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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.4, 2010³â, pp.15-26
ÆóŸÀÌ¾î ÆÄ¿ì´õ È¥ÇÕÅäÀÇ µ¿»ó Ư¼º
( Frost-Heaving Characteristics of Soil Mixed with Discarded Tire Powder )
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ÆóŸÀÌ¾î ÆÄ¿ì´õ È¥ÇÕ¿¡ µû¸¥ µ¿»ó¾ïÁ¦ ¸ÞÄ¿´ÏÁòÀ» ±Ô¸íÇϱâ À§ÇØ, ºÎµ¿¼ö, ¿­ÀüµµÀ², µ¿»ó½ÇÇè µî 3Á¾·ùÀÇ ½Ç³»½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­´Â ÆóŸÀ̾î È¥ÇÕ¿¡ µû¸¥ Åõ¼ö°è¼ö º¯È­¿¡ ÁÖ¸ñÇÏ¿© ¸ÕÀú ¸¶µ¿°áÅäÀÇ ºÒÆ÷È­ Åõ¼ö°è¼ö¸¦ °è»êÇÏ¿´°í ice-impeding factor, È¥ÇÕÅä³» Å丳ÀÚ¿Í ÆóŸÀÌ¾î ´Ü¸éÀûÀ» °í·ÁÇÏ¿© µ¿°áÅäfrozen fringe³»ÀÇ ¿Âµµº¯È­¿¡ µû¸¥ Åõ¼ö°è¼ö Ư¼ºÀ» ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú Èí¼ö¼Óµµ¿Í Åõ¼ö°è¼ö »çÀÌ¿¡´Â ºñ·Ê°ü°è°¡ Á¸ÀçÇÔÀ» È®ÀÎÇÏ¿´°í, µ¿»ó¼º ÀúÇÏÀÇ ÁÖµÈ ¿øÀÎÀº ÆóŸÀÌ¾î ÆÄ¿ì´õ È¥ÇÕ¿¡ µû¸¥ ºÎµ¿¼öºÐ·®°ú Åõ¼ö°è¼öÀÇ °¨¼ÒÀÓÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ ÆóŸÀÌ¾î ÆÄ¿ì´õ È¥ÇÕÅä ±¸¼º¼ººÐÀÇ Ã¼Àûºñ¸¦ ÀÌ¿ëÇÏ¿© Èë°ú ÆóŸÀÌ¾î °£±Ø³»ÀÇ ¼öºÐ·®À» Á¤·®ÀûÀ¸·Î »êÃâÇÏ¿´´Ù.
To determine the frost heave suppressing mechanism of soil mixed with tire powder, we conducted three kinds of laboratory experiments: measurement of unfrozen water, evaluation of thermal conductivity, and a frost heave. In this research, we focused on changes in the coefficient of permeability of the mixed soil, and first found that of the unsaturated soil. Next, in the case of the presence of ice, we took the ice-impeding factor into consideration to derive the coefficient of permeability of the frozen fringe from the area ratio of the soil and tire powder in mixed soil. The results show a positive correlation between the water intake rate and the coefficient of permeability. Moreover, we found that the frost heave decreased thanks to a reduction in the permeability and a fall in the unfrozen water content of the soil mixed with tire powder. We also calculated the weight of the water content of the soil and tire powder void quantitatively using the result of the volumetric ratio of mixed soil.
 
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Discarded tire;Frost heave;Permeability;Thermal conductivity;Unfrozen water content;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.4, 2010³â, pp.15-26
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201021452660537)
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