CN109869438A - Multiple tuned mass dampers and hoist cable oscillation damping method - Google Patents
Multiple tuned mass dampers and hoist cable oscillation damping method Download PDFInfo
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- CN109869438A CN109869438A CN201910182097.5A CN201910182097A CN109869438A CN 109869438 A CN109869438 A CN 109869438A CN 201910182097 A CN201910182097 A CN 201910182097A CN 109869438 A CN109869438 A CN 109869438A
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Abstract
The invention discloses a kind of multiple tuned mass dampers characterized by comprising hoist cable fixture comprising clamping part and support portion.Steel strand wires, steel strand wires are fixed on support portion.First tup and the second tup, the first tup are greater than the quality of the second tup, and the distance of the first tup to support portion is different at a distance from the second tup to support portion.Also provide a kind of hoist cable oscillation damping method, comprising: obtain the vibration frequency of hoist cable；According to the vibration frequency of hoist cable determine the first tup of multiple tuned mass dampers and the quality of the second tup, the model of steel strand wires, the distance of the first tup to support portion and the second tup to support portion distance；Determine the position of multiple tuned mass dampers being mounted on hoist cable；Multiple tuned mass dampers are installed, vibration damping is carried out to hoist cable.The present invention can efficiently solve damper and change with hoist cable tie point position, the problem of needing continuous adjustment with the variation of construction speed.
Description
Technical field
The present invention relates to hoist cable antivibration areas, are related to multiple tuned mass dampers and hoist cable oscillation damping method.
Background technique
Hoist cable structure slenderness ratio is big, damping is small, mode of oscillation is more, the vibration of Yi Fasheng diversified forms, mainly includes charming appearance and behaviour
Vibration (such as vortex-induced vibration, wake flow, which relax, to be shaken and buffet) and end excitation vibration.Hoist cable continue substantially to vibrate may be in short-term
In cause strand fatigue and corrosion, the discomfort that can also cause pedestrian or driving and people are to the bosom of bridge safety in utilization
It doubts, therefore should take appropriate measures and control the vibration of hoist cable.
The control measure of hoist cable vibration mainly include two methods, first is that Aerodynamic Method, carries out hoist cable surface
Processing to achieve the effect that vibration damping.Second is that external damper increases the method for hoist cable damping, common hoist cable damper has:
Oil damper, frcition damper and rubber cushion assembly etc., but these dampers are necessarily mounted between hoist cable and support construction, are needed
In the fixing end close to hoist cable, support construction is set.
When the bridge construction construction time, main beam supporting, deck paving, increase dead load, adjustment bridge linear etc. need to be carried out, need
The Suo Li of hoist cable is adjusted, changes hoist cable elongation, so that damper changes with hoist cable tie point position, with construction
The variation of progress needs continuous adjustment, while work progress need to protect damper, in order to avoid be damaged.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of multiple tuned mass dampers and
Hoist cable oscillation damping method.The present invention can efficiently solve damper and change with hoist cable tie point position, with construction speed
Variation the problem of needing continuous adjustment.
To achieve the above objectives, the technical solution adopted by the present invention is that:
On the one hand, the present invention provides a kind of multiple tuned mass dampers, comprising:
Hoist cable fixture comprising clamping part and support portion, the clamping part are fixedly connected with one end of the support portion；
Steel strand wires, the other end for being fixed on the support portion of steel strand wires, and the steel strand wires and the support portion
Length direction is vertical；
It is respectively arranged on first tup and the second tup at the steel strand wires both ends, first tup is greater than second hammer
The quality of head, the distance of first tup to the support portion are different at a distance from second tup to the support portion.
Based on the above technical solution, first tup is U-shaped, and the U-shaped opening of first tup is towards institute
Support portion is stated, and the width of the U-shaped opening of first tup is greater than the diameter of the steel strand wires.
Based on the above technical solution, second tup is U-shaped, and the U-shaped opening of second tup is towards institute
Support portion is stated, and the width of the U-shaped opening of second tup is greater than the diameter of the steel strand wires.
On the other hand, the present invention provides a kind of hoist cable oscillation damping method, and the hoist cable oscillation damping method includes:
Obtain the vibration frequency of hoist cable；
The first tup of multiple tuned mass dampers and quality, the steel of the second tup are determined according to the vibration frequency of hoist cable
The distance of the model of twisted wire, the distance of the first tup to support portion and the second tup to support portion；
Determine the position of the multiple tuned mass dampers being mounted on hoist cable；
The multiple tuned mass dampers are installed, vibration damping is carried out to hoist cable.
Based on the above technical solution, the first of multiple tuned mass dampers is determined according to the vibration frequency of hoist cable
The quality of tup and the second tup, the model of steel strand wires, the distance of the first tup to support portion and the second tup are to support portion
Distance, specific steps include:
Step A: according to the quality of the first tup and the second tup mass ratio with the modal mass of hoist cable respectively, the is selected
The quality of one tup and the second tup；
Step B: the rigidity of steel strand wires is determined according to the diameter of the steel strand wires of selected model；
Step C: the intrinsic frequency of the first tup and the second tup is calculated:
Wherein: k1,2For 2 intrinsic frequencies of the first tup, k3,4For 2 intrinsic frequencies of the second tup, kaFor steel strand wires
Rigidity, M1For the quality of the first tup, M2For the quality of the second tup, L1For the distance of the first tup to support portion, 0.2≤
L1≤ 1, L2For the distance of the second tup to support portion, 0.2≤L2≤ 1, s1It is hammered into shape for the first tup and steel strand wires tie point and first
The distance of head mass center, s2It is the second tup and steel strand wires tie point at a distance from the second tup mass center, Ja1For turning for the first tup
Dynamic inertia, Ja2For the rotary inertia of the second tup；
Step D: not according to selected the first tup of multiple groups, the quality of the second tup, the steel strand wires of multiple groups different model, multiple groups
With the first tup to the distance of support portion and the second tup to the distance of support portion, different 4 first of multiple groups are calculated
The intrinsic frequency of tup and the second tup determines the range of every group of 4 intrinsic frequencies covering hoist cable frequency, chooses 4 intrinsic frequencies
Rate covers maximum one group of hoist cable frequency range, selects the quality of the first tup and the second tup, steel strand wires corresponding to the group
Model, the distance of the first tup to support portion and the second tup to support portion distance.
Based on the above technical solution, the quality of the first tup and the second tup respectively with the modal mass of hoist cable
Mass ratio is 0.5%~2%.
Based on the above technical solution, the maximum vibration for being mounted on the hoist cable of the multiple tuned mass dampers
At width.
Based on the above technical solution, when the multiple tuned mass dampers are installed, first tup and
Two tups are located on the direction of vibration of the hoist cable.
Based on the above technical solution, when the hoist cable is vibrated along multiple and different directions, according to the vibration of hoist cable
The corresponding multiple tuned mass dampers are arranged in the quantity in direction and direction.
Based on the above technical solution, when the multiple tuned mass dampers are installed, the first tup installation
In the lower section of the second tup.
Compared with the prior art, the advantages of the present invention are as follows: when in use, multiple tuned mass dampers are mounted on and are hung
Suo Shang, the first tup are greater than the quality of the second tup, the distance of the first tup to support portion and the second tup to support portion away from
From difference, so the first tup is greater than the second tup, there are two different intrinsic frequencies and the multiple tuned mass dampers
There are four different intrinsic frequencies.When hoist cable generates vibration, it is suspended on the opposite fortune of the multiple tuned mass dampers on hoist cable
Dynamic to absorb vibrational energy, to reduce and eliminate the vibration of hoist cable, multiple tuned mass dampers are consolidated there are four different
There is frequency, is adapted to wider vibration frequency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multiple tuned mass dampers in the embodiment of the present invention；
Fig. 2 is the scheme of installation of multiple tuned mass dampers in the embodiment of the present invention；
Fig. 3 is multiple tuned mass dampers and hoist cable frequency than the relational graph with damping ratio.
In figure: 1, hoist cable fixture；11, clamping part；12, support portion；2, steel strand wires；31, the first tup；32, the second tup；
4, hoist cable；10, multiple tuned mass dampers.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Fig. 1 is the structural schematic diagram of multiple tuned mass dampers in the embodiment of the present invention.As shown in Figure 1, the present invention is real
It applies example and a kind of multiple tuned mass dampers is provided, which includes:
Hoist cable fixture 1 comprising clamping part 11 and support portion 12, clamping part 11 are fixedly connected with one end of support portion 12；
Steel strand wires 2, the other end for being fixed on support portion 12 of steel strand wires 2, and the length side of steel strand wires 2 and support portion 12
To vertical；
It is respectively arranged on first tup 31 and the second tup 32 at 2 both ends of steel strand wires, the first tup 31 is greater than the second tup 32
Quality, the distance of the first tup 31 to support portion 12 and the second tup 32 to difference at a distance from support portion 12.
When in use, multiple tuned mass dampers are mounted on hoist cable, the first tup 31 is greater than the second tup 32
The distance of quality, the first tup 31 to support portion 12 is different at a distance from the second tup 32 to support portion 12, so the first tup
31, which are greater than the second tup 32, has four different intrinsic frequencies there are two different intrinsic frequency and the multiple tuned mass dampers
Rate.When hoist cable generates vibration, the relative motion for the multiple tuned mass dampers being suspended on hoist cable absorbs vibrational energy,
To reduce and eliminate the vibration of hoist cable, multiple tuned mass dampers there are four different intrinsic frequencies, be adapted to compared with
Wide vibration frequency.
Preferably, the first tup 31 is U-shaped, and the U-shaped opening of the first tup 31 is towards support portion 12, and the first tup 31
U-shaped opening width be greater than steel strand wires 2 diameter.Such design can prevent multiple tuned mass dampers from vibrating
When, the first tup 31 friction steel strand wires.
Preferably, the second tup 32 is U-shaped, and the U-shaped opening of the second tup 32 is towards support portion 12, and the second tup 32
U-shaped opening width be greater than steel strand wires 2 diameter.Such design can prevent multiple tuned mass dampers from vibrating
When, the second tup 32 friction steel strand wires.
On the other hand, the present invention also provides a kind of hoist cable oscillation damping method, the hoist cable oscillation damping method includes:
Obtain the vibration frequency of hoist cable；
The first tup of multiple tuned mass dampers and quality, the steel of the second tup are determined according to the vibration frequency of hoist cable
The distance of the model of twisted wire, the distance of the first tup to support portion and the second tup to support portion；
Determine the position of the multiple tuned mass dampers being mounted on hoist cable；
The multiple tuned mass dampers are installed, vibration damping is carried out to hoist cable.
The vibration frequency for obtaining hoist cable first, the matter of the first tup and the second tup is determined according to the vibration frequency of hoist cable
The distance of amount, the model of steel strand wires, the distance of the first tup to support portion and the second tup to support portion.And obtain multiple tuning
The position of mass damper being mounted on hoist cable, the i.e. maximum position of hoist cable Oscillation Amplitude are finally installed more on the position
Retuning mass damper.The multiple tuned mass dampers selected are enable to cover broader hoist cable vibration frequency, to obtain
Better effectiveness in vibration suppression.
Preferably, the first tup and second tup of multiple tuned mass dampers are determined according to the vibration frequency of hoist cable
The distance of quality, the model of steel strand wires, the distance of the first tup to support portion and the second tup to support portion, specific steps packet
It includes:
Step A: according to the quality of the first tup and the second tup mass ratio with the modal mass of hoist cable respectively, the is selected
The quality of one tup and the second tup；
Step B: the rigidity of steel strand wires is determined according to the diameter of the steel strand wires of selected model；
Step C: the intrinsic frequency of the first tup and the second tup is calculated:
Wherein: k1,2For 2 intrinsic frequencies of the first tup, k3,4For 2 intrinsic frequencies of the second tup, kaFor steel strand wires
Rigidity, M1For the quality of the first tup, M2For the quality of the second tup, L1For the distance of the first tup to support portion, 0.2≤
L1≤ 1, L2For the distance of the second tup to support portion, 0.2≤L2≤ 1, s1It is hammered into shape for the first tup and steel strand wires tie point and first
The distance of head mass center, s2It is the second tup and steel strand wires tie point at a distance from the second tup mass center, Ja1For turning for the first tup
Dynamic inertia, Ja2For the rotary inertia of the second tup；
Step D: not according to selected the first tup of multiple groups, the quality of the second tup, the steel strand wires of multiple groups different model, multiple groups
With the first tup to the distance of support portion and the second tup to the distance of support portion, different 4 first of multiple groups are calculated
The intrinsic frequency of tup and the second tup determines the range of every group of 4 intrinsic frequencies covering hoist cable frequency, chooses 4 intrinsic frequencies
Rate covers maximum one group of hoist cable frequency range, selects the quality of the first tup and the second tup, steel strand wires corresponding to the group
Model, the distance of the first tup to support portion and the second tup to support portion distance.Select the first corresponding tup
With the distance of quality, the model of steel strand wires, the distance of the first tup to support portion and the second tup of the second tup to support portion
The first tup and the quality of the second tup, the model of steel strand wires, the first tup to support as multiple tuned mass dampers
The distance of the distance in portion and the second tup to support portion.
In the present embodiment, when obtaining multiple groups adaptation solution, i.e., when multiple groups can cover the solution of hoist cable frequency, quality is chosen
The smallest steel strand wires, the first tup and the second tup and the first tup are to the distance of support portion and the second tup to support portion
Distance, to save material and cost.
The quality of the first optimal tup, the second tup, the model of steel strand wires and can be obtained by above step
One tup to support portion distance and the second tup to support portion distance.To obtain best effectiveness in vibration suppression.
Fig. 3 is multiple tuned mass dampers and hoist cable frequency than the relational graph with damping ratio.As shown in figure 3, hoist cable subtracts
Vibration needed for damping it is smaller, reach hoist cable vibration damping target damping ratio be 0.5% can effective vibration damping, multiple tuned mass dampers
With hoist cable mass ratio be 1.0% when, covering frequence range be 0.8~1.2 times of dominant frequency；Multiple tuned mass dampers and hoist cable matter
When amount is than being 2.0%, covering frequence range is 0.7~1.3 times of dominant frequency.
Preferably, the quality of the first tup and the second tup respectively with the mass ratio of the modal mass of hoist cable be 0.5%~
2%.
Preferably, multiple tuned mass dampers are mounted at the peak swing of hoist cable.
Being mounted at the peak swing of hoist cable for multiple tuned mass dampers can be obtained into better effectiveness in vibration suppression.
Further, it is obtained at the peak swing of hoist cable by field measurement or Computer Numerical Simulation.In this implementation
In example, obtained at the peak swing of hoist cable by Computer Numerical Simulation.It can certainly be by installing inductor on hoist cable
It is obtained by actual measurement.
Preferably, when installing multiple tuned mass dampers, the first tup and the second tup are located at the direction of vibration of hoist cable
On.First tup and the second tup, which are located on the direction of vibration of hoist cable, can obtain better effectiveness in vibration suppression.
Fig. 2 is the scheme of installation of multiple tuned mass dampers in the embodiment of the present invention.As shown in Figure 2.Further,
It is corresponding described more according to the quantity of the direction of vibration of hoist cable and direction setting when the hoist cable is vibrated along multiple and different directions
Retuning mass damper.When there are multiple along the vibration in hoist cable direction for hoist cable, it is respectively mounted on different direction of vibration pair
Answer quantity and the multiple tuned mass dampers in direction that the vibration of each direction of vibration can be made all to be controlled.
Further, when installing multiple tuned mass dampers, the first tup is mounted on the lower section of the second tup.Pacify in this way
Dress can make the steel strand wires tension of sledgehammer head end, and the steel strand wires of hand hammer head end are pressurized, and keep the stability of steel strand wires more preferable.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of multiple tuned mass dampers characterized by comprising
Hoist cable fixture (1) comprising clamping part (11) and support portion (12), the clamping part (11) and the support portion (12)
One end is fixedly connected；
Steel strand wires (2), the other end for being fixed on the support portion (12) of steel strand wires (2), and the steel strand wires (2) with it is described
The length direction of support portion (12) is vertical；
It is respectively arranged on first tup (31) and the second tup (32) at the steel strand wires (2) both ends, first tup (31) is big
In the quality of second tup (32), the distance of first tup (31) to the support portion (12) and second tup
(32) distance to the support portion (12) is different.
2. multiple tuned mass dampers as described in claim 1, it is characterised in that: first tup (31) is U-shaped, institute
The U-shaped opening of the first tup (31) is stated towards the support portion (12), and the width of the U-shaped opening of first tup (31)
Greater than the diameter of the steel strand wires (2).
3. multiple tuned mass dampers as described in claim 1, it is characterised in that: second tup (32) is U-shaped, institute
The U-shaped opening of the second tup (32) is stated towards the support portion (12), and the width of the U-shaped opening of second tup (32)
Greater than the diameter of the steel strand wires (2).
4. a kind of hoist cable oscillation damping method, the hoist cable oscillation damping method uses the described in any item multiple tuning matter of claim 1-3
It measures damper to realize, which is characterized in that the hoist cable oscillation damping method includes:
Obtain the vibration frequency of hoist cable；
The first tup of multiple tuned mass dampers and quality, the steel strand wires of the second tup are determined according to the vibration frequency of hoist cable
Model, the distance of the first tup to support portion and the second tup to support portion distance；
Determine the position of the multiple tuned mass dampers being mounted on hoist cable；
The multiple tuned mass dampers are installed, vibration damping is carried out to hoist cable.
5. hoist cable oscillation damping method as claimed in claim 4, it is characterised in that: determine multiple tuning according to the vibration frequency of hoist cable
First tup of mass damper and quality, the model of steel strand wires, the distance of the first tup to support portion and of the second tup
To the distance of support portion, specific steps include: two tups
Step A: according to the quality of the first tup and the second tup mass ratio with the modal mass of hoist cable respectively, the first hammer is selected
The quality of head and the second tup；
Step B: the rigidity of steel strand wires is determined according to the diameter of the steel strand wires of selected model；
Step C: the intrinsic frequency of the first tup and the second tup is calculated:
Wherein: k1,2For 2 intrinsic frequencies of the first tup, k3,4For 2 intrinsic frequencies of the second tup, kaFor the rigid of steel strand wires
Degree, M1For the quality of the first tup, M2For the quality of the second tup, L1For the distance of the first tup to support portion, 0.2≤L1≤
1, L2For the distance of the second tup to support portion, 0.2≤L2≤ 1, s1For the first tup and steel strand wires tie point and the first tup matter
The distance of the heart, s2It is the second tup and steel strand wires tie point at a distance from the second tup mass center, Ja1It is used for the rotation of the first tup
Amount, Ja2For the rotary inertia of the second tup；
Step D: different according to selected the first tup of multiple groups, the quality of the second tup, the steel strand wires of multiple groups different model, multiple groups
4 different the first tups of multiple groups are calculated to the distance of support portion and the second tup to the distance of support portion in first tup
With the intrinsic frequency of the second tup, determines the range of every group of 4 intrinsic frequencies covering hoist cable frequency, choose 4 intrinsic frequencies and cover
Maximum one group of lid hoist cable frequency range, select the type of the quality of the first tup and the second tup, steel strand wires corresponding to the group
Number, the distance of the distance of the first tup to support portion and the second tup to support portion.
6. hoist cable oscillation damping method as claimed in claim 5, which is characterized in that the quality of the first tup and the second tup respectively with
The mass ratio of the modal mass of hoist cable is 0.5%~2%.
7. hoist cable oscillation damping method as claimed in claim 4, which is characterized in that the multiple tuned mass dampers are mounted on
At the peak swing of the hoist cable.
8. hoist cable oscillation damping method as claimed in claim 4, which is characterized in that when the multiple tuned mass dampers are installed,
First tup and the second tup are located on the direction of vibration of the hoist cable.
9. hoist cable oscillation damping method as claimed in claim 8, which is characterized in that when the hoist cable is vibrated along multiple and different directions
When, the corresponding multiple tuned mass dampers are arranged according to the quantity of the direction of vibration of hoist cable and direction.
10. hoist cable oscillation damping method as claimed in claim 4, which is characterized in that when the multiple tuned mass dampers are installed,
First tup is mounted on the lower section of the second tup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182097.5A CN109869438B (en) | 2019-03-11 | 2019-03-11 | Sling vibration damping method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182097.5A CN109869438B (en) | 2019-03-11 | 2019-03-11 | Sling vibration damping method |
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| CN109869438B CN109869438B (en) | 2020-09-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130599A (en) * | 2020-08-28 | 2020-12-25 | 同济大学 | Cable multi-mode vibration control method considering damper performance frequency dependency |
| CN112211468A (en) * | 2020-09-29 | 2021-01-12 | 温州市滨江建设投资有限公司 | Multiple harmonious mass damper |
| CN112227180A (en) * | 2020-09-30 | 2021-01-15 | 中铁大桥局集团有限公司 | Stay cable combined vibration reduction device and method |
| CN112695609A (en) * | 2020-12-18 | 2021-04-23 | 中铁大桥局集团有限公司 | Multi-directional multi-tuning mass damper for cable structure vibration reduction |
| CN115030016A (en) * | 2022-06-23 | 2022-09-09 | 河海大学 | Double-tuned mass damper for vibration reduction of suspension cable of suspension bridge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2768262Y (en) * | 2004-11-22 | 2006-03-29 | 夏泓轩 | Damping type anti-vibration plummet clamp |
| CN201238179Y (en) * | 2008-06-27 | 2009-05-13 | 江苏省电力公司连云港供电公司 | Novel shockproof hammer |
| CN201398056Y (en) * | 2009-04-27 | 2010-02-03 | 南京线路器材厂 | Bolted damper for overhead transmission line |
| CN201504073U (en) * | 2009-09-25 | 2010-06-09 | 南京线路器材厂 | Pre-twisted anti-vibration hammer for overhead transmission wire |
| CN201656395U (en) * | 2010-04-12 | 2010-11-24 | 南京线路器材厂 | Combined type damper for overhead power transmission line |
| CN107022955A (en) * | 2017-02-27 | 2017-08-08 | 华北水利水电大学 | Apparent mass rotary electric magnetic damper vibration absorbing device for staying cables of bridge and design method |
-
2019
- 2019-03-11 CN CN201910182097.5A patent/CN109869438B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2768262Y (en) * | 2004-11-22 | 2006-03-29 | 夏泓轩 | Damping type anti-vibration plummet clamp |
| CN201238179Y (en) * | 2008-06-27 | 2009-05-13 | 江苏省电力公司连云港供电公司 | Novel shockproof hammer |
| CN201398056Y (en) * | 2009-04-27 | 2010-02-03 | 南京线路器材厂 | Bolted damper for overhead transmission line |
| CN201504073U (en) * | 2009-09-25 | 2010-06-09 | 南京线路器材厂 | Pre-twisted anti-vibration hammer for overhead transmission wire |
| CN201656395U (en) * | 2010-04-12 | 2010-11-24 | 南京线路器材厂 | Combined type damper for overhead power transmission line |
| CN107022955A (en) * | 2017-02-27 | 2017-08-08 | 华北水利水电大学 | Apparent mass rotary electric magnetic damper vibration absorbing device for staying cables of bridge and design method |
Non-Patent Citations (1)
| Title |
|---|
| 王世峰: "阻尼器对悬索桥吊索减振效果的数值研究", 《工程科技Ⅱ辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130599A (en) * | 2020-08-28 | 2020-12-25 | 同济大学 | Cable multi-mode vibration control method considering damper performance frequency dependency |
| CN112130599B (en) * | 2020-08-28 | 2022-02-25 | 同济大学 | Cable multi-mode vibration control method considering damper performance frequency dependency |
| CN112211468A (en) * | 2020-09-29 | 2021-01-12 | 温州市滨江建设投资有限公司 | Multiple harmonious mass damper |
| CN112227180A (en) * | 2020-09-30 | 2021-01-15 | 中铁大桥局集团有限公司 | Stay cable combined vibration reduction device and method |
| CN112695609A (en) * | 2020-12-18 | 2021-04-23 | 中铁大桥局集团有限公司 | Multi-directional multi-tuning mass damper for cable structure vibration reduction |
| CN115030016A (en) * | 2022-06-23 | 2022-09-09 | 河海大学 | Double-tuned mass damper for vibration reduction of suspension cable of suspension bridge |
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|---|---|
| CN109869438B (en) | 2020-09-08 |
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