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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.5, 1996³â, pp.5-16
°í¾ÐºÐ»çÁÖÀÔ°ø¹ý¿¡ ÀÇÇÑ Áö¹Ý°³·®»ç·Ê¿¬±¸(II) -È븷À̺® ¹è¸éÁö¹Ýº¸°­ ¹× Â÷¼öÈ¿°ú
( Case Studies on Ground Improvement by High Pressure Jet Grouting(II) Effect on the Ground Reinforcement and Cut off of Ground Water Behind Temporary Retaining Walls )
À±Á߸¸;È«¿øÇ¥;Á¤Çü¿ë; Áß¾Ó´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;Áß¾Ó´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú, Çѱ¹±â¼ú°³¹ß°ø»ç;;
 
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ÁöÇϼöÀ§°¡ ³ô°í ´À½¼ÇÑ »çÁúÅäÁö¹Ý¿¡¼­ °¡¼³È븷À̺®À» ¼³Ä¡ÇÏ¿© ÁöÇϱ¼Âø°ø»ç¸¦ ½Ç½ÃÇÒ °æ¿ì ±¼ÂøÀú¸é¿¡¼­ º¸ÀϸµÇö»óÀÌ ¹ß»ýÇÏ¿© ±¼Âø°ø»ç »Ó¸¸ ¾Æ´Ï¶ó ÀÎÁ¢±¸Á¶¹°¿¡ »ó´çÇÑ ÇÇÇØ¸¦ ÁÖ°Ô µÈ´Ù. µû¶ó¼­ ÃÖ±Ù¿¡´Â È븷À̺® ¹è¸éÁö¹ÝÀÇ °­µµ¸¦ Áõ´ë½ÃŰ¸é¼­ µ¿½Ã¿¡ È븷À̺®ÀÇ Â÷¼öÈ¿°ú¸¦ ³ôÀ̱â À§ÇÏ¿© °í¾ÐºÐ»çÁÖÀÔ°ø¹ýÀ» ½Ç½ÃÇÏ¿© Â÷¼öº®À» ¼³Ä¡ÇÏ´Â º¸Á¶°ø¹ýÀÎ ³ÎÁö ÀÌ¿ëµÇ°í ÀÖ´Ù. °í¾ÐºÐ»çÁÖÀÔ°ø¹ý¿¡ ÀÇÇØ °¡¼³È븷À̺® ¹è¸éÁö¹Ý¿¡ ½Ã°øµÈ Áö¹Ý°³·®Ã¼ÀÇ Áö¹Ýº¸°­È¿°ú ¹× Â÷¼öÈ¿°ú¸¦ °ËÅäÇϱâ À§ÇÏ¿© °¢Á¾ ½Ç³»½ÃÇè ¹× ÇöÀå½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ½ÃÇè°á°ú Áö¹Ý°³·®Ã¼´Â Áö¹ÝÁ¶°Ç°ú ½Ã°ø¹æ¹ý¿¡ µû¶ó ¾à°£ÀÇ Â÷ÀÌ´Â ÀÖÀ¸³ª ÃæºÐÇÑ È븷À̺® ¹è¸éÁö¹ÝÀÇ º¸°­ ¹× º®Ã¼ÀÇ °­¼ºº¸°­ È¿°ú¸¦ ¾òÀ» ¼ö ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÇÑÆí Áö¹Ý°³·®Ã¼ÀÇ Åõ¼ö°è¼ö´Â ¿øÁö¹ÝÀÇ Åõ¼ö °è¼öº¸´Ù 10-2~10-3cm/sÁ¤µµ À۾Ƽ­ È븷À̺®ÀÇ Â÷¼öÈ¿°ú¸¦ ±â´ëÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
When braced excavation with temporary retaining wall installation, is performed in loose sand with high ground water level boiling may be induced and considerable damage on the excavation works and structures in the vicinity can take place. Recently, for the purpose of reinforcement of ground and cut-off of ground water behind the temporary retaining wall, high pressure jet grouting is widely used. The purpose of this paper is to investigate the effects of jet grouting on ground reinforcement and cut -off of the ground water behind temporary retaining walls for braced excavation. A series of both laboratory and field tests has been performed. The test results show that high pressure jet grouting has sufficient effects on reinforcement of stiffness of ground and retaining wall. The permeability of the improved ground was 10-f_ 10-3cm l s smaller than those of the original ground. Therefore, the effect on cut off of ground water behind temporary retaining walls could be improved by high pressure jet grouting method.
 
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Jet Grouting;Soil improvement;Braced excavation;Temparary retaining wall;Soil strengte;Permeability;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.5, 1996³â, pp.5-16
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446782)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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