Willemen Bouw was established on 30 April 2025 through the merger of Willemen Construct, Cosimco, Franki Construct and Tools.
Storage tanks for chemical liquids Evonik Degussa - Antwerp
Description 
    Construction of two tanks.
Tank capacities:
- Foundation slab on screw piling: 69 screw piles per tank.
- 325 m³ concrete and 25 tonnes of rebar per foundation slab.
- 95 tonnes of rebar per tank wall.
- 425 m³ concrete per tank wall.
- Tank height: 17.20 m.
- Outer diameter: 21.00 m.
- Wall thickness: 0.40 m.
- Hydraulic head: 18 to 20 cm/hour.
Method: slipforming.Full-time, 24/24 and 5 days successive, concreting with concrete hoppers.
location 
    Project Details
                        Contractor                    
                    
                Tijsmanstunnel West, Antwerpen, Antwerpen, Belgium
                     
                    Client 
    Evonik Degussa
      End User 
    Evonik Degussa
      Engineering Office 
    Nico Terryn
      Construction period
 3 months
Start work
06-2011
End of work
09-2011
 
                    









 
                                       