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Çѱ¹µµ·ÎÇÐȸ / v.7, no.4, 2005³â, pp.103-112
LTPP ±¸°£¿¡¼­ TDR ¹æ½Ä ÇÔ¼ö·®°è¸¦ ÀÌ¿ëÇÑ ÇöÀåÇÔ¼öºñ º¸Á¤¸ðµ¨ °³¹ß°ú ÇÔ¼öºñ ºÐ¼® ¿¬±¸
( Development of Calibration Model and Analysis of Soil Water Content using Time-Domain Refelctometry Probe in LTPP Sections )
±èºÎÀÏ;Àü¼ºÀÏ; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸ºÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸ºÎ;
 
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µµ·ÎÆ÷À屸Á¶Ã¼¿¡¼­ ÇϺα¸Á¶ÀÇ ÇÔ¼öºñ´Â Æ÷Àå°ø¿ë¼º¿¡ Áß¿äÇÑ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´Ù. ÃÖ±Ù µé¾î ¸¹Àº ¿¬±¸ÀÚµéÀÌ ÇöÀå °èÃøÀ» ÅëÇÑ Æ÷ÀåÇϺα¸Á¶ÀÇ ÇÔ¼öºñ¸¦ ÁÖ±âÀûÀ¸·Î ÃøÁ¤Çϱâ À§Çؼ­ TDR(Time-Domain Reflectometry) ÇÔ¼ö·®°è¸¦ »ç¿ëÇϰí ÀÖ´Ù. ÀϹÝÀûÀ¸·Î TDR ÇÔ¼ö·®°è´Â ÈëÀÇ Å¸ÀÔ, ÀÔµµ, ¹Ðµµ, ¿Âµµ µî¿¡ ÀÇÇØ ¿ÀÂ÷°¡ À¯¹ßµÈ ¼ö Àֱ⠶§¹®¿¡, ÇöÀåÀÇ ÈëÀ» »ç¿ëÇÏ¿© TDR ÇÔ¼ö·®°èÀÇ ½Ç³»º¸Á¤½ÇÇèÀ» ¹Ýµå½Ã ¼öÇàÇØ¾ß ÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â LTPP(Long Term Pavement Performance) ±¸°£ÀÇ ³ë»óÀç·á¿Í º¸Á¶±âÃþÀç·á¿¡ ´ëÇÏ¿© TDR ÇÔ¼ö·®°è(CS616) ½Ç³»º¸Á¤½ÇÇèÀ» ¼öÇàÇÏ¿´À¸¸ç, ÀÌ °á°ú·ÎºÎÅÍ TDR ÇÔ¼ö·®°èÀÇ º¸Á¤¸ðµ¨À» °³¹ßÇÏ¿´´Ù. ¶ÇÇÑ ÇöÀåµ¥ÀÌÅÍÀÇ ºÐ¼®À» ÅëÇØ, ÇÔ¼ö·®°è°¡ µ¿°áÀÇ ¹ß»ý¿©ºÎ, ºÎµ¿¼öÀÇ ¾ç, matric suction µîÀ» ÆÇ´ÜÇϴµ¥ Ȱ¿ëµÉ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.
Water content of sub-layer in pavement systems has a large effect on pavement performance. Many researchers lately make use of time-domain reflectometry(TDR) probes to measure the soil water content of sub-layer from field monitoring. The laboratory calibration test of TDR probe should be performed with soil field, because TDR probe can cause an error by type, gradation, density, and temperature of soil. This study performed the laboratory calibration test of TDR probe(CS616) with subgrade and subbase material in long term pavement performance(LTPP) sections. And the calibration equations of TDR probe(CS616) were then proposed. It was confirmed from the study that the data of TDR probe monitored in field could be used to estimate the freezing, unfrozen water content, and matric suction of soil.
 
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TDR ÇÔ¼ö·®°è;ÈëÀÇ ÇÔ¼öºñ;Æ÷ÀåÀå±â°ø¿ë¼º¿¬±¸;time-domain reflectometry(TDR);soil water content;long term pavement performance(LTPP);
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.4, 2005³â, pp.103-112
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637509499)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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