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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.9, 2004³â, pp.65-75
´ÙÁüÅäÀÇ ´ÙÀÏ·¯ÅϽà Ư¼ºÀ» °í·ÁÇÑ ¿ª°æ»çÇü Åä¸ñ¼¶À¯ º¸°­Åä ±¸Á¶¹°ÀÇ ÆÄ±« °Åµ¿ ºÐ¼®
( A Study on the Failure Behavior of Overhanging Geosynthetic-Reinforced Soil Structure Considering Dilatancy Characteristics of Compacted Soil )
±èÀº¶ó;°­È£±Ù; ÀüºÏ´ëÇб³ Åä¸ñ°øÇаú °ø¾÷±â¼ú¿¬±¸¼¾ÅÍ;°æ»ó´ëÇб³ ±â°èÇ×°ø°øÇкÎ, ÇØ¾ç»ê¾÷¿¬±¸¼Ò;
 
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º» ¿¬±¸´Â Åä¸ñ¼¶À¯ º¸°­Åä ±¸Á¶¹°ÀÇ º¸°­ ¸ÞÄ«´ÏÁòÀ» ±Ô¸íÇϰíÀÚ ÇÏ´Â ¸ñÀûÀ¸·Î ½Ç½ÃÇÏ¿´À¸¸ç, ¿©±â¼­ º¸°­ ¸ÞÄ«´ÏÁòÀº Àü´Ü¿¡ ÀÇÇÑ ´ÙÁüÅäÀÇ Ã¼Àû ÆØÃ¢(ºÎÀÇ ´ÙÀÏ·¯ÅϽÃ)À» Åä¸ñ¼¶À¯¿¡ ÀÇÇØ ±¸¼Ó ¾ïÁ¦ÇÏ´Â °úÁ¤¿¡¼­ »ý¼ºµÇ´Â È¿°ú·Î °£ÁÖÇϰí ÀÖ´Ù. ½Ç¹° ÇöÀå½ÃÇèÀº ÀϺ» Kanazawa(1994)¿¡¼­ ½Ç½ÃÇßÀ¸¸ç, ½Ç³»½ÃÇèÀ¸·Î´Â µîüÀû Àü´Ü½ÃÇèÀ» ½Ç½ÃÇÏ¿© °­µµ ¹× º¯ÇüƯ¼ºÀ» Á¶»çÇÏ¿´°í, ½ÃÇè°á°ú¸¦ ÀÌ¿ëÇÏ¿© À¯ÇÑ¿ä¼ÒÇØ¼®¿¡ ÇÊ¿äÇÑ Àç·á ÆÄ¶ó¸ÞŸ¸¦ °áÁ¤ÇÏ¿´´Ù. ¶ÇÇÑ, ź¼Ò¼º À¯ÇÑ¿ä¼Ò ÇØ¼®À» ½Ç½ÃÇÏ¿© ÀÌ·ÐÄ¡¿Í ½ÇÇè °á°úÄ¡¸¦ Á¤·®ÀûÀ¸·Î ºñ±³ ºÐ¼®µÇ¾úÀ¸¸ç, ±× °á°ú À¯ÇÑ¿ä¼Ò ÇØ¼®ÀÌ ÇöÀå ½ÃÇèÀ» À¯¿ëÇÏ°Ô ¼³¸íÇÒ ¼ö ÀÖ´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
In this paper, a mechanism of the soil structure reinforced by geosynthetics is discussed. The reinforcing mechanism is interpreted as an effect arising from the reinforcement works preventing the dilative deformation (negative dilatancy) of soil under shearing. A full-scale in-situ model test was carried out in Kanazawa of Japan (1994), and in the laboratory test the strength and the characteristics of deformation conducting a constant volume shear test are examined. The parameters needed in the FEM are also applied by using the experimental data. The elasto-plastic finite element simulation is carried out, and the results are quantitatively compared with that of experiment. As a results, it is known that the theoretical predictions could explain effectively the experimental results which are obtained by a full-scale in-situ model test.
 
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Compacted soil;Elasto-plastic modeling;FEM;Geosynthetic-reinforcement;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.9, 2004³â, pp.65-75
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200430710459040)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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