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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.3, 2006³â, pp.5-11
dzȭ¾Ï°ú ¿¬¾Ï¿¡ ±ÙÀÔµÈ ´ë±¸°æ ¸»¶ÒÀÇ ÃàÇÏÁßÁöÁö °Åµ¿¿¡ °üÇÑ ¿¬±¸
( Study on Large Diameter Steel-cased Piles Socketed in Weathered and Fresh Rocks )
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±¤¾È´ë±³¿¡ ¼³Ä¡µÈ µÎ°³ÀÇ ´ë±¸°æ ¸»¶Ò(TS-1°ú TS-2)¿¡ ´ëÇÏ¿© ÃÖ´ë 2000ÅæÀÇ ÇÏÁßÀ» ÀçÇÏÇÏ¿© Á¤ÀçÇϽÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ½ÃÇè ¸»¶Ò TS-1ÀÇ °æ¿ì´Â ¿¬¾Ï¿¡ ±ÙÀԵǾú°í ½ÃÇè ¸»¶ÒTS-2ÀÇ °æ¿ì´Â dzȭ¾Ï¿¡ ±ÙÀԵǾú´Ù. ÀçÇϽÃÇè °á°ú¿¡ ÀÇÇϸé, ÁöÁöÃþ°ú »ó°ü¾øÀÌ ½ÃÇ踻¶Ò TS-1°ú TS-2 ¾çÂÊ °æ¿ì´Ù ´ëºÎºÐÀÇ ÇÏÁßÀÌ Ç³È­¾Ï¿¡ ÀÇÇØ ÁöÁöµÇ¾ú´Ù. Ãß°¡ÀûÀ¸·Î ÆæÅ¸°ï3D¿Í ROCKET ÇÁ·Î±×·¥À¸·Î ¼öÄ¡ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. º» ¿¬±¸¿¡ ÀÇÇϸé dzȭ¾ÏÀÌ ±í°Ô ¹ß´ÞµÇ¾î ¸»¶Ò ½Ã°ø»ó ¾î·Á¿òÀÌ ÀÖÀ» °æ¿ì, dzȭ¾Ïµµ ´ë¾ÈÀÇ ÁöÁöÃþÀ¸·Î °í·ÁµÇ¾îÁú ¼ö ÀÖ´Ù.
Two large diameter steel cased piles (TS-1 and TS-2) were installed and load-tested with the maximum load of 2000 ton at Kwang-An grand bridge. One of the test piles (TS-1) was socketed into the fresh rock and the other test pile (TS-2) was socketed into the weathered rock. Most loads were carried by the weathered rock layer at the maximum applied load for the test piles. In addition, numerical studies were performed using PENTAGON 3D and ROCKET. Based on this study, the weathered rock layer provided sufficient side resistances and possibility of an alternative embedded layer if weathered rocks are deeply layered over fresh rock, which caused difficulties and cost in construction.
 
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Fresh rock;Large diameter steel cased piles;Rock socket;Weathered rock;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.3, 2006³â, pp.5-11
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200622219289007)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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