CN104847031A - Wall type friction damper - Google Patents
Wall type friction damper Download PDFInfo
- Publication number
- CN104847031A CN104847031A CN201510184339.6A CN201510184339A CN104847031A CN 104847031 A CN104847031 A CN 104847031A CN 201510184339 A CN201510184339 A CN 201510184339A CN 104847031 A CN104847031 A CN 104847031A
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- China
- Prior art keywords
- steel plate
- wall type
- horizontal direction
- movable steel
- type friction
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Classifications
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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
Abstract
The invention provides a wall type friction damper including movable steel plates, fixed steel plates, friction members, and fastening members, the friction members are sandwiched between the movable steel plates and the fixed steel plates and consist of slip materials and mating materials, the fastening members consists of PC steel rods and nuts to fasten the movable steel plates and the fixed steel plates. The PC steel rods penetrate the long holes provided in the movable plates and the round holes prepared in the fixed plates so as to face the long holes. The nuts are jointed with the threads of the PC steel rods. Because of the relative deformation of a lower part and an upper part in the horizontal direction, the slip materials and the mating materials perform frictional sliding. The friction members are arranged at the area between two adjacent long holes in the vertical direction of the movable steel plates and are continously arranged in the horizontal direction. The fastening members are further provided with holes penetrated by the PC steel rods and flat-plate stress dispersed metal components between the fastening nuts and the fixed steel plates.
Description
The application is the applying date is on November 20th, 2008, application number is 200880120732.7, invention and created name is: the divisional application of the Chinese patent application of " wall type friction damper ".
Technical field
The present invention relates to wall type friction damper (damper), particularly relate to following wall type friction damper: be arranged between underbeam, pass through frictional attenuation, absorb the displacement energy of the Relative Displacement of the horizontal direction produced between the upper underbeam of each layer of building construction especially high-rise building due to the external disturbance of earthquake or wind etc., reduce fast and rock.
Background technology
In the past, in order to rapid decay high-rise building caused by earthquake and/or wind rock, as the damping device for High-level Construction thing, be provided with: make use of the viscous damping device of viscoid, employ the viscoelastic damping device of high decay rubber etc., make use of the plastoelastic damping unit of steel and/or employ the friction damping device etc. of friction material.
Such as, Patent Document 1 discloses the shock-damping structure of following attenuated inside type: improving the damping capacity of middle level, high level, super high rise building and/or tower-like structure, when improving seismic safety energy, between the levels of multi-layer structure material, configure damping unit.Specifically, show following shock-damping structure: mainly as the building method of shatter-proof, resistive safety improving high-rise building, in the cage construction of the oblique tube comprising post, beam or pillar (brace) etc. etc., and with various energy absorbing devices such as steel damper and viscous dampers.
In addition, Patent Document 2 discloses following frcition damper: there is cartridge type and adopt synthetic resin make slide plane and by bolt fastening to rubbing surface pressurization formation, form with simple the stripping reducing wearing and tearing and sliding layer as much as possible, damping characteristic steady in a long-term can be obtained.
In patent document 3, following frcition damper is proposed: in order to when forming the sliding panel of frcition damper and the slide plane of friction plate creates wearing and tearing, also simple structure is made, suppress the reduction of frictional force between the two, maintain initial vibration damping power, setting dish spring assembly, the setting contact putting on coil spring assemblies is set to: in the deflection deformation relative to coil spring assemblies, works in the non-linear resilient region that the variation of elastic force diminishes.
Patent document 1: Japanese Unexamined Patent Publication 11-343755 publication
Patent document 2: Japanese Unexamined Patent Publication 2003-278828 publication
Patent document 3: Japanese Unexamined Patent Publication 11-269984 publication
Summary of the invention
But, when the frcition damper disclosed in patent document 2 is applied towards structure, imagination in the same manner as strut member by situation that it is along inclined direction arranged relative to building, for the external force of horizontal direction, frcition damper only can give play to the resistance only having component part, directly can not effectively utilize the Relative Displacement amount of the horizontal direction produced between the upper underbeam of each layer of high-rise building.
In addition, the frcition damper recorded in patent document 3: in order in the deflection deformation relative to disc spring, work in the non-linear resilient region that the variation of elastic force diminishes, must manage installment state, in addition, device self also likely becomes large.
Therefore, the present invention is in view of above-mentioned problem is in the past made, there is provided a kind of following wall type friction damper: the displacement of the horizontal direction that can directly utilize the external disturbance due to earthquake and/or wind etc. to produce at the upper underbeam etc. of each layer of high-rise building, also can suppress the stressed reduction applied to rubbing surface by simple structure, and then initial friction damping force can be maintained.
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 steel plate, fixation steel plate, friction means and secure component; This movable steel plate has multiple elongated holes extended in the horizontal direction separately at predetermined intervals with vertical in the horizontal direction, erects arrange from lower component along vertical; This fixation steel plate has perforation and is arranged on multiple circular holes of the position corresponding with the elongated hole position being configured at above-mentioned movable steel plate, to hang down setting from upper-part along vertical; This friction means is configured to be clamped by above-mentioned movable steel plate and above-mentioned fixation steel plate, comprises sliding part and counterpart; This secure component comprises PC rod iron and nut, fastening above-mentioned movable steel plate and above-mentioned fixation steel plate; This PC rod iron is through: be arranged on each of multiple elongated holes of above-mentioned movable steel plate, and the perforation relative with this each elongated hole is arranged on the circular hole of above-mentioned fixation steel plate each; Each of this nut and this PC rod iron is threadedly engaged; Due to the relative deformation of the horizontal direction of above-mentioned lower component and above-mentioned upper-part, make sliding part and the counterpart Frictional Slipping of above-mentioned friction means.
And, according to wall type friction damper involved in the present invention, the relative deformation of the horizontal direction produced between upper and lower parts can be utilized, therefore, effectively can use the space between upper and lower parts, compared with situation in the past, rubbing surface can be utilized larger significantly, the frictional damping that structure is large can be given.In addition, the compressive force applying unit of compressive force is applied as the rubbing surface carrying out Frictional Slipping to utilizing the Relative Displacement of the horizontal direction of upper and lower parts, use PC copper rod and clamp nut, thus, the impact of the impact of temperature during Frictional Slipping and/or environment temperature and reproducibility, compared with the fastening unit of the realization by hex bolts such as 10.9 grades or 8.8 grades, become good, can obtain compressive force steady in a long-term, its result, can guarantee the stability of frcition damper performance.And, by using PC rod iron, not using disc spring etc., also can reduce the change of the fastening force of initial setting, can realize providing the frcition damper of stable frictional damping.
In addition, the present invention is a kind of wall type friction damper, it is characterized in that, possesses movable steel plate, fixation steel plate, friction means and secure component; This movable steel plate have in the horizontal direction with vertical at predetermined intervals, separately extended in the horizontal direction multiple elongated holes, to hang down setting along vertical from upper-part; This fixation steel plate has multiple circular holes that perforation is arranged on the position corresponding with the elongated hole position being configured at above-mentioned movable steel plate, erects arrange from lower component along vertical; This friction means is configured to be clamped by above-mentioned movable steel plate and above-mentioned fixation steel plate, comprises sliding part and counterpart; This secure component comprises PC rod iron and nut, fastening above-mentioned movable steel plate and above-mentioned fixed head; This PC rod iron is through: be arranged on each of multiple elongated holes of above-mentioned movable steel plate, and the perforation relative with this each elongated hole is arranged on the circular hole of above-mentioned fixation steel plate each; Each of this nut and this PC rod iron is threadedly engaged; Due to the relative deformation of the horizontal direction of above-mentioned lower component and above-mentioned upper-part, make sliding part and the counterpart Frictional Slipping of above-mentioned friction means.According to the present invention, in the same manner as foregoing invention, rubbing surface can be utilized larger, can give the frictional damping that structure is large, and impact and the reproducibility of the impact of temperature during Frictional Slipping or environment temperature 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 block of above-mentioned movable steel plate and put the above-mentioned fixation steel plate of 1 piece in the mode clamping this movable steel plate than this movable steel plate polygamy, each between adjacent above-mentioned movable steel plate and above-mentioned fixation steel plate possesses the friction means comprising above-mentioned sliding part and counterpart.Thus, Frictional Slipping face can be obtained on the surface back side two sides of movable steel plate, and, by the movable steel plate of configuration polylith, effectively frictional force can be obtained.
In above-mentioned wall type friction damper, above-mentioned secure component can be configured to: also possess the tabular dispersive stress metal parts with the through hole of above-mentioned PC rod iron, this tabular dispersive stress metal parts is configured between above-mentioned clamp nut and above-mentioned fixed head.Adopt this formation, the fastening force produced by secure component can be disperseed, the pressure distribution being applied to Frictional Slipping face can be prevented uneven, its result, the rising of the local pressure applied to sliding panel can be prevented, the excessive wearing and tearing of sliding part can be prevented, frictional damping steady in a long-term can be obtained.Above-mentioned tabular dispersive stress metal parts, overlooking can be both the polygon of quadrangle etc., also can be circular or oval etc., as long as can prevent the pressure distribution inequality being applied to Frictional Slipping face, not limit its shape.
In above-mentioned wall type friction damper, above-mentioned friction means can be configured to: above-mentioned sliding part is close to any one party of above-mentioned movable steel plate side or above-mentioned fixation steel plate side across aluminium sheet, any the opposing party of above-mentioned movable steel plate side or above-mentioned fixation steel plate side is close to by above-mentioned counterpart.According to this formation; utilize the flexibility of aluminium sheet; can prevent from sliding panel from departing from from the position of movable steel plate or fixation steel plate to contact with movable steel plate or the unbalanced of fixation steel plate with sliding panel; therefore; uniform pressure can be applied to friction means, the reliable slip between sliding panel face and matching board face can be guaranteed.
In above-mentioned wall type friction damper, can each of region between 2 elongated holes adjacent in vertical of above-mentioned movable steel plate, configure above-mentioned friction means continuously in the horizontal direction.Thus, according to the necessity of the inspection of friction means, maintenance or replacing etc., as long as unclamp clamp nut, just can unload friction means, easily can carry out the maintenance management of job site.
In above-mentioned wall type friction damper, the sliding part of above-mentioned friction means can be configured to: possess base material and plastic sliding layer; This base material is the reticulate body comprising expanded metal (expanded metal) or wire gauze; This plastic sliding layer is filled in the mesh of this reticulate body, and is formed in the one side of this base material; This sliding layer is configured in the contact surface side contacted with above-mentioned counterpart.
In addition, in above-mentioned wall type friction damper, can above-mentioned sliding layer be configured to containing TFE, guarantee stable friction factor, the worry of grating and/or the vibration (stick slip (stick slip)) easily produced in frcition damper can be got rid of.
As described above, according to wall type friction damper involved in the present invention, directly can utilize the displacement of the horizontal direction produced at the upper underbeam of each layer of high-rise building etc. due to earthquake etc., use simple structure, also can suppress the stressed reduction applied to rubbing surface, initial friction damping force can be maintained.
Accompanying drawing explanation
Fig. 1 is the figure of the embodiment representing wall type friction damper involved in the present invention, and (a) is assembling front view, and (b) is assembling side elevation.
Fig. 2 (a) represents the enlarged drawing between the upside stand of Fig. 1 (b) and downside stand, the B portion enlarged drawing that (b) is Fig. 1 (a), and (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 representing Fig. 1, and (a) is front view, and (b) is lateral view.
Fig. 4 is the figure of the 2nd fixed head of the wall type friction damper representing Fig. 1, and (a) is front view, and (b) is lateral view.
Fig. 5 is the figure of the 3rd fixed head of the wall type friction damper representing Fig. 1, and (a) is front view, and (b) is lateral view.
Fig. 6 is the figure of the 1st movable platen of the wall type friction damper representing Fig. 1, and (a) is front view, and (b) is lateral view.
Fig. 7 is the figure of the 2nd movable platen of the wall type friction damper representing Fig. 1, and (a) is front view, and (b) is lateral view.
Fig. 8 is the figure of the 3rd movable platen of the wall type friction damper representing Fig. 1, and (a) is front view, and (b) is lateral view.
Fig. 9 is the figure of the preventing board of buckling of the wall type friction damper representing Fig. 1, and (a) is front view, and (b) is lateral view.
Figure 10 is the figure of the dispersive stress metal parts of the wall type friction damper representing Fig. 1, and (a) is front view, and (b) is lateral view.
Figure 11 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 12 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 13 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 14 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 15 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 16 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 17 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 18 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 19 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 20 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 21 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 22 is the stereogram of the assemble method of wall type friction damper for illustration of Fig. 1.
Figure 23 is the stereogram of assemble method for illustration of the wall type friction damper of Fig. 1 and action.
Figure 24 is the stereogram of the action of wall type friction damper for illustration of Fig. 1.
Figure 25 is the damper representing that the test of wall type friction damper involved in the present invention is used, and (a) is assembling front view, and (b) is assembling side elevation.
Figure 26 represents in wall type friction damper involved in the present invention, employs the figure of 10.9 grades of hex boltss of M30 as speed interdependence experimental data when fastening unit.
Figure 27 represents in wall type friction damper involved in the present invention, employs the figure of 8.8 grades of hex boltss of M30 as speed interdependence experimental data when fastening unit.
Figure 28 be represent in wall type friction damper involved in the present invention, the figure of speed interdependence experimental data when employing the PC rod iron of M30.
Figure 29 is the figure of loose (relaxation) result of the test represented at wall type friction damper involved in the present invention.
Description of reference numerals:
1: wall type friction damper; 2: upside stand; 3: 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: elongated hole; 11b: circular hole; 13: the 2 movable platens; 13a: circular hole; 15: the 3 movable platens; 15a: elongated 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: preventing board of buckling (buckling preventing board); 27a: circular hole; 27b: circular hole; 29: 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; 37:PC rod iron; 40: superstructure thing; 41: infrastructure thing; 51: wall type friction damper; 52: upside stand; 53: 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: preventing board of buckling; 79: dispersive stress metal parts; 81: fastening unit (hex bolts or PC rod iron); 82: fastening unit (nut or clamp nut); 85: bolt; 86: bolt.
Detailed description of the invention
Then, with reference to accompanying drawing, embodiments of the present invention are described.
Fig. 1 and Fig. 2 represents 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 3, the 3rd fixed head 8, the 1st fixed head 4, the 2nd fixed head 6, preventing board of buckling 27, the 3rd movable platen 15, the 1st movable platen 11, the 2nd movable platen 13, dispersive stress metal parts 29, friction means etc. 33 (adding up to 6 groups), PC rod iron 31 and clamp nut 32 etc.; On the upside of this, stand 2 is arranged on the superstructure thing 40 of upper beam etc.; On the downside of this, stand 3 is arranged on the infrastructure such as underbeam, ground thing 41; 3rd fixed head 8 is fixed on upside stand 2 by high-strength bolt 18 and clamping plate 16; 1st fixed head 4, the 2nd fixed head 6 and preventing board 27 of buckling are fixed on the 3rd fixed head 8 by bolt 35 etc.; 3rd movable platen 15 is fixed on downside stand 3 by high-strength bolt 23 and clamping plate 21; 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 metal parts 29 is configured in buckles on the external surface of preventing board 27; 33 (the adding up to 6 groups) such as this friction means, sandwiched being arranged on was buckled between preventing board 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 respectively; This PC rod iron 31 and clamp nut 32 concentrate fastening above-mentioned parts across dispersive stress metal parts 29.
Upside stand 2 and downside stand 3 are formed by steel, be fixed on superstructure thing 40 and infrastructure thing 41, be connected with the 3rd fixed head 8, be connected with the 3rd movable platen 15 in the upper end of downside stand 3 in the lower end of upside stand 2 by each PC rod iron 37 etc.
1st fixed head 4 is formed by steel, be formed as shown in Figure 3 taking horizontal direction as the rectangular-shaped of length direction, possess: the circular hole 4a configured at certain intervals with vertical in the horizontal direction, and the circular hole 4b configured at certain intervals in the horizontal direction on top.
2nd fixed head 6 is formed by steel, and being formed as shown in Figure 4 take horizontal direction as the band plate-like of length direction, possesses the circular hole 6a configured at certain intervals in the horizontal direction.
3rd fixed head 8 is formed by steel, and being formed as shown in Figure 5 take horizontal direction as the band plate-like of length direction, possesses in the horizontal direction at certain intervals by the circular hole 8a of upper and lower 2 layers of configuration.
1st movable platen 11 is formed by steel, be formed as shown in Figure 6 taking horizontal direction as the rectangular-shaped of length direction, possess: in the horizontal direction with vertical at certain intervals, separately extended in the horizontal direction multiple elongated hole 11a, and the circular hole 11b be configured with at certain intervals in the horizontal direction in bottom.
2nd movable platen 13 is formed by steel, and being formed as shown in Figure 7 take horizontal direction as the band plate-like of length direction, possesses the circular hole 13a configured at certain intervals in the horizontal direction.
3rd movable platen 15 is formed by steel, be formed as shown in Figure 8 taking horizontal direction as the rectangular-shaped of length direction, possess: in the horizontal direction with vertical at certain intervals, separately extended in the horizontal direction multiple elongated hole 15a, and configure the circular hole 15b of upper and lower 2 layers in the horizontal direction at certain intervals in bottom.
Preventing board of buckling 27 is used to prevent buckling of this wall type friction damper 1, formed by steel, be formed as shown in Figure 9 taking horizontal direction as the rectangular-shaped of length direction, possess: the circular hole 27a configured at certain intervals with vertical in the horizontal direction, and the circular hole 27b configured at certain intervals in the horizontal direction on top.
Dispersive stress metal parts 29 is used to make the fastening force of PC rod iron 31 and clamp nut 32 to be distributed to whole preventing board 27 of buckling, and is formed, be formed as overlooking roughly foursquare tabular as shown in Figure 10, possess circular hole 29a at central part by steel.In addition, at this, being made by dispersive stress metal parts 29 and overlook roughly foursquare tabular, but be not limited thereto, also can be other polygon, can also be circular or oval etc.And, a dispersive stress metal parts can also be shared by multiple secure component, in a word, as long as the pressure distribution being applied to Frictional Slipping face can be prevented irregular, not limit its shape etc.
Friction means etc. 33 are as shown in Fig. 2 (c), comprise aluminium sheet 24, sliding panel 25 and counterpart 26, their sandwiched being arranged on are buckled between preventing board 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, and aluminium sheet 24 and counterpart 26 are close to the 1st fixed head 4, the 1st movable platen 11 or preventing board 27 of buckling separately.These aluminium sheets 24, sliding panel 25 and counterpart 26, being formed as aftermentioned take horizontal direction as the band plate-like of length direction.
Aluminium sheet 24 prevents sliding panel 25 from departing from from the position of movable platen 11,15 or fixed head 4,8 by its flexibility, prevent sliding panel 25 from contacting with from movable platen 11,15 or the unbalanced of fixed head 4,8, uniform pressure can be applied to friction means (sliding panel 25 and counterpart 26).
Sliding panel 25 can adopt following formation: possess base material and plastic sliding layer, this base material is the reticulate body comprising expanded metal or wire gauze, this plastic sliding layer to be filled in the mesh of this reticulate body and to be formed in the one side of this base material, this sliding layer is located at the contact surface side contacted with matching board; And the sliding layer of this sliding panel 25 can contain TFE, obtains stable friction factor, do not worry grating and the vibration (stick slip (stick slip)) of easily generation in frcition damper.
Counterpart 26 is formed by stainless steel steel, forms friction means together with sliding panel 25, and the frictional force produced by the Relative Displacement of the horizontal direction by itself and sliding panel 25, absorbs the energy being applied to wall type friction damper 1 by earthquake etc.
PC rod iron 31 and clamp nut 32, it is provided for fastening preventing board 27 of buckling in the sectional view that dispersive stress metal parts 29 is shown in fig. 2, from the left and right sides, and the frictional force between sliding panel 25 and counterpart 26 is worked; By the fastening force of adjustment PC rod iron 31, the change in friction force between sliding panel 25 and counterpart 26 can be made.When significantly changing this fastening force, the radical of changeable PC rod iron.
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 arranged on superstructure thing 40, downside stand 3 is arranged on 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 face side each parts being arranged on the 3rd movable platen 15 is described to the situation of assembling wall type friction damper 1, and the rear side of the 3rd movable platen 15 is assembled too.
From the state of Figure 11, first, as shown in figure 12, between each elongated hole 15a that the above-below direction of the 3rd movable platen 15 is adjacent, with the temporary fixed 4 blocks of aluminium sheets 24 of mode extended in the horizontal direction.
Then, as shown in figure 13, with the temporary fixed 4 pieces of sliding panels 25 of the mode overlapping with the surface of aluminium sheet 24.
And, as shown in figure 14, the 1st fixed head 4 of temporary fixed overleaf 4 pieces of counterparts 26 is overlapped in the 3rd movable platen 15.Now, 4 pieces of counterparts 26 and 4 pieces of sliding panels 25 (with reference to Figure 13) of being temporarily fixed on the 3rd movable platen 15 are positioned, makes them mutually abut.Thus, can form between the 3rd movable platen 15 and the 1st fixed head 4: what illustrated in Fig. 2 (c) is combined with friction means of aluminium sheet 24, sliding panel 25 and counterpart 26 etc. 33.
Then, as shown in figure 15, on the surface of the 1st fixed head 4, according to the main points described in Figure 12 and Figure 13, between the circular hole 4a that the above-below direction of the 1st fixed head 4 is adjacent, in mode extended in the horizontal direction, after temporary fixed 4 blocks of aluminium sheets 24, with 4 piece sliding panels 25 temporary fixed with the surperficial overlap mode of aluminium sheet 24.
Then, as shown in figure 16, after the below of the 1st fixed head 4 engages the 2nd movable platen 13 temporarily, as shown in figure 17, the 1st movable platen 11 of temporary fixed overleaf 4 pieces of counterparts 26 is overlapped in the 1st fixed head 4.Now, 4 pieces of counterparts 26 and 4 pieces of sliding panels 25 (with reference to Figure 16) of being temporarily fixed on the 1st fixed head 4 are positioned, makes them mutually abut.Thus, can form between the 1st fixed head 4 and the 3rd movable platen 11: what illustrated in Fig. 2 (c) is combined with friction means of aluminium sheet 24, sliding panel 25 and counterpart 26 etc. 33.
Then, as shown in figure 18, on the surface of the 1st movable platen 11, according to above-mentioned same main points, between each elongated hole 11a that the above-below direction of the 1st movable platen 11 is adjacent, in mode extended in the horizontal direction, after temporary fixed 4 blocks of aluminium sheets 24, with the temporary fixed 4 pieces of sliding panels 25 of the mode overlapping with the surface of aluminium sheet 24.And, as shown in figure 19, interim joint the 2nd fixed head 6 above the 1st movable platen 11.
Then, as shown in figure 20, the preventing board 27 of buckling of temporary fixed overleaf 4 pieces of counterparts 26 is overlapped in the 1st movable platen 11.4 pieces of counterparts 26 and 4 pieces of sliding panels 25 (with reference to Figure 19) of being temporarily fixed on the 1st movable platen 11 are positioned, them are made mutually to abut, at friction means that the 1st movable platen 11 and buckling has illustrated in pie graph 2 (c) between preventing board 27 etc. 33.In this condition, as shown in figure 21, be fixed on the 3rd fixed head 8 by bolt 35 preventing board 27 etc. of buckling, by bolt 36, the 1st movable platen 11 etc. be fixed on the 3rd movable platen 15.
Finally, as shown in figure 22, on the surface of buckling preventing board 27, configuring dispersive stress metal parts 29 at predetermined intervals up and down, as shown in figure 23, use PC rod iron 31 and clamp nut 32, concentrate the fastening each parts that overlap comprising dispersive stress metal parts 29, complete 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 erectting setting is illustrated, but when carrying out assembling under horizontal state, can assemble by 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 buckle between preventing board 27, form friction means 33 etc.
Then, with reference to Fig. 1, Fig. 2, Figure 23 and Figure 24, the action of the wall type friction damper 1 with above-mentioned formation is described.
In the normal state, wall type friction damper 1 with the state assembling shown in Fig. 1, Fig. 2 and Figure 23, and is arranged on structure.In this condition, if structure is subject to the vibration of the large amplitudes such as earthquake, then such as shown in figure 24, to infrastructure thing 41 external force action F, the direction of the 3rd movable platen 15 and each parts outward force F of being fastened on the 3rd movable platen 15 that make downside stand 3, are connected to downside stand 2 is moved.On the other hand, upside stand 2, the 3rd fixed head 8 being connected to upside stand 2 and each parts of being fastened on the 3rd fixed head 8 rest on original position.Thus, buckling between preventing board 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, producing the Relative Displacement of horizontal direction, sandwiched be arranged on friction means between all parts etc. 33 sliding panel 25 and counterpart 26 (with reference to Fig. 2 (c), add up to 6 groups) relative movement and Frictional Slipping in the horizontal direction, can shock-absorbing function be played.
Then, the test example of wall type friction damper involved in the present invention is described.In this experiment, the wall type friction damper 51 shown in Figure 25 is used.
This wall type friction damper 51 is following test damper, described test damper has the formation identical with above-mentioned wall type friction damper 1, entirety has the size of wide 3m × high about 1m, comprises upside stand 52, downside stand 53, the 3rd fixed head 58, the 1st fixed head 54, the 2nd fixed head 56, preventing board of buckling 77, the 3rd movable platen 65, the 1st movable platen 61, the 2nd movable platen 63, dispersive stress metal parts 79 etc.; On the upside of this, stand 52 is arranged on superstructure thing (not shown); On the downside of this, stand 53 is arranged on infrastructure thing (not shown); 3rd fixed head 58 is fixed on upside stand 52 by bolt 68 and clamping plate 66; 1st fixed head 54, the 2nd fixed head 56 and preventing board 77 of buckling are fixed on the 3rd fixed head 58 by bolt 85 etc.; 3rd movable platen 65 is fixed on downside stand 53 by bolt 73 and fish plate 71; 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 metal parts 79 is configured in buckles on the external surface of preventing board 77; To buckle between preventing board 77 and the 1st movable platen 61, between the 1st movable platen 61 and the 1st fixed head 54 and sandwichedly between the 1st fixed head 54 and the 3rd movable platen 65 to be provided with (adding up to 6 groups) such as not shown friction means; The formation of this friction means etc. is identical with the formation illustrated in Fig. 2 (c).In addition, as the fastening unit 81,82 concentrating fastening above-mentioned each parts across dispersive stress metal parts 79, use hex bolts or PC rod iron and clamp nut, each personal predetermined torque is fastening.
Figure 26 shows following result: as comparative example 1, use 10.9 grades of hex boltss of M30 as fastening unit 81, use the nut of a kind and 3 kinds as fastening unit 82, by with fastening two nuts of predetermined torque, be in the stressed state that Frictional Slipping face keeps predetermined, between upside stand 52 and downside stand 53, apply various vibration, measure the frictional resistance of each wall type friction damper 51, confirmed until the speed interdependence of about 15kine by test.According to this figure, result is as follows: at the velocity band of 0.1 ~ 3.0kine, and resistance (kN) shows the tendency increased along with the increase of test speed, and deviation is large and reproducibility is poor.Thus, distinguish: the fastening unit 81,82 of the 10.9 grades of hex boltss and nut that comprise M30 fully can not maintain the stressed state that Frictional Slipping face maintains regulation, and the change of axial force is large.
Figure 27 shows following result: as comparative example 2, use 8.8 grades of hex boltss of M30 as fastening unit 81, use the nut of a kind and 3 kinds as fastening unit 82, by with fastening two nuts of predetermined torque, be in Frictional Slipping face and maintain predetermined stressed state, various vibration is applied between upside stand 52 and downside stand 53, measure the frictional resistance of each wall type friction damper 51, same with comparative example 1, confirmed until the speed interdependence of about 15kine by test.In addition, the black circle in figure and white circle are go through each the not data on the same day tested for 2 days some other day.According to this figure, same with comparative example 1, result is as follows: the deviation of the resistance (kN) of the velocity band of 0.1 ~ 3.0kine is large and reproducibility is poor.Thus, distinguish: the fastening unit 81,82 of the 8.8 grades of hex boltss and nut that comprise M30 fully can not maintain the stressed state that Frictional Slipping face maintains regulation, and the change of axial force is large.
Figure 28 shows following result: as embodiment, the PC rod iron being nominally M30 (nominal diameter (the exhaling び name) 29mm of rod iron) of use screw thread and clamp nut are as fastening unit 81,82, by with the fastening clamp nut of predetermined torque, be in Frictional Slipping face and maintain predetermined stressed state, various vibration is applied between upside stand 52 and downside stand 53, measure the frictional resistance of each wall type friction damper 51, same with comparative example 1 and comparative example 2, confirmed until the speed dependence of about 15kine by test.In addition, the black circle in figure and white circle are go through each the not data on the same day tested for 2 days some other day.According to this figure, distinguish: compared with comparative example 1,2, little in the deviation of the resistance (kN) of the velocity band of 0.1 ~ 3.0kine, show stable characteristic.Thus, distinguish: by using the fastening unit 81,82 comprising PC rod iron and clamp nut, fully can maintain the stressed state that Frictional Slipping face keeps regulation, and, make this fastening unit reduce the change (stressed change) of axial force.
Then, with reference to Figure 29, loose experimental result is described.In this test, use 10.9 grades of hex boltss of above-mentioned wall type friction damper 51, above-mentioned M30 and above-mentioned PC rod iron, after fastening each by pre-determined torque, place, measure the change of elapsed time and axial force.In addition, the value of the axial force imported be according to the deflection measurement result before fastening and fastening after the value that calculates of the value of deflection measurement result.In the figure, (A) change of the Axial stress in bolt along with time process when employing PC rod iron is represented, (B) represent the change of the Axial stress in bolt along with time process when employing hex bolts, (C) represents the change making unit temp.
According to this figure, distinguish that the axial force of each bolt increases and decreases repeatedly in the mode of the increase and decrease of hunting gear temperature, if but compare (A) and (B), then distinguish: relative to the axial force amplitude of fluctuation of (B), the change of (A) its each day of side and long-term change two Fang Dou little.Such as, if compare in the maximum value of the Axial stress in bolt of measurement 4510 hours period and minimum value, then distinguish: (B) shows the axial force change of 18.0kN ~ 33.7kN, on the other hand, (A) the axial force change of 8.7 ~ 12.2kN is shown, arrive half degree less, even if cause the change in size of the thickness direction of each plate member of this wall type friction damper due to temperature, to the length direction used load of fastening unit, with regard to the ability absorbing this change, PC rod iron is also than 10.9 grades of hex bolts excellences.In other words, can say that PC rod iron one side is excellent in the stability of Axial stress in bolt, according to this characteristic, even if do not apply load to the special mechanism such as disc spring, the stability of the frictional resistance in each experimental result of above-mentioned speed interdependence also can be provided by the combination of PC rod iron and clamp nut.
Claims (6)
1. a wall type friction damper, is characterized in that, possesses:
Movable steel plate, its have in the horizontal direction with vertical at predetermined intervals, separately extended in the horizontal direction multiple elongated holes, erect along vertical from lower component and arrange;
Fixation steel plate, it has perforation and is arranged on multiple circular holes of the position corresponding with the elongated hole position being configured at described movable steel plate, to hang down setting from upper-part along vertical;
Friction means, it is configured to be clamped by described movable steel plate and described fixation steel plate, comprises sliding part and counterpart; With
Secure component, it comprises PC rod iron and nut, fastening described movable steel plate and described fixation steel plate; This PC rod iron is through: be arranged on each of multiple elongated holes of described movable steel plate, and the perforation relative with this each elongated hole is arranged on the circular hole of described fixation steel plate each; Each of this nut and this PC rod iron is threadedly engaged;
Due to the relative deformation of the horizontal direction of described lower component and described upper-part, make sliding part and the counterpart Frictional Slipping of described friction means;
Each of region between 2 elongated holes adjacent in vertical of described movable steel plate, is configured with described friction means in the horizontal direction continuously;
Described secure component structure also possesses tabular dispersive stress metal parts, and this tabular dispersive stress metal parts has the through hole of described PC rod iron, and this tabular dispersive stress metal parts is configured between described clamp nut and described fixation steel plate.
2. a wall type friction damper, is characterized in that, possesses:
Movable steel plate, its have in the horizontal direction with vertical at predetermined intervals, separately extended in the horizontal direction multiple elongated holes, to hang down setting along vertical from upper-part;
Fixation steel plate, it has multiple circular holes that perforation is arranged on the position corresponding with the elongated hole position being configured at described movable steel plate, erects arrange from lower component along vertical;
Friction means, it is configured to be clamped by described movable steel plate and described fixation steel plate, comprises sliding part and counterpart; With
Secure component, it comprises PC rod iron and nut, fastening described movable steel plate and described fixation steel plate; This PC rod iron is through: be arranged on each of multiple elongated holes of described movable steel plate, and the perforation relative with this each elongated hole is arranged on the circular hole of described fixation steel plate each; Each of this nut and this PC rod iron is threadedly engaged;
Due to the relative deformation of the horizontal direction of described lower component and described upper-part, make sliding part and the counterpart Frictional Slipping of described friction means;
Each of region between 2 elongated holes adjacent in vertical of described movable steel plate, is configured with described friction means in the horizontal direction continuously;
Described secure component structure also possesses tabular dispersive stress metal parts, and this tabular dispersive stress metal parts has the through hole of described PC rod iron, and this tabular dispersive stress metal parts is configured between described clamp nut and described fixation steel plate.
3. wall type friction damper according to claim 1 and 2, is characterized in that,
Possess at least one block of described movable steel plate and put the described fixation steel plate of 1 piece in the mode clamping this movable steel plate than this movable steel plate polygamy, each between adjacent described movable steel plate and fixation steel plate possesses the friction means comprising described sliding part and counterpart.
4. wall type friction damper according to claim 1 and 2, is characterized in that,
In described friction means, described sliding part is close to any one party of described movable steel plate side or described fixation steel plate side across aluminium sheet, and any the opposing party of described movable steel plate side or described fixation steel plate side is close to by described counterpart.
5. wall type friction damper according to claim 1 and 2, is characterized in that,
The sliding part of described friction means possesses:
Base material, it is the reticulate body comprising expanded metal or wire gauze; With
Plastic sliding layer, it is filled in the mesh of this reticulate body, and is formed in the one side of this base material;
This sliding layer is configured in the contact surface side contacted with described counterpart.
6. wall type friction damper according to claim 1 and 2, is characterized in that,
Described sliding layer contains TFE.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-321513 | 2007-12-13 | ||
| JP2007321513 | 2007-12-13 | ||
| CN2008801207327A CN101896674A (en) | 2007-12-13 | 2008-11-20 | Wall type friction damper |
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| CN2008801207327A Division CN101896674A (en) | 2007-12-13 | 2008-11-20 | Wall type friction damper |
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| CN104847031A true CN104847031A (en) | 2015-08-19 |
| CN104847031B CN104847031B (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510184339.6A Active CN104847031B (en) | 2007-12-13 | 2008-11-20 | Wall type friction damper |
| CN2008801207327A Pending CN101896674A (en) | 2007-12-13 | 2008-11-20 | Wall type friction damper |
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| CN2008801207327A Pending CN101896674A (en) | 2007-12-13 | 2008-11-20 | Wall type friction damper |
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| JP (1) | JP5406042B2 (en) |
| CN (2) | CN104847031B (en) |
| TW (1) | TWI444541B (en) |
| WO (1) | WO2009075175A1 (en) |
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| US8807307B2 (en) * | 2010-02-12 | 2014-08-19 | Industry-Academic Cooperation Foundation, Chosun University | High-performance shear friction damper |
| KR101402479B1 (en) * | 2011-06-09 | 2014-06-09 | (주) 동양구조안전기술 | Aseismic Damper |
| JP2014194116A (en) * | 2013-03-28 | 2014-10-09 | Tokyu Construction Co Ltd | Vibration control structure of building |
| TWI509134B (en) * | 2013-05-28 | 2015-11-21 | Chien Jia Shang Chang | High-performance damper with friction casings |
| JP5426048B1 (en) * | 2013-09-25 | 2014-02-26 | 孝典 佐藤 | Damping wall structure |
| TWI509167B (en) * | 2013-12-10 | 2015-11-21 | China Steel Corp | Energy dissipation joint assembly and the use of its seismic 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 |
| CN104631647B (en) * | 2015-01-19 | 2016-11-16 | 江苏沪宁钢机股份有限公司 | High-rise damping damping unit |
| CN104929263B (en) * | 2015-06-23 | 2017-03-15 | 东南大学 | A kind of building vibration damping assembled lead foamed aluminium composite material antivibrator |
| CN106401254B (en) * | 2016-09-14 | 2018-11-06 | 东南大学 | A kind of Self-resetting steel-frame structure of buckling-restrained core board energy consumption |
| JP6883439B2 (en) * | 2017-02-14 | 2021-06-09 | オイレス工業株式会社 | Vibration damping device |
| CN108301676B (en) * | 2018-04-10 | 2023-09-22 | 河南理工大学 | Multi-dimensional combined type bearing type anti-seismic joint device |
| CN109707777B (en) * | 2018-12-29 | 2020-09-08 | 北京金风科创风电设备有限公司 | Damper, wind generating set and mounting method |
| CN109821410B (en) * | 2019-03-22 | 2024-02-06 | 国电环境保护研究院有限公司 | Supporting structure of desulfurization and denitrification tower |
| JP7220627B2 (en) * | 2019-06-19 | 2023-02-10 | 三井住友建設株式会社 | Damping structure of building and its construction method |
| CN114232830B (en) * | 2022-01-21 | 2023-03-24 | 广州大学 | Three-dimensional shock insulation slide support |
| CN115653099B (en) * | 2022-12-27 | 2023-04-07 | 石家庄铁道大学 | High-energy-consumption steel pipe concrete composite column-precast beam joint structure |
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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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| WO2009075175A1 (en) | 2009-06-18 |
| JP5406042B2 (en) | 2014-02-05 |
| TW200936909A (en) | 2009-09-01 |
| CN104847031B (en) | 2017-09-29 |
| JPWO2009075175A1 (en) | 2011-04-28 |
| TWI444541B (en) | 2014-07-11 |
| CN101896674A (en) | 2010-11-24 |
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