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Çѱ¹Áö¹Ý°øÇÐȸ / v.27, no.2, 2011³â, pp.35-42
¾Ï¹Ý¿¡ ±ÙÀÔµÈ ÇöÀ埼³¸»¶Ò¿¡ ÀÛ¿ëÇÏ´Â ÀÜ·ùÀÀ·ÂÀÇ ÇöÀå°Åµ¿
( Field Behavior of Residual Stresses on Rock Socketed Drilled Shafts )
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ÇöÀ埼³¸»¶ÒÀÇ ÇÏÁßÀüÀ̺м® ½Ã, ¸»¶Ò¿¡ ÀÛ¿ëÇÏ´Â ÀÜ·ùÀÀ·ÂÀº Á¾Á¾ ¹«½ÃµÇ¾î ¿Ô´Ù. ±×·¯³ª ¸»¶Ò¿¡ ÀÛ¿ëÇÏ´Â Ãʱâ ÇÏÁ߸¦ ¹«½ÃÇÔ¿¡ µû¶ó¼­ ºÐ¼®µÈ ÇÏÁßÀüÀ̰ŵ¿ÀÌ ½ÇÁ¦ ÇÏÁßÀüÀ̰ŵ¿°ú »óÀÌÇÏ°Ô ³ªÅ¸³ª´Â °á°ú¸¦ ÃÊ·¡Çϱ⵵ ÇÑ´Ù. ÀÌ·¯ÇÑ ÇöÀ埼³¸»¶Ò¿¡ ÀÛ¿ëÇÏ´Â ÀÜ·ùÀÀ·ÂÀº ÄÜÅ©¸®Æ®ÀÇ ¼öÃà/ÆØÃ¢ ¶Ç´Â Áö¹ÝÀÇ Æ¯¼º¿¡ ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ¸î¸îÀÇ ¿¬±¸°á°ú¿¡ ÀÇÇÏ¿© ³ªÅ¸³µ´Ù. º» ¿¬±¸¿¡¼­´Â ¾Ï¹Ý¿¡ ±ÙÀÔµÈ ÇöÀ埼³¸»¶ÒÀ» ½ÃÇè½Ã°øÇÏ¿© ÀÜ·ùÀÀ·ÂÀ» ÃøÁ¤ÇÏ°í ºÐ¼® ÇÏ¿´À¸¸ç, ÀÌ¿¡ µû¸¥ ÀÜ·ùÀÀ·Â¿¡ ¹ÌÄ¡´Â ¿ä¼Òµé¿¡ ´ëÇÏ¿© °ËÅä ºÐ¼®ÇÏ¿´´Ù.
The residual stress on drilled shafts is often neglected. Neglect of the existence of locked-in loads in the shaft is the main reason for conclusions of instrumented tests which suggest that shaft resistance is smaller when the shaft is loaded in tension than when it is loaded in compression. A few researchers studied the residual stress and mentioned that the residual stress is influenced by either the physical expansion/contraction of concrete during the curing or site stratigraphy. In this study, field measurements of residual stress on test shafts were conducted and the factors influencing the residual stress were figured out.
 
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Concrete;Field measurements;Residual stress;Rock socketed drilled shafts;Site stratigraphy;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.27, no.2, 2011³â, pp.35-42
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201116637923616)
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