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Çѱ¹µµ·ÎÇÐȸ / v.8, no.2, 2006³â, pp.23-30
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( A Study on Mechanical Characteristics of Fiber Modified Emulsified Asphalt Mixture as Environmentally-Friend Paving Material )
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»ó¿Â¾Æ½ºÆÈÆ® È¥ÇÕ¹°Àº »ý»ê°øÁ¤À̳ª ½Ã°ø Áß¿¡ naphtha³ª keroseneÀ» »ç¿ëÇÏ´Â ÄÆ¹é ¾Æ½ºÆÈÆ®¿Í °°ÀÌ È¯°æ¿À¿°¹°ÁúÀ» »ý¼ºÇÏÁö ¾Ê°í °ñÀç¿Í ¾Æ½ºÆÈÆ® ¹ÙÀδõ¸¦ °¡¿­ÇÏÁö ¾Ê±â ¶§¹®¿¡ °¡¿­¾Æ½ºÆÈÆ® È¥ÇÕ¹°¿¡ ºñÇÏ¿© ȯ°æÄ£È­ÀûÀÌ¸ç °æÁ¦ÀûÀÌ´Ù. ±×·¯³ª ÀϹÝÀûÀ¸·Î »ó¿Â¾Æ½ºÆÈÆ® È¥ÇÕ¹°Àº °¡¿­¾Æ½ºÆÈÆ® È¥ÇÕ¹°¿¡ ºñÇØ ³»±¸¼ºÀ̳ª ¼öºÐ¹Î°¨¼º¿¡¼­ ¹ÌÈíÇÑ Á¡ÀÌ ¸¹´Ù. º» ¿¬±¸¿¡¼­´Â »ó¿Â¾Æ½ºÆÈÆ®ÀÇ ¼öºÐ¹Î°¨¼º°ú ³»±¸¼ºÀ» ÁõÁø½Ãų ¼ö ÀÖ´Â ¼¶À¯º¸°­ »ó¿Â¾Æ½ºÆÈÆ® È¥ÇÕ¹°(FEAM)¿¡ ´ëÇÑ Æò°¡¸¦ ÇÏ¿´´Ù. ÃÖÀû À¯È­¾Æ½ºÆÈÆ®·®(OEC), ÃÖÀûÇÔ¼ö·®(OWC) ±×¸®°í ÃÖÀû ¼¶À¯º¸°­Á¦ ÷°¡·®(OFC)¸¦ °áÁ¤Çϱâ À§Çؼ­ ¸¶¼£¹èÇÕ¼³°è¸¦ ¼öÁ¤ °³¹ßÇÏ¿´´Ù. ÃÖÀûÀÇ ¼¶À¯º¸°­ »ó¿Â¾Æ½ºÆÈÆ® È¥ÇÕ¹°°ú ÀÏ¹Ý »ó¿Â¾Æ½ºÆÈÆ® È¥ÇÕ¹°À» Á¦ÀÛÇÏ¿© ¸¶¼£¾ÈÁ¤µµ ½ÃÇè, °£Á¢ÀÎÀå°­µµ ½ÃÇè ¹× È¸º¹Åº¼º°è¼ö ½ÃÇèÀ» ½Ç½ÃÇÏ¿´°í ±× °á°ú¸¦ °¡¿­¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ °á°ú¿Í ºñ±³ÇÏ¿´´Ù. °á°ú·Î FEAM°ú EAM ¸ðµÎ ¸¶¼£¹èÇÕ¼³°è ±âÁØÀ¸·Î Áß°£ ±³Åë·®¿¡ ÃæºÐÇÑ °ÍÀ¸·Î ÆÇ¸íµÇ¾ú´Ù. ¶ÇÇÑ ¼¶À¯º¸°­¿¡ ÀÇÇÏ¿© ÀÏ¹Ý »ó¿Â¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ¼öºÐ¹Î°¨¼º°ú ³»±¸¼ºÀÌ ÁõÁøÇÏ´Â È¿°úµµ ¾òÀ» ¼ö ÀÖ´Â °ÍÀ¸·Î ÆÇ¸íµÇ¾ú´Ù
Emulsified Asphalt Mixture(EAM) is more environmentally-friendly and cost-effective than typical Hot Mix Asphalt (HMA) because EAM does not produce carcinogenic substances, e.g., naphtha, kerosene, during the both of manufacturing and roadway construction process. Also, it does not require heating the aggregates and asphalt binder. However, EAM has some disadvantages. Generally EAM has a less load bearing capacity and more moisture susceptibility than conventional HMA. The study evaluated a Fiber modified EAM (FEAM) to increase load bearing capacity and to decrease moisture susceptibility of EAM. Modified Marshall mix design was developed to find Optimum Emulsion Contents (OEC), Optimum Water Contents (OWC), and Optimum Fiber Contents (OFC). A series of test were performed on the fabricated specimen with OBC, OWC, and OFC. Tests include Marshall Stability, Indirect Tensile Strength, and Resilient modulus test. Comparison analyses were performed among EAM, Fiber modified EAM (FEAM), and typical HMA to verify the applicability of EAM and FEAM in the field. Test results indicated that both of EAM and FEAM have an enough capability to resist medium traffic volume based on the Marshall mix design criteria. Also the study found that fiber modification is effective to increase the load bearing capacity and moisture damage resistance of EAM.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.8, no.2, 2006³â, pp.23-30
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ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200629734258666)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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