Importance

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Abstract

The invention relates to a method for transforming a cable supported bridge from a first bridge state in which at least one of said stay cables extends according to a first catenary to a second bridge state in which said at least one stay cable or at least one new stay cable replacing said at least one stay cable extends according to a second catenary, comprising at least one of the steps of

a) providing at a predetermined position of said bridge deck a further anchorage for an end of said at least one stay cable previously received and held by said bridge deck side anchorage or for an end of at least one new stay cable, andb) displacing an anchor unit of said bridge deck side anchorage or said further anchorage relative to an allocated fastening unit of said bridge deck side anchorage or said further anchorage to said predetermined position,said predetermined position being located closer to or further away from a support structure od said cable supported bridge than said bridge deck side anchorage or said anchor unit of said bridge deck side anchorage or said further anchorage, respectively, and being determined such that a tangent to the second catenary of said at least one stay cable or said at least one new stay cable at an entrance to said anchor unit of a support structure side anchorage is substantially parallel to an axis of a recess pipe of said anchor unit of said support structure side anchorage.

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First Claim