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Beams

Prestressed beam

In the prefabrication of prestressed beams we use concrete of at least class C50/60. Y1860 steel tendons and reinforcement steel are usually used for prestressed elements. Thanks to the tensioned tendons, prestressed beams have greater strength, so the number of elements in the structure can be reduced thanks to increased maximum span. The length of these elements can reach up to 30 m. Prestressed beams are most commonly designed as elements that are approx. 2 m high and 1 m wide. The typical depth of support on shelves is 15 to 25 cm

Use

→ Floor beams
→ Roof beams

GRADE OF CONCRETE
Concrete grade min. C50/60, reinforcement steel AIIIN, prestressing steel Y1860 S7
SPEED
Fast work on the construction site
QUALITY
High quality elements - three moulded surfaces and bevelled edges.
ELIMINATION OF WORK
Elimination of formwork and reinforcement work at height
ACCESSORIES
Built-in transport handles and accessories for connecting to the structure

TECHNICAL DETAILS

Production process of Prestressed beam

The beams are manufactured in specially prepared moulds with various cross-sections. The prestressed elements has tendons located at the bottom of the cross-section to balance the loads acting from above. After the structural reinforcement has been completed and the mould has been prepared, the tendons are pulled from one retaining block to another and tensioned on them. The tensioning of the tendons (strings) is done using dedicated tensioning presses before concreting. After achieving the appropriate concrete strength, the tension is released, transferring the forces to the concrete.

Production capabilities of Prestressed beam

We offer beams in any range of cross-sectional dimensions. The ends of the elements can be shaped with 'notches' to transfer greater transverse forces. Typical cross-sections of rectangular beams are rectangular, L-shaped, and inverted T-shaped.

Design capabilities of Prestressed beam

Transport of Prestressed beam

Elements are separated from each other by special spacers in the form of edge beams or wooden spacers. Beams should be carefully laid next to each other. In the case of long beams, it may be necessary to use specialist equipment - trailers with adjustable length, the so-called stretch trailers.

Installation of Prestressed beam

Depending on the type of beams, installation may be done by placing the beam on reinforcement bars or using supports — positioning them appropriately and later pouring the connection with the ceiling, for example.

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TECHNICAL DETAILS

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Od ponad 30 lat specjalizujemy się w produkcji elementów prefabrykowanych dla budownictwa: od mieszkaniowego poprzez obiekty użyteczności publicznej i przemysłowe, po skomplikowane elementy konstrukcji inżynieryjnych, drogowych, mostowych i hydrotechnicznych. Naszym celem jest produkcja najwyższej jakości materiałów budowlanych z betonu, w tym prefabrykatów nietypowych, wykonywanych na specjalne zamówienia dla firm i dla odbiorców indywidualnych, niezależnie od ich rodzaju i wielkości inwestycji.

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