JPH01125476A - Structure of connecting section with ground surface in earthquakeproof structure construction - Google Patents
Structure of connecting section with ground surface in earthquakeproof structure constructionInfo
- Publication number
- JPH01125476A JPH01125476A JP28291487A JP28291487A JPH01125476A JP H01125476 A JPH01125476 A JP H01125476A JP 28291487 A JP28291487 A JP 28291487A JP 28291487 A JP28291487 A JP 28291487A JP H01125476 A JPH01125476 A JP H01125476A
- Authority
- JP
- Japan
- Prior art keywords
- ground
- edge
- ground surface
- floor surface
- compressed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000002955 isolation Methods 0.000 claims description 12
- 239000003566 sealing material Substances 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、免震構造構築物におＧＪる地盤表面との連結
部の構造に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to the structure of a connecting portion of a GJ to a ground surface in a seismic isolation structure structure.
（従来の技術）
超高層建築物等の構築物は地震時の水平力に対抗するた
め耐震構造とする必要があり、従来から種々の耐震手段
が提案されている。(Prior Art) Structures such as skyscrapers need to have earthquake-resistant structures in order to resist horizontal forces during earthquakes, and various earthquake-resistant measures have been proposed in the past.
しかして、最近では構築物自体を耐震構造とする以外に
、該構築物と地盤との連結部において地震のエネルギー
を減衰させ、構築物に加わる地震力を可及的に減少させ
る、いわゆる免震構造が注目されている。Recently, in addition to making the structure itself earthquake-resistant, so-called base isolation structures have been attracting attention, which attenuates earthquake energy at the connection between the structure and the ground and reduces as much as possible the seismic force applied to the structure. has been done.
第２図はかかる免震構造の構築物の従来例を示すもので
あり、図中１は高層建築物、２は地盤である。FIG. 2 shows a conventional example of a structure with such a seismic isolation structure, where 1 is a high-rise building and 2 is the ground.
地盤２の根切部３１−には柱状のゴムあるいはゴムと金
属板とを交互に積層した減衰部祠４を適宜配設し、建築
物１はその七に構築されるようになっており、地震時に
は前記減衰部材４の弾性変形により地震エネルギーを吸
収するように段調されている。A damping part shrine 4 made of pillar-shaped rubber or rubber and metal plates alternately laminated is appropriately arranged at the root cutting part 31- of the ground 2, and the building 1 is constructed on the seventh part. At the time of an earthquake, the damping member 4 is stepped so as to absorb earthquake energy through elastic deformation.
しかして、かかる免震構造の建築物Ｉでは、地震時に該
建築物１の側面１ａ、Ｉｂと地盤端縁５とは相互に近接
、離反を繰返すため、該側面Ｉａ、Ｉｂと地盤端縁５と
の間には所定の間隙６が形成されており、また、１階床
面７は地盤面８よりも高くして両者の間に段差を設け、
地盤面８と建築物１とを連絡する該床面７の突出部９が
地盤端縁５と地震時に衝突するのを防ぐような構成とさ
れていた。In the building I having such a base isolation structure, the side surfaces 1a and Ib of the building 1 and the ground edge 5 repeatedly approach and separate from each other during an earthquake, so the side surfaces Ia and Ib and the ground edge 5 A predetermined gap 6 is formed between the two, and the first floor floor surface 7 is higher than the ground surface 8 to provide a step between the two.
The structure is such that a protrusion 9 of the floor surface 7 that connects the ground surface 8 and the building 1 is prevented from colliding with the ground edge 5 during an earthquake.
（発明が解決しようとする問題点）
よって、前記床面突出部９と地盤面８との間には段差が
あるため、従来はこの部分を階段１０等で連絡していた
が、建築物１内への重量物の搬入などの際には、前記段
差があるため搬入作業が煩雑となり、長時間を要すると
いう問題があった。(Problem to be Solved by the Invention) Therefore, since there is a step between the floor protrusion 9 and the ground surface 8, conventionally this part was connected by stairs 10, etc. When carrying heavy objects into the interior, there is a problem in that the step is complicated and takes a long time.
本発明は、かかる従来の問題点を解決しうる免震構造構
築物における地盤表面との連結部の構造を提供すること
を目的とするものである。An object of the present invention is to provide a structure of a connecting portion with the ground surface in a seismic isolation structure structure that can solve such conventional problems.
（問題点を解決するだめの手段）
上記目的を達成するため本発明は、免震構造の構築物に
おいて、周辺地盤表面とこれに対向する構築物の床面と
を同一高さに設定し、前記地盤と構築物との間に形成さ
れる所定の間隙部−上面位置で、前記地盤表面と前記床
面との間に水平に架設部材を載架し、該架設部材の一端
を前記地盤表面もしくは床面の接触端縁のいずれかとピ
ン支持固定し、他端を自由端とすることにより、前記間
隙部の圧縮時には前記架設部材の前記自由端が前記地盤
表面もしくは床面の接触端縁のいずれかとずれを生じる
ようにしたことを特徴とするものである。(Means for Solving the Problems) In order to achieve the above object, the present invention, in a structure with a seismic isolation structure, sets the surrounding ground surface and the floor surface of the structure opposite thereto at the same height, and A construction member is mounted horizontally between the ground surface and the floor surface at a predetermined gap portion-upper surface position formed between the structure and the ground surface, and one end of the construction member is placed between the ground surface or the floor surface. By supporting and fixing one of the contact edges of the construction member with a pin and making the other end a free end, when the gap is compressed, the free end of the construction member shifts from either the contact edge of the ground surface or the floor surface. It is characterized in that it is made to occur.
（実施例） 以下、本発明の好適な実施例を図面により説明する。(Example) Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
第１図乃至第４図は本発明の一実施例を示すものであり
、第１図において１１は本実施例に係る免震構造の構築
物１２の床面であり、該構築物１２の底面には上記した
従来例と同様の減衰部材（図示せず）が配設されること
により、所定の免震性能を備えたものである。1 to 4 show one embodiment of the present invention. In FIG. 1, 11 is the floor surface of a structure 12 with a seismic isolation structure according to this embodiment, and the bottom surface of the structure 12 is By disposing a damping member (not shown) similar to the conventional example described above, a predetermined seismic isolation performance is provided.
また、図中１３は構築物１２の周辺の地盤であり、該地
盤１３と構築物１２との間には地震時の干渉を避けるた
めの所定幅の間隙部１４が形成されている。Further, reference numeral 13 in the figure indicates the ground around the structure 12, and a gap 14 of a predetermined width is formed between the ground 13 and the structure 12 to avoid interference during an earthquake.
しかして、本実施例では地盤表面１３ａと前記構築物１
２の床面１１とが同一高さに設定されており、前記間隙
部１４−１−には地盤表面１３ａから床面１１にかけて
板状の架設部材１５が水平に載架されている。Therefore, in this embodiment, the ground surface 13a and the structure 1
The floor surface 11 of No. 2 is set at the same height, and a plate-shaped construction member 15 is horizontally mounted in the gap 14-1- from the ground surface 13a to the floor surface 11.
該架設部材１５は、本実施例では本体１６がコンクリー
ト製でその表面には磁器タイル１７が配され、底面はス
テンレスプレート仕上１８となっている。In this embodiment, the construction member 15 has a main body 16 made of concrete, a porcelain tile 17 arranged on its surface, and a stainless steel plate finish 18 on the bottom surface.
また、架設部材１５の両端の床面１１及び地盤表面１３
ａ上にも各々架設部材１５と同一厚さの仕」一部材１９
．２０が配設されており、本実施例では該仕−１一部材
１９．２０は、各々コンクリート本体表面に架設部材と
同様の磁器タイル貼り仕上とされている。In addition, the floor surface 11 and the ground surface 13 at both ends of the construction member 15
Also on the top of a is a member 19 having the same thickness as the construction member 15.
．． In this embodiment, the members 19 and 20 of the section 1 are each finished with porcelain tiles similar to the construction members on the surface of the concrete body.
また、前記各仕上部材１９の端縁から前記間隙部１４に
かけては床面１１にステンレスプレート２１が取付けら
れており、該ステンレスプレート２１を介して仕」二部
材１９の端縁には、内部が中空となっていて各々弾性変
形可能な可撓性ガスケット２２が長手方向（図中紙面と
直交方向）に連続して固着されている。Further, a stainless steel plate 21 is attached to the floor surface 11 from the edge of each of the finishing members 19 to the gap 14, and the inner part of the finishing member 19 is finished through the stainless steel plate 21. Flexible gaskets 22, each of which is hollow and capable of elastic deformation, are continuously fixed in the longitudinal direction (in the direction perpendicular to the plane of the paper in the figure).
該ガスケット２２と当接する前記架設部材１５の端縁１
５ａは上方に拡開する傾斜面２３として形成されており
、前記ステンレスプレート２１上に自由端として載置さ
れている。Edge 1 of the construction member 15 that comes into contact with the gasket 22
5a is formed as an upwardly expanding inclined surface 23, and is placed on the stainless steel plate 21 as a free end.
また、床面１１と架設部材１５との摩擦部分はテフロン
貼り仕上となっている。Further, the friction portion between the floor surface 11 and the construction member 15 is coated with Teflon.
一方、前記架設部材１５の他方の端縁１５ｂは地盤１３
の端縁に固定された定着部材２４にヒンジ２５により回
動可能にピン支持固定されており、端縁１５ｂと前記地
盤１３の仕上部材２０の端縁との間には弾性シーリング
材２６が介装されている。On the other hand, the other edge 15b of the construction member 15 is connected to the ground 13.
The fixing member 24 is rotatably supported and fixed by a hinge 25 to a fixing member 24 fixed to the edge of the base 13, and an elastic sealing material 26 is interposed between the edge 15b and the edge of the finishing member 20 of the ground 13. equipped.
かかる構成からなる本実施例においては、地震時に構築
物１２とこれに対向する地盤１３が近接する圧縮状態で
は、まず第２図に示すように架設部材１５の床面ＩＩ側
の端縁１５ ａと仕上部材１９との間に介設されたガス
ケット２２が弾性圧縮変形して圧縮応力を吸収し、さら
に犬なる圧縮状態に至ると第３図に示すように、架設部
材１５の端縁１５ａの傾斜面２３がガスケット２２に沿
って」一方にスライドし、さらに圧縮変形分だけ両性上
部材１９．Ｊ−に申合して移動するとともに、架設部材
１５の他方の端縁１５ ｔ）はヒンジ２５により所定角
度分だけ回転し、弾性シーリング材２６が圧縮変形して
変形を吸収するため、床面１１と地盤表面１３ａとが同
一水平面上にあっても、両者の干渉をイ１効に防１１−
シうる。In this embodiment having such a configuration, when the structure 12 and the ground 13 facing it are in a compressed state in close proximity during an earthquake, first the edge 15 a of the construction member 15 on the floor surface II side and When the gasket 22 interposed between the finishing member 19 undergoes elastic compression deformation and absorbs the compressive stress, and reaches a further compressed state, the end edge 15a of the construction member 15 is inclined as shown in FIG. The surface 23 slides to one side along the gasket 22, and the upper member 19. At the same time, the other edge 15t) of the construction member 15 is rotated by a predetermined angle by the hinge 25, and the elastic sealing material 26 is compressed and deformed to absorb the deformation, so that the floor surface Even if 11 and the ground surface 13a are on the same horizontal plane, interference between the two can be effectively prevented 11-
I can do it.
また、上記したのと逆に構築物１２とこれに対向する地
盤１３が通常状態より離反する引張状態においては、第
４図に示すように架設部材】５の床面Ｊ１側の端縁１５
ａが自由端であるため、床面１１七をスライドすること
により引張応力を吸収しつるようになっている。In addition, in a tensile state where the structure 12 and the ground 13 facing it are separated from each other from the normal state, contrary to the above, as shown in FIG.
Since a is the free end, it can absorb tensile stress by sliding on the floor surface 117.
なお、本発明は上記実施例に限定されるものではなく、
架設部材１５の固定端とｌ′口１１端は上記実施例とは
逆位置に形成してもよく、架設部材］５や仕」二部材１
９．２０の材質、配設態様は設計条件に応じて任意に設
定しつる等、本発明の要旨を逸脱しない範囲内で種々の
変形例が可能なことは言うまでもない。Note that the present invention is not limited to the above embodiments,
The fixed end of the construction member 15 and the end of the opening 11 may be formed in the opposite position from the above embodiment, and the construction member 5 and the end 1
It goes without saying that various modifications can be made without departing from the spirit of the present invention, such as by arbitrarily setting the material and arrangement of 9.20 according to design conditions.
（発明の効果）
本発明は一ト述した如く構成されており、周辺地盤表面
とこれに対向する構築物の床面とを同一高さに設定し、
前記地盤と構築物との間に形成される所定の間隙部」−
面位置で、前記地盤表面と前記床面との間に水平に架設
部材を載架し、該架設部材の一端を前記地盤表面もしく
は床面の接触端縁のいずれかとピン支持固定し、他端を
自由端とすることにより、前記間隙部の圧縮時には１７
１７記架設部材の前記自由端が前記地盤表面もしくは床
面の接触端縁のいずれかとずれを生じるようにしたこと
により、従来のように構築物の床面と地盤表面との間に
段差を設けなくとも両者の干渉を有効に防止することが
でき、構築物の床面と地盤表面とが同一水平面上に形成
しつるため重量物の搬入等の際支障となることがなく、
合理的な建築計画を導入しうるものである。(Effects of the Invention) The present invention is configured as described above, and the surrounding ground surface and the floor surface of the structure facing it are set at the same height,
a predetermined gap formed between the ground and the structure”
A construction member is mounted horizontally between the ground surface and the floor surface at a surface position, one end of the construction member is supported and fixed with a pin to either the contact edge of the ground surface or the floor surface, and the other end is By setting the free end to 17 when the gap is compressed,
17. By making the free end of the construction member deviate from either the ground surface or the contact edge of the floor surface, there is no need to create a step between the floor surface of the structure and the ground surface as in the past. It is possible to effectively prevent interference between the two, and since the floor surface of the structure and the ground surface are formed on the same horizontal plane, there is no problem when transporting heavy objects, etc.
It is possible to introduce a rational architectural plan.
第１図乃至第４図は本発明の一実施例を示し、第１図は
本実施例に係る免震構造構築物における地盤表面との連
結部の構成を示す要部断面図、第２図乃至第４図は、各
々地震時の連結部の挙動を示す説明図、第５図は従来の
免震構造構築物の例を示す概念図である。
１１・・・床面、 １２・・・構築物、１３・
・・地盤、 １３ａ・・・地盤表面、Ｉ４・・
・間隙部、 １５・・・架設部材、１９．２０・
・・仕上部材、
２２・・・ガスケット、 ２３・・・傾斜面、２５・・
・ヒンジ、 ２６・・・弾性シーリング材。
特許出願人 三井建設株式会社
代理人 弁理士 藤 原 宏 之1 to 4 show an embodiment of the present invention, FIG. 1 is a cross-sectional view of essential parts showing the configuration of a connection part with the ground surface in a seismic isolation structure according to this embodiment, and FIGS. FIG. 4 is an explanatory diagram showing the behavior of the connecting parts during an earthquake, and FIG. 5 is a conceptual diagram showing an example of a conventional seismic isolation structure structure. 11... Floor surface, 12... Structure, 13.
...Ground, 13a...Ground surface, I4...
・Gap part, 15...Erection member, 19.20・
... Finishing member, 22... Gasket, 23... Inclined surface, 25...
- Hinge, 26... Elastic sealing material. Patent applicant Mitsui Construction Co., Ltd. Agent Patent attorney Hiroshi Fujiwara
Claims (1)
向する構築物の床面とを同一高さに設定し、前記地盤と
構築物との間に形成される所定の間隙部上面位置で、前
記地盤表面と前記床面との間に水平に架設部材を載架し
、該架設部材の一端を前記地盤表面もしくは床面の接触
端縁のいずれかとピン支持固定し、他端を自由端とする
ことにより、前記間隙部の圧縮時には前記架設部材の前
記自由端が前記地盤表面もしくは床面の接触端縁のいず
れかとずれを生じるようにしたことを特徴とする免震構
造構築物における地盤表面との連結部の構造。In a structure with a seismic isolation structure, the surrounding ground surface and the floor surface of the structure facing it are set at the same height, and the ground surface is set at the upper surface position of a predetermined gap formed between the ground and the structure. and the floor surface, one end of the construction member is supported and fixed with a pin to either the ground surface or the contact edge of the floor surface, and the other end is a free end. , a connecting portion with a ground surface in a seismic isolation structure structure, characterized in that, when the gap is compressed, the free end of the construction member is misaligned with either the ground surface or the contact edge of the floor surface. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28291487A JPH01125476A (en) | 1987-11-09 | 1987-11-09 | Structure of connecting section with ground surface in earthquakeproof structure construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28291487A JPH01125476A (en) | 1987-11-09 | 1987-11-09 | Structure of connecting section with ground surface in earthquakeproof structure construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01125476A true JPH01125476A (en) | 1989-05-17 |
Family
ID=17658747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28291487A Pending JPH01125476A (en) | 1987-11-09 | 1987-11-09 | Structure of connecting section with ground surface in earthquakeproof structure construction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01125476A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11124893A (en) * | 1997-10-20 | 1999-05-11 | Daikure Co Ltd | Support structure of ditch cover |
| JP2001073473A (en) * | 1999-03-09 | 2001-03-21 | Sekisui Chem Co Ltd | Doorway structure for base-isolated building, unit-type base-isolated building with the doorway structure, and building unit |
-
1987
- 1987-11-09 JP JP28291487A patent/JPH01125476A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11124893A (en) * | 1997-10-20 | 1999-05-11 | Daikure Co Ltd | Support structure of ditch cover |
| JP2001073473A (en) * | 1999-03-09 | 2001-03-21 | Sekisui Chem Co Ltd | Doorway structure for base-isolated building, unit-type base-isolated building with the doorway structure, and building unit |
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