MC Bauchemie

Rehabilitation of Hamburg’s Wallring Tunnel

In mid-2018 the two tubes of Hamburg’s Wallring Tunnel were opened to traffic again after four years of extensive modernisation. MC-Bauchemie’s fibre-reinforced concrete replacement product Nafufill KM 250 played a key role in the the rehabilitation of this important inner link across the major Northern German city. 2100 tonnes of concrete replacement were applied to an area of 21 000 m² at the walls and ceiling for structural fire protection.    

With a daily volume of around 40 000 vehicles the Wallring Tunnel, built between 1963 and 1966, is none of the most important inner-city traffic...

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