JP6105837B2 - Pole - Google Patents

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JP6105837B2
JP6105837B2 JP2011153492A JP2011153492A JP6105837B2 JP 6105837 B2 JP6105837 B2 JP 6105837B2 JP 2011153492 A JP2011153492 A JP 2011153492A JP 2011153492 A JP2011153492 A JP 2011153492A JP 6105837 B2 JP6105837 B2 JP 6105837B2
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pole
resistance
foundation
steel plate
concrete
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JP2013019171A (en
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広樹 菊
広樹 菊
至 森弘
至 森弘
勇 漆畑
勇 漆畑
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Nippon Concrete Industries Co Ltd
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Nippon Concrete Industries Co Ltd
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Description

本発明は、配電用電柱、送電用電柱、電灯電話用、アンテナ支持用、防球ネット支持用、防砂ネット支持用、掲揚塔用などに用いられるポールに関する。   The present invention relates to a pole used for a power distribution pole, a power transmission pole, an electric telephone, an antenna support, a ballproof net support, a sandproof net support, a display tower, and the like.

ポールの地中部では、転倒に対する抵抗力を高める為に、図6(a)に示されるようにポール1の基礎部分に根巻きコンクリート2を打設する方法や、図6(b)に示されるように下部基礎体3にポール1を嵌合させ、その隙間をコンクリートまたはモルタル4で充填する方法がある(例えば、特許文献1参照)。   In the underground part of the pole, in order to increase the resistance to falling, as shown in FIG. 6 (a), a method of placing the root-wrapped concrete 2 on the foundation part of the pole 1 or shown in FIG. 6 (b). Thus, there is a method of fitting the pole 1 to the lower base body 3 and filling the gap with concrete or mortar 4 (for example, see Patent Document 1).

実公平7−38586号公報No. 7-38586

ポール1の長さが長尺になるにつれ、暴風等による繰り返し荷重が増加することで、その作用によるゆるみや抜けが起こる恐れがある。そこで、根巻きコンクリート2や下部基礎体3と、ポール1との付着による一体性を増す必要がある。   As the length of the pole 1 becomes longer, a repeated load due to a storm or the like increases, and there is a risk that loosening or disconnection may occur due to its action. Therefore, it is necessary to increase the unity due to adhesion between the root-wrapped concrete 2 and the lower foundation 3 and the pole 1.

本発明は、このような点に鑑みなされたもので、ポール基礎部分を支持する基礎部材との付着による一体性に優れたポールを提供することを目的とする。   This invention is made | formed in view of such a point, and it aims at providing the pole excellent in the integration by adhesion with the base member which supports a pole base part.

求項に記載された発明は、ポール本体の基礎部分に設けられ、この基礎部分を支持する基礎部材に対しせん断抵抗力を増加させる抵抗力増加手段を備え、この抵抗力増加手段は、前記基礎部分に埋め込まれて一体的に設けられた鋼板と、この鋼板に設けられ前記基礎部材に対してせん断抵抗力を増加させる抵抗力増加部とを有する構成のポールである。 The invention described in Motomeko 1, provided the base portion of the pole body comprises a resistance increasing means for increasing the shear resistance to base member for supporting the base portion, the resistance increasing means, It is a pole of the structure which has the steel plate embedded in the said base part, and was provided integrally, and the resistance force increase part which is provided in this steel plate and increases a shear resistance with respect to the said base member.

求項記載の発明によれば、ポール本体の基礎部分に一体的に抵抗力増加手段を設け、基礎部材に対しせん断抵抗力を増加させるので、ポール本体に作用する繰り返し荷重によるゆるみ、抜けに対する抵抗力が大きくなり、ポール本体の基礎部分を支持する基礎部材との付着による一体性に優れた構造を提供できる。 According to the invention Motomeko 1, provided resistance increasing means integral with the base portion of the pole body, because it increases the shear resistance force to the base member, loosening due to repetitive load acting on the pole body, omission As a result, the structure is excellent in unity due to adhesion to the base member that supports the base portion of the pole body.

本発明に係るポールの参考技術を示す断面図である。It is sectional drawing which shows the reference technique of the pole which concerns on this invention. 同上ポールの参考技術を示す断面図である。It is sectional drawing which shows the reference technique of a pole same as the above. 同上ポールの第実施の形態を示す要部断面図である。It is principal part sectional drawing which shows 1st Embodiment of a pole same as the above. 同上ポールの第実施の形態を示す要部断面図である。It is principal part sectional drawing which shows 2nd Embodiment of a pole same as the above. 同上ポールの参考技術を示す要部断面図である。It is principal part sectional drawing which shows the reference technique of a pole same as the above. (a)は、従来のポールに根巻きコンクリートを施工した例の断面図、(b)は、従来のポールを下部基礎体に施工した例の断面図である。(A) is sectional drawing of the example which constructed root winding concrete to the conventional pole, (b) is sectional drawing of the example which constructed the conventional pole to the lower foundation.

以下、本発明を、図1乃至図5の各図に示された種々の実施の形態に基いて詳細に説明する。   Hereinafter, the present invention will be described in detail based on various embodiments shown in each of FIGS.

図1に示された参考技術である表面凹凸タイプのポール11は、コンクリート製のポール本体12における基礎部分の外周面であって少なくともポール設置面13より下側に、ポール本体12の基礎部分を支持する根巻きコンクリートなどの基礎部材14に対しせん断抵抗力を増加させる抵抗力増加手段としての凹凸部15を成型したものである。 The surface unevenness type pole 11 which is the reference technology shown in FIG. 1 is an outer peripheral surface of the foundation portion of the concrete pole body 12 and the foundation portion of the pole body 12 is at least below the pole installation surface 13. The uneven portion 15 is molded as a resistance increasing means for increasing the shear resistance against the foundation member 14 such as the root wrapped concrete to be supported.

なお、ポール設置面13は、必ずしも地表面ではなく、根巻きコンクリートを打設する場合は根巻きコンクリート上端面をポール設置面とし、下部基礎体を設置する場合は、下部基礎体の上端面をポール設置面とする。   Note that the pole installation surface 13 is not necessarily the ground surface.When rooting concrete is placed, the upper end surface of the root winding concrete is used as the pole installation surface, and when installing the lower foundation body, the upper end surface of the lower foundation body is used. The pole installation surface.

この凹凸部15は、ポール製造用の遠心成型機にセットされる型枠にゴム板等の成形材を取付けたり、型枠自体を加工することで成型する。   The concavo-convex portion 15 is molded by attaching a molding material such as a rubber plate to a mold set in a centrifugal molding machine for manufacturing a pole or by processing the mold itself.

例えば、型枠に凸部状のゴム板等の成形材を取付けたり、型枠自体に凸部を加工することでコンクリート外周面に環状または螺旋状の凹部16を付ける。   For example, an annular or spiral concave portion 16 is attached to the concrete outer peripheral surface by attaching a molding material such as a convex rubber plate to the mold or by processing the convex on the mold itself.

同様に、図2に示された参考技術である表面凹凸タイプのポール21は、コンクリート製のポール本体22における基礎部分の外周面であって少なくともポール設置面23より下側に、ポール本体22の基礎部分を支持する根巻きコンクリートなどの基礎部材24に対しせん断抵抗力を増加させる抵抗力増加手段としての凹凸部25を成型したものである。 Similarly, the surface uneven type pole 21 which is the reference technique shown in FIG. 2 is the outer peripheral surface of the foundation portion of the concrete pole main body 22 and at least below the pole installation surface 23, An uneven portion 25 is molded as a resistance increasing means for increasing the shear resistance against a foundation member 24 such as a root-wrapped concrete that supports the foundation.

この凹凸部25は、ポール製造用の遠心成型機にセットされる型枠にゴム板等の成形材を取付けたり、型枠自体に凹溝を加工することで、コンクリート外周面に環状または螺旋状の凸部26を付ける。   The uneven portion 25 is formed in a ring shape or a spiral shape on the outer peripheral surface of the concrete by attaching a molding material such as a rubber plate to a mold set in a centrifugal molding machine for manufacturing a pole, or processing a concave groove in the mold itself. The convex part 26 is attached.

そして、これらの図1および図2に示された参考技術によれば、ポール本体12,22の基礎部分の外周面に、根巻きコンクリートなどの基礎部材14,24に対しせん断抵抗力を増加させる抵抗力増加手段としての凹凸部15,25を設けたので、基礎部材14,24とポール本体12,22との接触面積が大きくなり、基礎部材14,24とポール本体12,22との接触部分でのせん断抵抗力を向上させることができ、ポール本体12,22に作用する繰り返し荷重によるゆるみ、抜けに対する抵抗力が大きくなり、ポール本体12,22を支持する基礎部材との付着による一体性に優れた構造を提供できるとともに、ポール本体12,22の外周面の凹凸部15,25は、型枠のみで容易に形成でき、抵抗力増加手段を安価に設置できる。 And according to these reference techniques shown in FIG. 1 and FIG. 2, the shear resistance force is increased on the outer peripheral surface of the foundation portion of the pole bodies 12 and 22 with respect to the foundation members 14 and 24 such as root winding concrete. Since the uneven portions 15 and 25 as means for increasing the resistance force are provided, the contact area between the base members 14 and 24 and the pole bodies 12 and 22 is increased, and the contact portion between the base members 14 and 24 and the pole bodies 12 and 22 is increased. Can improve the shear resistance of the pole body 12, 22 due to the repeated load acting on the pole body 12, 22 and the resistance to pull-out increases, and the integrity by adhesion to the base member that supports the pole body 12, 22 In addition to providing an excellent structure, the concavo-convex portions 15 and 25 on the outer peripheral surfaces of the pole bodies 12 and 22 can be easily formed only by a mold, and a resistance increasing means can be installed at low cost.

また、図3に示された本発明の第1実施の形態に係る鋼板・リング筋溶接タイプのポール31は、コンクリート製のポール本体32における基礎部分の外周部分であって少なくともポール設置面33より下側に、ポール本体32の基礎部分を支持する基礎部材34に対しせん断抵抗力を増加させる抵抗力増加手段としての鋼板・リング筋35を設置したものである。 Further, the steel plate / ring bar welding type pole 31 according to the first embodiment of the present invention shown in FIG. 3 is an outer peripheral portion of the foundation portion of the concrete pole main body 32 and is at least from the pole installation surface 33. On the lower side, a steel plate / ring bar 35 is installed as a resistance increasing means for increasing the shear resistance against the foundation member 34 that supports the foundation portion of the pole body 32.

この鋼板・リング筋35は、ポール製造用の遠心成型機に型枠とともに鋼板36をセットして、コンクリート成型時にポール本体32の外周面に鋼板36を埋め込むように一体的に取付け、脱型後その鋼板36に抵抗力増加部としてのリング筋37を溶接する。   This steel plate / ring bar 35 is attached to the centrifugal molding machine for pole production together with the formwork and the steel plate 36, and is attached integrally so that the steel plate 36 is embedded in the outer peripheral surface of the pole body 32 during concrete molding. A ring reinforcement 37 as a resistance increasing portion is welded to the steel plate 36.

そして、ポール本体32の基礎部分の外周面側に、根巻きコンクリートなどの基礎部材34に対しせん断抵抗力を増加させる抵抗力増加手段としての鋼板・リング筋35を一体的に設けたので、基礎部材34とポール本体32の外周面側との接触面積が大きくなり、基礎部材34とポール本体32の外周面側との接触部分でのせん断抵抗力を向上させることができ、ポール本体32に作用する繰り返し荷重によるゆるみ、抜けに対する抵抗力が大きくなり、ポール本体32の外周面側を支持する基礎部材34との付着による一体性に優れた構造を提供できるとともに、ポール本体32に埋め込まれた鋼板36に溶接されたリング筋37は、運搬時に障害物と干渉しにくいため、運搬時の取扱いが容易になる。   Since the steel plate / ring bar 35 is integrally provided on the outer peripheral surface side of the foundation portion of the pole body 32 as a resistance increasing means for increasing the shear resistance against the foundation member 34 such as root wound concrete. The contact area between the member 34 and the outer peripheral surface side of the pole body 32 is increased, and the shear resistance at the contact portion between the base member 34 and the outer peripheral surface side of the pole body 32 can be improved. The steel plate embedded in the pole body 32 is capable of providing a structure with excellent integrity due to adhesion to the base member 34 that supports the outer peripheral surface side of the pole body 32. Since the ring reinforcement 37 welded to 36 hardly interferes with an obstacle during transportation, handling during transportation becomes easy.

また、図4に示された本発明の第2実施の形態に係る縞鋼板タイプのポール41は、コンクリート製のポール本体42における基礎部分の外周部分であって少なくともポール設置面43より下側に、ポール本体42の基礎部分を支持する基礎部材44に対しせん断抵抗力を増加させる抵抗力増加手段としての縞鋼板45を設置したものである。 Further, the striped steel plate type pole 41 according to the second embodiment of the present invention shown in FIG. 4 is an outer peripheral portion of the foundation portion of the concrete pole body 42 and at least below the pole installation surface 43. The striped steel plate 45 is installed as a resistance increasing means for increasing the shear resistance against the base member 44 that supports the base portion of the pole body 42.

この縞鋼板45は、鋼板46の表面に抵抗力増加部としての縞模様部47が凸状に加工されたものであり、ポール製造用の遠心成型機に型枠とともにこの縞鋼板45をセットして、コンクリート成型時にポール本体42の外周面に、この縞鋼板45を埋め込むように一体的に取付ける。   The striped steel plate 45 has a striped portion 47 as a resistance increasing portion formed on the surface of the steel plate 46 in a convex shape, and the striped steel plate 45 is set together with a formwork in a centrifugal molding machine for pole production. Thus, the striped steel plate 45 is integrally attached to the outer peripheral surface of the pole body 42 during concrete molding.

そして、ポール本体42の基礎部分の外周面側に、根巻きコンクリートなどの基礎部材44に対しせん断抵抗力を増加させる抵抗力増加手段としての縞鋼板45を一体的に設けたので、根巻きコンクリートなどの基礎部材44とポール本体42の外周面側との接触面積が大きくなり、基礎部材44とポール本体42の外周面側との接触部分でのせん断抵抗力を向上させることができ、ポール本体42に作用する繰り返し荷重によるゆるみ、抜けに対する抵抗力が大きくなり、ポール本体42の外周面側を支持する基礎部材44との付着による一体性に優れた構造を提供できるとともに、従来の型枠内に縞鋼板45をセットするのみで、抵抗力増加手段を容易に形成できる。   Since the striped steel plate 45 is integrally provided on the outer peripheral surface side of the foundation portion of the pole body 42 as a resistance increasing means for increasing the shear resistance against the foundation member 44 such as the root winding concrete. The contact area between the base member 44 and the outer peripheral surface side of the pole main body 42 becomes larger, and the shear resistance force at the contact portion between the base member 44 and the outer peripheral surface side of the pole main body 42 can be improved. The resistance to loosening and pulling off due to repeated loads acting on 42 is increased, and it is possible to provide a structure with excellent integration by adhesion to the base member 44 that supports the outer peripheral surface side of the pole body 42, and within the conventional formwork By simply setting the striped steel plate 45, the resistance increasing means can be easily formed.

また、図5に示された参考技術である洗出しタイプのポール61は、コンクリート製のポール本体62における基礎部分の外周面であって少なくともポール設置面63より下側に、ポール本体62の基礎部分を支持する基礎部材64に対しせん断抵抗力を増加させる抵抗力増加手段としての洗出し粗面65を形成したものである。 Further , the wash-out type pole 61 which is the reference technique shown in FIG. 5 is the outer peripheral surface of the foundation portion of the concrete pole body 62 and at least below the pole installation surface 63, the foundation of the pole body 62. A washed rough surface 65 is formed as a resistance increasing means for increasing the shear resistance against the base member 64 that supports the portion.

この洗出し粗面65の形成方法は、ポール製造用の型枠内面に凝結遅延剤を塗布しておいて、この凝固遅延剤を型枠内で養生されたコンクリート製のポール本体62の外周面に浸透させ、脱型後にジェット水等により凝結遅延剤を塗布した非凝固箇所のモルタル分を除去することで、ポール本体62の外周面の骨材を剥き出しの状態にして、洗出し粗面65を形成する。   The method of forming the washed rough surface 65 is to apply a setting retarder to the inner surface of the mold for pole production, and to form the outer peripheral surface of the concrete pole main body 62 cured in the mold. After removing the mold, the aggregate on the outer peripheral surface of the pole main body 62 is exposed to remove the mortar portion of the non-solidified portion where the setting retarder is applied with jet water or the like after demolding. Form.

そして、ポール本体62の基礎部分の外周面に、根巻きコンクリートなどの基礎部材64に対しせん断抵抗力を増加させる抵抗力増加手段としての洗出し粗面65を設けたので、基礎部材64とポール本体62との接触面積が大きくなり、基礎部材64とポール本体62との接触部分でのせん断抵抗力を向上させることができ、ポール本体62に作用する繰り返し荷重によるゆるみ、抜けに対する抵抗力が大きくなり、ポール本体62を支持する基礎部材64との付着による一体性に優れた構造を提供できるとともに、従来の型枠を用いても、その型枠に凝結遅延剤を塗布するのみで、洗出し粗面65を容易に形成できる。   Since the outer surface of the base portion of the pole main body 62 is provided with a wash rough surface 65 as a resistance increasing means for increasing the shear resistance against the base member 64 such as root wound concrete, the base member 64 and the pole The contact area with the main body 62 is increased, the shear resistance at the contact portion between the base member 64 and the pole main body 62 can be improved, and the resistance to loosening and coming off due to repeated loads acting on the pole main body 62 is large. It is possible to provide a structure with excellent unity by adhesion to the base member 64 that supports the pole body 62, and even if a conventional mold is used, it is only necessary to apply a setting retarder to the mold. The rough surface 65 can be easily formed.

なお、ポール成形後にサンドブラストを実施して、洗出し粗面を形成する方法も適用できる。   A method of forming a washed rough surface by performing sandblasting after pole forming can also be applied.

このように、各図に示された各実施の形態によれば、繰り返し荷重によるゆるみ、抜けに対する各ポールの抵抗力が大きくなり、一体性に優れた構造のポールを提供できる。   As described above, according to each embodiment shown in each figure, the resistance force of each pole against loosening and coming off due to repeated loads is increased, and a pole having a structure excellent in unity can be provided.

なお、各ポールにおけるポール本体は、コンクリート製に限定されない。例えば、図3に示されたリング筋溶接タイプのポール31は、ポール本体が鋼管製の場合にも適用できる。   The pole body in each pole is not limited to concrete. For example, the ring-type welded pole 31 shown in FIG. 3 can also be applied when the pole body is made of steel pipe.

本発明は、ポールの製造業、販売業または施工業などにおいて利用可能である。   The present invention can be used in the manufacturing industry, the sales industry, the industrial industry, etc.

11,21,31,41,61 ポール
12,22,32,42,62 ポール本体
13,23,33,43,63 ポール設置面
14,24,34,44,64 基礎部材
15 抵抗力増加手段としての凹凸部
25 抵抗力増加手段としての凹凸部
35 抵抗力増加手段としての鋼板・リング筋
36 鋼板
37 抵抗力増加部としてのリング筋
45 抵抗力増加手段としての縞鋼板
46 鋼板
47 抵抗力増加部としての縞模様部
65 抵抗力増加手段としての洗出し粗面
11, 21, 31, 41, 61 pole
12, 22, 32, 42, 62 Pole body
13, 23, 33, 43, 63 Pole installation surface
14, 24, 34, 44, 64 Foundation members
15 Concavity and convexity as a means to increase resistance
25 Concavity and convexity as a means to increase resistance
35 Steel plates and ring bars as means to increase resistance
36 Steel plate
37 Ring muscle as a resistance increasing part
45 Striped steel as a means to increase resistance
46 Steel plate
47 Striped pattern as resistance increase
65 Washed rough surface as a means to increase resistance

Claims (1)

ポール本体の基礎部分に設けられ、この基礎部分を支持する基礎部材に対しせん断抵抗力を増加させる抵抗力増加手段を備え、
この抵抗力増加手段は、前記基礎部分に埋め込まれて一体的に設けられた鋼板と、この鋼板に設けられ前記基礎部材に対してせん断抵抗力を増加させる抵抗力増加部とを有する
ことを特徴とするポール。
Provided in the base portion of the pole body, with a resistance increasing means for increasing the shear resistance against the base member supporting the base portion,
The resistance increasing means includes a steel plate embedded in the foundation portion and provided integrally, and a resistance increasing portion provided on the steel plate and increasing a shear resistance against the foundation member. Paul.
JP2011153492A 2011-07-12 2011-07-12 Pole Active JP6105837B2 (en)

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JP6105837B2 true JP6105837B2 (en) 2017-03-29

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