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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.3, 2010³â, pp.47-57
ÇѰèÇØ¼®À» ÀÌ¿ëÇÑ Åä»ç¸éÀÇ Ç׺¹ÁöÁø°è¼ö »êÁ¤µµÇ¥ Á¦¾È ¿¬±¸
( A Study on the Development of a Stability Chart for Yield Seismic Coefficient of Soil Slope Using Limit Analysis )
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Newmark Ȱµ¿ºí·Ï¹ýÀ» ÀÌ¿ëÇÏ¿© ÁöÁø½Ã Åä»ç¸éÀÇ ¿µ±¸º¯À§¸¦ »êÁ¤ÇÒ °æ¿ì Ç׺¹ÁöÁø°è¼öÀÇ °áÁ¤Àº ¸Å¿ì Áß¿äÇÏ´Ù. ±×·¯³ª ±âÁ¸¿¡ Á¦¾ÈµÈ Ç׺¹ÁöÁø°è¼ö´Â ÀϹÝÀûÀ¸·Î ÇѰèÆòÇüÇØ¼®¿¡ ±âÃÊÇϰí ÀÖ¾î ¿ªÇÐÀûÁ¶°Ç Áß ÆòÇüÁ¶°Ç¸¸À» ¸¸Á·ÇϹǷΠ¿ªÇÐÀûÀ¸·Î ¾ö¹ÐÇÏÁö ¸øÇÏ´Ù. µû¶ó¼­ ±â Á¦¾ÈµÈ Ç׺¹ÁöÁø°è¼ö¸¦ ÀÌ¿ëÇÏ¿© Åä»ç¸éÀÇ ¿µ±¸º¯À§¸¦ »êÁ¤ÇÒ °æ¿ì ¹®Á¦Á¡¸¦ ¾ß±âÇÒ ¼ö ÀÖ´Ù. ÇѰèÇØ¼®Àº ¿ªÇÐÀûÀ¸·Î ¾ö¹ÐÇÑ ÇØÀÇ ¹üÀ§¸¦ »êÁ¤ÇÏ´Â ÇØ¼®±â¹ýÀ¸·Î Ç׺¹ÁöÁø°è¼öÀÇ ¿ªÇÐÀû ¾ö¹Ð¼ºÀ» ÆÇ´ÜÇϴµ¥ À¯¿ëÇÏ´Ù. º» ¿¬±¸¿¡¼­´Â ¾ÈÁ¤¼ö, »ç¸é°æ»ç, Áö¹Ý¹°¼º µî¿¡ µû¸¥ ´Ù¾çÇÑ ÇØ¼®Á¶°ÇÀ» °í·ÁÇÏ¿© ½Ç¹«Àû¿ë¿¡ À¯¿ëÇÑ Ç׺¹ÁöÁø°è¼ö »êÁ¤µµÇ¥¸¦ Á¦¾ÈÇÏ¿´´Ù.
Yield seismic coefficient plays an important role in the estimation of permanent displacement of a soil slope subjected to earthquake using Newmark's sliding block theory. However, yield seismic coefficients currently used in practices are not mechanically rigorous since most of them are estimated using limit equilibrium methods considering equilibrium condition only. Therefore, estimation of permanent displacement of a soil slope based on existing yield seismic coefficient may cause problems. Limit analysis estimating the range of mechanically rigorous solution is thought to be effective in evaluating the validity of existing yield seismic coefficient. In this study, a simple stability chart for yield seismic coefficient useful in practices is proposed by considering various slope conditions including stability number, slope inclination, strength parameters, etc.
 
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Limit analysis;Soil slope;Performance based design;Yield seismic coefficient;Stability chart;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.3, 2010³â, pp.47-57
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201020439056425)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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