JPH0351411A - Construction method using water barrier sheet formed by spraying at construction site - Google Patents
Construction method using water barrier sheet formed by spraying at construction siteInfo
- Publication number
- JPH0351411A JPH0351411A JP1182585A JP18258589A JPH0351411A JP H0351411 A JPH0351411 A JP H0351411A JP 1182585 A JP1182585 A JP 1182585A JP 18258589 A JP18258589 A JP 18258589A JP H0351411 A JPH0351411 A JP H0351411A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- porous
- liquid
- sheets
- water
- 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
- 238000005507 spraying Methods 0.000 title claims abstract description 7
- 238000010276 construction Methods 0.000 title claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 6
- 230000004888 barrier function Effects 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000035515 penetration Effects 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 abstract description 21
- 239000010426 asphalt Substances 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 8
- 239000003673 groundwater Substances 0.000 abstract description 6
- 150000003863 ammonium salts Chemical class 0.000 abstract description 5
- 230000003204 osmotic effect Effects 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract description 2
- 230000015271 coagulation Effects 0.000 abstract 3
- 238000005345 coagulation Methods 0.000 abstract 3
- 230000003111 delayed effect Effects 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000009412 basement excavation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- 229910044991 metal oxide Inorganic materials 0.000 description 7
- 150000004706 metal oxides Chemical class 0.000 description 7
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 125000000129 anionic group Chemical group 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 230000035699 permeability Effects 0.000 description 5
- 239000003349 gelling agent Substances 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- GEHMBYLTCISYNY-UHFFFAOYSA-N Ammonium sulfamate Chemical compound [NH4+].NS([O-])(=O)=O GEHMBYLTCISYNY-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Revetment (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
【発明の詳細な説明】
《産業上の利用分野｝
この発明は、廃棄物処分場・貯水池・水路など遮水に用
いられる遮水シートエ法に関し、特に、現場施工により
遮水性を確保する遮水シートの施工方法に関する。[Detailed Description of the Invention] <Industrial Application Fields> The present invention relates to a water-shielding sheet method used for water-shielding waste disposal sites, reservoirs, waterways, etc., and particularly relates to a water-shielding sheet method used for water-shielding waste disposal sites, reservoirs, waterways, etc. Regarding the sheet construction method.
（従来の技術）
従来、廃棄物処分場・貯水池・水路などの遮水を目的と
する工法には、工場サイドで形成された遮水シートを現
場で敷設して継手処理を行う方法と、現場に敷設された
シートにアスファルト系等の防水材料を吹付ける方法と
が用いられていた。(Conventional technology) Conventionally, construction methods aimed at blocking water in waste disposal sites, reservoirs, waterways, etc. include a method in which a water-blocking sheet formed on the factory side is laid on-site and joint treatment is performed; A method was used in which a waterproofing material such as asphalt was sprayed onto the sheet laid on the ground.
しかし、前者の方法は、継手処理に接着ないしは溶着が
採用されており、この部分が弱点となって、漏水が起こ
ることが多く、また、シートの敷設に当たっては地表面
の整形を要するとともに、運搬・継手処理などに多くの
時間と労力を要するなどの問題があった。However, the former method uses adhesive or welding for joint processing, which often becomes a weak point and causes water leakage.In addition, when laying the sheet, it is necessary to shape the ground surface, and it is necessary to transport the sheet.・There were problems such as a lot of time and effort required for processing the joints.
一方、後者の方法では、現場施工により遮水性を確保す
るので、前者の方法に比べて施工性は良好となり、例え
ば、特公昭５１−４６９８３号公報には、地表面に不織
布を敷設した後に、親水性ウレタンプレプリマー●水●
アスファルトエマルジョンの混合物を不織布の全面に吹
付けて、防水層を形成する工法が提供されている。On the other hand, in the latter method, water-tightness is ensured through on-site construction, so the workability is better compared to the former method. Hydrophilic urethane preprimer●Water●
A method is provided in which a mixture of asphalt emulsions is sprayed over the entire surface of a nonwoven fabric to form a waterproof layer.
しかしながら、この工法にも以下に説明する技術的課題
があった。However, this construction method also had technical problems as explained below.
《発明が解決しようとする課題〉
すなわち、この種の遮水シート工法が適用される廃棄物
処分場や水路などでは、遮水シートのふくれや破断を防
止するため、遮水シートの背面側に地下水対策が施され
ており、その対策として、一般的には、遮水シートと地
盤との間に帯状のドレーン材を介設している。<<Problem to be solved by the invention>> In other words, in waste disposal sites, waterways, etc. where this type of water-shielding sheet construction method is applied, in order to prevent the water-shielding sheet from blistering or breaking, it is necessary to Countermeasures against groundwater are taken, and as a countermeasure, generally a belt-shaped drain material is interposed between the water-blocking sheet and the ground.
ところが、前記遮水シート工法に使用される混合物は、
浸透性に優れているため、これが遮水シートを貫通して
ドレーン材まで浸透して固結するので、ドレーン材の排
水機能を喪失するという問題があった。However, the mixture used in the water-blocking sheet construction method is
Because it has excellent permeability, it penetrates the water-blocking sheet and penetrates to the drain material, where it hardens, causing the drain material to lose its drainage function.
この発明はこのような従来の問題点に鑑みてなされたも
のであり、その目的とするところは、緩凝固浸透性ｌ夜
の特性を活かして簡１ｉ１に地下水対策が確保される現
場施工による吹付け遮水シート工法を提供することにあ
る。This invention was made in view of these conventional problems, and its purpose is to provide an on-site construction method that utilizes the characteristics of slow solidification permeability to easily ensure groundwater countermeasures. The purpose of the present invention is to provide a water-shielding sheet construction method.
《課題を解決するための手段）
上記目的を達戊するために、本発明は、地表面上に多孔
性シートの継手部が部分的に相互に重合するように敷設
した後、この混合液は、金属酸化物を含有するアニオン
性ゴムアスファルトエマルジョンまたはアスファルトエ
マルジョンと、ゲル化剤としてアルコールまたはその誘
導体を含有するアンモニウム塩水溶液との２液を混合し
たものである。緩凝固浸透性液を前記多孔性シートの全
面に吹付ける工法であって、前記緩凝固浸透性液の吹付
け前に、前記継手部の多孔性シート間に前記緩凝固浸透
性液の浸透を阻止する帯状のシートを介装することを特
徴とする。<<Means for Solving the Problems>> In order to achieve the above object, the present invention provides that after the joints of porous sheets are laid on the ground surface so that they partially overlap each other, this mixed liquid is It is a mixture of two liquids: an anionic rubber asphalt emulsion or an asphalt emulsion containing a metal oxide, and an aqueous ammonium salt solution containing alcohol or its derivative as a gelling agent. A construction method in which a slowly solidifying penetrating liquid is sprayed over the entire surface of the porous sheet, and before spraying the slowly solidifying penetrating liquid, the slow solidifying penetrating liquid is allowed to penetrate between the porous sheets of the joint part. It is characterized by intervening a band-shaped sheet to prevent this.
本発明で使用する帯状のシートとしては、緩凝固浸透性
液の浸透がなければその材質は問わないが、例えば、ポ
リエチレンフィルムなどが好適であり、このフィルムを
多孔性シートの継手部に予め接着しておいても良い。The material of the belt-shaped sheet used in the present invention does not matter as long as the slowly solidifying penetrating liquid does not permeate, but polyethylene film is suitable, for example, and this film is bonded to the joint of the porous sheet in advance. You can leave it there.
（作用）
上記構戊の吹付け遮水シート工法における多孔性シート
の継手部には、緩凝固浸透性液の浸透を阻止する帯状の
シートが介装されているので、重合わされた継手部の地
盤側に位置する多孔性シートの一部を地下水を排水する
ドレーン材として使用できる。(Function) In the sprayed impermeable sheet construction method described above, a band-shaped sheet that prevents the permeation of the slowly solidifying penetrating liquid is interposed at the joint of the porous sheet, so that the overlapped joint A part of the porous sheet located on the ground side can be used as a drain material for draining groundwater.
３
また、多孔性シートに吹付ける緩凝固浸透性戒の吹付け
量を調整して、通常よりも多くすれば、浸透性液は、多
孔性シートを浸透した後、地表面に浸透させることがで
き、このようにすれば、多孔性シートを地表面に密着固
定させられる。3 In addition, by adjusting the amount of slow-solidifying penetrating liquid sprayed onto the porous sheet and making it larger than usual, the penetrating liquid can penetrate the porous sheet and then into the ground surface. In this way, the porous sheet can be tightly fixed to the ground surface.
さらに、多孔性シー１・に不織布を使用すれば、不織布
は緩凝固浸透性液を均一に受け入れるので、これを含浸
させると均一な厚みの遮水シートを形成することができ
る。Furthermore, if a non-woven fabric is used for the porous sheet 1, the non-woven fabric will uniformly accept the slow-solidifying permeable liquid, so that when impregnated with this, a water-blocking sheet with a uniform thickness can be formed.
《実施例｝
以下、この発明の好適な実施例について添付図面を参照
にして詳細に説明する。<<Examples>> Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
第１図から第３図は、この発明にかかる現場施工による
吹付け遮水シート工法の一実施例を示している。FIGS. 1 to 3 show an embodiment of the on-site spray-on water-blocking sheet construction method according to the present invention.
同図に示す遮水シートエ法は、廃棄物処分場ないしは貯
水池にこの発明を適用した場合を例示している。The impermeable sheeting method shown in the figure exemplifies the case where the present invention is applied to a waste disposal site or a reservoir.
施工では、まず、第１図に示すように、地盤を掘削して
四部１０が形成され、この四部１０の外４
周に溝１２が掘削され、掘削面は適宜整形される。In construction, first, as shown in FIG. 1, the ground is excavated to form four sections 10, grooves 12 are excavated around the four outer circumferences of these four sections 10, and the excavated surface is shaped as appropriate.
次いで、凹部１０の内面に多孔性シート１４が敷設され
る。Next, a porous sheet 14 is laid on the inner surface of the recess 10.
多孔性シート１４は、第２図に示すように、端部同士を
部分的に相互に重合させ、継手部１６を設けて敷設され
る。継手部１６には下側の多孔性シート１４に、目串１
８を止着して固定され、その上に上側の多孔性シート１
４を重合させる。As shown in FIG. 2, the porous sheet 14 is laid with its ends partially overlapping each other and a joint 16 provided. In the joint part 16, there is a mesh skewer 1 on the lower porous sheet 14.
8 is fastened and fixed, and the upper porous sheet 1 is placed on top of it.
Polymerize 4.
このとき、継手部１６を構成する一対の多孔性シート１
４の間には、後述する緩凝固浸透性液の浸透を阻止する
帯状のシート１つが介設される。At this time, the pair of porous sheets 1 constituting the joint part 16
A belt-shaped sheet is interposed between the tubes 4 and 4 to prevent penetration of a slowly solidifying penetrating liquid, which will be described later.
この帯状シート１９は、この実施例では、地盤側に位置
する多孔性シート１４の端縁に沿って継手部１６の全長
に亘って配置され、四部１０の全体に対しては、例えば
、格子状に配列される。In this embodiment, this strip-shaped sheet 19 is arranged along the edge of the porous sheet 14 located on the ground side over the entire length of the joint part 16, and for the whole of the four parts 10, it is arranged in a lattice shape, for example. Arranged in
なお、目串１８による固定は、凹部１０の底面では必ず
しも必要でなく、凹部１０の法面だけで用いるようにし
ても良い。Note that fixing with the skewer 18 is not necessarily required on the bottom surface of the recess 10, and may be used only on the slope of the recess 10.
多孔性シート１４の敷設が終了すると、シート１４の全
面に緩凝固浸透性液が吹付けられる。When the porous sheet 14 is completely laid, a slowly solidifying penetrating liquid is sprayed over the entire surface of the sheet 14.
ここで、緩凝固浸透性波は、前述の特公昭５１４６９８
３号公報に記載のものも使用できるが、紫外線による劣
化を防ぐ優れた効果を有する緩凝固浸透性混合液が望ま
しい。Here, the slow solidification permeability wave is
Although the liquid described in Japanese Patent No. 3 can be used, a slowly solidifying permeable mixed liquid is preferable because it has an excellent effect of preventing deterioration due to ultraviolet rays.
そこで、この実施例では２液からなる緩凝固浸透性混合
液Ａが用いられ、混合液Ａは金属酸化物を含有するアニ
オン性ゴムアスファルトエマルジョンまたはアスファル
トエマルジョンと、ゲル化剤としてアルコールまたはそ
の誘導体を含有するアンモニウム塩水溶液との２液を混
合したものである。Therefore, in this example, a slowly solidifying penetrating liquid mixture A consisting of two liquids is used, and the liquid mixture A is an anionic rubber asphalt emulsion or an asphalt emulsion containing a metal oxide, and an alcohol or its derivative as a gelling agent. It is a mixture of two liquids, including an aqueous ammonium salt solution.
上記エマルジョンは、アニオン性で金属酸化物を含有し
ているが、エマルジョンの濃度は、低すぎると浸透性が
過大となり、地表側への流出ロスが多くなるとともに、
高すぎると多孔性シートへの含浸が不十分になるので、
固形分が５５〜７０重量％の範囲が適当である。The above emulsion is anionic and contains metal oxides, but if the concentration of the emulsion is too low, the permeability will be excessive and the loss of runoff to the ground side will increase.
If the temperature is too high, impregnation into the porous sheet will be insufficient.
A suitable solid content range is 55 to 70% by weight.
エマルジョンの選択は、仕上用の遮水シートの場合は、
ゴムアスファルトが選択され、下地用の遮水シートの場
合には、アスファルトエマルジョンでも良い。When selecting an emulsion, for finishing water-blocking sheets,
Rubber asphalt is selected, and in the case of a water-blocking sheet for the base, asphalt emulsion may also be used.
金属酸化物としては、酸化亜鉛、酸化マグネシウムなど
が挙げられ、含有率は０．１〜５重量％の範囲が適当で
ある。Examples of metal oxides include zinc oxide and magnesium oxide, and the content thereof is suitably in the range of 0.1 to 5% by weight.
本発明に使川するゲル化剤としてのアンモニウム塩は、
硫酸アンモニウム、硝酸アンモニウム、スルファミン酸
アンモニウム、炭酸アンモニウムなどが挙げられ、濃度
は５〜３６重量％の範囲が適当である。The ammonium salt used as a gelling agent in the present invention is
Examples include ammonium sulfate, ammonium nitrate, ammonium sulfamate, ammonium carbonate, and the appropriate concentration is in the range of 5 to 36% by weight.
なお、本発明で使用する多孔性シートとしては、不織布
が代表的なものであり、通常施工の場合には、ポリエス
テル繊維系などの不織布が採用され、特に強い引張り強
度を必要とする場合には、ポリエステル繊維系などの不
織布の片面にガラスクロスを接着した複合多孔性シート
が採用される。In addition, the porous sheet used in the present invention is typically a nonwoven fabric, and in the case of normal construction, a nonwoven fabric such as polyester fiber type is used, and when particularly high tensile strength is required, a nonwoven fabric is used. , a composite porous sheet with glass cloth adhered to one side of a nonwoven fabric such as polyester fiber is used.
緩凝固浸透性混合液Ａは、この実施例では、二連式比例
配合ポンプ２０にホース２２を介して接続されたノズル
２４から噴射して吹付けられる。In this embodiment, the slowly solidifying osmotic liquid mixture A is sprayed by injection from a nozzle 24 connected to a dual proportional mixing pump 20 via a hose 22.
二連式比例配合ポンブ２０には、金属酸化物を含有する
アニオン性ゴムアスファルトエマルジョ７
ンまたはアスファルトエマルジョンから選択されたエマ
ルジョンＢが収容された第１のタンク２６と、アルコー
ルまたはその誘導体をゲル化剤として含有するアンモニ
ウム塩水溶液Ｃが収容された第２のタンク２８がそれぞ
れ接続されている。The dual proportioning pump 20 includes a first tank 26 containing emulsion B selected from anionic rubber asphalt emulsion containing metal oxides or asphalt emulsion, and a first tank 26 containing emulsion B selected from anionic rubber asphalt emulsion containing metal oxides or asphalt emulsion, and a first tank 26 containing emulsion B selected from anionic rubber asphalt emulsion containing a metal oxide or an asphalt emulsion. A second tank 28 containing an aqueous ammonium salt solution C contained as a chemical agent is connected to each tank.
なお、この実施例では、エマルジョンＢと水溶液Ｃとを
個別に作成し、ポンプ２０で混合して吹付ける場合を例
示しているが、これらを予め混合し、通常のポンプで吹
付けるようにしても良い。In this example, emulsion B and aqueous solution C are prepared separately and are mixed and sprayed using the pump 20. Also good.
緩凝固浸透性混合液Ａの吹付けが終了すると、多孔性シ
ートｌ４の端部を溝１２の中に折り曲げた後、溝１２内
に±３０を投入して埋め戻せば、工事が完了し、緩凝固
浸透性混合液Ａが含浸固結された多孔性シート１４上に
は廃棄物を投入したり、あるいは水が貯溜される。When the spraying of the slow-solidifying penetrating liquid mixture A is completed, the end of the porous sheet 14 is bent into the groove 12, and then ±30 mm is put into the groove 12 and backfilled, and the construction is completed. On the porous sheet 14 impregnated and solidified with the slowly solidified permeable liquid mixture A, waste is thrown or water is stored.
′さて、以上の工程により施工される遮水シート工法に
おいては、多孔性シート１４の継手部１６に緩凝固浸透
性混合液Ａの浸透を阻止する帯状のシート１９が介設さ
れているので、帯状シート１９下面側にあって、地盤側
に位置する多孔性シー８
ト１４の帯状シート１９の幅Ｗに相当する部分は、緩凝
固浸透性混合液Ａが固結してもその多孔性が喪失されず
、地下水を排出するドレーン材として機能することにな
る。'Now, in the water-blocking sheet construction method constructed by the above steps, a band-shaped sheet 19 is interposed at the joint part 16 of the porous sheet 14 to prevent the permeation of the slowly solidifying permeable mixed liquid A. The porous sheet 8 located on the lower surface side of the strip sheet 19 and corresponding to the width W of the strip sheet 19 of the porous sheet 14 does not maintain its porosity even if the slowly solidified permeable mixed liquid A solidifies. It will not be lost and will function as a drain material to drain groundwater.
《発明の効果｝
以上実施例で説明したように、この発明にかかる現場施
工による吹付け遮水シニトエ法によれば、継手部に緩凝
固浸透性液の浸透を阻止する帯状シートを介設するとい
う簡単に継手処理により、遮水シート自体に地下水を排
出するドレーン月としての機能も持たせることができる
。<<Effects of the Invention>> As explained above in the embodiments, according to the on-site spraying water-blocking method according to the present invention, a band-shaped sheet is interposed in the joint portion to prevent penetration of the slowly solidifying penetrating liquid. By simply processing the joints, the water-shielding sheet itself can function as a drain for draining groundwater.
第１図および第２図は、この発明のかかる現場施工によ
る吹付け遮水シート工法の一実施例を工程順に示した施
工説明図、第３図は第２図の要部拡大図である。
１４・・・・・・多孔性シート
１６・・・・・・継手部
１９・・・・・・帯状シート
２４・・・・・・ノズル
Ａ・・・・・・・・・緩凝固浸透性混合液Ｂ・・・・・
・・・・エマルジョンFIGS. 1 and 2 are construction explanatory diagrams illustrating an embodiment of the on-site sprayed water-blocking sheet construction method according to the present invention in the order of steps, and FIG. 3 is an enlarged view of the main part of FIG. 2. 14... Porous sheet 16... Joint portion 19... Band-shaped sheet 24... Nozzle A... Slow solidification permeability Mixed liquid B...
・・・Emulsion
Claims (1)
するように敷設した後、緩凝固浸透性液を前記多孔性シ
ートの全面に吹付ける工法であって、前記緩凝固浸透性
液の吹付け前に、前記継手部の多孔性シート間に前記緩
凝固浸透性液の浸透を阻止する帯状のシートを介装する
ことを特徴とする現場施工による吹付け遮水シート工法
。A construction method in which a porous sheet is laid on the ground surface so that its joints partially overlap each other, and then a slowly solidifying permeable liquid is sprayed onto the entire surface of the porous sheet, the slowly solidifying permeable liquid A method of spraying water-blocking sheet construction by on-site construction, characterized in that, before spraying, a band-shaped sheet that prevents penetration of the slowly solidifying penetrating liquid is interposed between the porous sheets of the joint portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1182585A JP2524640B2 (en) | 1989-07-17 | 1989-07-17 | Spraying impermeable sheet construction method by construction on site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1182585A JP2524640B2 (en) | 1989-07-17 | 1989-07-17 | Spraying impermeable sheet construction method by construction on site |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0351411A true JPH0351411A (en) | 1991-03-05 |
| JP2524640B2 JP2524640B2 (en) | 1996-08-14 |
Family
ID=16120856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1182585A Expired - Lifetime JP2524640B2 (en) | 1989-07-17 | 1989-07-17 | Spraying impermeable sheet construction method by construction on site |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2524640B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5823943A (en) * | 1994-08-02 | 1998-10-20 | Olympus Optical Co., Ltd | Light source device for endoscopes |
| JP2003236489A (en) * | 2002-02-12 | 2003-08-26 | C I Kasei Co Ltd | Water barrier structure |
| JP2003236487A (en) * | 2002-02-12 | 2003-08-26 | C I Kasei Co Ltd | Water barrier structure |
| US6755596B2 (en) * | 2001-01-16 | 2004-06-29 | Charles W. Schibi | Plastic lined canal |
| JP2006288508A (en) * | 2005-04-07 | 2006-10-26 | Pentax Corp | Light source device for endoscope |
-
1989
- 1989-07-17 JP JP1182585A patent/JP2524640B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5823943A (en) * | 1994-08-02 | 1998-10-20 | Olympus Optical Co., Ltd | Light source device for endoscopes |
| US5993037A (en) * | 1994-08-02 | 1999-11-30 | Olympus Optical Co., Ltd. | Light source device for endoscopes |
| US6086531A (en) * | 1994-08-02 | 2000-07-11 | Olympus Optical Co., Ltd. | Light source device for endoscopes |
| US6755596B2 (en) * | 2001-01-16 | 2004-06-29 | Charles W. Schibi | Plastic lined canal |
| JP2003236489A (en) * | 2002-02-12 | 2003-08-26 | C I Kasei Co Ltd | Water barrier structure |
| JP2003236487A (en) * | 2002-02-12 | 2003-08-26 | C I Kasei Co Ltd | Water barrier structure |
| JP2006288508A (en) * | 2005-04-07 | 2006-10-26 | Pentax Corp | Light source device for endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2524640B2 (en) | 1996-08-14 |
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