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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.3, 1997³â, pp.53-62

( Analytical Studies for SASW Measurements Underwater )
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Á֯ļö¿µ¿ª Ç¥¸éÆÄ±â¹ý (SASW)À» ¼öÁßÁö¹ÝŽ»ç¿¡ Àû¿ëÇϱâ À§ÇÑ ÀÏ·ÃÀÇ ÇØ¼®Àû ¿¬±¸°¡ ½Ç½ÃµÇ¾ú´Ù. SASW½ÇÇèÀ¸·Î Áö¹Ý°­µµºÐÆ÷¸¦ Á¤¹ÐÈ÷ ¿¹ÃøÇϱâ À§Çؼ­´Â ½ÇÇèÁ¶°Ç, °íÂ÷¸ðµåÀÇ ¿µÇâ, ÀÀ´äÆÄÀÇ Á¤¸® ±â¹ý µî, ½ÇÇè°á°ú¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¸ðµç Á¦¹Ý ¿ä¼ÒµéÀ» °í·ÁÇÑ Á¤È®ÇÏ°íµµ °æÁ¦ÀûÀÎ À̷клê°î¼±À» °áÁ¤Çؾ߸¸ ÇÑ´Ù. µû¶ó¼­, º» ³í¹®¿¡¼­´Â ¼öÁß Ç¥¸éÆÄÀÇ À̷клê°î¼±À» ±¸Çϱâ À§ÇÑ ÇØ¼®±â¹ýµéÀ» °³¹ßÇÏ°í ±× ÀÌ·ÐÀû ¹è°æÀ» ¼³¸íÇÏ¿´´Ù. ¶ÇÇÑ, °³¹ßµÈ ÇØ¼®±â¹ýµéÀ» ¼öÁßÁö¹Ý¿¡¼­ ½ÇÁ¦·Î ½Ç½ÃµÈ SASW½ÇÇè°á°úÀÇ ºÐ¼®¿¡ Àû¿ëÇÏ¿© ¼öÁßÁö¹ÝÀÇ °­µµÆ¯¼ºÀ» ¿¹ÃøÇÏ´Â ¿¹¸¦ º¸¿´´Ù. ÀÌ °á°ú·ÎºÎÅÍ °³¹ßµÈ ÇØ¼®±â¹ýµé°ú ´õºÒ¾î¼­ ¼öÁßÁö¹ÝŽ»ç¸¦ À§ÇÑ SASW ½ÇÇè¹æ¹ýÀÇ Àû¿ë¼ºÀÌ °ËÅäµÇ¾ú´Ù.
Analytical studies were conducted to develop the Spectral-Analysis-of-Surface-Waves (SASW) method for underwater use. For the precise estimation of the in-situ soil stiffness profile from SASW measurements, it is essential to determine economical and reasonable theoretical dispersion curves reflecting various experimental conditions. In this paper, therefore, analytical methods are mainly discussed, which were developed to determine theoretical dispersion curves of surface waves propagated along the soil-water interface. Application of the analytical methods is then illustrated by an example involving estimation of a stiffness profile through a forward modeling process of SASW measurements. Applicabilities of the SASW method as well as the developed analytical methods are evaluated, respectively, from the example.
 
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SASW;Underwater;Surface wave;Theoretical dispersion curve;Soil stiffness;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.3, 1997³â, pp.53-62
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447388)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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