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³í¹®¸í ȥȭÀç·á¸¦ ġȯÇÑ ½Ã¸àÆ® °è¿­ Àç·á¿¡ ´ëÇÑ ÀúÁ¡µµÇü °í¼º´É °¨¼öÁ¦ÀÇ À¯µ¿ ¼º´É Æò°¡ / Fluidity Performance Evaluation of Low Viscosity Typed Superplasticizer for Cement-Based Materials Incorporating Supplementary Cementitious Materials
ÀúÀÚ¸í ¼Õ¹è±Ù(Son, Bae-Geun)½Äº°ÀúÀÚ ; ÀÌÇâ¼±(Lee, Hyang-Seon)½Äº°ÀúÀÚ ; ÀÌÀ¯Á¤(Lee, You-Jeong)½Äº°ÀúÀÚ ; Çѵ¿¿±(Han, Dong-Yeop)
¹ßÇà»ç Çѱ¹°ÇÃà½Ã°øÇÐȸ
¼ö·Ï»çÇ× Çѱ¹°ÇÃà½Ã°øÇÐȸ ³í¹®Áý, Vol.19 No.3 (2019-06)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(219) ÃÑÆäÀÌÁö(10)
ISSN 15982033
ÁÖÁ¦ºÐ·ù ½Ã°ø(Àû»ê)
ÁÖÁ¦¾î ·¹¿Ã·ÎÁö ; ¼Ò¼ºÁ¡µµ ; Ç׺¹ÀÀ·Â ; ÀúÁ¡µµÇü °í¼º´É °¨¼öÁ¦ ; ȥȭÀç·á ; rheology ; plastic viscosity ; yield stress ; low viscosity typed SP ; SCMs
¿ä¾à1 º» ¿¬±¸ÀÇ ¸ñÀûÀº ÀúÁ¡µµÇü °í¼º´É °¨¼öÁ¦°¡ ȥȭÀç·á¸¦ Æ÷ÇÔÇÏ´Â ½Ã¸àÆ® °è¿­ Àç·áÀÇ À¯µ¿¼º ¹× ·¹¿Ã·ÎÁö Ư¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇÏ¿© ±âÃÊÀûÀÎ Á¤º¸¸¦ Á¦°øÇÏ´Â °ÍÀÌ´Ù. ÀÌ¿¡ ÇöóÀֽ̾Ã, °í·Î½½·¡±×, ½Ç¸®Ä«ÈâÀ» ġȯÇÑ ½Ã¸àÆ® ÆäÀ̽ºÆ®¿Í ¸ð¸£Å¸¸£¿¡ ´ëÇÏ¿© ÀϹÝÀûÀÎ °í¼º´É °¨¼öÁ¦¿Í ÀúÁ¡µµÇü °í¼º´É °¨¼öÁ¦¸¦ »ç¿ëÇÏ¿© ½ÇÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ½ÇÇè °á°ú ÀúÁ¡µµÇü °í¼º´É °¨¼öÁ¦´Â ¼Ò¼ºÁ¡µµ¿¡ À־ ÀϹÝÇü °í¼º´É °¨¼öÁ¦º¸´Ù Å©°Ô Àú°¨½ÃÅ°´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÀÌ·¯ÇÑ °á°ú¸¦ ¹ÙÅÁÀ¸·Î º» ¿¬±¸°¡ ÇâÈÄ ÀúÁ¡µµÇü °í¼º´É °¨¼öÁ¦¸¦ »ç¿ëÇÏ´Â µ¥¿¡ ±âÃÊÀûÀÎ µ¥ÀÌÅ͸¦ Á¦°øÇÒ °ÍÀ¸·Î ±â´ëÇÑ´Ù.
¿ä¾à2 The aim of the research is to provide a fundamental data of low viscosity typed superplasticizer (SP) on cement-based materials incorporating various supplementary cementitious materials (SCMs). As a relatively new product, low-viscosity typed SP has introduced for high performance concrete with high viscosity due to its high solid volume fraction with various SCMs. However, there are not enough research or reports on the performance of the low viscosity typed SP with cement-based materials incorporting SCMs. hence, in this research, for cement paste and mortar, fluidity and rheological properties were evaluated when the mixtures contained various SCMs such as fly ash, blast furnace slag, and silica fume. From the experiment conducted, it was checked that the low viscosity typed superplasticizer decreased the plastic viscosity of the mixture as well as the yield stress. From the results of this research, it is expected to contribute on introduction of new type SP for high performance concrete or high-viscous cementitious materials.
¼ÒÀåó Çѱ¹°ÇÃà½Ã°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.5345/JKIBC.2019.19.3.219
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