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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.12, 2008³â, pp.75-84
¼øÈ¯°ñÀ縦 Ȱ¿ëÇÑ ¿¬¾àÁö¹Ý°³·®¿ë ´Ù°øÁú ÄÜÅ©¸®Æ® ¸»¶ÒÀÇ Àü´ÜƯ¼º
( Shear Strength Characteristics of Recycled-Aggregate Porous Concrete Pile for Soft Ground Improvement )
À±±æ¸²;À±¿©¿ø;°­¿À¶÷;À¯½Â°æ;À̱Ôȯ; Çѱ¹Çؾ翬±¸¿ø ¿¬¾È°³¹ß ¿¡³ÊÁö ¿¬±¸ºÎ;ÀÎÇÏ´ëÇб³ »çȸ±â¹Ý½Ã½ºÅÛ °øÇкÎ;Çѱ¹Çؾ翬±¸¿ø ¿¬¾È°³¹ß ¿¡³ÊÁö ¿¬±¸ºÎ;¸íÁö´ëÇб³ Åä¸ñ°ú;°Ç¾ç´ëÇб³ °Ç¼³½Ã½ºÅÛ°øÇкÎ;
 
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¼øÈ¯°ñÀ縦 ÀÌ¿ëÇÑ ´Ù°øÁú ÄÜÅ©¸®Æ® ¸»¶Ò(RAPP, Recycle aggregate porous concrete pile) °ø¹ýÀº ¿¬¾àÁö¹Ý¿¡¼­ ¿øÁö¹Ý°ú ´ÙÁ®Áø ´Ù°øÁú ÄÜÅ©¸®Æ® ¸»¶ÒÀÌ º¹ÇÕÁö¹ÝÀ» ÀÌ·ç¾î ¿¬¾àÁö¹ÝÀ» °³·®ÇÏ´Â °ø¹ýÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â ¼øÈ¯°ñÀ縦 ÀÌ¿ëÇÑ ´Ù°øÁú ÄÜÅ©¸®Æ® ¸»¶ÒÀÇ °­µµÁ¤¼ö ¹× ÀÀ·Â-º¯ÇüÀ» °ü°è¸¦ Á¶»çÇϱâ À§ÇÏ¿© ÇöÀåÁ¶°ÇÀ» ÀçÇöÇÏ¿© À缺ÇüÇÑ ¼øÈ¯°ñÀç ´Ù°øÁú ÄÜÅ©¸®Æ® ¸»¶Ò(RAPP)-Á¡Åä È¥ÇÕÅä¿¡ ´ëÇÏ¿© »ïÃà¾ÐÃà½ÃÇèÀ» ÇÏ¿´´Ù. »ïÃà¾ÐÃà½ÃÇèÀÇ °ø½Ãü´Â ġȯÀ² 15, 35, 60, 100%·Î Á¶¼º, º¹ÇÕÁö¹ÝÀÇ Àü´Ü°Åµ¿ Ư¼ºÀ» ±Ô¸íÇÏ¿´´Ù. ¶ÇÇÑ ÇöÀç ¿¬¾àÁö¹Ý °³·®°ø¹ý Áß ¸ð·¡´ÙÁü¸»¶Ò(SCP, sand compaction pile)°ø¹ý°úÀÇ ºñ±³¸¦ À§ÇÏ¿© ¸ð·¡-Á¡Åä È¥ÇÕÅäÀÇ ½ÃÇèµµ ½Ç½ÃÇÏ¿´´Ù. ½ÃÇè°á°ú, RAPP-Á¡Åä È¥ÇÕÅäÀÇ °æ¿ì, ³»ºÎ¸¶Âû°¢Àº $18{sim}34$µµÀÇ ¹üÀ§¸¦ ³ªÅ¸³µÀ¸¸ç, Á¡Âø·ÂÀÇ °æ¿ì´Â $557.0kPa{sim}588.0kPa$ÀÇ ¹üÀ§¸¦ ³ªÅ¸³µ´Ù. ÇÏÁö¸¸ ¸ð·¡-Á¡Åä È¥ÇÕÅäÀÇ °­µµÁ¤¼ö°ªÀº ³»ºÎ¸¶Âû°¢Àº $26{sim}35$µµÀÇ ¹üÀ§¸¦ ³ªÅ¸³µÀ¸¸ç, Á¡Âø·ÂÀº ġȯÀ²º°·Î $4.0{sim}18.0kPa$ÀÇ ¹üÀ§·Î ³ªÅ¸³µ´Ù.
Recycled-aggregate porous concrete pile (RAPP) which forms a composite ground is one of new ground improvement techniques. In this paper, triaxial compression tests are carried out to investigate the shear strength characteristics of RAPP-Clay composite samples. The main purpose of the tests was to investigate the effects of area replacement ratio ($15%{sim}100%$) on behaviors of RAPP-Clay samples during shearing. Also, triaxial compression tests using Sand-Clay composite samples were performed to compare with the behaviors of RAPP-Clay samples. The test results showed that the friction angle and cohesion of the RAPP-Clay composite were $18{sim}34$ degree and $557.0{sim}588.0;kPa$, respectively, whereas those of sand-clay composite samples were 26~35 degree of friction angel and $4.0{sim}18.0;kPa$.
 
Ű¿öµå
Area replacement ratio;Porous concrete pile-clay composite;Recycled-aggregate porous concrete pile;SCP;Soft ground;Triaxial compression test;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.12, 2008³â, pp.75-84
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806942466060)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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