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³í¹®¸í °ñÀçǰÁú¿¡ ÀÇÇÑ ÀϹݰ­µµ ÄÜÅ©¸®Æ®ÀÇ Àç·áºÐ¸® ¹ß»ý Á¶°Ç¿¡ ´ëÇÑ ·¹¿Ã·ÎÁö ºÐ¼® / Rheology Analysis of Segregated Concrete Mixtures due to the Aggregate Quality / 12. °ñÀç - ·¹¿Ã·ÎÁö
ÀúÀÚ¸í ÀÌÀ¯Á¤(Lee, Yu Jeong)½Äº°ÀúÀÚ ; ÀÌÇâ¼±(Lee, Hyang Sun)½Äº°ÀúÀÚ ; Çѵ¿¿±(Han, Dongyeop)
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¼ö·Ï»çÇ× Çѱ¹ÄÜÅ©¸®Æ®ÇÐȸ Çмú´ëȸ ³í¹®Áý, Vol.31 No.1 (2019-05)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(405) ÃÑÆäÀÌÁö(2)
ISSN 1738-298X
ÁÖÁ¦ºÐ·ù Àç·á / ±¸Á¶
¿ä¾à1 º» ¿¬±¸ÀÇ ¸ñÀûÀº ÇöÀç »ç¿ëµÇ´Â °ñÀ縦 »ç¿ëÇÑ ÄÜÅ©¸®Æ®¿¡ ´ëÇÏ¿© ¾çÈ£ÇÑ À¯µ¿¼ºÀ» È®º¸ÇÏ´Â ÄÜÅ©¸®Æ® ¹èÇÕ¿¡¼­ Àç·áºÐ¸® ¹ß»ý ¿©ºÎ¸¦ È®ÀÎÇÏ´Â °ÍÀÌ´Ù. ÃÖ±Ù ¿ì¸®³ª¶ó ·¹¹ÌÄÜ ¾÷°è´Â °ñÀçÀÇ Ç°Áú ÀúÇϰ¡ Å« ¹®Á¦·Î ¿©°ÜÁö°í ÀÖ´Ù. ºÒ·®ÇÑ °ñÀç´Â ÄÜÅ©¸®Æ®ÀÇ À¯µ¿¼ºÀ» ÀúÇϽÃÅ´°ú µ¿½Ã¿¡ ÄÜÅ©¸®Æ®ÀÇ ¼Ò¼ºÁ¡µµ¸¦ Àú°¨½ÃŰ´Â Á÷°£Á¢ÀûÀÎ ¿µÇâÀ» ÁØ´Ù. ÀÌ¿¡ º» ¿¬±¸¿¡¼­´Â ÀϹݰ­µµ ÄÜÅ©¸®Æ® ¹èÇÕ¿¡ ´ëÇÏ¿© KS F 4009¿¡¼­ ÁöÁ¤ÇÏ´Â ½½·³ÇÁ Ç÷Π±âÁØÀÇ À¯µ¿¼ºÀ» È®º¸Çϱâ À§ÇÑ Á¶°ÇÀÇ Àç·áºÐ¸® ¹ß»ý¿©ºÎ¸¦ °üÂûÇÏ¿´´Ù. ±× °á°ú ÇöÀç °ñÀç Á¶°ÇÀ¸·Î´Â À¯µ¿¼º È®º¸½Ã Àç·áºÐ¸®°¡ ¹ß»ýÇϱ⠽¬¿î Á¶°ÇÀÓÀ» È®ÀÎÇÏ¿´°í, ÀÌ¿¡ ´ëÇÑ ·¹¿Ã·ÎÁö ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù.
¿ä¾à2 The aim of the research is evaluate the segregation possibility of concrete mixture with poor quality aggregates for flowing fluidity. Recently, degrading quality of aggregate is rising as a issue for ready-mixed concrete industry. Poor quality of aggregate causes decreased workability with increasing possibility of segregation directly and indirectly. Therefore, in this research, the segregation conditions of concrete mixtures were observed when the mixtures were designed for flowing fluidity. As a result, under the conditions of using poor quality aggregate, segregation was occurred for flowing fluidity, and for these mixtures, rheological analysis was conducted
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