EP0624697B1 - Spannstahlbewehrung in Spannbetonschwellen mit Vorspannung mit nachträglichem Verbund - Google Patents
Spannstahlbewehrung in Spannbetonschwellen mit Vorspannung mit nachträglichem Verbund 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)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
Claims (1)
- Spannbetonschwelle mit Vorspannung mit nachträglichem Verbund, in der eine aus zwei kreuzweise verlegten haarnadelförmigen Spannstäben bestehende Spannstahlbewehrung nach Erhärtung des Betons in vorgefertigte Kanäle eingeführt und gespannt wird,
dadurch gekennzeichnet, daß für die Spannstahlbewehrung Spannstäbe aus profiliertem kaltgezogenem Stahl verwendet werden, die durch einen nachgeschalteten Walzgang in der Mantelfläche mit muldenförmigen Vertiefungen versehen sind.
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 (de) | 1994-11-17 |
EP0624697B1 true EP0624697B1 (de) | 2000-07-19 |
Family
ID=6487606
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93113953A Withdrawn EP0625414A1 (de) | 1993-05-08 | 1993-09-01 | Verfahren zur Schlupfminderung in einem schwellenartigen dauerschwingbelasteten Betonfertigteil mit Vorspannung mit nachträglichem Verbund und Formstab zur Durchführung des Verfahrens |
EP94103556A Expired - Lifetime EP0624697B1 (de) | 1993-05-08 | 1994-03-09 | Spannstahlbewehrung in Spannbetonschwellen mit Vorspannung mit nachträglichem Verbund |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93113953A Withdrawn EP0625414A1 (de) | 1993-05-08 | 1993-09-01 | Verfahren zur Schlupfminderung in einem schwellenartigen dauerschwingbelasteten Betonfertigteil mit Vorspannung mit nachträglichem Verbund und Formstab zur Durchführung des Verfahrens |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP0625414A1 (de) |
AT (1) | ATE194862T1 (de) |
DE (1) | DE59409453D1 (de) |
ES (2) | ES1026242Y (de) |
PT (1) | PT624697E (de) |
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 |
---|---|---|---|---|
BE445943A (de) * | ||||
BE479679A (de) * | ||||
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 (de) * | 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 (de) * | 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 |
AU587442B2 (en) * | 1985-04-08 | 1989-08-17 | Sumitomo Electric Industries, Ltd. | Prestressing steel material |
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/de not_active Withdrawn
- 1993-11-04 ES ES9302885U patent/ES1026242Y/es not_active Expired - Fee Related
-
1994
- 1994-03-09 ES ES94103556T patent/ES2112216T3/es not_active Expired - Lifetime
- 1994-03-09 PT PT94103556T patent/PT624697E/pt unknown
- 1994-03-09 DE DE59409453T patent/DE59409453D1/de not_active Expired - Fee Related
- 1994-03-09 EP EP94103556A patent/EP0624697B1/de not_active Expired - Lifetime
- 1994-03-09 AT AT94103556T patent/ATE194862T1/de not_active IP Right Cessation
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 |
---|---|
DE59409453D1 (de) | 2000-08-24 |
PT624697E (pt) | 2000-12-29 |
ES2112216T1 (es) | 1998-04-01 |
ES2112216T3 (es) | 2000-11-01 |
ATE194862T1 (de) | 2000-08-15 |
EP0624697A1 (de) | 1994-11-17 |
ES1026242U (es) | 1994-04-01 |
EP0625414A1 (de) | 1994-11-23 |
ES1026242Y (es) | 1994-09-01 |
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