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³í¹®¸í PVA ¹× ºØ»ç¸¦ »ç¿ëÇÑ °í¿äº¯¼º ½Ã¸àÆ® °è¿­ Àç·á Á¦Á¶¸¦ À§ÇÑ ±âÃÊ ¹°¼º ºÐ¼® / Fundamental Properties Analysis for Thixotropic Cement-Based Materials Using PVA and Borax
ÀúÀÚ¸í ÀÌÇâ¼±(Lee, Hyang-Sun)½Äº°ÀúÀÚ ; ÀÌÀ¯Á¤(Lee, You-Jung)½Äº°ÀúÀÚ ; ÀÌ¿µÁØ(Lee, Young-Jun)½Äº°ÀúÀÚ ; Çѵ¿¿±(Han, Dongyeop)
¹ßÇà»ç Çѱ¹°ÇÃà½Ã°øÇÐȸ
¼ö·Ï»çÇ× Çѱ¹°ÇÃà½Ã°øÇÐȸ ³í¹®Áý, Vol.20 No.3 (2020-06)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(213) ÃÑÆäÀÌÁö(9)
ISSN 15982033
ÁÖÁ¦ºÐ·ù ½Ã°ø(Àû»ê)
ÁÖÁ¦¾î À¯µ¿¼º; ¿äº¯¼º; PVA; ºØ»ç; ½Ã¸àÆ® ÆäÀ̽ºÆ® ; fluidity; thixotropy; polyvinyl alcohol; borax; cement paste
¿ä¾à1 º» ¿¬±¸ÀÇ ¸ñÀûÀº ½Ã¸àÆ® °è¿­Àç·á¿¡ ¿äº¯¼ºÀ» ºÎ¿©Çϱâ À§ÇÏ´Â °ÍÀÌ´Ù. À̸¦ À§ÇØ PVA¿Í ºØ»çÀÇ °áÇÕÀ» ÀÌ¿ëÇÏ¿´´Ù.
Áï, PVA¿Í ºØ»ç ¼ö¿ë¾×À» ½Ã¸àÆ® ÆäÀ̽ºÆ®¿¡ ÷°¡ÇÏ¿© PVA¹× ºØ»çÀÇ °áÇÕ¿¡ ÀÇÇÑ ¿äº¯¼º ¹ßÇö¿©ºÎ¸¦ È®ÀÎÇÏ¿´´Ù. ½Ã¸àÆ®°è¿­ Àç·á¿¡¼­ ¿äº¯¼º ¹ßÇöÀº ½Ã°ø°úÁ¤¿¡¼­ ´Ù¾çÇÑ ÀÌÁ¡À» È®º¸ÇÒ ¼ö ÀÖÀ¸¸ç ƯÈ÷ ÃÖ±Ù ÁÖµÈ Å¸¼³ ¹æ¹ýÀÎ °üÀ» »ç¿ëÇÑ Å¸¼³¹æ¹ý¿¡¼­ À¯¸®ÇÏ°Ô ÀÛ¿ëÇÒ ¼ö ÀÖ´Ù. º» ¿¬±¸ÀÇ °á°ú·Î½á ½Ã¸àÆ®ÆäÀ̽ºÆ® ³»ºÎ¿¡¼­ PVA¿Í ºØ»çÀÇ °áÇÕÀÌ À¯È¿ÇÏ´Ù´Â °ÍÀ» ¾Ë¼ö ÀÖ¾ú´Ù. °á°úÀûÀ¸·Î ½Ã¸àÆ® °è¿­ Àç·á¿¡ ´ëÇÏ¿© PVA¿Í ºØ»ç¸¦ ÀÌ¿ëÇÏ¿© ¿äº¯¼ºÀ» ºÎ¿©ÇÒ ¼ö ÀÖ¾ú´Ù. ÇâÈÄ º» ¿¬±¸Àǰá°ú¸¦ ÀÌ¿ëÇÏ¿© ´Ù¾çÇÑ ÇüÅÂÀÇ ½Ã¸àÆ® °è¿­Àç·áÀÇ ½Ã°ø¼º °³¼±¿¡ µµ¿òÀÌ µÉ °ÍÀ¸·Î ±â´ëÇÑ´Ù.
¿ä¾à2 The aim of the research is to provide thixotropy on cement-based materials. For this purpose, the linkage betweenpolyvinyl alcohol (PVA) and borax was used. Namely, adding the suspensions of PVA and borax in cement paste, thethixotropy of cement paste was confirmed. The thixotropy of cement-based materials can have various advantages onconstruction process, especially, the placing method using pipe can have advantages. As a result of this research, thelinkage between PVA and borax is valid inside of cement paste. Therefore, using PVA and borax, it is confirmed thatthe cement-based materials can have thixotropy with this method, and it can be expected to contribute on developingnew method of placing cement-based materials with thixotropy.
¼ÒÀåó Çѱ¹°ÇÃà½Ã°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.5345/JKIBC.2020.20.3.213
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