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    • 3. 发明专利
    • Damage level evaluation method and system of Rc member
    • JP5376703B2
    • 2013-12-25
    • JP2008203652
    • 2008-08-06
    • 公益財団法人鉄道総合技術研究所
    • 正道 曽我部幸裕 谷村達也 仁平
    • E01D22/00
    • PROBLEM TO BE SOLVED: To efficiently evaluate a level of damage without visual observation of a column. SOLUTION: A system 1 for evaluating the level of damage includes peak sensors 2a, 2b and 2c, and a computation section 3 which performs the computation of measurement data from the peak sensors. The computation section 3 includes: a member angle computing section 6 which determines a maximum response member angle θ from the measurement data from the peak sensors; a conversion section 7 which converts the maximum response member angle to an elastic response displacement δ using elastic-plastic characteristics including an equivalent natural periodT eq of a rigid-frame viaduct 4; a response characteristic computing section 8 which determines elastic response characteristics of a structure group 21 using the equivalent natural period T eq and the elastic response displacement δ, and which determines corrected elastic response characteristics from the elastic response characteristics; an elastic response computing section 9 which computes the elastic response displacement applying the equivalent natural period T eq of the rigid-frame viaduct 4 as a non-measurement object to the corrected elastic response characteristics of the structure group 21; and an inverse conversion section 10 which converts the elastic response displacement to the maximum response member angle. COPYRIGHT: (C)2010,JPO&INPIT
    • 7. 发明专利
    • Damage level evaluation method and system of Rc member
    • JP5376702B2
    • 2013-12-25
    • JP2008203646
    • 2008-08-06
    • 公益財団法人鉄道総合技術研究所
    • 正道 曽我部幸裕 谷村達也 仁平
    • E01D22/00
    • PROBLEM TO BE SOLVED: To efficiently evaluate a level of damage without visual observation of a column. SOLUTION: A system 1 for evaluating the level of damage includes peak sensors 2a, 2b and 2c, and a computation section 3 which performs the computation of measurement data from the peak sensors. The computation section 3 includes: a member angle computing section 6 which determines a maximum response member angle θ from the measurement data from the peak sensors; a conversion section 7 which converts the maximum response member angle to an elastic response displacement δ using elastoplastic characteristics including an equivalent natural period T eq of a rigid frame viaduct 4; a response characteristic computing section 8 which determines the elastic response characteristics of a structure group 21 using the equivalent natural period T eq and the elastic response displacement δ; an elastic response computing section 9 which computes the elastic response displacement by applying the equivalent natural period T eq of the rigid frame viaduct 4 as a non-measurement object to the elastic response characteristics of the structure group 21; and an inverse conversion section 10 which converts the elastic response displacement to the maximum response member angle. COPYRIGHT: (C)2010,JPO&INPIT