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Çѱ¹Áö¹Ý°øÇÐȸ / v.25, no.5, 2009³â, pp.39-46
Áö¹Ý¾ÞÄ¿·Î ÁöÁöµÈ °­¼º ÁöÇÏ¿¬¼Óº®Ã¼ÀÇ »ó¼¼°èÃø °á°úºÐ¼® ¹× ¿ªÇؼ® Æò°¡
( Analysis of Monitoring Results and Back Analysis for Rigid Diaphragm Wall Supported by Ground Anchor )
ÀÌÁ¾¼º;ȲÀǼ®;Á¶¼ºÈ¯;ÀÌÁØÈ¯; ´ë¸²»ê¾÷(ÁÖ) ±â¼ú¿¬±¸¼Ò;´ë¸²»ê¾÷(ÁÖ) ±â¼ú¿¬±¸¼Ò;¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â Á¶¸³ÁúÀÇ ÅðÀûÃþÀÌ ±í°Ô ºÐÆ÷µÇ¾î ÀÖ°í ÁöÇÏ¿¬¼Óº®°ú Áö¹Ý¾ÞÄ¿·Î ±¸¼ºµÈ ±¼ÂøÇöÀåÀ» ¼±Á¤ÇÏ¿© È븷ÀÌ º®°è¿Í ¹è¸éÁö¹ÝÀÇ ¼öÆòº¯À§ ºñ±³, º®Ã¼ ³»ºÎ¿¡ ±íÀ̺°·Î ¼³Ä¡µÈ Åä¾Ð°è¿Í ¾ÞÄ¿ µÎºÎ¿¡ ¼³Ä¡µÈ Ãà·Â°è·Î ºÎÅÍÀÇ Åä¾Ð°ú Ãà·ÂÀÇ º¯È­µîÀ» Á¤¹ÐÇÏ°Ô Æò°¡ºÐ¼® ÇÏ¿´´Ù. ºÐ¼®°á°ú °­¼ºº®°èÀÇ ¼öÆòº¯À§´Â º®Ã¼ ³»ºÎ¿¡ ¼³Ä¡µÈ ÁöÁß°æ»ç°è·Î ÃøÁ¤µÈ °á°ú°¡ º¸´Ù ÇÕ¸®ÀûÀÎ °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ±×¸®°í ´Ü°èº° ±¼Âø¿¡ µû¸¥ Åä¾ÐÀÇ º¯È­¸¦ ºÐ¼®ÇÑ °á°ú, ±¼ÂøÀÌ ÁøÇàµÊ¿¡ µû¶ó Áö¹Ý¾ÞÄ¿ÀÇ ¼±Çà ±äÀå·ÂÀ¸·Î ÀÎÇØ ¹è¸é Åä¾ÐÀº Á¡Â÷ Áõ°¡ÇÏ´Â °æÇâÀ» ³ªÅ¸³»°í ÀÖ¾úÀ¸¸ç, ÁöÇÏ¿¬¼Óº®ÀÌ °­¼º º®Ã¼Áö¸¸ ÅðÀûÃþÀÌ ±í°í ±¼Âø ±íÀ̰¡ ±íÀº °æ¿ì¿¡´Â ¿¬¼ºº®Ã¼¿¡¼­ °æÇèÀûÀ¸·Î Æò°¡µÈ °æÇèÅä¾Ð°ú À¯»çÇÑ °á°ú°¡ ³ªÅ¸³²À» È®ÀÎÇÏ¿´´Ù.
In this study, behavior of a rigid continuous wall, earth pressure distribution with construction stage, and axial force of earth anchors were evaluated based on field monitoring data and numerical analysis results. For this purpose, a construction site excavated using the diaphragm wall was selected and full instrumentation system was introduced. From monitoring results, it was found that the values of horizontal displacement of the wall measured from the inclinometers, which were installed within the diaphragm wall were similar to analytical value. The earth pressure increased with excavation progress due to jacking force of the ground anchors installed in previous excavation stages. When the excavation depth reached 60% of the final depth, observed earth pressure distribution was similar to that estimated from Peck's apparent earth pressure distribution. When the excavation depth was around 90% of the final depth, values of observed earth pressure showed middle values between those of Peck's and Tschebotarioffs apparent earth pressures. It was also observed that, when excavation depth is deep, values of the earth pressures from the rigid wall were similar to those estimated from conventional earth pressure distribution shape proposed for flexible walls.
 
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Back analysis;Deposited soil;Pressure cell;Rigid diaphragm wall;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.25, no.5, 2009³â, pp.39-46
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200921140046731)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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