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Çѱ¹µµ·ÎÇÐȸ / v.8, no.4, 2006³â, pp.75-85
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µ¿Àû ÄܰüÀÔ ½ÃÇèÀÇ ÇöÀåÀû¿ë¼º Æò°¡¸¦ À§ÇÑ ÇöÀå ÁöÁö·Â½ÃÇè »óÈ£ ºñ±³ ¿¬±¸
( Comparison of Field Bearing Capacity Tests to Evaluate the Field Application of Dynamic Cone Penetrometer Test ) |
| ±èºÎÀÏ;Àü¼ºÀÏ;À̹®¼·; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸ºÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸ºÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸ºÎ;
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| Æ÷ÀåÇϺα¸Á¶ÀÇ ÁöÁö·ÂÀ» Æò°¡Çϱâ À§ÇØ ¸¹ÀÌ »ç¿ëµÇ´Â ¹æ¹ýÀº ÆòÆÇÀçÇϽÃÇè(Plate Bearing Test) ÇöÀå CBR½ÃÇè(California Bearing Ratio Test) µîÀÌ ÀÖÀ¸³ª, ½ÃÇèÀ» ¼öÇàÇϴµ¥ ÀÖ¾î ¸¹Àº Àη°ú ½Ã°£ÀÌ ¼ÒºñµÇ´Â ´ÜÁ¡ÀÌ ÀÖ¾î, ¸¹Àº ¿¬±¸ÀÚµéÀº ÇöÀå¿¡¼ Æ÷ÀåÇϺα¸Á¶ÀÇ °¼ºÀ» ÃøÁ¤ÇÒ ¼ö ÀÖ´Â °£ÆíÇÑ ¹æ¹ýÀ¸·Î µ¿Àû ÄÜ °üÀÔ½ÃÇè(Dynamic Cone Penetrometer Test)À» Á¦¾ÈÇÏ¿´´Ù. ÀÌ¿¡ º» ¿¬±¸¿¡¼´Â DCPÀÇ ÇöÀåÀû¿ë¼ºÀ» Æò°¡Çϱâ À§ÇØ, ÃÑ 4°³ ÇöÀåÀÇ ³ë»óÃþ°ú º¸Á¶±âÃþ¿¡¼ DCP, ÆòÆÇÀçÇϽÃÇè, ÇöÀåCBR½ÃÇè, FWD½ÃÇèÀ» µ¿½Ã¿¡ ¼öÇàÇÏ¿© ±× °á°ú¸¦ »óÈ£ ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú DCPI, $M{FWD},;PBTunderline{;}K_{30}$Àº ¼·Î ÀÏÁ¤ÇÑ »ó°ü°ü°è°¡ Á¸ÀçÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸³ª, CBRÀº ´Ù¸¥ °á°ú °ªµé°ú ºñ±³ÇÑ °á°ú »ó°ü°ü°è°¡ ¸Å¿ì ³·Àº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸¿¡¼´Â ÀÌ °á°ú·ÎºÎÅÍ $DCPI-M_{FWD},;DCPI-PBTunderline{;}K_{30}$ °ü°è½ÄÀ» ´ÙÀ½°ú °°ÀÌ Á¦¾ÈÇÏ¿´´Ù. $$M_{FWD}=993.10Big(frac{1}{DCPI}Big)+33.95;R^2=0.774$ $$M_{FWD}=3.7533K_{30}+23.085;R^2=0.69$$ |
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| Plate Bearing Test(PBT) and California Bearing Ratio Test(CBR) usually have been used to evaluate the bearing capacity of sub-layer in pavement system. However, these tests have shortcomings for which man powers and time are spent greatly. Many researchers proposed a simple Dynamic Cone Penetrometer Test(DCP) to evaluate the bearing capacity of sub-layers in pavement system. This study performed several field bearing capacity tests(DCP, PBT, CBR, FWD) to evaluate field performance of DCP on sub-base and subgrade at four test sections simultaneously. The results showed that DCPI, $M_{FWD}$, and $PBT_K_{30}$ are highly correlated, but CBR and other test are not. This study proposed the following regression models between FWD, DCP, and PBT: $$M_{FWD}=993.10Big(frac{1}{DCPI}Big)+33.95;R^2=0.77$$ $$M_{FWD}=3.7533K_{30}+23.085;R^2=0.69$$ |
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| µ¿Àû ÄÜ °üÀÔ½ÃÇè;ÆòÆÇÀçÇϽÃÇè;ÇöÀå CBR ½ÃÇè;FWD ½ÃÇè;DCP;PBT;CBR;FWD; |
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.8, no.4, 2006³â, pp.75-85
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200606140741065)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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