DEVEROPMENT OF X-RAY STRESS MEASUREMENT METHOD FOR STEEL MATERIALS USED FOR RC STRUCTURE

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  • X線を用いた鉄筋における応力度測定法の開発

Abstract

<p> Being a kind of the civil engineering structures, many underground power transmission tunnels were constructed more than 30 years ago, and the structure of these tunnels are mainly reinforced concrete. It is one of the ways to maintenance such as aging civil engineering structures to accurately measure the stress of reinforcing bars for evaluating the residual strength and planning appropriate repairs and reinforcements. In this paper, we discussed an X-ray stress measurement method that can measure the actual stress without cutting the reinforcing bar, to apply it to steel materials for civil engineering structures.</p>

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