the stay cable 4, the mounting plate 12 is placed on the bridge deck 2 and is close to the bottom of the stay cable 4, the position of the mounting plate 12 and the height of the lifting plate 14 are adjusted, the upper surface of the lifting plate 14 and the bottom of the stay cable 4 are located at the same height, the laser irradiation point of the laser ranging device 11 is located at the center point a22, the semicircular hoops 6 and the mounting plate 12 are respectively fixed, the ranging device 10, the laser ranging device 11 and the camera device 24 upload data according to the set monitoring frequency, the monitoring of the stay cable 4 is completed, the ranging sum of the ranging device 10 and the laser ranging device 11 is used for monitoring the length of the stay cable 4, the camera device 24 shoots the laser spot position on the lifting plate 14 and is used for judging whether the angle change of the stay cable 4 occurs, when the angle change of the stay cable 4 and the horizontal plane occurs, when the angle change of the stay cable 4 and the vertical plane occur, the laser spot moves along the X scale line 20, the monitoring laser spot moves along the Y scale line 21, and the inclined state of the laser spot 4 can be judged.
In this embodiment, the length of the stay cable 4 is monitored through the ranging of the ranging device 10 and the laser ranging device 11, the angle of the stay cable 4 is monitored by shooting the laser point position on the lifting plate 14 through the camera device 24, and the whole device is directly installed on the bottom of the stay cable 4 and the bridge deck 2, so that the disassembly and assembly are time-saving and labor-saving, the installation of components on the cable tower 3 is not required, and the potential safety hazard caused by high-place operation is avoided.
Example two
As shown in fig. 5, compared with the first embodiment, the cable-stayed bridge construction monitoring device provided by the invention further comprises a scale bolt 7; through a plurality of bolted connection between two sets of semicircle staple bolts 6, all radially set up a plurality of screw holes on two sets of semicircle staple bolts 6, scale bolt 7 and screw hole cooperation, scale bolt 7 tip and stay cable 4 contact, the length that a plurality of scale bolts 7 inserted in the semicircle staple bolt 6 is the same, can guarantee that semicircle staple bolt 6 and stay cable 4 are coaxial, simple to operate.
As shown in fig. 2-4, further, a plurality of mounting holes 13 are formed on the mounting plate 12, and the mounting plate 12 can be fixed by bolts or screws; the vertical plate 15 is vertically provided with a plurality of sliding rails 16, the lifting plate 14 is provided with a plurality of sliding grooves matched with the sliding rails 16, the vertical plate 15 is vertically provided with a strip-shaped groove 17, the lifting plate 14 is provided with a screw rod a18 penetrating through the strip-shaped groove 17, and the screw rod a18 is locked on the vertical plate 15 through a locking nut a 19.
In this embodiment, coaxial arrangement between semicircle staple bolt 6 and stay cable 4 can be accomplished fast through a plurality of scale bolts 7, easy operation is convenient. Through the cooperation of slide rail 16 and spout, can adjust the height of lifter plate 14, after the altitude mixture control, can fix the position of lifter plate 14 through lock nut a19 locking.
Example III
As shown in fig. 2-4, compared with the first embodiment or the second embodiment, the cable-stayed bridge construction monitoring device according to the present invention further includes a U-shaped frame 25, a torsion pointer 26 and a turntable 27; the U-shaped frame 25 is arranged on the outer wall of the semicircular hoop 6 close to the inner side, and laser rays of the laser ranging device 11 penetrate through the U-shaped frame 25; the turntable 27 is rotatably arranged on the vertical plate 15, and the specific rotating structure is as follows: the vertical plate 15 is provided with a through hole, the center of the end face of the turntable 27 facing the vertical plate 15 is provided with a screw rod b28, the screw rod b28 is locked on the vertical plate 15 through a locking nut b29, and the turntable 27 is provided with a center point b33 and a torsion scale line 34; the torsion pointer 26 is disposed on the U-shaped frame 25 and points to the center point b33, and when the stay cable 4 is twisted, the torsion pointer 26 rotates along the direction of the torsion graduation line 34, and the imaging device 24 images the turntable 27 while imaging the vicinity of the center point a 22.
Further, the vibration sensor 30 arranged on the outer semi-circular hoop 6 and the stress monitoring device 31 arranged on the outer semi-circular hoop 6 are also included, and the strain gauge 32 of the stress monitoring device 31 is fixed on the stay cable 4.
In this embodiment, the torsion condition of the suspension cable 4 is monitored by the torsion pointer 26 and the torsion graduation mark 34, the vibration condition of the suspension cable 4 is monitored by the vibration sensor 30, and the stress strain condition of the suspension cable 4 is monitored by the stress monitoring device 31.
Example IV
The monitoring method based on the cable-stayed bridge construction monitoring equipment embodiment comprises the following steps:
S1, pre-fixing two groups of semicircular hoops 6 at the position of the stay rope 4 close to the bottom, so that the semicircular hoops 6 are coaxial with the stay rope 4;
S2, placing a mounting plate 12 on the bridge deck 2 and approaching the bottom of the stay rope 4;
S3, adjusting the position of the mounting plate 12, the angle of the turntable 27 and the height of the lifting plate 14, so that the upper surface of the lifting plate 14 and the bottom of the stay cable 4 are positioned at the same height, and keeping the torsion pointer 26 pointing to the center point b33, and simultaneously, the laser irradiation point of the laser ranging device 11 is positioned at the center point a 22;
s4, fixing a strain gauge 32 on the stay rope 4, wherein the strain gauge 32 is positioned below the semicircular anchor ear 6;
S5, uploading data according to the set monitoring frequency by the ranging device 10, the laser ranging device 11, the vibration sensor 30, the stress monitoring device 31 and the camera device 24, and completing monitoring of the stay cable 4.
In this embodiment, the length of the suspension cable 4 is monitored by the ranging device 10 and the ranging device 11, the angle of the suspension cable 4 is monitored by photographing the laser point position on the lifting plate 14 by the camera device 24, the torsion condition of the suspension cable 4 is monitored by twisting the pointer 26 and the torsion graduation mark 34, the vibration condition of the suspension cable 4 is monitored by the vibration sensor 30, and the stress strain condition of the suspension cable 4 is monitored by the stress monitoring device 31. The whole device is directly installed on the bottom of the stay rope 4 and the bridge deck 2, so that the disassembly and assembly are time-saving and labor-saving, parts do not need to be installed on the rope tower 3, and potential safety hazards caused by high-altitude operation are avoided.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. A cable-stayed bridge construction monitoring device comprises a pier (1), a bridge deck and a cable tower (3) which are arranged on the pier (1), and a plurality of stay cables (4) which are connected with the bridge deck and the cable tower (3); the device is characterized by further comprising a stay cable monitoring mechanism (5) which is matched with each stay cable (4) and used for monitoring the stay cables (4);
the stay cable monitoring mechanism (5) comprises two groups of semicircular hoops (6) which are sleeved on the stay cable (4) and are coaxial with the stay cable (4), a mounting plate (12) arranged on the bridge deck (2) and a mounting seat (23) arranged on the mounting plate (12);
The outer walls of the two groups of semicircular hoops (6) are provided with fixed plates (8), the fixed plates (8) on the outer side of the bridge deck (2) are provided with distance measuring devices (10) which are used for ranging upwards along the axial direction of the stay cable (4), the fixed plates (8) on the inner side of the bridge deck are provided with laser distance measuring devices (11) which are used for ranging downwards along the axial direction of the stay cable (4), and the two groups of fixed plates (8) are provided with monitoring holes (9); the mounting plate (12) is arranged on the bridge deck (2), the vertical plate (15) is arranged on the mounting plate (12), the lifting plate (14) is arranged on the vertical plate (15) in a sliding manner along the vertical direction, the bottom of the stay cable (4) is positioned in the upper surface of the lifting plate (14), the lifting plate (14) is provided with X-direction graduation marks (20) and Y-direction graduation marks (21) along the length and width directions of the bridge deck (2), the middle parts of the X-direction graduation marks (20) and the Y-direction graduation marks (21) are intersected at a central point a (22), and the laser point of the laser ranging device (11) irradiates on the central point a (22); the mounting seat (23) is arranged on the vertical plate (15), and the mounting seat (23) is provided with an imaging device (24) for shooting the laser spot position of the laser ranging device (11) irradiated on the lifting plate (14).
2. Cable-stayed bridge construction monitoring equipment according to claim 1, characterized in that it further comprises a graduated bolt (7); through a plurality of bolted connection between two sets of semicircle staple bolt (6), all radially set up a plurality of screw holes on two sets of semicircle staple bolt (6), scale bolt (7) and screw hole cooperation, scale bolt (7) tip and stay cable (4) contact, the length that a plurality of scale bolts (7) inserted in semicircle staple bolt (6) is the same.
3. Cable-stayed bridge construction monitoring equipment according to claim 1, characterized in that a plurality of mounting holes (13) are provided on the mounting plate (12); a plurality of sliding rails (16) are vertically arranged on the vertical plate (15), a plurality of sliding grooves matched with the sliding rails (16) are arranged on the lifting plate (14), a strip-shaped groove (17) is vertically arranged on the vertical plate (15), a screw rod a (18) penetrating through the strip-shaped groove (17) is arranged on the lifting plate (14), and the screw rod a (18) is locked on the vertical plate (15) through a locking nut a (19).
4. Cable-stayed bridge construction monitoring equipment according to claim 1, characterized in that it further comprises a U-shaped frame (25), a torsion pointer (26) and a turntable (27); the U-shaped frame (25) is arranged on the outer wall of the semicircular hoop (6) close to the inner side, and laser rays of the laser ranging device (11) penetrate through the U-shaped frame (25); the turntable (27) is rotatably arranged on the vertical plate (15), and a center point b (33) and a torsion scale line (34) are arranged on the turntable (27); the torsion pointer (26) is arranged on the U-shaped frame (25) and points to the center point b (33), when the stay cable (4) is twisted, the torsion pointer (26) rotates along the direction of the torsion scale mark (34), and the imaging device (24) images the vicinity of the center point a (22) and simultaneously images the turntable (27).
5. Cable-stayed bridge construction monitoring equipment according to claim 4, characterized in that the riser (15) is provided with a through hole, the turntable (27) is provided with a screw b (28) towards the center of the end face of the riser (15), and the screw b (28) is locked on the riser (15) by a locking nut b (29).
6. The cable-stayed bridge construction monitoring device according to claim 4, further comprising a vibration sensor (30) arranged on the outer semi-circular hoop (6).
7. The cable-stayed bridge construction monitoring device according to claim 6, further comprising a stress monitoring device (31) arranged on the outer semi-circular hoop (6), wherein a strain gauge (32) of the stress monitoring device (31) is fixed on the stay cable (4).
8. A method for monitoring a cable-stayed bridge construction monitoring apparatus according to claim 7, comprising the steps of:
S1, pre-fixing two groups of semicircular hoops (6) at the position of the stay cable (4) close to the bottom, so that the semicircular hoops (6) are coaxial with the stay cable (4);
s2, placing the mounting plate (12) on the bridge deck (2) and approaching the bottom of the stay cable (4);
S3, adjusting the position of the mounting plate (12), the angle of the turntable (27) and the height of the lifting plate (14), enabling the upper surface of the lifting plate (14) and the bottom of the stay cable (4) to be located at the same height, keeping the torsion pointer (26) to point to the center point b (33), enabling the laser irradiation point of the laser ranging device (11) to be located at the center point a (22), and fixing the semicircular anchor ear (6) and the mounting plate (12) respectively;
S4, fixing a strain gauge (32) on the stay cable (4), wherein the strain gauge (32) is positioned below the semicircular anchor ear (6);
S5, uploading data according to the set monitoring frequency by the ranging device (10), the laser ranging device (11), the vibration sensor (30), the stress monitoring device (31) and the camera device (24), and completing monitoring of the stay cable (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311813154.8A CN117758615B (en) | 2023-12-26 | 2023-12-26 | Cable-stayed bridge construction monitoring equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311813154.8A CN117758615B (en) | 2023-12-26 | 2023-12-26 | Cable-stayed bridge construction monitoring equipment and method |
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| CN117758615B true CN117758615B (en) | 2024-08-30 |
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| CN118392880B (en) * | 2024-07-01 | 2024-08-30 | 四川路桥华东建设有限责任公司 | Road and bridge safety detection device and detection method thereof |
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| CN107941402A (en) * | 2017-11-07 | 2018-04-20 | 交通运输部公路科学研究所 | A kind of device and method for being used to measure Cable power |
| CN113848010A (en) * | 2021-10-25 | 2021-12-28 | 中冶建筑研究总院有限公司 | Non-contact high-precision laser steel cable force monitoring system and monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6836751B2 (en) * | 2016-12-21 | 2021-03-03 | 西松建設株式会社 | Cable-stayed bridge cable inspection device |
| CN213956643U (en) * | 2020-12-30 | 2021-08-13 | 保定市迅方久土木工程科技咨询有限公司 | Anchor ear for tension detection of bridge stay cable |
| CN216304434U (en) * | 2021-09-09 | 2022-04-15 | 呼永忠 | Road and bridge design construction auxiliary device |
| CN113960069B (en) * | 2021-10-22 | 2024-03-19 | 中铁二十二局集团第五工程有限公司 | Method for establishing cable surface morphology through laser line scanning |
| CN116642453A (en) * | 2023-05-25 | 2023-08-25 | 北京城建轨道交通建设工程有限公司 | Inclined steel column installation monitoring system and method |
| CN219637690U (en) * | 2023-05-26 | 2023-09-05 | 广州缆索新材料科技有限公司 | Bridge cable force and humiture self-induction intelligent inhaul cable |
| CN220132737U (en) * | 2023-06-30 | 2023-12-05 | 中冶西部钢构有限公司 | A space-twisted cable-stayed bridge cable tower with real-time monitoring of deformation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107941402A (en) * | 2017-11-07 | 2018-04-20 | 交通运输部公路科学研究所 | A kind of device and method for being used to measure Cable power |
| CN113848010A (en) * | 2021-10-25 | 2021-12-28 | 中冶建筑研究总院有限公司 | Non-contact high-precision laser steel cable force monitoring system and monitoring method |
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