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Çѱ¹Áö¹Ý°øÇÐȸ / v.4, no.3, 1988³â, pp.35-42
À̹漺°ú¾Ð¹ÐÁ¡ÅäÀÇ °­µµÆ¯¼º
( Strength Characteristics of Anlsotropic Overconsalidated Clay )
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À̹漺°úÃß¹ÐÁ¡ÅäÀÇ 3Â÷¿ø °­µµÆ¯¼ºÀ» Á¶»çÇϱâ À§ÇÏ¿© ÀÏ¿¬ÀÇ ¾Ð¹Ðºñ¹è¼ö ÀÔ¹æ±âÇü»ïÃà½ÃÇèÀÌ ½Ç½ÃµÇ¾ú´Ù. ÇöÀå¿¡½Ã Á÷Á¢ äÃëµÈ ÀÚ¿¬½Ã·á°¡ »ç¿ëµÇ¾úÀ¸¸ç, °ø½ÃüÀÇ ÁÖÀÀ·ÂÃàÀ» ½ÃÃÊäÃë½ÃÀÇ Á÷±³ ÁÂÇ¥Ãà°ú ÀÏÄ¡½ÃÄÑ Á¤ÆÈ¸éü¸é»óÀÇ 3Â÷¿ø ¼º±«¸éÀÌ ÃæºÐÈ÷ ¾ò¾îÁú ¼ö ÀÖµµÈæ ÃæºÐÇÑ È¸¼öÀÇ ½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. º» ¿¬±¸°á°ú, ÃøÁ¤µÈ À¯È¿³»ºÎ¶óÂû°¢Àº Àç·áÃà¹æÇâ¿¡ µû¶ó ÇöÀúÇÏ°Ô Â÷À̸¦ º¸À̰í ÀÖÀ¸³ª µ¿ÀÏÇÑ Á¤ÆÈ¸éü¸é»ó¿¡ Åõ¿µ½ÃŲ ÀÀ·Â»óÅ·ΠºÎÅÍ ±¸ÇÑ ¼öÁ¤µÈ À¯È¿³»ºÎ¸¶Âû°¢Àº À̹漺À» °ÅÀÇ º¸ÀÌÁö ¾Ê¾Ò´Ù. µû¶ó¼­ µî¹æÃ¼ÀÇ ÆÄ¾ç±ÔÁØÀ¸·Î Á¦¾ÈµÈ LadeÀÇ ÆÄÀå°¢ÀßÀº ¾÷¹æ¼º°ú¸Æ¹ÐÁ¡ ÅäÀÇ ÆÄ±«±ÔÁØÀ¸·Îµµ ÃæºÐÇÑ ½Ç¿ë¼ºÀÌ ÀÖÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ ÆÄ¾ç½ÃÀÇ º¯ÇüÀ² ÁõºÐº¤Å͵µ Á¤ÆÈ¸éü¸é»óÀÇ ÆÄ±«¸é¿¡ Á÷±³¼ºÀ» º¸¿´´Ù.
A series of consolidated-undrained cubical triaxial tests was performed to investigate the three- dimensional strength characteristics of anisotropic overconsolidated clay. All specimens sampled in field were loaded under conditions of principal stress directions fixed and aligned with the directions during sampling. A sufficient number of tests It was performed to deter.mine the three- dimensional failure surface in the octahedral plane. The adjusted effective friction angles obtained by the stress state projected on the same octahedral plane did not show anisotropy, while the measured effective friction angles showed considerally difference according to the axes of speccimens. Therefore, Lade failure criterion proposed fort isotropic materials could be also used practically for anisotropic overconsolidated clay. The direction of the plastic strain increment wrectors superimposed on the principal stress space was nearly perpendicular to the traces of the failure surface in the octahedral plane.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.4, no.3, 1988³â, pp.35-42
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198811920443379)
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