established in 1955 in dunaújváros produce 60.000 m3 of concrete per year
DESCRIPTION
Ferrobeton Zrt. ’s fields of action Design: Construction plan, shopdrawings, 3D modelling, statical calculations Production: Structural products, railway elements, housing, road elements, electric poles Transport: By road or railways Installation:TRANSCRIPT
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Introducing Ferrobeton Zrt. Hungary’s biggest prefabricator company
Established in 1955 in DunaújvárosProduce 60.000 m3 of concrete per year
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FERROBETON is the member of the CRH Group and the middle-east european center of CRH Structural
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Ferrobeton Zrt.’s fields of action
Design:Construction plan, shopdrawings, 3D modelling, statical calculations
Production:Structural products, railway elements, housing, road elements, electric poles
Transport: By road or railways
Installation:
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- Possible to use higher quality of materials like C60/75 or higher- Controlled and monitored production, consistant quality- Independent from weather conditions- More precise production of reinforcement and concrete shape- Can be pre-scheduled for weeks, flexible in ordering
Basic about prefabricating concrete
Advantages Disdvantages
- Sometimes difficult to transport to site- Shape is often limited by the formwork capacity- Creating load-bearing joints are complicated and expensive- Unit cost is higher
Summary and worth to use
Recommended to use in complex structures where lots of same elements are repeatedRecommended to use to reduce in-situ concrete needs of large projectsRecommended to use to decrease construction time
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Main projects of and their specifications
HANKOOK TYRE Factory 2006-2013 3 phases of 300.000 m2 total production areaNormal frame structure, one and 3 storey
GREEN HOUSE Building 2011-2012 3+7 storey office building with 18.000 m2 for officesCombination of columns, beams and hollowcore
GROUPAMA Football Stadium 2013 Stadium for more than 22.000 visitorsCombination of precast, monolitic and steel
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HANKOOK TYRE Factory, Rácalmás 1st phase:
year 2006-2007
- Production area: 100.000 m2- Volume of precast structure: 7540 m3- Max. span of concrete beam: 26 m- Part of the roof structure is steel
2nd phase:
year 2009-2010
- Production area: 70.000 m2- Volume of precast structure: 5955 m3- Max. span of concrete beam: 32 m- No steel roof structure anymore
3rd phase:
year 2013-2014
- Production area: 100.000 m2- Volume of precast structure: 11385 m3- Max. span of concrete beam: 38,4 m- No steel roof structure anymore
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HANKOOK TYRE Factory, Rácalmás
Structural description:- Foundation is solved with piling and in-situ base blocks- Column fixation is by precast rounded or doubled sockets
being concreted into the monolitic base blocks- Vertical bearing and stability by retangular columns with
the size of 50x50cm, longest column is 18,0m- Horizontal bearing by prestressed longitudinal I shaped
main beams and crossing secondary beams with T and I sections, longest beam is 38,40m
- Main groundfloor support is solved by TT floor panels above tunnels (calculated live load is 4 tons/m2)
The frame structure
Specification: the longest beam on roof has a span of 38,40 meters
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Special multi-storey structural solution with precast elements
Structural description:- 3-storey building with the need of bearing 3 tons/m2 load- Column fixation is by precast rounded or doubled sockets
being concreted into the monolitic base blocks- Vertical bearing by retangular columns with the size of
60x60cm, longest column here is 21,0m (in one piece)- Horizontal bearing by beam grid in two direction, with
upside-down T shaped prestressed main beams and retangular secondary beams, longest beam is 12,0m
- 20cm floor plate is made with prestressed filigran panels with the thickness of 8cm and 12cm upper screed, max. span is 3,5m with no support
Specification: the highest column produced in one piece is 25,2 meters long
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More construction pictures
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GREEN HOUSE Office building, Budapest
Conditions to be known:- The erection time was scheduled to
winter time- The construction site was narrow, the
location is in the middle of the Capital- Only tower cranes were possible to use- 3 weeks was given to complete a floor- The span were between 4,50 and
13,2m- Only a few bracing cores were possible- There are 3 levels for parking in the
cellar as monolitic- There are 7 levels up for offices done as
precast
SPECIFICATIONS:- 7 levels of precast flooring- Octagonal shaped columns- Delta-beam for floor support- No column in one corner
Story: In Hungary almost all the office buildings are usually built with monolitic concrete structure sometimes combined with masonry. SKANSKA, a nord-european company insisted on that the structure has to be made by precast concrete elements to help FERROBETON completing this project.
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GREEN HOUSE Office building, Budapest
- Usual sizes are 40/50 and 60/60cm- Most columns are 2-level high- All fixation is screwed by shoes- Beams are supported by consoles- Lightning protection is built-in- Beam ends are fixed with bolts- Some columns needed as circular - These were made as octagonal- Small, one level columns are 30/30- Weights were limited according to the capacity of tower cranes
Columns
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GREEN HOUSE Office building, Budapest
- Side beams are retangular or L-shaped concrete beams- Inner floor beams are Delta-beams- Beams are supported by consoles- Beam ends are fixed with bolts- Weights were limited according to the capacity of tower cranes
Floor beams
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GREEN HOUSE Office building, Budapest
- Long elements are FF 320 type- Short elements are FF 200 type- At bracing cores we used filigran floor plates- Floor elements are collaborating with 8cm of in-situ screed- Weights were limited according to the capacity of tower cranes
Floor beams
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GREEN HOUSE Office building, Budapest More construction
pictures