EP0244877B2 - Elément d'étanchéité pour joints - Google Patents

Elément d'étanchéité pour joints Download PDF

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Publication number
EP0244877B2
EP0244877B2 EP19870107351 EP87107351A EP0244877B2 EP 0244877 B2 EP0244877 B2 EP 0244877B2 EP 19870107351 EP19870107351 EP 19870107351 EP 87107351 A EP87107351 A EP 87107351A EP 0244877 B2 EP0244877 B2 EP 0244877B2
Authority
EP
European Patent Office
Prior art keywords
base
sealing member
band
water
ridge
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 - Lifetime
Application number
EP19870107351
Other languages
German (de)
English (en)
Other versions
EP0244877B1 (fr
EP0244877A1 (fr
Inventor
Michiyoshi C/O C.I. Kasei Co. Ltd. Terauchi
Hiroshi C/O C.I. Kasei Co. Ltd. Shinjo
Kazuhiro C/O C.I. Kasei Co. Ltd. Takasaki
Takahide C/O C.I. Kasei Co. Ltd. Kameda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CI Kasei Co Ltd
Original Assignee
CI Kasei Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27230047&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0244877(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP19296783U external-priority patent/JPS60104498U/ja
Priority claimed from JP4319584U external-priority patent/JPS60159099U/ja
Application filed by CI Kasei Co Ltd filed Critical CI Kasei Co Ltd
Priority to EP19870107351 priority Critical patent/EP0244877B2/fr
Publication of EP0244877A1 publication Critical patent/EP0244877A1/fr
Publication of EP0244877B1 publication Critical patent/EP0244877B1/fr
Application granted granted Critical
Publication of EP0244877B2 publication Critical patent/EP0244877B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/385—Sealing means positioned between adjacent lining members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B2001/6818—Joints with swellable parts

Definitions

  • the present invention relates to band-like joint sealing members for providing a water-tight seal between members in a civil engineering construction or the like.
  • sealing members for such purposes are already known.
  • FR-A2 293 574 there are disclosed sealing members made of elastic material with a plurality of ridges on one face or on opposite faces.
  • JP-A 58 187 655 there is disclosed a sealing member made of a watertight substance containing a resin which swells and gels by absorbing water.
  • the present invention provides an improved sealing element over the prior known art.
  • unit segments 1 are used as work materials in constructing a shield tunnel excavated underground. These unit segments 1 are closely joined in the direction a along the peripheral wall and in the longitudinal direction b of the gallery.
  • each of segments 1 there are provided front and rear flanges 2 and 3 extending in the circumferential direction a around the peripheral walls, and upper and lower flanges 4 and 5 extending in the longitudinal direction b.
  • front and rear flanges 2 and 3 extending in the circumferential direction a around the peripheral walls, and upper and lower flanges 4 and 5 extending in the longitudinal direction b.
  • a band-like joint sealing member 8 is secured by bonding onto one side of the flange surfaces facing gaps 7 between adjacent flange surfaces.
  • a well-known water expansible material such as a material obtained by mixing, synthesizing and vulcanizing high hygroscopic resin and synthetic rubber is used.
  • the sealing member 8 is formed into a single layer using the above-mentioned material. The sealing member 8 expands due to infiltration of water W into the joint so as to watertightly seal the gap 7.
  • Figure 2B depicts another prior art arrangement.
  • a belt-like fitting groove for example, a groove 4a in the flange 4
  • a joint member 8 is fixed in each of the fitting grooves.
  • the surface of the joint member 8 projects from the outer surface of each of the flanges 2 and 4.
  • the flanges 2 and 3 of the respective segments 1 A and 1 C are fixedly clamped together by three connecting bolts 6, and the flanges 4 and 5 of the respective segments 1A and 1B are fixedly clamped by two connecting bolts 6 such that the joint member 8 is compressed by a thickness t and the outer surface of the joint member 8 is urged against the outer surface of the flange 5 by elastic force, thereby effecting water stopping processing at the joint junction.
  • the joint member 8 must be made thicker so as to sufficiently include the thickness t therein so that the joint member 8 largely projects from the flange 4. Accordingly, not only is a large amount of effort required for screwing on the nuts 6a, but also the projecting edge of the joint member 8 is apt to be caught thereby, causing the joint member 8 to slip out of the fitting groove 4a.
  • JP-A-37184/82 describes a water stopping piece which is made from water expandable rubber. The piece is used to stop water penetrating through the joint between two pipes. The piece is located in a groove at the end of the inner pipe. The piece expands in water in order to provide a seal but no initial seal is provided.
  • JP-A-58-59898 describes a water stopping structure which is located in at least one groove between two mating surfaces. The structure is made of water expandable rubber and the effective seal is developed only after the water has caused expansion of the structure.
  • the present invention has been attained to solve the difficulties mentioned above.
  • a specific object of the present invention is to provide a joint sealing member constituted by a water expansible material in which effective expansion in the direction of thickness can be obtained, stable bonding of the bottom surface of the sealing member can be obtained, and effective initial water stopping processing can be accomplished without increasing the thickness of the sealing member.
  • a water- tight seal between frame members (1) in a civil engineering construction comprising a band-like joint sealing member (17) having a band-like base (17a) made of a water-expansible material with one or more ridge portions (17b) formed longitudinally and integrally of the same material on one side of said base (17a), wherein the cross-section of the sealing member as viewed transversely to the running length of the ridge portions (17b) comprises:
  • Figure 4 shows a section of a joint junction portion where a wide joint member 17 (one embodiment) and a similarly shaped narrow joint member 18 (another embodiment) are fixed in two rows between a flange 15 of a segment 1 D and a flange 16 of a segment 1 E.
  • the joint members 17 and 18 are respectively adhered to fitting grooves 16a and 16b of the flange 16.
  • the joint member 17 is made of a material obtained by mixing, synthesizing and vulcanizing a water expansible material such as high-grade water resin and synthetic rubber.
  • a water expansible material such as high-grade water resin and synthetic rubber.
  • synthetic rubber 1,3 diene group rubber containing a crystal domain (or glassy domain) of 5 to 10% at a normal temperature is used.
  • the joint member 17 has two rows of rib-like ridge portions 17b each having a substantially semicircular cross-section extending upwardly from one surface of a strip-like elongated base plate portion 17a.
  • the thickness of the base plate 17a of the joint member 17 is substantially the same as the depth of the fitting groove 16a so that the surface of the base plate 17a is substantially even with the surface of the flange 16.
  • Each of the ridge portions 17b is shaped to have a crest which is high enough to sufficiently project to fill the width t so that, in the state in which the nut 6a is screwed onto the connecting bolt 6 as shown in Figures 4 and 5, the crest portion of each ridge portion 17b is compressed by the thickness t and caused to closely contact with the surface of the flange 15 by its own elastic force.
  • joint member 17 With the joint member 17 according to this embodiment (the same applies to the joint member 18) arranged in the manner as described above, not only is there an advantage of saving material because of the smaller thickness of the base plate 17a, but also, since the base plate 17a becomes substantially even with the face of the flange 16, there is no risk that the joint member will be pulled out of the fitting groove 16a in the joint connecting operation. Moreover, since the crest portion of the ridge portion 17b is compressed when the fixing nut 6a is screwed on, the tightening operation can be easily performed.
  • the joint member 17 of this embodiment provides sufficient watertightness due to close contact by the ridge portions 17b even at the initial stage, and after absorbing water, as shown in Figure 7, the entire joint member 17 conforms to the flange 15 due to the force of expansion so that watertightness is always maintained.
  • the joint member according to the present invention can be widely used with the same effects in water stopping processing in joints of secondary concrete products such as culvert boxes, manholes, or the like, in joints of secondary steel products, colgate pipes, or the like.
  • the shape of the cross-section of the joint member is properly established in accordance with the conditions at hand. Possible shapes for the joint member are shown in Figure 8, chosen taking the following design factors into consideration.
  • the shape of the base plate a rectangle, trapezoid, oblique trapezoid, orthe like, is preferable.
  • the thickness is increased, the watertightness is improved, while the workability for installation is lowered so as to cause, for example, a reduction in the strength of reinforcement.
  • the base plate is made too thin, the opposite result is caused.
  • the member is superior in compressibility and retention, but inferior in watertightness.
  • the opposite result is caused in the case of three ridge portions.
  • a joint member for civil engineering works according to the present invention is formed such that longitudinally extending rib-like ridge portions are formed integrally on one surface of a belt-like base plate made of a water expansible material so that it is possible not only to reduce the cost of the joint member due to the reduction in thickness of the joint member, but also to improve its ease of installation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Claims (2)

1. Garniture étanche à l'eau entre des éléments de cadres (1) dans un ouvrage de génie civil, comprenant un élément d'étanchéité de joint en forme de bande (17) possédant une base en forme de bande (17a) faite d'une matière gonflant à l'eau et présentant une ou plusieurs portions formant côtes (17b) formées longitudinalement et venues en une seule pièce de la même matière sur une face de ladite base (17a), la section transversale de l'élément d'étanchéité comprenant, en vue transversale par rapport à la longueur d'extension des portions formant côtes (17b) :
(a) une base en forme de bande comportant des lignes droites supérieure et inférieure parallèles définissant les faces supérieure et inférieure de la base en forme de bande (17a).
(b) ladite ou lesdites côtes (17b) occupant seulement une partie de l'étendue de ladite ligne supérieure, et étant écartées les unes des autres le long de ladite ligne supérieure lorsqu'il y a plus d'une côte sur ladite ligne supérieure ;
(c) ledit élément d'étanchéité (17) étant disposé dans une rainure (16a) formée dans l'un de deux éléments de cadres (1) adjacents et réunis, l'épaisseur de la base en forme de bande (17a) étant sensiblement égale à la profondeur de ladite rainure (16a) ; et
(d) la hauteur dudit élément d'étanchéité en forme de bande (17) étant supérieure à la distance entre la base de la rainure (16a) formée dans l'un desdits deux éléments de cadres (1) adjacents et réunis et la surface opposée de l'autre desdits deux éléments de cadres (1) adjacents et réunis.
2. Garniture selon la revendication 1, dans laquelle la hauteur de la portion formant côte ou des portions formant côtes est choisie dans l'intervalle de 20 à 150 % de l'épaisseurde ladite base, la largeur de ladite ou desdites portions formant côtes est choisie à une valeur de 10 à 40 % de la largeur de ladite base, et l'aire de section de ladite ou desdites portions formant côtes est choisie à une valeur de 1 à 200 % de l'aire de section de ladite base.
EP19870107351 1983-12-16 1984-12-17 Elément d'étanchéité pour joints Expired - Lifetime EP0244877B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19870107351 EP0244877B2 (fr) 1983-12-16 1984-12-17 Elément d'étanchéité pour joints

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP192967/83 1983-12-16
JP19296783U JPS60104498U (ja) 1983-12-16 1983-12-16 土木工事用目地材
JP4319584U JPS60159099U (ja) 1984-03-28 1984-03-28 目地シ−ル材
JP43195/84 1984-03-28
EP19870107351 EP0244877B2 (fr) 1983-12-16 1984-12-17 Elément d'étanchéité pour joints

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP84115652.4 Division 1984-12-17

Publications (3)

Publication Number Publication Date
EP0244877A1 EP0244877A1 (fr) 1987-11-11
EP0244877B1 EP0244877B1 (fr) 1990-08-01
EP0244877B2 true EP0244877B2 (fr) 1993-03-31

Family

ID=27230047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870107351 Expired - Lifetime EP0244877B2 (fr) 1983-12-16 1984-12-17 Elément d'étanchéité pour joints

Country Status (1)

Country Link
EP (1) EP0244877B2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109056872A (zh) * 2018-07-27 2018-12-21 天津包博特密封科技有限公司 一种挖泥船无损快装式密封
CN109114333A (zh) * 2018-09-29 2019-01-01 天津包博特密封科技有限公司 一种过渡连接用密封件

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5147705A (en) * 1990-12-06 1992-09-15 Lin Ta Shun Elastic band

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT337764B (de) 1974-12-02 1977-07-25 Semperit Ag Wandverkleidung
DE2513365C3 (de) * 1975-03-26 1982-09-30 Ruhrkohle Ag, 4300 Essen Anordnung zur Abdichtung der Fugen von Stahlbetontübbingausbau
DE2833345C2 (de) * 1978-07-29 1985-03-28 Phoenix Ag, 2100 Hamburg Dichtungsprofil für Tübbings
JPS58187655A (ja) 1982-04-28 1983-11-01 Kajima Corp セグメントの継手
DE3482887D1 (de) 1983-12-16 1990-09-06 Kasei Co C I Verbindungsdichtung.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109056872A (zh) * 2018-07-27 2018-12-21 天津包博特密封科技有限公司 一种挖泥船无损快装式密封
CN109114333A (zh) * 2018-09-29 2019-01-01 天津包博特密封科技有限公司 一种过渡连接用密封件

Also Published As

Publication number Publication date
EP0244877B1 (fr) 1990-08-01
EP0244877A1 (fr) 1987-11-11

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