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- W805361434 abstract "This article introduces the ultrasound 3D Tomographer system and its application in the inspection of prestressed concrete bridges. The ultrasound 3D Tomographer system enables a graphic reconstruction of the internal structure of a tested object and the locating of poorly or non-injected tendon ducts. In addition the ultrasound 3D Tomographer system enables a precise location of casting defects, prestressing steel, rebars, pipes, etc. which exist in the concrete. Ramboll engineers have already successfully applied the use of the ultrasound 3D Tomographer system in about 20 different inspection cases of prestressed bridges. Nowadays there are at least dozens of thousands of aging post-tensioned bridges built mostly the 1960-70's. In parts of the bridges the prestressing system was applied in a faulty manner due to various reasons. In some cases, when stresses from the environment were added to faulty construction work, bridges have collapsed. As many of the post-tensioned bridges have already reached their renovation time the condition of the bridges should be assessed. Usually, this is done by performing bridge special inspections. Unfortunately, “traditional” inspection techniques do not provide a clear indication regarding the condition of the prestressing system which constitutes an internal system inside the reinforced concrete member. The ultrasound 3D Tomographer system enables this crucial task to be performed." @default.
- W805361434 created "2016-06-24" @default.
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- W805361434 date "2011-01-01" @default.
- W805361434 modified "2023-09-27" @default.
- W805361434 title "Inspection of prestressed concrete road bridges by ultrasound 3D Tomographer system" @default.
- W805361434 hasPublicationYear "2011" @default.
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