JP6307342B2 - Fence or handrail structure - Google Patents

Fence or handrail structure Download PDF

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JP6307342B2
JP6307342B2 JP2014095839A JP2014095839A JP6307342B2 JP 6307342 B2 JP6307342 B2 JP 6307342B2 JP 2014095839 A JP2014095839 A JP 2014095839A JP 2014095839 A JP2014095839 A JP 2014095839A JP 6307342 B2 JP6307342 B2 JP 6307342B2
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阿部 淳
淳 阿部
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株式会社アキト
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Description

本発明は、支柱が左右一対の分割支柱材を組み合わせることによって構成された分割支柱とされるフェンス又は手摺り構造において、前記分割支柱の曲げ捻れ変形を防止したフェンス又は手摺り構造に関する。   The present invention relates to a fence or a handrail structure in which a split strut is a split strut formed by combining a pair of left and right split strut members, and the split strut is prevented from being bent and twisted.

従来より、区画境界や敷地境界を仕切ったり、マンション、ビルなどの構造物における落下防止設備として設置されるフェンス構造又は通路、屋上、階段、バルコニーなどに設置される手摺り構造として種々の構造のものが提案されている。これらの中で、分割支柱材を互いに組み合わせることによって支柱を構成するようにした構造が存在する。   Conventionally, various structures have been used as fence structures or passage structures installed as partitioning facilities and passage boundaries, rooftops, stairs, balconies, etc. Things have been proposed. Among these, there is a structure in which struts are configured by combining divided strut materials with each other.

例えば、下記特許文献1では、互いに係合部で係合させられることにより一つの支柱となる分割支柱材を、係合部を互いに相手の係合部と係合する方向に向けて所定の間隔に保ち、両分割支柱材の上下間に夫々横材を渡設するとともに、これによって囲われた空間内に立子或いはパネルを取り付けて一ユニットを構成し、かくして構成したユニットの複数を、相係合する分割支柱材で一つの支柱が形成されるように組み立てて連結し、組立てられた支柱にはキャップを被せ、或いはバンドで回りから締めるとともにその支柱を施工面に建ててなるフェンス構造が提案されている。   For example, in the following Patent Document 1, the divided strut materials that become one strut by being engaged with each other by the engaging portion are arranged at a predetermined interval in a direction in which the engaging portion is engaged with the mating engaging portion. The horizontal members are placed between the upper and lower parts of both divided struts, and a stand or panel is attached in the space enclosed thereby to constitute one unit. Assembling and connecting so that one strut is formed with split strut materials to be combined, a cap structure is put on the assembled strut, or a fence structure in which the strut is built on the construction surface while tightening from around with a band is proposed Has been.

また、下記特許文献2では、施工面上に予め所定間隔で立設される柱用芯材と、両側部に配置された分割支柱材および上下部に配置された横材によって四周が枠組みされ、枠組内部にパネル又は複数の桟材が配置されたユニット材とから成るフェンス又は手摺り構造であって、   Moreover, in the following Patent Document 2, the four circumferences are framed by the core material for pillars erected in advance at a predetermined interval on the construction surface, the divided strut materials arranged on both sides and the cross members arranged on the upper and lower parts, A fence or handrail structure comprising a panel or a unit material in which a plurality of crosspieces are arranged inside the framework,

前記ユニット材の分割支柱材は、断面視で前記柱用芯材の略片側半分を囲む半枠部を有するとともに、該半枠部の両端部に夫々、前記柱用芯材に対する係合部を有し、前記柱用芯材は前記係合部に対応する部位に被係合部を有し、上方側から前記ユニット材の半枠部を柱用芯材に落とし込むことにより、前記分割支柱材を柱用芯材に係合させて前記ユニット材の取付けが行われ、前記柱用芯材を囲む一対の分割支柱材の組合せによって支柱が構成されているとともに、前記分割支柱材同士は直接的に係合していないフェンス又は手摺り構造が提案されている。   The unit material split strut member has a half frame portion that encloses substantially one half of the pillar core member in a cross-sectional view, and an engagement portion for the pillar core member at each end of the half frame portion. The column core material has an engaged portion at a portion corresponding to the engagement portion, and the half-frame portion of the unit material is dropped into the column core material from above, whereby the divided strut material Is attached to the core material for the column, and the unit material is attached. The column is constituted by a combination of a pair of divided support materials surrounding the core material for the column. Fences or handrail structures have been proposed that are not engaged with the.

特開昭49−19643号公報Japanese Patent Laid-Open No. 49-19643 特開2009−287174号公報JP 2009-287174 A

しかしながら、前記特許文献1及び特許文献2記載のフェンス又は手摺り構造のように、支柱を左右の分割支柱材を組み合わせることによって構成した場合、断面視でX方向とこれに直行するY軸方向とで強度が異なるため、断面に強軸と弱軸とを有することになる。この結果、例えば高層ビルなどの手摺りとして用いた場合に過大な風荷重が加わったり、人為的に過渡の力が加えられ支柱に大きな曲げモーメントが作用すると、弱軸に向かって捻れながら変形する現象(曲げ捻れ変形)が生じることがあった。   However, like the fences and handrail structures described in Patent Document 1 and Patent Document 2, when the support column is configured by combining left and right divided support columns, the X direction and the Y axis direction orthogonal to the cross-sectional view Therefore, the cross section has a strong axis and a weak axis. As a result, for example, when used as a handrail for a high-rise building, if an excessive wind load is applied, or if a transient force is applied artificially and a large bending moment acts on the column, it deforms while twisting toward the weak axis A phenomenon (bending torsional deformation) sometimes occurred.

この曲げ捻れ変形が生じると、分割支柱材の目地部分に隙間(口開き)が生じたり、特に変形が大きい場合は横座屈を起こしたりすることがあった。特に、前記特許文献2記載の発明のように、ユニット単位の交換が簡易に行えるように前記分割支柱材同士が直接的に係合していない構造とした場合にはその傾向が顕著となる。   When this bending torsional deformation occurs, a gap (opening) may occur in the joint portion of the divided strut material, or lateral buckling may occur particularly when the deformation is large. In particular, as in the invention described in Patent Document 2, the tendency becomes prominent when the divided strut members are not directly engaged so that the unit unit can be easily replaced.

そこで本発明の主たる課題は、支柱が左右の分割支柱材を組み合わせることによって構成されたフェンス又は手摺り構造において、前記支柱の曲げ捻れ変形を防止したフェンス又は手摺り構造を提供することにある。   Accordingly, a main object of the present invention is to provide a fence or a handrail structure in which a support is prevented from being bent and twisted in a fence or a handrail structure in which a support is formed by combining left and right divided support members.

上記課題を解決するために請求項1に係る本発明として、横方向に所定間隔で立設された支柱と、この支柱の上下部に配置された横材によって四周が枠組みされ、枠組み内部にパネル又は複数の桟材が配置されたフェンス又は手摺り構造において、   In order to solve the above-mentioned problem, as the present invention according to claim 1, the four circumferences are framed by support columns erected at predetermined intervals in the lateral direction and cross members arranged at the upper and lower portions of the support columns, and a panel is formed inside the framework. Or in a fence or handrail structure where a plurality of crosspieces are arranged,

前記支柱は、左右一対の分割支柱材を組合せることによって構成された分割支柱とされ、前記分割支柱を構成するそれぞれの分割支柱材は溝型断面の半枠部を有するとともに、半枠部の両端部にそれぞれ内部側に突出する突片部分を有し、前記分割支柱材を組み合わせることによって前記半枠部同士によって矩形状の中空部が形成されており、   The struts are divided struts configured by combining a pair of left and right split strut members, and each of the split strut members constituting the split struts has a half-frame portion with a groove-shaped cross section, and Both end portions have projecting piece portions projecting inward, and by combining the divided strut materials, a rectangular hollow portion is formed by the half frame portions,

前記支柱の高さ方向中間であって前記矩形状の中空部の内部に、断面L字状とされ、両端部に夫々継手係合部を備えた部材を一対で組み合わせることによって断面矩形状を成すとともに、前記半枠部の継ぎ目位置に存在している一対の突片部分を両側から押さえる係止部を有する曲げ捻れ防止部材を配設したことを特徴とするフェンス又は手摺り構造が提供される。   In the middle of the column in the height direction, the rectangular hollow portion has an L-shaped cross section, and a pair of members each having a joint engaging portion at both ends forms a rectangular cross section. In addition, a fence or handrail structure is provided in which a bending torsion preventing member having a locking portion for pressing the pair of projecting piece portions present at the joint position of the half frame portion from both sides is provided. .

上記請求項1記載の発明では、支柱は、左右一対の分割支柱材を組合せることによって構成された分割支柱とされるフェンス又は手摺り構造において、分割支柱を構成するそれぞれの分割支柱材は溝型断面の半枠部を有するとともに、半枠部の両端部にそれぞれ内部側に突出する突片部分を有し、前記分割支柱材を組み合わせることによって前記半枠部同士によって矩形状の中空部が形成された構造とした上で、前記支柱の高さ方向中間であって前記矩形状の中空部の内部に、断面L字状とされ、両端部に夫々継手係合部を備えた部材を一対で組み合わせることによって断面矩形状を成すとともに、前記半枠部の継ぎ目位置に存在している一対の突片部分を両側から押さえる係止部を有する曲げ捻れ防止部材を配設するようにした。   In the first aspect of the present invention, in the fence or handrail structure, the struts are divided struts configured by combining a pair of left and right split strut members, and each divided strut member constituting the split strut is a groove. While having a half-frame part of the mold cross section and having projecting piece portions that project inward at both ends of the half-frame part, a rectangular hollow part is formed between the half-frame parts by combining the divided strut members. In the formed structure, a pair of members each having an L-shaped cross section inside the rectangular hollow portion at the middle in the height direction of the support column and provided with joint engaging portions at both ends. In addition, a bending torsion preventing member having a locking portion for pressing the pair of projecting piece portions present at the joint position of the half frame portion from both sides is disposed.

従って、前記支柱の高さ方向中間であって前記矩形状の中空部の内部に設けられた前記曲げ捻れ防止部材は、一対の断面L字状部材同士を組み合わせることにより断面矩形状を成し、周方向に閉合しているとともに、前記半枠部の継ぎ目位置に存在している一対の突片部分を両側から押さえる係止部を有するため、X方向及びY方向に対する断面剛性を補強するとともに、捻れ剛性を補強するため、支柱に過大な風荷重が加わったり、人為的に過渡の力が加えられたとしても、支柱が弱軸に向かって捻れながら変形する現象(曲げ捻れ変形)が生じるのを防止することができる。   Therefore, the bending torsion prevention member provided in the middle of the column-shaped hollow portion in the height direction of the support column has a rectangular cross-section by combining a pair of cross-sectional L-shaped members, While having a locking portion that is closed in the circumferential direction and holds the pair of projecting piece portions present at the joint position of the half frame portion from both sides, the cross-sectional rigidity in the X direction and the Y direction is reinforced, In order to reinforce the torsional rigidity, even if an excessive wind load is applied to the column or a transient force is applied artificially, a phenomenon that the column deforms while twisting toward the weak axis (bending torsional deformation) occurs. Can be prevented.

請求項2に係る本発明として、前記曲げ捻れ防止部材を構成する一対の断面L字状部材は夫々、断面視で一方側端部に上下方向に貫通する溝型形状の溝型継手係合部を備え、他方側端部に直角に屈曲する屈曲継手係合部を備え、前記断面L字状部材の一方側を天地反対として前記溝型継手係合部と屈曲継手係合部とを夫々係合させることにより断面矩形状を成している請求項1記載のフェンス又は手摺り構造が提供される。   As a second aspect of the present invention, each of the pair of L-shaped cross-section members constituting the bending torsion prevention member is a groove-type joint engaging portion having a groove shape penetrating in the vertical direction at one end portion in a cross-sectional view. A bent joint engaging portion that bends at right angles to the other side end portion, and the groove-type joint engaging portion and the bent joint engaging portion are respectively engaged with the one side of the L-shaped cross section opposite to the top and bottom. The fence or handrail structure of Claim 1 which has comprised cross-sectional rectangular shape by combining is provided.

上記請求項2記載の発明では、断面L字状を成す一対の曲げ捻れ防止部材の継手係合部の構造例を示したものである。具体的には、断面L字状部材の一方側端部に上下方向に貫通する溝型形状の溝型継手係合部を備え、他方側端部に直角に屈曲する屈曲継手係合部を備えるようにし、前記断面L字状部材の一方側を天地反対として使用し、前記溝型継手係合部と屈曲継手係合部とを夫々係合させるようにしたものである。この場合は、1種類の断面L字状部材を作製することにより、左右一対の断面L字状部材を兼用することができ、製作効率の向上とコスト低減が図れるようになる。   The invention according to claim 2 shows an example of the structure of the joint engaging portion of the pair of bending twist preventing members having an L-shaped cross section. Specifically, a groove-type joint engaging portion having a groove shape penetrating in the vertical direction is provided at one end of the L-shaped member, and a bent joint engaging portion bending at a right angle is provided at the other end. In this way, one side of the L-shaped member in cross section is used as an upside down, and the grooved joint engaging portion and the bent joint engaging portion are engaged with each other. In this case, by producing one type of cross-sectional L-shaped member, a pair of left and right cross-sectional L-shaped members can be used together, and manufacturing efficiency can be improved and cost can be reduced.

請求項3に係る本発明として、前記分割支柱材の半枠部の内面に、内部側に突出して形成された座面用L字突出片を有し、前記曲げ捻れ防止部材を構成する各断面L字状部材は前記座面用L字突出片に対してビス止めされている請求項1、2いずれかに記載のフェンス又は手摺り構造が提供される。   As the present invention according to claim 3, each cross section constituting the bending torsion prevention member having an L-shaped protruding piece for a seating surface formed to protrude inwardly on the inner surface of the half frame portion of the divided support column material The fence or handrail structure according to claim 1, wherein the L-shaped member is screwed to the L-shaped projecting piece for the seating surface.

上記請求項3記載の発明では、前記分割支柱材の半枠部の内面に、内部側に突出して形成された座面用L字突出片を有するようにし、前記曲げ捻れ防止部材を構成する各断面L字状部材を前記座面用L字突出片に対してビス止めしておくようにすると、後述するように、ユニット毎に順次落とし込みによって施工する場合、設置済みの分割支柱材に対して、隣接する分割支柱材を落し込みによって係合させる際、設置済みの分割支柱材に設けてある断面L字状部材に対して、隣接する分割支柱材に設けてある他方の断面L字状部材を嵌合させる手順によって曲げ捻れ防止部材を設置することが可能となる。また、曲げ捻れ部材をビス止めしているビスは外側から見えないため、意匠的にも優れるようになる。   In the third aspect of the present invention, the inner surface of the half frame portion of the divided strut material has an L-shaped protruding piece for a seating surface formed so as to protrude to the inner side, and each of the bending torsion preventing members is configured. When the L-shaped member in cross section is screwed to the L-shaped projecting piece for the seat surface, as will be described later, when constructing by dropping sequentially for each unit, the installed divided strut material When the adjacent divided strut material is engaged by dropping, the other cross-sectional L-shaped member provided in the adjacent divided strut material is opposed to the cross-sectional L-shaped member provided in the installed divided strut material. It becomes possible to install the bending torsion preventing member by the procedure of fitting the two. Moreover, since the screw which has screwed the bending torsion member cannot be seen from the outside, the design is also improved.

請求項4に係る本発明として、前記曲げ捻れ防止部材は、支柱の中間位置に1又は2ヶ所設けられている請求項1〜3いずれかに記載のフェンス又は手摺り構造が提供される。   As the present invention according to claim 4, there is provided the fence or handrail structure according to any one of claims 1 to 3, wherein the bending torsion preventing member is provided at one or two positions at an intermediate position of the support column.

上記請求項4記載の発明では、前記曲げ捻れ防止部材の設置数について規定したものである。前記曲げ捻れ部材を支柱に多数(3以上)設置することも可能であるが、通常は、支柱の高さ方向中間位置に1又は2ヶ所設けるようにすれば十分に曲げ捻れに対して抵抗することが可能である。   In the invention according to the fourth aspect, the number of the bending torsion preventing members is defined. Although it is possible to install a large number (3 or more) of the bending torsion members on the column, it is usually sufficient to resist bending torsion if one or two are provided at the intermediate position in the height direction of the column. It is possible.

以上詳説のとおり本発明によれば、支柱が左右の分割支柱材を組み合わせることによって構成されたフェンス又は手摺り構造において、前記支柱の曲げ捻れ変形を防止することが可能となる。   As described above in detail, according to the present invention, in a fence or a handrail structure in which a support is formed by combining left and right divided support members, it is possible to prevent bending and twisting deformation of the support.

本発明に係るフェンス構造1の正面図である。1 is a front view of a fence structure 1 according to the present invention. その斜視図である。FIG. 図1のIII−III線矢視図(縦断面図)である。It is the III-III arrow directional view (longitudinal sectional view) of FIG. 図1のIV−IV線矢視図(横断面図)である。It is the IV-IV arrow directional view (cross-sectional view) of FIG. 図1のV−V線矢視図(横断面図)である。It is the VV arrow directional view (cross-sectional view) of FIG. 支柱9の背面側の要部斜視図である。FIG. 4 is a perspective view of a main part on the back side of a support column 9. 柱用芯材2を示す平面図である。It is a top view which shows the core material 2 for pillars. 柱用芯材2の建込み状態を示す側面図である。It is a side view which shows the erection state of the core material 2 for pillars. ユニット材3の正面図である。3 is a front view of a unit material 3. FIG. 図9のX−X線矢視図(縦断面図)である。FIG. 10 is a view (vertical cross-sectional view) taken along line XX in FIG. 9. 図9のXI−XI線矢視図(横断面図)である。FIG. 10 is a cross-sectional view taken along line XI-XI in FIG. 曲げ捻れ防止部材10を構成する一方側の断面L字状部材10Bを示す、(A)は平面図、(B)は右側面図である。The cross-sectional L-shaped member 10B on one side constituting the bending torsion preventing member 10 is shown, (A) is a plan view, and (B) is a right side view. 断面L字状部材10A、10Bを組み合わせて曲げ捻れ防止部材10とし支柱9への組込み状態を示す平面図である。FIG. 5 is a plan view showing a state in which the L-shaped members 10A and 10B are combined to form a bending torsion preventing member 10 into a support column 9; 曲げ捻れ防止部材10の配設位置を示す支柱側面図である。FIG. 3 is a side view of a support column showing a position where a bending twist preventing member 10 is disposed. 施工要領図(その1)である。It is a construction procedure diagram (part 1). 施工要領図(その2)である。It is a construction procedure diagram (part 2). 曲げ捻れ防止部材10を構成する断面L字状部材10A、10Bの嵌合要領を示す斜視図である。4 is a perspective view showing a fitting procedure of L-shaped cross-section members 10A and 10B constituting the bending twist preventing member 10. FIG. 施工要領図(その3)である。It is a construction procedure diagram (part 3). フェンス形式を示す、(A)は縦桟方式、(B)は横桟方式、(C)は組合せ方式を示す正面図である。It is a front view showing a fence type, (A) is a vertical beam method, (B) is a horizontal beam method, and (C) is a combination method.

以下、本発明の実施の形態について図面を参照しながら詳述する。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

フェンス構造1は、図1〜図6に示されるように、施工面上に予め所定間隔で立設される柱用芯材2,2…と、これら柱用芯材2,2…によって支持され、横方向に所定間隔で立設された支柱9と、この支柱9の上下部に配置された横材6,7とを備え、前記支柱9、9と横材6,7とによって四周が枠組みされるとともに、この枠組み内部にパネルP(又は複数の桟材)が配置され、更に上部側横材6の上面に長手通しの笠木部材8が配設された構造である。本例では特に、前記支柱9が左右一対の分割支柱材4,5を組み合わせることによって構成された分割支柱とされ、前記分割支柱材4,5と前記横材6,7とによって予め四周が枠組みされたユニット材3が構成され、後述するように、各ユニット3,3…毎に施工される。本フェンス構造1では、特に前記支柱9の高さ方向中間であって、支柱9の内部に曲げ捻れ防止部材10が配設されている。   As shown in FIGS. 1 to 6, the fence structure 1 is supported by pillar core members 2, 2,... , A support column 9 erected at a predetermined interval in the lateral direction, and cross members 6 and 7 disposed on the upper and lower portions of the support column 9, and the support member 9 and 9 and the cross members 6 and 7 form a four-round frame. In addition, a panel P (or a plurality of crosspieces) is disposed inside the framework, and a longitudinal through-head member 8 is disposed on the upper surface of the upper side member 6. In this example, in particular, the column 9 is a divided column formed by combining a pair of left and right divided column members 4, 5, and a four-round frame is formed in advance by the divided column members 4, 5 and the cross members 6, 7. The unit material 3 is constructed and applied to each unit 3, 3... As will be described later. In the fence structure 1, the bending torsion preventing member 10 is disposed in the column 9, particularly in the middle of the column 9 in the height direction.

以下、更に具体的に詳述する。   This will be described in more detail below.

前記柱用芯材2は、詳細には図7に示されるように、断面略横H形状を成すアルミ形材であり、ウエブ2Aの前後2箇所にアンカーボルト通孔2a、2aを有し、一方側フランジ2Bの外面中央に凹状の切欠き2Dを有するとともに、他方側フランジ2Cの外面中央に凹状の切欠き2Eを有する。これら切欠き2D、2Eによって形成された右側のウエブ2Aを跨いだ前後対の段部が前記分割支柱材4のための被係合部2b、2cを構成し、左側のウエブ2Aを跨いだ前後対の段部が前記分割支柱材5のための被係合部2d、2eを構成する。   As shown in detail in FIG. 7, the pillar core member 2 is an aluminum shape having a substantially horizontal H cross section, and has anchor bolt through holes 2a and 2a at two front and rear portions of the web 2A. A concave notch 2D is provided at the center of the outer surface of the one side flange 2B, and a concave notch 2E is provided at the center of the outer surface of the other side flange 2C. A pair of front and rear stepped portions straddling the right web 2A formed by these notches 2D and 2E constitute engaged portions 2b and 2c for the divided strut material 4, and front and rear straddling the left web 2A. The pair of step portions constitute engaged portions 2d and 2e for the divided strut material 5.

前記柱用芯材2は、図8に示されるように、アンカーボルト通孔2a、2aの下端側にタップ加工を施すとともに、アンカーボルト12,12の上端側(ネジ部)を螺合接続しておき、アンカーボルト12の下端側を施工面を構成しているコンクリート基礎Hに対して横方向に所定間隔Lで埋設固定することにより立設されている。   As shown in FIG. 8, the pillar core member 2 is tapped on the lower end sides of the anchor bolt through holes 2a and 2a and screwed to the upper end sides (threaded portions) of the anchor bolts 12 and 12. In addition, the anchor bolt 12 is erected by burying and fixing the lower end side of the anchor bolt 12 at a predetermined interval L in the lateral direction with respect to the concrete foundation H constituting the construction surface.

前記ユニット材3は、詳細には図9〜図11に示されるように、両側部に配置された分割支柱材4、5と、上下部に配置された横材6,7とによって四周が枠組みされ、枠組内部にパネルP(又は後述する複数の桟材)が配置されたもので、基本的には工場製作され現場に搬入される。   As shown in detail in FIGS. 9 to 11, the unit material 3 has a four-side frame by divided strut members 4 and 5 arranged on both sides and cross members 6 and 7 arranged on the upper and lower parts. A panel P (or a plurality of crosspieces to be described later) is arranged inside the framework. Basically, it is manufactured in a factory and carried to the site.

前記分割支柱材4は、押出し成型されたアルミ形材とされ、図11に示されるように、断面視で前記柱用芯材2の略片側半分を囲む溝型断面の半枠部4Aを有するとともに、該半枠部4Aの両端部に夫々、前記柱用芯材2に対する係合部4a、4bを有する。これら係合部4a、4bは内部側に突出する突片部分を有し、同時に前記曲げ捻れ防止部材10の被係止部を構成している。前記半枠部4Aには、高さ方向中間であって、前記支柱9の内部に、前記曲げ捻れ部材10を構成する一方の断面L字状部材10Bが半枠部4Aに設けられた座面用L字突出片4cに対してビス13によって固定されている。また、前記半枠部4Aに隣接する前側位置に、内方側に開口溝を向けた断面略コ字状のパネル嵌合溝部4Bを備えている。さらに、前記半枠部4Aの内部には組立て用ビスポケット12、12が2箇所設けられている。   The split strut member 4 is an extruded aluminum shape, and as shown in FIG. 11, has a half-frame portion 4A having a groove-shaped cross section that encloses substantially one half of the pillar core member 2 in a sectional view. In addition, engaging portions 4a and 4b for the pillar core member 2 are provided at both ends of the half frame portion 4A. These engaging portions 4a and 4b have projecting piece portions projecting inward, and at the same time, constitute the locked portion of the bending torsion preventing member 10. The half-frame portion 4A has a seating surface that is intermediate in the height direction, and has one cross-sectional L-shaped member 10B constituting the bending torsion member 10 provided in the half-frame portion 4A inside the support column 9. It is fixed to the L-shaped projecting piece 4c with screws 13. Further, a panel fitting groove 4B having a substantially U-shaped cross section with an opening groove facing inward is provided at a front position adjacent to the half frame 4A. Further, two assembly screw pockets 12 are provided in the half frame portion 4A.

一方の分割支柱材5も同様に、押出し成型されたアルミ形材とされ、図11に示されるように、断面視で前記柱用芯材2の略片側半分を囲む溝型断面の半枠部5Aを有するとともに、該半枠部5Aの両端部に夫々、前記柱用芯材2に対する係合部5a、5bを有する。これら係合部4a、4bは内部側に突出する突片部分を有し、同時に前記曲げ捻れ防止部材10の被係止部を構成している。前記半枠部5Aには、高さ方向中間であって、前記支柱9の内部に、前記曲げ捻れ部材10を構成する他方の断面L字状部材10Aが半枠部5Aに設けられた座面用L字突出片5cに対してビス13によって固定されている。また、前記半枠部5Aに隣接する前側位置に、内方側に開口溝を向けた断面略コ字状のパネル嵌合溝部5Bを備えている。さらに、前記半枠部5Aの内部には組立て用ビスポケット112が2箇所設けられている。前記分割支柱4と分割支柱5とを組み合わせることにより、前記半枠部同士4A、5Aによって矩形状中空部Mが形成されるようになっている。   Similarly, one of the divided strut members 5 is an extruded aluminum shape, and as shown in FIG. 11, a half-frame portion having a groove-shaped cross section that surrounds a substantially half on one side of the pillar core member 2 in a sectional view. 5A, and both end portions of the half frame portion 5A have engaging portions 5a and 5b for the pillar core member 2, respectively. These engaging portions 4a and 4b have projecting piece portions projecting inward, and at the same time, constitute the locked portion of the bending torsion preventing member 10. The half-frame portion 5A has a seating surface that is intermediate in the height direction, and the other cross-sectional L-shaped member 10A that constitutes the bending torsion member 10 is provided in the half-frame portion 5A inside the support column 9. It is fixed to the L-shaped projecting piece 5c with screws 13. In addition, a panel fitting groove portion 5B having a substantially U-shaped cross section with an opening groove facing inward is provided at a front side position adjacent to the half frame portion 5A. Further, two assembly screw pockets 112 are provided in the half frame portion 5A. By combining the divided struts 4 and the divided struts 5, a rectangular hollow portion M is formed by the half frame portions 4A and 5A.

前記捻れ防止部材10を構成する前記断面L字状部材10A、10Bとしては、同じ部材が使用されており、片方を天地反対として使用し、組み合わせることにより断面矩形状となる。代表的に断面L字状部材10Bについて、図12に基づいて詳述する。   The same members are used as the cross-sectional L-shaped members 10A and 10B constituting the twist preventing member 10, and one of them is used as the opposite of the top and bottom, and when combined, it becomes a rectangular cross-section. The cross-sectional L-shaped member 10B will be described in detail based on FIG.

前記断面L字状部材10Bは、断面視で一方側端部に上下方向に貫通する溝型形状の溝型継手係合部10aを備え、他方側端部に直角に屈曲する屈曲継手係合部10bを備えている。長辺側において前記溝型継手係合部10aの隣接位置にビス孔10cを備えるとともに、このビス孔10cに近接する位置に位置決め用係止部10dを備える。また、天地反対使用を可能とするために、長辺の対象位置にビス孔10eと位置決め用係止部10fを備える。また、短辺側において、前記半枠部4Aに形成した係合部4bを押さえる係止部10gを備えている。部材の長さ寸法Sは、50〜100mm程度とされる。   The cross-section L-shaped member 10B includes a groove-type joint engaging portion 10a having a groove shape penetrating in the vertical direction at one end portion in a cross-sectional view, and a bent joint engaging portion bending at a right angle at the other end portion. 10b. A screw hole 10c is provided at a position adjacent to the grooved joint engaging portion 10a on the long side, and a positioning locking portion 10d is provided at a position close to the screw hole 10c. Further, in order to enable use opposite to the top and bottom, a screw hole 10e and a positioning locking portion 10f are provided at a long side target position. Further, on the short side side, there is provided a locking portion 10g for pressing the engaging portion 4b formed on the half frame portion 4A. The length dimension S of the member is about 50 to 100 mm.

前記断面L字状部材10A、10Bを組み合わせるには、図13に示されるように、一方の断面L字状部材10Bの溝型継手係合部10aに対して、他方の断面L字状部材10Aの屈曲継手係合部10bを嵌合させ、他方の断面L字状部材10Aの溝型継手係合部10aに対して、一方の断面L字状部材10Bの屈曲継手係合部10bを嵌合させるようにする。断面L字状部材10A、10Bを組み合わせ支柱9の取付け状態では、支柱9の一方側の継ぎ目位置で、半枠部4Aの係合部4aと半枠部5Aの係合部5aとの一対の突片部材を、前記溝型継手係合部10aを構成する一方側部材(係止部を構成)と前記係止部10gとにより両側から押さえるようになっている。また、支柱9の他方側の継ぎ目位置でも同様に、半枠部4Aの係合部4bと半枠部5Aの係合部5bとの一対の突片部材を、前記溝型継手係合部10aを構成する一方側部材(係止部を構成)と前記係止部10gとにより両側から押さえるようになっている。   To combine the cross-sectional L-shaped members 10A and 10B, as shown in FIG. 13, the other cross-sectional L-shaped member 10A with respect to the groove joint engaging portion 10a of one cross-sectional L-shaped member 10B. The bent joint engaging portion 10b of the other cross-section L-shaped member 10B is fitted to the groove-type joint engaging portion 10a of the other L-shaped member 10A. I will let you. In the mounting state of the combination strut 9 by combining the L-shaped members 10A and 10B in the attached state, a pair of engagement portions 4a of the half frame portion 4A and the engagement portions 5a of the half frame portion 5A at the joint position on one side of the column 9 The projecting piece member is pressed from both sides by one side member (constituting a latching portion) constituting the groove-type joint engaging portion 10a and the latching portion 10g. Similarly, at the joint position on the other side of the support column 9, a pair of projecting piece members of the engaging portion 4b of the half frame portion 4A and the engaging portion 5b of the half frame portion 5A are connected to the groove joint engaging portion 10a. Is configured to be pressed from both sides by a one-side member (which constitutes a locking portion) and the locking portion 10g.

前記曲げ捻れ防止部材10の取付け位置は、図14に示されるように、柱用芯材2の配設位置は堅固に固定されているため曲げ捻れ変形は生じないとして、支柱9の支柱高さHに対して、柱用芯材2の寸法Cを減算し、図示のように、高さ方向に1ヶ所設ける場合は、1/2(H−C)の高さ位置若しくはこの高さ位置の±200mmの範囲に設けるようにし、仮に2ヶ所設ける場合は、1/3(H−C)及び2/3(H−C)の高さ位置若しくはこの高さ位置の±200mmの範囲に設けるようにするのが望ましい。設置数については、支柱9の中間位置に1又は2ヶ所設けるようにすれば、十分に曲げ捻れに対して抵抗できることが試験により確認されている。   As shown in FIG. 14, the mounting position of the bending torsion preventing member 10 is that the column core 2 is firmly fixed, so that bending torsional deformation does not occur. When subtracting the dimension C of the column core 2 from H and providing one in the height direction as shown in the figure, the height position of ½ (HC) or this height position If it is provided in the range of ± 200mm, and it is provided in two places, it should be provided in the height position of 1/3 (HC) and 2/3 (HC) or in the range of ± 200mm of this height position. It is desirable to make it. With regard to the number of installations, it has been confirmed by tests that if one or two places are provided in the middle position of the support column 9, it can sufficiently resist bending torsion.

前記曲げ捻れ防止部材10は、一対の断面L字状部材10A、10B同士を組み合わせることにより断面矩形状を成し、周方向に閉合しているとともに、前記半枠部4A、5Aの継ぎ目位置に存在している一対の突片部分4a、5a(4b、5b)を両側から押さえる係止部10a、10gを有するため、X方向及びY方向に対する断面剛性を補強するとともに、捻れ剛性Tを補強するため、支柱9に過大な風荷重が加わったり、人為的に過渡の力が加えられたとしても、支柱9が弱軸に向かって捻れながら変形する現象(曲げ捻れ変形)が生じるのを防止することができる。   The bending torsion preventing member 10 has a rectangular cross section by combining a pair of L-shaped members 10A and 10B, and is closed in the circumferential direction, and at the seam position of the half frame portions 4A and 5A. Since it has the latching | locking part 10a, 10g which hold | suppresses a pair of existing protruding piece part 4a, 5a (4b, 5b) from both sides, while reinforcing the cross-sectional rigidity with respect to a X direction and a Y direction, the torsional rigidity T is reinforced. Therefore, even if an excessive wind load is applied to the support column 9 or a transient force is artificially applied, the support column 9 is prevented from being deformed while being twisted toward the weak axis (bending torsional deformation). be able to.

前記上部側横材6は、同じく押出し成型されたアルミ形材とされ、図10に示されるように、前記分割支柱材4、5の半枠部4A、5Aに対応する部分に平板状の天板部6Aを有し、この天板部6Aに隣接する前側位置に、内方側に開口溝を向けた断面略コ字状のパネル嵌合溝部6Bを備えている。   The upper side member 6 is also an extruded aluminum shape, and as shown in FIG. 10, a flat plate-shaped ceiling member is formed at a portion corresponding to the half frame portions 4A and 5A of the divided strut members 4 and 5. A panel fitting groove portion 6B having a plate portion 6A and having a substantially U-shaped cross section with an opening groove facing inward is provided at a front side position adjacent to the top plate portion 6A.

前記下部側横材7も同じく押出し成型されたアルミ形材とされ、台形状の中空部7Aに隣接する前側位置に、内方側に開口溝を向けた断面略コ字状のパネル嵌合溝部7Bを備えている。また、前記中空部7Aの内部には組立て用ビスポケット12が2箇所設けられている。   The lower side cross member 7 is also an extruded aluminum shape, and a panel fitting groove portion having a substantially U-shaped cross section with an opening groove facing inward at a front position adjacent to the trapezoidal hollow portion 7A. 7B. In addition, two screw pockets 12 for assembly are provided inside the hollow portion 7A.

前記分割支柱材4,5及び横材6,7によって四周が枠組みされ、前記パネル嵌合溝4A、5B、6B、7Bが周方向に沿って連続形成され、このパネル嵌合溝4A、5B、6B、7Bにグレチャン11が嵌合されるとともに、このグレチャン11によってパネルPが嵌合支持され、ユニット材3が構成されている。なお、図示例では、図9に示されるように、分割支柱材4,5の下端部が下部側横材7よりも若干突出し、脚部17を有するように組立てられている。   Four divisions are framed by the divided strut members 4 and 5 and the cross members 6 and 7, and the panel fitting grooves 4A, 5B, 6B, and 7B are continuously formed along the circumferential direction. The panel fitting grooves 4A, 5B, The Grechan 11 is fitted to the 6B and 7B, and the panel P is fitted and supported by the Grechan 11 to constitute the unit material 3. In the illustrated example, as shown in FIG. 9, the lower ends of the divided strut members 4 and 5 protrude slightly from the lower side member 7 and are assembled so as to have leg portions 17.

次に、前記フェンス構造1の施工手順について図15〜図18に基づいて詳述する。   Next, the construction procedure of the fence structure 1 will be described in detail with reference to FIGS.

先ず、図15に示されるように、コンクリート基礎H面上に、所定の柱間隔Lの間隔で前記柱用芯材2,2…を立設する。アンカーボルト12の固定は、公知の種々の方法を採用することができるが、例えば樹脂注入アンカー方式を好適に採用することができる。樹脂注入アンカー方式は、二液樹脂接着剤を穿孔内に充填し、アンカーボルト12を挿入し樹脂による固着によってアンカーボルト12の固定を図るものである。   First, as shown in FIG. 15, the pillar core members 2, 2... Are erected on the concrete foundation H surface at a predetermined interval L. For fixing the anchor bolt 12, various known methods can be adopted. For example, a resin injection anchor method can be suitably adopted. In the resin-injection anchor method, a two-component resin adhesive is filled in a hole, the anchor bolt 12 is inserted, and the anchor bolt 12 is fixed by fixing with a resin.

次いで、図16に示されるように、ユニット材3を順次持ち込み、両側部の分割支柱材4,5の半枠部4A、5Aを柱用芯材2,2に落とし込むことにより、前記分割支柱材4,5を柱用芯材2,2に係合させて前記ユニット材3の取付けが順次行われる。ユニット材3の設置状態では、図4に示されるように、前記分割支柱材4の半枠部4Aの係合部4a、4bが柱用芯材2の被係合部2b、2cに係合し、前記分割支柱材5の半枠部5Aの係合部5a、5bが柱用芯材の被係合部2d、2eに係合するように取付けられ、前記柱用芯材2を囲む一対の分割支柱材4,5の組合せによって支柱9、9…が構成されている。   Next, as shown in FIG. 16, the unit material 3 is sequentially brought in, and the divided frame members 4, 5 A of the divided column materials 4, 5 on both sides are dropped into the column core materials 2, 2. 4 and 5 are engaged with the column cores 2 and 2, and the unit material 3 is attached in sequence. In the installed state of the unit material 3, as shown in FIG. 4, the engaging portions 4 a and 4 b of the half frame portion 4 </ b> A of the divided strut material 4 are engaged with the engaged portions 2 b and 2 c of the pillar core material 2. Then, the engaging portions 5a and 5b of the half frame portion 5A of the divided strut member 5 are attached so as to engage with the engaged portions 2d and 2e of the pillar core member, and a pair surrounding the pillar core member 2 .. Are constituted by a combination of the divided strut members 4, 5.

また、図17に示されるように、設置済みの分割支柱材4に対して、隣接する分割支柱材5を落し込みによって係合させる際、設置済みの分割支柱材5に設けられた断面L字状部材10Bに対して、隣接する分割支柱材5に設けられた他方の断面L字状部材10Aを嵌合させる手順によって曲げ捻れ防止部材10を設置することが可能となる。設置状態では、一方側の断面L字状部材10Bの溝型継手係合部10aと他方側の断面L字状部材10Aの屈曲継手係合部10bとが係合するとともに、一方側の断面L字状部材10Bの屈曲継手係合部10bと他方側の断面L字状部材10Aの溝型継手係合部10aとが係合することにより、断面矩形状を成しており、かつ前記半枠部4A、5Aの継ぎ目位置に存在している一対の突片部分4a、5a(4b、5b)を曲げ捻れ防止部材10の係止部10a、10gが両側から押さえるようになっている。   In addition, as shown in FIG. 17, when the adjacent divided column material 5 is engaged with the installed divided column material 4 by dropping, a cross-section L-shaped provided on the installed divided column material 5. It becomes possible to install the bending torsion preventing member 10 by the procedure of fitting the other cross-section L-shaped member 10A provided in the adjacent divided strut member 5 with the shaped member 10B. In the installed state, the groove-type joint engaging portion 10a of the L-shaped member 10B on one side is engaged with the bent joint engaging portion 10b of the L-shaped member 10A on the other side, and the cross-section L on the one side is engaged. The bent joint engaging portion 10b of the character-shaped member 10B and the groove-type joint engaging portion 10a of the other cross-sectional L-shaped member 10A are engaged to form a rectangular cross section, and the half frame The locking portions 10a and 10g of the bending torsion preventing member 10 are configured to hold down the pair of protruding piece portions 4a and 5a (4b and 5b) existing at the joint positions of the portions 4A and 5A from both sides.

各ユニット材3,3…の取付けが完了したならば、図18に示されるように、前記上部側横材6の上面に長手通しの笠木部材8を配設し、図3に示されるように笠木部材8をビス22、22…によって固定する。最後に、各支柱材9の基端部を囲むように付け根カバー24を設置して施工を完了する。なお、前記付け根カバー24は半割構造とされ、支柱材9の外側から設置可能となっている。   When the attachment of the unit members 3, 3... Is completed, as shown in FIG. 18, a longitudinal through-head member 8 is disposed on the upper surface of the upper side member 6, and as shown in FIG. The headboard member 8 is fixed with screws 22, 22. Finally, the base cover 24 is installed so as to surround the base end portion of each support member 9, and the construction is completed. The base cover 24 has a half structure, and can be installed from the outside of the support material 9.

〔他の形態例〕
(1)上記形態例では、ユニット材3の枠組み内部にパネルPを嵌合支持させるようにしたが、図19に示されるように、枠組み内部に複数の桟材50…、51…を配設したユニット材3とすることも可能である。図19(A)は、縦桟50、50…を配置した例であり、図19(B)は、横桟51,51…を配置した例である。これ以外に、横/縦ルーバー等を配置した形式とすることもできる。更には、図19(C)に示されるように、これらの組合せとすることも可能である。
(2)上記形態例では、フェンス構造1として説明したが、手摺りとしても全く同様の構造を採用することが可能である。
[Other examples]
(1) In the above embodiment, the panel P is fitted and supported inside the frame of the unit material 3. However, as shown in FIG. 19, a plurality of crosspieces 50, 51,. It is also possible to use the unit material 3 as described above. 19A is an example in which vertical bars 50, 50... Are arranged, and FIG. 19B is an example in which horizontal bars 51, 51. In addition to this, it is also possible to adopt a form in which horizontal / vertical louvers are arranged. Further, as shown in FIG. 19 (C), a combination of these may be used.
(2) In the above embodiment, the fence structure 1 has been described. However, the same structure can be adopted as a handrail.

1…フェンス構造、2…柱用芯材、3…ユニット材、4・5…分割支柱材、4A・5A…半枠部、6…上部側横材、7…下部側横材、8…笠木部材、9…支柱、10…曲げ捻れ防止部材、10A・10B…断面L字状部材、12…アンカーボルト、P…パネル、M…矩形状中空部   DESCRIPTION OF SYMBOLS 1 ... Fence structure, 2 ... Core material for pillars, 3 ... Unit material, 4 * 5 ... Dividing support | pillar material, 4A * 5A ... Half frame part, 6 ... Upper side cross member, 7 ... Lower side cross member, 8 ... Kasagi Member, 9 ... post, 10 ... bending torsion preventing member, 10A, 10B ... L-shaped member in cross section, 12 ... anchor bolt, P ... panel, M ... rectangular hollow part

Claims (4)

横方向に所定間隔で立設された支柱と、この支柱の上下部に配置された横材によって四周が枠組みされ、枠組み内部にパネル又は複数の桟材が配置されたフェンス又は手摺り構造において、
前記支柱は、左右一対の分割支柱材を組合せることによって構成された分割支柱とされ、前記分割支柱を構成するそれぞれの分割支柱材は溝型断面の半枠部を有するとともに、半枠部の両端部にそれぞれ内部側に突出する突片部分を有し、前記分割支柱材を組み合わせることによって前記半枠部同士によって矩形状の中空部が形成されており、
前記支柱の高さ方向中間であって前記矩形状の中空部の内部に、断面L字状とされ、両端部に夫々継手係合部を備えた部材を一対で組み合わせることによって断面矩形状を成すとともに、前記半枠部の継ぎ目位置に存在している一対の突片部分を両側から押さえる係止部を有する曲げ捻れ防止部材を配設したことを特徴とするフェンス又は手摺り構造。
In the fence or handrail structure in which the four laps are framed by the pillars erected at predetermined intervals in the lateral direction and the transverse members arranged on the upper and lower parts of the pillars, and the panel or a plurality of crosspieces are arranged inside the framework,
The struts are divided struts configured by combining a pair of left and right split strut members, and each of the split strut members constituting the split struts has a half-frame portion with a groove-shaped cross section, and Both end portions have projecting piece portions projecting inward, and by combining the divided strut materials, a rectangular hollow portion is formed by the half frame portions,
In the middle of the column in the height direction, the rectangular hollow portion has an L-shaped cross section, and a pair of members each having a joint engaging portion at both ends forms a rectangular cross section. In addition, a fence or handrail structure is provided, in which a bending twist preventing member having a locking portion for pressing the pair of projecting piece portions present at the joint position of the half frame portion from both sides is disposed.
前記曲げ捻れ防止部材を構成する一対の断面L字状部材は夫々、断面視で一方側端部に上下方向に貫通する溝型形状の溝型継手係合部を備え、他方側端部に直角に屈曲する屈曲継手係合部を備え、前記断面L字状部材の一方側を天地反対として前記溝型継手係合部と屈曲継手係合部とを夫々係合させることにより断面矩形状を成している請求項1記載のフェンス又は手摺り構造。   Each of the pair of L-shaped cross-section members constituting the bending torsion prevention member has a groove-type joint engaging portion of a groove shape penetrating in the vertical direction at one end in a cross-sectional view, and is perpendicular to the other end. A bent joint engaging portion that bends to the groove-shaped joint engaging portion and the bent joint engaging portion with one side of the L-shaped cross-section member facing upside down. The fence or handrail structure according to claim 1. 前記分割支柱材の半枠部の内面に、内部側に突出して形成された座面用L字突出片を有し、前記曲げ捻れ防止部材を構成する各断面L字状部材は前記座面用L字突出片に対してビス止めされている請求項1、2いずれかに記載のフェンス又は手摺り構造。   Each of the L-shaped members for the seating surface has an L-shaped projecting piece for the seating surface formed to project to the inner side on the inner surface of the half frame portion of the divided strut material, The fence or handrail structure according to any one of claims 1 and 2, which is screwed to the L-shaped protruding piece. 前記曲げ捻れ防止部材は、支柱の中間位置に1又は2ヶ所設けられている請求項1〜3いずれかに記載のフェンス又は手摺り構造。   The fence or handrail structure according to any one of claims 1 to 3, wherein the bending torsion preventing member is provided at one or two positions in an intermediate position of the support column.
JP2014095839A 2014-05-07 2014-05-07 Fence or handrail structure Active JP6307342B2 (en)

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