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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.12, 2006³â, pp.15-24
HWAW(Harmonic Wavelet Analysis of Wave)¹æ¹ýÀ» ÀÌ¿ëÇÑ Ç¥¸éÆÄ ¸ðµå ºÐ»ê°î¼±ÀÇ °áÁ¤
( Determination of Mode Dispersion Curves of Surface Wave Using HWAW Method )
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The evaluation of shear modulus is very important in various fields of civil engineering. Non-destructive seismic methods can be used to determine shear wave velocity ($V_s$) profile. Non-destructive seismic methods geneally consist of three steps: field testing, evaluation of dispersion curve, and determination of Vs profile by inversion process. Non-destructive seismic methods can be divided into two categories according to the number of receivers used for data reduction: two-channel tests and multi-channel tests. Two channel tests use apparent velocity dispersion curve and multi-channel tests use mode dispersion curves. Multi-channel tests using mode dispersion curve can reduce calculation time to determine soil profile and uncertainties in inversion process. So far, only multi-channel tests can determine mode dispersion curves but multi-channel test needs many receivers to determine reasonable mode dispersion curves. In this paper, HWAW (Harmonic Wavelet Analysis of Wave) method is applied to determine mode dispersion curves. HWAW method uses short test setup which consists of two receivers with a spacing of 1 to 3 m. Through numerical simulations and field application, it is shown that HWAW can determine resonable mode disperson curves.
 
Ű¿öµå
HWAW;Mode dispersion curve;Mode seperation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.12, 2006³â, pp.15-24
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200606141803469)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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