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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.2, 2003³â, pp.123-133
ÁöÁøÀ¸·Î ÀÎÇÑ »ç¸éº¯À§ ÇØ¼® ½Ã Áö¹Ý¼ºÁú ¸ðµ¨ÀÇ Á߿伺
( The Importance of Geotechnical Variability in the Analysis of Earthquake-induced Slope Deformations )
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»ç¸é¾ÈÁ¤ ½Å·Ú¼º ÇØ¼®À» ÅëÇØ ´Ù¾çÇÑ ºÒÈ®½Ç¼ºÀ» ü°èÀûÀ¸·Î ¸ðµ¨¸µÇÒ ¼ö ÀÖ´Â ½Ç¿ëÀû ÀÎ È®·üÅë°è ±â¹ýÀ» Á¦½ÃÇÑ´Ù. »õ·Î¿î Á¦¾È½ÄÀº, Áö¹Ý¼ºÁúÀÇ È®·üÀû Ư¼ºÈ­¸¦ À§ÇØ °ø°£Àû º¯È­¿Í °ø°£Æò±ÕÀ¸·Î ÀÎÇÑ ºÐ»ê°¨¼Ò»Ó¸¸ ¾Æ´Ï¶ó Åë°è ¹× ÃøÁ¤¿ÀÂ÷±îÁöµµ °í·ÁÇÏ¿´´Ù. ÁöÁøÇÏÁßÀÇ ºÒÈ®½Ç¼ºÀº ÀΰøÁöÁøÆÄ¸¦ ´ë·®À¸·Î »ý¼ºÇϰí À̸¦ ÀÀ´äÇØ¼®¿¡ ÀÌ¿ëÇÔÀ¸·Î½á ¹Ý¿µÇÏ¿´´Ù. ¿¹Á¦ ÇØ¼®°á°ú, Çѹݵµ¿Í °°ÀÌ ÁöÁøÀÌ È°¹ßÇÏÁö ¾ÊÀº Áö¿ª(Áß¾àÁø ÁöÁø´ë)¿¡¼­´Â ÀϹÝÀû ¼öÁØÀÇÁö¹Ý¼ºÁú º¯È­Æ¯¼ºÈ­°¡ ÁöÁøÀ§Çèµµ Ư¼ºÈ­¸¸Å­À̳ª »ç¸é ÆÄ±« À§Çèµµ¿Í °úµµÇÑ »ç¸éº¯Çü °è»ê°ª¿¡ ¿µÇâÀ» Áشٴ °á·Ð¿¡ µµ´ÞÇÏ¿´´Ù.
A practical statistical approach that can be used to model various sources of uncertainty systematically is presented in the context of reliability analysis of slope stability. New expressions for probabilistic characterization of soil properties incorporate sampling and measurement errors, as well as spatial variability and its reduced variance due to spatial averaging. The stochastic nature of seismic loading is studied by generating a large series of hazard-compatible artificial motions, and by using them in subsequent response analyses. The analyses indicate that in a seismically less active region such as the Korean Peninsular, a moderate variability in soil properties has an effect as large as the characterization of earthquake hazard on the computed risk of slope failure and excessive slope deformations.
 
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Artificial ground motion;Earthquake;Probabilistic analysis;Slope deformation;Spatial variability;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.2, 2003³â, pp.123-133
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921640770)
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