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Çѱ¹µµ·ÎÇÐȸ / v.5, no.4, 2003³â, pp.23-35
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( Fundamental Study for Compaction Methods by Mechanical Tests )
¼­ÁÖ¿ø;ÃÖÁؼº;±èÁ¾¹Î;³ëÇѼº;±è¼öÀÏ; ¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;Àδö´ëÇÐ °Ç¼³È¯°æ¼³°èÇаú;¼¼Á¾´ëÇб³ Åä¸ñȯ°æ°øÇаú;Çѱ¹µµ·Î°ø»ç ÇØ¿Ü»ç¾÷Àü·«ÆÀ;¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â ÇöÀç »ç¿ëÇϰí ÀÖ´Â ´ÙÁü½ÃÇè°á°ú ºÐ¼®¿¡ À־ ½ÃÇèÀÚ¿¡ µû¶ó °³ÀÎ ¿ÀÂ÷°¡ ¹ß»ýÇÏ´Â ½Ç³»´ÙÁü½ÃÇè °á°úÀÇ ÀûºÎÆÇÁ¤À» À§ÇÑ ±âÁØÀ» Á¦½ÃÇϰíÀÚ ½Ç½ÃÇÑ ½Ç³»½ÃÇè°á°ú¸¦ ºÐ¼®ÇÏ¿© ASTM ±ÔÁ¤À» ÀÌ¿ëÇÑ ´ÙÁüµµ »êÁ¤ÇÁ·Î±×·¥À» °³¹ßÇÏ¿´´Ù. ¶ÇÇÑ ½Ã°ø´Ü°èºÎÅÍ Åº¼º°è¼ö¿Í °°Àº ¿ªÇÐÀû Á¤¼ö¸¦ ÀÌ¿ëÇÔÀ¸·Î½á ½Ã°ø°ü¸®¿Í µµ·Î¼³°è ¹× µµ·Î°ü¸®ÀÇ °³³äÀûÀÎ Â÷À̸¦ ÁÙÀ̰í ÃßÈÄ °³¹ß ¹× ½Ç¿ëÈ­µÇ¾î¾ß ÇÒ Ã¼°èÀûÀÎ ´ÙÁü°ü¸®±â¹ý °³¹ßÀ» À§ÇÑ ±âÃÊ¿¬±¸·Î¼­ ³ë»óÅäÀÇ ±âÃʹ°¼º½ÃÇè, ´ÙÁü½ÃÇè°ú ´õºÒ¾î »ïÃà¾ÐÃà½ÃÇè°ú °øÁøÁÖ½ÃÇè µîÀ» ½Ç½ÃÇÏ¿´´Ù. ¼±Á¤µÈ Àüü 7°³ Áö¿ª¿¡ ´ëÇÏ¿© ½Ç³»½ÃÇèÀ» ¼öÇàÇÏ¿´À¸¸ç, ´ÙÁü½ÃÇèÀº ´ÙÁü¿¡³ÊÁöº° Ư¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇÏ¿© ´Ù¼¸ Á¾·ùÀÇ ´ÙÁü¿¡³ÊÁöº°·Î ½ÃÇèÀ» ¼öÇàÇÏ¿© ±¹³» 7°³ Áö¿ª¿¡ ´ëÇÑ ½Ç³»½ÃÇè(±âÃʹ°¼º½ÃÇè, ´ÙÁü½ÃÇè)°ú, ¿ªÇÐÀû ½ÃÇè(»ïÃà. °øÁøÁÖ½ÃÇè)¿¡ ´ëÇÑ D/B¸¦ ±¸ÃàÇÏ¿´´Ù. AASHTO ±âÁØÀÇ ±¸¼Ó¾Ð¿¡ µû¸¥ °øÁøÁÖ ½ÃÇè°á°ú ³ë»óÅäÀÇ º¯Çü·üº° G/$G_{max}$ÀÇ È¸±ÍºÐ¼®½ÄÀ» Á¦¾ÈÇϰí, ±¸ÃàµÈ ½ÇÇè°á°ú µ¥ÀÌÅͺ£À̽º(DB)·ÎºÎÅÍ ±âº»¹°¼º°ú ´ÙÁüµµ¿ÍÀÇ »ó°ü°ü°è¸¦ µµÃâÇÏ¿© ¿ªÇÐÀû ½ÃÇè°á°ú¸¦ Åä´ë·Î ³ë»óÅäÀÇ ¿ªÇÐÀû Ư¼ºÀΠź¼º°è¼ö¸¦ ÀÌ¿ëÇÑ ´ÙÁü °ü¸®±â¹ýÀ» Á¦¾ÈÇÏ¿´´Ù.
In this study, compaction evaluating program based on ASTM critria is developed bu analyzing the results of laboratory tests. And the laboratory tests such as compaction test, triaxial test and resonance column test of subgrade soils are performed to develop compaction management methodology at seven test sites. Especially, to figure out chararteristic with changing compactive efforts, the test was carried out at five levels of compactive efforts at each soil sample. Database was set up from the test results. With the methodology using mechanical property - the elastic modulus, the gap between road design and management and road construction management is narrowed. The regression equation of G/$G_{max}$ is proposed at each strain level of subgrade soils according to AASHTO criteria, and the relationship between fundamental properties of soil mass and degree of compaction is derived as well. The development of compaction management and field compaction management method is proposed by the elastic modulus based on mechanical tests.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.5, no.4, 2003³â, pp.23-35
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200315637522897)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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