The principles of this beam are similar to those of the regular duct beam. To meet the visual requirements of the road design, these beams are curved horizontally. The smooth lines result in an attractive appearance.
Points of attention include radius and weight. Too small a radius may result in the risk of the duct beam tipping over, necessitating expensive anti-tilting provisions. This may partly be solved by broadening the precast elements to make sure the centre of gravity falls within the precast element. Please contact us if you need your specific design customised.
Specifications HGKP beam
|Span||between 25 and +40 metres|
|Standard width||1480 / 1980 mm|
|Working width||1500 / 2000 mm|
|Arch bridge possible||no|
|Compression layer required||no, complete deck|
|Construction||statically determined & statically undetermined (Gerber beam)|
|Maximum crossing angle||60°|
|Fanning decks possible||no|
|Support materials||support blocks|
|Remarks||minimum arch radius approx. 200 metres|