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Çѱ¹µµ·ÎÇÐȸ / v.7, no.4, 2005³â, pp.113-123
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( Evaluation of the Deicing Performance and Concrete Structure Effect with Various Deicing Chemicals )
À̺´´ö;À±º´¼º;ÀÌÁÖ±¤;Á¤¿µÈ¯; Çѱ¹µµ·Î°ø»ç µµ·Î±³Åë±â¼ú¿ø;Çѱ¹µµ·Î°ø»ç µµ·Î±³Åë±â¼ú¿ø;Çѱ¹µµ·Î°ø»ç µµ·Î±³Åë±â¼ú¿ø;Á¦¸¶ÄÚÆÛ·¹À̼Ç;
 
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º» ¿¬±¸¿¡¼­´Â ±âÁ¸ÀÇ ¿°È­¹°°è Á¦¼³Á¦ÀÎ ¿°È­Ä®½·$(CaCl_2)$ ¹× ¿°È­³ªÆ®·ý(NaCl)°ú ºñ¿°È­¹°°è Á¦¼³Á¦(NS 100) ÃÊ»êÈ­ÇÕ¹° ÇÔÀ¯ ¿°È­¹° Á¦¼³Á¦(NS 40), ±×¸®°í À̵é Á¦¼³Á¦¸¦ Áß·®´ëºñ ÀÏÁ¤ºñÀ²·Î È¥ÇÕ$(NaCl;70%+CaCl_2;30%,;NS;40;70%+CaCl_2;30%,;NaCl;70%+NS;40;30%,;NS;40;70%+NaCl;30%)$ÇÏ¿´À» ¶§ Á¦¼³¼º ´É°ú Ư¼º, ÄÜÅ©¸®Æ®ÀÇ µ¿°áÀ¶ÇØÀúÇ×¼º ¹× °­ÀçÀÇ ºÎ½Ä¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ½Ç³»½ÃÇèÀ» ÅëÇÏ¿© ºñ±³ °ËÅäÇÏ¿´´Ù. ÀÌ»óÀÇ ½ÃÇè°á°ú¸¦ ¹ÙÅÁÀ¸·Î µ¿Àý±â ±¸Á¶¹°ÀÌ µ¿Çظ¦ ¹ÞÀ» ¼ö ÀÖ´Â Áö¿ª¿¡¼­ ¿°È­¹°°è Á¦¼³Á¦¸¦ »ç¿ëÇÒ °æ¿ì Á¦¼³¼º´É ¹× È¿°ú, °­ÀçÀÇ ºÎ½Ä¼º ÄÜÅ©¸®Æ®ÀÇ µ¿°áÀ¶ÇØÀúÇ×¼º ¹× ½ºÄ̸µÀúÇ×¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °í·ÁÇØ º¼ ¶§ ÇϳªÀÇ Á¦¼®Á¦¸¦ »ç¿ëÇϱ⠺¸´Ù´Â µÎ°¡Áö Á¦¼³Á¦¸¦ ÀûÁ¤ ºñÀ²·Î È¥ÇÕÇÏ¿© »ç¿ëÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÑ ¹æ¹ýÀÓÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. È¥ÇÕ »ç¿ë½Ã¿¡´Â Á¦¼³¼º´É °­Àç ¹× ÄÜÅ©¸®Æ®¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °í·ÁÇØ º¼ ¶§ NS40(70%)+¿°È­Ä®½·(30%)ÀÌ °¡Àå È¿°úÀûÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
In this study, calcium chloride$(CaCl_2)$, sodium chloride (NaCl), organic acids-containing deicer(NS 40, NS 100), mixed deicier$(NaCl;70%+CaCl_2;30%,;NS;40;70%+CaCl_2;30%,;NaCl;70%+NS;40;30%,;NS;40;70%+NaCl;30%)$ is investigated based on the laboratory test for deicing performance, freez-thaw resistance of concrete, and corrosion rate of metal. Test items for deicing performance were ice melting and ice penetration, freezing point depressions and eutectic point, pH, thermal properties for selected deicing chemicals as well as their compatibility with concrete and metal were experimentally investigated. As a test results, in case of the use chloride-containing deicier in area that concrete structures has subjected to freez-thaw reaction in winter season, it showed that mixed deicing chemicals with optimum ratio has desirable method than use one deicing chemicals when is consider to deicing performance and effects, corrosion of steel materials, and freez-thaw resistance of concrete. When use various deicing chemicals mixed, NS40(70%)+calcium chloride(30%) showed the best effective method.
 
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Á¦¼³Á¦;¿°È­Ä®½·;¿°È­³ªÆ®·ý;ÃÊ»êÈ­ÇÕ¹°°è Á¦¼³Á¦;Èí¿­¹ÝÀÀ;¹ß¿­¹ÝÀÀ;¾óÀ½¿ëÀ¶¼º;¾óÀ½Ä§Åõ±íÀÌ;¾î´ÂÁ¡;½ºÄ̸µ;deicing chemicals;calcium chloride;sodium chloride;organic acids-containing deicer(NS 40);endothermic reaction;exothermic reactive;ice melting;ice penetration;freezing point;scaling;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.4, 2005³â, pp.113-123
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637509521)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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