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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.9, 2004³â, pp.177-189
ºñ´ëĪ °ø°£ÀÇ ¼öÆòÀÀ·Âºñ »êÁ¤¿¡ µû¸¥ ¼öÆòÀÀ·Â¿¡ °üÇÑ ¿¬±¸
( Horizontal Stress Based on the Calculation of Lateral Stress Ratio in Unsymmetrical Space )
¹®Ã¢¿­;À̼ö±â;±Ç½ÂÁØ; »ïô´ëÇб³ Åä¸ñ°øÇаú;»ïô´ëÇб³ Åä¸ñ°øÇаú;»ïô´ëÇб³ Åä¸ñ°øÇаú;
 
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µÇ¸Þ¿òµÇ´Â °ø°£ÀÇ Çü»óÀº ÇöÀåÀÇ ¿©°Ç¿¡ µû¶ó ¼öÁ÷ ¹× ´ëĪ °æ»ç ¶Ç´Â ºñ´ëĪ °æ»ç¸¦ Æ÷ÇÔÇÏ´Â ´Ù¾çÇÑ ÇüŸ¦ ÃëÇÒ ¼ö ÀÖ´Ù. Kellogg(1993)´Â ´ëĪÀûÀ¸·Î °æ»çÁø µÇ¸Þ¿ò °ø°£¿¡¼­ÀÇ ÀÀ·ÂÀº ¼öÁ÷ÇÑ Á¶°Ç¿¡¼­ÀÇ ÀÀ·Â°ú´Â ´Ù¸¥ °æ°è Á¶°ÇÀ̹ǷΠÀ̸¦ °í·ÁÇÑ µÇ¸Þ¿ò Åä¾Ð À̷нİú ¼öÆòÀÀ·Âºñ¸¦ Á¦¾ÈÇÏ¿´´Ù. Kellogg(1993)´Â °æ»çÁø º®¸é¿¡¼­ ¹ß»ýµÇ´Â ÀÀ·ÂÀ» µÇ¸Þ¿ò ÈëÀÇ ´Ü¼øÇÑ ³»ºÎ¸¶Âû°¢À¸·Î °¡Á¤ÇÏ¿´´Ù. ÀÌ¿¡ ¹®(1997)Àº °æ»çÁø º®¸é¿¡¼­ÀÇ ÀÀ·ÂÀÇ »óÅ´ º®¸é¸¶Âû°ú ÁÖÀÀ·ÂÀÇ È¸Àü¹æÇâ¿¡ µû¶ó ´Þ¶óÁú °ÍÀ» ¿¹»óÇÏ¿© µÇ¸Þ¿ò °ø°£ÀÌ ºñ´ëĪÀ¸·Î Çü¼ºµÇ´Â °æ¿ì, ±âÁ¸ÀÇ Kellogg(1993) À̷нĿ¡ ´ëÇÑ ¼öÁ¤ Kellogg À̷нÄÀ» Á¦¾ÈÇÑ ¹Ù ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ºñ´ëĪÇÑ µÇ¸Þ¿ò °ø°£ÀÇ ¼öÆòÀÀ·ÂÀ» ¹®(1997)ÀÇ ¼öÁ¤ Kellogg À̷нĿ¡ ±âÁ¸ Kellogg(1993)ÀÇ ¼öÆòÀÀ·Âºñ¸¦ Àû¿ëÇÑ °æ¿ì¿Í ºñ´ëĪÀÎ ÁÂ, ¿ìÃøÀÇ µÇ¸Þ¿ò °æ»ç¸¦ °í·ÁÇÑ Æò±Õ ¼öÆòÀÀ·Âºñ¸¦ Àû¿ëÇÑ °æ¿ì¿¡ ´ëÇÏ¿© ½Ç³»¸ðÇü ÅäÁ¶½ÇÇè°ú ¼öÄ¡ÇØ¼®À¸·Î ºñ±¸ °ËÅäÇÏ¿´´Ù. °á°ú¿¡ ÀÇÇÏ¸é ¼öÁ¤µÈ Kellogg À̷нĿ¡ Kellogg(1993)ÀÇ ´ëĪÇÑ Á¶°Ç¿¡¼­ÀÇ ¼öÆòÀÀ·Âºñ¸¦ ºñ´ëĪÇÑ Á¶°Ç¿¡ Àû¿ë½Ãų °æ¿ì °æ»çÁø º®¸é¿¡¼­ÀÇ ¼öÆòÀÀ·ÂÀº ½ÇÇè, ¼öÄ¡ÇØ¼® °á°ú¿¡ ¸Å¿ì À¯»çÇÑ ¾ç»óÀ» º¸À̰í ÀÖÀ¸³ª º¸´Ù ¼öÁ÷ÇÑ º®¸é¿¡¼­ÀÇ ¼öÆòÀÀ·ÂÀº ±× Å©±â°¡ ½ÇÇè, ¼öÄ¡ÇØ¼®ÀÇ °á°ú¿Í´Â »óÀÌÇÑ °á°ú¸¦ º¸¿´´Ù. ÇÑÆí ºñ´ëĪ °æ»ç¸é ÁÂ, ¿ìÃøÀÇ Æò±Õ¼öÆòÀÀ·Âºñ¸¦ ¼öÁ¤ Kellogg À̷нĿ¡ Àû¿ëÇÏ¿´À» °æ¿ì¿¡´Â º¸´Ù ¼öÁ÷ÇÑ ¸é¿¡¼­ÀÇ ¼öÆòÀÀ·ÂÀº ½ÇÇè ¹× ¼öÄ¡ÇØ¼® °á°ú¿Í ¸Å¿ì À¯»çÇÑ °á°ú¸¦ ³ªÅ¸³Â´Ù. ÀÌ·¯ÇÑ °á°ú´Â µÇ¸Þ¿ò °ø°£ÀÌ ºñ´ëĪ Á¶°ÇÀ» Çü¼ºÇÏ´Â °æ¿ì¿¡´Â ÁÂ, ¿ìÃø º®¸é °æ»ç¿¡ ´ëÇÑ Æò±Õ ¼öÆòÀÀ·ÂºñÀÇ Àû¿ëÀÌ °í·ÁµÇ¾îÁ®¾ß ÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.·Î ±¸¸Å¸¦ Çϱ⵵ ÇÏ¿´À¸¸ç, ½Å¿ëÄ«µå¸¦ ¼Òºñ¿¡¸¸ »ç¿ëÇÏ´Â °æÇâÀÌ ÀÖ´Â »ç¶÷Àº ÆÐ¼ÇÁöÇâÀûÀ̰ųª ¼ø¼öÇÑ Ãæµ¿¿¡ ÀÇÇÑ ±¸¸ÅÇൿÀ» ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸´Â Çѱ¹°ú ¹Ì±¹ÀÇ ±¹°¡°£ ºñ±³¿¬±¸·Î ´ëÇлýµéÀÇ Ãæµ¿±¸¸ÅÇൿ°ú ½Å¿ëÄ«µå»ç¿ë¿¡¼­ ±¹°¡°£ À¯»ç¼º°ú Â÷À̰¡ ÀÖÀ½À» ¹àÇôÁÜÀ¸·Î½á ±¹³»¿Ü ¸¶ÄÉÅ͵鿡°Ô À¯¿ëÇÑ Á¤º¸¸¦ Á¦°øÇØ ÁØ´Ù.Àû ºñ±³¿¡ ´ëÇÑ Åë°èÀû Ÿ´ç¼ºÀÇ ±âÃʸ¦ ¸¶·ÃÇÏ¿´´Ù´Âµ¥ ÀÇÀǰ¡ ÀÖ´Ù.°¡Áö°í ÀÖ´Â Áö È®ÀÎÇϱâ À§ÇØ »ç¶÷ ¹æ±¤ À¯·¡ÀÇ T-24¼¼Æ÷¿Í Àå³» Ç¥ÇÇ À¯·¡ÀÇ Caco-2¼¼Æ÷¿¡ ´ëÇÑ ºÎÂø´ÉÀ» ½ÃÇèÇÏ¿´À» ¶§, 16±ÕÁÖ$(42.1%)$°¡ T-24¹æ±¤ ¼¼Æ÷¿¡, ±×¸®°í 17±ÕÁÖ$(44.7%)$°¡ Caco-2Àå¼¼Æ÷¿¡ ´ëÇØ °­ÇÑ ºÎÂø´ÉÀ» ³ªÅ¸³»¾ú´Ù. ƯÈ÷ 11±ÕÁÖ$(28.9%)$´Â µÎ ¼¼Æ÷ ¸ðµÎ¿¡ °­ÇÑ ºÎÂø´ÉÀ» °¡Áö°í ÀÖ¾ú´Ù. Filter mating method¸¦ ¼öÇàÇÏ¿© ÀÌµé ±ÕÁÖµéÀÇ µ¶¼Ò »ý»ê À¯ÀüÀÚ¿Í Ç×»ýÁ¦ ³»¼º À¯ÀüÀÚ°¡ »ç¶÷¿¡¼­ ºÐ¸®µÈ ±ÕÁÖ·Î Àü´ÞµÇ´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. º» ½ÇÇèÀÇ °á°ú´Â ¼³»ç Áß»óÀ» ³ªÅ¸³»´Â µÅÁö·ÎºÎÅÍ ºÐ¸®µÈ ¿ëÇ÷¼º E. coliÀÇ µ¶¼º°ú ¼¼Æ÷ ºÎÂø´É·Â, ±×¸®°í Ç×»ýÁ¦ ³»¼º°£ÀÇ »óÈ£ ¿¬°ü¼ºÀ» º¸¿©ÁÖÁö ¾Ê¾ÒÀ¸³ª µ¿¹° ºÐ¸® ¼¼±ÕÀÇ Ç×»ýÁ¦ ³»¼º°ú µ¶¼Ò »ý»ê ´É·ÂÀÌ À¯ÀüÀÚ Àü´ÞÀ» ÅëÇØ¼­ »Ó¸¸ ¾Æ´Ï¶ó ¼¼±ÕÀÇ Á÷Á¢ Á¢ÃË¿¡ ÀÇÇØ¼­µµ ÀÎü·Î Àü´ÞµÉ ¼ö ÀÖ´Â °ÍÀ» º¸¿©ÁÖ´Â °ÍÀÌ´Ù.´Ù. º» ¿¬±¸¸¦ Åä´ë·Î Àå½Ã°£ÀÇ Ã¼¿Ü¼øÈ¯¿¡¼­´Â ½ÅÀå±â´ÉÀ» ´ëÇ¥ÇÏ´Â ¼öÄ¡µé¿¡µµ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖÀ¸¸®¶ó ¿¹»óµÇ¸ç, ½ÅÀå À̿ܿ¡ ´Ù¸¥ ÁÖ¿ä Àå±â¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇÑ ¿¬±¸¸¦ ´õ ÁøÇàÇÒ Çʿ䰡 ÀÖÀ» °ÍÀ¸·Î »ý°¢ÇÑ´Ù.¿¹Ãø ÀÎÀÚ°¡ µÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù.ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.%$ÀÇ ¹«±â¹°Áú(Zeolite)ÀÌ Ã·°¡µÇ¾î
The backfilled space carl have various shapes such as vertical or lateral symmetric, unsymmetric slope depending on field conditions. Kellogg (1993) suggested the different equations for the backfill earth pressure and the lateral stress ratio considering that the stresses are different between the symmetrically sloped backfilled space and the vertical one. Kellogg (1993) assumed the stress generated on sloped wall surface as the simple internal friction angle of backfilled soil. However, Moon (1997) suggested modified Kellogg equation assuming that stress behavior in the sloped wall will be varied according to the rotation angle of principal stress and the friction of sloped wall surface. This study has compared and investigated the horizontal stresss of unsymmetrical backfilled space numerically and experimentally obtained when Kellogg lateral stress ratio is appled to and when average lateral stress ratio considering unsymmetric backfill slop of left and right are applied to the modified Kellogg equation. It is shown that the horizontal stress on the sloped wall has good match numerically and experimentally in the modified Kellogg equation when Kellogg's lateral stress ratio in symmetric condition is applied to the unsymmetric condition. But the horizontal stress on the vertical wall shows disagreement numerically and experimentally. The horizontal stress results in good agreement numerically and experimentally when the average lateral stress ratio of left and right at unsymmetric slop as applied to the modified Kellogg equation. Therefore, it is estimated that the application of the average lateral stress ratio to the left and right wall should be considered when backfilled space formed unsymmetric conditions.
 
Ű¿öµå
Average lateral stress ratio;Horizontal stress;Soil box test;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.9, 2004³â, pp.177-189
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200430710459467)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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