JP3133649U - Column structure - Google Patents

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JP3133649U
JP3133649U JP2007003239U JP2007003239U JP3133649U JP 3133649 U JP3133649 U JP 3133649U JP 2007003239 U JP2007003239 U JP 2007003239U JP 2007003239 U JP2007003239 U JP 2007003239U JP 3133649 U JP3133649 U JP 3133649U
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shaped steel
steel
column
flange
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清和 大西
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株式会社 エーシーコア
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Abstract

【課題】柱の素材となる型鋼材の強度や摩擦力を強め、以って、柱の機能性を高めることができる柱体構造を提供する。
【解決手段】柱の構成素材である鋼材が、Ｈ型の断面形状を構成するウエブ１１とフランジ１２、１３とを具備し、且つ、長手方向に捩じれ、前記フランジの長手方向の端縁１２１、１３１がスパイラル形状を呈している。このＨ型鋼１０は、長手方向の捩じれにより、強度が増すと共に、長手方向の摩擦力が増大する。この柱体構造を持つ杭体は、軟弱地盤や山崩れの虞等がある不安定な地盤を補強して、安定化することができる。この柱体構造を持つ支柱は、超高層建築物や大空間を持つスポーツ施設、あるいは高架道路や高架鉄道、橋梁等の重量物を安定的に支持することができる。
【選択図】図１[PROBLEMS] To provide a column structure capable of enhancing the functionality of a column by increasing the strength and frictional force of a die steel material as a material of the column.
A steel material which is a constituent material of a pillar includes a web 11 and a flange 12 and 13 which form an H-shaped cross-sectional shape, and is twisted in a longitudinal direction, and an edge 121 in the longitudinal direction of the flange. 131 has a spiral shape. The H-shaped steel 10 is increased in strength and frictional force in the longitudinal direction due to twisting in the longitudinal direction. The pile body having this columnar structure can reinforce and stabilize the soft ground or the unstable ground with the possibility of mountain collapse. The pillar having the columnar structure can stably support a heavy-weight object such as a super high-rise building, a sports facility having a large space, an elevated road, an elevated railway, a bridge, or the like.
[Selection] Figure 1

Description

本考案は、地盤補強用の杭体や高架道路の支柱、建築物の柱等の構造に関し、高い強度を実現するものである。   The present invention achieves high strength with respect to structures such as pile bodies for ground reinforcement, elevated road columns, and building columns.

従来から、Ｈ型鋼や鋼管は、建物の基礎杭として地中に埋設され、また、軟弱地盤や地すべり等の虞がある場所を補強するために埋め込まれている。
下記特許文献１には、ボーリングで地面に孔を形成し、この孔にＨ型鋼杭や鋼管杭を建て込んだ後、孔及び杭の中にモルタル等のグラウトを注入、固化して地すべりを抑止する技術が記載されている。
また、下記特許文献２には、高い強度を持つ鋼管柱が記載されている。この柱は、鋼管の中にスパイラル筋や鉄筋かご等の補強材を有し、さらに、コンクリートが鋼管内に充填されている。
特開２００３−１８４１００号公報 特開２００５−３００８６号公報 Conventionally, H-shaped steel and steel pipes are embedded in the ground as foundation piles of buildings, and are embedded to reinforce places where there is a risk of soft ground or landslides.
In Patent Document 1 below, a hole is formed in the ground by boring, and after building an H-shaped steel pile or steel pipe pile into this hole, grout such as mortar is injected into the hole and the pile and solidified to suppress landslides. The technology to do is described.
Moreover, the following patent document 2 describes a steel pipe column having high strength. This column has a reinforcing material such as a spiral bar or a reinforcing bar in a steel pipe, and concrete is filled in the steel pipe.
JP 2003-184100 A JP-A-2005-30086

Ｈ型鋼は、角型鋼管に比べて圧縮力や曲げ性能で劣るものの、重量が軽いことや、他の部材との接続が容易である等の利点を有しているため、杭や支柱等として広く利用されている。
しかし、Ｈ型鋼は、例えば、山留め用の杭として用いた場合に、周辺地盤の長手方向への相対移動を十分に抑止することができないという欠点がある。また、Ｈ型鋼を補強材としてコンクリート中に埋設した場合も、同様に、鋼材の長手方向へのコンクリートのズレを十分に抑止することができない。 H-shaped steel is inferior in compressive force and bending performance compared to square steel pipe, but has advantages such as light weight and easy connection with other members. Widely used.
However, when H-shaped steel is used as a pile for retaining a mountain, for example, there is a drawback that relative movement in the longitudinal direction of the surrounding ground cannot be sufficiently suppressed. Also, when H-shaped steel is embedded in concrete as a reinforcing material, similarly, the displacement of the concrete in the longitudinal direction of the steel material cannot be sufficiently suppressed.

本考案は、こうした状況を考慮して創案したものであり、柱の素材となる型鋼材の強度や摩擦力を強め、以って、柱の機能性を高めることができる柱体構造を提供することを目的としている。   The present invention was devised in consideration of such circumstances, and provides a column structure that can enhance the strength and frictional force of the die steel used as the material of the column, thereby enhancing the functionality of the column. The purpose is that.

本考案の柱体構造は、柱の構成素材である鋼材が、Ｈ型の断面形状を構成するウエブとフランジとを具備し、且つ、長手方向に捩じれ、前記フランジの長手方向の端縁がスパイラル形状を呈していることを特徴としている。
この構造を持つＨ型鋼は、長手方向の捩じれにより、強度が増すと共に、長手方向の摩擦力が増大する。 In the column structure of the present invention, a steel material which is a constituent material of a column is provided with a web and a flange having an H-shaped cross-sectional shape, and is twisted in the longitudinal direction, and the longitudinal edge of the flange is spiral. It is characterized by its shape.
The H-shaped steel having this structure is increased in strength and frictional force in the longitudinal direction due to twisting in the longitudinal direction.

また、前記鋼材は、先端と後端との間で９０°以上捩じれていることが好ましい。
このＨ型鋼は、中心軸を含む平面で切断した場合に、弱軸方向のみからなる切断面が存在せず、どの方向にも強い柱体となる。 Moreover, it is preferable that the said steel material is twisted 90 degrees or more between the front-end | tip and a rear end.
When this H-shaped steel is cut along a plane including the central axis, there is no cut surface consisting only of the weak axis direction, and it becomes a strong column in any direction.

また、前記鋼材は、さらに、前記ウエブの両面に、Ｔ型の断面形状を構成するウエブとフランジとを具備するように構成しても良い。
この構造を持つＨ型鋼は、弱軸方向がＴ型の断面形状を有する補強材で補強され、どの方向にも強い柱体となる。 The steel material may further include a web and a flange having a T-shaped cross-sectional shape on both surfaces of the web.
The H-shaped steel having this structure is reinforced by a reinforcing material having a T-shaped cross section in the weak axis direction, and becomes a strong column in any direction.

また、前記鋼材は、筒形状の鋼管の中に充填材で固定しても良い。
こうすることで、外形が従来の鋼管柱と同じで、強度が従来のものよりも強い柱体を得ることができる。 Moreover, you may fix the said steel material with a filler in a cylindrical steel pipe.
By doing so, it is possible to obtain a column body whose outer shape is the same as that of a conventional steel pipe column and whose strength is stronger than that of the conventional one.

本考案の柱体構造を持つ杭体は、軟弱地盤や山崩れの虞等がある不安定な地盤を補強して、安定化することができる。
また、本考案の柱体構造を持つ支柱は、超高層建築物や大空間を持つスポーツ施設、あるいは、高架道路や高架鉄道、橋梁等の重量物を安定的に支持することができる。 The pile body having the columnar structure of the present invention can reinforce and stabilize soft ground or unstable ground with the possibility of mountain collapse.
Moreover, the column having the columnar structure of the present invention can stably support heavy objects such as a super high-rise building, a sports facility having a large space, an elevated road, an elevated railway, a bridge, and the like.

本考案の柱体構造を持つ柱の実施形態を、図面に基づいて説明する。
図１（ａ）は、この柱体構造を持つＨ型鋼を示し、図１（ｂ）は、このＨ型鋼に補強を施した補強Ｈ型鋼を示している。図２（ａ）は、図１（ａ）のＨ型鋼の端面形状を示し、図２（ｂ）は、図１（ｂ）の補強Ｈ型鋼の端面形状を示している。図３（ａ）は、図１（ａ）のＨ型鋼を埋設した円鋼管柱を示し、図３（ｂ）は、図１（ｂ）の補強Ｈ型鋼を埋設した円鋼管柱を示している。 An embodiment of a pillar having a pillar structure according to the present invention will be described with reference to the drawings.
FIG. 1 (a) shows an H-shaped steel having this columnar structure, and FIG. 1 (b) shows a reinforced H-shaped steel obtained by reinforcing the H-shaped steel. FIG. 2A shows the end face shape of the H-shaped steel of FIG. 1A, and FIG. 2B shows the end face shape of the reinforced H-shaped steel of FIG. 1B. 3A shows a circular steel pipe column in which the H-shaped steel of FIG. 1A is embedded, and FIG. 3B shows a circular steel pipe column in which the reinforced H-shaped steel of FIG. 1B is embedded. .

図１（ａ）に示すように、この実施形態のＨ型鋼１０は、長手方向に９０°捩じられている。Ｈ型鋼１０は、ウエブ１１の両端にフランジ１２とフランジ１３とが結合されているが、長手方向に捩じられたことにより、フランジ１２、１３の長手方向の端縁１２１、１３１がスパイラル形状を呈している。
Ｈ型鋼の座屈強度や曲げ強度は、図２（ａ）に示すように、ウエブ１１に平行なｘ軸方向に強く、それに比べて、ウエブ１１に垂直なｙ軸方向では弱い。それ故、ｘ軸は強軸、ｙ軸は弱軸と呼ばれている。 As shown in FIG. 1A, the H-shaped steel 10 of this embodiment is twisted 90 ° in the longitudinal direction. In the H-shaped steel 10, the flange 12 and the flange 13 are coupled to both ends of the web 11, but the longitudinal edges 121 and 131 of the flanges 12 and 13 have a spiral shape by being twisted in the longitudinal direction. Presents.
As shown in FIG. 2A, the buckling strength and bending strength of the H-shaped steel are strong in the x-axis direction parallel to the web 11 and are weak in the y-axis direction perpendicular to the web 11. Therefore, the x axis is called the strong axis and the y axis is called the weak axis.

捩じれていないＨ型鋼では、強軸及び弱軸の方向が、Ｈ型鋼の長手方向のどこでも同じである。しかし、捩じれている図１（ａ）のＨ型鋼１０では、強軸及び弱軸の方向が、長手方向の位置によって変化している。そのため、このＨ型鋼１０を、中心軸を含む平面で切断した場合に、弱軸のみからなる切断面は存在せず、いずれの切断面にも必ず強軸が含まれている。
従って、図１（ａ）のＨ型鋼１０は、どの径方向にも強い座屈強度及び曲げ強度を有している。 In an untwisted H-shaped steel, the directions of the strong axis and the weak axis are the same everywhere in the longitudinal direction of the H-shaped steel. However, in the H-shaped steel 10 of FIG. 1A twisted, the directions of the strong axis and the weak axis change depending on the position in the longitudinal direction. Therefore, when this H-shaped steel 10 is cut along a plane including the central axis, there is no cut surface consisting of only the weak axis, and any cut surface always includes the strong axis.
Therefore, the H-shaped steel 10 in FIG. 1A has strong buckling strength and bending strength in any radial direction.

また、捩じれを持つＨ型鋼１０から成る杭体は、軟弱地盤等に埋設されたとき、周辺地盤の相対移動を効果的に抑止することができる。これは、捩じれによりＨ型鋼１０の周辺地盤に対する摩擦力が増大するためである。
図４を用いて、それを説明する。図４（ａ）には、捩じれを持つＨ型鋼１０のフランジ１２、１３のスパイラル状端縁１２１、１３１を模式的に示し、図４（ｂ）には、捩じれを持たないＨ型鋼のフランジの直線状端縁１５１を模式的に示している。
Ｈ型鋼の長手方向に垂直なＡ方向の力に対しては、スパイラル状端縁１２１、１３１を持つフランジ１２、１３も、直線状端縁１５１を持つフランジも、大きな抗力を発揮することができる。しかし、Ｈ型鋼の長手方向に平行なＢ方向の力に対しては、スパイラル状端縁１２１、１３１を持つフランジ１２、１３は、大きな抗力を発揮できるが、直線状端縁１５１を持つフランジは、大きな抗力を発揮することができない。
スパイラル状端縁１２１、１３１を対角線とする矩形１２２、１３２は、Ｂ方向の力に対して摩擦による抗力を発揮するフランジ１２、１３の実効面積を模式的に表している。
この実効面積は、直線状端縁１５１を持つフランジの矩形１５２で表される実効面積に比べて、桁違いに広い。そのため、Ｈ型鋼１０は、捩じることにより周辺地盤に対する摩擦力が増大する。 Moreover, when the pile body which consists of the H-shaped steel 10 with a twist is embed | buried in a soft ground etc., the relative movement of a surrounding ground can be suppressed effectively. This is because the frictional force against the surrounding ground of the H-shaped steel 10 increases due to twisting.
This will be described with reference to FIG. FIG. 4A schematically shows spiral end edges 121 and 131 of the flanges 12 and 13 of the H-shaped steel 10 having torsion, and FIG. 4B shows the flange of the H-shaped steel having no torsion. A straight edge 151 is schematically shown.
For the force in the A direction perpendicular to the longitudinal direction of the H-shaped steel, both the flanges 12 and 13 having the spiral end edges 121 and 131 and the flange having the linear end edge 151 can exert a great resistance. . However, for the force in the B direction parallel to the longitudinal direction of the H-shaped steel, the flanges 12 and 13 having the spiral end edges 121 and 131 can exert a great resistance, but the flange having the linear end edge 151 is , Can not exert great drag.
The rectangles 122 and 132 having the spiral end edges 121 and 131 as diagonal lines schematically represent the effective areas of the flanges 12 and 13 that exert a frictional resistance against the force in the B direction.
This effective area is orders of magnitude wider than the effective area represented by the flange rectangle 152 having the straight edge 151. Therefore, the frictional force with respect to the surrounding ground increases by twisting the H-shaped steel 10.

なお、Ｈ型鋼１０の捩じり角度が９０°より小さいときは、図５に示すように、矩形１２２、１３２で表される実効面積が、図４（ａ）の場合よりも減少する。しかし、この実効面積は、図４（ｂ）の矩形１５２で表される実効面積に比べれば遥かに広い。従って、Ｈ型鋼１０の捩じり角度が９０°より小さくても、Ｈ型鋼１０の周辺地盤に対する摩擦力は増大する。
このように、捩じれたＨ型鋼１０から成る杭体は、長手方向の摩擦力が大きいため、周辺地盤の相対移動を効果的に抑止することができる。 When the torsion angle of the H-shaped steel 10 is smaller than 90 °, the effective area represented by the rectangles 122 and 132 is smaller than that in the case of FIG. 4A as shown in FIG. However, this effective area is much wider than the effective area represented by the rectangle 152 in FIG. Therefore, even if the torsion angle of the H-shaped steel 10 is smaller than 90 °, the frictional force against the surrounding ground of the H-shaped steel 10 increases.
Thus, since the pile body which consists of the twisted H-shaped steel 10 has a large frictional force in a longitudinal direction, the relative movement of a surrounding ground can be suppressed effectively.

捩じれたＨ型鋼１０は、例えば、特開２００１−１９１１２号公報に記載された捩じり加工機を用いて製造することができる。この捩じり加工機は、中心に長尺物の断面形状を象った貫通孔を持つ第１型及び第２型を備えており、この第１型と第２型とが所定距離を置いて対向している。また、第１型は、振り子部材で支持されており、中心軸の回りを回転することができる。この捩じり加工機の第１型及び第２型に形成する貫通孔の形状をＨ型鋼の断面形状に設定し、これらの貫通孔に市販の直線状Ｈ型鋼を挿通して、第１型を所定角度回転することにより、捩じりを加えたＨ型鋼１０を製造することができる。
また、この捩じり加工機を、特開２００５−２８４４２号公報に記載されたＨ型鋼の製造ラインに加えることにより、捩じりを付加したＨ型鋼１０を熱間圧延で製造することができる。 The twisted H-shaped steel 10 can be manufactured using, for example, a twisting machine described in Japanese Patent Application Laid-Open No. 2001-19112. This twisting machine is provided with a first mold and a second mold having a through-hole shaped like a cross section of a long object at the center, and the first mold and the second mold are placed at a predetermined distance. Facing each other. The first mold is supported by a pendulum member and can rotate around the central axis. The shape of the through holes formed in the first mold and the second mold of this twisting machine is set to the cross-sectional shape of the H-shaped steel, and a commercially available linear H-shaped steel is inserted into these through-holes to form the first mold. Is rotated by a predetermined angle, the H-shaped steel 10 to which twisting is applied can be manufactured.
Further, by adding this twisting machine to the H-shaped steel production line described in Japanese Patent Application Laid-Open No. 2005-28442, the H-shaped steel 10 added with twist can be manufactured by hot rolling. .

図１（ｂ）に示す柱体は、補強Ｈ型鋼２０を長手方向に捩じったものであり、Ｈ型鋼に補強部材が追加されている点だけが図１（ａ）の柱体と違っている。補強部材は、Ｔ型の断面形状を構成するウエブ１４及びフランジ１５、並びに、ウエブ１６及びフランジ１７であり、この二つのＴ型補強部材が、Ｈ型鋼のウエブ１１の中間位置で、ウエブ１１の各面に溶接されている。
なお、フランジ１２とフランジ１５との間、フランジ１２とフランジ１７との間、フランジ１３とフランジ１５との間、及び、フランジ１３とフランジ１７との間には隙間を設けて、柱体を捩じるときに、フランジ同士が接触しないように配慮している。 The column shown in FIG. 1 (b) is obtained by twisting a reinforced H-shaped steel 20 in the longitudinal direction, and is different from the column shown in FIG. 1 (a) only in that a reinforcing member is added to the H-shaped steel. ing. The reinforcing members are a web 14 and a flange 15, and a web 16 and a flange 17 constituting a T-shaped cross-sectional shape. These two T-shaped reinforcing members are located at an intermediate position of the web 11 made of H-shaped steel. Welded to each side.
Note that a gap is provided between the flange 12 and the flange 15, between the flange 12 and the flange 17, between the flange 13 and the flange 15, and between the flange 13 and the flange 17. Care is taken so that the flanges do not come into contact with each other.

この柱体では、図２（ｂ）に示すように、Ｈ型鋼の弱軸方向ｙが、補強部材１４、１５、１６、１７で補強されて強軸となるため、長手方向の捩じり角度が９０°より小さい場合でも、中心軸を含む平面には、どの向きの平面にも必ず強軸が含まれることになる。
従って、図１（ｂ）の補強Ｈ型鋼２０は、どの半径方向に対しても強い座屈強度及び曲げ強度を有している。 In this column body, as shown in FIG. 2 (b), the weak axis direction y of the H-shaped steel is reinforced by the reinforcing members 14, 15, 16, and 17 to become a strong axis. Even if is smaller than 90 °, the plane including the central axis always includes the strong axis in any plane.
Accordingly, the reinforced H-shaped steel 20 in FIG. 1B has strong buckling strength and bending strength in any radial direction.

また、図６に示すように、補強Ｈ型鋼２０の捩じれ角度が９０°より小さくても、フランジ１２，１３、１５、１７のそれぞれが、Ｂ方向の力に対して摩擦による抗力を発揮する実効面積を持つことになるため、総合した実効面積は、図１（ａ）のＨ型鋼１０と同程度である。従って、この補強Ｈ型鋼２０の周辺地盤に対する摩擦力は大きく、周辺地盤の相対移動を効果的に抑止することができる。   In addition, as shown in FIG. 6, even if the twist angle of the reinforced H-shaped steel 20 is smaller than 90 °, each of the flanges 12, 13, 15, and 17 is effective in exerting a drag force against the force in the B direction. Since it has an area, the total effective area is about the same as that of the H-shaped steel 10 in FIG. Accordingly, the frictional force of the reinforced H-shaped steel 20 with respect to the surrounding ground is large, and the relative movement of the surrounding ground can be effectively suppressed.

また、図３（ａ）は、捩じれを持つＨ型鋼１０を鋼管３０の内部に配置し、鋼管３０とＨ型鋼１０との隙間を充填材４０で埋めた鋼管柱を示し、また、図３（ｂ）は、捩じれを持つ補強Ｈ型鋼２０を鋼管３０の内部に配置して、その隙間を充填材４０で埋めた鋼管柱を示している。
これらの鋼管柱は、外形的には従来の鋼管柱と変わりがないが、捩じれたＨ型鋼１０や捩じれた補強Ｈ型鋼２０を内蔵しているため、従来のものに比べて非常に高い強度を有している。従って、これらの鋼管柱は、強度を必要とする場所に使われている従来の鋼管柱に代わって、用いることができる。 FIG. 3A shows a steel pipe column in which an H-shaped steel 10 having a twist is arranged inside the steel pipe 30 and a gap between the steel pipe 30 and the H-shaped steel 10 is filled with a filler 40, and FIG. b) shows a steel pipe column in which a reinforced H-shaped steel 20 having a twist is arranged inside a steel pipe 30 and the gap is filled with a filler 40.
Although these steel pipe columns are not different from conventional steel pipe columns in appearance, they contain a twisted H-shaped steel 10 and a twisted reinforced H-shaped steel 20 so that they have a very high strength compared to conventional ones. Have. Therefore, these steel pipe columns can be used in place of conventional steel pipe columns used in places where strength is required.

例えば、地滑りや落石の虞がある傾斜地に建設する防災用障壁の基礎杭や柱として用いることができ、また、複数本を柱列状に建て込み、土留めの壁を構築するために用いることができる。また、鋼管内にコンクリートを充填したＣＦＴ（Concrete Filled steel Tube）柱に代わって、高層建築物やスポーツ施設等の大空間を支え、あるいは、高架道路や高架鉄道、橋梁等の重量物を支持するために用いることができる。
これらの鋼管柱は、設置現場に鋼管を配置して、その中にＨ型鋼１０や補強Ｈ型鋼２０を収容した後、コンクリート等の充填材を充填して形成され、あるいは、配置した鋼管の中に、先にスラリー状の充填材を入れ、次いで、鋼管内にＨ型鋼１０や補強Ｈ型鋼２０を収容して形成される。
この鋼管柱では、Ｈ型鋼１０や補強Ｈ型鋼２０の型鋼が捩じれているため、充填材との摩擦力が増大し、型鋼と充填材とが鋼管内で安定的に保持される。その結果、捩じれによる型鋼の強度の増加とも相俟って、鋼管柱の強度は大幅に改善される。 For example, it can be used as foundation piles or pillars for disaster prevention barriers built on slopes where there is a risk of landslides or falling rocks, and it can be used to build earth retaining walls by building multiple columns in a column. Can do. Also, instead of CFT (Concrete Filled steel Tube) columns filled with concrete in steel pipes, they support large spaces such as high-rise buildings and sports facilities, or support heavy objects such as elevated roads, elevated railways, and bridges. Can be used for
These steel pipe columns are formed by placing a steel pipe at an installation site, housing the H-shaped steel 10 or the reinforced H-shaped steel 20 therein, and then filling with a filler such as concrete, or in the disposed steel pipe. First, a slurry-like filler is put, and then the H-shaped steel 10 and the reinforced H-shaped steel 20 are accommodated in the steel pipe.
In this steel pipe column, since the mold steels of the H-shaped steel 10 and the reinforced H-shaped steel 20 are twisted, the frictional force with the filler is increased, and the mold steel and the filler are stably held in the steel pipe. As a result, combined with an increase in the strength of the die steel due to twisting, the strength of the steel pipe column is greatly improved.

なお、ここでは、円筒形の鋼管３０を示しているが、鋼管の形状は、角型やその他の異形であっても良い。
また、充填材には、セメントミルク、モルタル、合成樹脂等のグラウト（grout）を用いることも可能である。 In addition, although the cylindrical steel pipe 30 is shown here, the shape of the steel pipe may be a square shape or other irregular shapes.
In addition, grout such as cement milk, mortar, and synthetic resin can be used as the filler.

本考案の柱体構造は、土木工事に用いる杭や、重量物を支える支柱、建築物の柱等に広く適用することができ、それらの柱体の強度を高めることができる。   The column structure of the present invention can be widely applied to piles used for civil engineering work, struts supporting heavy objects, building columns, and the like, and the strength of those columns can be increased.

本考案の実施形態に係るＨ型鋼（ａ）と補強Ｈ型鋼（ｂ）の斜視図Perspective view of H-shaped steel (a) and reinforced H-shaped steel (b) according to an embodiment of the present invention 図１のＨ型鋼の端面図（ａ）と補強Ｈ型鋼の端面図（ｂ）End view (a) of H-shaped steel in FIG. 1 and end view (b) of reinforced H-shaped steel 図１のＨ型鋼を埋設した鋼管柱（ａ）と補強Ｈ型鋼を埋設した鋼管柱（ｂ）の斜視図1 is a perspective view of a steel pipe column (a) in which the H-shaped steel of FIG. 1 is embedded and a steel pipe column (b) in which a reinforced H-shaped steel is embedded. 本考案のＨ型鋼の摩擦力（ａ）と従来のＨ型鋼の摩擦力（ｂ）を説明する図The figure explaining the frictional force (a) of the H-shaped steel of the present invention and the frictional force (b) of the conventional H-shaped steel 本考案の捩じれ角度が小さいＨ型鋼の摩擦力を説明する図The figure explaining the frictional force of H shape steel with a small twist angle of the present invention 本考案の補強Ｈ型鋼の摩擦力を説明する図The figure explaining the frictional force of the reinforced H-shaped steel of the present invention

符号の説明Explanation of symbols

１０ Ｈ型鋼
１１ ウエブ
１２ フランジ
１３ フランジ
１４ ウエブ
１５ フランジ
１６ ウエブ
１７ フランジ
２０ 補強Ｈ型鋼
３０ 鋼管
４０ 充填材
１２１ スパイラル状端縁
１３１ スパイラル状端縁
１５１ 直線状端縁 10 H-shaped steel 11 Web 12 Flange 13 Flange 14 Web 15 Flange 16 Web 17 Flange 20 Reinforced H-shaped steel 30 Steel pipe 40 Filler 121 Spiral edge 131 Spiral edge 151 Linear edge

Claims (4)

柱の構成素材である鋼材が、Ｈ型の断面形状を構成するウエブとフランジとを具備し、且つ、長手方向に捩じれ、前記フランジの長手方向の端縁がスパイラル形状を呈していることを特徴とする柱体構造。   A steel material, which is a constituent material of a column, includes a web and a flange that form an H-shaped cross-sectional shape, is twisted in the longitudinal direction, and a longitudinal edge of the flange has a spiral shape. A columnar structure. 請求項１に記載の柱体構造であって、前記鋼材が、先端と後端との間で９０°以上捩じれていることを特徴とする柱体構造。   2. The columnar structure according to claim 1, wherein the steel material is twisted by 90 ° or more between a front end and a rear end. 請求項１または２に記載の柱体構造であって、前記鋼材が、さらに、前記ウエブの両面に、Ｔ型の断面形状を構成するウエブとフランジとを具備していることを特徴とする柱体構造。   3. The column structure according to claim 1, wherein the steel material further includes a web and a flange forming a T-shaped cross-sectional shape on both surfaces of the web. 4. Body structure. 請求項１から３のいずれかに記載の柱体構造であって、前記鋼材が、筒形状の鋼管の中に充填材で固定されていることを特徴とする柱体構造。   The columnar structure according to any one of claims 1 to 3, wherein the steel material is fixed in a cylindrical steel pipe with a filler.
JP2007003239U 2007-05-07 2007-05-07 Column structure Expired - Lifetime JP3133649U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200445662Y1 (en) * 2007-07-23 2009-08-24 대한주택공사 A cast-in place pile using multi-piled up H-beam strengthen directional faults
KR102263651B1 (en) * 2020-10-21 2021-06-10 (주)명원알앤디 Handrail for perdetrain protection having two-dimensional infomation code
KR102263642B1 (en) * 2020-10-21 2021-06-10 (주)명원알앤디 Handrail for perdetrain protection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200445662Y1 (en) * 2007-07-23 2009-08-24 대한주택공사 A cast-in place pile using multi-piled up H-beam strengthen directional faults
KR102263651B1 (en) * 2020-10-21 2021-06-10 (주)명원알앤디 Handrail for perdetrain protection having two-dimensional infomation code
KR102263642B1 (en) * 2020-10-21 2021-06-10 (주)명원알앤디 Handrail for perdetrain protection

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