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Çѱ¹µµ·ÎÇÐȸ / v.10, no.1, 2008³â, pp.49-62
¹Ýº¹ÀçÇϽÃÇè¿¡ ÀÇÇÑ µµ·Î±âÃÊÀÇ º¯ÇüƯ¼º Æò°¡
( Repeated Load Triaxial Tests on Unbound Geomaterials in Pavement Foundations )
¹Ú¼º¿Ï;Ȳ±Ô¿µ; ´Ü±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;´Ü±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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º» ³í¹®Àº ´ëÇ¥ÀûÀÎ µµ·Î»ó Áö¹ÝÀç·á¿¡ ´ëÇÑ ¹Ýº¹ÇÏÁß ÀÛ¿ë½Ã º¯ÇüƯ¼ºÀ» Æò°¡ÇÏ¿´´Ù. ȸº¹º¯Çü°ú ¿µ±¸º¯ÇüÀÇ Áß¿äÇÑ µÎ °¡Áö °è¼ö¸¦ ¹Ýº¹ÀçÇÏ »ïÃà½ÃÇèÀÇ °á°ú¸¦ ÅëÇÏ¿© ÃßÁ¤ÇÏ¿´´Ù. ¶ÇÇÑ ÀÀ·Â»óÅÂ¿Í È¯°æÁ¶°Ç, ±×¸®°í Àç·áƯ¼ºÀ» °¢°¢ °í·ÁÇÏ¿© ¿µÇâÀ» ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ±¹³» µµ·ÎÁö¹ÝÀç·á´Â ¾ï¹°¸²°ú º¯ÇüÈÄ È¸º¹ÀûÀΠƯ¼ºÀ¸·Î ÀÎÇØ Àç·áÀÇ ¿µ±¸º¯ÇüÀº ÀÏÁ¤ÇÑ Áõ°¡À²À» °¡Áö¸ç ÀÌÈÄ °ÅÀÇ ÀÏÁ¤º¯ÇüÀ²·Î ¼ö·ÅÇÏ´Â °ÍÀ¸·Î °üÃøµÇ¾ú´Ù. ¿¬±¸°á°ú¼±Á¤µÈ ¿µ±¸º¯Çü ¸ðµ¨°ú °è¼ö´Â ÀÏÁ¤ÇÑ È¸¼öÀÇ ¹Ýº¹ÇÏÁßÀÌ °¡ÇØÁø ÀÌÈÄ º¯ÇüÀ» ¿¹ÃøÇϴµ¥ ÀûÇÕÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
This paper presents the results of a study that was performed to evaluate the characteristics of deformation under repeated loadings in unbound geomaterials of pavements. Two important parameters, resilient and permanent deformation were estimated using the repeated load triaxial test. In addition, the effects of different stress state and environmental conditions with various materials were evaluated. Due to the locking mechanism and resiliency of unbound geomaterials, a consistent increase in permanent deformation on unbound geomaterials was observed and the asymptotic condition is slightly reached. In conclusion, the results show that selected models and parameters are satisfactory to predict permanent deformations after a certain number of loadings.
 
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¿¬¼º Æ÷Àå;ÀÔ»óÁö¹ÝÀç·á;¿µ±¸º¯Çü;¹Ýº¹ÀçÇÏ;flexible pavement;unbound geomaterials;permanent deformation;repeated load;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.1, 2008³â, pp.49-62
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ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200814364661988)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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