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Çѱ¹Áö¹Ý°øÇÐȸ / v.6, no.3, 1990³â, pp.13-30
¸»¶Ò±âÈ£ÀÇ ³»ÁøÇؼ®¿¡ ´ëÇÑ ¿¬±¸
( A Study on Seismic Response of Pile Foundations for Aseismic Design )
ÀÌÀθð;¿ÀÁø±â; Á¤È¸¿ø, °í·Á´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°í·Á´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ±íÀº ±âÃÊÀÇ ³»Áø¼³°è¿¡ Àû¿ëÇϱâ À§ÇØ, ÁöÁøÇÏÁß¿¡ ÀÇÇÑ ¸»¶Ò±âÃÊÀÇ ÀÀ´äÀ» »êÃâÇÏ¿© ºñ±³, °ËÅäÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ »ç¿ëµÈ ÇØ¼® ¹æ¹ýÀº Subgrade Reaction Theory ¹× ź¼ºÇؼ®¹ý°ú °°Àº À¯»çÁ¤Àû ÇØ¼®¹æ¹ý, Prakash¹× Gazetas°¡ °¢°¢ Á¦¾ÈÇÑ µ¿Àû ÇØ¼®¹æ¹ýÀ̸ç, ¿¹Á¦Çؼ®À» ÅëÇØ ¸»¶ÒÀÇ ÃÖ´ë »ó´ëº¯À§ ¹× ÃÖ´ë ÈÚ¸ð¸àÆ®¸¦ À§ÀÇ °¢ ¹æ¹ýÀ» ÀÌ¿ëÇØ¼­ »êÃâÇÏ¿´°í, ±× °á°ú¸¦ °¢°¢ ºñ±³ÇÏ¿´´Ù. ¶ÇÇÑ ¸»¶ÒÀÇ ±ºÈ¿°ú¸¦ ±Ù»çÀûÀ¸·Î °í·ÁÇÏ¿© Novak¿¡ ÀÇÇØ ¼öÇàµÈ ½ÇÇè °á°ú¿Í ºñ±³ÇÏ¿´´Ù. ÇØ¼®°á°ú¸¦ ºÐ¼®ÇØ º¼ ¶§ Kaynia¿Í KauselÀÌ Á¦¾ÈÇÑ µ¿Àû Group Interaction Factor Approach ¿¡ ÀÇÇÑ ¶¥¹ý ¹× Gazetas°¡ Á¦¾ÈÇÑ ¹æ¹ýÀÇ ÃÖ´ë »ó´ëº¯À§´Â ½ÇÃøÄ¡¿Í ºÎÇÕÇÏ°Ô »êÁ¤µÇ¾úÀ¸¸ç, Prakash °¡ Á¦¾ÈÇÑ ¹æ¹ý°ú Á¤Àû Group Interaction Factor Approach¿¡ ÀÇÇÑ º¯À§ ¹× ÈÚ¸ð¸àÆ®´Â °ú´ëÆò°¡µÇ¾ú´Ù. ±×·¯¹Ç·Î, ¸»¶ÒÀÇ ³»Áø¼³°è½Ã¿¡ µ¿Àû Group Interaction Factor Approach¿Í °áÇÕÇÑ À¯»çÁ¤ÀûÇØ¼® À» »ç¿ëÇϰí Gazetas°¡ Á¦¾ÈÇÑ µ¿Àû¹æ¹ý¿¡ ÀÇÇØ À̸¦ °ËÅäÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù.
In this paper, response of pile foundations under seismic loading is studied for use in aseismic design of deep foundations. Both the pseudostatic methods such as subgrade reaction theory by Reese, and elastic analysis by Poulos, and the dynamic methods proposed by, respectively, Prakash and Gazetas, are used for this study. The top displacements and maximum bending moments of example piles are obtained by each method mentioned above, and the results by each method are compared among others. The group pile effects are also considered approximately. The calculated results are compared with experimental results obtained by Novak in 1984. The pseudostatic methods, combined with dynamic group interaction factors, and the dynamic method proposed by Gazetas which considers both kinematic interaction and inertial interaction, separately, estimate the top displacements reasonably well : the method by Prakah or the pseudostatic methods combined with static group interaction factors may overestimate the top displacements and bending moments as well. Therefore, it is recommended to the the simple elastic analysis combined with dynamic group interaction factors for aseismic design of pile foundatins and to confirm the results by the Gaz etas' dynamic methods.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.6, no.3, 1990³â, pp.13-30
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199011920443924)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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