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Evaluation of Applicability of HWAW (Harmonic Wavelet Analysis of Waves) Method in Determining Grouting Effect in Dam and Embankment
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 Title & Authors
Evaluation of Applicability of HWAW (Harmonic Wavelet Analysis of Waves) Method in Determining Grouting Effect in Dam and Embankment
Noh, Hee-Kwan; Park, Hyung-Choon;
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 Abstract
Dam and embankment are very important civil structures. Grouting is widely used to repair and maintain dam and embankment, and it is important to evaluate the effect of grouting for dam safety. The non-destructive method based on determination of wave velocity in the dam or embankment is effectively used to evaluate grouting effect because wave velocity is identical with stiffness and grouting increases local stiffness in a dam. In this paper, HWAW (Harmonic wavelet analysis of waves) method was applied to evaluate the grouting effect. HWAW method can determine two-dimensional shear wave velocity map with good spatial resolution and the shear velocity profile by the proposed method is sensitive to a variation of stiffness of target system. Through numerical simulation and field tests, the applicability of HWAW method in determining grouting effect is shown.
 Keywords
Dam;Grouting;HWAW method;Shear wave velocity;
 Language
Korean
 Cited by
1.
필댐 축조재료의 공간 변동성에 의한 불확실성이 고려된 국내 필댐 심벽부 전단파 속도 주상도 모델,박형춘;나병찬;임희대;

한국지반공학회논문집, 2016. vol.32. 11, pp.51-60 crossref(new window)
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