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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.3, 2005³â, pp.43-54
ÇØ¼ºÁ¡ÅäÃþ¿¡ ½Ç½ÃµÈ ÁöÁß¿¬¼Óº® ½Ã°ø¿¡ ÀÇÇÑ Áö¹ÝÀÇ º¯À§ ºÐ¼®
( Analysis of Ground Movement During Diaphragm Well Panel Constructions in Sedimentary Marine Deposit )
ÀÌöÁÖ; »ï¼ºÁß°ø¾÷(ÁÖ) °Ç¼³»ç¾÷ºÎ Åä¸ñ±â¼úÆÀ;
 
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º» ¿¬±¸¿¡¼­´Â3°³¼ÒÀÇ ÁöÁß¿¬¼Óº®(D) ½ÃÇè½Ã°ø¿¡ ÀÇÇØ À¯¹ßµÈ Áö¹ÝÀÇ º¯À§¿¡ ´ëÇÑ ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù. DWÀÇ ½Ã°øÀº ÃÖ±Ù¿¡ ½Ç½ÃµÈ ¸Å¸³¿¡ ÀÇÇØ ¾Ð¹ÐÀÌ ÁøÇàÁßÀÎ ¾ÐÃø¼ºÀÌ ³ôÀº ÇØ¼ºÁ¡ÅäÃþ ¹× dzȭÀÜÀûÅä Áö¹Ý¿¡¼­ ½Ç½ÃµÇ¾ú´Ù. ¼öÆòº¯À§ÀÇ °èÃø°á°ú´Â DW½Ã°ø¿¡ ÀÇÇØ ÃÖ´ë 293mmÀÇ ¸Å¿ì Å« º¯À§°¡ ¹ß»ýÇÔÀ» º¸¿©ÁÖ°í Àִµ¥, ÀÌ´Â ¾à 0.8$%$ D(D=ÃÖ´ë±¼Âø°í)¿¡ ÇØ´çµÇ´Â °ªÀÌ´Ù. DWÀÇ ½Ã°ø µµÁß ±¼Âø¸éÀ» ÀǵµÀûÀ¸·Î ¹æÄ¡ÇÏ´Â °æ¿ì, Áö¹Ý º¯À§°¡ ¾à 50-225$%$ Áõ°¡ÇÏ¿´´Ù. DW ½Ã°ø ÀÌÀü¿¡ ÇØ¼ºÁ¡ÅäÃþÀ» Á¦Æ® ±×¶ó¿ìÆ®·Î º¸°­ÇÏ°Ô µÇ¸é Áö¹Ýº¯À§°¡ ¸Å¿ì È¿°úÀûÀ¸·Î °¨¼ÒµÈ °ÍÀ¸·Î °üÃøµÇ¾ú´Ù. º» ¿¬±¸¿¡¼­ °üÃøµÈ ÁöǥħÇϸ¦ À¯»çÇÑ Á¶°Ç¿¡¼­ ½Ç½ÃµÈ DW ½Ã°ø»ç·Ê¿¡¼­ ÃøÁ¤µÈ ÁöǥħÇÏÀÇ ¾ç»ó°ú °£Á¢ ºñ±³ÇÑ °á°ú¿¡ µû¸£¸é, ÇØ¼ºÁüÅäÃþ¿¡ DWÀ» ½Ã°øÇÏ´Â °æ¿ì ÃÖ´ë 0.225$%$ DÀÇ ÁöǥħÇϰ¡ ¹ß»ýÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù.
The ground movements during three. full-scale trial diaphragm wall (DW) panel constructions were monitored and analysed. The DW panels were constructed in reclaimed fill where sedimentary marine deposit and residual weathered soils are being consolidated. The monitoring data showed exceptionally large lateral ground movements of up to 293 mm near a trench due to the DW panel constructions, which is about 0.8$%$ D, where D is the maximum excavation depth. It was observed that deliberate holding period of the trench resulted in a significant increase in the lateral ground movements of about 50-225$%$. A pre-treatment of the marine deposit by installing a single line of jet grout columns around the trench prior to the excavation was found to be a very effective way of reducing the ground movements. The measured ground settlements were compared with some relevant case histories. DW panel constructions in sedimentary marine deposit are likely to cause maximum ground surface settlement up to 0.225$%$ D.
 
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Deformation;Diaphragm wall;Excavation;Field measurement;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.3, 2005³â, pp.43-54
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200520828086278)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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