التفاصيل البيبلوغرافية
| العنوان: |
Development of a Tomography Technique for Assessment of the Material Condition of Concrete Using Optimized Elastic Wave Parameters |
| المؤلفون: |
Chai, Hwa, Liu, Kit, Behnia, Arash, Yoshikazu, Kobayashi, Shiotani, Tomoki |
| المساهمون: |
塩谷, 智基, 40443642 |
| بيانات النشر: |
MDPI AG |
| سنة النشر: |
2016 |
| المجموعة: |
Kyoto University Research Information Repository (KURENAI) / 京都大学学術情報リポジトリ |
| مصطلحات موضوعية: |
tomography, honeycomb, pre-stressed concrete (PC), imaging algorithm, ray tracing, wave propagation |
| الوصف: |
Concrete is the most ubiquitous construction material. Apart from the fresh and early age properties of concrete material, its condition during the structure life span affects the overall structural performance. Therefore, development of techniques such as non-destructive testing which enable the investigation of the material condition, are in great demand. Tomography technique has become an increasingly popular non-destructive evaluation technique for civil engineers to assess the condition of concrete structures. In the present study, this technique is investigated by developing reconstruction procedures utilizing different parameters of elastic waves, namely the travel time, wave amplitude, wave frequency, and Q-value. In the development of algorithms, a ray tracing feature was adopted to take into account the actual non-linear propagation of elastic waves in concrete containing defects. Numerical simulation accompanied by experimental verifications of wave motion were conducted to obtain wave propagation profiles in concrete containing honeycomb as a defect and in assessing the tendon duct filling of pre-stressed concrete (PC) elements. The detection of defects by the developed tomography reconstruction procedures was evaluated and discussed. |
| نوع الوثيقة: |
article in journal/newspaper |
| وصف الملف: |
application/pdf |
| اللغة: |
English |
| تدمد: |
1996-1944 |
| العلاقة: |
http://hdl.handle.net/2433/225090Test; Materials; 291 |
| الإتاحة: |
http://hdl.handle.net/2433/225090Test |
| حقوق: |
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0). |
| رقم الانضمام: |
edsbas.1AD437AE |
| قاعدة البيانات: |
BASE |
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