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Çѱ¹Áö¹Ý°øÇÐȸ / v.2, no.3, 1986³â, pp.27-36
µÞä¿ò ¸ð·¡ÀÇ ´ÙÁü¿¡ ÀÇÇÑ Åõ¼öÀ̹漺ÀÌ ÁÖµ¿Åä¾Ð¿¡ ¹ÌÄ¡´Â ¿µÇâ
( The Effects of Permeability Anisotropy on the Active Earth Pressure In Compacted Sand Backfill )
Á¤¼º±³;½ÅÁ¾º¸;Àü¿ë¹é; µ¿¾Æ´ëÇб³ °ø°ú´ëÇÐ, Åä¸ñ°øÇаú;µ¿Àǰø¾÷Àü¹®´ëÇÐ Åä¸ñ°øÇаú, ´ë±¸´ëÇб³ À̰ø´ëÇÐ, Åä¸ñ°øÇаú;;
 
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µÞä¿ò ´ÙÁüÇÑ ¿Ëº®¿¡ ÀúÇØ ħÅõºù°¡ ÁÖµ¿Åä¾Ð¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °üÂûÇϱâ À§ÇÏ¿© Ã¥Çè°ú ÀÌ·ÐÇØ¼®¿¡ ÀÇÇÏ¿© ¿¬±¸°¡ ¼öÇàµÇ¾ú´Ù. ´ÙÁü¹æ¹ýÀÌ ¸ð·¡ÀÇ Åõºù¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °üÂûÇϱâ À§ÇÏ¿© Ưº°È÷ °í¾ÈµÈ Á¤¼öµÎ Åõ¼ö½ÃÇèÀåÄ¡¿Í Àü±âÀüµµµµ ÃøÁ¤¹ý¿¡ ÀÇÇÏ¿© ½ÇÇèÀÌ ÇàÇØÁ³´Ù. ½ÇÇè°á°ú, ´ÙÁü¹æ»ó¿¡ Á÷°¢ÀÎ ¹æÇâ°ú ÆòÇàÇÑ ¹æÇâÀÇ Åõ¼ö°è¼öÀÇ ºñ(kz/ky)´Â °ø¼Òºñ¿Í ¹Ý´ë¼ö¹æ¾ÈÁö¿¡¼­ Á÷¼±°ü°è·Î º¸À̰í, »ó´ë¹Ðµµ°¡ 90% À̻󿡼­´Â kz/kyÀÇ °ªÀÌ 2-4·Î ³ªÅ¸³µ´Ù. ÀÌ ¶§ ´ÙÁü¹æ¹ýÀº Åõ¼ö°è¼ö¿¡ º°´Ù¸¥ ¿µÇâÀ» ÁÖÁö ¾Ê¾ÒÀ¸¸ç, ±½Àº ¸ð·¡º¸´Ù °¡´Â ¸ð·¡¿¡¼­ À̹漺ÀÌ Å©°Ô ³ªÅ¸³µ´Ù. À̹漺 ħÅõ°¡ ÁÖµ¿Åä¾Ð¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °üÂûÇϱâ À§ÇÏ¿© È®ÀåµÈ Gray À̷п¡ ½ÇÇè°á°ú¸¦ Àû¿ëÇÏ¿© º¸¾Ò´Ù. kz/kyÀÇ °ªÀÌ Å¬¼ö·Ï ÁÖµ¿Åä¾ÐÀÇ Å©±â´Â ÀÛ¾ÆÁö°í, º®¸é¸¶ÂûÀÇ ¿µÇâÀº Å©Áö ¾Ê¾Ò´Ù.
To investigate the seepage effect on the compacted backfill of retaining walls, an expriment and an analytical study were carried out First, the expriment was performed with a two-way permeameter newly designed for the do- termination on the degree of permeability anisotropy of compacted soils. As a result, e-log(kz/ky) plot showed a linear relationship, where kz and ky were permeability coefficients for the normal and the parallel directions to the compaction. The degree of permeability anisotropy, kz/ky was 2 to 4 at Dr>90% for sands, regardless of the methods of compaction. The kz/ky of the fine sand was greater than that of the coarse sand. Second, the exprimental results were applied to the extention of Gray's theory for the investigation of the active thrust affected by the seepage of permeability anisotropy. The active thrust was decreased with the increase in the degree of permeability anisotropy, and it It.as a little effect on wall friction.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.2, no.3, 1986³â, pp.27-36
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198611920442750)
¾ð¾î : Çѱ¹¾î
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