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EVALUATION OF NONDESTRUCTIVE UNDERWATER TIMBER INSPECTION TECHNIQUES
| 题名： | EVALUATION OF NONDESTRUCTIVE UNDERWATER TIMBER INSPECTION TECHNIQUES |
| 作者： | C.A.Keeney and S.E.Pollio |
| 关键词： | Underwater inspection, nondestructive testing, waterfront facilities, ultrasonic testing,impact testing, computerized axial tomography, timber inspection |
| 摘要： | Tins report presents the assessment of potential techniques for underwater nondestructive testing of timber piles. Three techniques are discussed: X-ray tomography, indirect ultrasonic testing, and impact testing. A computerized axial tomography (CAT) system has never been used underwater to date. However, studies concluded that the underwater application of tomography is technically feasible. A brief introduction to the proposed prototype underwater CAT system is presented. In addition, results of laboratory and field tests to evaluate the capability of an indirect ultrasonic system and impact system to accurately measure the percent cross-sectional wood loss are presented in detail. |
| 报告类型： | 科技报告 |
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