Transcription of Electrical Conductivity Testing - GERMANN | Test …
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PCA R&D Serial No. 3002 Electrical Conductivity Testing by Michelle R. Nokken and R. Doug Hooton Reprinted by permission of American Concrete International, 2006 All rights reserved 58 OctOber 2006 / Concrete international by Michelle r. NOkkeN aNd r. dOug hOOtONa contribution from aci committee 236 Electrical Conductivity Testing a prequalification and quality assurance tool Performance-based durability criteria are becoming more prevalent in specifications for concrete structures. Although several standardized and nonstandardized methods are currently used as index tests, or indicators of potential durability, most require a significant lag time between placing the concrete and obtaining the test results.
Concrete international / OctOber 2006 59 the overall or bulk conductivity, obtaining pore solution from cement pastes older than about 6 hours requires
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