CN1128282C - Viscoelastic brace - Google Patents
Viscoelastic brace Download PDFInfo
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- CN1128282C CN1128282C CN99800011A CN99800011A CN1128282C CN 1128282 C CN1128282 C CN 1128282C CN 99800011 A CN99800011 A CN 99800011A CN 99800011 A CN99800011 A CN 99800011A CN 1128282 C CN1128282 C CN 1128282C
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0237—Structural braces with damping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
- F16F9/303—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium the damper being of the telescopic type
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0235—Anti-seismic devices with hydraulic or pneumatic damping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
- F16F2236/10—Shear
- F16F2236/103—Shear linear
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- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
A viscoelastic brace, wherein first and second core members comprising shape steel, square steel tubes or circular steel tubes are disposed in series via a pipe expanding and contracting clearance, one set of channel steel or semicircular steel sheets and viscoelastic sheets disposed in opposite positions so as to enclose the first core member therewith being laminated in a single layer on and stuck to a side surface of the first core member, end portions of the channel steel or semicircular steel sheets being fixed to the second core member, whereby the first and second core members are viscoelastically joined to each other via the channel steel or semicircular steel sheets and viscoelastic sheets. This viscoelastic brace enables, in a structure which is higher than it is wide, such as a multistoried building, the horizontal deformation due to an earthquake and wind and a shearing force to be reduced, and vibration to be speedily damped.
Description
Technical field
The present invention relates in building or other works, the viscoplasticity that external force such as seismic forces and wind is had attenuating supports.
Prior art
Existing equipment for inhibiting of vibration has following various.Shown in Fig. 7 (a) and (b), in the end of supporting 101, fixing by steel plate 103 and the viscoelastic body 104 stacked vibration control apparatus that form 102 (can the summary collection referring to Architectural Institute of Japan's conference disquisition, nine divisions of China in remote antiquity, in October, 1989, P629～P630); And for example shown in Fig. 8 (a) and (b), (c), viscoplasticity material layer 113 is clipped in the vibration of building device 115 (Fig. 8 (b)) between the outer peripheral face of the inner peripheral surface of steel lateral branch timbering 111 and steel medial branch timbering 112; In the vibration of building restraining device 116 (Fig. 8 (c)) that Japan's special permission communique discloses for No. 2583801, cement class hardening component 114 is fixed on as the steel outside supports in 111 the body, between the outer peripheral face of the inner peripheral surface of this cement class hardening component 114 and steel medial branch timbering 112, by viscoplasticity material layer 113.
In the big a lot of high constructure of height over width resemble the high-rise building, the vibration that seismic forces and wind etc. causes can produce very big influence to works.Countermeasure for this vibration, as mentioned above, at supporting base end portion vibration control apparatus is installed, perhaps between the outer peripheral face of the inner peripheral surface of steel lateral branch timbering and steel medial branch timbering, press from both sides and establish in the equipment for inhibiting of vibration of viscoplasticity material layer, the part that absorbs vibrational energy only limits to supporting base end portion, perhaps can only insert one deck viscoplasticity material layer, so, the gross area of the viscoelastic body that can insert is limited, is difficult to improve the absorptive capacity of support to energy.In addition, if measure of the prior art shown in Fig. 7 (a) and (b) is extended to the total length of support, the gross area of viscoelastic body is increased, then exist the band steel plate that is stacked between the viscoelastic body may be crooked because of compressive force or outermost viscoplasticity material layer and band steel plate in the problem of outside disengaging etc.
In order to address the above problem, Japanese kokai publication hei 9-133169 communique has proposed the structure of set viscoelastic body between urceolus and inner core.But, in order to realize this structure, must flow into liquid viscoelastic body between them and make its set, and the solid shape thing that resembles the viscoelastic body sheet can not set, in addition, one deck viscoelastic body can only be constituted, several layers can not be constituted to improve the vibrational energy absorptive capacity.In the structure that Japanese kokai publication hei 1-187271 communique proposes, hold under the arm into viscoelastic body,, improve opposing for outer direction power by being adhered between the dual pipe with the body of closed section.But in should structure, owing to make viscoelastic body anchor at interior tube-surface, with outer tube it be held under the arm into carrying out set again, so, several layers viscoelastic body can not be made to improve the vibrational energy absorptive capacity.In addition, though hold viscoelastic body under the arm by the outer tube and the interior pipe that separate,, the outer tube of separation is bonding each other, can not make outer tube, interior pipe and viscoelastic body crimping fully.For abundant crimping outer tube, just the outer tube that separates must be separated the configuration of certain intervals ground.Therefore, in the prior art, can not accomplish fully closely bonding.
Summary of the invention
The present invention makes in view of the above problems, and it thes contents are as follows.
(1) viscoplasticity supports, the 1st core and the 2nd core that constitute by shaped steel, dihedral steel pipe or round steel pipe, across stretching with configuration in upright arrangement with gap, side at above-mentioned the 1st core, bonding encirclement the 1st core of individual layer ground lamination and one group of channel-section steel or semicircle steel plate and viscoelastic body sheet respectively mutually in the face of disposing, the end of above-mentioned channel-section steel or semicircle steel plate anchors on the 2nd core, and the 1st core is connected with viscoelastic body sheet viscoplasticity ground by above-mentioned channel-section steel or semicircle steel plate with the 2nd core.
(2) support as (1) described viscoplasticity, mutually constitute by some groups in the face of the channel-section steel that disposing or semicircle steel plate and viscoelastic body sheet, alternately bonding by lamination respectively, the end of above-mentioned channel-section steel or semicircle steel plate alternately anchors near the end of above-mentioned the 2nd core and the 1st core.
(3) support as (1) or (2) described viscoplasticity, fixing and covering, this lid will be mutually in the face of the side of outermost one side's who is disposing channel-section steel or semicircle steel plate, be connected with each other in the face of outermost the opposing party's of disposing channel-section steel or the side of semicircle steel plate mutually.
(4) support as each described viscoplasticity in (1) to (3), face above-mentioned channel-section steel or the semicircle steel plate that is disposing mutually, sky is opened certain interval each other.
(5) support as each described viscoplasticity in (1) to (4), form the shaped steel of above-mentioned the 1st core and the 2nd core, can be that H shape steel, I shape steel, H shape combination material or I shape are made up any one in the material, soffit of girder side at above-mentioned the 1st core, respectively stacked bonding mutually in the face of the one group of channel-section steel and the viscoelastic body sheet of configuration with individual layer, the end in the face of the channel-section steel that disposing anchors on the 2nd core mutually in this soffit of girder side.
(6) support as (5) described viscoplasticity, constitute by some groups in the face of channel-section steel and the viscoelastic body sheet that is disposing mutually in soffit of girder side, alternately bonding by lamination respectively, the end of above-mentioned channel-section steel alternately anchors near the end of above-mentioned the 2nd core or the 1st core.
(7) viscoplasticity supports, make up the 1st core and the 2nd core that material constitutes by H shape steel, I shape steel, H shape combination material or I shape, across stretching with configuration in upright arrangement with gap, soffit of girder side at above-mentioned the 1st core, respectively stacked bonding with individual layer mutually in the face of the one group of channel-section steel and the viscoelastic body sheet of configuration, the end of above-mentioned channel-section steel anchors on above-mentioned the 2nd core, and above-mentioned the 1st core is connected with viscoelastic body sheet viscoplasticity ground by above-mentioned channel-section steel with the 2nd core.
(8) support as (7) described viscoplasticity, constitute by some groups in the face of channel-section steel and the viscoelastic body sheet that is disposing mutually in soffit of girder side, alternately bonding by lamination respectively, the end of above-mentioned channel-section steel alternately anchors near the end of above-mentioned the 2nd core or the 1st core.
(9) support as each described viscoplasticity in (1) to (8), in the face of among above-mentioned one group or some groups of channel-section steels or semicircle steel plate and the viscoelastic body sheet group that are disposing, at least one group only is configured in a side mutually.
The accompanying drawing simple declaration
Fig. 1 is the figure of the suitable example of expression viscoplasticity support of the present invention, (a) is the one example, (b) is its another example, (c) is its another example.
Fig. 2 is the figure that expression viscoplasticity of the present invention supports embodiment 1, (a) be its skiagraph, (b) be an example of the A-A line profile (the 1st core 3 and the 2nd core 4 are H shaped steel) among the figure (a), (c) being another example of the A-A line profile (the 1st core 3 and the 2nd core 4 are dihedral steel pipes) among the figure (a), (d) is the another example of the A-A line profile (the 1st core 3 and the 2nd core 4 are round steel pipes) among the figure (a).
Fig. 3 is the figure that expression viscoplasticity of the present invention supports embodiment 2, (a) be its skiagraph, (b) be an example of the B-B line profile (the 1st core 3 and the 2nd core 4 are H shaped steel) among the figure (a), (c) being another example of the B-B line profile (the 1st core 3 and the 2nd core 4 are dihedral steel pipes) among the figure (a), (d) is the another example of the B-B line profile (the 1st core 3 and the 2nd core 4 are round steel pipes) among the figure (a).
Fig. 4 is the figure that expression viscoplasticity of the present invention supports embodiment 3, (a) is its skiagraph, (b) is an example of the D-D line profile (the 1st core 3 and the 2nd core 4 are H shaped steel) among the figure (a).
Fig. 5 (a) is the C-C line profile among Fig. 4 (a), (b) is the profile when in Fig. 4 (a) channel-section steel only being configured in a side.
Fig. 6 is another routine profile that expression viscoplasticity of the present invention supports.
Fig. 7 is the figure of one of the existing equipment for inhibiting of vibration of expression example, (a) is that device is installed concept map, (b) is the concept map and the profile of vibration control apparatus.
Fig. 8 is the figure that another example of device is resisted in the existing vibration of expression, is that device is installed concept map (a), (b) is the profile of 2 different examples of vibration of building restraining device with (c).
Fig. 9 is section radius of gyration size figure relatively among the expression embodiment 1, (a) the section radius of gyration of expression channel-section steel, (b) the section radius of gyration of the semicircle steel plate of expression, (c) the section radius of gyration of expression band steel.
Figure 10 is section radius of gyration size figure relatively among the expression embodiment 2, (a) the section radius of gyration of expression channel-section steel, (b) the section radius of gyration of the semicircle steel plate of expression, (c) the section radius of gyration of expression band steel.
Implement most preferred embodiment of the present invention
Among the present invention, side at the 1st core, surround the 1st core and mutually in the face of the channel-section steel of configuration or semicircle steel plate and viscoelastic body sheet alternately stacked bonding become individual layer or several layers, the end of above-mentioned channel-section steel or semicircle steel plate alternately anchors on the end and the 2nd core of above-mentioned the 1st core, above-mentioned the 1st core separates flexible with being connected with above-mentioned viscoelastic body sheet by above-mentioned channel-section steel or semicircle steel plate with gap with above-mentioned the 2nd core, like this, when vibrational energy enters the viscoplasticity support, shear strain by the viscoelastic body sheet absorbs this vibrational energy, makes its decay.
At this moment, because the channel-section steel or the semicircle steel plate of stacked viscoelastic body sheet are the big parts of the section radius of gyration all, so, do not produce bending during compression yet, can realize stable Stress Transfer.In addition, mutually in the face of the outermost above-mentioned channel-section steel that disposing or the side of semicircle steel plate, set lid and is connected to each other, so whole laminated structure retrains besiegedly, above-mentioned channel-section steel or semicircle steel plate and viscoelastic body sheet do not produce to be peeled off.
Like this, the horizontal direction distortion and the shearing force of the works that produces along with the horizontal vibration of high-rise building can be alleviated, vibration attenuation can be promptly made.
Viscoplasticity of the present invention supports, because of having above-mentioned structure, can solve the problem of vibration control apparatus parts bending under compression force in the prior art, and, be connected to each other owing to lid in the side set of the outermost channel-section steel of facing configuration mutually or semicircle steel plate, so, solved the problem of peeling off between viscoelastic body sheet and the steel plate.In addition, compared with prior art, owing to can sandwich a plurality of viscoelastic body sheet sections, so the performance height that viscoplasticity supports.
Embodiment
Below, describe embodiments of the invention in detail.
The embodiment 1 that the explanation viscoplasticity of the present invention that sees figures.1.and.2 supports.
Fig. 1 (a) and (b), (c) are that the example that supports as high-rise building is supported viscoplasticity of the present invention in expression.
Fig. 1 (a), (b) and viscoplasticity (c) support 2 structure and be, at Fig. 2 (a), the side of the 1st core 3 of the shape of H (b) section, alternately bonding encirclement the 1st core 3 of lamination and the 1st viscoelastic body sheet 9 and the 1st channel-section steel 6 mutually in the face of disposing, the end of the 1st channel-section steel 6 anchors on the 2nd core 4 of H shape section by the 1st channel-section steel retaining element 13, offering the 1st core on the building frame 1 that is used for fixing as shown in Figure 1 on the 1st core 3 and the 2nd core 4 is connected with hole 15 and is connected usefulness hole 16 with the 2nd core, mutually, side set lid 17, the 1 cores 3 of the 1st channel-section steel 6 that disposing and the 2nd core 4 flexiblely be connected with the 1st channel-section steel 6 with gap 30 and by the 1st viscoelastic body sheet 9 in the face of separating.
The section configuration of the 1st core 3 and the 2nd core 4 also can be dihedral steel pipe, a round steel pipe such shown in Fig. 2 (c), (d), during for the round tube steel, replaces above-mentioned the 1st channel-section steel 6 with the 1st semicircle steel plate 27.
By flexiblely being clipped between the 1st core 3 and the 2nd core 4,, can making the 1st core the 3, the 2nd core 4 and the 1st channel-section steel 6 not produce distortion, and only make the 1st viscoelastic body sheet 9 produce shear strains when vibrational energy enters viscoplasticity when supporting 2 with gap 30 with above-mentioned.
As Fig. 9 (a) and (b) with (c), when the 1st channel-section steel the 6, the 1st semicircle steel plate 27 is identical respectively with width B with the 1st band thickness t of steel 31, around the second moment of area I of the neutral axis X-X of the 1st channel-section steel 6 and the 1st semicircle steel plate 27
1, I
2Be the second moment of area I of the 1st band steel 31
3About 150～160 times, so, the section radius of gyration i of the 1st channel-section steel 6 and the 1st semicircle steel plate 27
1, i
2Be the section radius of gyration i of the 1st band steel 31
3About 9 times to 10 times, do not produce bending during the direction of principal axis compression force.In addition, lid 17 anchors at mutually the side in the face of the 1st channel-section steel 6 that is disposing, and the 1st channel-section steel the 6, the 1st viscoelastic body sheet 9 and 3 constraints of the 1st core are lived, and can prevent that it from peeling off mutually, stably to transmit stress.
As shown in Figure 2, connect with hole 15 with above-mentioned the 1st core and to be connected with the 2nd core, by bolt etc. above-mentioned viscoplasticity shown in Figure 1 is supported 2 and be fixed on the framework 1 of building, like this with hole 16, enter the vibrational energy of building frame 1, because of the shear strain of the 1st viscoelastic body sheet 9 is absorbed.
For example, when the bonding length that is bonded in the viscoelastic body sheet 9 of the 1st core 3 sides shown in Figure 2 extends to core total length except connecting portion, long-pending for prior art shown in Figure 8 that vibration control apparatus 115 (116) (end of this vibration control apparatus has one deck viscoelastic body sheet) is installed 5 times of the shearing area of viscoelastic body sheet 9 then, the vibrational energy absorptive capacity also is its 5 times.Therefore, the vibration of the building frame 1 of can promptly decaying, viscoplasticity supports 2 can bring into play superior vibration isolation effect.
Embodiment 2
With reference to Fig. 3 the embodiment 2 that viscoplasticity of the present invention supports is described.
The structure of present embodiment viscoplasticity support 2 and embodiment illustrated in fig. 21 viscoplasticity support 2 following difference: shown in Fig. 3 (a) and (b), in the side of the 1st core 3 of H shape section, alternately bonding encirclement the 1st core 3 of lamination and the 1st viscoelastic body sheet the 9, the 1st channel-section steel the 6, the 2nd viscoelastic body sheet the 10, the 2nd channel-section steel the 7, the 3rd viscoelastic body sheet 11 and the 3rd channel-section steel 8 mutually in the face of disposing.The end of the 1st channel-section steel 6 is anchored on the 2nd core 4 of H shape section by the 1st channel-section steel retaining element 13.The end of the 3rd channel-section steel 8 anchors on the 2nd core 4 of H shape section by the 3rd channel-section steel retaining element 14.The end of the 2nd channel-section steel 7 anchors on the 1st section bar 3 of H shape section by the 2nd channel-section steel retaining element 12.The 1st core 3 is connected with the 3rd channel-section steel 8 by the 1st viscoelastic body sheet the 9, the 1st channel-section steel the 6, the 2nd viscoelastic body sheet the 10, the 2nd channel-section steel the 7, the 3rd viscoelastic body sheet 11 with the 2nd core 4.Cover 17 in the side set of facing the 3rd channel-section steel that is disposing mutually.
That is, support in 2 in viscoplasticity shown in Figure 2, the combination of the 1st viscoelastic body sheet 9 and the 1st channel-section steel 6 is one deck structures.And support in 2 in viscoplasticity shown in Figure 3, be the 1st viscoelastic body sheet 9 and the 1st channel-section steel the 6, the 2nd viscoelastic body sheet 10 and the 2nd channel-section steel the 7, the 3rd viscoelastic body sheet 11 and the such three layers composite construction of the 3rd channel-section steel 8.
Such structure is not limited to 3 layers, also can make the combination of viscoelastic body sheet and channel-section steel more multi-layered.
The section configuration of above-mentioned the 1st core 3 and the 2nd core 4 also can be such dihedral steel pipe, round steel pipe shown in Fig. 3 (c), (d).During for round steel pipe, replace above-mentioned the 1st channel-section steel the 6, the 2nd channel-section steel the 7, the 3rd channel-section steel 8 with the 1st semicircle steel plate the 27, the 2nd semicircle steel plate 28 and the 3rd semicircle steel plate 29.
At this moment, shown in Figure 10 (a) and (b), (c), when the 1st channel-section steel the 6, the 1st semicircle steel plate 27 is identical respectively with width B with the 1st band thickness of steel 31, around the second moment of area I of the neutral axis X1-X1 of the 1st channel-section steel 6 and the 1st semicircle steel plate 27
1, I
9Be the second moment of area I of the 1st band steel 31
3About 150～160 times, so, the section radius of gyration i of the 1st channel-section steel 6 and the 1st semicircle steel plate 27
1, i
2Be the section radius of gyration i of the 1st band steel 31
3About 9 times to 10 times, do not produce bending during the direction of principal axis compression force.
Similarly, the section radius of gyration of the 2nd channel-section steel the 7, the 3rd channel-section steel the 8, the 2nd semicircle steel plate 28 and the 3rd semicircle steel plate 29 is bigger than the 2nd band steel 32 and the 3rd band steel 33, does not produce bending during compression force.
In addition, laminated structure by outermost layer steel plate 8 or 29 and lid 17 constraints live, so, can prevent that viscoelastic body sheet and channel-section steel from peeling off, can stably transmit stress.
In the present embodiment 2, the viscoelastic body sheet that is bonded in the 1st core 3 sides is altogether stacked bonding three layers, compares with the embodiment 1 of stacked bonding one deck, and under the condition that the thickness and the volume of each viscoelastic body sheet equates, the vibrational energy absorptive capacity also improves 3 times.Like this, can form jumbo viscoplasticity and support 2, the vibrational energy of building frame 1 is absorbed by the shear strain of viscoelastic body sheet, and its attenuating is more remarkable than embodiment 1.
Embodiment 3
With reference to Fig. 4, Fig. 5 the embodiment 3 that viscoplasticity of the present invention supports is described.The structure of the viscoplasticity support 2 of present embodiment 3 and the viscoplasticity of Fig. 3 (a) and (b) illustrated embodiment 2 support 2 following difference: shown in Fig. 4 (a) and (b) and Fig. 5 (a), in the web side of the 1st core 3 of H shape section, alternately stackedly bondingly holding the 1st core 3 soffit of girders under the arm and mutually in the face of the 1st inner viscoelastic body sheet the 21, the 1st inner fluted steel the 19, the 2nd inner viscoelastic body sheet the 22, the 2nd inner fluted steel 20 of configuration.The end of the 1st inner fluted steel 19 anchors on the 2nd core 4 of H shape section by the 1st inner fluted steel retaining element 23.The end of the 2nd inner fluted steel 20 is by on the 1st core 3 of the 2nd inner fluted steel retaining element 24 set H shape sections.The 1st core 3 is connected with the 2nd inner fluted steel 20 by the 1st viscoelastic body sheet the 9, the 1st channel-section steel the 6, the 2nd viscoelastic body the 10, the 2nd channel-section steel the 7, the 3rd viscoelastic body sheet the 11, the 3rd channel-section steel 8 and the 1st inner viscoelastic body sheet the 21, the 1st inner fluted steel the 19, the 2nd inner viscoelastic body sheet 22 with the 2nd core 4.
That is, viscoelastic body in Fig. 4 (a) and (b) and Fig. 5 (a) illustrated embodiment 3 supports 2, is in Fig. 3 (a) and (b) illustrated embodiment 2, and the soffit of girder two sides of supporting 2 the 1st core 3 in viscoplasticity have increased the stromatolithic structure of viscoelastic body sheet and channel-section steel.In addition, the present invention also can make the structure shown in Fig. 5 (b), promptly, mutually among the combination in the face of a group of disposing or some groups of channel-section steels or semicircle steel plate and viscoelastic body sheet, at least one group only is configured in a side, and promptly channel-section steel or semicircle steel plate and viscoelastic body sheet can only be configured in a side.
Such stromatolithic structure also can be made the combination of viscoelastic body sheet and channel-section steel more multi-layered.
Compare with embodiment 2, in the present embodiment 3, the viscoelastic body sheet that lamination is bonded in the 1st core 3 soffit of girder sides is 4 layers, and long-pending correspondingly with the shearing area of these 4 layers of viscoelastic body sheets, the vibrational energy absorptive capacity also increases.
In addition, variation as viscoplasticity support of the present invention, as shown in Figure 6, the 1st core and the 2nd core that constitute by H shape steel, I shape steel, H shape combination material or I shape composition element, separating flexible with configuration in upright arrangement with gap, in the soffit of girder side of the 1st core, stacked bonding one group of channel-section steel and the viscoelastic body sheet that is disposing of facing mutually in individual layer ground respectively, the end of above-mentioned channel-section steel anchors on the 2nd core, and the 1st core is connected with viscoelastic body sheet viscoplasticity ground by above-mentioned channel-section steel with the 2nd core.In addition, also can be alternately stacked bonding some groups of channel-section steel and viscoelastic body sheets in the face of disposing mutually in soffit of girder side, replace the channel-section steel and the viscoelastic body sheet of the monolayer constructions will in this viscoplasticity support, the end of above-mentioned channel-section steel alternately anchors near the 2nd core or the 1st core end.Do not resemble above-mentioned individual layer or bonding encirclement the 1st core of several layers ground lamination and one group of channel-section steel and the viscoelastic body sheet in the face of disposing mutually, adopting more the viscoplasticity of simple structure to support also is enough to satisfy instructions for use.
Like this, by in the soffit of girder two sides of the 1st core 3 of H shape section, bonding viscoelastic body sheet of lamination and channel-section steel can form jumbo viscoplasticity and support 2.
Therefore,, can absorb the vibrational energy that enters building frame 1 more, obtain higher attenuating than embodiment 2 by the shear strain of viscoelastic body sheet.According to the present invention, the vibration of the building frame 1 of can decaying rapidly, above-mentioned viscoplasticity supports 2 can bring into play superior vibration isolation effect.
Industrial applicibility
As mentioned above, according to the present invention, channel-section steel or semicircle that viscoelastic body sheet lamination gets up Steel plate is the big parts of the section radius of gyration all, so, do not produce the change song during compression, can Stably transmit stress. In addition, mutually face outermost channel-section steel or the semicircle steel that is disposing The side set of plate has lid and interconnects, and whole laminated structure retrains besiegedly, on State not produce between channel-section steel or semicircle steel plate and the viscoelastic body sheet and peel off. In addition, because upper Stating channel-section steel or semicircle steel plate is mutually to face discretely disposing, so, can lamination ground Above-mentioned viscoelastic body sheet and channel-section steel or semicircle steel plate are made in crimping, will viscoelastic body stream Enter (also can effectively make for the viscoelastic body that can not flow into), like this, at skyscraper In the much larger works of the such height over width of thing, can alleviate and produced by earthquake and wind etc. The distortion of horizontal direction and shearing force, promptly damped vibration.
Claims (8)
1. viscoplasticity supports, it is characterized in that, by shaped steel, the 1st core and the 2nd core that dihedral steel pipe or round steel pipe constitute, across stretching with configuration in upright arrangement with gap, side at above-mentioned the 1st core, bonding encirclement the 1st core of individual layer ground lamination and one group of channel-section steel or semicircle steel plate and viscoelastic body sheet respectively mutually in the face of disposing, the end of above-mentioned channel-section steel or semicircle steel plate anchors on the 2nd core, the 1st core is connected with viscoelastic body sheet viscoplasticity ground by above-mentioned channel-section steel or semicircle steel plate with the 2nd core, mutually constitute by some groups in the face of the channel-section steel that disposing or semicircle steel plate and viscoelastic body sheet, alternately bonding by lamination respectively, the end of above-mentioned channel-section steel or semicircle steel plate alternately anchors near the end of above-mentioned the 2nd core or the 1st core.
2. viscoplasticity as claimed in claim 1 supports, it is characterized in that, fixing and covering, this lid will be mutually in the face of the side of outermost one side's who is disposing channel-section steel or semicircle steel plate, be connected with each other in the face of outermost the opposing party's of disposing channel-section steel or the side of semicircle steel plate mutually.
3. support as each described viscoplasticity in the claim 1 to 2, it is characterized in that, face above-mentioned channel-section steel or the semicircle steel plate that is disposing mutually, sky is opened certain interval each other.
4. support as each described viscoplasticity in the claim 1 to 3, it is characterized in that, form the shaped steel of above-mentioned the 1st core and the 2nd core, can be that H shape steel, I shape steel, H shape combination material or I shape are made up any one in the material, soffit of girder side at above-mentioned the 1st core, respectively stacked bonding mutually in the face of the one group of channel-section steel and the viscoelastic body sheet of configuration with individual layer, the end in the face of the channel-section steel that disposing anchors on the 2nd core mutually in this soffit of girder side.
5. viscoplasticity as claimed in claim 4 supports, it is characterized in that, mutually in the face of channel-section steel and the viscoelastic body sheet that is disposing constitutes by some groups, alternately bonding by lamination respectively, the end of above-mentioned channel-section steel alternately anchors near the end of above-mentioned the 2nd core or the 1st core in soffit of girder side.
6. viscoplasticity supports, it is characterized in that, make up the 1st core and the 2nd core that material constitutes by H shape steel, I shape steel, H shape combination material or I shape, across stretching with configuration in upright arrangement with gap, soffit of girder side at above-mentioned the 1st core, respectively stacked bonding the end of above-mentioned channel-section steel anchors on above-mentioned the 2nd core mutually in the face of the one group of channel-section steel and the viscoelastic body sheet of configuration with individual layer, above-mentioned the 1st core and the 2nd core by above-mentioned channel-section steel and viscoelastic body sheet viscoplasticity be connected.
7. viscoplasticity as claimed in claim 6 supports, it is characterized in that, mutually in the face of channel-section steel and the viscoelastic body sheet that is disposing constitutes by some groups, alternately bonding by lamination respectively, the end of above-mentioned channel-section steel alternately anchors near the end of above-mentioned the 2nd core or the 1st core in soffit of girder side.
8. support as each described viscoplasticity in the claim 1 to 7, it is characterized in that, in the face of among above-mentioned one group or some groups of channel-section steels or semicircle steel plate and the viscoelastic body sheet group that are disposing, at least one group only is configured in a side mutually.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29062/1998 | 1998-01-28 | ||
| JP2906298 | 1998-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1255952A CN1255952A (en) | 2000-06-07 |
| CN1128282C true CN1128282C (en) | 2003-11-19 |
Family
ID=12265891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99800011A Expired - Lifetime CN1128282C (en) | 1998-01-28 | 1999-01-28 | Viscoelastic brace |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1128282C (en) |
| HK (1) | HK1027143A1 (en) |
| WO (1) | WO1999039064A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995575B (en) * | 2002-02-21 | 2013-01-02 | 奥依列斯工业株式会社 | Damper and vibration controlling structure using the same |
| JP4622207B2 (en) * | 2002-02-21 | 2011-02-02 | オイレス工業株式会社 | Vibration absorber and damping structure using the same |
| GB0212197D0 (en) * | 2002-05-27 | 2002-07-03 | Univ Cambridge Tech | Building collapse control system and method |
| JP4729132B2 (en) | 2009-03-12 | 2011-07-20 | 新日本製鐵株式会社 | Linked hardware, vibration control structure, and building structure |
| CN103122662B (en) * | 2013-03-19 | 2015-08-12 | 上海沃耳沃建筑材料有限公司 | A kind of buckling restrained brace containing viscoelastic material |
| JP2016061410A (en) * | 2014-09-19 | 2016-04-25 | オイレス工業株式会社 | Vibration attenuation device for structure |
| CN104534014B (en) * | 2014-11-11 | 2016-10-12 | 上海宇航***工程研究所 | A kind of shearing-type damping pipe with damping property and vibration damping adapter |
| CN105888090A (en) * | 2014-11-12 | 2016-08-24 | 徐赵东 | Low yield point steel and high dissipation viscoelasticity buckling restraining brace |
| WO2018138954A1 (en) * | 2017-01-30 | 2018-08-02 | 住友理工株式会社 | Vehicle frame supporting device |
| CN110847674B (en) * | 2019-11-22 | 2021-02-23 | 山东大学 | Breeze vibration energy consumption suppression device for rod piece of service steel pipe tower |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01187271A (en) * | 1988-01-21 | 1989-07-26 | Kajima Corp | Earthquake-resistant device |
| JP2534171B2 (en) * | 1991-07-24 | 1996-09-11 | 新日本製鐵株式会社 | Vibration suppression device for buildings |
| JPH06167138A (en) * | 1992-11-27 | 1994-06-14 | Ohbayashi Corp | Damping device for eccentric brace structure |
-
1999
- 1999-01-28 CN CN99800011A patent/CN1128282C/en not_active Expired - Lifetime
- 1999-01-28 WO PCT/JP1999/000367 patent/WO1999039064A1/en active Application Filing
-
2000
- 2000-10-10 HK HK00106395A patent/HK1027143A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999039064A1 (en) | 1999-08-05 |
| HK1027143A1 (en) | 2001-01-05 |
| CN1255952A (en) | 2000-06-07 |
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