JP6721185B2 - Futon basket body panel, futon basket, and civil engineering structure - Google Patents

Futon basket body panel, futon basket, and civil engineering structure Download PDF

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JP6721185B2
JP6721185B2 JP2017149783A JP2017149783A JP6721185B2 JP 6721185 B2 JP6721185 B2 JP 6721185B2 JP 2017149783 A JP2017149783 A JP 2017149783A JP 2017149783 A JP2017149783 A JP 2017149783A JP 6721185 B2 JP6721185 B2 JP 6721185B2
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panel
futon basket
wire rods
main
wire
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JP2019027215A (en
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坂本 茂
茂 坂本
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小岩金網株式会社
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本発明は、布団篭の本体パネルと、本体パネルを用いてなる布団篭と、布団篭を用いてなる土木構造物に関する。 The present invention relates to a main body panel of a futon basket, a futon basket using the main body panel, and a civil engineering structure using the futon basket.
布団篭にかかる従来技術として、底面と対向する2枚の側壁からなる断面倒コの字形状の本体パネルと本体パネルの両端部を塞ぐ端部パネルを備えた布団篭が知られている。
この布団篭を用いて擁壁や護岸などの土木構造物を構築するには、擁壁などの連続方向に沿って本体パネルを連接配置し、最端部を端部パネルで塞ぎ、内部に玉石などの中詰材を投入する。この作業を下段から上段へ繰り返すことで、段積み構造の土木構造物が完成する。
特許文献1〜3には、本体パネルの各面材を格子状の溶接金網で構成した布団篭が開示されている。溶接金網は菱形金網に比べて面的強度が高いため、機械施工による中詰め作業が可能であり、また、剛性に優れた堅牢な構造を実現できる。
As a conventional technique related to a futon basket, a futon basket including a main body panel having an inverted U-shaped cross section and two end panels for closing both ends of the main body panel is known.
To build civil engineering structures such as retaining walls and revetments using this futon basket, the main body panels are connected and arranged along the continuous direction of the retaining wall, etc., and the outermost end is closed by the end panel, and the cobblestone is inside. Put the filling material such as. By repeating this work from the lower stage to the upper stage, a civil engineering structure having a stacked structure is completed.
Patent Literatures 1 to 3 disclose futon baskets in which each face material of the main body panel is formed of a grid-like welded wire mesh. Since the welded wire mesh has a higher surface strength than the diamond-shaped wire mesh, the filling work by mechanical construction can be performed, and a solid structure with excellent rigidity can be realized.
特開2001−248138号公報JP 2001-248138 A 特開2003−138542号公報JP, 2003-138542, A 実用新案登録第3116263号公報Utility model registration No. 3116263
従来技術の布団篭を用いた土木構造物は、供用後一定の時間が経過すると、粒径の小さい中詰材が網目から流出したり中詰材同士が移動して噛み合うことによって、布団篭内の中詰材全体が沈下する。
ここで、溶接金網の布団篭は剛性に優れる反面柔軟性に乏しく、下段の布団篭の中詰材が沈下しても上段の布団篭の底面がこれに追従して変形できないため、下段の中詰材の上部に空隙Gが生じる(図5)。このように、上段の中詰材と下段の中詰材が底面に縁切りされることで、土木構造物が一体性の弱い不安定な構造となる。
A civil engineering structure using a futon basket of the prior art has a structure in which the filling material with a small particle size flows out from the mesh or the filling materials move and mesh with each other after a certain period of time has passed, and the inside of the futon basket The entire filling material of the item sinks.
Here, the futon basket of the welded wire mesh is excellent in rigidity, but is poor in flexibility, and even if the filling material of the lower futon basket sinks, the bottom of the upper futon basket cannot follow the deformation, so An air gap G is formed on the top of the filling material (FIG. 5). In this way, the upper and lower filling materials are trimmed at the bottom surface, so that the civil engineering structure has an unstable structure with weak integrity.
以上の問題点に鑑みて、本発明は剛性と柔軟性を兼ね備えた布団篭の本体パネルおよび布団篭、並びに強固な一体性を備えた土木構造物を提供することを目的とする。 In view of the above problems, it is an object of the present invention to provide a main body panel and a futon basket of a futon basket having both rigidity and flexibility, and a civil engineering structure having strong integrity.
本発明の布団篭の本体パネルは、側面部が複数の縦線材と、これと略直交する複数の横線材からなり、底面部が、幅方向に延在する複数の連結線材からなり、連結線材の両端が縦線材と連続していることを特徴とする。
この構造によれば、底面部の線材の本数を減らすことで、中詰材への追従性の向上、材料コストの削減、および軽量化を図ることができる。
The main body panel of the futon basket of the present invention has a side surface made up of a plurality of vertical wire rods and a plurality of horizontal wire rods substantially orthogonal thereto, and a bottom face made up of a plurality of connecting wire rods extending in the width direction. Both ends of are continuous with the vertical wire.
According to this structure, by reducing the number of wires on the bottom surface, it is possible to improve the followability to the filling material, reduce the material cost, and reduce the weight.
本発明の布団篭の本体パネルは、側面部が複数の縦線材と、これと略直交する複数の横線材からなり、底面部が、幅方向に延在する複数の連結線材と、これと略直交する複数の補強線材とからなり、縦線材が連結線材の両端と連続し、補強線材が底面部の幅方向両端部付近のみに位置することを特徴とする。
この構造によれば、補強線材による格子構造で底面部の側端部を補強しつつ、中央部で中詰材への追従性を発揮することができる。
The main body panel of the futon basket of the present invention is composed of a plurality of vertical wire members whose side surface portions are a plurality of horizontal wire members substantially orthogonal to the vertical wire member, and a plurality of connecting wire members whose bottom surface portion extends in the width direction, and It is characterized in that it is composed of a plurality of reinforcing wire rods orthogonal to each other, the vertical wire rods are continuous with both ends of the connecting wire rods, and the reinforcing wire rods are located only near both end portions in the width direction of the bottom face portion.
According to this structure, it is possible to reinforce the side end portion of the bottom surface portion with the lattice structure of the reinforcing wire material while exhibiting the followability to the filling material in the central portion.
本発明の布団篭は、連接配置した複数の本体パネルと、最端部を塞ぐ複数の端部パネルと、複数の連結材と、複数の補強材と、を備えることを特徴とする。
この構造によれば、側面部における剛性と底面部における追従性を兼備した布団篭を提供することができる。
The futon basket of the present invention is characterized by including a plurality of main body panels that are arranged in an interconnected manner, a plurality of end panels that close the endmost portions, a plurality of connecting members, and a plurality of reinforcing members.
According to this structure, it is possible to provide the futon basket having both the rigidity on the side surface portion and the followability on the bottom surface portion.
本発明の土木構造物は、段積み配置した布団篭と中詰材を備える。
この構造によれば、剛性に優れた側面部と追従性に優れた底面部の組合せによって、所望の構造強度を備えつつ、中詰材の強い一体性を備えた堅牢な土木構造物を提供できる。
The civil engineering structure of the present invention includes futon baskets and filling materials arranged in a stack.
According to this structure, it is possible to provide a robust civil engineering structure having a strong integrity of the filling material while having a desired structural strength by combining the side portion having excellent rigidity and the bottom portion having excellent followability. ..
本発明は、以上の構成を備えるため、次の効果のうち少なくとも一つを備える。
<1>底面部が格子構造でなく線材の並列構造からなるため、目開きが容易で中詰材の形状に追従可能な柔軟性を備える。このため、下段の布団篭内の中詰材が沈下しても、上段の連結線材が目開きして上段の中詰材と下段の中詰材が噛み合うことで、空隙の発生を防止し、上下の中詰材が強固に一体化した堅牢な土木構造物を構築することができる。
<2>底面部の線材の本数を減らすことで、製造コストを削減することができる。
<3>底面部の線材の本数を減らすことで、本体パネルを軽量化することができる。
Since the present invention has the above configuration, it has at least one of the following effects.
<1> Since the bottom portion is not a lattice structure but a parallel structure of wire rods, it is easy to open and has the flexibility to follow the shape of the filling material. Therefore, even if the filling material in the lower futon basket sinks, the upper connecting wire meshes and the upper filling material and the lower filling material mesh, preventing the occurrence of voids, It is possible to construct a robust civil engineering structure in which upper and lower filling materials are firmly integrated.
<2> Manufacturing cost can be reduced by reducing the number of wires on the bottom surface.
<3> By reducing the number of wires on the bottom surface portion, the weight of the main body panel can be reduced.
本発明の本体パネルの説明図。Explanatory drawing of the main body panel of this invention. 本発明の布団篭の説明図。Explanatory drawing of the futon basket of this invention. 底面部の機能の説明図。Explanatory drawing of the function of a bottom face part. 実施例2の説明図。Explanatory drawing of Example 2. 従来技術の説明図。Explanatory drawing of a prior art.
以下、図面を参照しながら本発明について詳細に説明する。
なお、本明細書等における各方向は、本発明の布団篭を底面を下に地盤に設置した状態における各方向を表す。
Hereinafter, the present invention will be described in detail with reference to the drawings.
In addition, each direction in this specification etc. represents each direction in the state which installed the futon basket of this invention in the ground with the bottom face down.
[本体パネル]
<1>全体の構成(図1)。
本発明の布団篭1の本体パネル10は、断面倒コの字形状を呈する、布団篭1の主構造部材である。
本体パネル10は、格子状の溶接金網からなる2枚の側面部11の底端部を、複数の線材からなる底面部12で連結した一体構造である。
側面部11および底面部12を構成する各線材の素材には、亜鉛メッキ鉄線、亜鉛アルミ合金メッキ鉄線等を採用する。
[Main body panel]
<1> Overall configuration (FIG. 1).
The main body panel 10 of the futon basket 1 of the present invention is a main structural member of the futon basket 1 having an inverted U-shaped cross section.
The main body panel 10 has an integrated structure in which the bottom end portions of two side surface portions 11 made of a grid-like welded wire mesh are connected by a bottom portion 12 made of a plurality of wire rods.
A zinc-plated iron wire, a zinc-aluminum alloy-plated iron wire, or the like is adopted as a material of each wire material forming the side surface portion 11 and the bottom surface portion 12.
<2>側面部。
側面部11は、複数の縦線材11aと、縦線材11aと略直交する複数の横線材11bを溶接してなる溶接金網である。
<2> Side part.
The side surface portion 11 is a welded wire net formed by welding a plurality of vertical wire rods 11a and a plurality of horizontal wire rods 11b substantially orthogonal to the vertical wire rods 11a.
<3>底面部。
底面部12は、幅方向に延在する複数の連結線材12aを並列してなる。
連結線材12aの両端は、対向する2つの側面部11の縦線材11aとそれぞれ連続する。
<3> Bottom part.
The bottom surface portion 12 is formed by arranging a plurality of connecting wire rods 12 a extending in the width direction in parallel.
Both ends of the connecting wire rod 12a are continuous with the vertical wire rods 11a of the two facing side surface portions 11, respectively.
<4>本体パネルの機能。
布団篭の構造において、側面部は、土圧や中詰材による内圧に抵抗するため、比較的強い剛性を必要とする一方、底面部は地盤や下段の布団篭の中詰材に支持されているため、側面部ほどの剛性を必要としない。
そこで本発明の本体パネル10は、側面部11を剛性の高い溶接金網とする一方、底面部12を溶接金網ではなく連結線材12aの並列構造とすることで、後述する土木構造物Aの一体化機能、線材の本数の削減によるコスト低減機能、および軽量化機能などの複数の機能を発揮することができる。
<4> Function of the main body panel.
In the structure of the futon basket, the side surface requires relatively strong rigidity to resist the earth pressure and the internal pressure due to the filling material, while the bottom part is supported by the ground or the bottom padding of the futon basket. Therefore, it does not require as much rigidity as the side surface.
Therefore, in the main body panel 10 of the present invention, the side surface portion 11 is made of a highly rigid welded wire net, while the bottom surface portion 12 is made of a parallel structure of the connecting wire rods 12a instead of the welded wire net, thereby integrating the civil engineering structure A described later. It is possible to exhibit a plurality of functions such as a function, a cost reduction function by reducing the number of wires, and a weight saving function.
[布団篭]
引き続き、本発明の布団篭について説明する。
<1>全体の構成(図2)。
本発明の布団篭1は、長手方向に沿って連接配置した複数の本体パネル10と、最端部の本体パネル10の側面部11間を塞ぐ複数の端部パネル20と、複数の連結材30と、複数の補強材40と、を少なくとも備える。
本体パネル10を長さ方向に連結することによって、布団篭1の長さを延長することができる。なお、図2では連続する布団篭1の一端のみを表している。
[Futon basket]
Next, the futon basket of the present invention will be described.
<1> Overall configuration (FIG. 2).
The futon basket 1 of the present invention includes a plurality of main body panels 10 arranged in series along the longitudinal direction, a plurality of end panels 20 that close the space between the side surface portions 11 of the endmost body panel 10, and a plurality of connecting members 30. And at least a plurality of reinforcing members 40.
By connecting the body panels 10 in the length direction, the length of the futon basket 1 can be extended. Note that FIG. 2 shows only one end of the continuous futon basket 1.
<2>端部パネル。
端部パネル20は、布団篭1の両端部を塞ぐ面材である。
本例では、端部パネル20として、矩形の溶接金網を採用する。なお、これに限られず、側面部の下端に水平部を備えた、断面L字形状の溶接金網を採用してもよい。
端部パネル20の網目ピッチは、本体パネル10の側面部11のピッチに対応させるのが望ましい。
<2> Edge panel.
The end panel 20 is a face material that closes both ends of the futon basket 1.
In this example, a rectangular welded wire mesh is adopted as the end panel 20. Note that the present invention is not limited to this, and a welded wire net having an L-shaped cross section, which has a horizontal portion at the lower end of the side surface portion, may be adopted.
It is desirable that the mesh pitch of the end panel 20 corresponds to the pitch of the side surface portion 11 of the main body panel 10.
<3>連結材。
連結材30は、隣接する本体パネル10同士および本体パネル10と端部パネル20を連結する部材である。
本例では、連結材30として金網の線材に巻き付けるコイル材を採用する。これを本体パネル10および端部パネル20の端部の縦線材に巻き付けることで、両者を接続する。
なお、連結材30はこれに限られず、番線やクリップなど公知の連結手段を採用することができる。
また、本体パネル10の側面部11または底面部12と端部パネル20の間に、後述する補強材40のような構造の線材を掛け渡して連結してもよい。
<3> connecting material.
The connecting member 30 is a member that connects the adjacent main body panels 10 and the main body panel 10 and the end panel 20.
In this example, a coil material wound around the wire of the wire mesh is used as the connecting material 30. By winding this around the vertical wire rods at the end portions of the main body panel 10 and the end portion panel 20, both are connected.
The connecting member 30 is not limited to this, and a known connecting means such as a numbered wire or a clip can be adopted.
Further, between the side surface portion 11 or the bottom surface portion 12 of the main body panel 10 and the end panel 20, a wire having a structure such as a reinforcing material 40 described later may be hung and connected.
<4>補強材。
補強材40は、本体パネル10の対向する側面部11間に掛け渡して両者を拘束する部材である。
本例では、補強材40として、両端に本体パネル10の線材に掛止する鉤状部を備えた亜鉛めっき鉄線または亜鉛アルミ合金めっきの鉄線を採用する。
なお、補強材40はこれに限られず、ベルトやワイヤロープなど、要は本体パネルの側面部11間を拘束して補強可能な構成であればよい。
<4> Reinforcing material.
The reinforcing member 40 is a member that spans between the opposing side surface portions 11 of the main body panel 10 to restrain them.
In this example, as the reinforcing member 40, a zinc-plated iron wire or a zinc-aluminum alloy-plated iron wire having hook-shaped portions for hooking the wire rod of the main body panel 10 at both ends is adopted.
The reinforcing member 40 is not limited to this, and may be any structure such as a belt or a wire rope that can restrain the space between the side surface portions 11 of the main body panel for reinforcement.
[土木構造物]
引き続き、本発明の土木構造物について説明する。
なお、本例では土留め擁壁に適用した例について説明するが、これに限られず、海岸や河川の護岸にも適用できる。
<1>全体の構成。
本発明の土木構造物Aは、布団篭1の内部に中詰材Mを充填し、これを斜面前面に段積み配置してなる。上段の布団篭1は下段の布団篭1に対して斜面側にずらした状態で階段状に配置する。
この他、布団篭1の背面と斜面の間に裏込材を充填したり吸出し防止材を敷設してもよい。
[Civil engineering structure]
Subsequently, the civil engineering structure of the present invention will be described.
In addition, although this example demonstrates the example applied to the earth retaining wall, it is not limited to this and can also be applied to the revetment of a coast or a river.
<1> Overall configuration.
In the civil engineering structure A of the present invention, the inside of the futon basket 1 is filled with the filling material M, and the filling material M is stacked and arranged on the front surface of the slope. The futon baskets 1 on the upper row are arranged in a staircase pattern with the futon baskets 1 on the lower row shifted to the slope side.
In addition, a backfill material may be filled or a suction preventive material may be laid between the back surface and the slope of the bedding basket 1.
<2>中詰材。
本例では中詰材Mとして玉石を採用する。ただし、これに限られず、側面部11および底面部12の各ピッチに適合すれば、砕石、再生砕石、割栗石などを採用してもよい。
<2> Filling material.
In this example, boulders are used as the filling material M. However, the present invention is not limited to this, and crushed stones, recycled crushed stones, crushed stones, and the like may be adopted as long as they match the pitches of the side surface portion 11 and the bottom surface portion 12.
<3>中詰材の一体化(図3)。
本発明の土木構造物Aは、本体パネル10の底面部12が溶接金網による格子構造でなく連結線材12aの並列構造からなるため、目開きが容易で中詰材Mの形状に追従可能な柔軟性を備える。
従って、下段の布団篭1内の中詰材Mが沈下すると、上段の底面部12の連結線材12aが、中詰材Mの荷重によって最底部の中詰材Mに押し出されて目開きする。これによって、上段の中詰材Mの下部が下段の布団篭1内に突出し、上段の中詰材Mと下段の中詰材Mが噛み合うことで上下段の中詰材M間の空隙Gが解消される。
以上のように、底面部12の優れた追従性によって、上下の中詰材Mが強固に一体化した堅牢な土木構造物Aを構築することができる。
<3> Integration of filling materials (Fig. 3).
In the civil engineering structure A of the present invention, since the bottom surface portion 12 of the main body panel 10 has a parallel structure of the connecting wire rods 12a instead of the lattice structure of the welded wire mesh, it is easy to open and can follow the shape of the filling material M. Have sex.
Therefore, when the filling material M in the lower futon basket 1 sinks, the connecting wire 12a of the bottom portion 12 of the upper stage is pushed out by the load of the filling material M to the filling material M at the bottom and opens. As a result, the lower portion of the upper-stage filling material M projects into the lower-bed futon basket 1, and the upper-stage filling material M and the lower-stage filling material M mesh with each other to form a gap G between the upper-stage filling material M. Will be resolved.
As described above, due to the excellent followability of the bottom portion 12, it is possible to construct a robust civil engineering structure A in which the upper and lower filling materials M are firmly integrated.
[底面部の両端に補強線材を有する例(図4)]
実施例1の本体パネル10は底面部12が平行配列した連結線材12aのみからなるが、本実施例では底面部12の両側端部付近に、連結線材12aと直交する補強線材12bを備える。
ここで両側端部付近とは、底面部12の幅方向の両端からそれぞれ1/3程度の範囲をいい、中央部には補強線材12bを有さない。
本例では、補強線材12bによる格子構造で底面部12の側端部を補強しつつ、中央部で中詰材Mへの追従性を発揮することができる。
[Example of having reinforcing wire at both ends of the bottom surface (Fig. 4)]
The main body panel 10 of the first embodiment is composed only of the connecting wire rods 12a in which the bottom surface portions 12 are arranged in parallel, but in the present embodiment, the reinforcing wire rods 12b orthogonal to the connecting wire rods 12a are provided near both side end portions of the bottom surface portion 12.
Here, the vicinity of both end portions means a range of about 1/3 from both ends of the bottom surface portion 12 in the width direction, and the reinforcing wire 12b is not provided in the central portion.
In this example, the side end portions of the bottom surface portion 12 are reinforced by the lattice structure of the reinforcing wire 12b, and the central portion can exhibit the followability to the filling material M.
1 布団篭
10 本体パネル
11 側面部
11a 縦線材
11b 横線材
12 底面部
12a 連結線材
12b 補強線材
20 端部パネル
30 連結材
40 補強材
A 構造物
G 空隙
M 中詰材
1 Futon Basket 10 Main Body Panel 11 Side Surface 11a Vertical Wire 11b Horizontal Wire 12 Bottom 12a Connecting Wire 12b Reinforcing Wire 20 End Panel 30 Connecting 40 Reinforcing Material A Structure G Void M Filling Material

Claims (4)

  1. 底面部と、前記底面部の両側端から上方に立設した2枚の側面部と、を備えた断面コの字形状を呈する、布団篭の本体パネルであって、
    前記側面部は、複数の縦線材と、前記縦線材と略直交する複数の横線材と、からなり、
    前記底面部は、前記2枚の側面部同士が対向する方向である幅方向に延在する複数の連結線材のみからなり、
    複数の前記連結線材の両端が複数の前記縦線材と一体に連続していることを特徴とする、
    布団篭の本体パネル。
    Presenting a bottom portion, the shape of the cross-sectional face having a, and two side portions erected upward from both side ends of the bottom portion, a body panel of the futon basket,
    The side surface portion includes a plurality of vertical wire rods and a plurality of horizontal wire rods substantially orthogonal to the vertical wire rods,
    The bottom surface portion is composed only of a plurality of connecting wire rods extending in the width direction, which is a direction in which the two side surface portions face each other.
    Both ends of the plurality of connecting wire rods are integrally continuous with the plurality of vertical wire rods,
    Futon basket body panel.
  2. 底面部と、前記底面部の両側端から上方に立設した2枚の側面部と、を備えた断面コの字形状を呈する、布団篭の本体パネルであって、
    前記側面部は、複数の縦線材と、前記縦線材と略直交する複数の横線材と、からなり、
    前記底面部は、前記2枚の側面部同士が対向する方向である幅方向に延在する複数の連結線材と、前記連結線材と略直交する補強線材と、からなり、
    複数の前記連結線材の両端が複数の前記縦線材と連続しており、
    前記複数の補強線材が前記底面部の幅方向両端部付近に複数本ずつ位置し、その他の部分に位置しないことで、前記底面部の幅方向中央部を幅方向両端部付近に比べて目開きしやすく構成したことを特徴とする、
    布団篭の本体パネル。
    Presenting a bottom portion, the shape of the cross-sectional face having a, and two side portions erected upward from both side ends of the bottom portion, a body panel of the futon basket,
    The side surface portion includes a plurality of vertical wire rods and a plurality of horizontal wire rods substantially orthogonal to the vertical wire rods,
    The bottom surface portion includes a plurality of connecting wire rods extending in a width direction that is a direction in which the two side surface portions face each other, and a reinforcing wire rod that is substantially orthogonal to the connecting wire rods,
    Both ends of the plurality of connecting wire rods are continuous with the plurality of vertical wire rods,
    The plurality of reinforcing wire rods are positioned near both ends in the width direction of the bottom surface portion, respectively, and are not located in other portions, so that the widthwise central portion of the bottom surface portion is opened as compared with the vicinity of both widthwise end portions. It is characterized by being configured easily
    Futon basket body panel.
  3. 請求項1又は2に記載の本体パネルを有する布団篭であって、
    長手方向に沿って連接配置した複数の前記本体パネルと
    最端部の前記本体パネルの側面部間を塞ぐ複数の端部パネルと、
    隣接する2つの前記本体パネルおよび前記本体パネルと前記端部パネルを連結する複数の連結材と、
    複数の前記本体パネルの対向する側面部間を拘束する複数の補強材と、を備えることを特徴とする、
    布団篭。
    A futon basket having the main body panel according to claim 1 or 2,
    A plurality of main body panels arranged along the longitudinal direction and a plurality of end panels that close the space between the side surfaces of the main body panel at the endmost portion;
    Two adjacent main body panels and a plurality of connecting members connecting the main body panel and the end panel,
    A plurality of reinforcing members for constraining between the opposing side surface portions of the plurality of main body panels,
    Futon basket.
  4. 請求項3に記載の布団篭を用いてなる土木構造物であって、
    段積み配置した前記布団篭と、
    前記布団篭の内部に充填されている中詰材と、を備えることを特徴とする、
    土木構造物。
    A civil engineering structure comprising the futon basket according to claim 3,
    With the futon basket arranged in a stack,
    And a filling material filled inside the futon basket,
    Civil engineering structure.
JP2017149783A 2017-08-02 2017-08-02 Futon basket body panel, futon basket, and civil engineering structure Active JP6721185B2 (en)

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