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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.5, 2003³â, pp.69-78
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ȰdzÈÅäÀÇ µ¿°á-À¶ÇØ ÈÄÀÇ µ¿Àû °Åµ¿
( Dynamic Behavior of Weathered Granite Soils after Freezing-thawing ) |
| À±¿©¿ø;±è¼¼Àº;°º´Èñ;°´ë¼º; ÀÎÇÏ´ëÇб³ ȯ°æÅä¸ñ°øÇкÎ;µµ´ã¿£Áö´Ï¾î¸µ;ÀÎÇÏ´ëÇб³ ȯ°æÅä¸ñ°øÇкÎ;ÀÎÇÏ´ëÇб³ ´ëÇпø;
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| ȰdzÈÅäÀÇ µ¿°á-À¶ÇØ ÀüÈÄÀÇ µ¿Àû °Åµ¿À» ±¸¸íÇϱâ À§ÇÏ¿© ¹Ýº¹»ïÃà¾ÐÃà½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ȰdzÈÅäÀÇ ½ÇÆ® ÇÔÀ¯·® 20%À̳»¿¡¼ µ¿°á-À¶Çظ¦ ¹ÞÁö ¾ÊÀº °ø½Ãü¿Í µ¿°á-À¶Çظ¦ ¹ÞÀº °ø½Ãü¸¦ ±¸¼Ó¾Ð·ÂÀ» º¯È½ÃÄÑ µ¿Àû ¹°¼ºÄ¡ÀÎ Àü´Üź¼º°è¼ö¿Í °¨¼èºñÀÇ º¯È Ư¼ºÀ» °íÂûÇÏ¿´´Ù. ¶ÇÇÑ Á¡¼ºÅäÀÇ ÇÔÀ¯·®À» °¢°¢ ´Ù¸£°Ô ÇÏ¿© ¼Ò¼ºÁö¼öÀÇ º¯È¿¡ µû¸¥ µ¿°á-ÀÀÇØ ÈÄÀÇ µ¿Àû °Åµ¿ÀÇ º¯È¸¦ °íÂûÇÏ¿´´Ù. ¿¬±¸°á°ú, ȰdzÈÅäÀÇ ½ÇÆ®ÇÔÀ¯·®ÀÌ Áõ°¡ÇÒ¼ö·Ï Àü´Üź¼º°è¼ö´Â °¨¼ÒÇÏ¿´´Ù. ±×·¯³ª µ¿ÀÏÇÑ ¹Ðµµ, ±¸¼Ó¾Ð·ÂÀÇ Á¶°Ç¿¡¼ µ¿°á-À¶Çظ¦ ¹ÞÀº ȰdzÈÅäÀÇ Àü´Üź¼º°è¼ö´Â ½ÇÆ®ÇÔÀ¯·®¿¡ °ü°è¾øÀÌ Àü´Üź¼º°è¼ö¿¡ Å« Â÷À̰¡ ¾ø¾ú´Ù. Á¡Å並 ÇÔÀ¯ÇÑ ¼Ò¼ºÁö¼ö 20À̳»ÀÇ È°Ç³ÈÅäÀÇ Àü´Üź¼º°è¼ö´Â ¼Ò¼ºÁö¼ö°¡ Ŭ¼ö·Ï Áõ°¡ÇÏ¿´À¸¸ç µ¿°á-À¶Çظ¦ ¹Þ°ÔµÇ¸é Àü´Üź¼º°è¼öÀÇ °¨¼Ò°¡ ¶Ñ·ÇÇÏ°Ô ³ªÅ¸³µ´Ù. |
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| In order to investigate the dynamic behavior of weathered granite soils before and after freezing-thawing, cyclic triaxial tests were conducted for the specimens not only with the variation of silt contents within 20% but with plasticity index within 20%. As the results, the dynamic shear modulus of weathered granite soils decreased with increasing silt contents. However, the change in damping ratio was negligible. The influence of freezing-thawing on shear modulus and damping ratio was minimal for the granite soils with variation of silt contents. For the case of the weathered soils with variation of plasticity index, the shear modulus increased with plasticity index within 20%, while the modulus decreased remarkably after freezing-thawing. |
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| Ű¿öµå |
| Cyclic triaxial test;Damping ratio;Freezing-thawing;Shear modulus;Weathered soils; |
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.5, 2003³â, pp.69-78
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921979077)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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