JP2844080B2 - Sealing material for waterproofing and waterproofing of structures - Google Patents
Sealing material for waterproofing and waterproofing of structuresInfo
- Publication number
- JP2844080B2 JP2844080B2 JP1132580A JP13258089A JP2844080B2 JP 2844080 B2 JP2844080 B2 JP 2844080B2 JP 1132580 A JP1132580 A JP 1132580A JP 13258089 A JP13258089 A JP 13258089A JP 2844080 B2 JP2844080 B2 JP 2844080B2
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- sealing
- waterproofing
- hollow core
- core material
- 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.)
- Expired - Fee Related
Links
Landscapes
- Retaining Walls (AREA)
- Building Environments (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は土木建築における各種、漏水防止並に止水用
シール材に係るものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to various types of civil engineering constructions, such as sealing materials for preventing water leakage and stopping water.
（従来の技術） 従来この種のシール材（ａ）は第13図に示す如く、構
造物（ｂ）の防水、若しくは止水部に介装し、外部から
の圧力Ｐによって歪ませて相手面とのシールを行なうよ
うに構成されている。(Prior Art) Conventionally, as shown in FIG. 13, this type of sealing material (a) is interposed in a waterproof or water-stop portion of a structure (b), and is distorted by an external pressure P to form a mating surface. It is configured to perform sealing with.
（発明が解決しようとする課題） 前記従来のシール材においては、同シール材を加圧し
て歪ませるため、経年変化による変形痩せが発生し、シ
ール材の気密性に問題を生じる。(Problems to be Solved by the Invention) In the conventional sealing material, since the sealing material is pressurized and distorted, deformation and thinning due to aging occur, which causes a problem in airtightness of the sealing material.
またシール面と空間部とが均一化されていないと、シ
ール性がよくなく安定性を欠き、面圧も一定化できず、
シール材としての機能を保つことができない。（第14図
乃至第16図参照） 特に前記外部加圧式シールの場合、一つの線上でシー
ル材の厚みを超えた空間部のシールを、単一のシール材
で賄うことができず、無理に大きなシール材を挿入して
シールを行なうと、材料の疲労及び歪みによってシール
材の寿命を短かくする。In addition, if the sealing surface and the space are not uniform, the sealing performance is poor and lacks stability, and the surface pressure cannot be constant,
The function as a sealing material cannot be maintained. (Refer to FIGS. 14 to 16) In particular, in the case of the externally pressurized seal, a seal in a space portion exceeding the thickness of the seal material on one line cannot be covered by a single seal material, and it is forcibly applied. When sealing is performed by inserting a large sealing material, the life of the sealing material is shortened due to fatigue and distortion of the material.
本発明は前記従来技術の有する問題点に鑑みて提案さ
れたもので、その目的とする処は、シール面が均一でな
くとも相手面の形状に即応して変形し、シールすること
ができ、経年変化による変形痩せの生起することがな
く、常水面下の工事にも使用可能な構造物の防水並に止
水用シール材を提供する点にある。The present invention has been proposed in view of the problems of the prior art, and the object thereof is to deform in response to the shape of the mating surface even if the sealing surface is not uniform, and it is possible to seal, An object of the present invention is to provide a waterproof and water-stopping sealing material for a structure which does not cause deformation and thinning due to aging and can be used for construction under normal water.
（課題を解決するための手段） 前記の目的を達成するため、本発明に係る構造物の防
水並に止水用シール材は、加圧流体注入部を有する弾性
中空芯材の外周に、粘着性を有する外郭材を層着して構
成されている （作用） 本発明に係るシール材は前記したように構成されてい
るので、構造物における防水、または止水を要する個所
に配設し、前記弾性中空芯材の中空部に、加圧流体注入
部を介して流体を注入し、前記芯材の内部より加圧する
ことによって同芯材を膨張させると、同芯材の外周に層
着された粘着性を有する外郭材がシール面が均一でなく
ても同面の形状に沿って変形して同面に密接して接着さ
れ、シール材は無理に圧縮されることがなく、経年変化
による変形痩せを生起しない。(Means for Solving the Problems) In order to achieve the above-mentioned object, the waterproof and water-stopping sealing material of the structure according to the present invention is formed by adhering to the outer periphery of an elastic hollow core material having a pressurized fluid injection part. (Function) Since the sealing material according to the present invention is configured as described above, the sealing material is disposed at a location in the structure where waterproofing or waterproofing is required, When a fluid is injected into the hollow portion of the elastic hollow core material through a pressurized fluid injection portion and the concentric material is expanded by applying pressure from the inside of the core material, the concentric material is layered on the outer periphery of the concentric material. Even if the sealing material does not have a uniform sealing surface, it deforms along the shape of the same surface and is closely adhered to the same surface, and the sealing material is not forcibly compressed and changes over time Does not cause deformed thinning.
また前記芯材に封入された加圧流体によってシール材
の体積が増大することによって、一つの線上でシール面
の空間部の大きさが変化しても、前記シール材の体積変
化によって対応し、確実にシールすることができる。Also, by increasing the volume of the sealing material by the pressurized fluid sealed in the core material, even if the size of the space of the sealing surface changes on one line, the volume of the sealing material responds, Sealing can be performed reliably.
（実施例） 以下本発明を図示の実施例について説明する。(Example) Hereinafter, the present invention will be described with reference to an illustrated example.
（Ａ）は構造物の防水並に止水用の線状シール材で、
ゴムプラスチツク、発泡プラスチツク等より構成された
弾性中空芯材（１）の外周に、粘着性を有するブチル
系、シリコン系等の外郭材（２）を層着するとともに、
前記芯材（１）の中空部（３）に加圧流体封入パイプ
（４）及びエヤ抜きパイプ（５）を接続して構成されて
いる。(A) is a linear sealing material for waterproofing as well as waterproofing the structure,
An outer shell material (2) such as a butyl-based or silicon-based material having adhesiveness is layered on the outer periphery of an elastic hollow core material (1) made of rubber plastic, foamed plastic, or the like,
A pressurized fluid filling pipe (4) and an air removing pipe (5) are connected to the hollow part (3) of the core material (1).
図中（６）（７）は前記各パイプ（４）（５）に介装
されたバルブである。In the figure, (6) and (7) are valves interposed in the pipes (4) and (5).
図示の実施例は前記したように構成されているので、
構造物（Ｂ）のシール部分に、前記中空二重構造の線状
複合シール材（Ａ）を配設し、前記加圧流体注入パイプ
（４）を介して弾性中空芯材（１）の中空部（３）にグ
ラウト等の加圧流体を注入すると、同流体の内圧によっ
て前記中空芯材（１）を膨張せしめ、粘着性を有する外
郭材（２）を前記構造物（Ｂ）のシール面に密接して接
着せしめ、同シール面を確実にシールする。Since the illustrated embodiment is configured as described above,
The hollow double-structured linear composite sealing material (A) is disposed at the sealing portion of the structure (B), and the hollow of the elastic hollow core material (1) is inserted through the pressurized fluid injection pipe (4). When a pressurized fluid such as grout is injected into the portion (3), the hollow core material (1) is expanded by the internal pressure of the fluid, and the outer shell material (2) having adhesiveness is sealed with the sealing surface of the structure (B). And tightly seal the sealing surface.
前記実施例に示すシール材（Ａ）は、加圧流体の注入
される中空部（３）を有する弾性中空芯材（１）の外周
に、粘着性を有する外郭材（２）が層着されていること
によって、シール面（Ｃ）が均一でなくとも相手面の形
状に即応して変形してシールすることができる。この
際、前記外郭材（２）がその粘着性によりシール面
（Ｃ）に接着することによって、シール材（Ａ）が無理
に圧縮されることがないので、経年変化によりシール材
に変形痩せを生じることがない。In the sealing material (A) shown in the above embodiment, an outer shell material (2) having adhesiveness is layered on the outer periphery of an elastic hollow core material (1) having a hollow portion (3) into which a pressurized fluid is injected. Accordingly, even if the sealing surface (C) is not uniform, it is possible to deform and seal in response to the shape of the mating surface. At this time, the outer shell material (2) adheres to the sealing surface (C) due to its adhesiveness, so that the sealing material (A) is not forcibly compressed. Will not occur.
また前記弾性中空芯材（１）が、その中空部（３）に
封入されたグラウトにより体積の膨張を生起することに
よって、シール面の空間部が均一化されていなくて、一
つの線状で空間部の大きさｔが変化している場合でも、
シール材（Ａ）がシール面に密着して、全体的に安定し
たシールができ、確実な防水、止水効果が得られる。In addition, the elastic hollow core material (1) causes a volume expansion due to the grout sealed in the hollow portion (3), so that the space portion of the sealing surface is not uniform, and is formed in one linear shape. Even when the size t of the space changes,
The sealing material (A) is in close contact with the sealing surface, so that a stable sealing can be achieved as a whole, and a reliable waterproof and waterproof effect can be obtained.
更に前記シール材（Ａ）は水中におけるシールを可能
ならしめるので、土木建築の常水面下の工事に適用され
る。Further, since the sealing material (A) enables sealing underwater, it is applied to construction under normal water level of civil engineering construction.
なお前記シール材（Ａ）は第１図乃至第３図に示す方
形断面の他に、第４図に示す如き台形断面、第５図に示
す如き円形断面、その他、任意の断面形状に構成され
る。The sealing material (A) has a trapezoidal cross section as shown in FIG. 4, a circular cross section as shown in FIG. 5, and other arbitrary cross sectional shapes in addition to the square cross section as shown in FIGS. You.
第６図は前記シール材（Ａ）によって相隣るPC版
（８）（８）間の目地防水を施した実施例を示す。FIG. 6 shows an embodiment in which joints between adjacent PC plates (8) and (8) are waterproofed by the sealing material (A).
第７図は山留桟橋Ｈ型親杭（９）の止水に前記シール
材（Ａ）を適用した実施例を示し、前記親杭（９）の周
囲にシール材（Ａ）を貼着し、耐圧盤（10）のコンクリ
ート打設後、グラウト材を同シール材（Ａ）の中空芯材
（１）の中空部に加圧流体注入パイプ（４）を介して注
入し、前記親杭（９）の常水面下におけるシールを行な
うものである。FIG. 7 shows an embodiment in which the sealing material (A) is applied to the water stoppage of the H-shaped parent pile (9) of the Yamadome Pier, and the sealing material (A) is attached around the parent pile (9). After the concrete is cast on the pressure plate (10), a grout material is injected into the hollow portion of the hollow core material (1) of the sealing material (A) through a pressurized fluid injection pipe (4), and the parent pile ( 9) Sealing under the normal water level is performed.
第８図はデイープウエル回りの止水に前記シール材
（Ａ）を適用した実施例を示し、ウエル（11）の外周に
前記シール材（Ａ）を貼着し、耐圧盤（12）のコンクリ
ート打設後、前記加圧流体封入パイプ（４）を介して前
記シール材（Ａ）の中空芯材（１）の中空部にグラウト
材を注入し、地下水圧によって透水するのを防止する。FIG. 8 shows an embodiment in which the sealing material (A) is applied to the water stop around the deep well. The sealing material (A) is attached to the outer periphery of the well (11), and the concrete of the pressure plate (12) is formed. After the casting, a grout material is injected into the hollow portion of the hollow core material (1) of the sealing material (A) through the pressurized fluid sealing pipe (4) to prevent water permeation by groundwater pressure.
なお前記パルプ（４）にはグラウトの逆流防止用チエ
ツクバルブを装着するものである。The pulp (4) is provided with a check valve for preventing backflow of grout.
図中（13）は捨コンクリートである。 (13) in the figure is discarded concrete.
第９図は地下工事のコンクリート躯体打継部の止水
に、前記シール材（Ａ）の適用した実施例を示し、躯体
打継面（14）に前記シール材（Ａ）を配設し、打継コン
クリート打設後、前記シール材（Ａ）の中空芯材（１）
の中空部に、加圧流体封入パイプ（４）を介してグラウ
ト材を注入し、躯体コンクリートに接する地山（15）か
ら浸出する地下水を止水するものである。FIG. 9 shows an embodiment in which the sealing material (A) is applied to the water stoppage of the joint of the concrete skeleton in the underground construction, and the sealing material (A) is disposed on the jointing surface (14) of the skeleton. After casting concrete, hollow core material (1) of the sealing material (A)
A grout material is injected into the hollow portion of the container through a pressurized fluid filled pipe (4) to stop the groundwater leaching from the ground (15) in contact with the slab concrete.
第10図乃至第12図は地下山留壁面からのコンクリート
打設後の漏水処理に前記シール材（Ａ）を適用した実施
例を示し、第10図に示す地下山留壁（16）の漏水個所
（17）をカツターによって斫り込み、（第11図参照）同
斫り込み部（18）の前記シール材（Ａ）を挿入し、中空
芯材にグラウト材を圧入し、同グラウト材の注入圧によ
って漏水を防止するものである。10 to 12 show an embodiment in which the sealing material (A) is applied to the water leakage treatment after the concrete is poured from the underground mountain retaining wall, and the leakage of the underground mountain retaining wall (16) shown in FIG. 10 is shown. The part (17) is cut with a cutter (see FIG. 11), the sealing material (A) of the shaving part (18) is inserted, the grout material is pressed into the hollow core material, and the grout material is removed. Water leakage is prevented by the injection pressure.
（発明の効果） 本発明に係る構造物の防止並に止水用シール材は前記
したようにグラウト材を注入した弾性中空芯材と、該弾
性中空芯材の外周に層着される粘着性を有する外郭材と
から構成されるものであるから、グラウト材を注入した
弾性中空芯材は、その注入されたグラウト材が不燃性の
ため、注入作業を円滑にして中空芯材の加圧力の調整が
容易となり、又中空芯材の外周に層着される外郭材は粘
着性を有するためシール面が不均一であっても、全体と
して安定したシール効果を発揮するとともに、シール材
の経年変化による変形痩せの生起することがない。(Effects of the Invention) The sealing material for preventing and preventing the structure according to the present invention is an elastic hollow core material in which a grout material is injected as described above, and an adhesive layer formed on the outer periphery of the elastic hollow core material. Since the grout material is injected into the elastic hollow core material, since the injected grout material is nonflammable, the injection work is smoothed and the pressing force of the hollow core material is reduced. Adjustment is easy, and the outer material layered on the outer periphery of the hollow core material has adhesiveness, so even if the sealing surface is uneven, it exhibits a stable sealing effect as a whole and changes over time of the sealing material Deformation due to thinning does not occur.
また本発明に係るシール材によれば水中におけるシー
ルが可能となり、土木建築の常水面下における工事に適
用される。Further, according to the seal material of the present invention, it is possible to seal in water, and the present invention is applied to construction under normal water level of civil engineering construction.
更に本発明に係るシール材によれば、従来、コーキン
グでは必要であった防水モルタルによる左官工事が不要
になり、施行が著しく簡略化される。Furthermore, according to the sealing material of the present invention, plastering work with waterproof mortar, which was conventionally required in caulking, is not required, and the operation is significantly simplified.
第１図は本発明に係る構造物の防水並に止水用シール材
の一実施例を示す一部縦断斜視図、第２図はその縦断面
図、第３図はその使用状態を示す縦断面図、第４図及び
第５図は夫々本発明の他の各実施例を示す縦断面図、第
６図は前記シール材をPC版の目地防水に適用した使用例
を示す縦断面図、第７図は前記シール材を山留桟橋親杭
の止水に適用した使用例を示す斜視図、第８図は前記シ
ール材をデイープウエルの止水に適用した使用例を示す
縦断面図、第９図は前記シール材を地下工事のコンクリ
ート躯体打継部の止水に適用した使用例を示す縦断面
図、第10図乃至第12図は前記シール材を使用した地下山
留壁面の漏水処理工程を示す説明図、第13図乃至第16図
は従来のシール材の使用状態を示す縦断面図である。 （Ａ）……シール材、（１）……弾性中空芯材、 （２）……外郭材、（３）……中空部、 （４）……加圧流体注入パイプ。FIG. 1 is a partially longitudinal perspective view showing one embodiment of a waterproof and water-stopping sealing material of a structure according to the present invention, FIG. 2 is a longitudinal sectional view thereof, and FIG. FIGS. 4 and 5 are longitudinal sectional views showing other embodiments of the present invention, respectively. FIG. 6 is a longitudinal sectional view showing an example of use in which the sealing material is applied to joint waterproofing of a PC plate. FIG. 7 is a perspective view showing a use example in which the sealing material is applied to water stoppage of a parent pile of a mountain pier, FIG. 8 is a longitudinal sectional view showing an example of use in which the sealing material is applied to water stoppage in a deep well, Fig. 9 is a longitudinal sectional view showing an example of use in which the sealing material is applied to stop water at a joint portion of a concrete skeleton in an underground construction. Figs. FIG. 13 to FIG. 16 are explanatory sectional views showing processing steps, and are longitudinal sectional views showing a state of use of a conventional sealing material. (A) ... sealing material, (1) ... elastic hollow core material, (2) ... outer shell material, (3) ... hollow portion, (4) ... pressurized fluid injection pipe.
Claims (1)
弾性中空芯材の外周に層着される粘着性を有する外郭材
とから構成されることを特徴とする構造物の防水並に止
水用シール材。1. A waterproof structure for a structure, comprising: an elastic hollow core material into which a grout material has been injected; and an adhesive shell material layered on the outer periphery of the elastic hollow core material. Sealing material for water stoppage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1132580A JP2844080B2 (en) | 1989-05-29 | 1989-05-29 | Sealing material for waterproofing and waterproofing of structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1132580A JP2844080B2 (en) | 1989-05-29 | 1989-05-29 | Sealing material for waterproofing and waterproofing of structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH032440A JPH032440A (en) | 1991-01-08 |
| JP2844080B2 true JP2844080B2 (en) | 1999-01-06 |
Family
ID=15084654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1132580A Expired - Fee Related JP2844080B2 (en) | 1989-05-29 | 1989-05-29 | Sealing material for waterproofing and waterproofing of structures |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2844080B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0679772B1 (en) * | 1993-11-12 | 2001-10-10 | Asahi Denka Kogyo Kabushiki Kaisha | Water expansion cut-off plate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5157506U (en) * | 1974-10-31 | 1976-05-06 | ||
| JPS5940414U (en) * | 1982-09-06 | 1984-03-15 | 株式会社クボタ | Watertight joint structure of wallboard |
-
1989
- 1989-05-29 JP JP1132580A patent/JP2844080B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH032440A (en) | 1991-01-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |