Filter barrier Brunn-Trench

Protective structures, Underground- and hydraulic structures

Building category

Solid construction

Construction method

Detail planning, Planning of structural framework

Performed services

Inland

Region

August 2017

Processing time from

January 2018

Processing time until

DI Georg Wallner

Project manager

DI Sascha Grujic

Substitute project manager

Andrea Sandholzer

Project team member

Wildbach- und Lawinenverbauung - Gebietsbauleitung OÖ West

Client

24,90 m

Length of crown dam

4,50 m

Height

Description of project

The Brunn-Trench is situated in the municipality of Timelkam and has a crown length of 25 m as well as a maximum height above base of 4.50 m. The foundation plate is approx. 8 m/9 m big. A spillway with 2 m height and 3 m width was created for the filter section. The filter (made of rolled sections on upstream wings) is 4.40 m long.

Special tasks

Originally the planning comprised the load transfer with three concrete slots on the stable “Völkla-Streak”. During the building phase it turned out that the upper soil layer of the streambed (fine-grained stream sediments) was not firm enough - contrary to the soil exploration made next to the river. Therefore, a pile foundation had to be redesigned at short time.

Description of tasks

  • Structural engineering and static calculation
  • Detailed drawing of plans including reinforcement plan

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