CN108487197B - Intelligent shock absorption system suitable for high-pile wharf in strong earthquake area - Google Patents
Intelligent shock absorption system suitable for high-pile wharf in strong earthquake area Download PDFInfo
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- CN108487197B CN108487197B CN201810298306.8A CN201810298306A CN108487197B CN 108487197 B CN108487197 B CN 108487197B CN 201810298306 A CN201810298306 A CN 201810298306A CN 108487197 B CN108487197 B CN 108487197B
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- 230000035939 shock Effects 0.000 title claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 238000004458 analytical method Methods 0.000 claims abstract description 37
- 238000011084 recovery Methods 0.000 claims abstract description 31
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000000116 mitigating effect Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/52—Equipment preventing vibration of gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/068—Landing stages for vessels
Abstract
The invention relates to an intelligent shock absorption system suitable for a high-pile wharf in a strong earthquake region, which comprises a signal analysis processing module, an earthquake sensing module, an ejection and recovery module, a connection module and a power supply module, wherein the signal analysis processing module is connected with the earthquake sensing module; the earthquake sensing module is used for sensing whether an earthquake occurs or not; the ejection and recovery module is installed on the wharf panel and comprises a steel cable, a recovery device and an ejection device, the connecting module is installed at the pile foundation of the high-pile wharf, the earthquake sensing module senses earthquake and transmits signals to the signal analysis and processing module, the signal analysis and processing module starts the ejection device, the movable end of the ejection device is ejected by the connecting module, and the movable end of the ejection device is fixed on the pile foundation. When an earthquake occurs, an umbrella-shaped damping structure is quickly formed between pile plates of the high-pile wharf so as to reduce the displacement of the high-pile wharf structure under the action of the earthquake, improve the earthquake resistance of the structure and reduce the economic loss caused by the earthquake.
Description
Technical Field
The invention relates to a damping system, in particular to an intelligent damping system suitable for a high-pile wharf in a strong earthquake region.
Background
The high-pile wharf has the advantages of small wave reflection, less sandstone materials, suitability for soft soil foundations and the like, but has weaker horizontal acting force resistance, is easy to be damaged by earthquakes, and further causes huge economic loss. Research has shown that the fundamental cause of huge economic losses is the excessive displacement of the wharf caused by seismic action. Therefore, how to reduce the displacement of the wharf structure during earthquake is a topic worth exploring, however, most designers focus on how to reasonably arrange the reinforcement, and an effective seismic isolation and reduction measure is lacking.
Disclosure of Invention
The invention provides an intelligent damping system suitable for a high-pile wharf in a strong earthquake region, aiming at solving the problem of overlarge wharf displacement caused by earthquake action.
The technical scheme adopted by the invention is as follows: the utility model provides an intelligence shock mitigation system suitable for high stake pier in strong earthquake district which characterized in that: the earthquake sensing and recovery device comprises a signal analysis processing module, an earthquake sensing module, an ejection and recovery module, a connecting module and a power supply module;
the earthquake sensing module is used for sensing whether an earthquake occurs or not;
the ejection and recovery module is arranged on a wharf panel and comprises a steel cable, a recovery device and an ejection device, wherein the steel cable comprises a fixed end, a movable end and a cable body, the fixed end is fixed on the wharf panel, the movable end is arranged in the ejection device, and the cable body is wound on the recovery device;
the connecting module is arranged at a pile foundation of the high-pile wharf and comprises a receiver for receiving a movable end of a steel cable and a fixing device for fixing the steel cable on the connecting module;
the earthquake sensing module senses the occurrence of an earthquake and transmits signals to the signal analysis processing module, the signal analysis processing module starts the ejection device to eject the movable end to the connecting module, and a receiver of the connecting module receives the steel cable and fixes the movable end on the pile foundation through a fixing device.
Furthermore, the recovery device comprises a plurality of rails and sliding rods, the sliding rods are horizontally arranged, the adjacent sliding rods are arranged in a vertically staggered mode, the rails are vertically arranged, the sliding rods slide up and down along the rails under the action of the driving device, and the steel cable is wound on the sliding rods in an S shape.
Further, be equipped with tensile module on the pile foundation, tensile module includes slide rail and drive arrangement, connecting module passes through sliding connection the pile foundation, connecting module follows under drive arrangement's effect the slide rail reciprocates, the slide rail sets up along the pile foundation axial.
Furthermore, the slide rail is embedded and fixed on the wharf pile foundation and is connected with the steel bar in the pile foundation.
Furthermore, the movable end of the steel cable is of a cylinder structure provided with a fixing hole, the connecting module comprises a receiver for receiving the movable end of the steel cable, a collision sensor for sensing whether the steel cable enters the receiver, a rotating chassis for adjusting the angle of the receiver and a fixing device for fixing the steel cable, the receiver is of a cylinder structure, the bottom end of the receiver is arranged on the rotating chassis, and the fixing device is a bolt; the movable end of the steel cable enters the receiver, and the rotating chassis is rotated to enable the bolt to be inserted into the fixing hole.
Furthermore, the system also comprises a positioning module for providing the receiver position information for the ejection device, the positioning module is a laser sensor, the laser sensor feeds back the collected receiver position information to the signal analysis processing module, and the signal analysis processing module controls the ejection device to eject the movable end according to the received position information.
Furthermore, a strain sensor used for acquiring strain information in the process of stretching the steel cable is mounted on the steel cable, the strain sensor transmits the acquired information to the signal analysis processing module, and the signal analysis processing module controls the stretching module to adjust the stretching amount of the steel cable according to the received strain information and the seismic information of the seismic sensing module.
Further, the system comprises a protection module for preventing corrosion of devices of the system, the protection module comprises an iron shell coated with anticorrosive paint and a driving device for driving the iron shell to be opened or closed, the protection module is connected with the signal analysis processing module, and the protection module is automatically opened according to an instruction of the signal analysis processing module when an earthquake occurs.
Further, the power module is composed of a storage battery.
Further, it is equipped with a plurality of with retrieving the module to launch, and a plurality of launches with retrieving the module and winds the pile foundation evenly sets up on the pier panel, connecting module quantity with launch with retrieve module quantity unanimously, connecting module circumference sets up on the pile foundation.
The beneficial effects produced by the invention comprise: 1. the wharf panel and the pile foundation are connected by a plurality of steel cables in different directions during an earthquake through the method of ejecting the steel cables, the tensile amount of the steel cables is controlled through analysis and processing, an umbrella-shaped damping structure is formed, earthquake energy is effectively absorbed, the wharf panel and the pile foundation are suitable for earthquakes with different strengths, the requirement for the displacement of the wharf structure is reduced, the earthquake-resistant performance of the structure is improved, and huge economic loss is avoided.
2. The earthquake early warning system adopts automatic operation, is accurate, simple, convenient and rapid, not only ensures the rapid coping capability of the system during an earthquake, but also ensures the life safety of personnel.
3. The invention prevents the steel cable from being exposed to the lower part of the wharf panel for a long time in non-earthquake, and prevents each device of the system from being corroded by the external environment.
Drawings
FIG. 1 is a system block diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention for realizing steel cable ejection and recovery.
FIG. 3 is a schematic diagram of the structure of the present invention for connecting and stretching the steel cable.
FIG. 4 is a schematic diagram of the system of the present invention.
FIG. 5 is a schematic view of a sensor module of the present invention.
In the figure, the device comprises a signal analysis processing module 1, a signal analysis processing module 2, an input module 3, a seismic sensing module 4, a positioning module 4-1, a laser sensor 5, a sensor module 5-1, a strain sensor 6, an ejection and recovery module 6-1, a shell 6-2, a steel cable 6-3, a sliding rod 6-4, a track 6-5, an ejection device 6-5-1, an ejector 6-5-2, a clamping plate 6-6, a driving motor 7, a connecting module 7-1, a receiver 7-2, a collision sensor 7-3, a rotating chassis 7-4, a bolt 8, a stretching module 8-1, a sliding rail 8-2, a driving machine 9, a protection module 10 and a power supply module.
Detailed Description
The present invention is explained in further detail below with reference to the drawings and the detailed description, but it should be understood that the scope of the present invention is not limited by the detailed description.
As shown in fig. 1, the intelligent shock absorption system for high-pile wharf in strong earthquake area of the present invention comprises a seismic sensing module 3 for sensing the real-time seismic intensity and structural displacement; an ejection and recovery module 6 for ejecting the movable end of the wire rope connected below the high-piled wharf panel to the pile foundation when an earthquake occurs to connect the wharf panel with the pile foundation and for recovering the wire rope to eject again once the wire rope is not smoothly connected with the pile foundation; a positioning module 4 for realizing system positioning and providing position information for the ejection and recovery module 6; a connecting module 7 for receiving the free end of the ejected wire rope and anchoring it; a stretching module 8 for pulling down the wire rope to thereby tension the wire rope; an input module 2 for providing keyboard input and display to realize the setting of working parameters; a sensor module 5 for measuring the strain of the steel cable and feeding back the information to the signal analysis processing module 1; a protection module 9 for providing protection for each device of the system against external corrosion; and the signal analysis processing module 1 is used for receiving signals output by the seismic sensing module 3, the positioning module 4, the input module 2, the connecting module 7 and the sensor module 5 and controlling the ejection and recovery module 6, the connecting module 7, the stretching module 8 and the protection module 9.
The earthquake sensing module 3 consists of earthquake sensors and strain sensors distributed at various positions of the high-pile wharf, the earthquake sensors are used for sensing earthquake intensity, the strain sensors are used for collecting deformation conditions of various parts of the wharf structure, and the earthquake sensing module 3 feeds information back to the signal analysis processing module 1 at the first time when an earthquake occurs.
As shown in fig. 2, the ejection and recovery module 6 mainly comprises a shell 6-1, a steel cable 6-2, a recovery device, an ejection device 6-5 and a driving motor 6-6, wherein the recovery device comprises a movable slide bar 6-3 and a rail 6-4; the shell 6-1 is fixed on one side of the wharf panel facing the pile foundation and is used for providing a carrier for installing other devices inside; the steel cable 6-2 comprises a fixed end, a movable end 6-2-1 and a cable body, wherein the fixed end is connected with the wharf panel and used for connecting the wharf panel with the pile foundation during earthquake to provide damping for shock absorption, the movable end 6-2-1 is a cylindrical block with a fixing hole, and the fixing hole in the cylindrical block is reserved for the bolt to play a role in fixing.
A plurality of movable slide bars 6-3 are arranged horizontally, a plurality of slide bars 6-3 are all vertically arranged between two inner walls of the shell 6-1, the rope body is wound on the slide bars 6-3 in an S shape, the slide bars 6-3 are driven by the driving motor 6-6 to move up and down so as to realize the recovery and the stretching of the steel cable 6-2, and the steel cable 6-2 can be coiled among the slide bars 6-3 by controlling the sequence of the up and down movement of the slide bars 6-3 so as to achieve the purpose of recovering the steel cable 6-2; the rail 6-4 is mounted on the inner wall of the housing 6-1, and the rail 6-4 extends in the vertical direction and is used for providing a base for the sliding rod 6-3 to move up and down and brake.
The ejection device 6-5 is arranged on the inner wall of the shell 6-1, can rotate and is used for ejecting the movable end 6-2-1 of the steel cable out according to a certain angle and an initial speed according to the calculation result of the signal analysis processing module 1, the ejection device 6-5 consists of an ejector 6-5-1 and a clamping plate 6-5-2, the ejector 6-5-1 provides power for ejection, and the clamping plate 6-5-2 can fix the movable end 6-2-1 of the steel cable; the drive motor 6-6 is used to power the movement of the slide bar as well as the braking.
When the ejection and recovery module 6 implements the ejection function, the sliding rod 6-3 can move freely, namely the sliding rod 6-3 can not block the steel cable 6-2 from ejecting; when the recovery function is implemented, the drive motor 6-6 controls the innermost movable slide bar 6-3, namely the slide bar 6-3 close to the fixed end of the steel cable to move downwards, the adjacent slide bar 6-3 moves upwards, the adjacent movable slide bar 6-3 moves downwards, and the like, the steel cable 6-2 can be recovered.
The positioning module 4 is used for providing accurate position information for the ejection and recovery module 6 when implementing the ejection function so as to guarantee the ejection accuracy, and the positioning module is mainly realized by the laser sensor 4-1, and the laser sensor 4-1 feeds back the acquired position information to the signal analysis processing module 1 so as to control the ejection device 6-5 in the ejection and recovery module 6.
As shown in fig. 3, the connection module 7 includes a receiver 7-1, a collision sensor 7-2, a rotary chassis 7-3, and a latch 7-4; the receiver 7-1 is a hollow cylindrical steel cylinder, is arranged on the slide rail 8-1 and is used for receiving the ejected movable end 6-2-1 of the steel cable; the rotary chassis 7-3 is arranged at the bottom of the receiver 7-1 and is used for adjusting the angle of the movable end 6-2-1 of the steel cable after entering the receiver 7-1 so as to facilitate the smooth insertion of the bolt 7-4; the collision sensor 7-2 is arranged on the rotary chassis 7-3 and used for judging whether the movable end 6-2-1 of the steel cable successfully enters the receiver 7-1 or not and feeding back information to the signal analysis processing module 1 to judge whether the system needs to start the recovery function in the ejection and recovery module 6 or not; the bolt 7-4 is arranged on the wall side of the receiver 7-1 and is used for inserting the bolt into a fixing hole of the movable end 6-2-1 of the steel cable so as to fix the free end of the steel cable 6-2.
The stretching module 8 consists of a slide rail 8-1 and a driving machine 8-2; the sliding rail 8-1 is fixedly embedded on the wharf pile foundation and connected with a steel bar in the pile foundation to provide a foundation capable of moving up and down along the pile foundation for the receiver 7-1, the receiver 7-1 only can move up and down along the sliding rail 8-1, the other degrees of freedom are limited, and the sliding rail 8-1 plays a limiting role in the moving process of the receiver 7-1 to fix the connecting module on the sliding rail; the driving machine 8-2 provides power for the receiver 7-1 to move downwards to resist the pulling force; downward movement of the receiver 7-1 causes the wire 6-2 to be tensioned and the tension on the wire 6-2 is adjusted by adjusting the up and down movement of the receiver 7-1.
After the system finishes the ejection, receiving and stretching of a plurality of different steel cables 6-2 surrounding a pile foundation according to the process, an umbrella-shaped damping structure as shown in figure 4 is formed.
As shown in fig. 5, the sensor module 5 is composed of a plurality of sets of strain sensors 5-1; each steel cable is provided with a group of strain sensors 5-1, strain data are collected and transmitted to the signal analysis processing module 1 in the process of stretching the steel cable 6-2, the signal analysis processing module 1 combines the strain data of different steel cables 6-2 with the real-time seismic data of the seismic sensing module 3 for analysis and processing, and then the stretching module 8 is controlled to continuously adjust the stretching amount of the steel cable 6-2 to achieve a better shock absorption effect.
The protection module 9 is a shell for covering each device and is only used as a shielding device, so that the corrosion of each device is reduced, and when an earthquake occurs, the protection module 9 can be automatically cancelled after receiving the instruction of the signal analysis processing module 1, so as to avoid interference with each flow of the next system.
The input module 2 comprises a keyboard and a display; the keyboard is used in conjunction with the display to input relevant operating parameters.
The signal analysis processing module 1 mainly comprises a single chip microcomputer and a corresponding control circuit, is mainly used for receiving signals of the earthquake sensing module 3, the input module 2, the positioning module 4, the sensor module 5 and the connecting module 7, and controls the protection module 9, the ejection and recovery module 6, the connecting module 7 and the stretching module 8 after analysis processing.
The power module 10 is composed of a storage battery and provides power for each part of the system.
Obviously, the structure, the arrangement position and the connection of the various components can be changed, and the improvement and the equivalent change of the individual components based on the technology of the invention are not excluded from the protection scope of the invention.
Claims (10)
1. The utility model provides an intelligence shock mitigation system suitable for high stake pier in strong earthquake district which characterized in that: the earthquake sensing and recovery device comprises a signal analysis processing module, an earthquake sensing module, an ejection and recovery module, a connecting module and a power supply module;
the earthquake sensing module is used for sensing whether an earthquake occurs or not;
the ejection and recovery module is arranged on a wharf panel and comprises a steel cable, a recovery device and an ejection device, wherein the steel cable comprises a fixed end, a movable end and a cable body, the fixed end is fixed on the wharf panel, the movable end is arranged in the ejection device, and the cable body is wound on the recovery device;
the connecting module is arranged at a pile foundation of the high-pile wharf and comprises a receiver for receiving a movable end of a steel cable and a fixing device for fixing the steel cable on the connecting module;
the earthquake sensing module senses the occurrence of an earthquake and transmits signals to the signal analysis processing module, the signal analysis processing module starts the ejection device to eject the movable end to the connecting module, and a receiver of the connecting module receives the steel cable and fixes the movable end on the pile foundation through a fixing device.
2. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 1, wherein: the recovery device comprises a plurality of rails and sliding rods, the sliding rods are horizontally arranged, the adjacent sliding rods are arranged in a vertically staggered mode, the rails are vertically arranged, the sliding rods slide up and down along the rails under the action of the driving device, and the steel cable is wound on the sliding rods in an S shape.
3. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 1, wherein: be equipped with tensile module on the pile foundation, tensile module includes slide rail and drive arrangement, connecting module passes through sliding rail connection the pile foundation, connecting module follows under drive arrangement's effect the slide rail reciprocates, the slide rail sets up along the pile foundation axial.
4. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 3, wherein: the slide rail is embedded and fixed on the wharf pile foundation and is connected with the steel bar in the pile foundation.
5. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 1, wherein: the movable end of the steel cable is of a cylinder structure provided with a fixing hole, the connecting module comprises a receiver for receiving the movable end of the steel cable, a collision sensor for sensing whether the steel cable enters the receiver or not, a rotating chassis for adjusting the angle of the receiver and a fixing device for fixing the steel cable, the receiver is of a cylinder structure, the bottom end of the receiver is arranged on the rotating chassis, and the fixing device is a bolt; the movable end of the steel cable enters the receiver, and the rotating chassis is rotated to enable the bolt to be inserted into the fixing hole.
6. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 1, wherein: the ejection device is characterized by further comprising a positioning module which provides the receiver position information for the ejection device, the positioning module is a laser sensor, the laser sensor feeds back the collected receiver position information to a signal analysis processing module, and the signal analysis processing module controls the ejection device to eject the movable end according to the received position information.
7. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 3, wherein: the steel cable is provided with a strain sensor used for acquiring strain information in the steel cable stretching process, the strain sensor transmits the acquired information to the signal analysis processing module, and the signal analysis processing module controls the stretching module to adjust the stretching amount of the steel cable according to the received strain information and the seismic information of the seismic sensing module.
8. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 1, wherein: including the protection module that is used for preventing each device of system corruption, protection module is including the iron-clad that has the coating anticorrosive paint and being used for the drive arrangement that the iron-clad was opened or was closed, protection module connects signal analysis processing module opens according to signal analysis processing module's instruction is automatic when the earthquake takes place.
9. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 1, wherein: the power module consists of a storage battery.
10. The intelligent shock absorption system suitable for the high-pile wharf in the severe earthquake area as claimed in claim 1, wherein: launch and retrieve the module and be equipped with a plurality of, a plurality of launch and retrieve the module and wind the pile foundation evenly sets up on the pier panel, connecting module quantity with launch and retrieve module quantity unanimously, connecting module circumference sets up on the pile foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298306.8A CN108487197B (en) | 2018-03-30 | 2018-03-30 | Intelligent shock absorption system suitable for high-pile wharf in strong earthquake area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298306.8A CN108487197B (en) | 2018-03-30 | 2018-03-30 | Intelligent shock absorption system suitable for high-pile wharf in strong earthquake area |
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| CN108487197A CN108487197A (en) | 2018-09-04 |
| CN108487197B true CN108487197B (en) | 2020-05-22 |
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| CN201810298306.8A Active CN108487197B (en) | 2018-03-30 | 2018-03-30 | Intelligent shock absorption system suitable for high-pile wharf in strong earthquake area |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205443916U (en) * | 2015-12-31 | 2016-08-10 | 同济大学 | Intelligence magnetic flux stay rope shock absorption support |
| CN206538732U (en) * | 2017-02-28 | 2017-10-03 | 连云港港口工程设计研究院有限公司 | A kind of long piled wharf |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10183558A (en) * | 1996-12-27 | 1998-07-14 | Toyo Constr Co Ltd | Earthquake damping device for harbor structure |
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2018
- 2018-03-30 CN CN201810298306.8A patent/CN108487197B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205443916U (en) * | 2015-12-31 | 2016-08-10 | 同济大学 | Intelligence magnetic flux stay rope shock absorption support |
| CN206538732U (en) * | 2017-02-28 | 2017-10-03 | 连云港港口工程设计研究院有限公司 | A kind of long piled wharf |
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