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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.8
- 수록면
- 771 - 776 (6page)
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초록· 키워드
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A technique is presented that uses a circular waveguide for the measurement of the bulk shear(S-wave) velocities of unconsolidated, saturated media, with particular application to near surface soils. The technique requires the measurement of the attenuation characteristics of the fumdamental T(0,1) mode that propagates along an embedded pipe, from which the acoustic properties of the surrounding medium are inferred. From the dispersion curve analysis, the feasibility of using T(0,1) mode which is non-dispersive and have constant attenuation over all frequency range is discussed. The principles behind the technique are discussed and the results of an experimental laboratory validation are presented. The experimental data are best fitted for the different depths of wetted sand and the shear velocities as a function of depths are formulated using power law curves.
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참고문헌 (10)
참고문헌 신청
2. [학술지(정기간행물)] - Allene, D. N. / 2001 / Rapid, Long Range Inspection of ChemicalPlant Pipework Using Guided Waves / Review ofProgress in Quantitative Nondestructive Evaluation 20 : 180 ~ 187
3. [학술지(정기간행물)] - Kwun, H. / 2004 / Torsional Guided Wave Attenuation in Coal-tar-enamel-coated Buried Piping / NDT&E International 37 : 663 ~ 665
4. [학술지(정기간행물)] - Hua, J. / 2011 / Guided Wave Propagation in Single and Double Layer Hollow Cylinders Embedded in Infinite Media / Journal of Acoustical Society of America 129 : 691 ~ 700
5. [기타자료] - / 1994 / ASTM Standard D-4428/D-4428-94, 1994, Standard Test Methods for Cross-hole Seismic Testing / American Society for Testing Materials : 885 ~ 898
6. [학술지(정기간행물)] - Caradente, R. / 2010 / The Scattering of the Fundamental Torsional Mode from Axisymmetric Defects with Varying Depth Profile in Pipes / Journal of Acoustical Society of America 127 : 3440 ~ 3448
3. [학술지(정기간행물)] - Kwun, H. / 2004 / Torsional Guided Wave Attenuation in Coal-tar-enamel-coated Buried Piping / NDT&E International 37 : 663 ~ 665
4. [학술지(정기간행물)] - Hua, J. / 2011 / Guided Wave Propagation in Single and Double Layer Hollow Cylinders Embedded in Infinite Media / Journal of Acoustical Society of America 129 : 691 ~ 700
5. [기타자료] - / 1994 / ASTM Standard D-4428/D-4428-94, 1994, Standard Test Methods for Cross-hole Seismic Testing / American Society for Testing Materials : 885 ~ 898
6. [학술지(정기간행물)] - Caradente, R. / 2010 / The Scattering of the Fundamental Torsional Mode from Axisymmetric Defects with Varying Depth Profile in Pipes / Journal of Acoustical Society of America 127 : 3440 ~ 3448
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