アモルファス磁性粉を用いたコンクリートクラックの深さ推定の基礎的検討
書誌事項
- タイトル別名
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- Using Amorphous Magnetic Powder to Estimate the Depths of Cracks in Concrete
- アモルファス ジセイフン オ モチイタ コンクリート クラック ノ フカサ ス
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抄録
A new method is proposed for estimating the depth and inclination angle of a crack in concrete. Amorphous powders were packed into a crack and excited by means of an alternating magnetic field. The exciting field was created by an E-form ferrite core with a pick-up coil centered between the two exciting coils.<br> The pick-up coil measured the magnitude and phase of the magnetic flux caused by the crack packed with amorphous powders. To model the crack, acrylic pipes of various lengths were prepared and packed with amorphous powders. The experimental results show that the inclination angle were clearly recognized, and the length of the crack was determined to be 30 mm.
収録刊行物
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- 日本応用磁気学会誌
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日本応用磁気学会誌 22 (4_2), 909-912, 1998
公益社団法人 日本磁気学会
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詳細情報
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- CRID
- 1390282680070471168
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- NII論文ID
- 110002811570
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- NII書誌ID
- AN0031390X
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- ISSN
- 18804004
- 02850192
- http://id.crossref.org/issn/02850192
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- NDL書誌ID
- 4458180
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- データソース種別
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- JaLC
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可