EP0624697B1 - Armature tendue en acier pour traverses en béton précontraint avec ancrage injecté - Google Patents
Armature tendue en acier pour traverses en béton précontraint avec ancrage injecté Download PDFInfo
- Publication number
- EP0624697B1 EP0624697B1 EP94103556A EP94103556A EP0624697B1 EP 0624697 B1 EP0624697 B1 EP 0624697B1 EP 94103556 A EP94103556 A EP 94103556A EP 94103556 A EP94103556 A EP 94103556A EP 0624697 B1 EP0624697 B1 EP 0624697B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel reinforcement
- prestressed concrete
- anchoring
- concrete sleepers
- grouted
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 10
- 239000010959 steel Substances 0.000 title claims abstract description 10
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 8
- 230000002787 reinforcement Effects 0.000 title claims abstract description 6
- 238000004873 anchoring Methods 0.000 title description 3
- 239000004567 concrete Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 241001669679 Eleotris Species 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/046—Post treatment to obtain pre-stressed articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/06—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed for the production of elongated articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
- B28B7/303—Cores; Mandrels adjustable, collapsible, or expanding specially for making undercut recesses or continuous cavities the inner section of which is superior to the section of either of the mouths
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
- E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
- E01B3/34—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement with pre-tensioned armouring or reinforcement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
- E04C3/26—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/10—Ducts
Definitions
- the invention relates to a prestressed concrete threshold, as in The preamble of claim 1 is described.
- the thresholds from economic and manufacturing reasons with two crosswise installed hairpin-shaped curved rods. This means that complex anchoring constructions fall on one End of the finished part gone. You will be there by the Rod arch replaced.
- One with a hairpin bent Tension bars reinforced threshold is for example from DE A 10 58 909 known
- the prestressing rods - because of the small cross-section of the sleepers - with one very small bending radius.
- the small Bending radius limits the number of prestressing steels that can be used on.
- the object of the invention is suitable hairpin-shaped to find bendable reinforcing bars with which one sufficient liability is achievable.
- the object is achieved by the characterizing part of the claim, especially through targeted initiation of a Manufacture of profiled tension bars with cross sections with diameters> 8 mm, with which a production of Prestressed concrete sleepers with subsequent composite under The use of profiled tie rods is only possible.
- FIGS. 1 and 2 show a threshold in longitudinal section (Fig.1) and cross section (Fig.2) with cross-shaped hairpin-shaped reinforcing bars.
- a prestressed concrete sleeper 1 is in the formwork with the help inserted suitable shaped bars with the concrete 2 penetrating tension channels 3 provided in the Hairpin-shaped tie rods 4 made of profiled prestressing steel pulled in after the concrete has hardened and then be excited. Then the tensioning channels with suitable grout.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Reinforcement Elements For Buildings (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Joining Of Building Structures In Genera (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Rod-Shaped Construction Members (AREA)
Claims (1)
- Poutre en béton précontraint post-tendu dans laquelle est introduite et tendue, dans des gorges préfabriquées et après durcissement du béton, une armature de précontrainte en acier constituée de deux tiges en forme d'épingles à cheveux posées selon un schéma en croix,
caractérisée en ce que des barres de précontrainte en acier profilé étiré à froid servent à former l'armature acier, une séquence de laminage ultérieure ayant conféré à la surface du corps desdites barres des creux en forme d'auges.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4315402 | 1993-05-08 | ||
DE4315402 | 1993-05-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0624697A1 EP0624697A1 (fr) | 1994-11-17 |
EP0624697B1 true EP0624697B1 (fr) | 2000-07-19 |
Family
ID=6487606
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93113953A Withdrawn EP0625414A1 (fr) | 1993-05-08 | 1993-09-01 | Procédé pour diminuer le manque d'adhésion dans des traverses ou dans des éléments similaires à haute résistance à la fatigue en béton précontraint avec ancrage injecté et dispositif de fabrication pour la mise en oevre du procédé |
EP94103556A Expired - Lifetime EP0624697B1 (fr) | 1993-05-08 | 1994-03-09 | Armature tendue en acier pour traverses en béton précontraint avec ancrage injecté |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93113953A Withdrawn EP0625414A1 (fr) | 1993-05-08 | 1993-09-01 | Procédé pour diminuer le manque d'adhésion dans des traverses ou dans des éléments similaires à haute résistance à la fatigue en béton précontraint avec ancrage injecté et dispositif de fabrication pour la mise en oevre du procédé |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP0625414A1 (fr) |
AT (1) | ATE194862T1 (fr) |
DE (1) | DE59409453D1 (fr) |
ES (2) | ES1026242Y (fr) |
PT (1) | PT624697E (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018106169U1 (de) | 2018-09-20 | 2018-11-08 | Leonhard Moll Betonwerke Gmbh & Co Kg | Einrichtung zur Stabilisierung der Stirnseiten von Betonfertigteilen |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009006555U1 (de) * | 2009-05-07 | 2009-07-16 | Rail.One Gmbh | Spannbetonschwelle |
MX2014008112A (es) | 2014-07-01 | 2016-01-01 | Bienracon S De Rl De Cv | Durmiente monolítico ultrarresistente de concreto presforzado de forma integral con geometría óptima para vías férreas balastradas. |
CN107858873A (zh) * | 2017-10-31 | 2018-03-30 | 天津银龙预应力材料股份有限公司 | 一种耐用型铁路轨枕 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE479679A (fr) * | ||||
BE445943A (fr) * | ||||
US2535100A (en) * | 1949-01-17 | 1950-12-26 | James A Sourwine | Process for prestressing cement products |
GB682320A (en) * | 1949-02-07 | 1952-11-05 | Armand Blaton | Method of forming passages in concrete beams or the like |
DE880645C (de) * | 1951-07-12 | 1953-06-22 | Wayss & Freytag A G | Verfahren zum Herstellen von Kanaelen in Beton, insbesondere von Kanaelen fuer Vorspannglieder |
DE1084464B (de) * | 1953-09-03 | 1960-06-30 | Moossche Eisenwerke Ag | Bewehrungsdraht oder -stab, insbesondere fuer Spannbeton, sowie Verfahren und Vorrichtung zu seiner Herstellung |
BE566336A (fr) * | 1957-04-20 | |||
DE1058909B (de) * | 1957-11-19 | 1959-06-04 | Werner Karig Dr Ing | Vorrichtung zum Herstellen von Eisenbahnschwellen aus Spannbeton |
CA725390A (en) * | 1960-06-21 | 1966-01-11 | Gillberg Johannes | Method and apparatus for the manufacture of reinforcing bars |
NL135455C (fr) * | 1967-01-03 | |||
AT279124B (de) * | 1968-05-07 | 1970-02-25 | Holzmann Philipp Ag | Verfahren und Hüllrohr zur Herstellung von Spannbetonbauteilen |
DE2717869B2 (de) * | 1977-04-22 | 1979-05-31 | Dyckerhoff & Widmann Ag, 8000 Muenchen | Verfahren zum Aussteifen eines dünnwandigen Hüllrohrs und zum Einfädeln eines Spannglieds in das Hüllrohr |
JPS6076216A (ja) * | 1983-10-04 | 1985-04-30 | Naniwa Seitei Kk | 外周に塑性加工されたスパイラル溝を有する金属棒材の製造方法 |
DE3673050D1 (de) * | 1985-04-08 | 1990-09-06 | Sumitomo Electric Industries | Vorspannstahlkoerper. |
US4726163A (en) * | 1985-06-10 | 1988-02-23 | Jacobs William A | Prestressed plastic bodies and method of making same |
-
1993
- 1993-09-01 EP EP93113953A patent/EP0625414A1/fr not_active Withdrawn
- 1993-11-04 ES ES9302885U patent/ES1026242Y/es not_active Expired - Fee Related
-
1994
- 1994-03-09 DE DE59409453T patent/DE59409453D1/de not_active Expired - Fee Related
- 1994-03-09 AT AT94103556T patent/ATE194862T1/de not_active IP Right Cessation
- 1994-03-09 EP EP94103556A patent/EP0624697B1/fr not_active Expired - Lifetime
- 1994-03-09 PT PT94103556T patent/PT624697E/pt unknown
- 1994-03-09 ES ES94103556T patent/ES2112216T3/es not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018106169U1 (de) | 2018-09-20 | 2018-11-08 | Leonhard Moll Betonwerke Gmbh & Co Kg | Einrichtung zur Stabilisierung der Stirnseiten von Betonfertigteilen |
Also Published As
Publication number | Publication date |
---|---|
PT624697E (pt) | 2000-12-29 |
ES1026242U (es) | 1994-04-01 |
EP0624697A1 (fr) | 1994-11-17 |
DE59409453D1 (de) | 2000-08-24 |
ES2112216T1 (es) | 1998-04-01 |
EP0625414A1 (fr) | 1994-11-23 |
ES2112216T3 (es) | 2000-11-01 |
ATE194862T1 (de) | 2000-08-15 |
ES1026242Y (es) | 1994-09-01 |
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