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Çѱ¹µµ·ÎÇÐȸ / v.11, no.2, 2009³â, pp.85-98
³ë»ó ¹× º¸Á¶±âÃþÀÇ ¼ÒÇüÃæ°ÝÀçÇϽÃÇè Ȱ¿ë¹æ¾È ¿¬±¸
( A Study for Application of the Light Falling Weight lest on Subbase and Subgrade )
ÃÖÁؼº;±èÁ¾¹Î;ÇÑÁø¼®;±èºÎÀÏ; Àδö´ëÇÐ Åä¸ñȯ°æ¼³°è°ú;¼¼Á¾´ëÇб³ Åä¸ñȯ°æ°øÇаú;¼¼Á¾´ëÇб³ Åä¸ñȯ°æ°øÇаú;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸½Ç;
 
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ÇöÀç, Æ÷Àå½Ã½ºÅÛÀÇ ³ë»ó°ú º¸Á¶±âÃþÀÇ ´ÙÁü°ü¸®´Â µé¹Ðµµ ½ÃÇèÀ» ÀÌ¿ëÇÑ »ó´ë ´ÙÁüµµ¿Í ÆòÆÇÀçÇϽÃÇèÀÌ ³Î¸® ¾²À̰í ÀÖ´Ù. ÇÏÁö¸¸, ÀÌ µÎ ½ÃÇè¹ýÀº ³ë»ó°ú º¸Á¶±âÃþÀÇ ´ÙÁü°ü¸®¸¦ Æò°¡Çϱ⿣ ½Ã°£°ú ºñ¿ëÀÌ ¸¹ÀÌ ¼Ò¿äµÇ¸ç ½ÇÃø °ªÀ» ¾ò±â¿¡µµ ¸Å¿ì ¾î·Æ´Ù. ÀÌ¿¡ º» ¿¬±¸¿¡¼­´Â ³ë»ó°ú º¸Á¶±âÃþ ½Ã°ø ÇöÀå¿¡¼­ ´ÙÁü°ü¸®¸¦ º¸´Ù ºü¸£°í, ÀûÀº ºñ¿ëÀ¸·Î ÃøÁ¤ ÇÒ ¼ö ÀÖ´Â ¼ÒÇüÃæ°ÝÀçÇϽÃÇèµéÀÇ ºñ±³ºÐ¼®À» ½Ç½ÃÇÑ ÈÄ, LFWD½ÃÇèÀ» ´ÙÁüÆò°¡Àåºñ·Î Á¦¾ÈÇÏ¿´´Ù. ¶ÇÇÑ, ³ë»ó°ú º¸Á¶±âÃþÀÇ ½Ç³»½ÃÇè ¹× ÇöÀå ½ÃÇèÀ» ÅëÇÏ¿© ±¹³» µµ·Î ÇϺα¸Á¶ Àç·á Ư¼º¿¡ µû¸¥ $E_{LFWD}$¿Í »ó´ë ´ÙÁüµµ, $K_{30}$, ¼³°è $M_{R}$ °ª°úÀÇ »ó°ü°ü°è¸¦ Á¦¾ÈÇÏ¿´´Ù.
The in-situ Compaction test using sand cone (RC) and Plate Bearing Capacity Test (PBT) has been widely used for evaluating the subgrade and subbase condition on the pavement system. However, because the in-situ RC and PBT test are expensive and take plenties of time for operation, these are very difficult to figure out the in-situ characteristics of subgrade and subbase strength in detail. Therefore, for faster and economical operation, this study is to compare the Light Falling Weight Tests and propose the LFWD test as the in-situ Compaction test. This study suggests the relationship between in-situ RC value, $K_{30}$, $M_R$ and $E_{LFWD}$ of the subgrade and subbase materials in Korea using the laboratory and in-situ testing.
 
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´ÙÁü½ÃÇè;³ë»ó;º¸Á¶±âÃþ;LFWD ½ÃÇè;in-situ compaction;subgrade;subbase;LFWD;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.11, no.2, 2009³â, pp.85-98
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200921140045884)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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