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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.2, 2006³â, pp.29-39
»ç¼®°ú ¸ð·¡·Î µÞä¿òµÈ ÄÉÀ̽¼¿¡ ÀÛ¿ëÇÏ´Â ÁÖµ¿Åä¾Ð (II) : °ËÁõ°ú Àû¿ë
( Active Eanh Pressure Against Caisson Backfilled with Crushed Rock and Sand (II) : Verification and Application )
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µ¿¹Ý ³í¹®(¹é±ÔÈ£, 2006)¿¡¼­ »ç¼®°ú ¸ð·¡·Î µÞä¿òµÈ ÄÉÀ̽¼¿¡ ´ëÇÏ¿© ¸ð·¡¿Í »ç¼®ÀÇ ³»ºÎ¸¶Âû°¢°ú ´ÜÀ§Áß·®ÀÇ Â÷ÀÌ´Â ¹°·Ð »ç¼®ÀÇ µÞä¿ò °æ»ç°¢ º¯È­¿Í µÞä¿òÀç¿¡¼­ ¹ß»ýÇÏ´Â ¾ÆÄªÈ¿°ú±îÁö °í·ÁÇØ¼­ ºñ¼±ÇüÀÇ ÁÖµ¿Åä¾ÐÀ» »êÁ¤ ÇÒ ¼ö ÀÖ´Â Åä¾Ð»êÁ¤½ÄÀÌ Á¦¾ÈµÇ¾ú´Ù. º» ¿¬±¸¿¡¼­´Â »õ·Î Á¦¾ÈµÈ Åä¾Ð»êÁ¤½Ä¿¡ ´ëÇÑ Á¤È®µµ¸¦ °ËÁõÇϱâ À§ÇÏ¿© µÞä¿òÀç°¡ ±ÕÁúÇÏ°í º®Ã¼°¡ °ÅÄ£ °æ¿ì¿¡ ´ëÇÑ Á¦¾È½ÄÀÇ °á°ú´Â ¹é±ÔÈ£(2003a)ÀÇ Á¦¾È½Ä°ú ºñ±³ÇÏ¿´°í, µÞä¿òÀç°¡ ±ÕÁúÇÏ°í º®Ã¼°¡ ¸Å²ô·¯¿î °æ¿ì¿¡ ´ëÇÑ Á¦¾È½ÄÀÇ °á°ú´Â RankineÀÇ Åä¾ÐÀ̷аú ºñ±³µÇ¾ú´Ù. ±×¸®°í ¸Å°³º¯¼ö ºÐ¼®À» ÅëÇØ¼­ »ç¼®°ú ¸ð·¡ÀÇ ³»ºÎ¸¶Âû°¢°ú ´ÜÀ§Áß·®, ÄÉÀ̽¼ÀÇ º®¸é¸¶Âû°¢, »ç¼®ÀÇ µÞä¿ò °æ»ç°¢ º¯È­°¡ ÄÉÀ̽¼¿¡ ÀÛ¿ëÇÏ´Â ÁÖµ¿Åä¾Ð¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´À¸¸ç, ¸Å°³º¯¼ö ºÐ¼® °á°ú¿¡ ±Ù°ÅÇØ¼­ ÄÉÀ̽¼¿¡ ÀÛ¿ëÇÏ´Â ÁÖµ¿Åä¾ÐÀ» ÃÖ¼ÒÈ­ÇÒ ¼ö ÀÖ´Â µÞä¿ò ½Ã°ø¹ýÀÌ Á¦¾ÈµÇ¾ú´Ù.
In the companion paper (Paik 2006), a new formulation for calculating the nonlinearly distributed active earth pressure acting on a caisson backfilled with crushed rock and sand is proposed, and it takes into account arching effects as well as difference in internal friction angles and unit weights between sand and crushed rock. In this study, in order to partially check the accuracy of the proposed equation, the results of the proposed equation are compared with the equation proposed by Paik (2003a) for caissons with rough surface and homogeneous backfill, and are compared with results of Rankine's theory for caissons with smooth surface and homogeneous backfill. In addition, a parametric study is performed to investigate the effect of $phi_{r}$, $phi_{s}$, $delta_{r}$, $gamma_{r}$, $gamma_{s}$ and $eta$ on the magnitude of active earth pressure acting on the caisson, and construction methods for minimizing active earth pressure on the caisson are also provided based on the results of a parametric study.
 
Ű¿öµå
Caisson;New formulation;Nonhomogeneous backfill;Nonlinear active earth pressure;Optimum backfilling method;Parametric study;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.2, 2006³â, pp.29-39
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200614222999490)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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