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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.12, 2007³â, pp.117-124
Newmark-¹æ½Ä °­Ã¼ºí·° º¯À§Çؼ®¿¡ ´ëÇÑ À¯¿¬µµÀÇ ¿µÇâ
( EFFECT OF COMPLIANCE ON NEWMARK-TYPE RIGID BLOCK DEFORMATION ANALYSIS )
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ÁöÁøÀ¸·Î ÀÎÇØ »ç¸é¿¡ ¹ß»ýÇÑ ¿µ±¸Àû º¯Çü °è»ê½Ã °í·ÁµÈ °ø°£Æò±Õ°ú À¯¿¬µµÀÇ ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. ÇöÀç º¯À§°è»ê¿¡´Â NewmarkÀÌ Á¦¾ÈÇÑ °­Ã¼ºí·°Çؼ®±â¹ýÀÌ ÀÌ ±â¹ýÀÇ È¿À²ÀûÀÎ °è»ê´É·ÂÀ¸·Î ÀÎÇØ ±¤¹üÇÏ°Ô »ç¿ëµÇ°í ÀÖ´Ù. ±×·¯³ª ÀÌ ÇØ¼®±â¹ýÀº ÁöÁøÀÀ´äÇØ¼®°ú º¯À§Çؼ®À» º°µµ·Î ¼öÇàÇÏ´Â ¼ÒÀ§ ºÐ¸®Çؼ®¹ýÀ» äÅÃÇϰí ÀÖ´Ù. ´çÃÊÀÇ Newmark ÇØ¼®±â¹ýÀº Ȱµ¿Åä»ç¸¦ °­¼ºÃ¼·Î °¡Á¤ÇßÀ¸¸ç ÀÌ·Î ÀÎÇÏ¿© ºñº¸¼öÀû °á°ú°¡ µµÃâµÉ ¼ö ÀÖ´Ù´Â ºñÆÇÀ» ¹Þ¾Æ¿Ô´Ù. º» ³í¹®Àº Newmark-Çü½ÄÀÇ ÇØ¼®¿¡¼­ °­¼ºÃ¼ °¡Á¤ÀÇ ¿µÇâÀ» °ËÅäÇÏ¿´´Ù. Ȱµ¿Åä»ç¿¡ ÀÛ¿ëÇÏ´Â ÁöÁøÇÏÁßÀÇ Àüü È¿°ú¸¦ °ø°£Æò±Õ±â¹ýÀ» »ç¿ëÇÏ¿© Æò°¡ÇÏ¿´À¸¸ç ±× °á°ú¸¦ Á֯ļö ¿µ¿ª¿¡¼­ ºÐ¼®ÇÏ¿´´Ù. ÇØ¼®°á°ú·ÎºÎÅÍ È°µ¿Åä»çÀÇ À¯¿¬µµ ¼öÁØÀ» °áÁ¤ÇÏ´Â °æ¿ì »ç¿ëÇÒ ¼ö ÀÖ´Â ´Ü¼øÇÑ ÁöÇ¥¸¦ Á¦½ÃÇÏ¿´´Ù.
This study investigates the effect of spatial averaging and compliance taken account of in the analysis of earthquake-induced permanent deformation of slopes. At present, the rigid block analysis originally proposed by Newmark is widely used in the deformation analysis, mainly because of its computational efficiency. This type of approach, however, adopts the so-called decoupled approach, in which seismic response and deformation analyses are carried out separately. Original Newmark block analysis assumes the potential sliding mass to be noncompliant, and has been criticized to be potentially unconservative. This paper reviews the impact of the noncompliance assumption of the potential sliding mass in the Newmark-type analysis. The gross effects of earthquake shaking on the potential sliding mass are estimated by spatial averaging method and analyzed in frequency domain. The results indicate that there is a simple criterion that can be used to determine the level of compliance of the potential sliding mass.
 
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Compliance;Newmark-Type Analysis;Rigid Block Analysis;Seismic Slope Deformation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.12, 2007³â, pp.117-124
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200706414474238)
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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