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1. WO2017144941 - ELECTRICALLY ISOLATED AND CORROSION-RESISTANT MICROPILE OR TIE

Publication Number WO/2017/144941
Publication Date 31.08.2017
International Application No. PCT/IB2016/050942
International Filing Date 22.02.2016
IPC
E02D 5/74 2006.01
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
5Bulkheads, piles, or other structural elements specially adapted to foundation engineering
74Means for anchoring structural elements or bulkheads
E02D 31/06 2006.01
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
31Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
06against corrosion by soil or water
CPC
E02D 31/06
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
31Protective arrangements for foundations or foundation structures
06against corrosion by soil or water
E02D 5/74
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
5Bulkheads, piles, or other structural elements specially adapted to foundation engineering
74Means for anchoring structural elements or bulkheads
Applicants
  • ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL) [CH]/[CH]
Inventors
  • REZZONICO, Giancarlo
  • MUTTONI, Aurelio
  • LURATI, Franco
  • FERNANDEZ RUIZ, Miguel
Agents
  • GANGUILLET, Cyril
  • DORSCHNER, David
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ELECTRICALLY ISOLATED AND CORROSION-RESISTANT MICROPILE OR TIE
(FR) MICROPIEU OU TIRANT ÉLECTRIQUEMENT ISOLÉ ET RÉSISTANT À LA CORROSION
Abstract
(EN)
The present invention relates to a micropile or tie (10) for connecting a structure (5) to a soil (2), the micropile or tie comprising: - at least one linear metallic element (11), - at least one external corrosion-protective duct (14), inside which is positioned the linear metallic element (11), said external duct being filled with a hardening material, - a head element (20) threadly connected to an upper end (11a) of the linear metallic element (11), wherein the head element (20) is surrounded by a cover (27, 28) for protection against corrosion, said cover being sealed to the external duct (14) and being filled with a hardening material.
(FR)
La présente invention concerne un micropieu ou un tirant pour joindre une structure (5) à un sol (2), le micropieu ou tirant comprenant : - au moins un élément métallique linéaire (11), - au moins un conduit anticorrosion externe (14) à l'intérieur duquel se trouve l'élément métallique linéaire (11), ledit conduit externe étant rempli d'un matériau de durcissement; - un élément de tête (20) relié par filetage à une extrémité supérieure (11a) de l'élément métallique linéaire (11), dans lequel l'élément de tête (20) est entouré d'un cache (27, 28) pour la protection contre la corrosion, ledit cache étant fixé hermétiquement au conduit externe (14) et étant rempli d'un matériau de durcissement.
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