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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.6, 1997³â, pp.13-24
È­°­Ç³È­ÅäÀÇ °Åµ¿ Ư¼º ±Ô¸íÀ» À§ÇÑ ºñ±³¶õ ½Ã·áäÃë±â °³¹ß
( Undisturbed Sampler for Characterizing the Behaviour of Weathered Granite Residual Soils )
Á¤¼ø¿ë;À̽·¡; Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;Á¤È¸¿ø, Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú ºÎ±³¼ö, Á¤È¸¿ø, Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;
 
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È­°­Ç³È­Åä´Â ±¹³» Áö¹ÝÀÇ 2/3ÀÌ»óÀ» Â÷ÁöÇÒ Á¤µµ·Î ±¤¹üÀ§ÇÏ°Ô ºÐÆ÷ÇÏ¸ç µµ·Î, ÁöÇÏö, »ç¸éÁ¶¼º, °Ç¹°ÀÇ ±âÃʼ³Ä¡ µî ¿©·¯ °Ç¼³ÇöÀå¿¡¼­ ºó¹øÈ÷ Á¢ÇÒ ¼ö ÀÖ´Ù. È­°­Ç³È­ÅäÀÇ ÀÔÀÚ±¸Á¶´Â dzȭÁ¤µµ¿Í ¸ð¾ÏÀÇ ±¸¼º±¤¹°¿¡ ÀÇÇØ ¿µÇâÀ» ¹Þ°í ƯÈ÷ º¸ÅëÀÇ ±¸¼Ó ¾Ï¿¡¼­µµ ÀÔÀÚ ÆÄ¼â°¡ ¹ß»ýÇÏ¸ç ºñ±³¶õ Áö¹ÝÀÇ Æ¯¼º°ú ´ÙÁüÅä Áö¹ÝÀÇ Æ¯¼ºÀÌ Å« Â÷À̰¡ ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÇöÀå¿¡¼­ Á÷Á¢ »ïÃà½ÃÇè¿ë ºñ±³¶õ È­°­Ç³È­Åä½Ã·á¸¦ äÃëÇÒ ¼ö ÀÖ´Â ½Ã·áäÃë±â¸¦ °³¹ßÇÏ¿´°í À̸¦ ÀÌ¿ëÇÏ¿© äÃëÇÑ ºñ±³¶õ ½Ã·á¿Í Á¤ÀûÀ¸·Î ´ÙÁ®Áø ½Ã·á¿¡ ´ëÇÏ¿© °øÁøÁÖ/ºñƳ Àü´Ü½ÃÇè°ú »ïÃà¾ÐÃà½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ½ÃÇè°á°ú·ÎºÎÅÍ ¹Ì¼ÒÇÑ º¯Çü·ü¿¡¼­ÀÇ °Åµ¿Æ¯¼º°ú ºñ±³¶õ ¹× ´ÙÁü È­°­Ç³È­ÅäÀÇ °­µµÆ¯¼ºÀ» °ËÅäÇÏ¿´´Ù. ´ë»óÀ¸·Î ÇÑ Áö¹ÝÀÇ °æ¿ì 1% À̳»ÀÇ ¹Ì¼ÒÇÑ º¯Çü·ü ¿µ¿ª¿¡¼­´Â ´ÙÁü½Ã·á¿Í ºñ±³¶õ½Ã·áÀÇ Åº¼º°è¼ö°¡ °ÅÀÇ ÀÏÄ¡ÇÏ¿´À¸¸ç °­µµÀÇ ¶Ñ·ÇÇÑ Â÷ÀÌ ¶ÇÇÑ ¹ß°ßÇÒ ¼ö ¾ø¾ú´Ù. ºñ±³¶õÈ­°­Ç³È­ÅäÀÇ °æ¿ì´Â ½Ã·áÀÇ ºÒ±ÕÀϼº µîÀ¸·Î ÀÎÇÏ¿© ÆÄ±«½ÃÀÇ º¯Çü·üÀÌ ¸Å¿ì ³Ñ°Ô ºÐÆ÷ÇÏ¿´´Ù.
In Korea, granite is abundant and occupies around two-thirds of the country's ground. Bven though weathered granite residual soils are widely distributed, undisturbed sampling of this soil is extremely difficult because of the particultate structure. This difficulty has kept away the researchers from investigating !he deformational characteristics of weathered granite residual soil. Thus, a special undisturbed sampling device was developed and undisturbed samples were prepared for triaxial compression (TX), resonant column(RC), and torsional shear (75) tests. Local deformation transducer (LDT) was fabricated for internal strain measurements during TX tests. Both undisturbed samples and statically compacted samples of same density were tested by using TX with LDT, RC, and 75 test equipments. The behaviour of statically compacted specimens was almost the same as that of undisturbed samples in the strain ranges below 1 percent. The stiffness and strength decreased with increasing degree of weathering. In case of undisturbed specimens, strains at failure are widely varied from 2 percent to 11 percent, and planes of failure are irrelevant to the angle of internal friction due to the inhomogeneous nature.
 
Ű¿öµå
Undisturbed sampling device;Weathered granite soil;Internal strain measurement;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.6, 1997³â, pp.13-24
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447734)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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