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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.8, 2005³â, pp.5-12
»çÁúÅä Áö¹Ý¿¡¼­ H-Çü °­¸»¶ÒÀÇ Ãà¹æÇ⠰ŵ¿
( Behavior of H-Type Steel Pile Under Axial Lond in Cohesionless Soils )
È«»ç¸é;ÀÌ¿µ»ý; ÀÌ¿£¾¾ Áö¹Ý°øÇкÎ;°æ±â´ëÇб³ Åä¸ñȯ°æ°øÇкÎ;
 
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ÃàÇÏÁßÀÌ ÀÛ¿ëÇÏ´Â ¸»¶Ò¿¡ ´ëÇÑ °Åµ¿ ÇØ¼® ½Ã Ãʱ⿡´Â ¿©·¯ °¡Á¤À» ´Ü¼øÈ­Çϰųª ¶Ç´Â ÇöÀå¿¡¼­ ¸¹Àº ÀçÇϽÃÇèÀ» ÅëÇØ ¾ÈÁ¤¼ºÀ» Æò°¡ÇÏ´Â °ÍÀÌ ÃÖ¼±ÀÇ ¹æ¹ýÀ̾ú´Ù. ±×·¯³ª ÃÖ±Ù µé¾î ÄÄÇ»ÅÍÀÇ ¹ß´Þ·Î ÃàÇÏÁßÀ» ¹Þ´Â ¸»¶ÒÀÇ °Åµ¿À» º¸´Ù º¹ÀâÇϰí Á¤±³ÇÏ°Ô ÇØ¼®ÇÒ ¼ö ÀÖ°Ô µÇ¾úÀ¸¸ç ÀÌ·¯ÇÑ ¹æ¹ýµéÀº º¸´Ù Çö½ÇÀûÀ̰í Á¤È®ÇÑ °á°ú¸¦ »êÃâ °¡´ÉÇÏ°Ô ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­´Â Coyle°ú Reese(1966)°¡ Á¦¾ÈÇÑ ÇÏÁßÀüÀ̹ý¿¡ ±Ù°ÅÇÑ À¯ÇÑÂ÷ºÐÇØ¼® ÇÁ·Î±×·¥À» °³¹ßÇÏ¿´´Ù. ¼öÄ¡ÇØ¼®¿¡ Àû¿ëÇÑ ±ØÇÑ´ÜÀ§ÁÖ¸éÀúÇ× $f_{max}$´Â ¿©·¯ Á¦¾ÈÀÚ¿¡ µû¶ó ´Ù¾çÇÑ ¹æ¹ýÀ¸·Î »êÁ¤ÇÏ¿´´Âµ¥ ÀÌ·¸°Ô »êÁ¤µÈ °ªµéÀ» Vijayvergiya(1977) ±×¸®°í Mosher µî(2000)ÀÇ t-z¸ðµ¨¿¡ Àû¿ëÇÏ¿© ¼öÄ¡ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. ÀÌ·¯ÇÑ t-z ¸ðµ¨µéÀ» Àû¿ëÇÏ¿© ¼öÄ¡ÇØ¼®ÇÑ °á°ú ÁÖ¸éÀúÇ× °ªÀº ½ÇÃøÄ¡º¸´Ù ´Ù¼Ò ÀÛ°Ô »êÁ¤µÇ¾úÁö¸¸ ÀüüÀûÀ¸·Î À¯»çÇÑ °Åµ¿À» ³ªÅ¸³»¾ú´Ù. H-¸»¶Ò ŸÀÔ ½Ã ¹ß»ýÇÑ ÇÔ¸ôºÎÀÇ ¿µÇâÀ» °í·ÁÇϱâ À§ÇÏ¿© ºÎºÐÆó»ö´Ü¸éÀ¸·Î ¼öÄ¡ÇØ¼®À» ¼öÇàÇÑ °á°ú ºñ±³Àû ½ÇÃøÄ¡¿¡ ±ÙÁ¢ÇÑ °á°ú¸¦ ³ªÅ¸³»¾ú´Ù. À̰ÍÀº ÇÔ¸ôºÎ¿¡ ´À½¼ÇÑ ¸ð·¡°¡ ÃæÁøµÇ¾î Æó»öÀÌ Á¦´ë·Î µÇÁö ¾ÊÀº »óŸ¦ ºñ±³Àû Àß °í·ÁÇÑ °á°ú·Î ÆÇ´ÜµÈ´Ù.
In early days, to analyze the behavior of single pile under axial load, many assumptions were made and field tests were performed. But in recent days, the development of computers led the use of the numerical analysis resulting in more realistic and correct results. The numerical methods are classified into Load Transfer Method and Elastic Solid Approach. In this study a numerical program applying t-z model to Load Transfer Method suggested by Coyle & Reese was developed. And another finite difference program using matrix based on this load transfer was developed. As a result, it is found that the values of the F.D.M. were similar to the values measured in-situ.
 
Ű¿öµå
Finite difference method;H-pile;t-z model;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.8, 2005³â, pp.5-12
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200507523322115)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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