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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.9, 2004³â, pp.91-103
¸ðÇüÀÇ ¸ðÇüÈ­ ±â¹ýÀ» ÀÌ¿ëÇÑ 1g Áøµ¿´ë ½ÇÇèÀ» À§ÇÑ »ó»ç¹ýÄ¢ÀÇ À¯È¿¼º °ËÁõ
( Verification of Similitude Law for 1g Shaking Table Tests through Modeling of Models )
ȲÀçÀÍ;±è¼º·Ä;ÀåÀμº;±è¸í¸ð; ¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ °øÇבּ¸¼Ò;Çѱ¹Çؾ翬±¸¿ø ¿¬¾ÈÇ׸¸°øÇבּ¸º»ºÎ;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;
 
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Áö¹Ý-À¯Ã¼-±¸Á¶¹° ½Ã½ºÅÛ¿¡ ´ëÇÑ 1g Áøµ¿´ë ½ÇÇèÀ» À§ÇÑ »ó»ç¹ýÄ¢ÀÇ À¯È¿¼ºÀ» °ËÁõÇϱâ À§ÇÏ¿© ÀÏ·ÃÀÇ ¸ðÇü½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. Å©±â°¡ ¼­·Î ´Ù¸¥ 3°¡ÁöÀÇ ¸ðÇü¿¡ ´ëÇÑ ½ÇÇè°á°ú ºÐ¼®¿¡´Â lai°¡ Á¦¾ÈÇÑ »ó»ç¹ýÄ¢»Ó¸¸ ¾Æ´Ï¶ó °úÀ×°£±Ø¼ö¾Ð ¹ß»ýÀ» À§ÇÑ Á¤»ó»óŰ³³äµµ Àû¿ëÇÏ¿© °¢ Å©±âÀÇ ¸ðÇüÀÌ ¿¹ÃøÇÏ´Â ¾Èº®½Ã½ºÅÛÀÇ °Åµ¿À» ¼­·Î ºñ±³ÇÏ¿´´Ù. ±× °á°ú, °¡¼Óµµ¿Í °úÀ×°£±Ø¼ö¾Ð, ±×¸®°í º¯À§ ÀÀ´äÀÇ °æ¿ì, °¡Àå ÀÛÀº ¸ðÇüº®Ã¼¿Í °¡Àå Å« ¸ðÇüº®Ã¼´Â ºñ½ÁÇÑ °ªÀ» ¿¹ÃøÇÑ ¹Ý¸é, Áß°£Å©±âÀÇ ¸ðÇüº®Ã¼´Â °øÁøÇö»óÀ¸·Î ÀÎÇØ ¾û¶×ÇÏ°Ô Å« °ªÀ» ¿¹ÃøÇÏ¿´´Ù. ¶ÇÇÑ º®Ã¼ÀÇ ¼öÁ÷ħÇÏ¿Í È¸Àü°¢Àº ¸ðÇüÀÇ Å©±â¿Í °ü°è¾øÀÌ ¸ðÇüº®Ã¼½Ã½ºÅÛÀÇ Å©±â°¡ Áõ°¡ÇÒ¼ö·Ï Áõ°¡ÇÏ´Â °æÇâÀ» ³ªÅ¸³»¾ú´Ù.
A series of shaking table model tests were performed to verify the validity of similitude law, which is suggested by lai (1989) to simulate the dynamic behavior of soil-fluid-structure system for is shaking table tests. In the tests, the similitude law suggested by lai was applied to determine the length and the time scaling factors. Also, the steady state concept was used in determining the density of model backfill soil, which is a key factor in simulating the development of excess pore pressure during shaking. The similitude law was verified by checking whether three different sizes of quay walls show the identical behavior or not. The similar responses of acceleration, excess pore pressure and horizontal displacement of walls were obtained far the small and large models. However, the medium model showed larger responses than those of the small and large models because of the resonance between the frequency of input acceleration and the natural frequency of the wall system. In addition, the vertical displacement and rotational angle of the walls became larger with the increase of model size.
 
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Gravity guay wall;Modeling of models;Shaking table tests;Similitude law;Steady state concept;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.9, 2004³â, pp.91-103
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200430710459126)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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