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Çѱ¹Áö¹Ý°øÇÐȸ / v.11, no.3, 1995³â, pp.43-54
ºÒÆ÷È­ »çÁúÅäÀÇ °Åµ¿¿¹ÃøÀ» À§ÇÑ ±¸¼º½Ä °³¹ß
( Development of Constitutive Model for the Prediction of Behaviour of Unsaturated Granular Soil )
¼Ûâ¼·;À庴¿í; Á¤È¸¿ø, ¼­¿ï´ëÇб³ ³ó¾÷ °³¹ß¿¬±¸¼Ò Ưº°¿¬±¸¿ø;Á¤È¸¿ø, ¼­¿ï´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;
 
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½ÇÆ®Áú ¸ð·¡¸¦ Àç·á·Î »ïÃà¾ÐÃà½ÃÇè±â¸¦ °³Á¶Çϰí, »ïÃ༿¿¡ °í¾Ð°ø±âÅõ°úÆÇÀ» ºÎÂøÇÏ¿© Ãຯȯ±â¹ý¿¡ ÀÇÇØ ÈíÀη°ú ¼øÆò±ÕÀÀ·ÂÀ» Á¶ÀýÇϸ鼭 µî·Â¾ÐÃà½ÃÇè°ú Àü´Ü½ÃÇèÀ» ÇàÇÏ¿©, ºÒÆ÷È­ »óÅ¿¡ µû¸¥ ÅäÁúÁ¤¼öÀÇ º¯È­¸¦ ±Ô¸íÇÏ¿´À¸¸ç, ÇÔ¼ö»óÅÂÀÇ º¯È­¿¡ µû¶ó ÀÀ·Â, üÀûº¯È­ µîÀÇ °Åµ¿Æ¯¼ºÀ» °ËÅäÇÏ¿´´Ù. ½ÇÇèÀÇ °á°ú¿¡¼­ ±Ô¸íµÈ ºÒÆ÷È­ÅäÀÇ Æ¯¼ºÀ» ¹ÙÅÁÀ¸·Î, ºÒÆ÷È­ÅäÀÇ ÀÀ·Â¼ººÐÀ» °í·ÁÇϰí, ¼öÁ¤ Cam -Clay ¸ðµ¨À» °æ°èÁ¶°ÇÀ¸·Î ÇÏ´Â ºÒÆ÷È­ÅäÀÇ °Åµ¿¿¹ÃøÀ» À§ÇÑ ±¸¼º½ÄÀ» °³¹ßÇϰí, ½ÇÆ®Áú ¸ð·¡¿¡ ´ëÇÑ ½Ç³»½ÇÇèÀÇ ÀÚ·á·ÎºÎÅÍ ±¸ÇÑ °üÃøÄ¡¿Í ¿¹ÃøÄ¡¸¦ ºñ±³ÇÏ¿© ÀÌÀÇ Å¸´ç¼ºÀ» °ËÁõÇÏ¿´´Ù.
The aim of the work described in this paper is to develope a constitutive model for the prediction of an unsaturated soil and to confirm the application'of the model, which is composed of the elastic and plastic part in consideration of the matric suction and the net mean stress. From test results, volume changes and deviator stresses are analyzed at each state and their relationships are formulated. The application of the model to silty sands is confirmed by the comparison between test and predicted results. During drying -wetting and loading -unloading processes for isotropic states, the agreement between predicted and test results are satisfactory. Predicted deviator stresses are well agreed with test results in shearing process. Overall acceptable predictions are reproduced in high confining pressure. Usefulness of the model is confirmed for the unsaturated soil except volumetric strain, which is not well agreed with the test results due to deficiency of dilatancy of the model in low confining pressure. It is, therefore. recommended to study the behavior of dilatancy for an unsaturated soil.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.11, no.3, 1995³â, pp.43-54
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920446099)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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