JPH0372784B2 - - Google Patents
Info
- Publication number
- JPH0372784B2 JPH0372784B2 JP61252592A JP25259286A JPH0372784B2 JP H0372784 B2 JPH0372784 B2 JP H0372784B2 JP 61252592 A JP61252592 A JP 61252592A JP 25259286 A JP25259286 A JP 25259286A JP H0372784 B2 JPH0372784 B2 JP H0372784B2
- Authority
- JP
- Japan
- Prior art keywords
- flexible material
- horizontal
- seismic
- slide plate
- earthquake
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 27
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003190 viscoelastic substance Substances 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は柱・耐震壁、ブレース等耐震要素の
水平方向の剛性と、その復元力特性を調整する、
耐震要素の水平剛性調整装置に関するものであ
る。[Detailed Description of the Invention] [Industrial Application Field] This invention adjusts the horizontal stiffness and restoring force characteristics of earthquake-resistant elements such as columns, shear walls, and braces.
This invention relates to a horizontal rigidity adjustment device for seismic elements.
鉄筋コンクリート造建築物は一般に耐震壁付き
ラーメン構造として設計されることが多いが、そ
の場合、耐震壁の水平剛性が柱・梁によるフレー
ムのそれに比べて極めて高く、またその最大耐力
点がフレームの降伏変位よりもかなり小さいこと
が耐震設計において配慮すべき主要な技術的課題
の一つとなる。
Reinforced concrete buildings are generally designed as rigid frame structures with shear-resistant walls, but in this case, the horizontal rigidity of the shear-resistant walls is extremely high compared to that of frames made of columns and beams, and the maximum strength point is the point at which the frame yields. This is one of the major technical issues to be considered in seismic design.
そこでこの課題解決の手段としてこれまでスリ
ツト耐震壁を始めとする幾つかの可撓耐震壁の開
発が行われているが、それらは主として外力の負
担を部材の塑性変形能力に期待するものであつ
て、ある程度の損傷を許容しながら変形性能を向
上させている。しかしながら損傷の発生しない弾
性領域における耐震壁の水平方向の変形能力が高
く、更にその剛性を自由に調整できる方法は未だ
開発されていない。 Therefore, as a means of solving this problem, several flexible shear walls, including slit shear walls, have been developed, but these mainly rely on the plastic deformation ability of the members to bear the burden of external forces. This improves deformation performance while allowing a certain amount of damage. However, no method has yet been developed that allows shear walls to have a high horizontal deformability in the elastic region where no damage occurs, and also allows the rigidity to be freely adjusted.
この発明は従来の耐震壁の実情を踏まえ、その
水平剛性の自由な調整を可能とする目的からなさ
れたもので、水平方向の変形能力、及び場合に応
じて減衰性能を併せ持つ装置を耐震壁等に取り付
けることによりその変形性能を高め、更にその復
元力特性を改良しようとするものである。 This invention was made with the aim of making it possible to freely adjust the horizontal rigidity of conventional earthquake-resistant walls. The aim is to increase its deformation performance and further improve its restoring force characteristics.
本発明ではゴム材料を始めとする弾性材料、粘
弾性材料等の可撓性材料を介して対向する複数枚
のスライドプレートを柱・耐震壁やブレース等の
耐震要素の上端、下端、もしくは中間部位置に水
平に取り付けることによつて耐震要素の水平剛
性、耐力、変形性能を自由に調整する。
In the present invention, a plurality of slide plates facing each other with flexible materials such as rubber materials, elastic materials, viscoelastic materials, etc. The horizontal stiffness, strength, and deformation performance of the seismic element can be freely adjusted by installing it horizontally.
耐震要素の水平剛性等を調整する水平剛性調整
装置は、可撓性材料が対向する面に接着された複
数枚のスライドプレートからなり、一方のスライ
ドプレートが互いに構造的に切り離された耐震要
素の一方側に、他方のスライドプレートが耐震要
素の他方側に固定され、耐震要素の相対水平変位
によつて可撓性材料が水平方向にせん断変形しな
がらスライドプレートが相対移動し、耐震要素の
水平剛性を可撓性材料の剛性に応じて調整し、耐
震要素の変形能力を高める。 The horizontal rigidity adjustment device that adjusts the horizontal rigidity etc. of an earthquake-resistant element consists of multiple slide plates with flexible materials glued to opposing surfaces, one of which is a structurally separated seismic element. On one side, the other slide plate is fixed to the other side of the seismic element, and the relative horizontal displacement of the seismic element causes the relative movement of the slide plate while shearing the flexible material in the horizontal direction, causing the horizontal displacement of the seismic element. The stiffness is adjusted according to the stiffness of the flexible material, increasing the deformation capacity of the seismic element.
このときの耐震要素の水平剛性はそれ自身の剛
性以下の範囲において、また変形性能はほとんど
制限なしに可撓性材料の弾性係数等の特性及び寸
法によつて自在に調節される。 At this time, the horizontal stiffness of the seismic element is within the range of its own stiffness, and the deformation performance is freely adjusted with almost no restrictions depending on the properties and dimensions of the flexible material, such as the elastic modulus.
特に可撓性材料に超塑性ゴム等の粘弾性材料を
使用した場合には、変形性能、剛性等の調整に加
えて耐震要素に減衰性能を付与することも可能で
ある。 In particular, when a viscoelastic material such as superplastic rubber is used as the flexible material, in addition to adjusting deformation performance, rigidity, etc., it is also possible to impart damping performance to the seismic element.
また、スライドプレートの対向する面に相対移
動方向の一定量の変位時に互いに接触、あるいは
係合してそれ以上の変位を拘束するリブを突設す
ることによつて、その一定量を越える変位の発生
時に耐震要素自身の復元力特性を発揮させる。 In addition, by providing protruding ribs on opposing surfaces of the slide plate that contact or engage with each other when a certain amount of displacement in the relative movement direction occurs and restrain further displacement, it is possible to prevent displacement that exceeds that certain amount. When an earthquake occurs, the restoring force characteristics of the seismic element itself are exerted.
更にスライドプレートの少なくともいずれか一
方に、対向するスライドプレートの距離が増大す
る方向の一定量の相対変位時に他方側に係合して
それ以上の変位を拘束する機構を付属させておく
ことによつて、例えば耐震要素として柱に適用し
た場合に、耐震要素に引張抵抗力を付与する。 Furthermore, at least one of the slide plates is provided with a mechanism that engages with the other side when a certain amount of relative displacement occurs in a direction in which the distance between the opposing slide plates increases and restrains further displacement. For example, when applied to a column as an earthquake-resistant element, it imparts tensile resistance to the earthquake-resistant element.
以下本発明を一実施例を示す図面に基づいて説
明する。
The present invention will be explained below based on the drawings showing one embodiment.
まず第一の発明を第１図により説明する。 First, the first invention will be explained with reference to FIG.
この発明の水平剛性調整装置Ａ（以下調整装置
Ａ）は第１図に示すように対向する少なくとも２
枚のスライドプレート１，１とそれらの内側に接
着される可撓性材料２とからなるもので、耐震壁
Ｂ、もしくはブレースＣに第４図〜第７図に示す
ように相対水平移動可能に取り付けられてその水
平剛性を調整するものである。 As shown in FIG.
It consists of two slide plates 1 and 1 and a flexible material 2 bonded to their insides, and can be moved horizontally relative to the shear wall B or brace C as shown in Figures 4 to 7. It is attached to adjust its horizontal rigidity.
第１図はスライドプレート１が２枚の場合の実
施例を示したものであるが、可撓性材料２はスラ
イドプレート１，１の対向する面に加硫接着等に
より接着され、必要に応じて一部にクリアランス
１ｂが設けられる。可撓性材料２はスライドプレ
ート１，１の全面に亘つて接着しても勿論差支え
ないが、その長さ、幅、厚さ及びクリアランス１
ｂの大きさを適宜調節することにより耐震壁Ｂ等
の剛性及び変形能力が調整される。 Fig. 1 shows an embodiment in which there are two slide plates 1, and the flexible material 2 is bonded to the opposing surfaces of the slide plates 1, 1 by vulcanization adhesive etc. A clearance 1b is provided in a part. Of course, the flexible material 2 may be adhered to the entire surface of the slide plates 1, 1, but the length, width, thickness and clearance 1
By appropriately adjusting the size of b, the rigidity and deformability of the earthquake-resistant wall B etc. can be adjusted.
次に第２図以下の図面に従つて第二の発明を説
明する。 Next, the second invention will be explained with reference to the drawings from FIG. 2 onwards.
この発明は第２図に示すように第一の発明にお
いて、スライドプレート１，１の対向する面にそ
の最大水平変位時に互いに係合してストツパーの
役目を果たすリブ１ａ，１ａを突設したものであ
る。この相互のリブ１ａ，１ａ間には水平方向に
クリアランス１ｂが確保され、双方のリブ１ａ，
１ａは互いに嵌合する形状をしている。この場合
にもまた可撓性材料２の長さ、幅、厚さ及びクリ
アランス１ｂの大きさによつて耐震壁Ｂ等の剛性
及び変形能力が調整される。 As shown in FIG. 2, this invention is based on the first invention in which ribs 1a, 1a are protrudingly provided on opposing surfaces of the slide plates 1, 1 to engage with each other and serve as a stopper when the slide plates 1, 1 are at their maximum horizontal displacement. It is. A clearance 1b is ensured in the horizontal direction between the ribs 1a, 1a, and both ribs 1a,
1a have shapes that fit into each other. In this case as well, the rigidity and deformability of the shear wall B etc. are adjusted by the length, width, thickness and clearance 1b of the flexible material 2.
第３図乃至第６図はこの調整装置Ａを耐震壁
Ｂ、特に鉄筋コンクリート造の耐震壁Ｂに適用し
た場合の実施例を示している。 3 to 6 show an embodiment in which this adjustment device A is applied to a shear wall B, particularly a shear wall B made of reinforced concrete.
これらの場合、スライドプレート１，１の外側
には耐震壁Ｂ、または梁Ｄに固定するためのスタ
ツドボルト３が固定されており、調整装置Ａは耐
震壁Ｂの上端、下端、もしくは中間部に第４図、
第５図のようにスタツドボルト３を埋め込むこと
によつて取り付けられる。第４図は耐震壁Ｂの下
端に、第５図は中間部に、また第６図は上端に取
り付けた場合をそれぞれ示す。第４図の場合と第
６図の場合は、それぞれ下方のスライドプレート
１と、上方のスライドプレート１が梁Ｄに固定さ
れる。 In these cases, stud bolts 3 for fixing to the shear wall B or the beam D are fixed to the outside of the slide plates 1, 1, and the adjustment device A is attached to the upper end, lower end, or middle part of the shear wall B. Figure 4,
It is attached by embedding stud bolts 3 as shown in FIG. Fig. 4 shows the case where it is attached to the lower end of the earthquake-resistant wall B, Fig. 5 shows the case where it is attached to the middle part, and Fig. 6 shows the case where it is attached to the upper end. In the case of FIG. 4 and the case of FIG. 6, the lower slide plate 1 and the upper slide plate 1 are fixed to the beam D, respectively.
調整装置Ａは以上の要領で耐震壁Ｂの一部に設
置されることによりその変形能力、すなわち復元
力特性を調整する。 Adjustment device A is installed on a part of seismic wall B in the manner described above to adjust its deformability, that is, its restoring force characteristics.
調整装置Ａは現場打ち鉄筋コンクリート造耐震
壁に限らず、プレキヤスト耐震壁、鋼板耐震壁や
ブレース等にも取り付けることが可能で、鉄筋コ
ンクリート造、鉄骨鉄筋コンクリート造、鉄骨造
建物等各種建物の耐震性能改善に利用される。 Adjustment device A can be installed not only on cast-in-place reinforced concrete shear walls, but also on precast shear walls, steel plate shear walls, braces, etc., and can be used to improve the seismic performance of various buildings such as reinforced concrete, steel reinforced concrete, and steel-framed buildings. used.
第７図は鉄骨造のブレースＣへの調整装置Ａの
適用例を示したものである。 FIG. 7 shows an example of application of the adjusting device A to a brace C of a steel frame structure.
第８図に比較のため従来の耐震壁と本発明の調
整装置Ａを設けた耐震壁Ｂの復元力特性を示す。
は従来の耐震壁の、，はそれぞれ調整装置
Ａのクリアランス１ｂ、すなわち可動範囲を1.0
cm，1.8cmに設定した耐震壁Ｂの特性である。 For comparison, FIG. 8 shows the restoring force characteristics of a conventional earthquake resistant wall and an earthquake resistant wall B provided with the adjustment device A of the present invention.
is the clearance 1b of the adjustment device A, that is, the movable range is 1.0 for the conventional shear wall.
cm, the characteristics of shear wall B set at 1.8 cm.
この図に示されるように調整装置Ａの明確な弾
性剛性と大きな弾性変形能力によつて、構造物の
弾性変形領域が飛躍的に向上し、また最大耐力も
増大することが、更にまた本装置の粘弾性特性に
より構造物の粘性減衰も増加し、耐震壁Ｂ、そし
て構造物の変形能力・最大耐力及び減衰特性を向
上させて構造物の耐震性能が大きく改善されるこ
とがわかる。 As shown in this figure, due to the clear elastic stiffness and large elastic deformation capacity of the adjusting device A, the elastic deformation area of the structure is dramatically improved, and the maximum proof stress is also increased. It can be seen that the viscous damping of the structure increases due to the viscoelastic properties of B, and the deformation capacity, maximum yield strength, and damping characteristics of the shear wall B and the structure are improved, and the seismic performance of the structure is greatly improved.
第９図は可撓性材料２として超塑性ゴムを使用
して耐震要素Ｂに減衰を付与した場合の性能を示
したものである。 FIG. 9 shows the performance when damping is imparted to the seismic element B using superplastic rubber as the flexible material 2.
〔発明の効果〕
この発明では以上の通り耐震要素の水平剛性を
それ以下の範囲で任意の値に設定することができ
るため、以下に列挙する効果を得ることができ
る。[Effects of the Invention] As described above, in the present invention, the horizontal stiffness of the seismic element can be set to any value within the range below, so that the following effects can be obtained.
設計上、耐震要素の水平剛性の評価を正確に
行うことができ、またその値を忠実に実現する
ことが容易となる。 In terms of design, it is possible to accurately evaluate the horizontal stiffness of seismic elements, and it is easy to faithfully realize that value.
この結果、耐震壁等の耐震要素は一般に必要
上に高い剛性を有し、地震力等の負担水平力が
過度に集中することが問題となるが、この事態
を回避し、適切な水平力を負担させることが可
能となる。 As a result, earthquake-resistant elements such as shear walls generally have unnecessarily high rigidity, resulting in the problem of excessive concentration of horizontal forces such as seismic forces. It becomes possible to make the burden bearable.
水平力の集中による耐震要素端部の浮き上が
りを防止することができる。 It is possible to prevent the end of the seismic element from lifting up due to concentration of horizontal force.
壁等の偏在による偏心率を低減することがで
きる。 Eccentricity due to uneven distribution of walls, etc. can be reduced.
耐震壁の変形能力が向上するためラーメン部
材が降伏するまで耐震壁における亀裂等の発生
が抑えられる。 Since the deformability of the shear wall is improved, the occurrence of cracks in the shear wall can be suppressed until the rigid frame member yields.
建物全体としての保有耐力を、ラーメン部材
の耐力（100％）＋耐震要素の耐力（100％）と
して評価することができ、従来よりも高い保有
耐力を期待できる。 The strength of the building as a whole can be evaluated as the strength of the rigid frame members (100%) + the strength of the seismic elements (100%), and a higher strength than before can be expected.
可撓性材料を選択することにより耐震要素に
減衰性能を付与することができる。 By selecting flexible materials, damping performance can be imparted to seismic elements.
第１図、第２図はそれぞれ第一、第二の発明の
製作例を示した側面図、第３図は他の製作例を示
したもので、は側面図、，はそれぞれのＸ
−Ｘ線断面図、Ｙ−Ｙ線断面図である。第４図、
第５図は耐震壁に第二の発明の装置を取付けた様
子を示したもので、は正面図、は断面図、第
６図は他の設置例を示した断面図、第７図−，
，はブレースに本装置を取り付けた様子を示
した正面図、第８図は従来及び本発明による耐震
壁、構造物の復元力特性図、第９図は超塑性ゴム
の性能を示した復元力特性図である。
Ａ……水平剛性調整装置、１……スライドプレ
ート、１ａ……リブ、１ｂ……クリアランス、２
……可撓性材料、３……スタツドボルト、Ｂ……
耐震壁、Ｃ……ブレース、Ｂ……梁。
Figures 1 and 2 are side views showing production examples of the first and second inventions, respectively, and Figure 3 shows another production example, where , is a side view, and , is the respective X
- They are a sectional view taken along the X line and a sectional view taken along the YY line. Figure 4,
Figure 5 shows the device of the second invention installed on a seismic wall, where is a front view, is a sectional view, Figure 6 is a sectional view showing another example of installation, and Figures 7-,
, is a front view showing the present device attached to a brace, Fig. 8 is a restoring force characteristic diagram of conventional and inventive shear walls and structures, and Fig. 9 is a restoring force showing the performance of superplastic rubber. It is a characteristic diagram. A... Horizontal rigidity adjustment device, 1... Slide plate, 1a... Rib, 1b... Clearance, 2
...Flexible material, 3...Studded bolt, B...
Shear wall, C...braces, B...beams.
Claims (1)
のスライドプレートからなり、一方のスライドプ
レートが互いに構造的に切り離された耐震要素の
一方側に、他方のスライドプレートが耐震要素の
他方側に固定され、耐震要素の相対水平変位によ
つて可撓性材料が水平方向にせん断変形しながら
スライドプレートが相対移動し、耐震要素の水平
剛性を可撓性材料の剛性に応じて調整することを
特徴とする耐震要素の水平剛性調整装置。 ２ スライドプレートと可撓性材料の境界面、も
しくは可撓性材料の内部には接着状態が切れた接
触面を持ち、スライドプレートの相対移動時の抵
抗力にはこの接触面における摩擦力が付加される
ことを特徴とする特許請求の範囲第１項記載の耐
震要素の水平剛性調整装置。 ３ 相互間に可撓性材料を介して対向する複数枚
のスライドプレートからなり、一方のスライドプ
レートが互いに構造的に切り離された耐震要素の
一方側に、他方のスライドプレートが耐震要素の
他方側に固定され、耐震要素の相対水平変位によ
つて可撓性材料が水平方向にせん断変形しながら
スライドプレートが相対移動し、耐震要素の水平
剛性を可撓性材料の剛性に応じて調整する装置で
あり、スライドプレートの対向する面には相対移
動方向の一定量の変位時に互いに接触してそれ以
上の変位を拘束するリブが突設されていることを
特徴とする耐震要素の水平剛性調整装置。 ４ スライドプレートと可撓性材料の境界面、も
しくは可撓性材料の内部には接着状態が切れた接
触面を持ち、スライドプレートの相対移動時の抵
抗力にはこの接触面における摩擦力が付加される
ことを特徴とする特許請求の範囲第３項記載の耐
震要素の水平剛性調整装置。 ５ 相互間に可撓性材料を介して対向する複数枚
のスライドプレートからなり、一方のスライドプ
レートが互いに構造的に切り離された耐震要素の
一方側に、他方のスライドプレートが耐震要素の
他方側に固定され、耐震要素の相対水平変位によ
つて可撓性材料が水平方向にせん断変形しながら
スライドプレートが相対移動し、耐震要素の水平
剛性を可撓性材料の剛性に応じて調整する装置で
あり、スライドプレートの少なくともいずれか一
方には、対向するスライドプレート間の距離が増
大する方向の一定量の相対変位時に他方側に係合
してそれ以上の変位を拘束する機構が付属してい
ることを特徴とする耐震要素の水平剛性調整装
置。[Claims] 1. Consisting of a plurality of slide plates facing each other with flexible materials interposed between them, one slide plate is placed on one side of an earthquake-resistant element that is structurally separated from each other, and the other slide plate is placed on one side of an earthquake-resistant element that is structurally separated from each other. is fixed to the other side of the seismic element, and the relative horizontal displacement of the seismic element causes the flexible material to undergo shear deformation in the horizontal direction while the slide plate moves relative to the seismic element, changing the horizontal stiffness of the seismic element to the stiffness of the flexible material. Horizontal stiffness adjustment device for seismic elements, characterized by adjusting according to. 2 The interface between the slide plate and the flexible material, or the inside of the flexible material, has a contact surface where the adhesive state is broken, and the frictional force on this contact surface is added to the resistance force when the slide plate moves relative to each other. A horizontal rigidity adjustment device for an earthquake-resistant element according to claim 1, characterized in that: 3 Consisting of a plurality of sliding plates facing each other with flexible material interposed between them, one sliding plate on one side of the seismic element that is structurally separated from each other, and the other sliding plate on the other side of the seismic element. A device that adjusts the horizontal stiffness of the seismic element according to the stiffness of the flexible material by moving the slide plate while the flexible material is sheared in the horizontal direction due to the relative horizontal displacement of the seismic element. A horizontal rigidity adjustment device for an earthquake-resistant element, characterized in that opposing surfaces of the slide plate are provided with protruding ribs that come into contact with each other when a certain amount of displacement in the relative movement direction occurs and restrain further displacement. . 4 At the interface between the slide plate and the flexible material, or inside the flexible material, there is a contact surface where the adhesive state is broken, and the frictional force at this contact surface is added to the resistance force when the slide plate moves relative to each other. A horizontal rigidity adjustment device for an earthquake-resistant element according to claim 3, characterized in that: 5 Consisting of a plurality of sliding plates facing each other with flexible material interposed between them, one sliding plate on one side of an earthquake-resistant element that is structurally separated from each other, and the other sliding plate on the other side of an earthquake-resistant element. A device that adjusts the horizontal stiffness of the seismic element according to the stiffness of the flexible material by moving the slide plate while the flexible material is sheared in the horizontal direction due to the relative horizontal displacement of the seismic element. At least one of the slide plates is provided with a mechanism that engages with the other side and restrains further displacement when a certain amount of relative displacement occurs in a direction in which the distance between the opposing slide plates increases. Horizontal rigidity adjustment device for seismic elements characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25259286A JPS63107659A (en) | 1986-10-23 | 1986-10-23 | Apparatus for adjusting horizontal rigidity of earthquake resistant element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25259286A JPS63107659A (en) | 1986-10-23 | 1986-10-23 | Apparatus for adjusting horizontal rigidity of earthquake resistant element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63107659A JPS63107659A (en) | 1988-05-12 |
| JPH0372784B2 true JPH0372784B2 (en) | 1991-11-19 |
Family
ID=17239511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25259286A Granted JPS63107659A (en) | 1986-10-23 | 1986-10-23 | Apparatus for adjusting horizontal rigidity of earthquake resistant element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63107659A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6718676B2 (en) * | 2015-12-24 | 2020-07-08 | 大成建設株式会社 | Seismic control stud structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3691712A (en) * | 1969-05-13 | 1972-09-19 | Monsanto Co | Damping system |
| JPS5428226A (en) * | 1977-08-06 | 1979-03-02 | Nippon Steel Corp | Measuring device for roll separation of multiicontinous roll apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62187157U (en) * | 1986-05-19 | 1987-11-28 |
-
1986
- 1986-10-23 JP JP25259286A patent/JPS63107659A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3691712A (en) * | 1969-05-13 | 1972-09-19 | Monsanto Co | Damping system |
| JPS5428226A (en) * | 1977-08-06 | 1979-03-02 | Nippon Steel Corp | Measuring device for roll separation of multiicontinous roll apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63107659A (en) | 1988-05-12 |
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