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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.2, 1998³â, pp.9-20
ÁöÇ¥¸é ½ºÆåÆ®·³ °­µµ¸¦ ÅëÇÑ Áö¹ÝÀÇ ¾×»óÈ­ Æò°¡¿¡ ´ëÇÑ ¿¬±¸
( Evaluation of Subsurface Liquefaction through Spectrum Intensity at Surface )
¹ÚÁ¾°ü;; Á¤È¸¿ø, ¼­¿ï»ê¾÷´ëÇб³ Åä¸ñ°øÇаú;ÀϺ» µ¿°æ ´ëÇÐ Åä¸ñ°øÇаú;
 
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ÁöÁø¿¡ ÀÇÇÑ Áö¹ÝÀÇ ¾×»óÈ­ Çö»óÀ¸·Î ÀÎÇÏ¿© ÁöÇÏ¿¡ ¸Å¼³µÈ »ýȰ°ü°Å°¡ ÆÄ±«µÉ °¡´É¼ºÀº ´ë´ÜÈ÷ ³ô´Ù. ¸¸ÀÏ ÁöÁøÀÌ ¹ß»ýÇÏ´Â Áï½Ã Áö¹ÝÀÇ ¾×»óÈ­ °¡´É¼ºÀ» ÆÇ´ÜÇÒ ¼ö ÀÖ´Ù¸é °ü°Å°¡ ÆÄ±«µÊÀ¸·Î ÀÎÇÑ ÇÇÇØ¸¦ ÃÖ¼ÒÇÑÀ¸·Î °¨¼Ò½Ãų ¼ö ÀÖ´Ù. ¾×»óÈ­ Çö»óÀÌ Áö¹Ý¿¡ ¹ß»ýÇÏ´Â µ¿½Ã¿¡ À̸¦ ÆÇº°Çϱâ À§Çؼ­´Â ÁöÇ¥¿¡¼­ Áøµ¿ÀÇ ÀÌ·ÂÀ» ÃøÁ¤ÇÔ°ú µ¿½Ã¿¡ ÇØ¼®ÇÔÀ¸·Î½á °¡´ÉÇÏ´Ù. º» ³í¹®¿¡ ¼­´Â ÁöÇ¥¿¡¼­ ÃøÁ¤µÈ °¡¼Óµµ ±â·ÏÀ» ÅëÇÏ¿© Áö¹ÝÀÇ ¾×»óÈ­ °¡´É¼º°ú ¾×»óÈ­µÈ Áö¹ÝÀÇ µÎ²²¸¦ Æò°¡ÇÏ´Â ¹æ¹ýÀ» Á¦½ÃÇϰíÀÚ ÇÑ´Ù. À̸¦ À§ÇÏ¿© ½ÇÁ¦·Î ÃøÁ¤µÈ ÁöÁø ±â·ÏÀ» ÇØ¼®Çϰí, ¶ÇÇÑ Áøµ¿´ë½ÃÇèÀÌ ½Ç½ÃµÇ¾ú´Ù. ÀÌ °á°ú ¾×»óÈ­ Áö¹ÝÀÇ ÆÇº°°ú ¾×»óÈ­µÈ Áö¹ÝÀÇ µÎ²²´Â Áö¹Ý ÃÖ´ë °¡¼Óµµ¿Í ½ºÆåÆ®·³ °­µµ·Î °áÁ¤ÇÒ ¼ö ÀÖÀ½ÀÌ Áõ¸íµÇ¾ú´Ù.
The earthquake-induced liquefaction of ground brings high possibility of failure of lifeline. If subsurface liquefaction is detected immediately after an earthquake the damage caused by the failure of lifeline can be reduced. The goal is achieved by deploying many accelerometers in the area of possible liquefaction and collecting records through a wireless network. This paper attempts to develop a measure to interpret the collected data oft surface motion and to assess the thickness of liquefied layers. For this purpose. both analysis of earthquake records and shaking table tests on model ground were carried out. It was shown that the thickness of liquefied layers can be assessed by using the maximum acceleration and the spectrum intensity at the surface.
 
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Earthquake damage;Liquefaction;Shaking-table tests;Spectrum intensity;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.2, 1998³â, pp.9-20
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920447989)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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