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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.9, 2006³â, pp.15-22
´éÁÙº¯Çü¿¡ °üÇÑ ¿ø½É¸ðÇüÇØ¼®
( Centrifuge Model Analysis on Mooring Line Deformation )
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¼±¹ÚÀ» Á¤Âø½Ã۱â À§ÇÏ¿© ÇØÀúÁö¹Ý¿¡ °üÀÔµÈ µå·¡±× / ¿µ±¸¾ÞÄ¿¿Í ¾ÞÄ¿¿¡ ¿¬°áµÈ ´éÁÙÀÇ ÁöÁö·Â ¹× º¯ÇüÀ» ÇØ¼®ÇÏ¿©, ±âÁ¸ÀÇ ¾ÞÄ¿¿Í ´éÁÙÀÇ ºÐ¼® ¹× °³¹ßÀ» À§ÇÏ¿© ¸¸µé¾îÁø ÇØ¼®ÇÁ·Î±×·¥À» calibration Çϱâ À§ÇÏ¿© ¿ø½É¸ðÇü½ÃÇè±â¸¦ »ç¿ëÇÑ ½ÃÇèÀ» ÇÏ¿´´Ù. ½ÃÇè¿¡ »ç¿ëµÈ ´éÁÙÀº ball chain ¹× wire cable·Î½á, ÀÏÁ¤ÇÑ ´Ü¸éÀ» °¡Áö°í ÀÖÀ¸¸ç, ÇØ¼ºÁ¡Åä Áö¹Ý ¾È¿¡ ´Ù¾çÇÑ ±íÀÌ·Î Á¤Âø½ÃŲ ÈÄ ¿ø½É¸ðÇü½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ÇöÀåÀÀ·ÂÁ¶°ÇÀ» ¸ð»çÇϱâ À§ÇÏ¿©, ¹Ì¸® ÀÀ·ÂÀ» °¡ÇÑ ½ÃÇè¿ë ´éÁÙ¿¡ ´Ü°èº° °¡¼ÓÀ» ÇÏ¿´´Ù. ÀÌ ³í¹®Àº ´éÁÙÀÇ ÇØ¼®À» À§ÇÑ Áß¿äÇÑ µÎ °¡Áö º¯¼öÀÎ ´éÁÙ°ú Áö¹ÝÀÇ ºÎÂø·Â ¹× Á¢Âø¸éÀûȯ»ê°è¼ö¸¦ °áÁ¤Çϱâ À§ÇÑ °úÁ¤À» ¼³¸íÇϰíÀÚ ÇÏ¿´À¸¸ç, ÀÌ·Î ÀÎÇÑ ´éÁÙÀÇ º¯Çü ¹× ÁöÁö·Â º¯È­¸¦ ±Ô¸íÇÏ¿´´Ù.
Single segmented mooring lines were tested in a geotechnical centrifuge for the purpose of calibrating the analytical solution developed for the analysis and design of various mooring lines associated with underwater drag/permanent anchors. The model mooring lines included steel ball chains and wire cables placed at various depths within the soft clayey seafloor soil. The mooring lines were loaded to preset tensions at the water surface under an elevated acceleration inside the centrifuge to simulate the field stress conditions experienced by the prototype mooring lines. This paper describes the calibration of two factors that are used as part of the input parameters in the analytical solution of mooring lines and considers the effect of chasing wires that were used in the experiment to determine the locations of the mooring lines.
 
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Centrifuge;Mooring line;Seafloor soil;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.9, 2006³â, pp.15-22
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634515067340)
¾ð¾î : ¿µ¾î
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