CH692361A5 - Tape construction joints for joint work, shrinkage and expansion. - Google Patents
Tape construction joints for joint work, shrinkage and expansion. Download PDFInfo
- Publication number
- CH692361A5 CH692361A5 CH292797A CH292797A CH692361A5 CH 692361 A5 CH692361 A5 CH 692361A5 CH 292797 A CH292797 A CH 292797A CH 292797 A CH292797 A CH 292797A CH 692361 A5 CH692361 A5 CH 692361A5
- Authority
- CH
- Switzerland
- Prior art keywords
- strip
- concrete
- shrinkage
- expansion
- recovery
- Prior art date
Links
Classifications
-
- 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
- E04B1/6806—Waterstops
-
- 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
- E04B1/6812—Compressable seals of solid form
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Description
On connait par le brevet CH 638 855 une bande en mastic plasto-élastique destinée aux reprises de bétonnage dont les quatre faces sont incrustées de gravillon.
Les nombreuses années d'expérience dans la pratique du génie-civil et du bâtiment ont mis en évidence les inconvénients du recouvrement d'une telle bande avec des gravillons:
- comme il n'est pas possible de conditionner les bandes gravillonnées en unité de grande longueur, il est donc nécessaire d'effectuer sur les chantiers un grand nombre de soudures d'assemblage de jonction entre les bandes unitaires;
- chaque surface de soudure est susceptible de présenter un défaut ponctuel d'étanchéité;
- c'est le poids important des gravillons incrustés sur la bande qui limite sa longueur utile lors du conditionnement;
- l'opération industrielle d'incrustation des gravillons à la surface des bandes requiert un nombre élevé de procédures de contrôle si l'on veut garantir ultérieurement l'étanchéité absolue de la reprise de bétonnage.
La présente invention a pour objet de supprimer l'incrustation de gravillon sur une bande en mastic plasto-élastique destinée à toutes les reprises de bétonnage horizontales et verticales.
La bande selon revendication 1 peut être constituée d'un caoutchouc synthétique additionné d'un plastifiant. Elle est revêtue d'un enduit d'adhésion au béton frais. Cet enduit est constitué par un film de polymère hydrophile non gonflant.
La bande selon revendication 2 peut comporter des rainures destinées à améliorer mécaniquement son ancrage dans le béton.
L'invention présente en outre les avantages exclusifs suivants:
- incorporation et ancrage étanche au béton frais de la bande;
- l'opération d'assemblage bout à bout entre éléments de bande s'effectue par simple contact. Elle assure la liaison longitudinale étanche;
- dans le cas de joints de travail le rainurage des bandes assure un meilleur ancrage de la bande au béton;
- le rainurage des bandes dans le cas de joint de retrait et de dilatation assure l'ancrage de la bande à l'élément en mouvement.
La bande selon l'invention est illustrée par les figures suivantes:
Les fig. 1a et 1b sont des vues en perspective des bandes selon les revendications 1 et 2. Les faces 1-2-3-4-6-7-8-9 sont revêtues d'un enduit adhérant au béton frais. La section 5 des bandes sera soudée par contact avec la section homologue de la bande suivante.
Les faces 1-2-3-4 sont lisses, les faces 6-7-8-9 sont rainurées.
Les fig. 2a et 2b sont des vues en perspective des bandes de section rectangulaire, lisse ou rainurée.
Les fig. 3a et 3b sont des vues en perspective des bandes de section carrée, lisse ou rainurée.
Les fig. 4a et 4b sont des vues en perspective de bandes de section triangulaire, lisse ou rainurée.
Les fig. 5a et 5b sont des vues en perspective de bandes de section en losange, lisse ou rainurée.
Les fig. 6a et 6b sont des vues en perspective de bandes de section trapézdidaie, lisse ou rainurée.
Les fig. 7a et 7b sont des vues en perspective de bandes de section circulaire, lisse ou rainurée.
Les fig. 8a et 8b sont des vues en perspective de bandes de section ellipsoïdale, lisse ou rainurée.
Les fig.
9a et 9b sont des vues en perspective de bandes de section résultant de la combinaison de deux ou plusieurs figures précédentes, lisse ou rainurée.
La pose de la bande sur les chantiers est exécutée à titre d'exemple comme suit:
- la pose horizontale est exécutée au cours ou immédiatement après le bétonnage du radier. La bande est incorporée au béton frais à des profondeurs variables selon la positon des armatures;
- la pose verticale est exécutée par fixation préalable de la bande au coffrage du mur.
Known from patent CH 638 855 is a plasto-elastic mastic strip intended for concreting recovery, the four faces of which are encrusted with gravel.
The many years of experience in the practice of civil engineering and building have highlighted the drawbacks of covering such a strip with gravel:
- As it is not possible to condition the gravel strips in a very long unit, it is therefore necessary to carry out on construction sites a large number of welds for joining the junction between the unitary strips;
- each weld surface is likely to present a point leakage fault;
- it is the significant weight of the gravel encrusted on the strip which limits its useful length during packaging;
- the industrial operation of inlaying gravel on the surface of the strips requires a high number of control procedures if we want to guarantee the absolute sealing of the resumption of concreting later.
The object of the present invention is to eliminate the inlaying of gravel on a plasto-elastic mastic strip intended for all occasions of horizontal and vertical concreting.
The strip according to claim 1 may consist of synthetic rubber added with a plasticizer. It is coated with a fresh concrete adhesion coating. This coating consists of a film of non-swelling hydrophilic polymer.
The strip according to claim 2 may have grooves intended to mechanically improve its anchoring in the concrete.
The invention also has the following exclusive advantages:
- incorporation and waterproof anchoring in the fresh concrete of the strip;
- the end-to-end assembly operation between strip elements is carried out by simple contact. It ensures the tight longitudinal connection;
- in the case of working joints grooving of the strips ensures better anchoring of the strip to the concrete;
- the grooving of the bands in the case of a withdrawal and expansion joint ensures the anchoring of the band to the moving element.
The strip according to the invention is illustrated by the following figures:
Figs. 1a and 1b are perspective views of the strips according to claims 1 and 2. The faces 1-2-3-4-6-7-8-9 are coated with a coating adhering to the fresh concrete. Section 5 of the strips will be welded by contact with the homologous section of the next strip.
The 1-2-3-4 faces are smooth, the 6-7-8-9 faces are grooved.
Figs. 2a and 2b are perspective views of the strips of rectangular, smooth or grooved section.
Figs. 3a and 3b are perspective views of the strips of square, smooth or grooved section.
Figs. 4a and 4b are perspective views of strips of triangular, smooth or grooved section.
Figs. 5a and 5b are perspective views of bands of diamond, smooth or grooved section.
Figs. 6a and 6b are perspective views of bands of trapezoidal section, smooth or grooved.
Figs. 7a and 7b are perspective views of bands of circular, smooth or grooved section.
Figs. 8a and 8b are perspective views of bands of ellipsoidal, smooth or grooved section.
Figs.
9a and 9b are perspective views of section strips resulting from the combination of two or more previous figures, smooth or grooved.
The installation of the strip on building sites is carried out by way of example as follows:
- horizontal laying is carried out during or immediately after concreting the raft. The strip is incorporated into fresh concrete at varying depths depending on the position of the reinforcement;
- vertical installation is carried out by prior fixing of the strip to the wall formwork.
Claims (4)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH292797A CH692361A5 (en) | 1997-12-19 | 1997-12-19 | Tape construction joints for joint work, shrinkage and expansion. |
PCT/CH1998/000538 WO1999032736A1 (en) | 1997-12-19 | 1998-12-16 | Cold joint strip for working, contraction and expansion joint |
EP98958761A EP1040234A1 (en) | 1997-12-19 | 1998-12-16 | Cold joint strip for working, contraction and expansion joint |
AU14783/99A AU1478399A (en) | 1997-12-19 | 1998-12-16 | Cold joint strip for working, contraction and expansion joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH292797A CH692361A5 (en) | 1997-12-19 | 1997-12-19 | Tape construction joints for joint work, shrinkage and expansion. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH692361A5 true CH692361A5 (en) | 2002-05-15 |
Family
ID=4244765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH292797A CH692361A5 (en) | 1997-12-19 | 1997-12-19 | Tape construction joints for joint work, shrinkage and expansion. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1040234A1 (en) |
AU (1) | AU1478399A (en) |
CH (1) | CH692361A5 (en) |
WO (1) | WO1999032736A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1145131A (en) * | 1980-04-05 | 1983-04-26 | Hajime Yamaji | Aqueously-swelling water stopper and a process of stopping water thereby |
CH638855A5 (en) | 1980-07-24 | 1983-10-14 | Mastix Sa | Construction joint strip for a working and expansion joint |
JPH07110935B2 (en) * | 1986-05-31 | 1995-11-29 | シーアイ化成株式会社 | Water stop plate |
JP2559643B2 (en) * | 1991-02-20 | 1996-12-04 | 保啓 森 | Water stop plate for concrete structure |
-
1997
- 1997-12-19 CH CH292797A patent/CH692361A5/en not_active IP Right Cessation
-
1998
- 1998-12-16 AU AU14783/99A patent/AU1478399A/en not_active Abandoned
- 1998-12-16 WO PCT/CH1998/000538 patent/WO1999032736A1/en not_active Application Discontinuation
- 1998-12-16 EP EP98958761A patent/EP1040234A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AU1478399A (en) | 1999-07-12 |
WO1999032736A1 (en) | 1999-07-01 |
EP1040234A1 (en) | 2000-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |