State of the Art new Products and Methods for Cable Bridges Small and Big

This paper shall present new products and construction methods for cable bridges to address the issue of fatigue resistance and the need for load monitoring in tension members.

After a short description of the historical development of cable bridges, the focus changes to bridge systems using hangers of various types. Three typical examples, all bridges for tramways with high dynamic loads, are presented. Requirements and solutions for fatigue resistance and load monitoring, which are very relevant for such type of bridges, are described in detail.

Recent developments for cable and rod hangers are ensuring safe use for any bridges, even with high fatigue loads, as well as deliver monitoring data of forces during erection and the life span of the structure.

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