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³í¹®¸í ÀܰñÀç Áß 0.08§®ÀÌÇÏ Ç³È­µÈ Á¡Å伺 ¹Ì¼¼ÀÔÀÚÀÇ Æò°¡¹æ¹ý¿¡ ´ëÇÑ ½ÇÇèÀû ¿¬±¸ / An Experimental Study on the Assessment Method of Weathered Clay Fine Particles of Under 0.08§® Contained in Fine Aggregates
ÀúÀÚ¸í ÃÖÇö±Ô(Choi, Hyun-Kyu) ; ÇѹÎö(Han, Min-Cheol)
¹ßÇà»ç ´ëÇѰÇÃàÇÐȸ
¼ö·Ï»çÇ× ´ëÇѰÇÃàÇÐȸ³í¹®Áý, Vol.39 No.1 (2023-01)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(295) ÃÑÆäÀÌÁö(9)
ISSN 2733-6247
ÁÖÁ¦ºÐ·ù ±¸Á¶ / Àç·á
ÁÖÁ¦¾î ¹Ì¼¼ÀÔÀÚ; Á¡Åä; ½ÇÆ®; ¸ÞÆ¿·»ºí·ç; ¿¢½º¼± Çü±¤ ; Fine particles; Clay; Silt; Methylene blue; X-ray fluorescence
¿ä¾à1 dzȭµÈ Á¡Å伺 ¹Ì¼¼ÀÔÀÚ°¡ ´Ù·® ÇÔÀ¯µÈ °ñÀ縦 ÄÜÅ©¸®Æ® Àç·á·Î »ç¿ëÇϸé ÄÜÅ©¸®Æ®ÀÇ Ç°Áú¼º´ÉÀÌ ÀúÇϵȴÙ. ±×·³¿¡µµ ºÒ±¸ÇÏ°í ±¹³»¿¡¼­´Â dzȭµÈ Á¡Å伺 ¹Ì¼¼ÀÔÀÚ¸¦ Æò°¡ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ Àü¹«ÇÏ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ÄÜÅ©¸®Æ®¿ë ÀܰñÀç¿¡ ÇÔÀ¯µÈ dzȭµÈ Á¡Å伺 ¹Ì¼¼ÀÔÀÚ¸¦ Æò°¡ÇÏ´Â ¹æ¹ýÀ» ¿¬±¸Çϴµ¥ ¸ñÀûÀÌ ÀÖ´Ù. ÀÌ¿¡ ´ëÇÑ Æò°¡¹æ¹ýÀ¸·Î 0.08 §® ü Åë°ú·®¹ýÀ» °ËÁõÇÏ¿´À¸¸ç, È­ÇÐÀû ¹æ¹ýÀ¸·Î °øÀ¯µÇ´Â Æò°¡¹æ¹ý(XRF, methylene blue)¿¡ ´ëÇÑ ÀûÇÕ¼º°ú °¡´É¼ºÀ» È®ÀÎÇÏ¿´´Ù. ¿¬±¸°á°ú 0.08 §® ü Åë°ú·®¹ýÀº ¼ººÐÀ» ¿øÄ¢ÀûÀ¸·Î ºÐ¼®ÇÒ ¼ö ¾ø±â ¶§¹®¿¡ Æò°¡¹æ¹ýÀ¸·Î¼­ ´Ù¼Ò Á¦ÇÑÀûÀÌ´Ù. ÇÑÆí, dzȭµÈ Á¡Å伺 ¹Ì¼¼ÀÔÀÚ´Â ¸ÞÆ¿·»ºí·ç¸¦ ÀÌ¿ëÇÑ È­ÇйÝÀÀÀ» »ç¿ëÇÑ ¹æ¹ýÀ̳ª XRF¸¦ ÀÌ¿ëÇÑ ¼ººÐÀ» ºÐ¼®ÇÏ´Â ¹æ¹ýÀ¸·Î Æò°¡°¡ °¡´ÉÇÑ °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. ¶ÇÇÑ, XRF¹ýÀº ¼ººÐÀ» Á¤·®ÀûÀ¸·Î ºÐ¼®ÇÒ ¼ö Àֱ⠶§¹®¿¡ ÃøÁ¤ ÆíÂ÷¸¦ ÃÖ¼ÒÈ­ÇÒ ¼ö ÀÖ¾î È¿°úÀûÀÎ Æò°¡°¡ °¡´ÉÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
¿ä¾à2 If aggregate containing a large amount of weathered clay fine particles was used as material for concrete, the quality performance of the
concrete would deteriorate. Nevertheless, there is no method for assessing weathered clay fine particles in Korea. Therefore, the purpose of
this study is to examine a method for assessing weathered clay fine particles contained in fine aggregate for concrete. As an assessment
method, the 0.08 mm sieve passing amount method was verified, and the suitability and possibility for the assessment method of X-ray
fluorescence (XRF) and methylene blue shared as a chemical method was confirmed. As a result, the 0.08 mm sieve passing amount method
was somewhat limited because it couldn¡¯t analyze these components in principle. On the other hand, it was possible to assess the weathered
clay fine particles by a chemical reaction method using methylene blue or a method of analyzing components using XRF. In addition, since
the XRF method can quantitatively analyze these components, it is considered that the measurement deviation can be minimized and effective
assessment is possible.
¼ÒÀåó ´ëÇѰÇÃàÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.5659/JAIK.2023.39.1.293
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