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Çѱ¹Áö¹Ý°øÇÐȸ / v.11, no.2, 1995³â, pp.19-28
¼ÒÇü ¾Ð·Â ÅäÁ¶³»¿¡ ŸÀÔµÈ ¸»¶ÒÀÇ ÀÎ¹ß °Åµ¿°ú ±ØÇÑ ÀÎ¹ß ÁöÁö·Â °áÁ¤¿¡ °üÇÑ ¿¬±¸
( Study on Pullout Behavior and Determination of Ultimate Uplift Capacity of Pile Driven in Small Pressured Chamber )
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¼ÒÇü ¾Ð·Â ÅäÁ¶(small pressure chamber)¸¦ ÀÌ¿ëÇÏ¿© Æ÷È­µÈ »çÁúÅä¿¡ ŸÀÔµÈ Æó´Ü °­°ü ¸»¶ÒÀÇ Àι߰ŵ¿ Ư¼ºÀ» ¿¬±¸ÇÏ¿´´Ù. ¼ÒÇü ¾Ð·Â ÅäÁ¶ ½ÃÇè¿¡¼­´Â ÀÎ¹ß ÇÏÁßÀÌ Àιߺ¯À§¿Í ÇÔ²² Áõ°¡ÇÏ´Ù°¡ ±ÞÀÛ½º·¯¿î ¹Ì²ô·¯Áü º¯À§°¡ ¹ß»ýµÇ´Â Çö»óÀÌ 2-3ȸ ¹Ýº¹µÇ´Ù°¡ ¿ÏÀü ÀÎ¹ßÆÄ±«¿¡ À̸£°Ô µÇ´Âµ¥, À̶§ ù¹øÂ° ¹Ì²ô·¯Áü º¯À§°¡ ¹ß»ýÇÏ´Â ÇÏÁßÀÇ Å©±â¸¦ ±ØÇÑ ÀÎ¹ß ÁöÁö·ÂÀ¸·Î Á¤ÀÇÇÒ ¼ö ÀÖ´Ù. ¶ÇÇÑ, ¼ÒÇü ¾Ð·Â ÅäÁ¶ ½ÃÇè¿¡¼­´Â ¹Ì¼¼ÇÑ ½ÃÇè Á¶°Ç¿¡ ÀÇÇØ¼­µµ ±ØÇÑ ÀÎ¹ß ÁöÁö·ÂÀÇ Å©±â°¡ 50% ÀÌ»óÀÇ ¿ÀÂ÷¸¦ ³ªÅ¸³¾ ¼öµµ ÀÖÀ¸¹Ç·Î ¸ðÇü Áö¹ÝÀ» Çü¼ºÇÒ ¶§¸¶´Ù ÀÎ¹ß ÀçÇÏ ½ÃÇè¿¡ ÀÇÇÏ¿© ±ØÇÑ ÀÎ¹ß ÁöÁö·ÂÀ» °áÁ¤ÇÏ¿© »ç¿ëÇÏ´Â °ÍÀÌ ÁÁÀ» °ÍÀ¸·Î ÆÇ´ÜµÇ¸ç, À̶§ 1Â÷ ÀÎ¹ß ½ÃÇè¿¡ ÀÇÇØ ±³¶õµÈ Áö¹ÝÀÇ »óÅ´ ¸ðÇü ¸»¶ÒÀÇ Å©±â¿¡ ÀûÇÕÇÑ Å¸°Ý¿¡³ÊÁö¸¦ °¡ÇØÁÖ¾î ȸº¹½Ãų ¼ö ÀÖ´Ù.
Based on the various test data acquired in the field, the large pressure chamber and the small pressure chamber, uplift behaviors and method of determining the ultimate uplift capacity of pile driven in small pressure chamber were studied. After uplift pile experienced 2 or 3 sudden slip due to increase of uplift load, complete pullout failure was occurred. Thus, it appears that the ultimate uplift capacity could be identified as the load at displacement where first slip occurs. The ultimate uplift capacity might be determined in every test and the disturbance after first uplift test could be recovered by adding one blow of the drop hammer, which had to depend on the model pile capacity.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.11, no.2, 1995³â, pp.19-28
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920445939)
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