書誌事項
- タイトル別名
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- Development of Excitation Device for Non-Destructive Inspection in Concrete Structures Using Gas Combustion
- コンクリート コウゾウブツ ノ ヒハカイ ケンサ ノ タメ ノ ガス ネンショウ オ リヨウ シタ カシンソウチ ノ カイハツ
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This paper is concerned with the development of a shock tube suited for nondestructive inspection in concrete structures. The developed shock tube produces shock waves by combustion of propane-air mixture gas in a long cylindrical tube at short intervals. The propane and air mixture are injected into the reaction chamber from the mixing chamber and ignited. A detonation wave goes through the expansion chamber and extends into the atmosphere. The performance of the tube was evaluated by measuring the pressure distribution on a specimen surface and experiments of defect detection for concrete specimens. A triangular wave with a pressure of 4 kPa and a duration of 0.4 ms was obtained at 500 mm distance from the shock tube. In the defect detection, we could detect a defect with a diameter of 200 mm and a depth of 50 mm clearly.
収録刊行物
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- 日本機械学会論文集A編
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日本機械学会論文集A編 71 (712), 1729-1734, 2005
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282679454023552
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- NII論文ID
- 110004999141
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- NII書誌ID
- AN0018742X
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- COI
- 1:CAS:528:DC%2BD28XhslCju7k%3D
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- ISSN
- 18848338
- 03875008
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- HANDLE
- 2298/17473
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- NDL書誌ID
- 7777115
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可