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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.4, 2004³â, pp.5-13
°æ·®±âÆ÷È¥ÇÕÅäÀÇ ¾ÐÃà ¹× °­µµÆ¯¼º ¿¬±¸
( Compressibility and Strength Characteristics of Light-weighted Foam Soil )
À±±æ¸²;±èº´Å¹; Çѱ¹Çؾ翬±¸¿ø ¿¬¾ÈÇ׸¸°øÇבּ¸º»ºÎ;¿¤Áö°Ç¼³¢ß Åä¸ñ»ç¾÷º»ºÎ T/K¼³°èÆÀ;
 
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º» ³í¹®¿¡¼­´Â °æ·®±âÆ÷È¥ÇÕÅäÀÇ ¾ÐÃ༺°ú °­µµ Ư¼º¿¡ ´ëÇØ ½ÇÇèÀ» ÅëÇÏ¿© ¿¬±¸ÇÏ¿´´Ù. °æ·®±âÆ÷È¥ÇÕÅä´Â Àç·áÀÇ °æ·®È­¿Í ¾ÐÃà°­µµÀÇ Áõ°¡¸¦ À§ÇØ ÇØ¾çÁؼ³Åä¿¡ ½Ã¸àÆ®¿Í ±âÆ÷·Î ±¸¼ºµÇ¾î ÀÖ´Ù. ÀÌ·¯ÇÑ ¸ñÀûÀ» À§ÇÏ¿© Ãʱâ ÇÔ¼öºñ, ½Ã¸àÆ® ÇÔÀ¯À², ½ÇÆ®Áú Áؼ³ÅäÀÇ È¥ÇÕÀ», ±¸¼Ó¾ÐÁ¶°Ç µîÀÇ ´Ù¾çÇÑ Á¶°Ç¿¡¼­ ÁغñµÈ °ø½Ãü·Î ÀÏÃà¾ÐÃà½ÃÇè ¹× »ïÃà¾ÐÃà½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. °æ·®±âÆ÷È¥ÇÕÅäÀÇ ½ÇÇè°á°ú, ÀÀ·Â-º¯Çü°Åµ¿°ú ¾ÐÃà°­µµ´Â Áؼ³ÅäÀÇ Ãʱâ ÇÔ¼öºñº¸´Ù ½Ã¸àÆ® ÇÔÀ¯À²¿¡ ´õ Å« ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ, º» ¿¬±¸¿¡¼­´Â Ãʱâ ÇÔ¼öºñ, ½Ã¸àÆ® ÇÔÀ¯À², ±âÆ÷ ÇÔÀ¯À²À» °í·ÁÇÑ Á¤±ÔÈ­°è¼ö¸¦ Á¦½ÃÇÏ¿´À¸¸ç °æ·®±âÆ÷È¥ÇÕÅäÀÇ ¾ÐÃà°­µµ¿Í Á¤±ÔÈ­ °è¼ö¿ÍÀÇ À¯¿ëÇÑ °ü°è¸¦ ¾òÀ» ¼ö ÀÖ¾ú´Ù.
Strength and compressibility characteristics of Light-Weighted Foam Soil (LWFS) are experimentally investigated in the paper. LWFS is composed of the dredged soils, cement and air foam to reduce unit-weight and to increase compressive strength. For these purposes, both unconfined compression tests and triaxial compression tests are carried out fer artficially prepared specimens of LWFS with various initial water contents, cement contents, mixing ratio of silty dredged soils and different confining stresses. The experimental results of LWFS indicate that the stress-strain relationship and the compressive strength are strongly influenced by cement contents rather than intial water contents of the edged soils. In this paper, the normalizing scheme considering the ratio of initial water contents, cement contents, and air foam contents has been proposed to evaluate the relationship between compressive strength of LWFS and a normalized factor.
 
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Cement;Compressive strength;Dredged soil;Light-weighted foam soil;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.4, 2004³â, pp.5-13
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922382935)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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