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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.2, 2006³â, pp.19-28
±¼Âø °øÁ¤º° ÁÖº¯Áö¹Ý °Åµ¿ ºÐ¼®
( Sequential Analysis of Adjacent Ground Behaviors Caused by Deep Excavations )
¼­¹Î¿ì;¼®Á¤¿ì;¾ç±¸½Â;±è¸í¸ð; Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;»ï¼º¹°»ê(ÁÖ) °Ç¼³ºÎ¹® ±â¼ú¿¬±¸¼Ò;´ëº¸ÇØ¿î(ÁÖ);¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;
 
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±¼Âø °øÁ¤¿¡ µû¸¥ ÁÖº¯Áö¹ÝÀÇ °Åµ¿ Ư¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇÏ¿© ±¼Âø ±íÀ̰¡ 15m$¡­$29mÀÎ 3°³ ±¼ÂøÇöÀå¿¡¼­ Àå±â°£¿¡ °ÉÃÄ °èÃøÀ» ½Ç½ÃÇÏ°í ±× °á°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. ÀÌ ³í¹®¿¡¼­´Â º» ±¼Âø»Ó¸¸ ¾Æ´Ï¶ó Åä·ùº® ¼³Ä¡ ¹× Áöº¸ ÇØÃ¼ ÀÛ¾÷ÀÌ ±¼Âø ÁÖº¯Áö¹ÝÀÇ °Åµ¿¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¤·®ÀûÀ¸·Î Æò°¡Çϱâ À§ÇÏ¿© Àüü ±¼Âø °øÁ¤À» ±¼Åä Àü Áغñ °øÁ¤, º» ±¼Âø °øÁ¤, Áöº¸ ÇØÃ¼ÀÇ ¼¼ °øÁ¤À¸·Î ±¸ºÐÇÏ¿© °èÃøÀ» ¼öÇàÇÏ¿´´Ù. 3°³ ±¼ÂøÇöÀå¿¡¼­ ÀÌ·ç¾îÁø °èÃø°á°ú¿¡ ÀÇÇϸé, Áöº¸ ÇØÃ¼·Î ÀÎÇÏ¿© Ãß°¡ÀûÀ¸·Î ¹ß»ýÇÑ º®Ã¼ ¼öÆòº¯À§´Â º» ±¼Âø´Ü°è¿¡¼­ ¹ß»ýÇÑ º¯À§ÀÇ ¾à 40$%$ ³»¿Ü¿´À¸¸ç, ÁöǥħÇÏÀÇ °æ¿ì¿¡´Â º» ±¼Âø ½Ã ¹ß»ýÇÑ Ä§ÇÏüÀûÀÇ $18%¡­33%$°¡ ¹ß»ýÇÏ¿´´Ù. ÀÌ¿Í °°Àº ÇöÀå°èÃø °á°ú¸¦ ÅëÇÏ¿©, ±¼Âø Àü ¹× Áöº¸ ÇØÃ¼ °øÁ¤ Áß¿¡µµ ¹«½ÃÇÒ ¼ö ¾øÀ» Á¤µµÀÇ Áö¹Ý º¯À§°¡ ¹ß»ýÇÒ ¼ö ÀÖÀ½À» Á¤·®ÀûÀ¸·Î È®ÀÎÇÏ¿´´Ù.
Long-term field observations were performed in three excavation sites in order to investigate the displacement behavior of adjacent ground during overall excavation procedure, where the depths of deep excavations were 15 m$¡­$29 m. In this study, ground settlements and lateral displacements of braced wall measured during installation of retaining wall and removal of bracing were specially focused to evaluate the behavior quantitatively according to three-stage-divided procedure, i.e. pre-excavation, main excavation, and removal of bracing. Through field measurements on three excavation sites, lateral displacements induced during removal of bracing are approximate to 40$%$ of the amount found during main excavation stage and additional adjacent ground deformation during post-excavation procedure ranges from 18$%$ to 33$%$ of that found during main excavation stage, based on the settlement volume. In conclusion, it was quantitatively identified in this study that the deformations of adjacent ground during pre- and post-excavation stage were not negligible.
 
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Deep excavation;Excavation procedure;Main-excavation;Pre-excavation;Removal of bracings;Settlements;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.2, 2006³â, pp.19-28
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200614222999487)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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