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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.1, 1999³â, pp.41-52
Ç¥¸éÆÄ½ÃÇè°ú °øÁøÁÖ½ÃÇèÀ» ÀÌ¿ëÇÑ »çÁúÅäÁö¹Ý °³·®Æò°¡ ½Ã½ºÅÛÀÇ °³¹ß
( Evaluation Technique of Ground Densification on Sand Deposit using SASW and Resonant Column Tests )
±èµ¿¼ö;¹ÚÇüÃá;±è¼ºÀÎ; Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;´Ù»êÄÁ¼³ÅÏÆ®;
 
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´ÙÁü Àü.ÈÄÀÇ Áö¹Ý°³·®Á¤µµ¿Í °³·®±íÀ̸¦ Æò°¡Çϱâ À§ÇÏ¿© ÀϹÝÀûÀ¸·Î SPT¿Í CPT°¡ ¸¹ÀÌ »ç¿ëµÈ´Ù. µÎ ¹æ¹ý ¸ðµÎ ÀÏÁ¡½ÃÇèÀ¸·Î¼­ ´ë±Ô¸ð ÇöÀå¿¡¼­ »ç¿ëµÉ °æ¿ì ¸Å¿ì ¸¹Àº ½Ã°£À» ÇÊ¿ä·Î Çϸç, Áö¹ÝÁ¾·ù¿Í ½ÇÇè ¼÷·Ãµµ¿¡ µû¶ó ½ÃÇè°á°ú°¡ ¿µÇâÀ» ¹Þ´Â´Ù. º» ³í¹®¿¡¼­´Â Ç¥¸éÆÄ½ÃÇè°ú °øÁøÁÖ½ÃÇè°á°ú¸¦ °áÇÕÇÏ¿© ´ÙÁü Àü.ÈÄÀÇ Áö¹Ý°³·®Á¤µµ¿Í °³·®±íÀ̸¦ Æò°¡ÇÏ´Â ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù. Ç¥¸éÆÄ ½ÃÇèÀº ´ÙÁü Àü.ÈÄÀÇ Áö¹ÝÀÇ Àü´ÜÆÄ¼ÓµµÁֻ󵵸¦ ȸµæÇϴµ¥ »ç¿ëµÇ¸ç, °øÁøÁÖ½ÃÇèÀº ´ÜÀÏ»ó°ü°ü°è¸¦ °¡Áö´Â Á¤±Ô´ÙÁü È­µÈ Àü´ÜÆÄ¼Óµµ¿Í ¹Ðµµ¿ÍÀÇ °ü°è¸¦ °áÁ¤Çϴµ¥ »ç¿ëµÈ´Ù. ¸¶Áö¸·À¸·Î Á¦¾ÈµÈ ¹æ¹ýÀÇ Å¸´ç¼ºÀ» °ËÁõÇϱâ À§ÇÏ¿© ¿µÁ¾µµ(ÀÎõ)±¹Á¦°øÇ× °Ç¼³ÇöÀå¿¡¼­ Á¦¾ÈµÈ Æò°¡ÀýÂ÷¿¡ µû¶ó Ç¥¸éÆÄ½ÃÇè°á°ú¿Í °øÁøÁÖ½ÃÇè°á°ú·ÎºÎÅÍ ±íÀ̺° °³·®Á¤µµ¸¦ ÃßÁ¤ÇÏ¿´À¸¸ç, À̷κÎÅÍ Á¦¾ÈµÈ ¹æ¹ýÀÇ ÇöÀåÀû¿ë °¡´É¼ºÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
In order to assess the quality and depth of ground densification by compaction, SPT and/or CPT are performed before and after compaction. Both methods are intrusive and one point tests, require a substantial time to evaluate a large area, and their results are quite dependent on the operation technique and soil type. In this paper, the quality and extent of ground densification by compaction was evaluated by using in situ SASW test and laboratory resonant column (RC) test results. SASW test was used to determine the shear wave velocity profiles before and after compaction, and RC test was adopted to determine the correlation between the normalized shear wave velocity and the density of the site, which is almost uniquely independent of confinement. Testing and data reduction procedures of both tests were discussed, and a simplified evaluation procedure of ground densification was proposed. Finally, the feasibility of the proposed method was verified by performing field study at Inchon International Airport Project. Field densities determined by the proposed method matched well with those determined by sand cone tests.
 
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Density evaluation;Densification;Compaction;Shear ware velocity;SASW test;Resonant column test;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.1, 1999³â, pp.41-52
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921748885)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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