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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.6, 2003³â, pp.23-29
»ý¼®È¸ È¥ÇÕÅäÀÇ ¾ÐÃàÆ¯¼º¿¡ °üÇÑ ¿¬±¸
( Compressibility Characteristics of the Lime Treated Clay )
¹Î´ö±â;Ȳ±¤¸ð;¿À¹ÌÈñ; ¿ï»ê´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇкÎ;°æºÏÀü¹®´ëÇÐ Åä¸ñ°ú;¿ï»ê´ëÇб³ ´ëÇпø °Ç¼³È¯°æ°øÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â ¿ÜºÎÀûÀÎ ¿øÀο¡ ÀÇÇÑ Áö¹ÝÀÇ »ê¼ºÈ­°¡ »ý¼®È¸ È¥ÇÕÅäÀÇ ¾ÐÃàÆ¯¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇϰí, »ý¼®È¸ ó¸®È¿°ú¸¦ Áõ´ë½Ã۱â À§ÇØ »êȭö, ¿°°úÄ®½·, Ȳ»êÄ®½· µîÀÇ Á¦ 2ÀÇ È­ÇÐÀû ÷°¡Á¦¸¦ È¥ÇÕÇÏ¿´´Ù. ÀÌ »ý¼®È¸ È¥ÇÕÅäÀÇ ¾ÐÃàÆ¯¼ºÀ» ¾Ë¾Æº¸±â À§ÇØ rapid inflection point methodÀ» ÀÌ¿ëÇÏ¿© ½Å¼ÓÇÑ ¾Ð¹Ð½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. °øÀåÆó¼ö ¶Ç´Â, »ê¼ººñ µî¿¡ ±âÀÎÇÑ Áö¹Ý »ê¼ºÈ­´Â Åä¾ç ¼Ó¿¡ Á¸ÀçÇϴ Ȳ»ê¿°°ú »ý¼®È¸ÀÇ Ä®½·ÀÌ¿ÂÀÌ ¹ÝÀÀÇÏ¿© ÆØÃ¢¼º ±¤¹°ÀÎ ettringite µîÀ» »ý¼º½ÃŰ¹Ç·Î Àΰø »ê¼ººñ¸¦ ÀÌ¿ëÇÏ¿© pH¸¦ º¯È­½ÃÄÑ »ý¼®È¸ È¥ÇÕÅä¿¡ È¥ÇÕÇÏ¿´´Ù. ½ÇÇè°á°ú, pH°¡ °¨¼ÒÇÔ¿¡ µû¶ó ¾ÐÃàÁö¼ö´Â Áõ°¡µÇ°í, ¼±Çà¾Ð¹ÐÇÏÁß°ú ¾Ð¹Ð°è¼ö´Â °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿© »ý¼®È¸ È¥ÇÕÅäÀÇ ¾ÐÃà Æ¯¼º¿¡ ¾Ç¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. È­ÇÐÀû ÷°¡Á¦ Áß ¿°È­Ä®½·À» È¥ÇÕÇÑ »ý¼®È¸ È¥ÇÕÅäÀÇ °æ¿ì, ¾ÐÃàÁö¼ö¸¦ °¨¼Ò½Ã۰í, ¾Ð¹Ð°è¼ö¿Í Åõ¼ö°è¼ö´Â Áõ°¡ÇÏ´Â °æÇâÀ» º¸¿´´Ù. »êȭöÀ» È¥ÇÕÇÑ »ý¼®È¸ È¥ÇÕÅäÀÇ °æ¿ì, »ý¼®È¸ È¥ÇÕÅä¿¡ ºñÇØ ¼±Çà¾Ð¹ÐÇÏÁßÀÌ Å©°Ô Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³ª ¾ÐÃàÆ¯¼ºÀ» °³¼±½Ã۴µ¥ È¿°úÀûÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
In this paper, effects of the acidification of ground and the chemical additive materials-ferric oxide, calcium chloride and calcium sulphate on the compressibility characteristics of the marine clay treated with quick lime were investigated. The rapid inflection point method was carried out. Results showed that the compression index of the untreated marine clay increased as the pH of pore water decreased. Also, the preconsolidation pressure, the coefficient of consolidation and the coefficient of permeability of the untreated marine clay decreased with pH of pore water. In the case of the marine clay treated with the quick lime-calcium chloride, the compression index decreased and the coefficient of consolidation and the coefficient of permeability increased. Specially, the preconsolidation pressure of sample treated with the quick lime-ferric oxide was higher than that of another samples.
 
Ű¿öµå
Calcium chloride;Calcium sulphate;Compressibility;Ferric oxide;Quick lime;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.6, 2003³â, pp.23-29
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922147821)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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