The Niederhafen: GEWI® Anchors stabilize Flood Control Structure at Hamburg’s most famous Harbor Promenade

The Niederhafen in Hamburg, Germany features the city’s most famous harbor promenade that connects the St. Pauli Landing Bridges with the historical old warehouse district.

At this location, the existing flood control structure built between 1964 and 1968 was renewed in two sections over a length of approx. 625m. The new structure is 1.40 to 1.70m higher than the existing flood control structure.

First, the existing promenade was demolished and examined for Second World War warfare material. Afterwards, vibrated stone columns covered by geotextiles and steel piles were installed.

Subsequently, Neidhardt Grundbau installed a total of 270 double corrosion protected, 63.5mm Ø GEWI® Anchors from floating pontoons to tie back the steel piling. The up to 35m long anchors were supplied in segments of up to 18m that were later joined together on the job site.

Owner

Freie und Hansestadt Hamburg, Landesbetrieb Straßen, Bruecken und Gewaesser, Germany

General Contractor

Joint Venture, consisting of Bilfinger Construction GmbH and Hochtief Solutions AG, both Germany

Subcontractor

Neidhardt Grundbau GmbH, Germany

Architect

Zaha Hadid LTD Architects, Great Britain

Consulting Engineers

Grundbauingenieure Steinfeld und Partner GbR, Germany

Engineering

Ingenieurbüro GRASSL GmbH, Germany


Unit

DYWIDAG-Systems International GmbH, BU Geotechnics, Germany

Scope

Production, supply, technical support, rental of equipment

Products

270 double corrosion protected, 63.5mm Ø GEWI® Anchors

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