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Çѱ¹Áö¹Ý°øÇÐȸ / v.25, no.5, 2009³â, pp.17-28
¼ºÅäÇϺΠ¿¬¾àÁö¹ÝÀÇ º¯Çü°Åµ¿¿¡ °üÇÑ ¸ðÇü½ÇÇè
( Model Tests on Deformation Behavior of Soft Ground Under Embankment )
À̱¤¿ì;Á¶»ï´ö;È«¿øÇ¥; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸½Ç;Áß¾Ó´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇаú;
 
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¿¬¾àÁö¹Ý»ó ¼ºÅä½Ã, ¼ºÅäÇÏÁßÀº ¿¬¾àÁö¹Ý¿¡ ÆíÀçÇÏÁßÀ¸·Î ÀÛ¿ëÇÏ°Ô µÇ¾î ±âÃÊ ¿¬¾àÁö¹ÝÀÇ °úµµÇÑ Ä§ÇÏ¿Í Ãø¹æÀ¯µ¿À» ¾ß±âÇÒ ¼ö ÀÖ´Ù. ¿¬¾àÁö¹ÝÀÇ °úµµÇÑ º¯ÇüÀº °á±¹ ¼ºÅäü ÀÚü¿Í ÀÎÁ¢ Áö¹Ý ¹× ±¸Á¶¹°ÀÇ ¾ÈÀüÀ» À§ÇùÇÏ°Ô µÈ´Ù. ¿¬¾àÁö¹ÝÀÇ º¯Çü°Åµ¿¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿äÀÎÀº Å©°Ô ¼ºÅäÇÏÁß Á¶°Ç°ú Áö¹ÝÁ¶°ÇÀ¸·Î ±¸ºÐÇÒ ¼ö ÀÖ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â À̵é Á¶°ÇÀ» ´Þ¸®ÇÑ 5ȸÀÇ ¸ðÇü½ÇÇèÀ» ¼öÇàÇÏ¿©, ¼ºÅäÇÏÁß ÀçÇϰ¡ ±âÃÊ ¿¬¾àÁö¹ÝÀÇ º¯Çü°Åµ¿¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡ÇÏ¿´´Ù. ¸ðÇü½ÇÇè °á°ú, ¼ºÅäÇÏÁß ÀçÇϰ¡ ÁöÁß Ãø¹æº¯À§ ¹ß»ý¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿µÇâ°Å¸®´Â ¼ºÅäü ¼±´ÜºÎ·ÎºÎÅÍ ÀçÇÏÆøÀÇ 2¹è±îÁöÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ ¸ðÇü½ÇÇè °á°ú¸¦ ±Ù°Å·Î, ¼ºÅä¼Óµµ(v, kPa/day)¿Í ÀÏÆò±Õ ħÇÏ·®(${Delta}s$, mm/day) »çÀÌÀÇ °ü°è½Ä°ú ¼ºÅä¼Óµµ¿Í ÀÏÆò±Õ ÁöÁß ÃÖ´ë¼öÆòº¯À§(${Delta}y_m$, mm/day) »çÀÌÀÇ »ó°ü°ü°è½ÄÀ» Á¦¾ÈÇÏ¿´´Ù.
When embankments are constructed on soft clay deposit, unsymmetrical surcharges due to embankments may generate the excessive vertical settlement and lateral deformation of soft clay foundation. The excessive deformations in soft grounds cause not only stability problem of the embankment itself but also that of the adjacent structures. The objectives of this research are to study the deformational behavior of soft ground due to the embankment load with different loading and soil conditions. Five model tests are carried out with different test conditions. From the results of the model tests, it is concluded that the lateral displacement induced by the embankment load occurs in the range of two times of the embankment width from a toe. In addition, the relationship between loading rate, v, and the vertical settlement of the soft ground, ${Delta}s$, and the lateral displacement at the toe of embankment, ${Delta}y_m$, is investigated based on the model test results.
 
Ű¿öµå
Embankment;Lateral flow;Settlement;Soft ground;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.25, no.5, 2009³â, pp.17-28
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200921140046726)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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