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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.5, 2002³â, pp.27-35
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( Stability Analyses for Excavated Slopes Considering the Anisotropic Shear Strength of the Layered Compacted Ground )
À̺´½Ä;À±¿äÁø; °øÁÖ´ëÇб³ °Ç¼³È¯°æ°øÇкÎ;µ¿¼º°Ç¼³(ÁÖ);
 
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¿ø Áö¹ÝÀ» ¼ºÅäÇÏ¿© ÀΰøÀûÀ¸·Î Çü¼ºµÈ ´ÙÁüÁö¹Ý¿¡ ÅÍÆÄ±â¸¦ ÇÏ¿© °üÀ» ¸Å¸³Çϰųª, ¾Ï°Å¸¦ ¼³Ä¡ÇÏ´Â ÀÛ¾÷À» ¼öÇà ÇÏ´Â °æ¿ì°¡ ÀÚÁÖ ÀÖ´Ù. ÀÌ ¶§ Á¶¼ºµÇ´Â Àӽñ¼Âø»ç¸éÀÇ ±â¿ï±â¸¦ Àû¿ëÇÔ¿¡ À־ ½ÇÇèÀ̳ª »ç¸é¾ÈÁ¤Çؼ® µîÀÇ ÀûÀýÇÑ °úÁ¤À» ¼öÇàÇÏÁö ¾ÊÀ½À¸·Î ÀÎÇØ »ç¸éºØ±«°¡ ¹ß»ýÇÏ¿© Àθí ÇÇÇØ´Â ¹°·ÐÀÌ°í °ø±âÀÇ Áö¿¬ ¹× °ø»çºñÀÇ Áõ¾× µî Å©°í ÀÛÀº ¼Õ½ÇÀ» ÃÊ·¡Çϰí ÀÖ´Ù. º» ³í¹®¿¡¼­´Â ÀÌ·¯ÇÑ Àӽûç¸éÀÇ ¾ÈÁ¤¼º °ËÅ並 À§ÇØ ´ëÇ¥ÀûÀÎ °æ¿ìµé¿¡ ´ëÇÑ »ç¸é¾ÈÁ¤Çؼ®À» ¼öÇàÇÏ¿´À¸¸ç, ƯÈ÷ »ç¸é¾ÈÁ¤¿¡ ´ëÇÑ ´ÙÁüÁö¹ÝÀÇ ºñµî¹æ¼º¿¡ µû¸¥ Àü´Ü°­µµÀÇ ¿µÇâÀ» °ËÅäÇÏ¿´´Ù. ÇØ¼®¿¡¼­ Àû¿ëÇÑ ´ÙÁüÁö¹ÝÀÇ ºñµî¹æ¼º Àü´Ü°­µµ´Â Àü´Ü¸é°ú ´ÙÁüÃþ °£ÀÇ °æ»ç¸¦ º¯È­½ÃŰ¸é¼­ ¼öÇàÇÑ ÀÏ·ÃÀÇ Á÷Á¢Àü´Ü½ÃÇèÀ¸·ÎºÎÅÍ ÃßÁ¤ÇÏ¿´´Ù. ÇØ¼® °á°ú, ºñµî¹æ¼ºÀ» °í·ÁÇÏ´Â ÁöÀÇ ¿©ºÎ¿¡ µû¶ó¼­ Àӽûç¸éÀÇ ÀûÀýÇÑ ¾ÈÁ¤±â¿ï±â°¡ ¼ÒÆøÀ¸·Î º¯È­ÇÒ °¡´É¼ºÀÌ ÀÖÀ½À» ¾Ë¾Ò´Ù. ±×·¯³ª, ÀÌ¿¡ µû¸¥ ¾ÈÀüÀ²ÀÇ º¯È­³ª ÆÄ±«¸éÀÇ ¾ç»óÀº ±×¸® Å©°Ô º¯ÇÏÁö ¾Ê´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
To construct pipe lines, culverts, or other utility lines, temporary slopes formed by excavating the compacted embankment are frequently met with in the field. Ignoring stability analyses for such slopes and applying inappropriate slope inclinations often result in safety problems. In this study, stability of such slopes were investigated considering the influence of anisotropic shear strength of the layered compacted ground. A series of stability analyses were conducted for slopes varying the slope angle and the height, and assuming isotropic and anisotropic shear strength conditions, respectively. The anisotropic shear strength of the compacted soil was determined from the direct shear test for layered soil blocks varying the inclination angle between the horizontal shear surface and the direction of the soil layer. As a result of the analyses, it has been concluded that the appropriate slope inclination f3r a temporary slope could vary in accordance with the consideration of anisotropy. However, the factor of safety as well as the location of the failure surface did not show significant variation.
 
Ű¿öµå
Anisotropic shear strength;Direct shear test;Slope stability;Temporary slopes;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.5, 2002³â, pp.27-35
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921407699)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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