超音波伝播速度測定による土塗壁の損傷評価

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書誌事項

タイトル別名
  • DIAGNOSIS OF MUD SHEAR WALL BY ULTRASONIC MEASUREMENT AS A NONDESTRUCTIVE METHOD
  • 超音波伝播速度測定による土塗壁の損傷評価 : 塑性的挙動と超音波伝播速度の相関関係
  • チョウオンパ デンパ ソクド ソクテイ ニ ヨル ツチ ヌリカベ ノ ソンショウ ヒョウカ : ソセイテキ キョドウ ト チョウオンパ デンパ ソクド ノ ソウカン カンケイ
  • – Relationship between plastic behavior and ultrasonic transit time on mud wall –
  • 塑性的挙動と超音波伝播速度の相関関係

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抄録

As an effective nondestructive diagnosis method without giving any damage to the mud wall on the traditional building, the ultrasonic measurement method was introduced in order to estimate their mechanical properties and shear performance and to make a diagnosis of their damage condition. Comprehensive evaluation for the relationship between the change of ultrasonic transit time and the mechanical property by compressive and shear test was performed. Consequently, it was concluded that ultrasonic transit time showed a very high relationship with the plastic behavior of the mud. On the small mud wall unit with the bamboo lath, it could obviously make grasp in its total estimation of the damage level and pattern with contour mapping by change-ratio of the ultrasonic transit time on each sector of mud wall. Ultrasonic measurement method was proved its high potential on the executive nondestructive diagnosis of traditional mud wall.

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