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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.1, 1996³â, pp.21-34
»ïô À¯±âÁúÅäÀÇ °øÇÐÀû Ư¼º
( Engineering Characteristics of Sam Cheok Organic Soil )
±è»ó±Ô;ÃÖÀΰÉ;¹Ú¿µ¸ñ; µ¿±¹´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;(ÁÖ)À¯½Å¼³°è°ø´Ü ¿µÁ¾µµ ½Å°øÇ×°¨¸®´Ü, ¿µ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;;
 
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ÀÌ ³í¹®Àº ÀÏ·ÃÀÇ ½Ç³»½ÃÇèÀ» ÅëÇØ ¾ò¾îÁø »ïô À¯±âÁúÅäÀÇ °øÇÐÀû Ư¼ºÀ» Á¦½ÃÇÑ °ÍÀÌ´Ù. ¾×¼ºÇѰè´Â ½Ã·áÀÇ Á¶Á¦¹æ¹ý¿¡ µû¶ó ±× °ªÀÌ ÇöÀúÈ÷ ´Þ¶óÁø´Ù´Â »ç½ÇÀ» ¾Ë°Ô µÇ¾ú´Âµ¥ ÀÚ¿¬»óÅ·Π½ÃÇèÇÑ °ªÀÌ ³ë°ÇÁ¶½ÃÄÑ ¾ò¾îÁø °ªº¸´Ù 1.5³»Áö 4¹è³ª ÄÇ´Ù. À¯±âÁúÅäÀÇ ÀÀ·Âº¯ÇüƯ¼ºÀº º¯ÇüÀÇ Áõ°¡¿¡ µû¶ó ÀÀ·ÂÀÌ Á¡ÁøÀûÀ¸·Î Áõ°¡ÇÏ´Â °æÇâÀ» º¸¿´´Ù. Áï º¯ÇüÀ² 20%ÀÇ °­µµ°¡ Çѱ¹»ê¾÷±Ô°Ý¿¡ ±ÔÁ¤µÈ º¯ÇüÀ» 15%ÀÇ °­µµº¸´Ù ´õ Å©´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ À¯±âÁúÅäÀÇ °­µµÁõ°¡À²(0.43~0.65)Àº Á¡Åä¿¡ ºñÇØ ÇöÀúÈ÷ Å©´Ù´Â »ç½Çµµ ¾Ë ¼ö ÀÖ¾ú´Ù. ¾Ð¹Ð½ÃÇè °á°ú ¿¬Á÷ ¹× ¼öÆò¹æÇâÀÇ Åõ¼ö°è¼ö´Â °ÅÀÇ °°À¸³ª ±³¶õ½Ã¿¡´Â ¿¬Á÷¹æÇâÀÇ 1/2~1/6·Î °¨¼ÒµÈ´Ù´Â »ç½Çµµ ¾Ë°Ô µÇ¾ú´Ù. ¶ÇÇÑ 2Â÷ ¾Ð¹Ð°è¼ö´Â À¯±â¹°ÇÔ·®°ú ÇÔ¼öºñ°¡ ¸¹À»¼ö·Ï Ä¿Áö¸ç À¯±â¹°ÇÔ·® 15%¸¦ ±âÁ¡À¸·Î ÇÏ¿© ±× ÀÌÇÏ¿¡¼­´Â º¯È­ÆøÀÌ ¿Ï¸¸Çϳª ±× À̻󿡼­´Â Å« º¯È­ÆøÀ» º¸ÀδÙ.
This paper presents the engineering characteristics of the Samcheok organic soil which contains a large portion of organic matter and high natural water content. A series of lab tests shows that the measured liquid limit is quite different depending on preparing methods of specimens. The values tested with natural condition are higher up to 4 times than thole of the oven dry specimen. It is shown that the organic soils fail at large strain and do not show peak stress in the stress strain relationships. Also strength increase ratios, which are measured 0.43 to 0.65 in this tests, are significantly higher than those of the soft clay without organic matter. The consolidation tests indicate that the verti'cal and horizontal Permeabilities are almost the same. For the remolded samples is reduced from 112 to 116 of the vertical permeability An increase of organic matter or water content of the organic soils results in an increase of the coefficient of secondary consolidation. The increase rate is slow below 15 percents of the organic contents while the rate becomes higher above the value.
 
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Organic Soil;Shear Strength;Stress-Strain;Progressive Failure;Coefficient of Secondary Consolidation;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.1, 1996³â, pp.21-34
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446325)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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