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Çѱ¹µµ·ÎÇÐȸ / v.5, no.2, 2003³â, pp.25-35
À¯µ¿¼º ä¿òÀ縦 ÀÌ¿ëÇÑ ÁöÇÏ ¸Å¼³°üÀÇ º¯ÇüƯ¼º ¿¬±¸
( Deformation Behavior Underground Pipe with CLSM )
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¿øÇüÁöÇϸż³°üÀÇ °æ¿ì °üÀÇ ÇϴܺÎÀÇ ´ÙÁüÀÌ ¸Å¿ì ¾î·Æ°í, ¶ÇÇÑ ´ÙÁüÈ¿À²ÀÌ ¶³¾îÁ®¼­ ÁöÇϸż³¹°ÀÇ ¾ÈÁ¤¼ºÀ» Àú°¨½Ã۰í, ÀÌ·Î ÀÎÇØ °¢Á¾ ÆÄ¼ÕÀÌ ¹ß»ýÇÏ´Â ¹®Á¦Á¡À» °¡Áö°í ÀÖ´Ù. ÀÌ·¯ÇÑ ¹®Á¦Á¡À» ÇØ°áÇÒ ¼ö ÀÖ´Â ÇϳªÀÇ ´ë¾ÈÀ¸·Î Àú°­µµ ÄÜÅ©¸®Æ® °³³äÀ» Áö¹Ý°øÇп¡ Àû¿ëÇÏ¿© ¸¸µé¾îÁø CLSMÀ» ÀÌ¿ëÇÏ´Â °ÍÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â Áö±Ý±îÁöÀÇ CLSM ½Ç³»½ÇÇè°á°ú¸¦ ÀÌ¿ëÇÏ¿© ÇöÀåÀû¿ë¼º ½ÃÇèÀ» Çϱâ À§ÇÑ Áß°£´Ü°è·Î¼­ º£µùÀç, µÚä¿òÀç, °üÀÇ Á¾·ù¸¦ º¯È­½ÃŲ 20°¡Áö »ç·Ê¿¡ ´ëÇÑ PENTAGON À¯ÇÑ¿ä¼Ò ÇÁ·Î±×·¥À» ÀÌ¿ëÇÏ¿© ¼öÄ¡ÇØ¼®À» ½Ç½ÃÇÏ¿´´Ù. ¼öÄ¡ÇØ¼®À» ½Ç½ÃÇÑ °á°ú µÚä¿òÀç·Î CLSMÀ» »ç¿ëÇÏ´Â °æ¿ì¿¡ Åä»ç³ª ÀϹݸ𷡸¦ »ç¿ëÇÑ °æ¿ìº¸´Ù ÁöÇ¥¸é ¹× °üÀÇ Ä§Çϸ¦ ÇöÀúÈ÷ °¨¼Ò½ÃŰ´Â °ÍÀ¸·Î ÇØ¼®µÇ¾ú´Ù. °üÀÇ ¿¬Á÷º¯À§¸¦ ³õ°í º¼ ¶§ Åä»ç µÚä¿òÀ» »ç¿ëÇÑ °æ¿ì¿¡ ¿¬¼º°üÀÇ º¯À§·®ÀÌ °­¼º°üÀÇ 2¹è Á¤µµ¿¡ ´ÞÇßÀ¸³ª CLSMÀ¸·Î ´ëüÇÑ °æ¿ì¿¡´Â ¿ÀÈ÷·Á Åä»ç µÚä¿ò¿¡ °­¼º°üÀ» »ç¿ëÇÑ °æ¿ìº¸´Ù º¯À§°¡ ÁÙ¾îµé¾ú´Ù. CLSM µÚä¿ò¿¡ °­¼º°üÀ» »ç¿ëÇÑ °æ¿ìµµ À¯»çÇÏ°Ô ³ªÅ¸³µ°í, CLSMÀÌ ±¸Á¶ÀûÀÎ ÁöÁö ¿ªÇÒÀ» È®½ÇÈ÷ ÇÔÀ» º¸¿©ÁØ´Ù.
During construction of circular lifeline pipe, the non-proper compaction along the pipe and the decrease of compaction efficiency are the main problems to induce the failure of underground pipe. The use of CLSM(controlled low strength materials) is one of the applications to overcome those problems. In this research, the numerical analysis by PENTAGON FEM program was carried out for 20 cases with the couple of combinations on bedding materials, backfill materials, and pipes. From the FEM analysis, the use of CLSM as backfill materials reduced the settlement of ground surface and the deformation of pipe employed. In case of the vertical deformation on the pipe, common soil backfill for flexible pipes showed 2 times for rigid pipes, but CLSM backfill case did less deformation than the soil backfill for rigid pipes. CLSM backfills for rigid pipes showed the similar results. Judging from the FEM analysis, the use of CLSM increases the structure capacity of the underground pipes.
 
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ÁöÇϸż³¹°;º£µùÀç;µÚä¿òÀç;°­¼º°ü;¿¬¼º°ü;underground structure;CLSM; bedding materials;backfill materials;rigid pipe;flexible pipe;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.5, no.2, 2003³â, pp.25-35
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200315637522557)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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