Towards Preventive Maintenance with Non-Destructive Test Using Compact Neutron Systems

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  • OTAKE Yoshie
    Neutron Beam Technology Team, RIKEN Center for Advanced Photonics, RIKEN

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  • 中性子線によるインフラ非破壊検査技術の最新－予防保全を目指して－
  • チュウセイシセン ニ ヨル インフラ ヒハカイ ケンサ ギジュツ ノ サイシン : ヨボウ ホゼン オ メザシテ

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<p>To establish highly effective maintenance cycle, development and practical realization of non-destructive test methods of such large scale structures as bridges, highways, tunnels, and so on is quite important and urgent. Neutron has high penetration power for concrete slabs, and steel plates while it has high sensitivities for such light elements as hydrogen, lithium, and boron. The novel technology to visualize the degradation of floor slab, and the neutron salt meter development with compact neutron system are introduced.</p>

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