Lutron

 

¿°È­¹° ÇÔÀ¯·® ÃøÁ¤±â RCT

Two extraction methods are used:
- The RCT (Rapid Chloride Test) is used to determine the amount of acid-soluble chlorides
- The RCTW (Rapid Chloride Test Water) is used to determine the amount of water-soluble
chlorides

 

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RCT¿Í RCTW´Â ÇöÀåÀ̳ª ±×¶óÀδõ µîÀ» ÀÌ¿ëÇÏ´Â ½ÇÇè½Ç¿¡¼­ ȹµæÇÑ ÄÜÅ©¸®Æ® °¡·ç »ùÇÃÀÇ ¿°¼Ò ÀÌ¿Â ¾çÀ» ½Å¼ÓÇÏ°í Á¤È®ÇÏ°Ô ÃøÁ¤ÇÏ´Â ÀåºñÀÔ´Ï´Ù.

ÃøÁ¤ °á°ú´Â ´ÙÀ½°ú °°ÀÌ È°¿ëµË´Ï´Ù.

* ¿¹»ó ¼ö¸í ÃßÁ¤À» À§ÇÑ ¿°¼Ò ÀÌ¿Â Á¸Àç ¿©ºÎ ºÐ¼®

* Ç¥¸éÀ¸·ÎºÎÅÍ Ä§ÅõÇØ ¿À¿°µÇ¾î Á¦°ÅÀÇ ´ë»óÀÌ µÇ´Â ¿°¼Ò ÀÌ¿Â ÃþÀÇ ±íÀÌ È®ÀÎ

* mini great dane, galvapulse, rainbow indicator¿Í °°Àº ´Ù¸¥ ÃøÁ¤ Àåºñµé°ú ÇÔ²² È°¿ëÇØ ºÎ½Äµµ ÁøÇà ±¸Á¶ ±Ô¸í

* Àü±â È­ÇÐÀû ¿°È­¹° Á¦°Å °úÁ¤ÀÇ ¿°¼Ò ÀÌ¿Â ¾ç ¸ð´ÏÅÍ

* ¼ø¼ö ÄÜÅ©¸®Æ®³ª ±× ±¸¼º ¼ººÐ ¼Ó ¿°¼Ò ÀÌ¿Â ¾ç ÃøÁ¤

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* RCT´Â »ê¼º ¹°Áú¿¡ ¿ëÇصǴ ¿°È­¹°ÀÇ ¾çÀ» ÃøÁ¤Çϴµ¥ ÀÌ¿ëµË´Ï´Ù.

* RCTW´Â ¹°¿¡ ¿ëÇصǴ ¿°È­¹°ÀÇ ¾çÀ» ÃøÁ¤Çϴµ¥ ÀÌ¿ëµË´Ï´Ù.


µÎ °¡Áö ¹æ½ÄÀº ¼­·Î ´Ù¸¥ ÃßÃâ ¿ë¾×À» »ç¿ëÇÕ´Ï´Ù.

¹æ½ÄÀÇ Å¸ÀÔÀº °æÈ­µÈ ÄÜÅ©¸®Æ®³ª ¼ø¼ö ÄÜÅ©¸®Æ®ÀÇ ÃÖ´ë Çã¿ë ¿°¼Ò ÀÌ¿Â ¾ç¿¡ °üÇÑ »ó¼¼ ±âÁØ¿¡ µû¶ó ¼±Åõ˴ϴÙ.

´Ü, »ê¼º ÃßÃâÀº È­ÇÐÀûÀ¸·Î °áÇÕµÈ ¿°È­¹°À» Á¦°ÅÇÏÁö´Â ¾Ê½À´Ï´Ù.

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RCT ÃøÁ¤ °á°ú¿Í ¿°¼Ò ÀÌ¿Â ¾ç¿¡ °üÇÑ ¼ö¸¹Àº »ó°ü °ü°è°¡AASHTO T 260, ASTMC114, DS 423.28, NS 3671¿Í °°Àº Ç¥ÁØ ½ÇÇè½Ç ÀüÀ§Â÷ ÀûÁ¤ ¹æ½Ä¿¡ ÀÇÇØ ¼³¸íµÇ¾ú½À´Ï´Ù.

ÇÏ´Ü ±×·¡ÇÁ´Â ½ºÄ­µð³ªºñ¾Æ ±¹°¡µé°ú ¹Ì±¹ÀÇ ¿©·¯ ½ÇÇè½Ç¿¡¼­ ¹àÈù »ó°ü °ü°èÀÇ °á°ú¸¦ º¸¿©ÁÝ´Ï´Ù.

 

 

ÀÏ·Ê·Î, ½º¿þµ§ ±¹¸³ ÃøÁ¤ ¿¬±¸¼Ò´Â ÄÜÅ©¸®Æ®¿¡ Á÷Á¢ ÁÖÀÔÇÏ´Â ¹æ½ÄÀ¸·Î, Æ÷ÇÔµÈ ¿°¼Ò ÀÌ¿ÂÀÇ ¾çÀ» ¾Ë°í ÀÖ´Â ÄÜÅ©¸®Æ® °¡·ç¸¦ ¸¸µé¾ú½À´Ï´Ù.

±× ÄÜÅ©¸®Æ®´Â ÇÏ´Ü Ç¥¿Í °°ÀÌ ¼­·Î ´Ù¸¥ Á¢ÇÕÁ¦¸¦ ÀÌ¿ëÇØ ¸¸µé¾îÁ³½À´Ï´Ù. AASHTO T 260°ú RCT ÃøÁ¤À» ÅëÇØ ºñ±³ÇÏ´Â ½ÇÇèÀÌ ÁøÇàµÇ¾ú½À´Ï´Ù.

RCT ÃøÁ¤Àº »ê¼º ¹°Áú¿¡ ¿ëÇصǴ ¿°È­¹°À» ¿Ïº®È÷ ÃßÃâÇϱâ À§ÇØ °¡·ç »ùÇÃÀ» ÃßÃâ ¿ë¾×¿¡ ÇÏ·í¹ã µ¿¾È ÃæºÐÈ÷ ´ã°¡³õÀº µÚ¿¡ ÀÌ·ïÁ³½À´Ï´Ù.

±× ´ë½Å, 5ºÐ µ¿¾È À¯¸®º´À» Èçµé¾î ¾òÀº ½ÇÇè °á°ú¶ó¸é, °ü°è½ÄÀ» ÅëÇØ ÃøÁ¤µÈ ¿°¼Ò ÀÌ¿ÂÀÇ ¾çÀ» º¸Á¤ÇØÁà¾ß ÇÕ´Ï´Ù.


ÇÏ´Ü Ç¥´Â ÀÌ¹Ì ¾Ë°í ÀÖ´Â ¿°¼Ò ÀÌ¿Â ¾ç, AASHTO T 260À¸·Î ¾òÀº °ª, RCT·Î ¾òÀº °ªÀ» ºñ±³ÇÏ°í ÀÖ½À´Ï´Ù.

 

 

% Cl¯ per Mass of Concrete

Known Amount AASHTO T 260 RCT

Portland Cement

(CEM I)

0.023

0.071

0.328

0.024

0.070

0.314

0.022

0.072

0.321

Fly Ash Cement

(CEM II/B-V)

0.020

0.057

0.244

0.019

0.052

0.229

0.019

0.061

0.238

Slag Cement

(CEM III/B)

0.020

0.056

0.244

0.019

0.052

0.231

0.019

0.059

0.238

 

RCT ÃøÁ¤Àº ÀÌ¹Ì ¾Ë°í ÀÖ´Â ¿°¼Ò ÀÌ¿Â ¾ç°ú ºñ±³ÇßÀ» ¶§, ÀüÀ§Â÷ ÀûÁ¤ ¹æ½ÄÀÎ AASHTO T 260¿¡ ¹ö±Ý°¡´Â Á¤È®µµ¸¦ º¸¿©ÁÝ´Ï´Ù.

ÀÌ¹Ì ¾Ë°í ÀÖ´Â ¿°¼Ò ÀÌ¿Â ¾ç°ú ºñ±³ÇßÀ» ¶§, RCTÀÇ Æò±Õ ¿ÀÂ÷ ¹üÀ§´Â 4% ³»¿ÜÀÔ´Ï´Ù.

µ¿ÀÏ ÄÜÅ©¸®Æ® °¡·ç¿¡ ´ëÇÑ RCT ¹Ýº¹ ÃøÁ¤¿¡¼­, ÃøÁ¤ °á°úÀÇ º¯µ¿ÆøÀº Æò±Õ 5%ÀÔ´Ï´Ù.

¹°¿¡ ¿ëÇصǴ ¿°È­¹°¿¡ ´ëÇÑ RCTW ÃøÁ¤ÀÇ Á¤È®µµ´Â RCT ÃøÁ¤ °á°ú¿Í À¯»çÇÕ´Ï´Ù.

 

 

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¿ìÃø ±×·¡ÇÁ´Â 4³â°£ ¾óÀ½,´« Á¦°Å¿ë ¼Ò±Ý¿¡ ³ëÃâµÈ °í¼Óµµ·Î ±³°¢ ±âµÕÀ» ±×¶óÀεåÇØ ¾òÀº ÃøÁ¤ ´ë»ó¿¡ ´ëÇÑ µÎ °¡Áö ÃøÁ¤À» º¸¿©ÁÝ´Ï´Ù.

ÄÜÅ©¸®Æ® °¡·ç »ùÇÃÀº Ç¥¸éÀ¸·ÎºÎÅÍ  1~2mm ±íÀÌ¿¡¼­ ȹµæÇß°í, »ê¼º ¹°Áú¿¡ ¿ëÇصǴ ¿°È­¹°¿¡ ´ëÇÑ RCT ºÐ¼®°ú ¹°¿¡ ¿ëÇصǴ ¿°È­¹°¿¡ ´ëÇÑ RCTW ºÐ¼®ÀÌ ÀÌ·ïÁ³½À´Ï´Ù.

rainbow indicator·Î ÃøÁ¤ÇÑ ÅºÈ­ ó¸®µÈ ±íÀÌ´Â 2mm·Î, ¿°¼Ò ÀÌ¿Â ÃøÁ¤À¸·Î ±¸ÇÑ initial peak¿Í ÀÏÄ¡ÇÕ´Ï´Ù.

 

Item 

Order #

RCT chloride electrode 

RCT-770

Electrometer for mV, pH and ¨¬C 

RCT-990

Electrode wetting agent, 80 mL, w. spout 

RCT-1000

Distilled water, spray bottle 

RCT-1001

Polishing strips for electrode 

RCT-1002

Plastic bags for powder sampling 

RCT-1003

Powder collecting bowl 

RCT-1004

Powder collecting pan, circular 

RCT-1005

Powder collecting square w. clip 

RCT-1006

Adjustable pliers 

RCT-1007

Set of anchoring tools 

RCT-1008

Mandrel 

RCT-1009

Hammer 

RCT-1010

Powder compression pin 

RCT-1011

Powder weighing ampoules, 6 pcs 

RCT-1012

Calibration liquid, 0.005 % Cl- 

RCT-1013

Calibration liquid, 0.020 % Cl- 

RCT-1014

Calibration liquid, 0.050 % Cl- 

RCT-1015

Calibration liquid, 0.500 % Cl- 

RCT-1016

Cleaning tissues 

RCT-1017

Calibration sheets for hardened concrete 

RCT-1018

Calibration sheets for fresh concrete 

RCT-1019

Rubber ball dust remover 

RCT-1020

Pencil and ruler 

RCT-1021

Measuring tape 

RCT-1022

Extraction vials, hardened concrete, 10 pcs

RCT-1023

Manual 

RCT-1024

RCT calibrations and applications, binder

RCT-1025

Attaché case 

RCT-1026

 

RCT-500 Å°Æ®¿¡ Æ÷ÇÔµÈ ¸Å´º¾óÀº °æÈ­µÈ ÄÜÅ©¸®Æ®¿Í ¼ø¼ö ÄÜÅ©¸®Æ®¿¡ ´ëÇÑ »ê¼º ¹°Áú¿¡ ¿ëÇصǴ ¿°È­¹°°ú ¹°¿¡ ¿ëÇصǴ ¿°È­¹° ÃøÁ¤À» ¸ðµÎ ´Ù·ç°í ÀÖ½À´Ï´Ù.

 

 

  RCT-1030 set of calibration liquids         RCT-1000-1 electrode wetting agent          RCT-1032 mixing container and cu

                                                                                                                                                                 


 

Consumables

Extraction liquids for RCT testing for acid-soluble chlorides in hardened concrete or fresh concrete:

RCT-1023 vials, set of 25, for testing                                           RCT-1031 vials, set of 4, for testing

               hardened concrete                                                                            fresh concrete

 

Extraction liquids for RCTW testing for water-soluble chlorides in hardened concrete or fresh

concrete:

       

      RCTW-1023-1 vials, set of 25,                                                        RCTW-1031-1 vials, set of 4,

RCTW-1023-2 buffer vials, set of 25,                                       RCTW-1031-2 buffer vials, set of 4, for

    for testing hardened concrete                                                               testing fresh concrete

 

Optional items

RCT-1030 Certified Reference Powders

Nine jars, each containing 70 grams of concrete powder,

with known amounts of chlorides and titrated according

to AASHTO T 260

 

RCT-995 the 1.5 g balance for

checking the powder weighing

ampoules supplied in the RCT-500 kit

 

RCT-1028 pH-electrode

 

 

RCT-1029 temperature probe