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Computer simulations of limited angle tomography of reinforced concrete

✍ Scribed by Kaarlo A. Heiskanen; Hong C. Rhim; Paulo J.M. Monteiro

Book ID
103000692
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
969 KB
Volume
21
Category
Article
ISSN
0008-8846

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✦ Synopsis

Computed tomography (CT) with x-rays or,/-rays has the potential of being a powerful tool in assessing the degree of damage in reinforced concrete structures. The traditional CT method consists of taking measurements from all directions around the structure. However in reinforced concrete structures the measurement device cannot be positioned around all the structure, and the measurement data are thus available only from a limited range of angles. In this paper a new algorithm is presented for reducing the effects of the limited angle problem. Computer simulations of limited angle tomography of reinforced concrete columns show that the proposed algorithm is robust and can significantly increase the power of tomography in civil engineering applications.

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## Abstract Three years ago, at the VIIth International Congress of Radiology in Otorhinolaryngology, held in Copenhagen, the early impressive results of computer‐assisted tomography (CAT) in otorhinolaryngology were presented. Since considerable technologic and diagnostic progress of CAT has taken