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Architecture & Urban Research Institute

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³í¹®¸í PVA ¹× ºØ»ç¸¦ »ç¿ëÇÑ °íÀ¯µ¿ ¸ð¸£Å¸¸£ÀÇ °ÅǪÁý ´©Ãâ·® Àú°¨ °¡´É¼º ºÐ¼® / Possibility Analysis on Reducing Formwork Leakage of High-fluidity Mortar by Using PVA and Borax
ÀúÀÚ¸í ±è¿µ±â(Kim, Young-Ki) ; ÀÌÀ¯Á¤(Lee, Yu-Jeong)½Äº°ÀúÀÚ ; ÇãÁØÈ£(Heo, Jun-Ho) ; Çѵ¿¿±(Han, Dongyeop)
¹ßÇà»ç Çѱ¹°ÇÃà½Ã°øÇÐȸ
¼ö·Ï»çÇ× Çѱ¹°ÇÃà½Ã°øÇÐȸ ³í¹®Áý, Vol.22 No.2 (2022-04)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(125) ÃÑÆäÀÌÁö(12)
ISSN 15982033
ÁÖÁ¦ºÐ·ù ½Ã°ø(Àû»ê)
ÁÖÁ¦¾î Æú¸®ºñ´Ò¾ËÄÚ¿Ã; ºØ»ç; °íÀ¯µ¿ ¸ð¸£Å¸¸£; ¿äº¯¼º; À¯µ¿¼º ; polyvinyl alcohol; borax; high-fluidity mortar; thixotropy; fluidity
¿ä¾à1 º» ¿¬±¸ÀÇ ¸ñÀûÀº °íÀ¯µ¿ ÄÜÅ©¸®Æ®ÀÇ È°¿ë¹üÀ§¸¦ ÁõÁø½ÃÅ°±â À§ÇÏ¿© °ÅǪÁý Á¤¹Ðµµ ºÎÁ·¿¡ µû¸¥ °íÀ¯µ¿ ÄÜÅ©¸®Æ®ÀÇ ´©ÃâÀ» ¹æÁö ȤÀº Àú°¨ÇÏ´Â °ÍÀÌ´Ù. ÀϹݰ­µµ ÄÜÅ©¸®Æ®¿¡ °íÀ¯µ¿¼ºÀÌ ºÎ¿©µÇ´Â °æ¿ì °ÅǪÁýÀÇ Á¤¹Ðµµ°¡ ³·À¸¸é °ÅǪÁý Æ´»õ·Î ÄÜÅ©¸®Æ® ´©ÃâÀÌ ¿ì·ÁµÇ´Â¹Ù ÀϹÝÀûÀÎ ÇöÀå¿¡¼­ À¯µ¿¼ºÀÌ ³ôÀº ÀϹݰ­µµ ÄÜÅ©¸®Æ®ÀÇ Àû¿ë¿¡ ÁöÀåÀÌ ÀÖ´Ù. ÀÌ¿¡ º» ¿¬±¸´Â ÀÌÀü¿¬±¸°á°ú¿¡¼­ ¾ò¾îÁø PVA¿Í ºØ»ç¸¦ »ç¿ëÇÑ °í¿äº¯¼º ºÎ¿©ÇÏ´Â ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© °íÀ¯µ¿ ÄÜÅ©¸®Æ®¿¡ ¿äº¯¼ºÀ» ºÎ¿©ÇÏ¿© °ÅǪÁýÀÇ ´©ÃâÀ» Àú°¨ÇÏ°íÀÚ ¿¬±¸¸¦ ¼öÇàÇÏ¿´´Ù. ¿¬±¸°á°ú¸¦ ÅëÇØ PVA¿Í ºØ»ç°¡ °íÀ¯µ¿ ¸ð¸£Å¸¸£ Á¶°Ç¿¡¼­ °ÅǪÁý ´©Ãâ Àú°¨¿¡ ±â¿©ÇÑ´Ù´Â °ÍÀ» Áõ¸íÇÏ¿´´Ù. À̸¦ ÅëÇØ °íÀ¯µ¿ ÄÜÅ©¸®Æ®ÀÇ °ÅǪÁý ´©Ãâ·® Àú°¨ ¿¬±¸ÀÇ ½ÃÀÛÁ¡ÀÌ µÉ °ÍÀ¸·Î ±â´ëÇÑ´Ù.
¿ä¾à2 This research is to reduce the formwork leakage of high-fluidity concrete caused by insufficientaccuracy of formwork fabrication widely used for high-fluidity concrete to general strength concrete. However, in the actual construction site, because of the insufficient accuracy of formwork fabricationmay cause leaking concrete of mortar through a gab of the formwork. Therefore, in this research, whichbuilds on previous research into providing thixotropy with PVA and Borax, the use of thixotropy toreduce high-fluidity mortar leakage was evaluated. The results of the experiment proved that the useof thixotropy with PVA and Borax can contribute to reduction of the formwork leakage of high-fluiditymortar. This finding is expected to lead to further research on reducing leakage of high-fluidityconcrete.
¼ÒÀåó Çѱ¹°ÇÃà½Ã°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.5345/JKIBC.2022.2.2.125
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