JPH10235307A - Panel-like wastewater discharging material to be used for storage facility of waste and its joining - Google Patents
Panel-like wastewater discharging material to be used for storage facility of waste and its joiningInfo
- Publication number
- JPH10235307A JPH10235307A JP9056868A JP5686897A JPH10235307A JP H10235307 A JPH10235307 A JP H10235307A JP 9056868 A JP9056868 A JP 9056868A JP 5686897 A JP5686897 A JP 5686897A JP H10235307 A JPH10235307 A JP H10235307A
- Authority
- JP
- Japan
- Prior art keywords
- drainage material
- planar
- water
- waste
- panel
- 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.)
- Granted
Links
Landscapes
- Processing Of Solid Wastes (AREA)
- Filtering Materials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、面状排水材及びそ
の接合方法に関し、特に、廃棄物処分場に埋め立てた廃
棄物から染み出る汚染水や液体貯留場に貯留した液体に
より周囲の環境が汚染されるのを防止するために適用さ
れる面状排水材及びその接合方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a planar drainage material and a method for joining the same, and more particularly, to the surrounding environment caused by contaminated water oozing from waste landfilled in a waste disposal site and liquid stored in a liquid storage site. The present invention relates to a planar drainage material applied to prevent contamination and a joining method thereof.
【０００２】[0002]
【従来の技術】従来、産業廃棄物や一般廃棄物を焼却し
た残滓、その他の廃棄物を埋め立てにより処分する廃棄
物処分場や各種の液体を貯留する液体貯留場（本明細書
において、「廃棄物等の貯留施設」又は「貯留施設」と
いう。）では、廃棄物処分場に埋め立てた廃棄物から染
み出る汚染水や液体貯留場に貯留した液体により周囲の
環境が汚染されないように、廃棄物処分場に遮水工を施
すようにしている。この遮水工としては、施工性、経済
性、確実性、安全性等の観点から、従来より、貯留施設
の底部及び斜面にポリエチレン、ポリ塩化ビニル、ポリ
プロピレン等の合成樹脂製の遮水シート又はゴム製の遮
水シートを敷設する方式の遮水構造が広く用いられてい
る。2. Description of the Related Art Conventionally, waste disposal sites for disposing of incineration residues of industrial waste and general waste and other wastes by landfill and liquid storage sites for storing various liquids (in this specification, "disposal" Waste storage facility ”or“ storage facility ”) in order to prevent the surrounding environment from being polluted by contaminated water escaping from the waste landfilled at the waste disposal site and liquid stored in the liquid storage site. The disposal site will be impermeable. From the viewpoint of workability, economy, certainty, safety, etc., conventionally, from the viewpoint of workability, economy, reliability, safety, etc., a water-impervious sheet made of synthetic resin such as polyethylene, polyvinyl chloride, polypropylene, etc. A water-blocking structure in which a rubber-made water-blocking sheet is laid is widely used.
【０００３】ところで、廃棄物等の貯留施設の底部及び
斜面に遮水シートを敷設する遮水構造の場合、埋め立て
られた廃棄物自体の重量や埋め立てられた廃棄物に含ま
れる鋭利な物体等により遮水シートが損傷を受けること
がある。そして、遮水シートが損傷を受けると、この損
傷箇所から汚染水等が漏出し、周囲の環境を汚染するこ
ととなるため、遮水シートの損傷箇所の有無を速やかに
検知するとともに、検知した損傷箇所に適当な補修を施
す必要があり、このための検知方法及び補修方法が多数
提案されている。[0003] In the case of a water-blocking structure in which a water-blocking sheet is laid on the bottom and slope of a waste storage facility, the weight of the landfilled waste itself or the sharp objects contained in the landfilled waste may cause a problem. The impermeable sheet may be damaged. If the impermeable sheet is damaged, contaminated water etc. leaks from the damaged area and contaminates the surrounding environment. It is necessary to repair the damaged portion appropriately, and many detection methods and repair methods have been proposed.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、これら
の方法によっても、遮水シートの損傷箇所の補修が完了
するまでに一定の時間を要することから、汚染水等の漏
出による周囲の環境の汚染を完全には防止できない事態
が発生するおそれがあった。However, even with these methods, it takes a certain period of time to complete the repair of the damaged portion of the impermeable sheet, so that the surrounding environment is not contaminated by leakage of contaminated water and the like. There is a possibility that a situation that cannot be completely prevented may occur.
【０００５】本発明は、上記の廃棄物等の貯留施設の有
する問題点を解決し、遮水シートが損傷を受けた場合
に、損傷箇所から漏出する汚染水等の絶対量を低減する
ことにより、周囲の環境の汚染を確実に防止することが
できる廃棄物等の貯留施設に用いられる面状排水材及び
面状排水材の接合方法を提供することを目的とする。[0005] The present invention solves the above-mentioned problems of the waste storage facility and reduces the absolute amount of contaminated water and the like leaking from the damaged portion when the impermeable sheet is damaged. It is another object of the present invention to provide a planar drainage material used in a storage facility for waste and the like and a method of joining the planar drainage material, which can reliably prevent pollution of the surrounding environment.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するた
め、本発明の廃棄物等の貯留施設に用いられる面状排水
材は、廃棄物等の貯留施設において、遮水シートの下に
敷設して用いられる面状排水材であって、表面に多数の
凹凸を形成することにより連続した通水空間を有する合
成樹脂製面状部材の両面に、不織布フィルタ部材を固着
したことを特徴とする。In order to achieve the above object, a planar drainage material used in a waste storage facility of the present invention is laid under a water shielding sheet in a waste storage facility. A nonwoven fabric filter member is fixed to both surfaces of a synthetic resin sheet member having a continuous water passage space by forming a large number of irregularities on the surface.
【０００７】この場合において、面状排水材の面内方向
の通水能は、１０ー2ｃｍ3／ｓｅｃ／ｍ（１ｍ幅当たり
の１秒間の通水量）以上であることが望ましい。In this case, it is desirable that the in-plane water flow capacity of the planar drainage material is not less than 10 −2 cm 3 / sec / m (water flow per second per 1 m width).
【０００８】これにより、遮水シートが損傷を受けた場
合に、損傷箇所から漏出する汚染水等を、遮水シートの
間に配設した面状排水材を介して速やかに排出し、損傷
箇所から周囲の地盤に漏出する汚染水等の絶対量を大幅
に低減することができる。また、面状排水材は、合成樹
脂製面状部材の両面に、不織布フィルタ部材を固着して
構成するようにしているため、面状排水材の敷設作業を
効率的に行うことができるとともに、合成樹脂製面状部
材の通水空間に土砂や廃棄物が侵入することを防止し
て、合成樹脂製面状部材の通水能を長期間に亘って良好
に維持することができる。Accordingly, when the impermeable sheet is damaged, contaminated water or the like leaking from the damaged portion is quickly discharged through the planar drainage material disposed between the impermeable sheets, and , The absolute amount of contaminated water and the like leaking to the surrounding ground can be significantly reduced. In addition, since the planar drainage material is configured such that the nonwoven fabric filter member is fixed to both surfaces of the synthetic resin planar member, the work of laying the planar drainage material can be performed efficiently. It is possible to prevent earth and sand and waste from entering the water flow space of the synthetic resin planar member, and to maintain the water permeability of the synthetic resin planar member for a long period of time.
【０００９】また、面状排水材の接続端部を、各部材の
外方への延出長さを順に変えて、階段状に形成すること
ができ、特に、一方の接続端部を、各部材の外方への延
出長さを順に変えて、階段状に形成するとともに、この
一方の接続端部と対向する他方の接続端部を、各部材の
外方への延出長さを前記一方の接続端部と逆順に変えた
階段状に形成することが望ましい。Further, the connecting end of the planar drainage material can be formed in a step-like manner by sequentially changing the outwardly extending length of each member. The outward extension length of the members is sequentially changed to form a step-like shape, and the one connection end portion and the other connection end portion facing each other have the extension length of each member outward. It is desirable to form in a step-like shape changed in the reverse order to the one connection end.
【００１０】そして、面状排水材の階段状に形成した一
方の接続端部の上面に、隣接する他の面状排水材の階段
状に形成した他方の接続端部を重ね合わせるとともに、
隣接する面状排水材の対応する部材同士を溶着、その他
の方法により接合することにより、隣接する面状排水材
を強固に一体化することができ、面状排水材の通水能を
良好に維持することができる。[0010] The other connection end portion formed in a stepwise shape of another adjacent drainage material is superimposed on the upper surface of one connection end portion formed in a step shape of the planar drainage material,
By welding the corresponding members of the adjacent planar drainage materials and joining them by other methods, the adjacent planar drainage materials can be firmly integrated, and the water flowability of the planar drainage materials is improved. Can be maintained.
【００１１】[0011]
【発明の実施の形態】以下、本発明の廃棄物等の貯留施
設に用いられる面状排水材及び面状排水材の接合方法の
実施の形態を、廃棄物処分場を例にして、図面に基づい
て説明する。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view showing an embodiment of a planar drainage material and a method for bonding the planar drainage material used in a waste storage facility according to the present invention. It will be described based on the following.
【００１２】面状排水材は、図２（ｂ）に示すように、
廃棄物処分場の底部５又は斜面に敷設される下方の遮水
シート３ａと上方の遮水シート３ｂとの間に敷設して用
いられるもので、表面に多数の凹凸を形成することによ
り連続した通水空間を有する合成樹脂製面状部材１の両
面に、不織布フィルタ部材２ａ，２ｂを固着して構成す
る。[0012] As shown in FIG.
It is used by laying between the lower water-impervious sheet 3a and the upper water-impervious sheet 3b laid on the bottom 5 or the slope of the waste disposal site, and is continuous by forming many irregularities on the surface. A nonwoven fabric filter member 2a, 2b is fixed to both surfaces of a synthetic resin planar member 1 having a water passage space.
【００１３】この場合、遮水シート３ａ，３ｂには、ポ
リエチレン、ポリ塩化ビニル、ポリプロピレン等の合成
樹脂製のシート又はゴム製のシートを用いることができ
る。また、廃棄物処分場の底部５又は斜面が、粘土や岩
等の不透水層からなる場合には、下方の遮水シート３ａ
を省略することもできる。In this case, a sheet made of a synthetic resin such as polyethylene, polyvinyl chloride, polypropylene or the like or a sheet made of rubber can be used as the water shielding sheets 3a and 3b. When the bottom 5 or the slope of the waste disposal site is made of an impermeable layer such as clay or rock, the lower impermeable sheet 3a is used.
Can also be omitted.
【００１４】下方の遮水シート３ａと上方の遮水シート
３ｂとの間に敷設される面状排水材は、埋め立てられた
廃棄物自体の重量や埋め立てられた廃棄物に含まれる鋭
利な物体等により上方の遮水シート３ｂが損傷を受けた
場合に、損傷箇所から漏出する汚染水を廃棄物処分場の
外に速やかに排出するために配設するものであるが、こ
の面状排水材は、上記廃棄物に対するクッション機能や
上方の遮水シート３ｂが損傷を受けた場合に下方の遮水
シート３ａが同時に損傷を受けることを防止する貫通防
止機能を併せ持つものである。The planar drainage material laid between the lower impermeable sheet 3a and the upper impermeable sheet 3b may be the weight of the landfilled waste itself or any sharp objects contained in the landfilled waste. When the upper water-impervious sheet 3b is damaged by the above, the contaminated water leaking from the damaged part is arranged to be quickly discharged out of the waste disposal site. In addition, it has a cushioning function for the waste and a penetration preventing function for preventing the lower waterproof sheet 3a from being simultaneously damaged when the upper waterproof sheet 3b is damaged.
【００１５】この面状排水材は、表面に多数の凹凸を形
成することにより連続した通水空間を有する高密度ポリ
エチレン等の合成樹脂製面状部材１の両面に、ポリプロ
ピレン等の不織布フィルタ２ａ，２ｂを融着、接着、粘
着等により固着し、一体化したものである。This planar drainage material is made of a nonwoven fabric filter 2a made of polypropylene or the like on both sides of a synthetic resin planar member 1 made of high-density polyethylene or the like having a continuous water passage space by forming a large number of irregularities on the surface. 2b is fixed by fusion, adhesion, adhesion or the like and integrated.
【００１６】この場合、面状排水材は、上方の遮水シー
ト３ｂが損傷を受けた場合に、損傷箇所から漏出する汚
染水を廃棄物処分場の外に速やかに排出することができ
るように、その面内方向の通水能を１０ー2ｃｍ3／ｓｅ
ｃ／ｍ（１ｍ幅当たりの１秒間の通水量）以上に設定す
ることが好ましい。また、上記の廃棄物に対するクッシ
ョン機能や上方の遮水シート３ｂが損傷を受けた場合に
下方の遮水シート３ａが同時に損傷を受けることを防止
する貫通防止機能を併せ持つことができるように、荷重
３０ｔｆ／ｍ2において、その厚みを１０〜３０ｍｍ
と、さらに、合成樹脂製面状部材１の厚みを６〜２０ｍ
ｍ程度に設定することが好ましい。In this case, the planar drainage material allows the contaminated water leaking from the damaged portion to be quickly discharged to the outside of the waste disposal site when the upper impermeable sheet 3b is damaged. the water flow capability of the in-plane direction 10 over 2 cm 3 / se
It is preferably set to c / m (the amount of water flow per second per 1 m width) or more. In addition, the load is provided so as to have a cushioning function for the above-mentioned waste and a penetration preventing function for preventing the lower impermeable sheet 3a from being simultaneously damaged when the upper impermeable sheet 3b is damaged. At 30 tf / m 2 , the thickness is 10 to 30 mm
And the thickness of the synthetic resin sheet member 1 is 6 to 20 m.
It is preferable to set to about m.
【００１７】また、面状排水材は、特に限定されるもの
ではないが、敷設作業を効率的に行うことができるよう
に、その幅を１ｍ以上に設定した長尺体として構成する
とともに、図２に示すように、その一方の接続端部Ａ
を、面状排水材を構成する各部材、すなわち、合成樹脂
製面状部材１及び不織布フィルタ部材２ａ，２ｂの外方
への延出長さを順に変えて、階段状に形成するととも
に、この一方の接続端部Ａと対向する他方の接続端部Ｂ
を、面状排水材を構成する各部材の外方への延出長さを
一方の接続端部Ａと逆順に変えた階段状に形成すること
が望ましい。The surface drainage material is not particularly limited, but is configured as a long body having a width of 1 m or more so that the laying operation can be performed efficiently. As shown in FIG.
Each of the members constituting the planar drainage material, namely, the synthetic resin planar member 1 and the nonwoven fabric filter members 2a, 2b are formed in a stepwise manner by sequentially changing the outward extending length. The other connection end B facing one connection end A
Is desirably formed in a step-like shape in which the outwardly extending length of each of the members constituting the planar drainage material is changed in the reverse order of the one connection end A.
【００１８】これにより、面状排水材の階段状に形成し
た一方の接続端部Ａの上面に、隣接する他の面状排水材
の階段状に形成した他方の接続端部Ｂを重ね合わせると
ともに、隣接する面状排水材の対応する部材同士を順次
溶着、接着、粘着等により接合４１，４２ａ，４２ｂす
ることにより、隣接する面状排水材を強固に一体化する
ことができ、面状排水材の通水能を良好に維持すること
ができるものとなる。Thus, the other connection end portion B formed in a stepwise shape of another adjacent surface drainage material is superimposed on the upper surface of one connection end portion A formed in a step shape of the planar drainage material. By sequentially welding, bonding, and adhering the corresponding members of adjacent planar drainage materials 41, 42a, and 42b, the adjacent planar drainage materials can be strongly integrated, and the planar drainage material can be strongly integrated. It will be possible to maintain good water permeability of the material.
【００１９】なお、面状排水材を矩形の短尺体として構
成した場合には、四辺に同様の接続端部を形成するよう
にする。In the case where the planar drainage material is formed as a rectangular short body, similar connection ends are formed on four sides.
【００２０】また、接続端部の形状は、図２に示すもの
に限定されず、図３に示すように、両方の接続端部Ａ，
Ａを、面状排水材を構成する各部材の外方への延出長さ
を同じ順に変えて、階段状に形成することもできる。こ
の場合、面状排水材の階段状に形成した接続端部Ａの上
面に、裏返しにした隣接する他の面状排水材の階段状に
形成した接続端部Ａを重ね合わせ、隣接する面状排水材
の対応する部材同士を順次溶着、接着、粘着等により接
合するようにする。Further, the shape of the connection ends is not limited to that shown in FIG. 2, and as shown in FIG. 3, both connection ends A,
A can be formed stepwise by changing the outwardly extending length of each member constituting the planar drainage material in the same order. In this case, the stepped connection end portion A of the other adjacent planar drainage material which is turned upside down is superimposed on the upper surface of the stepwise connection end portion A of the planar drainage material. The corresponding members of the drainage material are sequentially joined by welding, bonding, adhesion, or the like.
【００２１】[0021]
【発明の効果】本発明の廃棄物等の貯留施設に用いられ
る面状排水材によれば、遮水シートが損傷を受けた場合
に、損傷箇所から漏出する汚染水等を、遮水シートの間
に配設した面状排水材を介して速やかに排出し、損傷箇
所から周囲の地盤に漏出する汚染水等の絶対量を大幅に
低減することができ、廃棄物に対するクッション機能や
上方の遮水シートが損傷を受けた場合に下方の遮水シー
トが同時に損傷を受けることを防止する貫通防止機能を
併せ持つことと相俟って、周囲の環境の汚染を確実に防
止することができる。また、この面状排水材は、合成樹
脂製面状部材の両面に、不織布フィルタ部材を固着して
構成するようにしているため、面状排水材の敷設作業を
効率的に行うことができるとともに、合成樹脂製面状部
材の通水空間に土砂や廃棄物が侵入することを防止し
て、合成樹脂製面状部材の通水能を長期間に亘って良好
に維持することができる。According to the planar drainage material used in the waste storage facility of the present invention, when the impermeable sheet is damaged, contaminated water and the like leaking from the damaged portion can be removed by the impermeable sheet. It is quickly discharged through the interposed planar drainage material, greatly reducing the absolute amount of contaminated water etc. leaking from the damaged part to the surrounding ground, and has a cushioning function for waste and an upper shielding. When the water sheet is damaged, it is possible to reliably prevent the surrounding environment from being contaminated, in combination with having a penetration preventing function for preventing the lower water shielding sheet from being simultaneously damaged. In addition, since this planar drainage material is configured such that a nonwoven fabric filter member is fixed to both surfaces of the synthetic resin planar member, the work of laying the planar drainage material can be performed efficiently. In addition, it is possible to prevent earth and sand and waste from entering the water passage space of the synthetic resin planar member, and to maintain the water permeability of the synthetic resin planar member for a long period of time.
【００２２】また、面状排水材の接続端部を、各部材の
外方への延出長さを順に変えて、階段状に形成し、面状
排水材の階段状に形成した一方の接続端部の上面に、隣
接する他の面状排水材の階段状に形成した他方の接続端
部を重ね合わせるとともに、隣接する面状排水材の対応
する部材同士を溶着、その他の方法により接合すること
により、隣接する面状排水材を強固に一体化することが
でき、面状排水材の通水能を良好に維持することができ
る。Further, the connection end of the planar drainage material is formed in a stepwise manner by sequentially changing the outwardly extending length of each member, and one of the connection ends formed in the stepwise shape of the planar drainage material is provided. On the upper surface of the end, the other connection end formed in a step shape of another adjacent planar drainage material is overlapped, and the corresponding members of the adjacent planar drainage material are welded to each other and joined by another method. Thereby, the adjacent planar drainage materials can be firmly integrated, and the water flowability of the planar drainage material can be maintained well.
【図１】本発明の面状排水材の一実施例を示し、（ａ）
は不織布フィルタ部材の一部を切除した平面図、（ｂ）
は（ａ）のＡ−Ａ線断面図である。FIG. 1 shows an embodiment of the planar drainage material of the present invention, and (a)
Is a plan view in which a part of the nonwoven fabric filter member is cut off, (b)
FIG. 3 is a sectional view taken along line AA of FIG.
【図２】本発明の面状排水材の一実施例を示し、（ａ）
はその断面図、（ｂ）はその接合方法の説明図である。FIG. 2 shows one embodiment of the planar drainage material of the present invention, and (a)
Is a cross-sectional view, and (b) is an explanatory view of the joining method.
【図３】本発明の面状排水材の変形例を示す断面図であ
る。FIG. 3 is a sectional view showing a modification of the planar drainage material of the present invention.
１ 合成樹脂製面状部材 ２ａ 不織布フィルタ部材 ２ｂ 不織布フィルタ部材 ３ａ 遮水シート ３ｂ 遮水シート ４１ 接合部 ４２ａ 接合部 ４２ｂ 接合部 DESCRIPTION OF SYMBOLS 1 Surface member made of synthetic resin 2a Nonwoven fabric filter member 2b Nonwoven fabric filter member 3a Waterproof sheet 3b Waterproof sheet 41 Joint part 42a Joint part 42b Joint part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 岩井 定夫 大阪市中央区安土町２丁目３番13号 タキ ロン株式会社内 (72)発明者 岩本 憲三 兵庫県神戸市中央区東川崎町１丁目３−３ 神戸ハーバーランドセンタービル 三ツ 星ベルト株式会社内 (72)発明者 上ノ山 悦治 兵庫県神戸市中央区東川崎町１丁目３−３ 神戸ハーバーランドセンタービル 三ツ 星ベルト株式会社内 (72)発明者 清川 伸夫 東京都文京区湯島三丁目39−10 上野ＴＨ ビル 三井石化産資株式会社内 (72)発明者 大島 久生 東京都文京区湯島三丁目39−10 上野ＴＨ ビル 三井石化産資株式会社内 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Sadao Iwai 2-3-13 Azuchicho, Chuo-ku, Osaka City Inside Takiron Co., Ltd. (72) Inventor Kenzo Iwamoto 1-3-Higashikawasakicho, Chuo-ku, Kobe, Hyogo Prefecture 3 Kobe Harborland Center Building Mitsuhoshi Belt Co., Ltd. (72) Inventor Etsuji Uenoyama 1-3-3 Higashikawasakicho, Chuo-ku, Kobe City, Hyogo Prefecture Kobe Harborland Center Building Mitsuhoshi Belt Co., Ltd. (72) Inventor Nobuo Kiyokawa Tokyo 3-39-10 Yushima, Bunkyo-ku Ueno TH Building Mitsui Chemicals Co., Ltd. (72) Inventor Hisao Oshima 3-39-10 Yushima, Bunkyo-ku, Tokyo Ueno TH Building Mitsui Chemicals Co., Ltd.
Claims (5)
トの下に敷設して用いられる面状排水材であって、表面
に多数の凹凸を形成することにより連続した通水空間を
有する合成樹脂製面状部材の両面に、不織布フィルタ部
材を固着したことを特徴とする廃棄物等の貯留施設に用
いられる面状排水材。1. A surface drainage material laid under a water-impervious sheet in a storage facility for wastes and the like, wherein the surface drainage material has a large number of irregularities on its surface to provide a continuous water-passing space. A planar drainage material used in a storage facility for waste and the like, wherein a nonwoven fabric filter member is fixed to both surfaces of a resin planar member.
ｃｍ3／ｓｅｃ／ｍ以上であることを特徴とする請求項
１記載の廃棄物等の貯留施設に用いられる面状排水材。2. The in-plane water flow capacity of the planar drainage material is 10-2.
The planar drainage material used for a waste storage facility according to claim 1, wherein the surface drainage material is at least cm 3 / sec / m.
への延出長さを順に変えて、階段状に形成したことを特
徴とする請求項１又は２記載の面状排水材。3. The planar state according to claim 1, wherein the connecting end of the planar drainage material is formed in a step-like manner by sequentially changing the outwardly extending length of each member. Drainage material.
出長さを順に変えて、階段状に形成するとともに、この
一方の接続端部と対向する他方の接続端部を、各部材の
外方への延出長さを前記一方の接続端部と逆順に変えた
階段状に形成したことを特徴とする請求項３記載の面状
排水材。4. One connecting end portion is formed in a step-like manner by sequentially changing the outwardly extending length of each member, and the other connecting end portion facing the one connecting end portion is formed. 4. The planar drainage material according to claim 3, wherein each member has a stepped shape in which the outward extension length is changed in a reverse order to the one connection end.
状に形成した一方の接続端部の上面に、隣接する他の面
状排水材の階段状に形成した他方の接続端部を重ね合わ
せるとともに、隣接する面状排水材の対応する部材同士
を溶着、その他の方法により接合することにより、隣接
する面状排水材を一体化することを特徴とする面状排水
材の接合方法。5. The other connection end formed in a stepwise manner of another adjacent surface drainage on the upper surface of one stepwise connection end of the planar drainage material according to claim 3 or 4. The adjacent planar drainage materials are integrated by welding the corresponding members of the adjacent planar drainage materials and joining them by other methods. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05686897A JP3930600B2 (en) | 1997-02-24 | 1997-02-24 | Method for joining planar drainage materials used in storage facilities for waste and the like and planar drainage materials used therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05686897A JP3930600B2 (en) | 1997-02-24 | 1997-02-24 | Method for joining planar drainage materials used in storage facilities for waste and the like and planar drainage materials used therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10235307A true JPH10235307A (en) | 1998-09-08 |
| JP3930600B2 JP3930600B2 (en) | 2007-06-13 |
Family
ID=13039413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05686897A Expired - Lifetime JP3930600B2 (en) | 1997-02-24 | 1997-02-24 | Method for joining planar drainage materials used in storage facilities for waste and the like and planar drainage materials used therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3930600B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000202390A (en) * | 1999-01-12 | 2000-07-25 | Takiron Co Ltd | Water-barrier structure of waste disposal site |
-
1997
- 1997-02-24 JP JP05686897A patent/JP3930600B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000202390A (en) * | 1999-01-12 | 2000-07-25 | Takiron Co Ltd | Water-barrier structure of waste disposal site |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3930600B2 (en) | 2007-06-13 |
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