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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.5, 2008³â, pp.37-54
½Ã¸àÆ®¹ÐÅ© ¹èÇÕºñ¿¡ µû¸¥ ´Ù¾çÇÑ Áö¹Ý ³» SDA¸ÅÀÔ¸»¶ÒÀÇ ¿¬Á÷ÁöÁö·Â
( Bearing Capacity of SDA Augered Piles in Various Grounds Depending on Water-Cement Ratio of Cement Milk )
È«¿øÇ¥;ÀÌÀçÈ£;ä¼ö±Ù; Áß¾Ó´ëÇб³ °Ç¼³È¯°æ°øÇаú;Áß¾Ó´ëÇб³ ´ëÇпø;Áß¾Ó´ëÇб³ ´ëÇпø;
 
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º» ¿¬±¸¿¡¼­´Â SDA(Separated Doughnut Auger)¸ÅÀÔ¸»¶ÒÀÇ ÁöÁö¼º´ÉÀÌ Àß ¹ßÈÖµÉ ¼ö Àִ ǥÁؽðø¹ý¿¡ ´ëÇÑ ¸Å´º¾óÀ» Á¤¸®ÇÏ¿© Á¦½ÃÇÏ¿´´Ù. ¶ÇÇÑ Àü±¹ 36°³ ÇöÀå¿¡¼­ ¿©·¯ °¡Áö ½Ã¸àÆ®¹ÐÅ© ¹èÇÕºñ¸¦ »ç¿ëÇÏ¿© SDA¸ÅÀÔ°ø¹ýÀ¸·Î ½Ã°øÇÑ 379º»ÀÇ ½ÃÇ踻¶Ò¿¡ ´ëÇÏ¿© 438ȸÀÇ µ¿ÀçÇϽÃÇèÀ» ½ÃÇàÇÏ¿´´Ù µ¿ÀçÇϽÃÇè°á°ú SDA¸ÅÀÔ¸»¶ÒÀÇ ÁöÁö·ÂÀº ½Ã¸àÆ®¹ÐÅ©ÀÇ ¹èÇÕºñ¿¡ ¿µÇâÀ» ¹ÞÀ½À» ¾Ë ¼ö ÀÖ¾úÀ¸¸ç, ´ÜÀ§¼±´ÜÁöÁö·Â°ú ´ÜÀ§¸¶ÂûÁöÁö·ÂÀ» ½Ã¸àÆ®¹ÐÅ©ÀÇ ¹èÇÕºñ¿Í Áö¹ÝÁ¾·ùº°·Î Á¤·®ÀûÀ¸·Î °è»êÇÒ ¼ö ÀÖ´Â ½ÄÀ» Á¦¾ÈÇÏ¿´´Ù. ¶ÇÇÑ ½Ã¸àÆ®¹ÐÅ© ¹èÇÕºñ°¡ SDA¸ÅÀÔ¸»¶ÒÀÇ ÁöÁö·Â¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °ËÅäÇÏ¿´°í À̵é Á¦¾È½ÄÀ» ±âÁ¸ÀÇ Ç¥Áؽù漭¿¡ Á¦½ÃµÇ¾î ¸ÅÀÔ¸»¶Ò¼³°è¿¡ Àû¿ëµÇ´Â ±âÁ¸ÀÇ ½Äµé°ú ºñ±³ °íÂûÇÏ¿´´Ù.
The standard construction manual of the SDA (Separated Doughnut Auger) piling method was proposed so that the resisting capacity of the augered piles could work effectively. 438 dynamic pile load tests were performed on 379 test piles, which were installed at 36 sites in Korea by the SDA piling method with application of various water-cement ratio of cement milks. The dynamic pile load test results showed that the bearing capacity of the SDA augered piles depended on the water-cement ratio of cement milks. And couple of the formulas were presented according to water-cement ratio and various grounds to estimate quantitatively both the unit end bearing and the unit frictional capacity of the SDA augered piles. It was also considered that the water-cement ratio of cement milks exerts an influence on the bearing capacity of the SDA augered piles. The presented formulas were compared with the existing formulas, which were presented by several standard design codes to design the augered piles.
 
Ű¿öµå
Augered pile;Cement milk;End bearing capacity;EOID;Frictional capacity;N-value;Pile load test;Restrike;Water-cement ratio;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.5, 2008³â, pp.37-54
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200816256327219)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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