EP0932728B1 - Joint d'etancheite pour palplanches - Google Patents
Joint d'etancheite pour palplanches Download PDFInfo
- Publication number
- EP0932728B1 EP0932728B1 EP97943893A EP97943893A EP0932728B1 EP 0932728 B1 EP0932728 B1 EP 0932728B1 EP 97943893 A EP97943893 A EP 97943893A EP 97943893 A EP97943893 A EP 97943893A EP 0932728 B1 EP0932728 B1 EP 0932728B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- product
- paraffinic
- products
- sheet piles
- sealing
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/14—Sealing joints between adjacent sheet piles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/935—Seal made of a particular material
Definitions
- the present invention relates to a seal for sheet piles.
- Sheet piles are metal sections with more or less geometries less complex (for example Z, U, flat sheet piles or box assemblies), which are assembled to form walls continuous called curtains. Sheet pile assemblies are used more especially during excavation work, construction of dams, ponds water retention, containment of contaminated land etc., to retain the soil and to some extent also water.
- the purpose of the present invention is to provide a product for rendering waterproof sheet pile locks, which is both safe from the point of view environment and which withstands stress well during interlocking.
- This goal is achieved by the use of a paraffinic product to make waterproof sheet pile joints.
- paraffinic product is advantageous because this product is inert and does not release harmful components into the environment.
- paraffinic products in the manufacture of seals sealing for sheet pile locks offers several advantages by compared to the use of bitumen-based products.
- Paraffinic products have a higher lubricity than bituminous products, i.e. that sheet piles including a joint in products paraffinics are generally easier to engage: the force required to pair two sealed sheet piles with paraffinic product is less than that which is necessary to combine sealed sheet piles with a product bituminous.
- seals in paraffinic products are not degraded by oils mineral unlike seals in bituminous products.
- the resistance of joints in petroleum and / or petroleum paraffinic products is clearly higher than that of joints in bituminous products.
- paraffinic products The application temperature of paraffinic products is clearly lower than that of bitumen products. Indeed, it suffices to heat the products paraffinic at temperatures below 140 ° C while the products bituminous must be heated to about 200 ° C. At these temperatures, the bituminous products tend to give off unpleasant odors and a overheating can also produce harmful fumes.
- bituminous product seals must be removed blowtorch, while the paraffin seals are completely removed simply by scraping and possibly using a solvent.
- paraffinic products Another advantage of paraffinic products is that they remain homogeneous even at high temperatures. In the case of bitumen-based products, sometimes observes a local stiffening of the joints in bituminous products which is due to inhomogeneities. These stiffenings can lead to difficulties threading of sheet piles. In such cases, a slight heating must be practiced of the recalcitrant zone in order to facilitate the twinning of sheet piles.
- seals made of paraffinic products can be colored in the mass by adding a dye or pigments colored with melted products.
- the seal in paraffinic products can be applied in the factory or on the site before the sheet piles are engaged.
- the paraffinic products usable for sealing sheet pile locks have a point drop between 100 and 140 ° C measured according to ISO 2176 with a Mettler FP5 / 53 device.
- the paraffinic products have a cone penetration between 20 and 50 mm / 10 determined according to method ASTM D937 / 58 or equivalent eg NF T60-119.
- the paraffinic products usable for sealing sheet pile locks have a resistance to hydrostatic pressure of at least 0.12 bar / mm, preferably at least 0.22 bar / mm.
- a sample circular of known thickness is introduced into an oedometer and screwed into a metal sleeve. It is subjected to a hydrostatic pressure between 0 and 3.5 bar. The pressure is measured by a pressure gauge. The test stops at ruin mechanical sample.
- the paraffinic product comprises at least 50% paraffin waxes.
- Paraffinic products usable for sealing locks sheet piles may also include mineral oils, agents adhesion, antioxidants and / or other usual additives.
- the strength of the seals in the locks during the engagement of the sheet piling was examined on a conventional twinning line.
- the purpose of tests was to study the adhesion and the lubricating effect of the products as well as the possible jamming problems.
- the products were heated until they were liquid and were poured into the locks to form a joint with a thickness between 4 and 8 mm.
- the following table summarizes the important characteristics relating to the application of the products, in particular the melting temperature, the viscosity of the molten product, the fumes emitted by the products during reheating and an assessment of the quality of the seal applied in the locks.
- Behavior of hot products Product Melting temperature Viscosity fumes Appreciation Beltan 160-180 fairly fluid averages pretty good Soprema 160-180 fairly fluid averages pretty good Biguma 180-220 quite pasty important pretty bad paraffin 120-160 fluid missing good
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Sealing Material Composition (AREA)
- Materials For Medical Uses (AREA)
- Steroid Compounds (AREA)
- Laminated Bodies (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Gasket Seals (AREA)
- Packaging Of Special Articles (AREA)
- Wrappers (AREA)
Description
| Produits testés | |
| Produit | Composition |
| Beltan | bitume + graisse |
| Soprema | bitume élastoplastique |
| Biguma | bitume élastomère |
| Paraf | paraffine |
- l'application des produits dans les serrures de palplanches
- les performances physiques
- le comportement vis-à-vis de différents produits chimiques
| Application des différents produits | ||||||||
| Produit | T° de mise en oeuvre (°C) | Viscosité du produit à l'application | Aptitude suivant l'état de la surface de l'acier lors de l'application | Comportement au stockage | ||||
| -10°C | 25°C | 70°C | humide | sous la pluie | U.V.: | |||
| Beltan | 170 | liquide | OK | OK | OK | OK | OK | OK |
| Soprema | 200 | assez liquide | OK | OK | OK | OK | OK | OK |
| Biguma | 170 | liquide | OK | OK | OK | OK | OK | OK |
| Paraf | 120 | très liquide | OK | OK | OK | OK | OK | OK |
| Tests physico-chimiques | |||||||||
| Produit | Résistance à la pression (bar/mm) | Consistance du produit solidifié | Tenue en position verticale chauffée | Résistance chimique | |||||
| T° max. avant la ruine | pH 2 | pH 12 | eau de mer | huile | pétrole | essence | |||
| Beltan | 0,08 | mi-dur | 70 | B | B | B | MO | MA | MA |
| Soprema | >0.22 | dur, élastique | 80 | B | B | B | MO | MA | MA |
| Biguma | 0,19 | mi-dur, élastique | 80 | B | B | B | MO | MA | MA |
| Paraf | 0,22 | assez tendre | 70 | B | B | B | B | MO | MO |
| B= bon , MO = moyen, MA = mauvais |
| Rejets toxiques des joints de palplanches | |||
| Produit | Pb (µg/l) | PAH (µg/l) | BTEX (µg/l) |
| Beltan | <1 | 0,4 | <0,1 |
| Soprema | <1 | 0,3 | <0,1 |
| Biguma | <1 | <0,1 | <0,1 |
| Paraf | <1 | <0,1 | <=0,1 |
| limites autorisées | 40 | 0,2 | 30 |
| Comportement des produits à chaud | ||||
| Produit | T° de fusion | Viscosité | Fumées | Appréciation |
| Beltan | 160-180 | assez fluide | moyennes | assez bonne |
| Soprema | 160-180 | assez fluide | moyennes | assez bonne |
| Biguma | 180-220 | assez pâteuse | importantes | assez mauvaise |
| Paraf | 120-160 | fluide | absentes | bonne |
- les trois premiers mètres de chaque palplanche ont été enclenchés en marche manuelle, c.-à-d. à vitesse lente de façon à pouvoir apprécier l'adhérence du produit dans la serrure;
- les trois derniers mètres ont été enclenchés en marche automatique à 0,8 m/s pour pouvoir mesurer la force nécessaire à l'assemblage et par conséquent évaluer le degré de lubrification de chaque produit.
| Aspect des joints après enclenchement | ||||
| Produit | état du joint | remplissage | pression | appréciation |
| Beltan | cisaillé | bon | 120 | bonne |
| Biguma | cisaillé | bon | 120 | bonne |
| Soprema | déchirure | bon | >170 | mauvaise |
| Paraf | raclé | bon | 120 | bonne |
Claims (7)
- Utilisation d'un produit paraffinique pour rendre étanches des joints de palplanches.
- Utilisation selon la revendication 1 caractérisée en ce que le produit paraffinique présente un point de goutte compris entre 100 et 140°C.
- Utilisation selon l'une quelconque des revendications précédentes caractérisée en ce que le produit paraffinique présente une pénétration d'un cône compris entre 20 et 50 mm/10.
- Utilisation selon l'une quelconque des revendications précédentes caractérisée en ce que le produit paraffinique présente une résistance à la pression hydrostatique d'au moins 0,12 bar/mm de préférence d'au moins 0,22 bar.
- Utilisation selon l'une quelconque des revendications précédentes caractérisée en ce que le produit paraffinique comprend au moins 50% de cires de paraffines.
- Utilisation selon l'une quelconque des revendications précédentes caractérisée en ce que le produit paraffinique comprend des huiles de paraffine, des huiles minérales, des agents d'adhérence, des antioxydants et/ou d'autres additifs usuels.
- Utilisation selon l'une quelconque des revendications précédentes caractérisée en ce que le produit paraffinique comprend en outre des colorants ou des pigments colorés.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU88827A LU88827A1 (fr) | 1996-10-16 | 1996-10-16 | Joint d'étanchéité pour palplanches |
| LU88827 | 1996-10-16 | ||
| PCT/EP1997/005225 WO1998016691A1 (fr) | 1996-10-16 | 1997-09-24 | Joint d'etancheite pour palplanches |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0932728A1 EP0932728A1 (fr) | 1999-08-04 |
| EP0932728B1 true EP0932728B1 (fr) | 2002-03-06 |
Family
ID=19731630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97943893A Expired - Lifetime EP0932728B1 (fr) | 1996-10-16 | 1997-09-24 | Joint d'etancheite pour palplanches |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6189890B1 (fr) |
| EP (1) | EP0932728B1 (fr) |
| AT (1) | ATE214118T1 (fr) |
| AU (1) | AU4556997A (fr) |
| CA (1) | CA2268352C (fr) |
| DE (1) | DE69710906T2 (fr) |
| LU (1) | LU88827A1 (fr) |
| NO (1) | NO319287B1 (fr) |
| PL (1) | PL187535B1 (fr) |
| WO (1) | WO1998016691A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998002441A2 (fr) | 1996-07-12 | 1998-01-22 | Ariad Pharmaceuticals, Inc. | Elements et procedes pour traiter ou prevenir les mycoses pathogènes |
| US7153061B2 (en) * | 2000-12-04 | 2006-12-26 | Battelle Energy Alliance, Llc | Method of in situ retrieval of contaminants or other substances using a barrier system and leaching solutions |
| US7160061B2 (en) * | 2000-12-04 | 2007-01-09 | Battelle Energy Alliance, Llc | Subterranean barriers including at least one weld |
| US6758634B2 (en) * | 2001-02-06 | 2004-07-06 | Bechtel Bwxt Idaho, Llc | Subsurface materials management and containment system |
| US7259963B2 (en) * | 2004-12-29 | 2007-08-21 | American Power Conversion Corp. | Rack height cooling |
| US8506668B2 (en) | 2009-03-30 | 2013-08-13 | Baldwin Filters, Inc. | Fluted filter with axial seal |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB454306A (en) * | 1935-03-28 | 1936-09-28 | Walter Villa Gilbert | Improvements in means for preventing corrosion |
| BE738437A (fr) * | 1969-09-04 | 1970-02-16 | ||
| US3784441A (en) * | 1971-07-12 | 1974-01-08 | Kaempen Industries | Composite structure |
| US4366284A (en) * | 1980-10-17 | 1982-12-28 | Hayakawa Rubber Company Limited | Aqueously-swelling water stopper and a process of stopping water thereby |
| US4670089A (en) * | 1986-02-27 | 1987-06-02 | Dixon Industries Corporation | Method of bonding polytetrafluoro-ethylene composition to metal substrates |
| DE3633575A1 (de) * | 1986-10-02 | 1988-04-07 | Niederberg Chemie | Doppellagige abdichtung fuer schlitzwand |
| FR2634505B1 (fr) * | 1988-07-22 | 1992-04-24 | Rhone Poulenc Sa | Procede pour rendre etanches des rideaux de palplanches |
| LU88397A1 (fr) * | 1993-08-27 | 1995-03-01 | Profilarbed Sa | Procédé pour rendre étanches des assemblages de palplanches, dispositif pour la mise en place du matériau d'étanchement et joint étanche ainsi réalisé |
| US5938210A (en) * | 1997-09-11 | 1999-08-17 | Schatzle; Charles F. | Coated gasket material and method for making the same |
-
1996
- 1996-10-16 LU LU88827A patent/LU88827A1/fr unknown
-
1997
- 1997-09-24 DE DE69710906T patent/DE69710906T2/de not_active Expired - Lifetime
- 1997-09-24 PL PL97332900A patent/PL187535B1/pl unknown
- 1997-09-24 CA CA002268352A patent/CA2268352C/fr not_active Expired - Fee Related
- 1997-09-24 WO PCT/EP1997/005225 patent/WO1998016691A1/fr not_active Ceased
- 1997-09-24 AU AU45569/97A patent/AU4556997A/en not_active Abandoned
- 1997-09-24 EP EP97943893A patent/EP0932728B1/fr not_active Expired - Lifetime
- 1997-09-24 US US09/284,450 patent/US6189890B1/en not_active Expired - Lifetime
- 1997-09-24 AT AT97943893T patent/ATE214118T1/de not_active IP Right Cessation
-
1999
- 1999-04-16 NO NO19991850A patent/NO319287B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO991850D0 (no) | 1999-04-16 |
| PL332900A1 (en) | 1999-10-25 |
| NO991850L (no) | 1999-04-16 |
| ATE214118T1 (de) | 2002-03-15 |
| CA2268352C (fr) | 2007-03-27 |
| US6189890B1 (en) | 2001-02-20 |
| NO319287B1 (no) | 2005-07-11 |
| DE69710906T2 (de) | 2002-09-19 |
| PL187535B1 (pl) | 2004-07-30 |
| LU88827A1 (fr) | 1998-04-16 |
| EP0932728A1 (fr) | 1999-08-04 |
| AU4556997A (en) | 1998-05-11 |
| WO1998016691A1 (fr) | 1998-04-23 |
| CA2268352A1 (fr) | 1998-04-23 |
| DE69710906D1 (de) | 2002-04-11 |
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