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Çѱ¹µµ·ÎÇÐȸ / v.10, no.3, 2008³â, pp.57-68
¾ÈÁ¤Ã³¸®µÈ µµ·ÎÇϺΠÁö¹ÝÀç·áÀÇ °­µµ ¹× º¯ÇüƯ¼º(I): ½Ç³»½ÇÇè
( Strength and Deformation Characteristics on Stabilized Pavement Geomaterials(I): Laboratory Test )
¹Ú¼º¿Ï;ÁöÁ¾±Ù;¹ÚÈñ¹®;¾öº´½Ä; ´Ü±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;´Ü±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î½Ã¼³¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î½Ã¼³¿¬±¸½Ç;
 
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ÇϺα¸Á¶ ¾ÈÁ¤Ã³¸® ±â¹ýÀº µµ·ÎÆ÷ÀåÀÇ °ø¿ë¼ºÀ» Áõ´ë½Ãų »Ó¸¸ ¾Æ´Ï¶ó »óºÎ Æ÷ÀåÃþÀÇ µÎ²² Àý°¨ÇÒ ¼ö ÀÖ´Â È¿°ú°¡ ÀÖ´Ù. ÇϺα¸Á¶ÀÇ Áö¹ÝÀç·á¿¡ ÀûÀýÇÑ Á¾·ùÀÇ ¾ÈÁ¤Á¦¸¦ ¹èÇÕÇÔÀ¸·Î½á »õ·Î¿î ÇüÅÂÀÇ °øÇÐÀûÀÎ Áö¹ÝÀç·á¸¦ ±¸¼ºÇÏ¿© ±¸Á¶Àû ¹× °æÁ¦ÀûÀ¸·Î È¿°úÀûÀÎ Ãþ ±¸Á¶¸¦ Çü¼ºÇÏ°Ô ÇÒ ¼ö ÀÖ´Ù. ±âÁ¸¿¡´Â ¾ÈÁ¤Ã³¸®±â¹ýÀ» °æÇè¿¡ ±Ù°ÅÇÏ¿© Àû¿ëÇÏ¿© ¿ÔÀ¸¸ç ¶ÇÇÑ ¼³°è½Ã º» ±â¹ýÀ» Àû¿ëÇÒ ¼ö ÀÖ´Â ±âÁØÀÌ Á¤¸³µÇ¾î ÀÖÁö ¾Ê´Ù. º» ³í¹®ÀÇ ¸ñÀûÀº µµ·ÎÇϺΠÁö¹ÝÀç·á¿¡ Àû¿ëÀ» À§ÇÑ ¾ÈÁ¤Ã³¸®Á¦ÀÇ ¿ªÇÐÀû Ư¼ºÀ» Æò°¡ÇÏ¿© ÃÖÀûÀÇ ÇÔ·®À» °áÁ¤ÇϰíÀÚ ÇÑ´Ù. ±¹³» Æ÷ÀåÇϺα¸Á¶ÀÇ ´ëºÎºÐÀ» Â÷ÁöÇϰí ÀÖ´Â Á¶¸³Áú Áö¹ÝÀ» ¼±Á¤ÇÏ¿© ¾ÈÁ¤Á¦ È¥Çսà °­µµ ¹× º¯ÇüƯ¼ºÀ» ÀÏÃà¾ÐÃà½ÇÇè°ú ¹Ýº¹ÀçÇÏ½Ä È¸º¹º¯Çü°è¼ö ½Ç³»½ÇÇèÀ» ÅëÇÏ¿© °¢°¢ ¾Ë¾Æº¸¾Ò´Ù. ÀÏÃà¾ÐÃà ½ÇÇè°á°ú, ¾ÈÁ¤Á¦¸¦ »ç¿ëÇÑ ¾ÈÁ¤Ã³¸®¹æ¹ýÀÇ È¿°ú°¡ ÀÔµµÁ¶Á¤ ¾ÈÁ¤Ã³¸® ±â¹ý¿¡ ºñÇÏ¿© ¾à 10¹è ÀÌ»óÀÇ ÀÏÃà¾ÐÃà°­µµ°¡ Áõ°¡ ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ ¾ÈÁ¤Ã³¸®½Ã ȸº¹º¯Çü°è¼ö´Â ¿ø½Ã·á¿Í ºñ±³ÇÏ¿© ¾à $6{ imes}10$¹è ÀÌ»ó Áõ°¡Çϸç, üÀûÀÀ·Â°ú ÃàÂ÷ÀÀ·Â ±×¸®°í ¾ÈÁ¤Á¦ÀÇ ÇÔ·®ÀÌ Ä¿Áú¼ö·Ï Áõ°¡ÇÏ´Â °æÇâÀ» ³ªÅ¸³»¾ú´Ù.
The stabilization techniques in the pavement foundations have advantages in increasing pavement performance and reducing pavement thickness. By mixing the geomaterials and stabilizer, the economical and structurally sound layer can be added in the pavement system. Until now, these techniques have been applied in the field empirically and the design criteria for stabilization has not been established. The purposes of this paper are to evaluate the mechanistic properties of stabilizers used for geomaterials and determine the type and optimum amount of stabilizer for each technique. The unconfined compressive testing and repeated load resilient modulus test were conducted on the coarse grained soils mixed with various types of stabilizer to investigate the strength and deformation characteristics of stabilized geomaterials. It is found from the test that the unconfined compressive strength of stabilized geomaterials is more than ten times higher than that of gradation modified geomaterials. The resilient modulus of stabilized geomaterials increases by $6{ imes}10$ times compared to the original soils and tends to increase with increase of volumetric and deviatoric stress, and amount of stabilizer.
 
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¾ÈÁ¤Ã³¸®;µµ·Î Áö¹ÝÀç·á;ÀÏÃà¾ÐÃà°­µµ;ȸº¹º¯Çü°è¼ö;stabilization;pavement geomaterials;unconfined compressive strength;resilient modulus;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.3, 2008³â, pp.57-68
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200807653005876)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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