JP5555571B2 - Drain material connection structure - Google Patents
Drain material connection structure Download PDFInfo
- Publication number
- JP5555571B2 JP5555571B2 JP2010182236A JP2010182236A JP5555571B2 JP 5555571 B2 JP5555571 B2 JP 5555571B2 JP 2010182236 A JP2010182236 A JP 2010182236A JP 2010182236 A JP2010182236 A JP 2010182236A JP 5555571 B2 JP5555571 B2 JP 5555571B2
- Authority
- JP
- Japan
- Prior art keywords
- drain material
- drain
- sleeve
- plate
- connection structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 title claims description 223
- 239000004744 fabric Substances 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000035699 permeability Effects 0.000 claims description 10
- 230000004927 fusion Effects 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 description 11
- 239000012209 synthetic fiber Substances 0.000 description 11
- 239000002689 soil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 229920006167 biodegradable resin Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000011041 water permeability test Methods 0.000 description 1
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
本発明は、軟弱地盤を改良するドレーン工法に使用されるドレーン材の連結構造に関する。 The present invention relates to a connection structure of drain materials used in a drain method for improving soft ground.
改良しようとする土層内にドレーン材を打設して土層中の水を排出するドレーン工法は、軟弱地盤の改良に広く使用されている。ドレーン工法の一種であるプラスチックボードドレーン(ＰＢＤ)工法は、長手方向に沿って溝が形成されたブラスチック樹脂製芯体と、該芯体を囲うフィルタとを備える帯状のドレーン材を、鉛直方向に沿って土層に打設することを特徴とする(例えば、特開２００６−３０７５５２号公報を参照のこと)。 A drain construction method in which a drain material is placed in a soil layer to be improved and water in the soil layer is discharged is widely used for improving soft ground. A plastic board drain (PBD) method, which is a kind of drain method, is a belt-like drain material comprising a plastic resin core body having grooves formed along the longitudinal direction and a filter surrounding the core body. (See, for example, JP-A-2006-307552).
ＰＢＤ工法において、帯状のドレーン材は、ロール状に巻かれた状態で施工現場まで搬送されて、施工現場にて打設機の収納リールに装着される。ドレーン材の一端側は、打設機のガイド手段や垂直に設けられた中空ケーシングの内部を通って、該ケーシングの下端から引き出される。ケーシングから引き出されたドレーン材の部分には、アンカー材が取り付けられる。下端にアンカー材が配置された状態でケーシングが土層に打ち込まれて、アンカー材が地中から所定の深さに至ると、ケーシングが引き抜かれて、地表付近にてドレーン材が切断される。これにて、一本のドレーン材の打設が完了する。 In the PBD method, the belt-shaped drain material is transported to the construction site in a state of being wound in a roll shape, and is mounted on the storage reel of the driving machine at the construction site. One end side of the drain material is pulled out from the lower end of the casing through the guide means of the driving machine and the inside of the hollow casing provided vertically. An anchor material is attached to the portion of the drain material drawn from the casing. When the anchor material is disposed at the lower end, the casing is driven into the soil layer, and when the anchor material reaches a predetermined depth from the ground, the casing is pulled out and the drain material is cut near the ground surface. This completes the placement of one drain material.
ドレーン材の打設が繰り返されて、打設機に装着されているドレーン材が少なくなると、装着されているドレーン材の他端側と、未使用の(ロール状の)ドレーン材の一端側とを連結することで、ドレーン材を補充することが一般的に行われている。図９は、従来のドレーン材の連結構造を示す斜視図である。第１ドレーン材(1)と第２ドレーン材(3)は、短い第３ドレーン材(8)をあて板として連結されている。第３ドレーン材(8)と第１ドレーン材(1)は、また、第３ドレーン材(8)と第２ドレーン材(3)は、ステープル(7)を用いて接合されており、第３ドレーン材(8)の長さは、通常、連結部の引張強度が維持できる２０ｃｍ程度にされる。 When the drain material is repeatedly placed and the drain material attached to the placement machine decreases, the other end side of the attached drain material and the one end side of the unused (roll-like) drain material In general, the drain material is replenished by connecting the two. FIG. 9 is a perspective view showing a conventional connecting structure of drain materials. The first drain material (1) and the second drain material (3) are connected with a short third drain material (8) as a plate. The third drain material (8) and the first drain material (1) are joined using the staple (7), and the third drain material (8) and the second drain material (3) are joined together. The length of the drain material (8) is usually about 20 cm that can maintain the tensile strength of the connecting portion.
第１ドレーン材(1)又は第２ドレーン材(3)の一部を切断して当て板として使用できるので、図９に示すドレーン材の連結構造には、特別な部材を使用することなくこれらドレーン材(1)(3)を連結し、構造的に単純である利点がある。しかしながら、連結部にて厚さは２倍となって、連結部における可撓性の悪化が顕著となるので、連結部及びその周辺にて連結後のドレーン材が十分に湾曲しない事態が起こり得る。このために、打設機内の湾曲箇所(例えば、特開２００６−３０７５５２号公報に開示された打設機１のローラ２０)を通過する際に連結部が引っ掛かったり、逸脱する恐れがあった。また、図９に示すドレーン材の連結構造では、連結部にて、第３ドレーン材(8)の厚さ(例えば、約３乃至５ｍｍ程度)分の段差が生じる。このために、連結部がケーシングに入る際に、第３ドレーン材(8)の端部がケーシングの端部に当接して引っ掛かる恐れがあった。
Since a part of the first drain material (1) or the second drain material (3) can be cut and used as a backing plate, the drain material connection structure shown in FIG. 9 can be used without using any special members. There is an advantage that the drain materials (1) and (3) are connected and are structurally simple. However, since the thickness is doubled at the connecting portion and the deterioration of the flexibility at the connecting portion becomes remarkable, there may occur a situation where the drain material after the connection is not sufficiently curved at the connecting portion and its periphery. . For this reason, there is a possibility that the connecting portion may be caught or deviated when passing through a curved portion in the driving machine (for example, the roller 20 of the
また、図９に示すドレーン材の連結構造では、突き合わされた第１ドレーン材(1)の端部と第２ドレーン材(3)の端部との間の隙間が露出し、この隙間から、土中の汚水がドレーン材(1)(3)のフィルタ部材を介さずに、ドレーン材(1)(3)内に流入する。このように、従来のドレーン材の連結構造では、ドレーン材(1)(3)の芯体の溝が泥で詰まって、連結後のドレーン材(1)(3)の排水機能が低下する恐れもあった。 Further, in the drain material connection structure shown in FIG. 9, a gap is exposed between the end of the first drain material (1) and the end of the second drain material (3) that are abutted, and from this gap, Sewage in the soil flows into the drain material (1) (3) without passing through the filter member of the drain material (1) (3). In this way, in the conventional drain material connection structure, the drainage function of the drain material (1) (3) after connection is likely to be clogged with mud in the groove of the core of the drain material (1) (3). There was also.
本発明は、上記の問題点を解決して、連結部における可撓性の低下と段差の形成を抑制すると共に、ドレーン材の排水機能を保つことができるドレーン材の連結構造を提供する。 The present invention solves the above-described problems, and provides a drain material connection structure that can suppress a decrease in flexibility and formation of a step in the connection portion and can maintain the drainage function of the drain material.
上記の課題を解決するために、本発明のドレーン材の連結構造は、帯状の第１ドレーン材と第２ドレーン材とを連結するドレーン材の連結構造において、前記第１ドレーン材の端部と前記第２ドレーン材の端部とが突き合うように挿入されると共に、前記第１ドレーン材及び前記第２ドレーン材に固定された柔軟性及び透水性を有するスリーブを備えていることを特徴とする。 In order to solve the above-described problem, the drain material connection structure of the present invention is a drain material connection structure that connects the first drain material and the second drain material in a band shape, and an end portion of the first drain material. A sleeve having flexibility and water permeability, which is inserted so as to face the end of the second drain material and fixed to the first drain material and the second drain material, is provided. To do.
本発明のドレーン材の連結構造では、前記スリーブは、前記第１ドレーン材及び前記第２ドレーン材よりも薄く、可撓性を有する１又は複数の板状部材を有していてもよい。また、前記１又は複数の板状部材は、略矩形に形成されており、前記第１ドレーン材及び前記第２ドレーン材よりも幅狭であり、その長手方向又は短手方向が,、前記第１ドレーン材及び前記第２ドレーン材の長さ方向に沿うように、前記第１ドレーン材及び前記第２ドレーン材の中心線に対してほぼ左右対称に固定されてよい。 In the drain material connection structure of the present invention, the sleeve may have one or more plate-like members that are thinner than the first drain material and the second drain material and have flexibility. The one or more plate-like members are formed in a substantially rectangular shape and are narrower than the first drain material and the second drain material, and the longitudinal direction or the short direction is the first drain material. The first drain material and the second drain material may be fixed substantially symmetrically with respect to the center line of the first drain material and the second drain material along the length direction of the first drain material and the second drain material.
本発明のドレーン材の連結構造では、前記スリーブは、柔軟性及び透水性を有する略矩形の布帛の両端部を、前記１又は複数の板状部材の少なくとも１つを介して接合することで構成されてよい。また、前記スリーブと前記１又は複数の板状部材は、同種の材料で形成されてよい。さらに、前記スリーブは、合成繊維の織物である略矩形の布帛を用いて構成されており、前記板状部材は、前記合成繊維と同系の合成樹脂で形成されてよい。 In the drain material connection structure of the present invention, the sleeve is configured by joining both ends of a substantially rectangular fabric having flexibility and water permeability via at least one of the one or more plate-like members. May be. Further, the sleeve and the one or more plate-like members may be formed of the same kind of material. Furthermore, the sleeve may be configured using a substantially rectangular fabric that is a synthetic fiber fabric, and the plate-like member may be formed of a synthetic resin similar to the synthetic fiber.
本発明のドレーン材の連結構造では、前記スリーブは、前記第１ドレーン材及び前記第２ドレーン材のフィルタ部材と同種の材料で形成されてよい。本発明のドレーン材の連結構造では前記スリーブは、ステープル、リベット、鎹、若しくは接着剤を用いて、又は、融着により、前記第１ドレーン材及び前記第２ドレーン材に固定されてよい。 In the drain material connection structure of the present invention, the sleeve may be formed of the same material as the filter members of the first drain material and the second drain material. In the drain material connection structure of the present invention, the sleeve may be fixed to the first drain material and the second drain material using staples, rivets, scissors, an adhesive, or by fusing.
本発明では、連結されるドレーン材の端部間に生じる隙間が、柔軟性及び透水性を有するスリーブに覆われて露出しないので、当該隙間への泥水の流入が、これらドレーン材の排水機能を損なうことなく抑制される。このようなスリーブを有する連結構造又は継ぎ手構造を採用することで、十分な引張強度を連結部に与えると共に、連結部における可撓性の悪化を起こすことなく、連結部の段差を顕著に小さくできる。また、本発明では、このようなスリーブを採用することで、ドレーン材と比較して薄い板状部材が当て板として使用できる。このような板状部材を採用することで、連結部に大きな段差を生じされることなく、ドレーン材の端部の突き合わせ箇所にて、連結部に適度な可撓性を与えることができる。 In the present invention, the gap generated between the end portions of the connected drain material is not exposed by being covered with a sleeve having flexibility and water permeability, so that the inflow of muddy water into the gap has the function of draining these drain materials. Suppressed without loss. By adopting such a coupling structure or joint structure having a sleeve, it is possible to significantly reduce the level difference of the coupling part without giving sufficient tensile strength to the coupling part and causing deterioration of flexibility in the coupling part. . Further, in the present invention, by adopting such a sleeve, a thin plate member can be used as a backing plate as compared with the drain material. By adopting such a plate-like member, it is possible to impart appropriate flexibility to the connecting portion at the abutting portion of the end portion of the drain material without causing a large step in the connecting portion.
本発明では、第１ドレーン材と第２ドレーン材を連結する工程において、第１ドレーン材と第２ドレーン材がスリーブに挿入された状態で作業を進めることができるので、作業中に第１ドレーン材と第２ドレーン材が著しく位置ずれを起こす事態が防止される。板状部材とスリーブが一体化されているので、作業における労力が軽減される。また、板状部材がスリーブに設けられている場合には、第１ドレーン材と第２ドレーン材をスリーブに挿入する際に、板状部材の位置決めが容易に行える。 In the present invention, in the step of connecting the first drain material and the second drain material, the operation can proceed while the first drain material and the second drain material are inserted into the sleeve. A situation where the material and the second drain material are significantly displaced is prevented. Since the plate-like member and the sleeve are integrated, labor in the operation is reduced. Further, when the plate-like member is provided on the sleeve, the plate-like member can be easily positioned when the first drain material and the second drain material are inserted into the sleeve.
以下、本発明の実施例について、図を用いて説明する。図において、先の従来例と同一又は類似の部分には、同一の符号が用いられる。 Embodiments of the present invention will be described below with reference to the drawings. In the figure, the same reference numerals are used for the same or similar parts as in the prior art.
同じ構造を有する帯状の第１ドレーン材(1)と第２ドレーン材(3)とを、一本のドレーン材をなすように連結するために、本発明では、図１に示すように、板状部材(5)を有するスリーブ(6)が準備される。第１ドレーン材(1)の一端側と第２ドレーン材(3)の一端側とが、スリーブ(6)内に挿入されて、その後、図２等に示すようにステープル(7)を用いて第１ドレーン材(1)と第２ドレーン材(3)にスリーブ(6)を固定することで、第１ドレーン材(1)と第２ドレーン材(3)が連結される。図３及び図４に示すように、第１ドレーン材(1)と第２ドレーン材(3)は、ほぼ同程度スリーブ(6)内に挿入されて、第１ドレーン材(1)の端部(10)と第２ドレーン材(3)の端部(30)とが、スリーブ(6)の長さ方向のほぼ中央にて突き合わされる。 In order to connect the first drain material (1) and the second drain material (3) having the same structure to form one drain material, in the present invention, as shown in FIG. A sleeve (6) having a shaped member (5) is prepared. One end side of the first drain material (1) and one end side of the second drain material (3) are inserted into the sleeve (6), and thereafter, using staples (7) as shown in FIG. The first drain material (1) and the second drain material (3) are connected by fixing the sleeve (6) to the first drain material (1) and the second drain material (3). As shown in FIGS. 3 and 4, the first drain material (1) and the second drain material (3) are inserted into the sleeve (6) to approximately the same extent, and the end portion of the first drain material (1) is inserted. (10) and the end portion (30) of the second drain material (3) are abutted at approximately the center in the length direction of the sleeve (6).
板状部材(5)は、略矩形の形状を有しており、第１ドレーン材(1)と第２ドレーン材(3)とがスリーブ(6)に挿入されることで、板状部材(5)は、その長手方向が、第１ドレーン材(1)及び第２ドレーン材(3)の長さ方向に沿うように配置される。第１ドレーン材(1)と第２ドレーン材(3)がスリーブ(6)に挿入される際には、板状部材(5)が第１ドレーン材(1)と第２ドレーン材(3)の幅方向のほぼ中央に配置されるように、スリーブ(6)が配置されるのが好ましい。板状部材(5)の厚さは、第１ドレーン材(1)及び第２ドレーン材(3)の厚さよりもかなり薄くされる。また、本実施例では、板状部材(5)の幅は、第１ドレーン材(1)及び第２ドレーン材(3)の幅よりもかなり狭くされている。 The plate-like member (5) has a substantially rectangular shape, and the first drain material (1) and the second drain material (3) are inserted into the sleeve (6), so that the plate-like member ( 5) is arranged such that its longitudinal direction is along the length direction of the first drain material (1) and the second drain material (3). When the first drain material (1) and the second drain material (3) are inserted into the sleeve (6), the plate-like member (5) becomes the first drain material (1) and the second drain material (3). The sleeve (6) is preferably arranged so as to be arranged at substantially the center in the width direction. The thickness of the plate-like member (5) is considerably thinner than the thickness of the first drain material (1) and the second drain material (3). In the present embodiment, the width of the plate member (5) is considerably narrower than the widths of the first drain material (1) and the second drain material (3).
本実施例では、各ステープル(7)は、第１ドレーン材(1)及び第２ドレーン材(3)を貫通すると共に、第１ドレーン材(1)及び第２ドレーン材(3)の両側にてスリーブ(6)を貫通するように打ち込まれている。これらステープル(7)は、第１ドレーン材(1)と第２ドレーン材(3)の長さ方向に沿って５列で並べられており、各列には、８個のステープル(7)が含まれている。これらの中の４個のステープル(7)が、スリーブ(6)と第１ドレーン材(1)の間の接合に使用され、その他の４個のステープル(7)が、スリーブ(6)と第２ドレーン材(3)の間の接合に使用される。図３及び図４に示すように、中央の列のステープル(7)は、板状部材(5)も貫通するように打ち込まれている。これによって、板状部材(5)は、第１ドレーン材(1)及び第２ドレーン材(3)に対して堅固に位置固定されている。なお、ステープル(7)の個数と配置とは、図２乃至図４に示す実施例に限定されない。 In this embodiment, each staple (7) penetrates the first drain material (1) and the second drain material (3), and on both sides of the first drain material (1) and the second drain material (3). And is driven through the sleeve (6). These staples (7) are arranged in five rows along the length direction of the first drain material (1) and the second drain material (3), and eight staples (7) are arranged in each row. include. Four of these staples (7) are used for joining between the sleeve (6) and the first drain material (1), and the other four staples (7) are connected to the sleeve (6) and the first drain material (1). Used for joining between two drain materials (3). As shown in FIGS. 3 and 4, the staples (7) in the center row are driven so as to penetrate the plate-like member (5). Accordingly, the plate-like member (5) is firmly fixed to the first drain material (1) and the second drain material (3). The number and arrangement of the staples (7) are not limited to the embodiments shown in FIGS.
本発明において、スリーブ(6)(又は板状部材(5))を第１ドレーン材(1)及び第２ドレーン材(3)に固定する固定手段、又は、スリーブ(6)(又は板状部材(5))と第１ドレーン材(1)及び第２ドレーン材(3)とを接合する接合手段は、ステープル(7)に限定されることはなく、例えば、リベット、鎹、又は、液状若しくはシート状の接着剤が用いられてもよい。また、スリーブ(6)(又は板状部材(5))は、超音波融着、加熱融着若しくは加圧融着などを用いて、第１ドレーン材(1)及び第２ドレーン材(3)に固定又は接合されてよい。 In the present invention, fixing means for fixing the sleeve (6) (or plate-like member (5)) to the first drain material (1) and the second drain material (3), or the sleeve (6) (or plate-like member) The joining means for joining (5)) to the first drain material (1) and the second drain material (3) is not limited to the staple (7). For example, rivets, rivets, or liquid or A sheet-like adhesive may be used. Further, the sleeve (6) (or the plate-like member (5)) is formed by using the first drain material (1) and the second drain material (3) using ultrasonic fusion, heat fusion or pressure fusion. It may be fixed or bonded to.
図５は、第１ドレーン材(1)(又は第２ドレーン材(3))の構造を示す説明図である。第１ドレーン材(1)は、プラスチックボードドレーン(ＰＢＤ)工法に使用されるものであり、帯状の芯体(11)と、該芯体(11)を挟むように接着された一対の帯状の透水性フィルタ部材(12)(13)と備えている。芯体(11)の両面には、その長さ方向に沿った浅い溝(14)と深い溝(15)とが幅方向に交互に並ぶように形成されている。例えば、第１ドレーン材(1)が土層内に鉛直方向に打設されて、盛土を用いて当該土層に荷重が加えられると、土層内に過剰間隙水圧が発生して、土層内の水が透水性フィルタ部材(12)(13)を通って第１ドレーン材(1)内に流入する。流入した水は、溝(14)(15)を通って上昇し、第１ドレーン材(1)から排出される。 FIG. 5 is an explanatory view showing the structure of the first drain material (1) (or the second drain material (3)). The first drain material (1) is used for the plastic board drain (PBD) method, and is composed of a strip-shaped core body (11) and a pair of strip-shaped bonds bonded so as to sandwich the core body (11). Water permeable filter members (12) and (13) are provided. On both surfaces of the core body (11), shallow grooves (14) and deep grooves (15) along the length direction are formed alternately in the width direction. For example, when the first drain material (1) is placed vertically in a soil layer and a load is applied to the soil layer using embankment, excessive pore water pressure is generated in the soil layer, and the soil layer The water inside passes through the water permeable filter members (12) and (13) and flows into the first drain material (1). The inflowing water rises through the grooves (14) and (15) and is discharged from the first drain material (1).
一般的に、芯体(11)は、ポリエチレン樹脂、ポリプロピレン樹脂などのポリオレフィン系合成樹脂やポリ塩化ビニルなどの合成樹脂で形成されており、フィルタ部材(12)(13)には、ポリエステル系合成繊維、ポリプロピレン系合成繊維などの合成繊維の布帛が用いられる。また、第１ドレーン材(1)の幅は、１０乃至１５ｃｍ程度にされており、第１ドレーン材(1)の厚さは、約３乃至８ｍｍとされている。芯体(11)は、ポリ乳酸樹脂などの生分解性樹脂で形成され、フィルタ部材(12)(13)には、ポリ乳酸繊維などの生分解性繊維の布帛が用いられてもよい。なお、本発明を適用可能なドレーン材は、本明細書で説明したドレーン材(1)(3)に限定されない。 Generally, the core (11) is made of a polyolefin-based synthetic resin such as polyethylene resin or polypropylene resin, or a synthetic resin such as polyvinyl chloride, and the filter member (12) (13) has a polyester-based synthetic resin. Fabrics of synthetic fibers such as fibers and polypropylene synthetic fibers are used. The width of the first drain material (1) is about 10 to 15 cm, and the thickness of the first drain material (1) is about 3 to 8 mm. The core body (11) may be formed of a biodegradable resin such as polylactic acid resin, and a fabric of biodegradable fiber such as polylactic acid fiber may be used for the filter members (12) and (13). Note that the drain material to which the present invention is applicable is not limited to the drain materials (1) and (3) described in this specification.
本実施例では、図６(ａ)に示すように、スリーブ(6)は、柔軟性及び透水性を有する略矩形の布帛又はシート(61)の両端部(62)(63)を、板状部材(5)を介して接合することで製造されている。板状部材(5)の一方の面(図６(ａ)にて下側の面)には、スリーブ(6)の外面を構成する布帛又はシート(61)の一方の面が接合され、板状部材(5)の他方の面((図６(ａ)にて上側の面))には、スリーブ(6)の内面を構成する布帛又はシート(61)の他方の面が接合される。板状部材(5)と布帛又はシート(61)とは、例えば、液状若しくはシート状の接着剤、又は、超音波融着、加熱融着若しくは加圧融着を用いて接合される。本実施例では、スリーブ(6)の長さは、即ち約２０ｃｍにされている。スリーブ(6)の(内面の)周長は、第１ドレーン材(1)の周長よりも若干大きくされる。 In this embodiment, as shown in FIG. 6 (a), the sleeve (6) has a plate-like shape on both ends (62) and (63) of a substantially rectangular fabric or sheet (61) having flexibility and water permeability. It is manufactured by joining via a member (5). One surface of the fabric or sheet (61) constituting the outer surface of the sleeve (6) is joined to one surface of the plate-like member (5) (the lower surface in FIG. 6 (a)). The other surface of the fabric or sheet (61) constituting the inner surface of the sleeve (6) is joined to the other surface (the upper surface in FIG. 6A) of the shaped member (5). The plate-like member (5) and the fabric or sheet (61) are joined using, for example, a liquid or sheet-like adhesive, ultrasonic fusion, heat fusion, or pressure fusion. In this embodiment, the length of the sleeve (6) is about 20 cm. The circumferential length (inner surface) of the sleeve (6) is slightly larger than the circumferential length of the first drain material (1).
布帛又はシート(61)の材質又は材料は、ドレーン材(1)(3)と比較して遜色のない透水性を有すると共に、ドレーン材(1)(3)と同程度の引張強度及び引裂強度をスリーブ(6)にもたらすように選択される。織物、不織布、紙や多孔質の合成樹脂シートなどが、布帛又はシート(61)の材料として使用可能である。しかしながら、紙は土層中での耐水性が低く、合成樹脂シートは適度な可撓性が得られにくく、不織布を用いた場合、十分な引張強度及び引裂強度をスリーブ(6)に与えるためには、布帛又はシート(61)の厚さが増すことから、織物を用いることが好ましいであろう。 The material or material of the fabric or sheet (61) has a water permeability comparable to that of the drain material (1) (3), and has the same tensile strength and tear strength as the drain material (1) (3). To the sleeve (6). Woven fabrics, non-woven fabrics, paper, porous synthetic resin sheets, and the like can be used as materials for the fabrics or sheets (61). However, paper has low water resistance in the soil layer, and the synthetic resin sheet is difficult to obtain appropriate flexibility. When a nonwoven fabric is used, sufficient tensile strength and tear strength are given to the sleeve (6). Would preferably use a woven fabric because the thickness of the fabric or sheet (61) is increased.
本発明の目的を達成できる限りにおいて、板状部材(5)の材質又は材料は特に限定されないが、布帛又はシート(61)との接合を容易に行い、且つ接合強度を高めるためには、板状部材(5)の材質又は材料、布帛又はシート(61)の材質又は材料と同種又は同系にされるのが好ましい。また、板状部材(5)と布帛又はシート(61)とを融着してスリーブ(6)を製造する場合には、これらの材料の融点が低いことが好ましい。 As long as the object of the present invention can be achieved, the material or material of the plate-like member (5) is not particularly limited, but in order to easily join the fabric or the sheet (61) and increase the bonding strength, The material or material of the shaped member (5) and the material or material of the cloth or sheet (61) are preferably the same or similar. Further, when the sleeve (6) is manufactured by fusing the plate-like member (5) and the fabric or sheet (61), it is preferable that these materials have a low melting point.
以上の事項を踏まえると、布帛又はシート(61)に、ポリエステル系合成繊維、ポレオレフィン系合成繊維、ナイロン(登録商標)系合成繊維などの合成繊維の織物を使用すると共に、板状部材(5)を、布帛又はシート(61)と同系の材料を用いるのが好ましい。例えば、布帛又はシート(61)がポリエステル系合成繊維を材料とする場合、板状部材(5)はポリエステル樹脂で形成される。なお、上述したように、ドレーン材(1)(3)が生分解性樹脂及び生分解性繊維を用いて形成されている場合には、布帛又はシート(61)を生分解性繊維を用いて形成し、板状部材(5)を生分解性樹脂を用いて形成するのが好ましい。 Based on the above matters, the fabric or sheet (61) is made of a synthetic fiber fabric such as a polyester-based synthetic fiber, a polyolefin-based synthetic fiber, or a nylon (registered trademark) -based synthetic fiber. ) Is preferably used in the same material as the fabric or sheet (61). For example, when the fabric or sheet (61) is made of a polyester synthetic fiber, the plate member (5) is formed of a polyester resin. As described above, when the drain material (1) (3) is formed using a biodegradable resin and a biodegradable fiber, the fabric or sheet (61) is formed using the biodegradable fiber. Preferably, the plate member (5) is formed using a biodegradable resin.
本実施例では、図２乃至図４に示すように、板状部材(5)は、布帛又はシート(61)の両端部(62)(63)に挟まれて露出しないように構成されているが、板状部材(5)の縁部が、布帛又はシート(61)の縁部から若干突出し、露出しても問題はない。なお、板状部材(5)の両端側(又は打設機におけるドレーン材の引出側)を閉じるように、布帛又はシート(61)の両端部(62)(63)を直接接合することで、連結部の形状が滑らかにされてもよい。 In this embodiment, as shown in FIGS. 2 to 4, the plate-like member (5) is configured so as not to be exposed by being sandwiched between both ends (62) and (63) of the fabric or sheet (61). However, there is no problem if the edge of the plate-like member (5) slightly protrudes from the edge of the fabric or sheet (61) and is exposed. In addition, by closing both ends (62) and (63) of the fabric or sheet (61) so as to close both ends of the plate-like member (5) (or the drain material drawing side in the driving machine), The shape of the connecting portion may be made smooth.
図６(ｂ)に示すように、板状部材(5)の一方の面(図６(ｂ)にて下側の面)には、スリーブ(6)の内面を構成する布帛又はシート(61)の一方の面が接合され、板状部材(5)の他方の面((図６(ｂ)にて上側の面))にも、スリーブ(6)の内面を構成する布帛又はシート(61)の面が接合されることで、スリーブ(6)が作製されてもよい。なお、この場合、板状部材(5)と第１ドレーン材(1)と第２ドレーン材(3)との間で、布帛又はシート(61)が折られて２重になった状態で、スリーブ(6)は、第１ドレーン材(1)と第２ドレーン材(3)に固定される。 As shown in FIG. 6 (b), on one surface of the plate-like member (5) (the lower surface in FIG. 6 (b)), a fabric or sheet (61) constituting the inner surface of the sleeve (6) is provided. ) And the other surface (the upper surface in FIG. 6 (b)) of the plate-like member (5), the fabric or sheet (61 The sleeve (6) may be manufactured by joining the surfaces of). In this case, the fabric or sheet (61) is folded between the plate-like member (5), the first drain material (1), and the second drain material (3) to be doubled. The sleeve (6) is fixed to the first drain material (1) and the second drain material (3).
図６(ｃ)に示すように、板状部材(5)の一方の面(図６(ｃ)にて上側の面)に、布帛又はシート(61)の両端部(62)(63)が、スリーブ(6)の内面を構成する布帛又はシート(61)の一方の面にて接合されてもよい。また、板状部材(5)の他方の面(図６(ｃ)にて下側の面)に、布帛又はシート(61)の両端部(62)(63)が、スリーブ(6)の外面を構成する布帛又はシート(61)の他方の面にて接合されてもよい。さらに、布帛又はシート(61)の両端部(62)(63)を直接接合してスリーブ(6)を作製した後に、板状部材(5)がスリーブ(6)の内面又は外面に接合されてもよい。 As shown in FIG. 6 (c), both ends (62) and (63) of the fabric or sheet (61) are formed on one surface of the plate-like member (5) (the upper surface in FIG. 6 (c)). The cloth or the sheet (61) constituting the inner surface of the sleeve (6) may be joined on one surface. In addition, both ends (62) and (63) of the fabric or sheet (61) are connected to the other surface of the plate-like member (5) (the lower surface in FIG. 6 (c)) on the outer surface of the sleeve (6). May be joined on the other surface of the fabric or sheet (61) constituting the. Further, after producing the sleeve (6) by directly joining both ends (62) and (63) of the fabric or sheet (61), the plate member (5) is joined to the inner surface or the outer surface of the sleeve (6). Also good.
本発明を用いてドレーン材(1)(3)を連結する際に、布帛又はシート(61)で作製したスリーブ(6)にドレーン材(1)(3)を挿入した後に、スリーブ(6)の内側又は外側に板状部材(5)を配置して、スリーブ(6)と共に板状部材(5)をドレーン材(1)(3)に固定することも考えられる。しかしながら、上記の実施例のように、板状部材(5)とスリーブ(6)を一体化する方が、第１ドレーン材(1)と第２ドレーン材(3)の連結作業を容易に行える点で好ましい。 When connecting the drain material (1) (3) using the present invention, after inserting the drain material (1) (3) into the sleeve (6) made of the fabric or sheet (61), the sleeve (6) It is also conceivable that the plate-like member (5) is disposed inside or outside the plate and the plate-like member (5) together with the sleeve (6) is fixed to the drain material (1) (3). However, it is easier to connect the first drain material (1) and the second drain material (3) by integrating the plate member (5) and the sleeve (6) as in the above embodiment. This is preferable.
本実施例では、長尺の板状部材(5)が使用されており、その幅は、２ｃｍ程度、長さは、スリーブ(6)と同じく２０ｃｍ程度にされている。実施例の板状部材(5)よりも長辺と短辺の比が小さい略矩形の板状部材が、その短手方向が第１ドレーン材(1)及び第２ドレーン材(3)の長さ方向に沿うように配置されてもよい。板状部材(5)が大きくなると、スリーブ(6)を介した第１ドレーン材(1)及び第２ドレーン材(3)内への水の流入が妨げられるので、好ましくない。 In this embodiment, a long plate-like member (5) is used, its width is about 2 cm, and its length is about 20 cm, the same as the sleeve (6). A substantially rectangular plate-like member having a ratio of the long side to the short side smaller than that of the plate-like member (5) of the embodiment, the short direction is the length of the first drain material (1) and the second drain material (3). It may be arranged along the vertical direction. If the plate-like member (5) becomes large, the flow of water into the first drain material (1) and the second drain material (3) via the sleeve (6) is hindered, which is not preferable.
本発明において、板状部材(5)の位置は、ドレーン材(1)(3)の幅方向のほぼ中央に、言い換えると、ドレーン材(1)(3)の中心線(図２及び図３にて、この中心線が中央のステープル(7)の列にほぼ沿っていることは、容易に理解できるであろう)に対してほぼ左右対称な位置に限定されない。しかしながら、ドレーン材(1)(3)の幅方向のずれを抑制することや、打設機内にて湾曲する状態において板状部材(5)に加わる力などを考慮すると、板状部材(5)は、ドレーン材(1)(3)の中心線に対してほぼ左右対称に配置されるのが好ましいであろう。図１に示すように、板状部材(5)が中央に位置する形状を維持するようにスリーブ(6)に折り目(64)(65)を付けることで、板状部材(5)を、第１ドレーン材(1)(3)の幅方向のほぼ中央に配置することは容易に行える。 In the present invention, the position of the plate-like member (5) is approximately at the center in the width direction of the drain material (1) (3), in other words, the center line (FIGS. 2 and 3) of the drain material (1) (3). However, it is easy to understand that the center line is substantially along the row of the central staples (7). However, in consideration of suppressing the displacement in the width direction of the drain material (1) (3) and the force applied to the plate member (5) in a state of bending in the placing machine, the plate member (5) It is preferable that these are arranged almost symmetrically with respect to the center line of the drain material (1) (3). As shown in FIG. 1, the plate-like member (5) is attached to the sleeve-like member (5) by attaching folds (64) (65) to the sleeve (6) so that the shape of the plate-like member (5) is maintained at the center. It is easy to arrange the drain material (1) (3) in the approximate center in the width direction.
本発明において、複数の板状部材を有するスリーブ(6)が用いられてもよい。図７に示す実施例では、３つの板状部材(51)(52)(53)が、ドレーン材(1)(3)の長さ方向に沿うように、第１ドレーン材(1)(3)の幅方向のほぼ中央に配置されている。この実施例は、図２乃至図４に示す実施例にて、板状部材(5)を３分割したものに近い構成を有している。また、図７に示す実施例では、板状部材(51)と同じ形状を夫々有する２つの板状部材(54)(55)を有するスリーブ(6)が使用されている。これら板状部材(54)(55)は、例えば、布帛又はシート(61)の両端部(62)(63)を直接接合して作製されたスリーブ(6)の内面に接合されている。板状部材(54)(55)の各々は、ドレーン材(1)(3)の長さ方向に沿うように配置されており、また、２つの板状部材(54)(55)は全体として、ドレーン材(1)(3)の中心線に対してほぼ左右対称に配置される(図７及び図８にて、ドレーン材(1)(3)の中心線を一点鎖線で図示する)。なお、図２乃至４に示す実施例にて図８に示す板状部材(54)(55)を追加することも可能であり、複数の板状部材を用いる場合には、それらの少なくとも１つを介して、布帛又はシート(61)の両端部(62)(63)が接合されてもよい。 In the present invention, a sleeve (6) having a plurality of plate-like members may be used. In the embodiment shown in FIG. 7, the first drain members (1) (3) are arranged so that the three plate members (51) (52) (53) are along the length direction of the drain members (1) (3). ) In the center of the width direction. This embodiment has a configuration close to that obtained by dividing the plate-like member (5) into three parts in the embodiment shown in FIGS. In the embodiment shown in FIG. 7, a sleeve (6) having two plate-like members (54) and (55) each having the same shape as the plate-like member (51) is used. These plate-like members (54) and (55) are joined to, for example, the inner surface of a sleeve (6) produced by directly joining both ends (62) and (63) of a fabric or sheet (61). Each of the plate-like members (54) (55) is arranged along the length direction of the drain material (1) (3), and the two plate-like members (54) (55) as a whole The drain materials (1) and (3) are arranged almost symmetrically with respect to the center line (the center lines of the drain materials (1) and (3) are indicated by a one-dot chain line in FIGS. 7 and 8). It is also possible to add the plate-like members (54) and (55) shown in FIG. 8 in the embodiment shown in FIGS. 2 to 4, and when using a plurality of plate-like members, at least one of them is used. The both end portions (62) and (63) of the fabric or sheet (61) may be joined via each other.
上述した本発明の実施例では、ドレーン材の連結構造に、１又は複数の板状部材(5)(51)(52)(53)(54)(55)が使用されていたが、本発明では、これらの板状部材が削除されて、布帛又はシート(61)で作製されたスリーブ(6)が連結構造に使用されてもよい。板状部材を用いないことで、第１ドレーン材(1)の端部(10)と第２ドレーン材(3)の端部(30)との突き合わせ箇所にて折れるように、連結部分が変形することになるが、打設機の構造上許される場合、例えば、打設機内でドレーン材が通る経路の変化が比較的緩やかな場合などでは問題を生じないであろう。 In the embodiment of the present invention described above, one or a plurality of plate-like members (5) (51) (52) (53) (54) (55) are used for the drain material connection structure. Then, these plate-like members may be deleted, and the sleeve (6) made of the fabric or the sheet (61) may be used for the connection structure. By not using a plate-like member, the connecting part is deformed so that it can be broken at the end of the first drain material (1) (10) and the end of the second drain material (3) (30). However, if the construction of the driving machine is permitted, for example, if the change of the path through which the drain material passes in the driving machine is relatively slow, no problem will occur.
図２乃至図４に示す実施例の連結構造を実際に試作して性能試験を行った。連結されるドレーン材(1)(3)には、図５等に示す構造を有する錦城護謨株式会社製キャッスルボードＣＢ−Ｍを使用した(芯体:ポレオレフィン樹脂、フィルタ部材:ポリエステル系合成繊維、幅:９４±２ｍｍ、厚さ：３.９±０.５ｍｍ)。布帛又はシート(61)として、ポリエステル合成繊維の織物(厚さ：０.３８ｍｍ)を使用した。また、ポリエステル樹脂製の板状部材(5)(厚さ：１ｍｍ、幅：２ｃｍ、長さ１８ｃｍ)を、図６(ａ)に示すように加圧融着することで、長さ２０ｃｍのスリーブ(6)を作製した。図１乃至図４を参照して説明したように、スリーブ(6)にドレーン材(1)(3)を挿入して、ステープル(7)(５列×８本)でこれらを固定して試験体を作製した。なお、挿入したドレーン材(1)(3)の長さは、共に２０ｃｍにされた。 The connection structure of the embodiment shown in FIG. 2 to FIG. For the drain material (1) and (3) to be connected, a castle board CB-M manufactured by Nishikijo Rubber Co., Ltd. having the structure shown in FIG. 5 or the like was used (core: polyolefin resin, filter member: polyester synthetic fiber) , Width: 94 ± 2 mm, thickness: 3.9 ± 0.5 mm). A polyester synthetic fiber fabric (thickness: 0.38 mm) was used as the fabric or sheet (61). Also, a polyester resin plate-like member (5) (thickness: 1 mm, width: 2 cm, length: 18 cm) is pressure-fused as shown in FIG. (6) was produced. As described with reference to FIGS. 1 to 4, the drain material (1) (3) is inserted into the sleeve (6), and these are fixed with the staples (7) (5 rows × 8 pieces). The body was made. The lengths of the drain materials (1) and (3) inserted were both 20 cm.
作製した(複数の)試験体について引張試験を行ったところ、引張強さの平均値は、４.１２ｋＮ/全幅であった。また、縦方向面内透水試験を行ったところ、拘束圧５ｋＰａにて、水温１５℃における透水係数の平均値は０.１６ｍ/ｓｅｃ、拘束圧１２０ｋＰａにて、水温１５℃における透水係数の平均値は０.１４ｍ/ｓｅｃ、拘束圧３５０ｋＰａにて、水温１５℃における透水係数の平均値は０.１３ｍ/ｓｅｃであった。このように、本発明のドレーン材の連結構造を用いて、従来の連結構造と比較して、連結部の段差又は厚さを薄くすると共に、連結部に十分な引張強さを与え、ドレーン材(1)(3)の排水機能を保つことが確認できた。 When the tensile test was performed on the prepared test piece (s), the average value of the tensile strength was 4.12 kN / full width. Further, when a longitudinal in-plane water permeability test was conducted, the average value of the water permeability coefficient at a water temperature of 15 ° C. was 0.16 m / sec at a restraint pressure of 5 kPa, and the average value of the water permeability coefficient at a water temperature of 15 ° C. at a restraint pressure of 120 kPa. Was 0.14 m / sec, the restraint pressure was 350 kPa, and the average value of the hydraulic conductivity at a water temperature of 15 ° C. was 0.13 m / sec. Thus, using the drain material connection structure of the present invention, compared to the conventional connection structure, the step or thickness of the connection part is made thin, and sufficient tensile strength is given to the connection part, so that the drain material (1) It was confirmed that the drainage function of (3) was maintained.
上記説明は、本発明を説明するためのものであって、特許請求の範囲に記載の発明を限定し、或は範囲を減縮する様に解すべきではない。又、本発明の各部構成は上記実施例に限らず、特許請求の範囲に記載の技術的範囲内で種々の変形が可能であることは勿論である。 The above description is provided to illustrate the present invention and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.
(1) 第１ドレーン材
(10) 端部
(11) 芯体
(12) フィルタ部材
(13) フィルタ部材
(3) 第２ドレーン材
(30) 端部
(5) 板状部材
(61) 布帛又はシート
(7) ステープル
(1) First drain material
(10) Edge
(11) Core
(12) Filter member
(13) Filter member
(3) Second drain material
(30) Edge
(5) Plate member
(61) Fabric or sheet
(7) Staple
Claims (7)
前記第１ドレーン材の端部と前記第２ドレーン材の端部とが突き合うように挿入されると共に、前記第１ドレーン材及び前記第２ドレーン材に固定された柔軟性及び透水性を有するスリーブを備えており、
前記スリーブは、前記第１ドレーン材及び前記第２ドレーン材よりも薄く、可撓性を有する１又は複数の板状部材を有していることを特徴とするドレーン材の連結構造。 In the connection structure of the drain material that connects the first drain material and the second drain material in the form of a band,
The end of the first drain material and the end of the second drain material are inserted so as to face each other, and have flexibility and water permeability fixed to the first drain material and the second drain material. With a sleeve,
The sleeve has one or more plate-like members which are thinner than the first drain material and the second drain material and have flexibility.
前記芯体には、前記芯体の長さ方向に沿った複数の溝が、前記芯体の幅方向に並んで形成されており、
前記帯状のフィルタ部材は、前記複数の溝を覆うように、前記芯体の長さ方向に沿って前記芯体に接着されており、
前記スリーブは、前記第１ドレーン材及び前記第２ドレーン材の前記フィルタ部材と同種の材料で形成されている、請求項１乃至４の何れかに記載の連結構造。 Both the first drain material and the second drain material include a belt-like core body and a belt-like filter member,
In the core body, a plurality of grooves along the length direction of the core body are formed side by side in the width direction of the core body,
The band-shaped filter member is bonded to the core body along the length direction of the core body so as to cover the plurality of grooves,
It said sleeve, said first drain member and the second drain member is formed of a material of the filter member and the same kind, the connection structure according to any one of claims 1 to 4.
前記第１ドレーン材の端部と前記第２ドレーン材の端部とが突き合うように挿入されると共に、前記第１ドレーン材及び前記第２ドレーン材に固定された柔軟性及び透水性を有するスリーブを備えており、
前記第１ドレーン材及び前記第２ドレーン材は共に、帯状の芯体と、帯状のフィルタ部材とを備えており、
前記芯体には、前記芯体の長さ方向に沿った複数の溝が、前記芯体の幅方向に並んで形成されており、
前記帯状のフィルタ部材は、前記複数の溝を覆うように、前記芯体の長さ方向に沿って前記芯体に接着されており、
前記スリーブは、前記第１ドレーン材及び前記第２ドレーン材の前記フィルタ部材と同種の材料で形成されていることを特徴とするドレーン材の連結構造。 In the connection structure of the drain material that connects the first drain material and the second drain material in the form of a band,
The end of the first drain material and the end of the second drain material are inserted so as to face each other, and have flexibility and water permeability fixed to the first drain material and the second drain material. With a sleeve,
Both the first drain material and the second drain material include a belt-like core body and a belt-like filter member,
In the core body, a plurality of grooves along the length direction of the core body are formed side by side in the width direction of the core body,
The band-shaped filter member is bonded to the core body along the length direction of the core body so as to cover the plurality of grooves,
The sleeve connection structure of the drain member, characterized in that said formed filter element of the same type as the material of the first drain member and the second drain member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010182236A JP5555571B2 (en) | 2010-08-17 | 2010-08-17 | Drain material connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010182236A JP5555571B2 (en) | 2010-08-17 | 2010-08-17 | Drain material connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012041693A JP2012041693A (en) | 2012-03-01 |
| JP5555571B2 true JP5555571B2 (en) | 2014-07-23 |
Family
ID=45898311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010182236A Active JP5555571B2 (en) | 2010-08-17 | 2010-08-17 | Drain material connection structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5555571B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6249560B2 (en) * | 2014-01-30 | 2017-12-20 | 五洋建設株式会社 | Ground improvement method and drain material |
| KR101758028B1 (en) | 2016-12-15 | 2017-07-13 | 주식회사 삼영기술 | Clamp for Connecting Pipe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2533721Y2 (en) * | 1989-10-31 | 1997-04-23 | 大日本プラスチックス株式会社 | Joint structure of belt-shaped drain material |
| JP4538817B2 (en) * | 2007-11-27 | 2010-09-08 | 衛 三村 | Vertical drain method |
-
2010
- 2010-08-17 JP JP2010182236A patent/JP5555571B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012041693A (en) | 2012-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8083898B2 (en) | Method for manufacturing a machine felt, and machine felt | |
| FI107594B (en) | A multilayer flexible surface structure as well as a method for manufacturing a multilayer flexible surface structure | |
| JP5921383B2 (en) | Method for producing web-like material capable of punching elastically extensible diaper fastener elements | |
| FI113674B (en) | Press felt | |
| CA2737564C (en) | Hinge type seaming element for joining ends of an industrial textile | |
| RU2625058C1 (en) | Reinforced geogrid and method of its production | |
| JP5555571B2 (en) | Drain material connection structure | |
| CN107000404A (en) | Tensioner and the method for manufacturing tensioner | |
| US4096701A (en) | Mattresses for subaqueous structures | |
| JP4678517B2 (en) | Adhesive tape | |
| JP2578632B2 (en) | Plane drainage for civil engineering | |
| RU2752879C1 (en) | Elastic element and product for single-use wear, including elastic element | |
| JP5438499B2 (en) | Liner lining material | |
| CN219820864U (en) | Reinforced non-woven fabric | |
| JP5227738B2 (en) | Method for producing felt for papermaking | |
| JP6099885B2 (en) | Riverbed waterproof mat | |
| KR102646206B1 (en) | Cover for keeping warm for green house and method manufacturing the same | |
| KR101673120B1 (en) | Eco-friendly waterproofing non-woven composite sheet and waterproofing composite structure using the same | |
| KR102458765B1 (en) | Method for manufacturing granular confinement honeycomb reinforcement | |
| KR101349090B1 (en) | The stitch method for in-panel of a car with prevention of shrinkage strain | |
| JP7412726B2 (en) | Hybrid filtration sheet, raw roll and beverage extraction bag | |
| JPH05156642A (en) | Banking reinforcing member and construction method of banking for reinforcement | |
| RU2804359C2 (en) | Load-bearing material including the first part of the joint with body closure | |
| JP2009097245A (en) | Drainage material and connection tool | |
| JP2008050732A (en) | Felt for papermaking and method for producing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130603 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20140124 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140128 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140305 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140325 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140428 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140520 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140602 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5555571 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |