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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.5, 1999³â, pp.125-139
¼öħ ¹× ±³¶õ È¿°ú¿¡ µû¸¥ dzȭÀÜÀûÅäÀÇ Àü´Ü°­µµ Ư¼º
( The Characteristics of Shear Strength on Weathered Residual Soils for the Effect of Soaking and Disturbance )
¿À¼¼ºØ;Á¤Á¾Çõ;ÀÌ¿µÈÖ; ¿µ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;(ÁÖ) Çϰ濣Áö´Ï¾î¸µ;¿µ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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dzȭÀÜÀûÅä´Â ºÒ±³¶õ ½Ã·á¸¦ äÃëÇϱⰡ °ï¶õÇϱ⠶§¹®¿¡ Àü´Ü°­µµ¸¦ »êÁ¤Çϴµ¥ À־ ¾î·Á¿òÀ» °Þ°í ÀÖ´Ù º» ¿¬±¸¿¡¼­´Â Á÷Á¢ Àü´Ü½ÃÇè¿ë ºÒ±³¶õ ½Ã·á¸¦ ¿ëÀÌÇÏ°Ô Ã¤ÃëÇϱâ À§Çؼ­ ½´ ÀåÂø Á÷Á¢ Àü´Ü»óÀÚ¸¦ °³¹ßÇÏ¿´À¸¸ç, ¼º°øÀûÀ¸·Î ºÒ±³¶õ ½Ã·á¸¦ äÃëÇÒ ¼ö ÀÖ¾ú´Ù. äÃëµÈ ºÐ±³¶õ ½Ã·áÀÇ Á÷Á¢ Àü´Ü½ÃÇèÀ» ÅëÇØ¼­ Æ÷È­Á¶°Ç¿¡ µû¸¥ Àü´Ü°­µµÀÇ º¯È­¸¦ ±Ô¸íÇÏ¿´´Ù. ±×¸®°í ±³¶õ¿¡ µû¸¥ dzȭÀÜÀûÅäÀÇ Àü´Ü°Åµ¿À» ±Ô¸íÇϱâ À§Çؼ­ Á¤Àû½Ã·á ¼ºÇüÀåÄ¡¸¦ Á¦ÀÛÇÏ¿´°í, ÀÚ¿¬ÇÔ¼öºñ »óÅ¿¡¼­´Â ±³¶õ¿¡ µû¸¥ °­µµÀúÇϰ¡ ³ªÅ¸³ªÁö¸¸, ¼öħ½Ã¿¡´Â °­µµ°¡ À¯»çÇÔÀ» È®ÀÎÇÏ¿´´Ù. ºÒ±³¶õ ½Ã·á¿¡ ´ëÇØ¼­ Á÷Á¢Àü´Ü½ÃÇè°ú »ïÃà¾ÐÃà½ÃÇè½ÃÀÇ °­µµ¸¦ ºñ±³ÇÑ °á°ú, Á÷Á¢ Àü´Ü½ÃÇè½Ã ¼öħ½Ã·áÀÇ °­µµ°¡ »ïÃà¾ÐÃà½ÃÇèÀÇ °á°ú¿Í À¯»çÇÑ °æÇâÀ» ³ªÅ¸³»¾ú´Ù. ±×¸®°í ´ë»ó ºØ±«»ç¸é¿¡ ´ëÇÑ ¿ªÇؼ®À» ¼öÇàÇÑ °á°ú, ½´ ÀåÂø Á÷Á¢ Àü´Ü»óÀÚ¸¦ ÀÌ¿ëÇϸé dzȭÀÜÀûÅä »ç¸é¿¡¼­ÀÇ Àü´Ü°­µµ »êÁ¤ÀÌ °¡´ÉÇϸ®¶ó°í ÆÇ´ÜµÇ¾ú´Ù.
It is difficult to evaluate the shear strength of weathered residual soils because of the difficulties of undisturbed sampling. In this study, a sampling device, direct shear box with shoe, was developed in order to get undisturbed samples easily for direct shear tests, and undisturbed samples could be successfully obtained. Through direct shear tests on undisturbed samples, the shear strength was evaluated with the variation of saturated conditions. In order to consider the effect of disturbance on the shear strength, a static compaction device was developed, and then it was found that undisturbed samples show greater shear strengths than the disturbed ones under natural water contents and similar strengths to the ones under soaked conditions. Further, the shear strength evaluated from direct shear tests was compared with the result of triaxial tests on undisturbed samples, and soaked strengths of the former were similar to the latter. As the result of stability analyses on an actual failed slope, it was found that the shear strength can be evaluated reasonably using direct shear box with shoe.
 
Ű¿öµå
Eathered residual soil;Undisturbed sample;Shear strength;Soaking;Slope stability;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.5, 1999³â, pp.125-139
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749580)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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