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Çѱ¹µµ·ÎÇÐȸ / v.6, no.3, 2004³â, pp.65-77
±¹³» º¸Á¶±âÃþ Àç·áÀÇ º¯ÇüƯ¼ºÀ» °í·ÁÇÑ Àüü º¯Çü·ü ¿µ¿ªÀÇ ±¸¼º¸ðµ¨ °³¹ß
( Development of whole Strain Range Constitutive Model Considering Deformational Characteristics of Subbase Materials in Korea )
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º¸Á¶±âÃþ Àç·áÀÇ º¯ÇüƯ¼ºÀº ¿ªÇÐÀû Æ÷Àå¼³°è¿¡ À־ ´ë´ÜÈ÷ Áß¿äÇÑ ÀԷº¯¼öÀÌ´Ù ±¹³»¿¡¼­ »ç¿ëµÇ´Â º¸Á¶±âÃþ Àç·á´Â ´ëºÎºÐ ÀÔ»óÀÇ ÀÚ°¥Áú ÈëÀ¸·Î¼­, ½ÇÁ¦ ½Ã°øÇöÀå¿¡¼­ 7Á¾ÀÇ ½Ã·á¸¦ äÃëÇÏ¿´´Ù. º¸Á¶±âÃþ Àç·áÀÇ º¯ÇüƯ¼º Æò°¡¸¦ À§ÇÏ¿© °øÁøÁÖ/ºñƳÀü´Ü½ÃÇè »ïÃà¾ÐÃà½ÃÇè,ÀÚÀ¯´Ü°øÁøÁÖ½ÃÇèÀ»¼öÇàÇÏ¿© ź¼º°è¼ö¿¡ ´ëÇÑ ¿©·¯ ¿µÇâ¿ä¼Ò¸¦ °ËÅäÇÏ¿´´Ù. º¸Á¶±âÃþ Àç·áÀÇ Åº¼º°è¼ö¿¡ ´ëÇÑ ÇÏÁßÁ֯ļö ¹× ÇÏÁ߹ݺ¹È½¼öÀÇ ¿µÇâÀº ¸Å¿ì ÀÛÀº °ÍÀ¸·Î Æò°¡µÇ¾úÀ¸¸ç °øÇÐÀû °üÁ¡¿¡¼­ ¹«½Ã°¡´É ÇÒ °ÍÀ¸·Î »ý°¢µÈ´Ù º¸Á¶±âÃþ Àç·áÀÇ Åº¼º°è¼ö´Â ±¸¼ÓÀÀ·Â°ú º¯Çü·ü Å©±â¿¡ ´ë´ÜÈ÷ Å« ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ³ªÅ¸³µ°í, ´ëÇ¥ÀûÀÎ Á¤±Ôȭź¼º°è¼ö °¨¼Ò°î¼±°ú ±¸¼º¸ðµ¨À» Á¦¾ÈÇÏ¿´´Ù.
Deformational characteristics of subbase materials are important parameters in the mechanistic design of pavement. The subbase materials are mostly unbound granular materials in Korea, and seven representative subbase materials were collected for testing from the pavement construction sites. To evaluate the deformational characteristics of subbase materials, RC/TS, TX and FF-RC tests were performed. The effects of various variables on modulus were studied. The variation in the modulus with number of loading cycles and loading frequency are very small and can be ignored in a practical sense. The modulus of subbase materials were significantly affected by confining pressure and strain level. The representative modulus reduction curve and constitutive models for Korean subbase materials were suggested.
 
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º¸Á¶±âÃþ Àç·á;Æ÷Àå;º¯ÇüƯ¼º;±¸¼ÓÀÀ·Â;º¯Çü·ü Å©±â;subbase materials;pavement;deformational characteristics;confining pressure;strain level;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.6, no.3, 2004³â, pp.65-77
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ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200415637516717)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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