JP4414832B2 - Seismic walls using corrugated steel plates with openings - Google Patents

Seismic walls using corrugated steel plates with openings Download PDF

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JP4414832B2
JP4414832B2 JP2004221293A JP2004221293A JP4414832B2 JP 4414832 B2 JP4414832 B2 JP 4414832B2 JP 2004221293 A JP2004221293 A JP 2004221293A JP 2004221293 A JP2004221293 A JP 2004221293A JP 4414832 B2 JP4414832 B2 JP 4414832B2
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義弘 太田
洋文 金子
覚 相澤
崇博 毛井
崇 池田
直木 麻生
恭章 平川
一臣 中根
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株式会社竹中工務店
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この発明は、構造物の地震応答や風荷重応答を制御し又は抑制することを可能にする波形鋼板を用いた耐震壁の技術分野に属し、更に云えば、柱・梁架構又は柱・スラブ架構の面内に組み入れられる波形鋼板に開口部を設置可能とした耐震壁に関する。   The present invention belongs to the technical field of earthquake-resistant walls using corrugated steel plates that can control or suppress the seismic response and wind load response of structures, and more specifically, a column / beam frame or a column / slab frame. It is related with the earthquake-resistant wall which made it possible to install an opening part in the corrugated steel plate incorporated in the plane of the.

従来、耐震壁としては、現場打ちコンクリート造又はプレキャストのコンクリート壁構造が一般的に採用されている。しかし、コンクリート壁は、強度と剛性の制御が難しく、所定の強度を保持しつつ変形能力を期待することが難しい。強度を大きくするべく鉄筋量を増やしたり壁厚を大きくすると、必然的に剛性も大きくなるし、面外力に対する剛性も大きくなるからである。また、コンクリート壁は非常に重く、構造物の躯体荷重が大きくなるという問題点も見逃せない。
したがって、耐震壁に要求される性能は、躯体重量が大きくならない程度で剛性と強度を適切に設計すること、云い換えれば地震力に対する強度が大きく、しかも高耐力での変形性能(靱性)に優れる可変剛性機能を満たすことである。
Conventionally, a cast-in-place concrete structure or a precast concrete wall structure is generally employed as the earthquake resistant wall. However, it is difficult to control the strength and rigidity of a concrete wall, and it is difficult to expect deformation ability while maintaining a predetermined strength. This is because increasing the amount of reinforcing bars or increasing the wall thickness to increase the strength inevitably increases the rigidity and also increases the rigidity against the out-of-plane force. In addition, the concrete wall is very heavy, and the problem that the load of the structure on the frame becomes large cannot be overlooked.
Therefore, the performance required for the shear wall is to design the rigidity and strength appropriately without increasing the weight of the frame. In other words, the strength against seismic force is high, and the deformation performance (toughness) is high with high strength. To meet the variable stiffness function.

これらの要素を顧みて、本出願人により先に特許出願した非特許文献1、2の耐震壁及び制震壁には、所謂波形鋼板が持つ、面内の曲げ及び剪断に対する剪断耐力及び剛性が大きくて、剛性及び強度設計の自由度が高く、鉛直軸力及び面外方向の曲げ力に対する抵抗が小さいという力学特性を利用するべく、前記波形鋼板を、その折り筋を水平方向の配置で構造物の柱・梁架構若しくは柱・スラブ架構(コア部を含む)の面内に組み入れて、一定の強度を保持しつつも変形性能を十分に期待でき、軽量で現場での取付けが簡単な耐震壁及び制震壁が発案されている。   In consideration of these factors, the shear walls and damping walls of Non-Patent Documents 1 and 2 previously filed by the applicant of the present application have the shear strength and rigidity against in-plane bending and shearing of the corrugated steel sheet. In order to take advantage of the mechanical properties of large, high rigidity and strength design freedom, and low resistance to vertical axial force and bending force in the out-of-plane direction, the corrugated steel plate is constructed with its folding line arranged horizontally. It is incorporated in the surface of a pillar / beam frame or pillar / slab frame (including the core part) of the object, it can be expected to have sufficient deformation performance while maintaining a certain strength, and it is lightweight and easy to install on site. Walls and damping walls have been proposed.

また、波形鋼板を使用した幾つかの発明も開示されている。例えば、下記の特許文献1にはデッキプレート(波形鋼板)をその波形の筋が水平方向となる配置で柱・梁架構の面内へ組み入れ、その上縁及び左右縁を柱梁へ装着した波形板製遮災壁が開示されている。   Several inventions using corrugated steel sheets are also disclosed. For example, in the following Patent Document 1, a deck plate (corrugated steel plate) is incorporated in the plane of a column / beam frame in such a manner that the corrugated streak is in the horizontal direction, and the upper edge and the left and right edges are attached to the column beam. A plate-made disaster barrier is disclosed.

更に特許文献2には、波板(波形鋼板)によって構築される波板製構造物に窓等の矩形状開口部を設けた波板製構造物の開口部構造が開示されている。   Further, Patent Document 2 discloses an opening structure of a corrugated sheet structure in which rectangular corrugated openings such as windows are provided in a corrugated sheet structure constructed of corrugated sheets (corrugated steel sheets).

特願2004−42196号Japanese Patent Application No. 2004-42196 特願2004−42223号Japanese Patent Application No. 2004-42223 特開2003−176582号公報JP 2003-176582 A 特許第3506528号公報Japanese Patent No. 3506528

上述した上記非特許文献1、2は、波形鋼板の力学特性を利用して制震性能及び耐震性能を向上させる構成は注目に値する。しかし、いずれも窓や戸(ドア)等の所謂開口部を設けない構成である。そのため波形鋼板の設置箇所が限定されて波形鋼板がもつ力学特性を構造物全体に十分発揮させることができない。のみならず設計の自由度が制限されるという問題点がある。   In the above-mentioned Non-Patent Documents 1 and 2, the configuration for improving the vibration control performance and the earthquake resistance performance using the mechanical characteristics of the corrugated steel plate is notable. However, all have a configuration in which a so-called opening such as a window or a door is not provided. Therefore, the installation location of the corrugated steel sheet is limited, and the mechanical properties of the corrugated steel sheet cannot be fully exerted on the entire structure. In addition, there is a problem that the degree of freedom of design is limited.

また、特許文献1の発明も波形鋼板をその柱・梁架構の面内へ装着する構成であるが、そもそもこの波形鋼板は、火災その他の災害を防ぐことを目的として装着された遮災壁である。したがって、振動時において耐震機能を発揮する目的の耐震壁には適用できない構成である。また、開口部を設ける構成でもない。   The invention of Patent Document 1 also has a configuration in which a corrugated steel plate is mounted in the plane of the column / beam frame. This corrugated steel plate is originally a disaster-preventing wall mounted for the purpose of preventing fires and other disasters. is there. Therefore, this structure cannot be applied to a seismic wall intended to exhibit a seismic function during vibration. Moreover, it is not the structure which provides an opening part.

波形鋼板に開口部を設けた特許文献2の発明は、波板(波形鋼板)によって構築される波板製構造物の所望箇所に開口部を設けるもので、本発明が目的とする柱・梁架構又は柱・スラブ架構の面内に組み入れられる波形鋼板に適用できるものではない。   In the invention of Patent Document 2 in which an opening is provided in a corrugated steel sheet, an opening is provided in a desired location of a corrugated sheet structure constructed by corrugated sheets (corrugated steel sheets). It cannot be applied to corrugated steel sheets incorporated in the frame or in the plane of columns / slab frames.

本発明の目的は、開口部が必要な架構面内においても波形鋼板を用いた耐震壁を実施可能とし、既存構造物にも適用でき、構造物の躯体重量の軽量化を実現し、更には設計の自由度を向上させる耐震壁を提供することにある。   The object of the present invention is to make it possible to implement a seismic wall using corrugated steel plates even in a frame where an opening is required, and can be applied to existing structures, realizing a reduction in the weight of the frame of the structure, and The purpose is to provide a seismic wall that improves the degree of freedom of design.

上述した従来技術の課題を解決するための手段として、請求項1に記載した発明に係る開口部を有する波形鋼板を用いた耐震壁は、
水平力で層間変形を発生する柱・梁架構又は柱・スラブ架構の面内に、波形鋼板がその折り筋を水平方向に向けて、且つ水平剪断力には抵抗するが鉛直軸力及び面外方向の曲げに対する抵抗は小さい構成で水平力を伝達可能に組み入れられており、
前記波形鋼板に開口部が形成されており、同開口部の口縁部に縦補剛板と横補剛板とから成るフレーム枠が組み立てられていることを特徴とする。
As means for solving the above-mentioned problems of the prior art, a seismic wall using a corrugated steel sheet having an opening according to the invention described in claim 1 is:
The corrugated steel plate has its folds oriented in the horizontal direction and resists horizontal shearing force in the plane of the column / beam frame or column / slab frame that generates inter-layer deformation by horizontal force, but it is resistant to vertical shear force and out of plane. The resistance to bending in the direction is incorporated so that horizontal force can be transmitted in a small configuration,
An opening is formed in the corrugated steel sheet, and a frame frame made up of a vertical stiffening plate and a horizontal stiffening plate is assembled at the mouth edge of the opening.

請求項2に記載した発明に係る開口部を有する波形鋼板を用いた耐震壁は、
水平力で層間変形を発生するコア部の柱・梁架構又は柱・スラブ架構の面内に、波形鋼板がその折り筋が水平方向に向けて、且つ水平剪断力には抵抗するが鉛直軸力及び面外方向の曲げに対する抵抗は小さい構成で水平力を伝達可能に組み入れられており、
前記波形鋼板に開口部が形成されており、同開口部の口縁部に縦補剛板と横補剛板とから成るフレーム枠が組み立てられていることを特徴とする。
The earthquake-resistant wall using the corrugated steel sheet having the opening according to the invention described in claim 2 is:
Corrugated steel sheet is placed in the plane of the core column / beam frame or column / slab frame that generates inter-layer deformation by horizontal force. And the resistance to bending in the out-of-plane direction is incorporated so that a horizontal force can be transmitted in a small configuration,
An opening is formed in the corrugated steel sheet, and a frame frame made up of a vertical stiffening plate and a horizontal stiffening plate is assembled at the mouth edge of the opening.

請求項3記載の発明は、請求項1又は2に記載した開口部を有する波形鋼板を用いた耐震壁において、
柱・梁架構又は柱・スラブ架構の面内に組み入れられた波形鋼板は、開口部の縦辺に沿って配置される波形鋼板と、開口部の上又は上下の水平辺に沿って配置される波形鋼板とから成り、前記開口部の縦辺及び水平辺に沿って補剛板が組み立てられ、前記波形鋼板で負担した水平剪断力は縦・横の補剛板で抵抗し架構へ伝達する構成としたことを特徴とする。
Invention of Claim 3 is in the earthquake-resistant wall using the corrugated steel plate which has the opening part described in Claim 1 or 2,
The corrugated steel sheet incorporated in the plane of the column / beam frame or the column / slab frame is disposed along the corrugated steel sheet arranged along the vertical side of the opening and the horizontal side above or below the opening. Consists of corrugated steel plates, stiffening plates are assembled along the vertical and horizontal sides of the opening, and the horizontal shearing force borne by the corrugated steel plates is resisted by the vertical and horizontal stiffening plates and transmitted to the frame It is characterized by that.

請求項4記載の発明は、請求項1又は2に記載した開口部を有する波形鋼板を用いた耐震壁において、
縦辺に沿って配置された波形鋼板には、標準鋼板と略同等の剪断耐力となるように板厚を厚くし又は強度が大きい波形鋼板が用いられていることを特徴とする。
Invention of Claim 4 is in the earthquake-resistant wall using the corrugated steel plate which has the opening part described in Claim 1 or 2,
The corrugated steel sheet arranged along the vertical side is characterized by using a corrugated steel sheet having a large thickness or a high strength so as to have a shear strength substantially equivalent to that of a standard steel sheet.

請求項1〜4に記載した発明に係る開口部を有する波形鋼板を用いた耐震壁は、以下のような効果を奏する。
(1)開口部が必要な架構面内においても波形鋼板を用いた耐震壁を実現できるので構造物全体に波形鋼板の有する力学的特性を十分に発揮させて耐震性能を向上できる。
(2)コンクリート壁と比して軽量な波形鋼板を構造物全体に配置可能であるため構造物の躯体重量を軽量化することができる。
(3)波形鋼板の設置箇所が限定されないために設計の自由度が向上する。
(4)波形鋼板は簡易に着脱できる構成であるため施工性が良いのみならず既存の構造物においても実施可能である。
The earthquake-resistant wall using the corrugated steel sheet having the opening according to the invention described in claims 1 to 4 has the following effects.
(1) Since a seismic wall using a corrugated steel plate can be realized even in a frame surface that requires an opening, the mechanical properties of the corrugated steel plate can be fully exerted on the entire structure and the seismic performance can be improved.
(2) Since a corrugated steel plate that is lighter than a concrete wall can be disposed on the entire structure, the weight of the structure can be reduced.
(3) Since the installation location of the corrugated steel sheet is not limited, the degree of freedom in design is improved.
(4) Since the corrugated steel plate can be easily attached and detached, the corrugated steel sheet can be applied not only to the workability but also to existing structures.

水平力で層間変形を発生する柱・梁架構又は柱・スラブ架構の面内に、波形鋼板5がその折り筋を水平方向に向けて、且つ水平剪断力には抵抗するが鉛直軸力及び面外方向の曲げに対する抵抗が小さい構成で水平力を伝達可能に組み入れる構成である。   The corrugated steel sheet 5 has its fold line oriented in the horizontal direction and resists the horizontal shearing force in the plane of the column / beam frame or the column / slab frame that generates the interlayer deformation by the horizontal force, but the vertical axial force and surface In this configuration, horizontal force can be transmitted in a configuration with low resistance to outward bending.

前記波形鋼板5には開口部4が形成されており、同開口部4の口縁部に縦補剛板41と横補剛板42とから成るフレーム枠40が組み立てられている。   An opening 4 is formed in the corrugated steel plate 5, and a frame frame 40 including a vertical stiffening plate 41 and a horizontal stiffening plate 42 is assembled at the mouth edge of the opening 4.

図1は窓型の開口部を有する波形鋼板を用いた耐震壁の一実施例を示している。図2は戸型の開口部を有する波形鋼板を用いた耐震壁の一実施例を示している。これらは、水平力で層間変形を発生する柱・梁架構1又は柱・スラブ架構1(以下、単に架構1と云う。)の代表例である。   FIG. 1 shows an embodiment of a seismic wall using a corrugated steel plate having a window-shaped opening. FIG. 2 shows an example of a seismic wall using a corrugated steel plate having a door-shaped opening. These are representative examples of a column / beam frame 1 or a column / slab frame 1 (hereinafter simply referred to as frame 1) that generates an interlayer deformation by a horizontal force.

図1及び図2はほぼ同様の技術的思想であるので図1を具体的に説明し、図2は図1との相違点のみ逐次説明する。   1 and 2 are substantially the same technical idea, FIG. 1 will be described in detail, and FIG. 2 will be described in order only with respect to differences from FIG.

本発明は、図1が示すように、両側の柱2、2と上下の梁(以下、スラブも含む)3、3とで成る架構1の面内に波形鋼板5がその折り筋を水平方向に向けて且つ水平剪断力には抵抗するが鉛直軸力及び面外方向の曲げに対する抵抗が小さい構成で水平力を伝達可能に組み入れる構成とされており、特に前記波形鋼板5に開口部4が形成されることを特徴とする。   In the present invention, as shown in FIG. 1, a corrugated steel plate 5 has its folding line in a horizontal direction in a plane of a frame 1 composed of columns 2 and 2 on both sides and upper and lower beams (hereinafter also including slabs) 3 and 3. And the horizontal shearing force is resisted, but the vertical axial force and the resistance to bending in the out-of-plane direction are small, so that the horizontal force can be transmitted. In particular, the corrugated steel plate 5 has an opening 4. It is formed.

前記架構1の面内に組み入れられる波形鋼板5は、開口部4の縦辺に沿って配置される波形鋼板50と、開口部4の水平辺に沿って配置される波形鋼板51とから形成されている。前記開口部4の口縁部には、その縦辺及び水平辺に沿って縦補剛板41と横補剛板42とから成るフレーム枠40が組み立てられている。
図2に示す戸型の開口部4の場合のフレーム枠40は、図示例の如く下位の横補剛板42については梁3が代わりとなるため積極的に設置する必要はない。もちろん、必要に応じて設置することも可能である。
The corrugated steel sheet 5 incorporated in the surface of the frame 1 is formed of a corrugated steel sheet 50 disposed along the vertical side of the opening 4 and a corrugated steel sheet 51 disposed along the horizontal side of the opening 4. ing. A frame frame 40 including a vertical stiffening plate 41 and a horizontal stiffening plate 42 is assembled at the mouth edge of the opening 4 along the vertical and horizontal sides.
The frame frame 40 in the case of the door-shaped opening 4 shown in FIG. 2 does not need to be actively installed because the beam 3 is substituted for the lower lateral stiffening plate 42 as in the illustrated example. Of course, it can also be installed as required.

前記波形鋼板50、50は、両側の縦補剛板41、41とその折り筋が水平方向となる配置で溶接接合される。また同様に前記波形鋼板51、51は上下の横補剛板42、42とその折筋が水平方向となる配置で溶接接合される。更に、前記波形鋼板50と波形鋼板51とは、その接触辺を溶接接合して連結する。上記のような構成により、前記各波形鋼板50、51で負担した水平剪断力は縦・横の補剛板41、42で抵抗し架構1へ伝達する(請求項3記載の発明)。図2の戸型の開口部4の場合は、前記波形鋼板51は上方にのみ配置され上位の横補剛板42のみと溶接接合される。   The corrugated steel plates 50 and 50 are welded and joined in such a manner that the vertical stiffening plates 41 and 41 on both sides and the creases thereof are in the horizontal direction. Similarly, the corrugated steel plates 51, 51 are welded together in such an arrangement that the upper and lower horizontal stiffening plates 42, 42 and their folds are in the horizontal direction. Further, the corrugated steel plate 50 and the corrugated steel plate 51 are connected by welding their contact sides. With the configuration as described above, the horizontal shearing force applied by the corrugated steel plates 50 and 51 is resisted by the vertical and horizontal stiffening plates 41 and 42 and transmitted to the frame 1 (invention according to claim 3). In the case of the door-shaped opening 4 in FIG. 2, the corrugated steel plate 51 is disposed only upward and is welded to only the upper lateral stiffening plate 42.

開口部4の縦辺に沿って配置された波形鋼板50は、波形鋼板51に比べて開口部4の分だけ断面積が少なく剪断耐力が低い。そのため波形鋼板51と略同等の剪断耐力となるように板厚を厚くするか又は強度の高い波形鋼板を用いることにより十分な剪断耐力を保持することがより好ましい(請求項4記載の発明)。   The corrugated steel plate 50 arranged along the vertical side of the opening 4 has a smaller cross-sectional area by the amount of the opening 4 than the corrugated steel plate 51 and has a low shear strength. Therefore, it is more preferable to maintain a sufficient shear strength by increasing the thickness of the corrugated steel plate 51 so that the shear strength is substantially equal to that of the corrugated steel plate 51 or by using a corrugated steel plate having high strength.

勿論、波形鋼板50で鉛直軸力及び面外方向の曲げを早期に降伏させてエネルギー吸収をすることを主目的とする場合には、波形鋼板51と同耐力のものを使用することも考えられる。   Of course, when the main purpose is to absorb the energy by yielding the vertical axial force and the bending in the out-of-plane direction at an early stage with the corrugated steel sheet 50, it is also possible to use the corrugated steel sheet 51 having the same proof strength. .

前記波形鋼板50及び波形鋼板51は折板状になっており、その形状が例えば矩形波形状に形成されて力学的特性を得られるものとされている。前記波形鋼板4の断面形状はこの限りではなく、図7A〜Dに示したような種々の形状で実施できる。
力学的特性としては水平剪断力に対しては、前記波形鋼板51、波形鋼板50の折板になっている一枚一枚が剪断力に対して十分に抵抗し、その集合として全体が水平剪断力に十分に抵抗する。RC壁と比して十分に高い剪断強度を有し、且つ剪断強度を保持したまま変形が進むといった靱性に優れた性状を発揮して高い変形性能を可能とする。
The corrugated steel plate 50 and the corrugated steel plate 51 are formed in a folded plate shape, and the shape thereof is formed in, for example, a rectangular wave shape to obtain mechanical characteristics. The cross-sectional shape of the corrugated steel plate 4 is not limited to this, and can be implemented in various shapes as shown in FIGS.
As a mechanical characteristic, each of the corrugated steel sheet 51 and the corrugated steel sheet 50 that is a folded plate sufficiently resists the shearing force with respect to the horizontal shearing force. Resist enough to force. It has a sufficiently high shear strength as compared with the RC wall, and exhibits a property excellent in toughness such that the deformation proceeds while maintaining the shear strength, thereby enabling a high deformation performance.

しかも、剪断剛性及び強度は、鋼板の材質固有の強度の他に、板厚の大きさ(通例9mm〜22mm程度)、重ね合わせの枚数、ピッチ(通例500mm〜700mm程度)及び波高の大きさ(通例80mm〜150mm程度)などの設計の如何により自在に設計することができる。   In addition to the strength inherent to the material of the steel sheet, the shear rigidity and strength are the thickness (typically about 9 mm to 22 mm), the number of superimposed sheets, the pitch (typically about 500 mm to 700 mm), and the wave height ( It is possible to design freely according to the design such as (typically about 80 mm to 150 mm).

また、前記波形鋼板50及び波形鋼板51は折板になっているので、波形の筋に直角な鉛直軸力に対してはアコーディオンの如くに自由に伸び縮みし、剛性耐力がはるかに小さい。波形面内の曲げに対しても、同様にアコーディオンの如く自由に伸び縮みして圧縮及び引っ張りを許容するので、剛性、耐力が小さい。一方、波形の折り筋に垂直な方向の面外力(曲げ及び剪断)に対する剛性、耐力は、折板になっているので十分大きいが、波形の折り筋に平行な方向の面外力(曲げ及び剪断)に対しては、折板になっているが故に抵抗が小さくなるという力学特性を発揮する。また、波形鋼板50、51はPC壁と比して軽量であるので構造物全体の躯体重量を低減させることができる。   Further, since the corrugated steel plate 50 and the corrugated steel plate 51 are folded plates, the vertical axial force perpendicular to the corrugated streak freely expands and contracts like an accordion, and the rigidity proof stress is much smaller. Similarly, bending and bending within the corrugated surface can be freely expanded and contracted like an accordion to allow compression and tension, so that rigidity and yield strength are small. On the other hand, the rigidity and proof stress against the out-of-plane force (bending and shearing) in the direction perpendicular to the corrugated folding line is sufficiently large because it is a folded plate, but the out-of-plane force (bending and shearing) in the direction parallel to the corrugating folding line. ) Exhibits a mechanical characteristic that resistance is reduced because it is a folded plate. Moreover, since the corrugated steel plates 50 and 51 are lighter than the PC wall, the weight of the entire structure can be reduced.

次に、開口部を有する波形鋼板5と架構1との接合方法を説明する。
前記架構1の柱2及び梁3が現場打ちの鉄筋コンクリート造若しくは鉄骨鉄筋コンクリート造、又は鉄骨造の場合は、既往技術として知られているので図示を省略したが、波形鋼板5の周辺部に例えばスタッド等の剪断伝達要素を設けて、柱・梁架構又は柱・スラブ架構のコンクリート部分の中へ埋め込み水平力の伝達が可能に接合される。更には、層間剪断変形を許容するスリットを設けたり、前記スリットに発泡スチロール成形品等の剪断吸収部材を充填させることも考えられる。
Next, a method for joining the corrugated steel plate 5 having the opening and the frame 1 will be described.
In the case where the column 2 and the beam 3 of the frame 1 are reinforced concrete structure, steel reinforced concrete structure, or steel structure, which is on-site, it is known as a conventional technique and is not shown in the figure. By providing a shear transmission element such as a pillar / beam frame or a concrete part of a column / slab frame, an embedded horizontal force can be transmitted. Furthermore, it is also conceivable to provide a slit that allows interlaminar shear deformation, or to fill the slit with a shear absorbing member such as a foamed polystyrene molded product.

前記架構1の柱2及び梁3がプレキャスト製の鉄筋コンクリート造若しくは鉄骨鉄筋コンクリート造、又は鉄骨造の場合は、やはり既往技術として知られているので図示を省略したが、架構の内周面にジョイント部材を設け、このジョイント部材と前記波形鋼板5の周辺部とがボルト止め又は溶接等の手段で水平力の伝達が可能に接合される。   In the case where the column 2 and the beam 3 of the frame 1 are precast reinforced concrete, steel reinforced concrete, or steel frame, they are also known in the art and are not shown in the figure. The joint member and the peripheral portion of the corrugated steel plate 5 are joined together by means such as bolting or welding so that a horizontal force can be transmitted.

したがって本発明の耐震壁は、上記のような簡易な方法により開口部を設置したい架構面内においても波形鋼板を用いた耐震壁が実施可能となり、波形鋼板の力学的特性を構造物全体に制限無く自由に発揮させることができ、もっては制震性能及び耐震性能を向上させるものとなる。また、作業効率が向上するのみならず、取り外しも容易に可能として既存の構造物に実施することができる。   Therefore, the shear wall of the present invention can be implemented using a corrugated steel plate even in the frame where the opening is to be installed by the simple method as described above, and the mechanical properties of the corrugated steel plate are limited to the entire structure. It can be freely used without any problems, and the seismic performance and seismic performance can be improved. Further, not only the work efficiency is improved, but also the removal can be easily performed and it can be carried out on the existing structure.

波形鋼板50及び波形鋼板51で成る開口部を有する波形鋼板5と架構1の接合方法の他の実施例として、波形鋼板5と架構1とは、該架構1を形成する柱2又は梁3の少なくともいずれか一方にのみスタッド等の剪断力伝達要素6を設け、同剪断力伝達要素6と波形鋼板5とが水平力を伝達可能に接合することも実施される。すると、接合工程が減少するので施工効率が向上する。以下、実施例3〜実施例5も同様に、柱又は梁の何れか一方とのみ剪断力伝達要素6により接合できる点を先に記載しておく。   As another embodiment of the method of joining the corrugated steel plate 5 having the opening made of the corrugated steel plate 50 and the corrugated steel plate 51 and the frame 1, the corrugated steel plate 5 and the frame 1 are composed of the columns 2 or the beams 3 forming the frame 1. It is also possible to provide a shearing force transmission element 6 such as a stud only on at least one of them and to join the shearing force transmission element 6 and the corrugated steel plate 5 so as to be able to transmit a horizontal force. Then, since a joining process decreases, construction efficiency improves. Hereinafter, it is described in advance that the third to fifth embodiments can be joined to the column or the beam by the shear force transmitting element 6 in the same manner.

図3は開口部4を有する波形鋼板5を用いた耐震壁の実施例3を示している。即ち、波形鋼板5と架構1とは、波形鋼板50及び波形鋼板51で成る波形鋼板5の外周辺に接合用フレーム枠52が形成され、架構側の内周面にスタッド等の剪断伝達要素6を設け、同剪断力伝達要素6と波形鋼板5の結合用フレーム枠52とが水平力を伝達可能に接合する。   FIG. 3 shows a third example of a seismic wall using a corrugated steel plate 5 having an opening 4. That is, the corrugated steel plate 5 and the frame 1 are formed by forming a joining frame frame 52 on the outer periphery of the corrugated steel plate 5 composed of the corrugated steel plate 50 and the corrugated steel plate 51, and a shear transmission element 6 such as a stud on the inner peripheral surface on the frame side. The shearing force transmitting element 6 and the frame frame 52 for joining the corrugated steel plates 5 are joined so as to be able to transmit a horizontal force.

図4は開口部4を有する波形鋼板5を用いた耐震壁の実施例4を示している。即ち、架構1の柱2と梁3がプレキャスト鉄筋コンクリート造又はプレキャスト鉄骨鉄筋コンクリート若しくは鉄骨造である場合に、予め架構1の内周面に剪断力伝達要素6を介して接合されたフレーム枠7を埋め込んでおく。波形鋼板5の外周辺は実施例3の如く接合用フレーム枠52が形成されており、前記フレーム7枠内へ前記接合用フレーム枠52を嵌め込んで両者がボルト止め又は溶接接合して固定される。既存構造物の場合には架構1の柱2、梁3に向かってアンカーボルト等を打ち込んでボルト止め等により前記フレーム枠7を接合する。   FIG. 4 shows a fourth example of a seismic wall using a corrugated steel plate 5 having an opening 4. That is, when the column 2 and the beam 3 of the frame 1 are precast reinforced concrete, precast steel reinforced concrete, or steel frame, the frame frame 7 that is previously joined to the inner peripheral surface of the frame 1 via the shear force transmitting element 6 is embedded. Leave in. The outer periphery of the corrugated steel plate 5 is formed with a joining frame frame 52 as in the third embodiment, and the joining frame frame 52 is fitted into the frame 7 frame, and both are fixed by bolting or welding. The In the case of an existing structure, an anchor bolt or the like is driven toward the column 2 and beam 3 of the frame 1, and the frame frame 7 is joined by bolting or the like.

図5は開口部4を有する波形鋼板5を用いた耐震壁の実施例5を示している。即ち、
波形鋼板5と架構1とは、波形鋼板5の外周辺に設けられた接合用フレーム枠52が架構1の面内に組み入れられ、前記架構1の内周面には予めナット60が埋め込まれており、前記接合用フレーム枠52が前記ナット60へねじ込んだボルトにより固定されている。
FIG. 5 shows a fifth example of a seismic wall using a corrugated steel plate 5 having an opening 4. That is,
In the corrugated steel plate 5 and the frame 1, a joining frame frame 52 provided on the outer periphery of the corrugated steel plate 5 is incorporated in the surface of the frame 1, and a nut 60 is embedded in the inner peripheral surface of the frame 1 in advance. The joining frame 52 is fixed by a bolt screwed into the nut 60.

図6は請求項2に記載した開口部を有する波形鋼板を用いた耐震壁の実施例を示す。この実施例6は実施例1とほぼ同様の技術的思想に立脚するので、以下には両者の相違点を中心に説明する。
実施例6は、波形鋼板50及び波形鋼板51で成る開口部を有する波形鋼板5を、コア部Rのコア柱20とコア梁30架構1の面内に実施したことを特徴とする。前記架構1と前記開口部5を有する波形鋼板5との接合方法は、実施例1〜5に記載したいずれかの方法が実施される。
FIG. 6 shows an example of a seismic wall using a corrugated steel sheet having an opening according to claim 2. Since the sixth embodiment is based on substantially the same technical idea as the first embodiment, the following description will focus on the differences between the two.
The sixth embodiment is characterized in that the corrugated steel sheet 5 having an opening made of the corrugated steel sheet 50 and the corrugated steel sheet 51 is implemented in the plane of the core column 20 and the core beam 30 frame 1 of the core part R. As a method of joining the frame 1 and the corrugated steel plate 5 having the opening 5, any one of the methods described in Examples 1 to 5 is performed.

前記波形鋼板5がコア部Rの上下方向に連層した構成である場合には、図示を省略したが、コア部Rのコア柱20にスタッド等の剪断力伝達要素6が設けられ、同剪断力伝達要素6と前記波形鋼板5の縦辺とが水平力の伝達が可能に接合される。   In the case where the corrugated steel plate 5 has a configuration in which the corrugated steel plates 5 are stacked in the vertical direction of the core portion R, the shear force transmitting element 6 such as a stud is provided on the core column 20 of the core portion R, and the shearing is performed. The force transmission element 6 and the vertical side of the corrugated steel plate 5 are joined so that a horizontal force can be transmitted.

以下に実施形態を図面に基づいて説明したが、本発明は、図示例の実施形態の限りではなく、その技術的思想は逸脱しない範囲において、当業者が通常に行う設計の変更、応用のバリエーションを含むことを念のため言及する。   The embodiments have been described below with reference to the drawings. However, the present invention is not limited to the illustrated embodiments, and changes in design and application variations that are usually performed by those skilled in the art without departing from the technical spirit of the invention. I mention it just in case.

本発明に係る開口部を有する波形鋼板を用いた耐震壁の窓型の開口部へ実施した一例を示した図である。It is the figure which showed the example implemented to the window-type opening part of the earthquake-resistant wall using the corrugated steel plate which has an opening part which concerns on this invention. 本発明に係る開口部を有する波形鋼板を用いた耐震壁の戸型の開口部へ実施した一例を示した図である。It is the figure which showed the example implemented to the door-shaped opening part of the earthquake-resistant wall using the corrugated steel plate which has an opening part which concerns on this invention. 本発明の実施例3を示した図である。It is the figure which showed Example 3 of this invention. 本発明の実施例4を示した図である。It is the figure which showed Example 4 of this invention. 本発明の実施例5を示した図である。It is the figure which showed Example 5 of this invention. 本発明の実施例6を示した図である。It is the figure which showed Example 6 of this invention. A〜Dは波形鋼板の異なる断面形状を示した説明図である。AD is explanatory drawing which showed the different cross-sectional shape of a corrugated steel plate.

符号の説明Explanation of symbols

1 架構
2 柱
20 コア柱
3 梁(又はスラブ)
4 開口部
40 フレーム枠(開口部側)
41 縦補剛板
42 横補剛板
5 波形鋼板
50 波形鋼板(上又は上下)
51 波形鋼板(両側)
52 フレーム枠(波形鋼板側)
6 剪断力伝達要素(スタッド)
7 フレーム枠(架構側)
1 frame 2 pillar 20 core pillar 3 beam (or slab)
4 Opening 40 Frame frame (opening side)
41 Vertical stiffening plate 42 Horizontal stiffening plate 5 Corrugated steel plate 50 Corrugated steel plate (up or down)
51 Corrugated steel sheet (both sides)
52 Frame (corrugated steel plate side)
6 Shear force transmission element (stud)
7 Frame frame (frame side)

Claims (4)

水平力で層間変形を発生する柱・梁架構又は柱・スラブ架構の面内に、波形鋼板がその折り筋を水平方向に向けて、且つ水平剪断力には抵抗するが鉛直軸力及び面外方向の曲げに対する抵抗は小さい構成で水平力を伝達可能に組み入れられており、
前記波形鋼板に開口部が形成されており、同開口部の口縁部に縦補剛板と横補剛板とから成るフレーム枠が組み立てられていることを特徴とする、開口部を有する波形鋼板を用いた耐震壁。
The corrugated steel plate has its folds oriented in the horizontal direction and resists horizontal shearing force in the plane of the column / beam frame or column / slab frame that generates inter-layer deformation by horizontal force, but it is resistant to vertical shear force and out of plane. The resistance to bending in the direction is incorporated so that horizontal force can be transmitted in a small configuration,
The corrugated steel sheet has an opening, and a corrugated plate having an opening is formed by assembling a frame frame composed of a vertical stiffening plate and a horizontal stiffening plate at a mouth edge of the opening. Seismic wall using steel plate.
水平力で層間変形を発生するコア部の柱・梁架構又は柱・スラブ架構の面内に、波形鋼板がその折り筋が水平方向に向けて、且つ水平剪断力には抵抗するが鉛直軸力及び面外方向の曲げに対する抵抗は小さい構成で水平力を伝達可能に組み入れられており、
前記波形鋼板に開口部が形成されており、同開口部の口縁部に縦補剛板と横補剛板とから成るフレーム枠が組み立てられていることを特徴とする、開口部を有する波形鋼板を用いた耐震壁。
Corrugated steel sheet is placed in the plane of the core column / beam frame or column / slab frame that generates interlayer deformation due to horizontal force. And the resistance to bending in the out-of-plane direction is incorporated so that a horizontal force can be transmitted in a small configuration,
The corrugated steel sheet has an opening, and a corrugated plate having an opening is formed by assembling a frame frame composed of a vertical stiffening plate and a horizontal stiffening plate at a mouth edge of the opening. Seismic wall using steel plate.
柱・梁架構又は柱・スラブ架構の面内に組み入れられた波形鋼板は、開口部の縦辺に沿って配置される波形鋼板と、開口部の上又は上下の水平辺に沿って配置される波形鋼板とから成り、前記開口部の縦辺及び水平辺に沿って補剛板が組み立てられ、前記波形鋼板で負担した水平剪断力は縦・横の補剛板で抵抗し架構へ伝達する構成としたことを特徴とする、請求項1又は2に記載した開口部を有する波形鋼板を用いた耐震壁。   The corrugated steel sheet incorporated in the plane of the column / beam frame or the column / slab frame is disposed along the corrugated steel sheet arranged along the vertical side of the opening and the horizontal side above or below the opening. Consists of corrugated steel plates, stiffening plates are assembled along the vertical and horizontal sides of the opening, and the horizontal shearing force borne by the corrugated steel plates is resisted by the vertical and horizontal stiffening plates and transmitted to the frame A seismic wall using a corrugated steel sheet having an opening according to claim 1 or 2, wherein 縦辺に沿って配置された波形鋼板には、標準鋼板と略同等の剪断耐力となるように板厚を厚くし又は強度が大きい波形鋼板が用いられていることを特徴とする、請求項1又は2に記載した開口部を有する波形鋼板を用いた耐震壁。   The corrugated steel sheet disposed along the vertical side is made of a corrugated steel sheet having a large thickness or a high strength so as to have a shear strength substantially equivalent to that of a standard steel sheet. Or the earthquake-resistant wall using the corrugated steel plate which has the opening part described in 2.
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JP5341335B2 (en) * 2007-10-04 2013-11-13 株式会社竹中工務店 Corrugated steel shear wall
JP5383166B2 (en) * 2008-12-01 2014-01-08 株式会社竹中工務店 Corrugated steel earthquake resistant wall, corrugated steel earthquake resistant wall design method, and building
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