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1. WO2002020904 - METHOD FOR TENSIONING MULTIPLE-STRAND CABLES

Publication Number WO/2002/020904
Publication Date 14.03.2002
International Application No. PCT/FR2001/002775
International Filing Date 06.09.2001
Chapter 2 Demand Filed 25.03.2002
IPC
E01D 19/16 2006.01
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
DBRIDGES
19Details of bridges
16Suspension cables; Cable clamps for suspension cables
E04G 21/12 2006.01
EFIXED CONSTRUCTIONS
04BUILDING
GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
21Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
12Mounting of reinforcing inserts; Prestressing
CPC
E01D 19/16
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
DCONSTRUCTION OF BRIDGES, ; ELEVATED ROADWAYS; OR VIADUCTS; ASSEMBLY OF BRIDGES
19Structural or constructional details of bridges
16Suspension cables; Cable clamps for suspension cables ; ; Pre- or post-stressed cables
E04G 21/12
EFIXED CONSTRUCTIONS
04BUILDING
GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
21Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
12Mounting of reinforcing inserts; Prestressing
E04G 21/121
EFIXED CONSTRUCTIONS
04BUILDING
GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
21Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
12Mounting of reinforcing inserts; Prestressing
121Construction of stressing jacks
Applicants
  • MARCHETTI, Michel [FR]/[FR]
Inventors
  • MARCHETTI, Michel
Agents
  • CARON, Gerard
Priority Data
00/1147608.09.2000FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) METHOD FOR TENSIONING MULTIPLE-STRAND CABLES
(FR) PROCEDE DE MISE EN TENSION DE HAUBANS A TORONS MULTIPLES
Abstract
(EN)
The invention concerns a method whereby the strands (13, 13A) are fixed one after another between two cable anchors (A, B) integral with the structure. The method consists: in pulling on one of the ends of a strand (13A) from one (A) of the cable anchors, while the other end is fixed on the other cable anchor (B); continuously testing the tensioning condition of the strand (13A), said condition involving in particular the measured values of the strand tension and of a predetermined parameter. The invention is characterised in that the predetermined parameter is the variation of the distance separating the cable anchors (A, B).
(FR)
Les torons (13, 13A) sont mis en place les uns après les autres entre deux ancrages (A,B) solidaires de l'ouvrage. On tire sur l'une des extrémités d'un toron (13A) depuis l'un (A) des ancrages, alors que l'autre extrémité est fixée sur l'autre ancrage (B); on teste, de façon continue, la condition de fin de mise en tension du toron (13A), cette condition faisant notamment intervenir les valeurs mesurées de la tension du toron et d'un paramètre prédéterminé. Selon l'invention, le paramètre prédéterminé est la variation de la distance séparant les ancrages (A,B).
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