EP2386396A3 - Method for manufacturing pre-tensioned concrete construction elements, in particular concrete railway sleepers using a forming bed - Google Patents

Method for manufacturing pre-tensioned concrete construction elements, in particular concrete railway sleepers using a forming bed Download PDF

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Publication number
EP2386396A3
EP2386396A3 EP11165751.6A EP11165751A EP2386396A3 EP 2386396 A3 EP2386396 A3 EP 2386396A3 EP 11165751 A EP11165751 A EP 11165751A EP 2386396 A3 EP2386396 A3 EP 2386396A3
Authority
EP
European Patent Office
Prior art keywords
mold
bed
molds
concrete
construction elements
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.)
Granted
Application number
EP11165751.6A
Other languages
German (de)
French (fr)
Other versions
EP2386396A2 (en
EP2386396B1 (en
Inventor
Ralf Kortmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leonhard Moll Betonwerke & Co KG GmbH
Original Assignee
Leonhard Moll Betonwerke & Co KG GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Leonhard Moll Betonwerke & Co KG GmbH filed Critical Leonhard Moll Betonwerke & Co KG GmbH
Publication of EP2386396A2 publication Critical patent/EP2386396A2/en
Publication of EP2386396A3 publication Critical patent/EP2386396A3/en
Application granted granted Critical
Publication of EP2386396B1 publication Critical patent/EP2386396B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/26Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
    • B28B7/266Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other for making oblong objects, e.g. girders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements 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
    • B28B23/04Arrangements 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
    • B28B23/06Arrangements 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Herstellung von vorgespannten Betonkonstruktionselementen, insbesondere Betoneisenbahnschwellen mittels Formbett, welches Bewehrungsstähle aufnimmt, wobei in einer Linie eine Vielzahl von Formen hintereinander angeordnet sind und die Bewehrungsstähle über die gesamte Linienlänge eingezogen und gespannt und die Formen mit Beton gefüllt werden, weiterhin die Formen in Formengruppen ausgeführt sind und seitliche Verschlussteile besitzen, wobei weiterhin eine Formentrennung an einem Ende des Formenbettes erfolgt. Erfindungsgemäß enthält eine Formengruppe mehrere Formen, welche quer zur Linie angeordnet sind, wobei an jeder Form oder Formengruppe Mittel zur Schienenverfahrbarkeit ausgebildet sind. Nach dem Abtrennen der ersten Formengruppe wird diese aus dem Spannbett entnommen und mittels der Schienenverfahrbarkeit in einen zentralen Abschnitt zum Ausschalen und zur Formenbehandlung verbracht. Nach dem Ausschalen wird die jeweilige Formengruppe gereinigt und zum erneuten Einsatz vorbereitet, wobei diese Schritte räumlich im Bereich des zentralen Abschnittes durch geführt werden.The invention relates to a method for the production of prestressed concrete construction elements, in particular concrete railroad sleepers by means of form bed, which receives reinforcing steels, wherein in a line a plurality of shapes are arranged one behind the other and the reinforcing steels fed and tensioned over the entire line length and the molds are filled with concrete, continue the molds are executed in mold groups and have lateral closure parts, wherein further mold separation takes place at one end of the mold bed. According to the invention, a mold group includes a plurality of molds which are arranged transversely to the line, wherein means for rail mobility are formed on each mold or mold group. After separation of the first mold group, this is removed from the clamping bed and spent by rail mobility in a central section for stripping and mold treatment. After stripping the respective mold group is cleaned and prepared for re-use, these steps are carried out spatially in the region of the central portion through.

EP11165751.6A 2010-05-11 2011-05-11 Method for manufacturing pre-tensioned concrete construction elements, in particular concrete railway sleepers using a forming bed Active EP2386396B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010020161 DE102010020161A1 (en) 2010-05-11 2010-05-11 Process for the production of prestressed concrete construction elements, in particular concrete railway sleepers by means of a form bed

Publications (3)

Publication Number Publication Date
EP2386396A2 EP2386396A2 (en) 2011-11-16
EP2386396A3 true EP2386396A3 (en) 2014-02-26
EP2386396B1 EP2386396B1 (en) 2016-08-10

Family

ID=44454102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11165751.6A Active EP2386396B1 (en) 2010-05-11 2011-05-11 Method for manufacturing pre-tensioned concrete construction elements, in particular concrete railway sleepers using a forming bed

Country Status (3)

Country Link
EP (1) EP2386396B1 (en)
DE (1) DE102010020161A1 (en)
PL (1) PL2386396T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552152A (en) * 2013-11-07 2014-02-05 安徽省巢湖铸造厂有限责任公司 Production method of rail sleeper for bridge

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB572385A (en) * 1943-04-08 1945-10-05 Dowsett Engineering Constructi Improvements in the production of pre-stressed reinforced concrete sleepers and similar beams
GB637185A (en) * 1947-04-24 1950-05-17 Dowsett Engineering Constructi Improvements in the production of pre-stressed reinforced concrete sleepers and similar beams
FR2352647A1 (en) * 1976-05-25 1977-12-23 Dow Mac Concrete Ltd Concrete railway sleeper casting plant - moulds raised for insertion of stressing wires, and passed down line
DE2818088A1 (en) * 1977-04-29 1978-11-09 A Betong Ab METHOD FOR PRODUCING PRELOADED CONSTRUCTION ELEMENTS IN A LONG FORM BED
DE2820039A1 (en) * 1977-05-23 1978-12-14 Leitl Werke Bauhuette Plant for making prestressed concrete beam sections - fills moulds and removes as strings on pallet supports before dividing into required lengths
WO1985004362A1 (en) * 1984-04-02 1985-10-10 Oy Partek Ab A method of and an apparatus for producing a prestressed, continuous concrete product
EP0289017A1 (en) * 1987-04-29 1988-11-02 S.C.A.C. SOCIETA CEMENTI ARMATI CENTRIFUGATI S.p.A. Plant to manufacture elongated elements of prestressed reinforced concrete

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB599619A (en) * 1945-02-08 1948-03-17 Alltools Ltd Improvements in apparatus for the manufacture of prefabricated building units
US3556049A (en) * 1968-04-16 1971-01-19 Little Inc A Cleaning and oiling system for molding apparatus
ATE90906T1 (en) * 1984-03-16 1993-07-15 Air Products And Chemicals Pur MOLD RELEASE AGENT AND PROCESS PERFORMABLE WITH THEM FOR THE MANUFACTURE OF ARTICLES FROM POLYURETHANE FOAM.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB572385A (en) * 1943-04-08 1945-10-05 Dowsett Engineering Constructi Improvements in the production of pre-stressed reinforced concrete sleepers and similar beams
GB637185A (en) * 1947-04-24 1950-05-17 Dowsett Engineering Constructi Improvements in the production of pre-stressed reinforced concrete sleepers and similar beams
FR2352647A1 (en) * 1976-05-25 1977-12-23 Dow Mac Concrete Ltd Concrete railway sleeper casting plant - moulds raised for insertion of stressing wires, and passed down line
DE2818088A1 (en) * 1977-04-29 1978-11-09 A Betong Ab METHOD FOR PRODUCING PRELOADED CONSTRUCTION ELEMENTS IN A LONG FORM BED
DE2820039A1 (en) * 1977-05-23 1978-12-14 Leitl Werke Bauhuette Plant for making prestressed concrete beam sections - fills moulds and removes as strings on pallet supports before dividing into required lengths
WO1985004362A1 (en) * 1984-04-02 1985-10-10 Oy Partek Ab A method of and an apparatus for producing a prestressed, continuous concrete product
EP0289017A1 (en) * 1987-04-29 1988-11-02 S.C.A.C. SOCIETA CEMENTI ARMATI CENTRIFUGATI S.p.A. Plant to manufacture elongated elements of prestressed reinforced concrete

Also Published As

Publication number Publication date
DE102010020161A1 (en) 2011-11-17
EP2386396A2 (en) 2011-11-16
PL2386396T3 (en) 2017-03-31
EP2386396B1 (en) 2016-08-10

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