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Çѱ¹Áö¹Ý°øÇÐȸ / v.5, no.2, 1989³â, pp.33-44
¹«ÇÑ¿ä¼Ò¸¦ ÀÌ¿ëÇÑ Áö¹Ý ±¸Á¶¹° »óÈ£ÀÛ¿ëÀÇ È®·ü·ÐÀû ÇØ¼®
( A Probabilistic Analysis of Soil-Structure Interaction Using Infinite Elements )
ÀÌÀθð;³ëÇѼº; Á¤È¸¿ø, °í·Á´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Çѱ¹µµ·Î°ø»ç µµ·Î¿¬±¸¼Ò ¿¬±¸¿ø;
 
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º» ³í¹®¿¡¼­´Â ÁöÁøÇÏÁ߽ÿ¡ ¿øÀڷ±¸Á¶¹°¿¡ ¹ß»ýµÇ´Â Áö¹Ý-¿øÀÚ·Â ±¸Á¶¹°ÀÇ È®·ü·ÐÀû µ¿Àû»óÈ£ÀÛ¿ë¿¡ ´ëÇÏ¿© ¿¬±¸ÇÏ¿´´Ù. »óÈ£ÀÛ¿ë ÇØ¼®¿¡´Â Á֯ļö ¿µ¿ª¿¡¼­ ÇØ¼®ÇÏ´Â Complex Response Method ¸¦ »ç¿ëÇÏ¿´À¸¸ç, Áö¹ÝÀÇ Near Field ÇØ¼®¿¡´Â À¯ÇÑ¿ä¼Ò¹ýÀ» ¶ÇÇÑ Far FieldÀÇ °í·Á¿¡´Â ¿©·¯ Àü´Þ °æ°è¹æ¹ýÁß ¹«ÇÑ¿ä¼Ò¸¦ Çü¼ºÇÏ¿© ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. ƯÈ÷ ±¸Á¶µé ÇϺÎÀÇ Áö¹ÝÀÇ ¹«ÀÛÀ§¼ºÀ»°í·ÁÇÏ ±â À§ÇÏ¿© ºñÈ®Á¤·ÐÀû ÇØ¼®¹æ¹ýÀ» ¼öÇàÇÏ¿´´Ù. Áö¹ÝÀÇ Á¦¹Ý ParameterµéÀÇ ºÒÈ®Á¤¼ºÀÌ ±¸Á¶¹°ÀÇ °Å µ¿¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇϱâ À§ÇÏ¿© ¹Î°¨µµ ÇØ¼®À» ¼öÇàÇÏ¿´À¸¸ç, ºñÈ®Á¤·ÐÀû ÇØ¼®¹æ¹ýÀ¸·Î´Â Perturbation ¹æ¹ý°ú RosenbluethÀÇ Tlvo-point Estimate ¹æ¹ý °¢°¢À» ÀÌ¿ëÇÏ¿© ÇÁ·Î±×·¥À» °³¹ßÇÏ ¿´À¸¸ç µÎ ¹æ¹ýÀÇ °á°ú¿¡ ´ëÇÑ ºñ±³ °ËÅ並 ÇÏ¿´´Ù. ¹Î°¨µµ ÇØ¼® °á°ú Áö¹ÝÀÇ ºÒÈ®Á¤¼ºÀÌ ±¸Á¶¹°ÀÇ °Åµ¿¿¡ »ó´çÈ÷ Å« ¿µÇâÀ» ¹ÌÄ¡°Ô µÊÀ» ¾Ë ¼ö ÀÖ¾úÀ¸¸ç, »ó±âÇÑ µÎ ¹æ¹ý¿¡ ÀÇÇÑ ¿¹Á¦Çؼ® °á°ú°¡ ¸¸ Á·ÇÒ ¸¸Å­ ÀÏÄ¡ÇÏ´Â °á°ú¸¦ º¸ÀÓÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
In this paper, uncertainties in dynamic soil structure interaction (SSI) of nuclear poi.or plants subjected to seismic loading are studied considering the random characteristics of soils surround- ing the structure. Firstly sensitivity analysis is performed to study the effect of uncertain dynamic soil properties on the response of the structure. Secondly, to take into account the non-neterministic characteristics in analysis caused by random characteristics of the soil properties, Perturbation method and Rosenblueth's Two point estimates were used for this studu. The procedure is based on the comptex response method which is constituted by a combined usage of conventional finite elements for the near field and infinite elements for the far field. Results of the sensitivity analysis show that dynamic soil properties greatly affect the response of the sol.uc- lure. Results of the probabilistic analysis show that the Two-point estimate method produces good agreements with the Perturbation method.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.5, no.2, 1989³â, pp.33-44
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198911920443588)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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