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Çѱ¹Áö¹Ý°øÇÐȸ / v.8, no.2, 1992³â, pp.31-44
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( A Probabilistic Analysis of Liquefaction Potential and Pore Water Pressure Build up due to Earthquake )
±è¿µ¼ö;À̼Û;Á¶¿ìö; °æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¼­¿ï½Ã¸³´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú, Çѱ¹Á¾ÇÕ±â¼ú°³¹ß°ø»ç °¨¸®´Ü;;
 
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ÁöÁøÇÏÁßÀ» ¹Þ´Â ¿ÏÀüÆ÷È­µÈ ¸ð·¡Áö¹ÝÀ§¿¡ ±¸Á¶¹°ÀÌ ÀÖÀ» °æ¿ì(ºñµî¹æ»óÅÂ) ¶Ç´Â ¾øÀ» °æ¿ì (µî¹æ»óÅÂ)¿¡ ´ëÇÏ¿© ¾×È­ÀÇ °¡´É¼ºÀ» Æò°¡ÇÏ°í °£±Ø¼ö¾ÐÀÇ ¹ß»ýÀ» ¿¹ÃøÇϱâ À§ÇÏ¿© È®·ü·ÐÀû ±×¸®°í Åë°èÀû ¹æ¹ýÀ» »ç¿ëÇÏ¿´´Ù. º» ¿¬±¸¸¦ ¼öÇàÇϱâ À§ÇÏ¿© Æ÷È­µÈ ¸ð·¡Áö¹ÝÀÇ µî¹æ, ºñµî¹æ»óÅÂÇÏÀÇ Àü´Ü°­µµ¿Í ¹Ýº¹ÇÏÁß°ú ÀÇ °ü°è¸¦ ³ªÅ¸³»´Â µ¿ÀûÀü´Ü°­µµ°è¼öµéÀÌ Á¦½ÃµÇ¾ú´Ù. ÀÌ Àü´Ü°­µµ°è¼öµéÀ» »ç¿ëÇÏ¿© ÁöÁø¿¡ ÀÇÇÏ¿© ¹ß»ýµÇ´Â °£±Ø¼ö¾ÐÀ» ¿¹ÃøÇÏ´Â ÇÁ·Î±×·¥°ú ±×¸®°í ÀúÇ×°ú ÇÏÁß°è¼öµé¿¡ ³»Æ÷µÇ¾î ÀÖ´Â ºÒÈ®½Ç¼ºÀ» °í·ÁÇÏ¿© ¾×È­°¡ ÀϾ È®·üÀ» ±¸ÇÏ´Â ÇÁ·Î±×·¥À» 3Â÷¿ø Random Field ModelÀ» »ç¿ëÇÏ¿© °³¹ß ÇÏ¿´´Ù. °³¹ßµÈ ÇÁ·Î±×·¥À» ÇϳªÀÇ ¿¹Á¦¿¡ Àû¿ëÇÏ¿´´Ù. ±×°á°ú µî¹æ»óŰ¡ ºñµî¹æ»óź¸´Ùµµ ¾×È­ÀÇ °¡´É¼ºÀÌ ³ô¾Ò°í »óÀçÇÏÁßÀÌ Ä¿Áú¼ö·Ï ¾×È­ÀÇ °¡´É¼ºÀº ³·¾Ò´Ù. ¶ÇÇÑ °£±Ø¼ö¾Ðºñ´Â Kc °ªÀÌ Áõ°¡ÇÔ¿¡ µû¶ó °¨¼ÒÇÏ´Â °æÇâÀ» ³ªÅ¸³»¾ú´Ù.
The probabilistic and statistical model is used to estimate the probability of liquefaction potential and pore water pressure build up due to earthquake in fully saturated sand deposit for each case of being structure(anisotropic) or not(isotropic). To execute this paper, dynamic shear strength parameters to show the relationship between shear strength and cyclic loading under isotropic or anisotropic condition in saturated sand deposit are presented. Using these parameters, the program which Predicts Pore water Pressure build up due to earthquake is developed. Using the 3-dimensional Random Field Model considering uncertainty of resistance and strength parameter, the program which computes the probability of liquefaction potential is developed. The developed program is applied to a case study, and then the result shows that the probability of liquefaction in isotropic condition is higher than in anisotropic condition. The ratio of pore water pressure tends to decrease as Kc increases.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.8, no.2, 1992³â, pp.31-44
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199211920444548)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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