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1. 发明专利

JP2000081363A SEISMIC BASE ISOLATION DEVICE ANALYSIS METHOD AND STORAGE MEDIUM RECORDING SEISMIC BASE ISOLATION DEVICE ANALYSIS PROGRAM 失效
公开(公告)号：JP2000081363A
公开(公告)日：2000-03-21
申请号：JP25021798
申请日：1998-09-04
申请人： FUJITA CORP , OILES INDUSTRY CO LTD
发明人： HIYOU TOKUMIN , MIYAMA TAKASHI , TORII TSUGIO , SHIMODA IKUO , KAJIKI SHIGEAKI , MIYAZAKI MITSURU
IPC分类号： G01M7/00
摘要： PROBLEM TO BE SOLVED: To provide a seismic base isolation device analysis method for accurately analyzing the behavior of an actual seismic base isolation device and appropriately optimizing the design value of the seismic base isolation device and structure, and a storage medium for recording a seismic base isolation device analysis program. SOLUTION: An amount-of-displacement input step where information that indicates the amount of displacement changing with time is inputted from an amount-of- displacement input part is executed (S100). Then, an analysis step for calculating reactive force is executed corresponding to the amount of displacement being inputted and the history of the amount of displacement (S200). Then, an analysis result output step for outputting an analysis result that indicates reactive force being calculated by the analysis step is executed (S300). Every time when one amount of displacement is inputted, each of the above steps S100, S200, and S300 is executed. In the analysis result output step, the characteristic chart of the amount of displacement versus reactive force is outputted by a printer or the like based on the reactive force that is calculated by the analysis step.

2. 发明专利

JPH11336837A JIG FOR INTRODUCING PRE-LOAD INTO LAMINATED RUBBER TYPE BASE ISOLATION DEVICE AND METHOD OF INTRODUCING PRE-LOAD 失效
公开(公告)号：JPH11336837A
公开(公告)日：1999-12-07
申请号：JP14365198
申请日：1998-05-26
申请人： FUJITA CORP , OILES INDUSTRY CO LTD
发明人： TORII TSUGIO , NAKAHARA TAKAO , KAJIKI SHIGEAKI
IPC分类号： E04H9/02 , F16F1/40 , F16F15/04
摘要： PROBLEM TO BE SOLVED: To allow to remove a pre-load introducing jig easily from a laminated rubber type base isolation device without the necessity of cutting the pre-load introducing jig by a gas cutting or the like, even when a large building load exceeding the pre-load is applied to the laminated rubber type base isolation device, after the laminated rubber type base isolation device introducing the pre-load by erecting plural pre-load introducing jigs between the upper and the lower flange plates is set in the building. SOLUTION: A pre-load introducing jig 20 to a laminated rubber type base isolation device 10 has the first male screw 22 and the second male screw 24 screwed and connected to the upper and the lower flange plates 12 and 14 respectively, and the length between the first male screw and the second male screw is made regulatable. The pre-load introducing jig 20 can restrict the relative displacement in the direction to separate the flange plates each other, and can permit the relative displacement in the direction to approach the flange plates such other, in the condition erected between the upper and the lower flange plates.

3. 发明专利

JPH11117991A BASE ISOLATION DEVICE 失效
公开(公告)号：JPH11117991A
公开(公告)日：1999-04-27
申请号：JP27221697
申请日：1997-09-18
申请人： OILES INDUSTRY CO LTD
发明人： KAJIKI SHIGEAKI
IPC分类号： E04B1/36 , A47B97/00 , E04H9/02 , F16F15/02
摘要： PROBLEM TO BE SOLVED: To provide a base isolation device to response to vibration all in horizontal directions, reduce height even during adaptation to a structure, stably support a structure even when an occupying area is not so wide, and besides reduce a cost and simplify constitution, and to provide a base isolation structure using the base isolation structure. SOLUTION: This base isolation device comprises a pendulum type base isolation mechanism 4 located between lower and upper bases 2 and 3 and having a roller 35 serving as an operation element; a lower bearing mechanism 6 located between the lower base 2 and the base isolation mechanism 4 such that the base isolation mechanism 4 is arranged in a horizontal plane based on the lower base 2 and rotation in a direction A around a rotary axis 5 crossing orthogonally to the horizontal plane is practicable; and an upper bearing mechanism 7 located between the base isolation mechanism 4 and the upper base 3. A vertical shaft 42 passing through the rolling axis 41 of the roller 35 during non-operation is positioned eccentrically from the rotary axis 5.

4. 发明专利

JPH10227152A FIRE-RESISTIVE COVERING STRUCTURE OF VIBRATION ISOLATION DEVICE 失效
公开(公告)号：JPH10227152A
公开(公告)日：1998-08-25
申请号：JP18748097
申请日：1997-06-27
申请人： TAISEI CORP , OILES INDUSTRY CO LTD , NICHIAS CORP
发明人： MAEZAWA SUMIO , KOYAMA MINORU , KAJIKI SHIGEAKI , YOKOYAMA RYUTARO , IMAMURA YASUAKI , TAKIZAWA KOHEI
IPC分类号： E04B1/94 , E04B1/98 , E04H9/02
摘要： PROBLEM TO BE SOLVED: To provide fire-resistive covering structure, by which the inspection works of a vibration isolation device are facilitated. SOLUTION: Fire-resistive fiber blankets 15, in which surfaces are covered with a nonwoven fabric 14, are installed at the lower end section 13 of a fire- resistive covering material 12a on the upper side surrounding a vibration isolation device body 10, and brought to a compressed state when upper and lower fire-resistive covering materials 12a, 12b are connected continuously. PTFE sheets are bonded with the upper and lower end faces 21, 25 of the fire-resistive covering material 12b on the lower side. The fire-resistive covering material 12a on the upper side is fixed onto an upper building frame 29, but the fire- resistive covering material 12b on the lower side is rotated around the vibration isolation device body 10, and an inspection port 16 can be moved to a required inspection place.

5. 发明专利

JP2000046104A BASE ISOLATION DEVICE 失效
公开(公告)号：JP2000046104A
公开(公告)日：2000-02-18
申请号：JP21304498
申请日：1998-07-28
申请人： OILES INDUSTRY CO LTD
发明人： SHIMODA IKUO , SAWADA TAKESHI , KAJIKI SHIGEAKI
IPC分类号： E04H9/02 , F16F15/02
摘要： PROBLEM TO BE SOLVED: To provide a base isolation device capable of lightening weight, facilitating conveyance and installation, capable of omitting a cutting process required for many hours and labor, and capable of attaining reduction of a cost. SOLUTION: A base isolation device 1 is provided with a lower shoe 4 having a lower side slide surface 2 of circular arc recessed sectional shape toward the upward to be fixed to a substructure 3, upper shoe 7 having an upper side slide surface 5 of circular arc recessed sectional shape toward the downward to be fixed to a supperstructure 6, and a slide lower surface 8 having curvature equal to that of the lower side slide surface 2 of the lower shoe 4 to be abutted slidably to the lower side slide surface 2, and the device is provided with a slide upper surface 9 having curvature equal to that of the upper side slide surface 5 of the upper shoe 7 to be abutted slidably to the upper side slide surface 5, and the device is equipped with a slide unit 10 interposed between the lower/upper shoes 4, 7. The lower shoe 4 is equipped with a lower plate- shaped member 21 and a lower side filling body 22, and the upper shoe 7 is equipped with an upper plate-shaped member 31 and a lower side filling body 32.

6. 发明专利

JPH1150694A METHOD FOR SETTING BASE ISOLATION DEVICE 失效
公开(公告)号：JPH1150694A
公开(公告)日：1999-02-23
申请号：JP21909997
申请日：1997-07-30
申请人： OILES INDUSTRY CO LTD
发明人： IZAWA KAZUO , KAWAGUCHI SUMIO , KAJIKI SHIGEAKI
IPC分类号： E04B1/36 , E04H9/02 , F16F15/02
摘要： PROBLEM TO BE SOLVED: To omit a lower anchor plate. SOLUTION: A combined body 2 including a jig plate 7, a bolt 10, a cap nut 13 screwed on the thread 12 of the bolt 10, and support means 26, 27 to support the plate 7 on a foundation bed is prepared for a lower plate of a base isolation device. And the body 2 is disposed on the foundation bed through the means 26, 27 and a concrete or mortar is cast under the underside 11 of the plate 7 to form a lower structure in which cap nuts 13 are buried. Thereafter, the bolts 10 are removed to remove the plate 7 from the upper surface of the lower structure and the base isolation device is mounted on the upper surface of the lower structure, from which the plate 7 has been removed, and the bolts are brought into threaded engagement with the cap nuts 13 through through holes formed in the lower plate of the device to fix the device on the lower structure.

7. 发明专利

JPH1181740A FIRE RESISTIVE DEVICE FOR BASE ISOLATION DEVICE 失效
公开(公告)号：JPH1181740A
公开(公告)日：1999-03-26
申请号：JP26100097
申请日：1997-09-09
申请人： OILES INDUSTRY CO LTD
发明人： KAJIKI SHIGEAKI
IPC分类号： E04B1/94 , E04H9/02 , F16F15/02 , F16F15/04
摘要： PROBLEM TO BE SOLVED: To facilitate mounting and removing work by contacting the circumferential surface of laminated rubber between both up and down flanges of an intermediate fire resistive frame device, and contacting both up and down end faces respectively to the lower and upper end faces of upper and lower fire resistive frame devices in a slidable manner in the horizontal direction. SOLUTION: Vibration of an upper construction 175 caused by earthquake, etc., is damped to protect a lower construction 176 from earthquake, and a base isolation device 1 is returned by operation of a laminated rubber body 13 to return also an intermediate fire resistive frame device 8. The laminated rubber body 13 is protected from flame, heat to the laminated rubber body 13 is prevented to avoid the destruction by fire and deformation of a rubber layer 14, and the upper construction 175 is borne. Horizontal displacement of the upper and lower fire resistive frame devices 4 and 6 to the intermediate fire resistive frame device 8 is approximately 1/3 of relative displacement to the lower construction 176 of the upper construction 175. For that purpose, horizontal widths of collars 36 and 86 and both up and down collars 122 and 123 are reduced, and distance between the circumferential surface of the laminated rubber body 13 and them is shortened. By the constitution, the lightweight fire resistive frame devices 4, 6 and 8 are obtained, and mounting and removing work of a fire resistive device 2 can be easily carried out.

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