CN101896674A - Wall type friction damper - Google Patents
Wall type friction damper Download PDFInfo
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- CN101896674A CN101896674A CN2008801207327A CN200880120732A CN101896674A CN 101896674 A CN101896674 A CN 101896674A CN 2008801207327 A CN2008801207327 A CN 2008801207327A CN 200880120732 A CN200880120732 A CN 200880120732A CN 101896674 A CN101896674 A CN 101896674A
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- movable platen
- wall type
- fixed head
- type friction
- friction damper
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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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
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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
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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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- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
The invention provides a wall type friction damper which can directly utilize a horizontal displacement between upper and lower beams in each story of a high rise building caused by disturbances such as earthquake and wind, which has a simple structure, and in which a reduction in pressing force acting on friction surfaces is minimized to maintain an initial friction damping force. A wall type friction damper comprises movable plates (13, 14, 15) having long holes that are arranged at predetermined intervals in the horizontal and vertical directions so as to extend in the horizontal direction and vertically standing from a lower member (3); fixed plates (4, 6, 8) having round holes that are prepared at positions that face the positions of the long holes arranged in the movable plates and vertically extending from an upper member (2); friction members sandwiched between the movable plates and the fixed plates and consisting of slip materials (25) and mating materials (26); PC steel rods (31) penetrating the long holes provided in the movable plates and the round holes prepared in the fixed plates so as to face the long holes; and fastening nuts (32). The slip materials and the mating materials of the friction members perform frictional sliding by relative horizontal deformation of the upper and lower members.
Description
Technical field
The present invention relates to wall type friction damper (damper), particularly relate to following wall type friction damper: be installed between the underbeam, by frictional attenuation, absorb because the external disturbance of earthquake or wind etc. at the displacement energy of the relative displacement of the horizontal direction that is produced between the underbeam on each layer of building construction especially high-rise building, reduces fast and rocks.
Background technology
In the past, for quick decay high-rise building by earthquake and/or wind caused rocks, damping device as at high-rise structure is provided with: utilized viscoid the viscous damping device, used high decay rubber etc. the viscoelastic damping device, utilized the plastoelastic damping unit of steel and/or used friction damping device of friction material etc.
For example, the shock-damping structure of following inner attenuation type is disclosed in patent documentation 1: at the damping capacity that improves middle level, high level, super high rise building and/or tower columnar structure thing, when improving shatter-proof security performance, between the levels of multi-layer structure material, dispose damping unit.Specifically, show following shock-damping structure: mainly be building method as shatter-proof, the anti-wind safety that improves high-rise building, in the cage construction of oblique tube that comprises post, beam or pillar (brace) etc. etc., and with various energy absorbing devices such as steel damper and viscous dampers.
In addition, following frcition damper is disclosed in patent documentation 2: have the fastening formation to the rubbing surface pressurization that cartridge type and employing synthetic resin are made slide plane and passed through bolt, reduce peeling off of wearing and tearing and sliding layer as much as possible with simple formation, can access damping characteristic steady in a long-term.
Following frcition damper is proposed: produced for slide plane under the situation of wearing and tearing at sliding panel that constitutes frcition damper and friction plate in patent documentation 3, also make simple structure, suppress the reduction of frictional force between the two, keep initial vibration damping power, the disc spring assembly is set, the setting contact pressure that puts on the disc spring assembly is set for:, work in the non-linear elastic force zone that the change of elastic force diminishes in deflection deformation with respect to the disc spring assembly.
Patent documentation 1: Japanese kokai publication hei 11-343755 communique
Patent documentation 2: TOHKEMY 2003-278828 communique
Patent documentation 3: Japanese kokai publication hei 11-269984 communique
Summary of the invention
But, with patent documentation 2 disclosed frcition damper when structure is used, imagination and strut member are similarly with its situation about along inclined direction being provided with respect to building, external force for horizontal direction, frcition damper only can have been given play to the resistance that has only component part, can not directly effectively utilize the relative addendum modification in the horizontal direction that produces between the underbeam on each layer of high-rise building.
In addition, the frcition damper of record in the patent documentation 3: in deflection deformation, work in the non-linear elastic force zone that the change of elastic force diminishes, must manage, in addition, install and self also might become big to installment state with respect to disc spring.
Therefore, the present invention makes in view of above-mentioned problem in the past, provide a kind of following wall type friction damper: can directly utilize because the displacement of the horizontal direction that underbeam etc. on each layer of high-rise building such as the external disturbance of earthquake and/or wind etc. is produced, also can suppress the stressed reduction that applies to rubbing surface with simple structure, and then can keep initial friction damping force.
In order to reach above-mentioned purpose, the present invention is a kind of wall type friction damper, it is characterized in that, possesses movable platen, fixed head, friction means and secure component; This movable platen have in the horizontal direction with vertical with predetermined interval separately along continuous straight runs extend a plurality of slotted holes that are provided with, erect from lower member along vertical and be provided with; This fixed head have perforation be arranged on relative with the slotted hole position that is disposed at above-mentioned movable platen to a plurality of circular holes of position, the setting of hanging down from upper-part along vertical; This friction means is configured to be held by above-mentioned movable platen and said fixing plate holder, comprises sliding part and counterpart; This secure component comprises PC rod iron and clamp nut, fastening above-mentioned movable platen and said fixing plate; This PC rod iron connects: be arranged on each of a plurality of slotted holes of above-mentioned movable platen, with relative with this each slotted hole to perforation be arranged on each of circular hole of above-mentioned movable platen; Each threads engage of this clamp nut and this PC rod iron; Because the relative deformation of the horizontal direction of above-mentioned lower member and above-mentioned upper-part, make the sliding part and the counterpart Frictional Slipping of above-mentioned friction means.
And, according to wall type friction damper involved in the present invention, can utilize relative deformation in the horizontal direction that produces between the parts up and down, therefore, can use the space between the parts up and down effectively, compare with situation in the past, can utilize rubbing surface significantly biglyyer, can give structure big frictional damping.In addition, apply the compressive force applying unit of compressive force as the rubbing surface that carries out Frictional Slipping to the relative displacement that utilizes the horizontal direction of parts up and down, use PC copper rod and clamp nut, thus, the temperature effect during Frictional Slipping and/or the influence of environment temperature and reproducibility, with by hex bolts for example the fastening unit of the realization of 10.9 grades or 8.8 grades compare, become good, can obtain compressive force steady in a long-term, its result can guarantee the stability of frcition damper performance.And, by using the PC rod iron, do not use disc spring etc., also can reduce initial setting the variation of fastening force, the frcition damper of the frictional damping that can realize providing stable.
In addition, the present invention is a kind of wall type friction damper, it is characterized in that, possesses movable platen, fixed head, friction means and secure component; This movable platen have in the horizontal direction with vertical with predetermined interval, along continuous straight runs extends a plurality of slotted holes that are provided with, the setting of hanging down from upper-part along vertical separately; This fixed head have perforation be arranged on relative with the slotted hole position that is disposed at above-mentioned movable platen to a plurality of circular holes of position, erect from lower member along vertical and to be provided with; This friction means is configured to be held by above-mentioned movable platen and said fixing plate holder, comprises sliding part and counterpart; This secure component comprises PC rod iron and clamp nut, fastening above-mentioned movable platen and said fixing plate; This PC rod iron connects: be arranged on each of a plurality of slotted holes of above-mentioned movable platen, with relative with this each slotted hole to perforation be arranged on each of circular hole of above-mentioned movable platen; Each threads engage of this clamp nut and this PC rod iron; Because the relative deformation of the horizontal direction of above-mentioned lower member and above-mentioned upper-part, make the sliding part and the counterpart Frictional Slipping of above-mentioned friction means.According to the present invention, with foregoing invention similarly, can utilize rubbing surface biglyyer, can give structure big frictional damping, and the temperature effect during Frictional Slipping or the influence of environment temperature and reproducibility are good, compressive force steady in a long-term can be obtained, stable performance etc. can be guaranteed.
In above-mentioned wall type friction damper, possess at least one above-mentioned movable platen and put 1 said fixing plate than this movable platen polygamy, possess the friction means that comprises above-mentioned sliding part and counterpart at adjacent above-mentioned movable platen and between the said fixing plate each in the mode of this movable platen of clamping.Thus, can obtain the Frictional Slipping face on the two sides, the surperficial back side of movable platen, and, by configuration polylith movable platen, can obtain frictional force effectively.
In above-mentioned wall type friction damper, above-mentioned secure component can be constituted: also possess the tabular dispersive stress metal parts with hole that above-mentioned PC rod iron connected, this tabular dispersive stress is configured between above-mentioned clamp nut and the said fixing plate with metal parts.Adopt this formation, can disperse fastening force, can prevent to be applied to the pressure distribution inequality of Frictional Slipping face by the secure component generation, its result, can prevent the rising of the local pressure that applies to sliding panel, can prevent the excessive wearing and tearing of sliding part, can obtain frictional damping steady in a long-term.Above-mentioned tabular dispersive stress metal parts is both overlooked and can also can be circle or ellipse etc. for the polygon of quadrangle etc., as long as it is uneven to prevent to be applied to the pressure distribution of Frictional Slipping face, does not limit its shape.
In above-mentioned wall type friction damper, above-mentioned friction means can be constituted: above-mentioned sliding part is close to any one party of above-mentioned movable platen side or said fixing plate side across aluminium sheet, and above-mentioned counterpart is close to any the opposing party of above-mentioned movable platen side or said fixing plate side.According to this formation; utilize the flexibility of aluminium sheet, can prevent that sliding panel from contacting with the unbalanced of movable platen or fixed head with sliding panel from the position deviation of movable platen or fixed head, therefore; can apply uniform pressure to friction means, can guarantee the reliable slip between sliding panel face and the matching board face.
In above-mentioned wall type friction damper, can dispose above-mentioned friction means in the horizontal direction continuously at each of the zone between 2 adjacent on vertical slotted holes of above-mentioned movable platen.Thus, the necessity according to inspection, maintenance or the replacing etc. of friction means as long as unclamp clamp nut, just can unload friction means, can easily carry out the management of keeping of job site.
In above-mentioned wall type friction damper, the sliding part of above-mentioned friction means can be constituted: possess base material and plastic sliding layer; This base material is the reticulate body that comprises expanded metal (expanded metal) or wire gauze; This plastic sliding layer is filled in the mesh of this reticulate body, and is formed on the one side of this base material; This sliding layer is configured in the contact surface side that contacts with above-mentioned matching board.
In addition, in above-mentioned wall type friction damper, above-mentioned sliding layer can be constituted and contain TFE, guarantee stable friction factor, can get rid of the grating that in frcition damper, is easy to generate and/or the worry of vibration (stick slip (stick slip)).
As described above, according to wall type friction damper involved in the present invention, can directly utilize because earthquake etc. and the displacement of the horizontal direction that underbeam etc. produces on each layer of high-rise building, use simple structure, also can suppress the stressed reduction that applies to rubbing surface, can keep initial friction damping force.
Description of drawings
Fig. 1 is the figure of an embodiment of expression wall type friction damper involved in the present invention, (a) for the assembling front view, (b) is assembling side elevation.
Fig. 2 (a) is the upside stand of presentation graphs 1 (b) and the enlarged drawing between the downside stand, (b) is the B portion enlarged drawing of Fig. 1 (a), (c) is the C portion enlarged drawing of (a).
Fig. 3 is the figure of the 1st fixed head of the wall type friction damper of presentation graphs 1, (a) is front view, (b) is lateral view.
Fig. 4 is the figure of the 2nd fixed head of the wall type friction damper of presentation graphs 1, (a) is front view, (b) is lateral view.
Fig. 5 is the figure of the 3rd fixed head of the wall type friction damper of presentation graphs 1, (a) is front view, (b) is lateral view.
Fig. 6 is the figure of the 1st movable platen of the wall type friction damper of presentation graphs 1, (a) is front view, (b) is lateral view.
Fig. 7 is the figure of the 2nd movable platen of the wall type friction damper of presentation graphs 1, (a) is front view, (b) is lateral view.
Fig. 8 is the figure of the 3rd movable platen of the wall type friction damper of presentation graphs 1, (a) is front view, (b) is lateral view.
Fig. 9 is that the buckling of wall type friction damper of presentation graphs 1 prevents from the figure of plate from (a) to be front view, (b) is lateral view.
Figure 10 is the figure that the dispersive stress of the wall type friction damper of presentation graphs 1 is used metal parts, (a) is front view, (b) is lateral view.
Figure 11 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 12 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 13 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 14 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 15 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 16 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 17 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 18 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 19 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 20 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 21 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 22 is the stereogram of assemble method that is used for the wall type friction damper of key diagram 1.
Figure 23 is used for the assemble method of wall type friction damper of key diagram 1 and the stereogram of action.
Figure 24 is the stereogram of action that is used for the wall type friction damper of key diagram 1.
Figure 25 is the used damper of test of expression wall type friction damper involved in the present invention, (a) for the assembling front view, (b) is assembling side elevation.
Figure 26 is illustrated in the wall type friction damper involved in the present invention, has used the figure of 10.9 grades of hex boltss of M30 as the speed interdependence experimental data under the situation of fastening unit.
Figure 27 is illustrated in the wall type friction damper involved in the present invention, has used the figure of 8.8 grades of hex boltss of M30 as the speed interdependence experimental data under the situation of fastening unit.
Figure 28 is the figure that is illustrated in the wall type friction damper involved in the present invention, has used the speed interdependence experimental data under the situation of PC rod iron of M30.
Figure 29 is the figure that is illustrated in loose (relaxation) result of the test of wall type friction damper involved in the present invention.
Description of reference numerals:
1: wall type friction damper; 2: the upside stand; 3: the downside stand; 4: the 1 fixed heads; 4a: circular hole; 4b: circular hole; 6: the 2 fixed heads; 6a: circular hole; 8: the 3 fixed heads; 8a: circular hole; 11: the 1 movable platens; 11a: slotted hole; 11b: circular hole; 13: the 2 movable platens; 13a: circular hole; 15: the 3 movable platens; 15a: slotted hole; 15b: circular hole; 16: clamping plate; 18: high-strength bolt; 21: clamping plate; 23: high-strength bolt; 24: aluminium sheet; 25: sliding panel; 26: counterpart; 27: buckling prevents plate (buckling prevents plate); 27a: circular hole; 27b: circular hole; 29: the dispersive stress metal parts; 29a: circular hole; 31:PC rod iron (Steel Bar for Prestressed Concrete, steel bar for prestressed concrete); 32: clamp nut; 33: friction means etc.; 35: bolt; 36: bolt; The 37:PC rod iron; 40: the superstructure thing; 41: the infrastructure thing; 51: wall type friction damper; 52: the upside stand; 53: the downside stand; 54: the 1 fixed heads; 56: the 2 fixed heads; 58: the 3 fixed heads; 61: the 1 movable platens; 62: the 2 movable platens; 63: the 3 movable platens; 66: clamping plate; 68: bolt; 71: clamping plate; 73: bolt; 77: buckling prevents plate; 79: the dispersive stress metal parts; 81: fastening unit (hex bolts or PC rod iron); 82: fastening unit (nut or clamp nut); 85: bolt; 86: bolt.
The specific embodiment
Then, with reference to accompanying drawing, embodiments of the present invention are described.
Fig. 1 and Fig. 2 represent an embodiment of wall type friction damper involved in the present invention, and this wall type friction damper 1 comprises: upside stand 2, downside stand the 3, the 3rd fixed head the 8, the 1st fixed head the 4, the 2nd fixed head 6, buckling prevents that plate the 27, the 3rd movable platen the 15, the 1st movable platen the 11, the 2nd movable platen 13, dispersive stress are with metal parts 29, friction means etc. 33 (adding up to 6 groups), PC rod iron 31 and clamp nut 32 etc.; This upside stand 2 is installed in the superstructure thing 40 of upper beam etc.; This downside stand 3 is installed in infrastructure things 41 such as underbeam, ground; The 3rd fixed head 8 is fixed on upside stand 2 by high-strength bolt 18 and clamping plate 16; The 1st fixed head the 4, the 2nd fixed head 6 and buckle and prevent that plate 27 is fixed on the 3rd fixed head 8 by bolt 35 etc.; The 3rd movable platen 15 is fixed on downside stand 3 by high-strength bolt 23 and clamping plate 21; The 1st movable platen 11 and the 2nd movable platen 13 are fixed on the 3rd movable platen 15 by bolt 36 etc.; This dispersive stress is configured in to buckle with metal parts 29 and prevents on the external surface of plate 27; Insert and put that being installed in buckles 33 (adding up to 6 groups) such as this friction means respectively and prevent between plate 27 and the 1st movable platen 11, between the 1st movable platen 11 and the 1st fixed head 4 and between the 1st fixed head 4 and the 3rd movable platen 15; This PC rod iron 31 and clamp nut 32 are concentrated fastening above-mentioned parts across dispersive stress with metal parts 29.
Upside stand 2 and downside stand 3 are formed by steel, are fixed on superstructure thing 40 and infrastructure thing 41 by each PC rod iron 37 grade, are connected with the 3rd fixed head 8 in the lower end of upside stand 2, are connected with the 3rd movable platen 15 in the upper end of downside stand 3.
The 1st fixed head 4 is formed by steel, form as shown in Figure 3 with the horizontal direction is the rectangular-shaped of length direction, possess: in the horizontal direction with vertical with the circular hole 4a of certain arranged spaced with at the circular hole 4b of top along continuous straight runs with certain arranged spaced.
The 2nd fixed head 6 is formed by steel, and forming as shown in Figure 4 with the horizontal direction is the band plate-like of length direction, possesses the circular hole 6a of along continuous straight runs with certain arranged spaced.
The 3rd fixed head 8 is formed by steel, and forming as shown in Figure 5 with the horizontal direction is the band plate-like of length direction, possess along continuous straight runs with certain interval by the circular hole 8a of 2 layers of configuration up and down.
The 1st movable platen 11 is formed by steel, form as shown in Figure 6 with the horizontal direction is the rectangular-shaped of length direction, possess: in the horizontal direction with vertical with certain interval, separately along continuous straight runs extend a plurality of slotted hole 11a be provided with and the bottom along continuous straight runs with certain arranged spaced circular hole 11b.
The 2nd movable platen 13 is formed by steel, and forming as shown in Figure 7 with the horizontal direction is the band plate-like of length direction, possesses the circular hole 13a of along continuous straight runs with certain arranged spaced.
The 3rd movable platen 15 is formed by steel, form as shown in Figure 8 with the horizontal direction is the rectangular-shaped of length direction, possess: in the horizontal direction with vertical with certain interval, separately a plurality of slotted hole 15a of extend being provided with of along continuous straight runs and at the bottom along continuous straight runs with certain arranged spaced circular hole 15b of 2 layers up and down.
Buckle and prevent that plate 27 from being to be used for preventing buckling of this wall type friction damper 1, form by steel, form as shown in Figure 9 with the horizontal direction is the rectangular-shaped of length direction, possess: in the horizontal direction with vertical with the circular hole 27a of certain arranged spaced with at the circular hole 27b of top along continuous straight runs with certain arranged spaced.
Dispersive stress is to be used for making the fastening force of PC rod iron 31 and clamp nut 32 to be distributed to whole buckling to prevent plate 27 with metal parts 29, is formed by steel, forms as shown in figure 10 to overlook roughly foursquare tabularly, possesses circular hole 29a at central part.In addition,, dispersive stress made with metal parts 29 overlook roughly foursquare tabularly, but be not limited thereto, also can be other polygon, can also be circle or ellipse etc. at this.And, can also the shared dispersive stress metal parts of a plurality of secure components, in a word,, do not limit its shape etc. as long as it is irregular to prevent to be applied to the pressure distribution of Frictional Slipping face.
Friction means etc. 33 are shown in Fig. 2 (c), comprise aluminium sheet 24, sliding panel 25 and counterpart 26, they insert and put that being installed in buckles and prevent between plate 27 and the 1st movable platen 11, between the 1st movable platen 11 and the 1st fixed head 4 and between the 1st fixed head 4 and the 3rd movable platen 15, aluminium sheet 24 and counterpart 26 are close to the 1st fixed head the 4, the 1st movable platen 11 separately or are buckled and prevent plate 27.These aluminium sheets 24, sliding panel 25 and counterpart 26, forming as described later with the horizontal direction is the band plate-like of length direction.
Sliding panel 25 can adopt following formation: possess base material and plastic sliding layer, this base material is the reticulate body that comprises expanded metal or wire gauze, this plastic sliding layer is filled in the mesh of this reticulate body and is formed on the one side of this base material, this sliding layer is located at the contact surface side that contacts with matching board; And the sliding layer of this sliding panel 25 can contain TFE, obtains stable friction factor, does not worry the grating and the vibration (stick slip (stick slip)) that are easy to generate in frcition damper.
Then, with reference to Figure 11～Figure 23, the assemble method of above-mentioned wall type friction damper 1 is described.
Figure 11 is expressed as follows state: upside stand 2 is installed in superstructure thing 40, downside stand 3 is installed in infrastructure thing 41, by clamping plate 16 and high-strength bolt 18 the 3rd fixed head 8 is installed at upside stand 2, and, by fish plate 21 and high-strength bolt 23 the 3rd movable platen 15 is installed at downside stand 3, the 1st fixed head 4 is engaged (fixing) back side at the 3rd movable platen 15 temporarily.Afterwards, in the figure, the situation of the face side that each parts is installed in the 3rd movable platen 15 being assembled wall type friction damper 1 describes, and assembles too for the rear side of the 3rd movable platen 15.
From the state of Fig. 1, at first, as shown in figure 12, between adjacent each slotted hole 15a of the above-below direction of the 3rd movable platen 15, extend the temporary fixed 4 blocks of aluminium sheets 24 of mode that are provided with along continuous straight runs.
Then, as shown in figure 13, with temporary fixed 4 sliding panels 25 of the surperficial overlapping mode of aluminium sheet 24.
And, as shown in figure 14, the 1st fixed head 4 of temporary fixed overleaf 4 counterparts 26 is overlapped in the 3rd movable platen 15.At this moment, to 4 counterparts 26 and temporarily be fixed on the 3rd movable platen 15 4 sliding panels 25 (with reference to Figure 13) position, make their mutual butts.Thus, can between the 3rd movable platen 15 and the 1st fixed head 4, constitute: the combination that has illustrated among Fig. 2 (c) friction means etc. 33 of aluminium sheet 24, sliding panel 25 and counterpart 26.
Then, as shown in figure 15, surface at the 1st fixed head 4, according to the main points that illustrated among Figure 12 and Figure 13, between the adjacent circular hole 4a of the above-below direction of the 1st fixed head 4, in the mode that along continuous straight runs extend to be provided with, after temporary fixed 4 blocks of aluminium sheets 24, with temporary fixed 4 sliding panels 25 of the surperficial overlap mode of aluminium sheet 24.
Then, as shown in figure 16, below the 1st fixed head 4, engaged after the 2nd movable platen 13 temporarily, as shown in figure 17, the 1st movable platen 11 of temporary fixed overleaf 4 counterparts 26 has been overlapped in the 1st fixed head 4.At this moment, to 4 counterparts 26 and temporarily be fixed on the 1st fixed head 44 sliding panels 25 (with reference to Figure 16) position, make their mutual butts.Thus, can between the 1st fixed head 4 and the 3rd movable platen 11, constitute: the combination that has illustrated among Fig. 2 (c) friction means etc. 33 of aluminium sheet 24, sliding panel 25 and counterpart 26.
Then, as shown in figure 18, surface at the 1st movable platen 11, according to above-mentioned same main points, between adjacent each slotted hole 11a of the above-below direction of the 1st movable platen 11, in the mode that along continuous straight runs extend to be provided with, after temporary fixed 4 blocks of aluminium sheets 24, with temporary fixed 4 sliding panels 25 of the surperficial overlapping mode of aluminium sheet 24.And, as shown in figure 19, interim the 2nd fixed head 6 that engages above the 1st movable platen 11.
Then, as shown in figure 20, temporary fixed overleaf buckling of 4 counterparts 26 prevented that plate 27 is overlapped in the 1st movable platen 11.To 4 counterparts 26 and temporarily be fixed on the 1st movable platen 11 4 sliding panels 25 (with reference to Figure 19) position, make their mutual butts, at the 1st movable platen 11 with the friction means that prevented to illustrate in the pie graph 2 (c) between the plate 27 of buckling etc. 33.Under this state, as shown in figure 21, will buckle by bolt 35 prevents that plate 27 grades are fixed on the 3rd fixed head 8, by bolt 36 the 1st movable platen 11 grades is fixed on the 3rd movable platen 15.
At last, as shown in figure 22, prevent the surface of plate 27 buckling, up and down with predetermined arranged spaced dispersive stress with metal parts 29, as shown in figure 23, use PC rod iron 31 and clamp nut 32, concentrate fastening comprise dispersive stress with metal parts 29 at interior each overlapping parts, finish the assembling of wall type friction damper 1.In addition, the situation of carrying out the assembling of this wall type friction damper under the state of erectting setting is illustrated, but under the situation of assembling under the horizontal state, can assemble with following manner, described mode is: omit the temporary fixed of above-mentioned aluminium sheet 24, sliding panel 25 and counterpart 26, stack gradually aluminium sheet 24, sliding panel 25 and counterpart 26, between the 3rd movable platen 15 and the 1st fixed head 4, between the 1st fixed head 4 and the 1st movable platen 11 and the 1st movable platen 11 and buckling prevent between the plate 27, constitute friction means 33 etc.
Then, with reference to Fig. 1, Fig. 2, Figure 23 and Figure 24, the action of wall type friction damper 1 with above-mentioned formation is described.
In the normal state, wall type friction damper 1 is assembled with Fig. 1, Fig. 2 and state shown in Figure 23, and is installed in structure.Under this state, if structure is subjected to the vibration of large amplitude such as earthquake, then for example as shown in figure 24, to infrastructure thing 41 external force action F, make downside stand 3, the direction that is connected the 3rd movable platen 15 of downside stand 2 and is fastened on each parts outward force F of the 3rd movable platen 15 move.On the other hand, upside stand 2, each parts of being connected the 3rd fixed head 8 of upside stand 2 and being fastened on the 3rd fixed head 8 rest on original position.Thus, buckle prevent between plate 27 and the 1st movable platen 11, between the 1st movable platen 11 and the 1st fixed head 4 and the relative displacement that produces horizontal direction between the 1st fixed head 4 and the 3rd movable platen 15, insert and put the sliding panel 25 of friction means of being installed between each parts etc. 33 and counterpart 26 (with reference to Fig. 2 (c), adding up to 6 groups) along continuous straight runs relatively moves and Frictional Slipping, can bring into play shock-absorbing function.
Then, the test example to wall type friction damper involved in the present invention describes.In this test, use the wall type friction damper 51 shown in Figure 25.
This wall type friction damper 51 is following test damper, described test has the formation identical with above-mentioned wall type friction damper 1 with damper, integral body has the size about wide 3m * high 1m, comprises upside stand 52, downside stand the 53, the 3rd fixed head the 58, the 1st fixed head the 54, the 2nd fixed head 56, buckling prevents that plate the 77, the 3rd movable platen the 65, the 1st movable platen the 61, the 2nd movable platen 63, dispersive stress are with metal parts 79 etc.; This upside stand 52 is installed in superstructure thing (not shown); This downside stand 53 is installed in infrastructure thing (not shown); The 3rd fixed head 58 is fixed on upside stand 52 by bolt 68 and clamping plate 66; The 1st fixed head the 54, the 2nd fixed head 56 and buckle and prevent that plate 77 is fixed on the 3rd fixed head 58 by bolt 85 etc.; The 3rd movable platen 65 is fixed on downside stand 53 by bolt 73 and fish plate 71; The 1st movable platen 61 and the 2nd movable platen 63 are fixed on the 3rd movable platen 65 by bolt 86 etc.; This dispersive stress is configured in to buckle with metal parts 79 and prevents on the external surface of plate 77; Buckle prevent between plate 77 and the 1st movable platen 61, between the 1st movable platen 61 and the 1st fixed head 54 and insert and put between the 1st fixed head 54 and the 3rd movable platen 65 not shown (adding up to 6 groups) such as friction means is installed; The formation that has illustrated among the formation of this friction means etc. and Fig. 2 (c) is identical.In addition, as across the fastening unit 81,82 of dispersive stress with metal parts 79 concentrated fastening above-mentioned each parts, use hex bolts or PC rod iron and clamp nut, each personal predetermined torque is fastening.
Figure 26 shows following result: as a comparative example 1,10.9 grades of hex boltss that use M30 are as fastening unit 81, the nut that uses a kind and 3 kinds is as fastening unit 82, by fastening two nuts of torque to be scheduled to, be in the Frictional Slipping face and keep predetermined stressed state, between upside stand 52 and downside stand 53, apply various vibrations, measure the frictional resistance of each wall type friction damper 51, confirmed speed interdependence up to about 15kine by test.According to this figure, the result is as follows: at the velocity band of 0.1～3.0kine, resistance (kN) shows the tendency that increases along with the increase of test speed, and deviation is big and reproducibility is poor.Thus, distinguish: comprise that the 10.9 grades of hex boltss of M30 and the fastening unit 81,82 of nut can not fully maintain the stressed state that the Frictional Slipping face has kept regulation, the variation of axial force is big.
Figure 27 shows following result: as a comparative example 2,8.8 grades of hex boltss that use M30 are as fastening unit 81, the nut that uses a kind and 3 kinds is as fastening unit 82, by fastening two nuts of torque to be scheduled to, be in the Frictional Slipping face and kept predetermined stressed state, between upside stand 52 and downside stand 53, apply various vibrations, measure the frictional resistance of each wall type friction damper 51, same with comparative example 1, confirmed speed interdependence up to about 15kine by test.In addition, black circle among the figure and white circle are for going through each on the same day data not of carrying out test in 2 days some other day.According to this figure, same with comparative example 1, the result is as follows: big and reproducibility is poor in the deviation of the resistance (kN) of the velocity band of 0.1～3.0kine.Thus, distinguish: comprise that the 8.8 grades of hex boltss of M30 and the fastening unit 81,82 of nut can not fully maintain the stressed state that the Frictional Slipping face has kept regulation, the variation of axial force is big.
Figure 28 shows following result: as embodiment, the PC rod iron that is nominally M30 (nominal diameter of rod iron (exhaling the び name) 29mm) of use screw thread and clamp nut are as fastening unit 81,82, by the fastening clamp nut of torque to be scheduled to, be in the Frictional Slipping face and kept predetermined stressed state, between upside stand 52 and downside stand 53, apply various vibrations, measure the frictional resistance of each wall type friction damper 51, same with comparative example 1 and comparative example 2, confirmed speed dependence up to about 15kine by test.In addition, black circle among the figure and white circle are for going through each on the same day data not of carrying out test in 2 days some other day.According to this figure, distinguish: compare with comparative example 1,2, little in the deviation of the resistance (kN) of the velocity band of 0.1～3.0kine, show stable properties.Thus, distinguish: comprise the fastening unit 81,82 of PC rod iron and clamp nut by use, can fully maintain the stressed state that the Frictional Slipping face keeps regulation, and, make this fastening unit reduce the variation (stressed variation) of axial force.
Then, with reference to Figure 29, loose experimental result is described.In this test, use 10.9 grades of hex boltss and the above-mentioned PC rod iron of above-mentioned wall type friction damper 51, above-mentioned M30, with pre-determined torque fastening after each, place, measure the variation of elapsed time and axial force.In addition, the value of the axial force that has imported for measure according to the deflection before fastening the result and fastening after deflection measure the value that result's value calculates.In the figure, (A) variation of the bolt axial force that is accompanied by effluxion under the situation of PC rod iron has been used in expression, (B) variation of the bolt axial force that is accompanied by effluxion under the situation of hex bolts has been used in expression, and (C) expression makes the variation of unit temp.
According to this figure, the axial force of distinguishing each bolt increases and decreases repeatedly in the mode of the increase and decrease of hunting gear temperature, but if relatively (A) and (B) then distinguishes: with respect to the axial force amplitude of fluctuation of (B), and (A) the just variation of its each day and long-term variation two Fang Douxiao.For example, if compare the maximum value and the minimum value of the bolt axial force during measuring 4510 hours, then distinguish: the axial force that (B) shows 18.0kN～33.7kN changes, relative therewith, (A) axial force that shows 8.7～12.2kN changes, arrive half degree less, even because temperature causes the change in size of thickness direction of each plate member of this wall type friction damper, length direction used load to fastening unit, with regard to the ability that absorbs this variation, the PC rod iron is also than 10.9 grades of hex bolts excellences.In other words, we can say that PC rod iron one side is excellent on the stability of bolt axial force, according to this characteristic, even special mechanism such as disc spring is not applied load, also can provide the stability of the frictional resistance in each experimental result of above-mentioned speed interdependence by the combination of PC rod iron and clamp nut.
Claims (8)
1. wall type friction damper is characterized in that possessing:
Movable platen, its have in the horizontal direction with vertical with predetermined interval, along continuous straight runs extends a plurality of slotted holes that are provided with separately, erect along vertical from lower member to be provided with;
Fixed head, its have perforation be arranged on relative with the slotted hole position that is disposed at described movable platen to a plurality of circular holes of position, from upper-part along the vertical setting of hanging down;
Friction means, it is configured to comprise sliding part and counterpart by described movable platen and described fixed head clamping; With
Secure component, it comprises PC rod iron and clamp nut, fastening described movable platen and described fixed head; This PC rod iron connects: be arranged on each of a plurality of slotted holes of described movable platen, with relative with this each slotted hole to perforation be arranged on each of circular hole of described movable platen; Each threads engage of this clamp nut and this PC rod iron;
Because relative deformation, the sliding part of described friction means and the counterpart Frictional Slipping of the horizontal direction of described lower member and described upper-part.
2. wall type friction damper is characterized in that possessing:
Movable platen, its have in the horizontal direction with vertical with predetermined interval, along continuous straight runs extends a plurality of slotted holes that are provided with separately, from upper-part along the vertical setting of hanging down;
Fixed head, its have perforation be arranged on relative with the slotted hole position that is disposed at described movable platen to a plurality of circular holes of position, erect along vertical from lower member and to be provided with;
Friction means, it is configured to comprise sliding part and counterpart by described movable platen and described fixed head clamping; With
Secure component, it comprises PC rod iron and clamp nut, fastening described movable platen and described fixed head; This PC rod iron connects: be arranged on each of a plurality of slotted holes of described movable platen, with relative with this each slotted hole to perforation be arranged on each of circular hole of described movable platen; Each threads engage of this clamp nut and this PC rod iron;
Because relative deformation, the sliding part of described friction means and the counterpart Frictional Slipping of the horizontal direction of described lower member and described upper-part.
3. wall type friction damper according to claim 1 and 2 is characterized in that,
Possess at least one described movable platen and put 1 described fixed head than this movable platen polygamy, between each adjacent described movable platen and described fixed head, possess the friction means that comprises described sliding part and counterpart in the mode of this movable platen of clamping.
4. according to claim 1,2 or 3 described wall type friction dampers, it is characterized in that,
Described secure component structure also possesses tabular dispersive stress metal parts, this tabular dispersive stress have the hole that described PC rod iron connects with metal parts and be configured in described clamp nut and described fixed head between.
5. according to each described wall type friction damper in the claim 1～4, it is characterized in that,
In the described friction means, described sliding part is close to any one party in described movable platen side and the described fixed head side across aluminium sheet, and described counterpart is close to any the opposing party in described movable platen side and the described fixed head side.
6. according to each described wall type friction damper in the claim 1～5, it is characterized in that each zone between 2 adjacent on vertical slotted holes not at described movable platen disposes described friction means in the horizontal direction continuously.
7. according to each described wall type friction damper in the claim 1～6, it is characterized in that,
The sliding part of described friction means possesses:
Base material, it is the reticulate body that comprises expanded metal or wire gauze; With
Plastic sliding layer, it is filled in the mesh of this reticulate body, and is formed on the one side of this base material,
This sliding layer is configured in the contact surface side that contacts with described matching board.
8. wall type friction damper according to claim 7 is characterized in that,
Described sliding layer contains TFE.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510184339.6A CN104847031B (en) | 2007-12-13 | 2008-11-20 | Wall type friction damper |
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| Application Number | Priority Date | Filing Date | Title |
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| JP321513/2007 | 2007-12-13 | ||
| JP2007321513 | 2007-12-13 | ||
| PCT/JP2008/071092 WO2009075175A1 (en) | 2007-12-13 | 2008-11-20 | Wall type friction damper |
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| CN201510184339.6A Division CN104847031B (en) | 2007-12-13 | 2008-11-20 | Wall type friction damper |
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| JP (1) | JP5406042B2 (en) |
| CN (2) | CN101896674A (en) |
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| CN104196145A (en) * | 2014-09-01 | 2014-12-10 | 中建三局集团有限公司 | Energy-dissipation and shock-absorption damper component of earthquake-resistant building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2756996B2 (en) * | 1989-02-07 | 1998-05-25 | 株式会社竹中工務店 | High-strength bolt damper for vibration control |
| JP3297413B2 (en) * | 1999-11-02 | 2002-07-02 | オリエンタル建設株式会社 | Damping frame with friction damping mechanism |
| JP4496788B2 (en) * | 2004-01-23 | 2010-07-07 | オイレス工業株式会社 | Friction damper |
| JP2006241934A (en) * | 2005-03-07 | 2006-09-14 | Ohbayashi Corp | Damper device |
| JP4844925B2 (en) * | 2006-03-16 | 2011-12-28 | 清水建設株式会社 | Damping damper |
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2008
- 2008-11-20 CN CN2008801207327A patent/CN101896674A/en active Pending
- 2008-11-20 WO PCT/JP2008/071092 patent/WO2009075175A1/en active Application Filing
- 2008-11-20 JP JP2009545378A patent/JP5406042B2/en active Active
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| CN105164351A (en) * | 2013-09-25 | 2015-12-16 | 理想制导株式会社 | Seismic damping wall structure |
| CN104196145A (en) * | 2014-09-01 | 2014-12-10 | 中建三局集团有限公司 | Energy-dissipation and shock-absorption damper component of earthquake-resistant building |
| CN104631647A (en) * | 2015-01-19 | 2015-05-20 | 江苏沪宁钢机股份有限公司 | High-rise damping device |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2009075175A1 (en) | 2011-04-28 |
| TWI444541B (en) | 2014-07-11 |
| JP5406042B2 (en) | 2014-02-05 |
| CN104847031B (en) | 2017-09-29 |
| WO2009075175A1 (en) | 2009-06-18 |
| TW200936909A (en) | 2009-09-01 |
| CN104847031A (en) | 2015-08-19 |
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Application publication date: 20101124 |