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ÀϹÝÀûÀ¸·Î ¹Ðµµ¶ó ÇÔÀº Å©°Ô 3°¡Áö·Î ³ª´µ´Â °ÍÀ¸·Î ¾Ë°í ÀÖ½À´Ï´Ù
bulk density, apparent density, true density
¿©±â¼ bulk density´Â open pore¿Í closed pore¸¦ ¸ðµÎ ºÎÇÇ¿¡ Æ÷ÇÔÇÏ¿© Áú·®À» ³ª´« °ªÀ¸·Î ¾Ë°í ÀÖ°í
apparent density´Â open pore¸¦ ºÎÇÇ¿¡ Æ÷ÇÔÇÏÁö ¾Ê°í closed pore¸¸ ºÎÇÇ¿¡ Æ÷ÇÔÇÏ¿© Áú·®À» ³ª´«°Í,
true density´Â open, closed pore¸¦ ¸ðµÎ ºÎÇÇ¿¡ Æ÷ÇÔÇÏÁö ¾Ê°í ÁøÂ¥ ¼ø¼öÇÏ°Ô Áú·®À» ºÎÇÇ·Î ³ª´«°ÍÀ¸·Î
¾Ë°í ÀÖ½À´Ï´Ù. µû¶ó¼ true density>apparent density>bulk density ¼øÀÎ°Í °°½À´Ï´Ù.
º¸Åë ½ÇÇè±â±â¸¦ ÅëÇؼ Àú·±°ÍµéÀ» ÃøÁ¤ÇÏ°Ô µÇ´Âµ¥(¾Æ¸£Å°¸Þµ¥½ºÀÇ ¿ø¸®¸¦ ÀÌ¿ëÇÏ´õ±º¿ä), true density
´Â º¸Åë Çï·ýÀ» ÀÌ¿ëÇÏ¿© ÃøÁ¤À» ÇÏ´øµ¥, ±â°è¸¦ »ç¿ëÇÏÁö ¾Ê°í, ÆûÀ» ¿ÏÀüÈ÷ °¡·ç·Î ¸¸µç´ÙÀ½ Áú·®°ú ºÎÇÇ
¸¦ ¾Æ´Â ¿ë±â¿¡ ´ã¾Æ¼ Áú·®°ú ºÎÇǸ¦ ÃøÁ¤ÇÑ ´ÙÀ½, °Å±â¼ ºÎÅÍ °¡·ç·Î µÈ ÆûÀÇ Áú·®°ú ºÎÇǸ¦ ÅëÇØ density
¸¦ ±¸Çϸé true density¶ó°í ÇÒ ¼ö ÀÖÀ»Áö ±Ã±ÝÇÕ´Ï´Ù.
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