River Enns Bridge Münichholz

Road bridge

Volume:

Preliminary design, final design, structural calculation, final planning documents for construction in free cantilever method

Design period:

1997 / 1998

Location:

Federal highway B122a, Nordspange Steyr, Upper Austria

Country:

Austria

Owner:

Amt der OÖ Landesregierung

Customer:

Mayreder Bau GmbH, Linz

Spans:

65,00 + 85,00 + 85,00 + 65,00m

Total span:

300,00m

Total width:

13,43m

Alignment:

Straight superstructure

Superstructure:

Post-tensioned single cell hollow box girder, parabolicly variable depth

Foundation:

Replacement type piles Ø 150 cm and spread foundation

Construction:

Superstructure free cantilevered from three pillars and continued to the abutments using two auxiliary columns.

Special features:

Mixed prestressing system with internal and external tendons.

Publication:

Report at the Austrian Concrete Day 2000.