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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.10, 2005³â, pp.85-97
Æò¸éº¯Çü¾ÐÃà½ÃÇèÀ» ÀÌ¿ëÇÑ º¸°­ÅäÀÇ ½Ã°£ ÀÇÁ¸Àû º¯Çü Ư¼º ¿¬±¸
( Time-Dependent Deformation Characteristics of Geosynthetic-Reinforced Soil Using Plane Strain Compression Tests )
À¯Ãæ½Ä;±è¼±ºó;À̺À¿ø; ¼º±Õ°ü´ëÇб³ Åä¸ñ°øÇаú;¼º±Õ°ü´ëÇб³ Åä¸ñ°øÇаú;¼º±Õ°ü´ëÇб³ Åä¸ñ°øÇаú;
 
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º¸°­Åä ±¸Á¶¹°Àº ±×µ¿¾ÈÀÇ ´Ù¾çÇÑ ºÐ¾ß¿¡¼­ÀÇ Àû¿ëÀ» ÅëÇØ ±âÁ¸ÀÇ ¿Ëº®±¸Á¶¹°ÀÇ ´ëü °ø¹ýÀ¸·Î¼­ ±× Àû¿ë¼ºÀ» ÀÎÁ¤¹Þ°í ÀÖ´Ù. ÃÖ±Ù µé¾î ±³´ë ¹× öµµ ½Ã¼³ µî¿¡ Àû¿ëµÊ¿¡ µû¶ó ´Ü±âÀûÀÎ ¾ÈÁ¤¼º À̿ܿ¡ Àå±âÀûÀ¸·Î Áö¼ÓÇÏÁß È¤Àº ¹Ýº¹ÇÏÁß¿¡ ³ëÃâµÊ¿¡ µû¸¥ Àå±â°Åµ¿¿¡ ´ëÇÑ ¿¬±¸ÀÇ Çʿ伺ÀÌ ³ô¾Æ°¡°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÀÌ·¯ÇÑ ¿¬±¸ÀÇ Çʿ伺¿¡ ±Ù°ÅÇÏ¿© º¸°­Åäü¿¡ ¹ß»ýÇÒ ¼ö ÀÖ´Â Àå±âº¯Çü Ư¼º °íÂû¿¡ ÁÖ¾ÈÁ¡À» µÎ°í ¿ì¸®³ª¶ó¿¡¼­ »ý»êµÇ´Â Áö¿À±×¸®µå¿Í È­°­Ç³È­Åä·Î Çü¼ºµÈ º¸°­Åä¿¡ ´ëÇÑ Áö¼ÓÇÏÁß È¤Àº ¹Ýº¹ÇÏÁß µî ´Ù¾çÇÑ ÇÏÁßÀ̷¿¡ ´ëÇÑ º¸°­Åä ±¸Á¶¹°ÀÇ Àå±â º¯Çü Ư¼º ¸ÞÄ«´ÏÁòÀ» Æò¸éº¯Çü¾ÐÃà(plane strain compression; PSC)½ÃÇèÀ» ÅëÇØ °íÂûÇÏ¿´´Ù. ±× °á°ú º¸°­ÅäÀÇ ½Ã°£ ÀÇÁ¸Àû ¾ÐÃຯÇüÀº º¸°­Åäü¿¡ ÀÛ¿ëÇÏ´Â ÇÏÁß Æ¯¼º»Ó¸¸ ¾Æ´Ï¶ó º¸°­ÀçÀÇ ¿ªÇÐÀû Ư¼º¿¡µµ ¸¹Àº ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ¼±ÇàÇÏÁßÀ» ÀÛ¿ëÇÔÀ¸·Î½á ½Ã°£ ÀÇÁ¸Àû ÀÜ·ùº¯ÇüÀ» Á¦¾îÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù.
Despite a number of advantages of reinforced earth walls over conventional concrete retaining walls, there exist concerns over long-term residual deformation when subjected to repeated and/or cyclic loads, especially when used as part of permanent structures. In view of these concerns, in this paper time-dependent deformation characteristics of geosynthetic reinforced soil under sustained and/or repeated loads were investigated using a series of plane strain compression tests on geogrid reinforced weathered granite soil specimens. The results indicate that sustained or repeated loads can yield appreciable magnitudes of residual deformations, and that the residual deformations are influenced not only by the loading characteristics but by the mechanical properties of geogrid. It is also found that the preloading technique can be effectively used in controlling residual deformations of reinforced soils subjected to sustained and/or repeated loads.
 
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Geosynthetic;Plane strain compression test;Reinforced earth;Reinforced soil retaining wall;Repeated load;Sustained load;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.10, 2005³â, pp.85-97
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200509408734914)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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