Reinforcement for the Board of Zetcon Ingenieure

Since January 2016, Dipl.-Ing. Christian Kotz-Pollkläsener (45) has reinforced the board of the German consultant Zetcon Ingenieure alongside Dipl.-Ing. Ulrich Pöggeler. Kotz-Pollkläsener is responsible for the technical field and the subsidiaries IBOS (Institut für Betontechnologie und Oberflächenschutz) and Zetcon Development. He has many years of experience in the testing of building structures, refurbishment design and quality supervision, has been active for the company since 2008 and was procurist and partner before being appointed as a director. “We have ambitious targets and plans”,...

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Issue 02/2016 Germany

Wehrhahn Line, Düsseldorf: Opening of the inner-city Tunnel Project

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Issue 04/2010

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The Metro network in downtown Düsseldorf will be rounded off by the Wehrhahn line, towards this end the existing Heinrich-Heine-Allee Metro Station will be intersected and will gain great importance...

Issue 01/2020 Switzerland | Schweiz

Christian Späth new Head of Implenia’s Civil Engineering Division

Christian Späth (51) is taking over as head of the civil engineering division at Implenia, Switzerland’s leading construction and construction services company, as of 1 January 2020. He also joins...


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He succeeds René Kotacka (57) who, after many years of leadership at group level, had decided to take an eight-month sabbatical starting in January 2020, and to relinquish his current roles as...

Issue 01/2011

Steel-fibre-reinforced segmental linings: State-of-the-art and completed projects

Introduction Upon the appearance of steel-fibre-reinforced concrete on the European market in the 1970s, neither standards nor guidelines for the design and dimensioning of this new material were...