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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.12, 2010³â, pp.31-40
¸»¶ÒµÎºÎ±¸¼ÓÁ¶°ÇÀ» °í·ÁÇÑ ¸»¶ÒÁöÁö Àü¸é±âÃÊÀÇ ÃÖÀû´Ü¸é ¼³°è
( A Study on the Optimum Design of Piled-raft Foundation Considering Pile Head Condition )
Á¶À翬;À̼ºÁØ;Á¤»ó¼¶; ¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¼öÁ÷ ¹× ¼öÆòÇÏÁßÀ» ¹Þ´Â ¸»¶Ò±âÃÊÀÇ µÎºÎ±¸¼ÓÁ¶°Ç(°íÁ¤´Ü, ÈùÁö´Ü)¿¡ µû¸¥ 3Â÷¿ø ¼öÄ¡ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. ¼öÆòÇÏÁß°ú ¼öÁ÷ÇÏÁß ÀÛ¿ë ½Ã ¸»¶Ò°ú ±âÃÊÀÇ °­°áÇÕ(°íÁ¤´Ü)ÀÌ ÈùÁö°áÇÕ¿¡ ºñÇÏ¿© ¸»¶ÒµÎºÎ¿¡¼­ Ⱦ¹æÇâ °­¼º ¹× ´Ü¸é ¹ß»ý¸ð¸àÆ®(ÈÚ¸ð¸àÆ®)°¡ Å©°Ô ³ªÅ¸³ª°í Àü¸é±âÃÊ(raft)¿¡¼­ ¹ß»ýÇÏ´Â Àü´Ü·Âµµ Å©°Ô ³ªÅ¸³²À» ¾Ë ¼ö ÀÖ¾ú´Ù. µû¶ó¼­ ¸»¶ÒÀÇ µÎºÎ±¸¼ÓÁ¶°ÇÀÌ ¸»¶Ò±âÃÊ ÀüüÀÇ °Åµ¿¿¡ Áö´ëÇÑ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾úÀ¸¸ç, ÈùÁö°áÇÕÀÌ °­°áÇÕ°ú ºñ±³ÇÏ¿© Àü¸é±âÃÊÀÇ µÎ²² ¹× ¸»¶ÒÀÇ Ã¶±Ù ¹è±Ù·®À» °¨¼Ò½Ãų ¼ö Àֱ⠶§¹®¿¡ Çã¿ëº¯À§¸¦ ¸¸Á·ÇÏ´Â ¼±¿¡¼­ °æÁ¦ÀûÀÎ ¸»¶Ò±âÃÊÀÇ ¼³°è°¡ °¡´ÉÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
This study describes the three-dimensional behavior of pile foundations based on a numerical study. A series of numerical analyses were performed for connectivity conditions between piles and cap under vertical and lateral loadings. It is shown that a fixed connection between pile and cap is able to transfer significant bending moment through the connection and increases the pile lateral stiffness and the bending moment. Based on the results obtained, it was found that the cross sectional shear force in the raft with fixed head condition was larger than that of pinned head condition. Thus, the reinforcement of pile head and thickness of the raft also increases in fixed pile head condition. From the results, it is found that the overall behavior and cross sectional forces of pile foundations is affected significantly by the pile head conditions. Furthermore, the design of pile foundations with pinned head condition was judged to be less costly and very useful for preliminary design stages.
 
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FBPier 3.0;High-rise building;Pile foundations;Pile head condition;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.12, 2010³â, pp.31-40
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201014435572031)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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