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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.3, 2006³â, pp.13-21
¿¬¾àÇÑ Áؼ³Á¡Åä»ó ¸Å¸³½Ã Æ÷¼³µÈ PET ¸ÅÆ®¿Í Áö¹Ý°Åµ¿¿¡ °üÇÑ ¿¬±¸
( A Study on Interaction Behaviors of Soil-PET Mat installed on Dredged Soils )
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Åä¸ñ¼¶À¯¸¦ Åä¸ñ°øÇп¡ Àû¿ëÇÑ ÀÌÈÄ Åä¸ñ¼¶À¯ÀÇ ¼Õ»ó¿¡ ´ëÇÏ¿© ¸¹Àº °ü½ÉÀÌ µÇ¾î¿Ô´Ù. ÀÌ ³í¹®¿¡¼­´Â ½ÃÇè½Ã°øÀ» 3ÁöÁ¡¿¡¼­ ¼öÇàÇߴµ¥ ¸ñÀûÀº ¿¬¾àÇÑ Á¡ÅäÁö¹Ý»ó¿¡¼­ º¸°­ÀçÀÇ °Åµ¿À» Á¶»çÇÏ°í ¸Å¸³½Ã ÃÖÀûÀÇ ½Ã°ø¹æ¹ý·ÐÀ» ã±âÀ§ÇÑ °ÍÀÌ´Ù. ÀÌ ½ÃÇè½Ã°ø¿¡ »ç¿ëµÈ Æú¸®¿¡½ºÅ׸£¸ÅÆ®(ÀÎÀå°­µµ 15Åæ)ÀÇ ºÀÇպκÐÀÌ ¿øÈ£È°µ¿ »ç¸éÆÄ±«·Î ÀÎÇÏ¿© ÆÄ±«µÇ¾ú´Âµ¥ ÀÌ´Â ±Þ°ÝÇÑ ¼ºÅä·Î ÀÎÇØ °úÀ×°£±Ø¼ö¾ÐÀÌ ¹ß»ýÇÏ¿© ÇÏÁßÀÌ Áõ°¡Ç߱⠶§¹®ÀÌ´Ù. ¸ÅÆ®ÀÇ ÀÎÀå ÆÄ¿­ÀÌ ÁøÇàµÇ´Â Áö¹Ý °Åµ¿ Áß ¼ºÅä°í·Î À¯¹ßµÉ ¼ö ÀÖ´Â °£±Ø¼ö¾Ðº¸´Ù Å« °£±Ø¼ö¾ÐÀÌ ÃøÁ¤µÇ¾ú´Âµ¥, ƯÈ÷ ÁöÇ¥ÇÏ 5m ±íÀÌ¿¡¼­´Â Àå±â°£¿¡ °ÉÃÄ °£±Ø¼ö¾ÐÀÌ Áõ°¡ÇÏ¿´´Ù. ÀÌ·¯ÇÑ °á°ú¸¦ ÀÌ¿ëÇÏ¿© ¼ºÅä°í¿Í ¿¬¾àÁ¡ÅäÀÇ À¶±â°Åµ¿ÀÇ °ü°è¿¡ ´ëÇÏ¿© °ËÅäÇÏ¿´´Ù.
Geosynthetic damage has attracted a major attention since the introduction of geotextiles for civil engineering applications. In this study 3 pilot trial embankments were carried out to investigate the behaviours of reinforced embankments over soft cohesive soils and to find the optimum methodology of embankments over soft soils. As the seamed part of polyester mat (PET, tensile strength 15 ton) used in the first full-scale field test was ruptured under progressing rotational slope failure because of unexpectedly rapid construction of embankments, the excessive pore water pressures were measured. On the soil behavior where tension explosion of mat was continued, pore pressure larger than the one caused by embankment height was measured. Especially, at the depth of 5.0 m under the ground pore pressure increased over long term. It was discussed with respect to the height of embankment and heaving behavior of soft soils.
 
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Embankment;Geosynthetics;Heaving;PET mat;Pore water pressure;Soft soils;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.3, 2006³â, pp.13-21
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200622219289063)
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