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            Nemetschek Structural User Contest 2013 - Category 4: Special Projects
          
        
        
          
            Category 4: Special Projects
          
        
        
          
            4
          
        
        
          Short description │
        
        
          
            New Antenna Mast Smilde
          
        
        
          On 15 July, 2011 a blaze in one of the feeder cables caused the Hoogersmilde guy-wired antenna mast
        
        
          to collapse, causing service disruption to the region and damage to part of the concrete tower. The
        
        
          goal of the client Omroepmasten B.V. was to minimise the disruption by installing a new mast on the
        
        
          concrete tower by August 2012. To mitigate the tight deadline, Iv-Consult and contractor VolkerWessels
        
        
          Telecom completed a parallel fast-track design that would meet the scheduled mast erection date.
        
        
          Scia Engineer was deployed to carry out the analysis of the new guy-wired lattice mast. A geometrically
        
        
          nonlinear analysis of the structure was chosen in order to allow for the high slenderness of the
        
        
          structure and to better represent the behaviour of the cables. A modal analysis has moreover been
        
        
          executed to evaluate the natural frequencies in comparison with the wind actions.
        
        
          
            Iv-Consult
          
        
        
          Contact
        
        
          W.M. Visser
        
        
          Address
        
        
          Noordhoek 37
        
        
          3351 LD Papendrecht, The Netherlands
        
        
          Phone
        
        
          +31 78-6448555
        
        
          Email
        
        
        
          Website
        
        
        
          Iv-Consult is a division of Iv-Groep, a group of professional engineering companies. Through the years,
        
        
          the company has developed itself into a highly qualified engineering company and sparring partner for
        
        
          clients who need independent advice or a constructive solution.
        
        
          Services are provided from preliminary design up to detail design. Iv-Consult is a market leader for the
        
        
          design of steel and mechanical structures. The main office is located in Papendrecht, the Netherlands.
        
        
          Iv-Consult also has offices in Almere, the Netherlands and Kuala Lumpur, Malaysia.
        
        
          As an engineering company, Iv-Consult focuses on the challenging design and engineering of complex
        
        
          structural and mechanical projects. The company has the know-how and experience to realise large-
        
        
          scale projects like power plants, ports and yard developments. Our clients can vary from end-users to
        
        
          developers, architects and contractors. We provide engineering services with a creative mind setting
        
        
          and a high focus on cost effective design. Quality through cooperation is our selling point.
        
        
          Project information
        
        
          Owner
        
        
          Omroepmasten B.V.
        
        
          Architect
        
        
          Omroepmasten B.V.
        
        
          General Contractor
        
        
          VolkerWessels Telecom
        
        
          Engineering Office
        
        
          Iv-Consult
        
        
          Location
        
        
          Hoogersmilde,The Netherlands
        
        
          Construction Period
        
        
          01/2012 to 09/2012