°£´ÜÇÏ°í °æÁ¦ÀûÀÎ ¹æ¹ýÀ¸·Î ö±Ù ºÎ½ÄÀÇ °³¿¬¼ºÀÌ ÀÖ´Â ±¸¿ªÀ» È®ÀÎ.
* öÁ¦ º¸°Á¦ÀÇ ºÎ½ÄºÎÀ§ °¨½Ä
- °æÁ¦ÀûÀÎ °¡°Ý´ë·Î »ç¿ëÀÌ ¸Å¿ì ½±°í ´Ü¼øÇÔ.
- Àü±Ø (electrode)Àº Å»Âø ¿¬ÀåÀÌ °¡´ÉÇÏ¿© µµ´ÞÇϱâ Èûµç ºÎÀ§¿¡µµ ÃøÁ¤ÀÌ ¿ëÀÌÇÔ.
- °í ÀÎÇÇ´ø½º (High impedance) ÀÇ µðÁöÅÐ Àåºñ·Î ¿¾ÇÇÑ ÇöÀå¿¡¼µµ »ç¿ëÀÌ ¿ëÀÌ ÇÔ.
- Àü±Ø(Electrode)Àº ¼öÆò, ¼öÁ÷Àº ¹°·Ð ¿ª¸³ ¹æÇâÀ¸·Îµµ ÃøÁ¤ÀÌ °¡´É ÇÔ.
- ASTM C-876 ±Ô°Ý¿¡ ºÎÇÕ.
- ASTM C-876 ±Ô°Ý¿¡ µû¸¥ ºÎ½Ä ºÎÀ§¸¦ È®ÀÎÇÏ´Â °æÁ¦ÀûÀÎ ¹æ¹ý .
- °í ÀÎÇÇ´ø½º Àü¾Ð°è (high impedance voltmeter) °¡ öÀç º¸°Á¦ (reinforcing steel)¿Í ÃøÁ¤ÇÒ ÄÜÅ©¸®Æ® Ç¥¸éÀÇ Cu-CuSO4 Àü±Ø
(reference electrode)À» ¿¬°áÇÏ¿© ÀüÀ§Â÷ ¹æ½ÄÀ¸·Î ÃøÁ¤ ÇÔ..
- ºÎ½ÄÀº ÄÜÅ©¸®Æ® ³»ºÎ¿¡ »ê¼Ò¿Í ¼öºÐÀÌ ÀÖÀ»¶§ ¹ß»ýµÇ´Â Àü±â ÈÇÐÀû °úÁ¤À¸·Î ½ÇÁ¦ ºÎ½ÄÀº ÄÚÆÃÀÌ µÇÁö ¾ÊÀº öÁ¦ º¸°Á¦ÀÇ
´Ù¸¥ºÎÀ§ (different section) ¾ÈÀÇ ¿¡³ÊÁöÀÇ ±³È¯ÀÌ´Ù.
- ³ôÀº ÀÎÇÇ´ø½ºÀÇ Àü¾Ð°è (high impedance voltmeter) ¸¦ öÀç º¸°Á¦¿Í ÄÜÅ©¸®Æ® Ç¥¸éÀÇ Àü±Ø »çÀ̸¦ ¿¬°áÇÏ¿© ´ëÁ¶ ¼¿
(reference cell) ÀÇ À§Ä¡¿¡¼ÀÇ ÀüÀ§Â÷¸¦ ÃøÁ¤ÇÏ°í ´Â ´ëÁ¶ ¼¿ (reference cell) ºÎ±ÙÀÇ Ã¶ÀÇ ºÎ½Ä °³¿¬¼ºÀ» ÃøÁ¤ ÇÑ´Ù..
- ´ëÁ¶¼¿ (reference cell) Àº Ȳ»ê±¸¸®¿ë¾× ¾ÈÀÇ ±¸¸® ÀÌ´Ù.
- ÀüÀ§Â÷ (half cell potential) ÃøÁ¤À¸·Î half cell potential ÀÇ µî°Å¸® °ªÀ» ½Å¼ÓÇÏ°Ô Ãëµæ ÇÒ ¼öÀÖÀ¸¸ç µû¶ó¼ reinforcing steel ÀÇ
ºÎ½Ä °³¿¬¼º ±¸¿ªÀ» È®ÀÎ ÇÒ ¼ö ÀÖ´Ù.
- Cor Map¢â À¸·Î ÃøÁ¤ µÈ °á°ú °ªÀÇ ºÐ¼®Àº °ÝÀÚ¸ð¾ç¿¡ ±¸È¹ ¹× µîÀüÀÇ µî°í¼±À¸·Î Ç¥½ÃµÇ°í ºÎ½Ä È°µ¿ÀÌ ÀÖ´Â ±¸¿ªÀº highlighting
µÇ¾î Ç¥½Ã µÈ´Ù.
¾Æ·¡´Â ASTM ÀÇ Guide
C-876 using a copper/copper sulphate half cell:
ÃøÁ¤ °ªÀÌ 350mV ÀÌ»óÀÌ¸é ±Ý¼ÓÀÇ ºÎ½Ä °¡´É¼ºÀÌ 95% ÀÌ´Ù.
ÃøÁ¤ °ªÀÌ 200 ~ 350mV ÀÌ¸é ±Ý¼ÓÀÇ ºÎ½Ä °¡´É¼ºÀÌ 0% ÀÌ´Ù.
ÃøÁ¤ °ªÀÌ 200mV ÀÌÇÏÀÌ¸é ±Ý¼ÓÀÇ ºÎ½Ä °¡´É¼ºÀÌ 5% ÀÌ´Ù.
.
**ÀÌ °Ë»ç ¹æ¹ýÀº Ưº°È÷ ¾Æ·¡¿Í °°Àº °æ¿ì¿¡ È°¿ëµÈ´Ù.
±³·®¹Ù´ÚÆÇ (Bridge Decks) -ÁÖÂ÷Àå (Parking Garages)
ÄÜÅ©¸®Æ® ºÎµÎ ¹× µµÅ© (Concrete Piers and docks)
ÇϺα¸Á¶¹° (Substructure) -ÅͳΠ³»º® (Tunnel Lining)
Åä´ë (Foundations)
C-CM-4500 |
High impedance voltmeter |
C-CM-4410 |
Electrode extension pieces each 18 inches (41 cm) long |
C-CM-4400 |
Reference electrode including copper sulphate reservoir |
C-CM-4210 |
Container of copper sulphate (capacity 250 ml) |
C-CM-4220 |
Wetting agent reservoir (capacity 125 ml) |
C-CM-4420 |
Dispensing sponge |
C-CM-4300 |
Cable reel with 250 ft. (80 meters) cable |
C-CM-4000 |
Complete system |