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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.9, 2010³â, pp.59-69
°æ·®±âÆ÷ÅäÀÇ ¾ÐÃà ¹× ÀÎÀå Æ¯¼º
( Compression and Tensile Characteristics of Lightweight Air-Trapped Soil )
ÀÌ¿µÁØ;±è¼º¿ø;¹ÚÀ̱Ù;±èÅÂÇü; Çѱ¹Çؾç´ëÇб³ Åä¸ñȯ°æ°øÇаú;(ÁÖ)¹«¼ºÅä°Ç;(ÁÖ)Áö¿À¾Ë¾Øµð;Çѱ¹Çؾç´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ±ÕÁúÇÑ Ç°ÁúÀ» °¡Áö´Â °æ·®±âÆ÷ÅäÀÇ Æ¯¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇØ ½Ç½ÃµÇ¾ú´Ù. ÀÌÀü¿¡´Â °æ·®¼ºÅäÀç·Î¼­ EPS (Expanded PolyStyrene)°¡ ÁÖ·Î »ç¿ëµÇ¾úÁö¸¸, EPSÀÇ ¼Ò¼ºº¯ÇüÀ¸·Î ÀÎÇÑ ´ÜÂ÷ ¹× ±Õ¿­°ú °°Àº ¹®Á¦°¡ ¹ß»ýµÇ¾î »õ·Î¿î Àç·áÀÇ °³¹ßÀÌ ¼º±ÞÇÑ ½ÇÁ¤ÀÌ´Ù. ´ëü °ø¹ýÀ¸·Î ÇöÀåÀÇ Áؼ³Å並 Ȱ¿ëÇÑ °æ·®±âÆ÷È¥ÇÕÅä°¡ °³¹ßµÇ°í ÇöÀå¿¡ Àû¿ëµÇ¾ú´Ù. °æ·®±âÆ÷È¥ÇÕÅä´Â EPS°ø¹ý¿¡ ºñÇØ Àå±âÀûÀÎ ¼Ò¼ºº¯ÇüÀÌ ´õ ÀûÀº ÀåÁ¡ÀÌ ÀÖÁö¸¸, äÃëµÇ´Â Áؼ³ÅäÀÇ À§Ä¡¿¡ µû¶ó ¼­·Î »óÀÌÇÑ °­µµÆ¯¼ºÀ» Áö´Ï°í ÀÖ¾î ǰÁú°ü¸®¿¡ ¾î·Á¿òÀ» °Þ°í ÀÖ´Â ½ÇÁ¤ÀÌ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â °øÀå¿¡¼­ »ý»êµÈ ±ÕÁúÇÑ Ç°ÁúÀÇ ¸ð·¡¸¦ È¥ÇÕÇÑ °æ·®±âÆ÷ÅäÀÇ Æ¯¼ºÀ» ÆÄ¾ÇÇÏ¿´´Ù. Áï, °æ·®±âÆ÷ÅäÀÇ ¾ÐÃà ¹× ÀÎÀ寝¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇØ ´ÜÀ§Áß·®°ú ½Ã¸àÆ®-¸ð·¡ºñ ¹× ±âÆ÷·®À» ´Þ¸®ÇÑ °ø½Ãü¿¡ ´ëÇÏ¿© ÀÏÃà¾ÐÃà½ÃÇè°ú °£Á¢ÀÎÀå°­µµ½ÃÇèÀÌ ½Ç½ÃµÇ¾ú´Ù.
This study is experimentally investigated for characteristics of lightweight air-trapped soils with uniform quality. Previously, EPS (Expanded PolyStyrene) blocks are often used as lightweight embankment, but many problems such as the level difference and cracks were caused by plastic (creep) deformation. So, a new material development is urgent. By means of alternatives, lightweight air-mixed soil using in-situ soils has been developed and applied to fields. In comparison with EPS block, lightweight air-mixed soil has less plastic (creep) deformation in long period, but the strength characteristics are different according to the soils where they are obtained. Therefore, the quality management of lightweight air-mixed soil is very difficult. Therefore in this study, characteristics of lightweight air-trapped soil using a manufactured sand with uniform quality are investigated. To found out the compression and tensile characteristics of lightweight air-tapped soils, unconfined compression test and splitting tensile test are conducted on the specimens prepared with different unit weight, cement-sand ratio and air-pore.
 
Ű¿öµå
Creep;EPS;Lightweight air-trapped soil;Splitting tensile test;Unconfined compression test;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.9, 2010³â, pp.59-69
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201009654401125)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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