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³í¹®¸í ÀϹݰ­µµ ÄÜÅ©¸®Æ®ÀÇ È¿°úÀûÀÎ À¯µ¿¼º ÁõÁø ¹× ǰÁú¾ÈÁ¤¼º È®º¸¸¦ À§ÇÑ °¨¼öÁ¦ ¼º´É¿¡ ´ëÇÑ ¿¬±¸ / Study on Water Reducer Performance for Efficient Fluidity Development and Securing Robustness of Normal Strength Range Concrete
ÀúÀÚ¸í ¼Õ¹è±Ù½Äº°ÀúÀÚ ; Çѵ¿¿±
¹ßÇà»ç Çѱ¹°ÇÃà½Ã°øÇÐȸ
¼ö·Ï»çÇ× Çѱ¹°ÇÃà½Ã°øÇÐȸ ³í¹®Áý, Vol.17 No.5 (2017-10)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(429) ÃÑÆäÀÌÁö(7)
ISSN 15982033
ÁÖÁ¦ºÐ·ù ½Ã°ø(Àû»ê)
ÁÖÁ¦¾î °¨¼öÁ¦ ; À¯µ¿¼º ; Àç·áºÐ¸® ; ÀϹݰ­µµ ÄÜÅ©¸®Æ® ; ´ÜÀ§¼ö·® Àú°¨ ; Á¦Á¶¿ø°¡ ; water reducer ; fluidity ; segregation ; normal strength concrete ; reducing unit water content ; manufacturing cost
¿ä¾à1 º» ¿¬±¸ÀÇ ¸ñÀûÀº ÀϹݰ­µµ ÄÜÅ©¸®Æ® ¹èÇÕ¿¡ À־ ´Ù¾çÇÑ °¨¼öÁ¦¿¡ µû¸¥ À¯µ¿¼º°ú ǰÁú ¾ÈÁ¤¼ºÀ» Æò°¡ÇÏ´Â µ¥¿¡ ÀÖ´Ù. °¨¼öÁ¦ÀÇ »ç¿ëÀº °ñÀç ǰÁúÀÌ ÀúÇϵǴ ÃÖ±ÙÀÇ »óȲ¿¡¼­ ÇÇÇÒ ¼ö ¾øÁö¸¸ ÀûÀýÇÑ ¼º´ÉÀÇ °¨¼öÁ¦ »ç¿ëÀÌ Áß¿äÇÏ´Ù. ÀÌ¿¡ º» ¿¬±¸¿¡¼­´Â ÀϹݰ­µµ ¼öÁØÀÇ ¸ð¸£Å¸¸£¿¡ ´ëÇÏ¿© ¼¼°¡Áö Á¾·ùÀÇ °¨¼öÁ¦¿¡ ´ëÇÏ¿© À¯µ¿¼º ÁõÁø¼º´É°ú ´õºÒ¾î ǰÁú¾ÈÁ¤¼ºÀ» ·¹¿Ã·ÎÁöÀûÀ¸·Î Æò°¡ÇÏ¿´´Ù. ¶ÇÇÑ ÄÜÅ©¸®Æ® ¹èÇÕ¿¡ À־ ´ÜÀ§¼ö·® º¯È­¿¡ µû¸¥ À¯µ¿¼º º¯È­¸¦ ÃøÁ¤ÇÏ¿´À¸¸ç ´ÜÀ§¼ö·® Àú°¨È¿°ú¿Í ±×¿¡ µû¸¥ Á¦Á¶¿ø°¡¸¦ »êÁ¤ÇÏ°í ºñ±³ÇÏ¿´´Ù. º» ¿¬±¸¸¦ ÅëÇØ ½ÇÁ¦ ÇöÀå¿¡¼­ ÀûÀýÇÑ ¼º´ÉÀÇ °¨¼öÁ¦¸¦ ¼±ÅÃÇÒ ¼ö ÀÖ´Â »ç·Ê¸¦ Á¦°øÇϰí À̸¦ ÅëÇØ °æÁ¦ÀûÀ̰í È¿°úÀûÀ¸·Î À¯µ¿¼ºÀ» ¹ßÈÖÇÏ¸ç ¾ÈÁ¤ÀûÀΠǰÁúÀ» È®º¸ÇÒ ¼ö Àִ ȯ°æ ¸¶·Ã¿¡ ±â¿©ÇϰíÀÚ ÇÑ´Ù.
¿ä¾à2 The aim of the research is, for normal strength range concrete mixture, to evaluate the fluidity development and robustness of the mixture depending on various water reducers. Although a usage of water reducer has been essential to make a concrete under the current conditions of worsen aggregate quality, selection of appropriate performance of water reducer is significant. Hence, in this research, regarding the normal strength range mortar, three different performance of water reducers were evaluated in aspects of securing fluidity, and robustness, rheological behaviors. Additionally, for the concrete mixture, the fluidity change was evaluated depending on unit water content for each different water reducer, and the water reducing performance with manufacturing cost was compared and analyzed. By the result of this research, it is expected to provide a case of determining appropriate kind of water reducer and to contribute on conditions of securing sufficient fluidity with stable quality and economical advantage.
¼ÒÀåó Çѱ¹°ÇÃà½Ã°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.5345/JKIBC.2017.17.5.429
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