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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.3, 2005³â, pp.149-157
Ⱦ¹æÇâ º¯ÇüÀ» °í·ÁÇÑ Á¶¸³Åä ´ÙÁü¸»¶ÒÀÇ Ä§ÇÏ·® Æò°¡±â¹ý Á¦¾È
( Suggestion of the Settlement Estimation Method for Granular Compaction files Considering Lateral Deformations )
ȲÁ¤¼ø;±èÈ«ÅÃ;±è½Â¿í;°í¿ëÀÏ; (ÁÖ)Çѱ¹Ã¶µµ±â¼ú°ø»ç Áö¹ÝÆÀ;È«ÀÍ´ëÇб³ Åä¸ñ°øÇаú;³ó¾÷±â¹Ý°ø»ç ³ó¾îÃÌ¿¬±¸¿ø;ÃÊ´ç´ëÇб³ Åä¸ñ°øÇаú;
 
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ÀϹÝÀûÀ¸·Î ´À½¼ÇÑ ÅðÀûÁö¹ÝÀ̳ª ¿¬¾àÇÑ Á¡¼ºÅä Áö¹ÝÀÇ °æ¿ì ±¸Á¶¹°ÀÇ ¾ÈÁ¤¼º ¿©ºÎ´Â ÁַΠħÇϱÔÁØ¿¡ ÀÇÇØ Áö¹èµÈ´Ù. µû¶ó¼­ ¿¬¾àÁö¹Ý¿¡ ÁÖ·Î Àû¿ë, ¼³Ä¡µÇ´Â Á¶¸³Åä ´ÙÁü¸»¶ÒÀº ±âÃʱ¸Á¶¹° º¸°­À̶ó´Â Ãø¸é¿¡¼­ Á¢±ÙÇÒ °æ¿ì ħÇÏ·®ÀÌ ¼³°è¸¦ Á¿ìÇÏ´Â Áö¹èÀÎÀÚ°¡ µÈ´Ù. ÇöÀç±îÁö Á¶¸³Åä ´ÙÁü¸»¶ÒÀÇ Ä§Çϰŵ¿¿¡ ´ëÇÑ ´ëºÎºÐÀÇ ¿¬±¸¼º°úµéÀº, Á¶¸³Åä ´ÙÁü¸»¶ÒÀÌ ¼³Ä¡µÈ Áö¹ÝÀ» º¹ÇÕÁö¹ÝÀ¸·Î ´Ü¼øÈ­ÇÏ¿© ºÐ¼®À» ¼öÇàÇÔÀ¸·Î½á, ¸»¶ÒÀÇ º¯Çü½Ã ÁÖ·Î ¹ß»ýÇÏ´Â »óºÎ¿µ¿ªÀÇ È¾¹æÇ⠰ŵ¿À» ¹Ý¿µÇÏÁö ¸øÇϰí ÀÀ·ÂºÐ´ãºñ·Î Ç¥ÇöµÇ´Â ¿¬Á÷¹æÇâÀÇ »ó´ë°­¼º Â÷ÀÌ¿Í Ä¡È¯À² ¸¸À» °í·ÁÇÑ´Ù´Â Á¦ÇѼºÀ» Áö´Ï°í ÀÖ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ÀÌ·¯ÇÑ Á¦ÇѼºÀ» º¸¿ÏÇÏ´Â µ¥ ÃÊÁ¡À» µÎ¾î, ¸»¶ÒÀç·áÀÇ °­¼º°ú Á÷°æ ±×¸®°í Áö¹ÝÀÇ ¿¬Á÷¹æÇâ °­¼º°ú ÇÔ²² Áö¹ÝÀÇ È¾¹æÇâ º¯Çü µîÀ» Á¾ÇÕÀûÀ¸·Î °í·ÁÇϴ ħÇÏ·® Æò°¡±â¹ýÀ» Á¦¾ÈÇÏ¿´À¸¸ç, Á¦¾ÈµÈ ħÇÏ·® Æò°¡±â¹ýÀ» ±âÁ¸ÀÇ ¿¬±¸¼º°úµé°úÀÇ ºñ±³¸¦ ÅëÇØ ±× Ÿ´ç¼º µîÀ» ÀÔÁõÇÏ¿´´Ù. ¾Æ¿ï·¯ Á¦¾ÈµÈ Æò°¡±â¹ýÀ» ÀÌ¿ëÇÏ¿© Á¶¸³Åä ´ÙÁü¸»¶ÒÀÇ Ä§ÇÏ¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¼³°èº¯¼ö¿¡ ´ëÇÑ ºÐ¼®À» ½ÃÇàÇÏ¿´À¸¸ç, À̸¦ Åä´ë·Î Á¶¸³Åä ´ÙÁü ¸»¶ÒÀÇ ¼³°è½Ã ÁÖ¿ä °í·Á»çÇ× µîÀ» Á¦½ÃÇÏ¿´´Ù.
In cases of the loosely accumulated ground and soft clayey soils, the settlement criterion usually governs in evaluating the stability of structures. The settlement is also a dominant factor to control the design of granular compaction piles mainly applied to the reinforcement of foundation structures in soft ground. In the previous studies, settlement behaviors of granular compaction piles have generally been analyzed with an evaluation of the settlement reduction factor based on the load-sharing ratio and the replacement ratio. In this approach, however, since the reinforced ground with granular compaction piles is simplified as the composite ground, only the difference of a relative vertical strength between piles and soils is taken into account without reflecting lateral behaviors of granular compaction piles. In the present study, the method of estimating the settlement of granular compaction piles is proposed by synthetically considering a vertical strength of the ground, lateral behaviors of granular compaction piles, the strength of pile materials, a pile diameter, and an installation distance of the pile. Further, far the verification of a validity of the proposed method, predicted settlements are compared with results from previous studies. In addition, parametric studies are performed together with detailed analyses of relevant design parameters.
 
Ű¿öµå
Granular compaction pile;Lateral deformation;Settlement;Tresca failure criterion;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.3, 2005³â, pp.149-157
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200520828086890)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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