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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.1, 2002³â, pp.141-152
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( Verification for the Cyclic Shear Behavior of Rough Granite Joint Using Constitutive Equation )
±è´ë»ó;¹ÚÀÎÁØ;ÀÌÈñ¼®; ÁöÁø°øÇבּ¸¼¾Å¸;ÇѼ­´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;;
 
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¸¹Àº ±¸¼º¹æÁ¤½ÄµéÀÌ Åº¼º, ¼Ò¼º, ±×¸®°í µ¿ÀûÀÀ´ä Ư¼ºÀ» Áö´Ñ Áö¹ÝÀç·áÀÇ °Åµ¿ Ư¼ºÀ» ±Ô¸íÇϱâ À§ÇÏ¿© Á¦¾ÈµÇ¾î ¿Ô´Ù. ±×·¯³ª ¾Ï¹ÝÀÇ Àý¸®¸é ¶Ç´Â Á¢Ã˸éÀÇ ÁÖ±â Àü´Ü °Åµ¿Æ¯¼ºÀ» Á¤ÀÇ ÇÒ ¼ö ÀÖ´Â ¼öÄ¡ÇØ¼® ¸ðµ¨ÀÇ °³¹ßÀº ¹ÌÁøÇÏ¿´´Ù. ÀÌ·± ½ÇÁ¦ÀûÀÎ ±¸¼º ¹æÁ¤½Ä ¸ðµ¨Àº µ¿ ÇÏÁßÇÏÀÇ ¾Ï¹Ý Àý¸®¸éÀÇ °Åµ¿À» ¿¹ÃøÇϰí ÇØ¼®Çϴµ¥ ¸Å¿ì Áß¿äÇÑ ¿ªÇÒÀ» ÇÒ °ÍÀÌ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº °ÅÄ£ È­°­¾Ï Àý¸®¸éÀÇ °Åµ¿Æ¯¼ºÀ» ¸ðµ¨¸µ ÇÒ ¼ö ÀÖµµ·Ï ¼öÁ¤µÈ ±¸¼º¹æÁ¤½Ä ¸ðµ¨ÀÇ Àû¿ë¼ºÀ» °ËÅäÇϴµ¥ ÀÖ´Ù. ±³¶õ»óÅ °³³ä(DSC) ¸ðµ¨Àº ÀÌ¹Ì ´Ù¸¥ Á¢ÃË¸é °Åµ¿ ¸ðµ¨¸µÀ» ÅëÇØ¼­ ±× ½Å·Ú¼ºÀ» °ËÁõ ¹Þ¾Æ¿Ô´Ù. ÀÌ ¸ðµ¨À» ¾Ï¹Ý Àý¸®¸é °Åµ¿ Ư¼º¿¡ ¸Âµµ·Ï ¼öÁ¤ÇÑ ÈÄ¿¡, ÁÖ±âÀü´Ü ½ÃÇè °á°ú ¹× Plesha¸ðµ¨ÀÇ ÇØ¼® °á°ú¸¦ ÀÌ¿ëÇÏ¿© DSC¸ðµ¨ÀÇ Àý¸®¸é ÁÖ±â Àü´Ü Ư¼º¿¡ ´ëÇÑ Àû¿ë¼ºÀ» ºñ±³.°ËÅäÇϰíÀÚ ÇÑ´Ù. º» ¿¬±¸°á°ú·ÎºÎÅÍ DSC¸ðµ¨Àº µ¿ÇÏÁßÇÏÀÇ °ÅÄ£ È­°­¾Ï Àý¸®¸éÀÇ ÁÖ±âÀü´Ü °Åµ¿Æ¯¼ºÀ» ±Ô¸íÇÒ ¼ö ÀÖ´Ù°í ÆÇ´ÜµÈ´Ù.
Although a number of constitutive models have been proposed to define the behavior of geotechnical materials including elastic, plastic, and dynamic response, flew numerical models have been developed for the cyclic shear behavior of rock joints or interfaces. Such realistic constitutive models play an important role in analyzing and predicting the response of joints under dynamic loads. The purpose of this research is to verify the constitutive model modified for rough granite joints based on Disturbed State Concept(DSC) model, which has been successfully verified with respect to other materials such as dry sand-steel interface and wet sand-concrete interface. Furthermore, DSC model is compared and verified with respect to cyclic shear tests and numerical analysis results based on Plesha model. Based on the results of this research, it can be stated that DSC model is capable of characterizing the cyclic shear behavior of rough granite joints under dynamic loads.
 
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Constitutive model;Cyclic shear behavior;Disturbed state concept model;Rough granite joints;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.1, 2002³â, pp.141-152
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921044061)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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