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An Interlaboratory Study of the Test Method for Determining Low-Levels of Chloride in Concrete and Raw Materials
An interlaboratory study was conducted among five laboratories which perform the certification testing for chloride content in prestressed concrete. A precision statement regarding the accuracy of the method was developed after repeating the test program at six months. The maximum standard deviation determined in this study was slightly larger than that determined in a previous study. The difference was insignificant and did not require a change in specification for limiting chloride in prestressed concrete. However, a change in specification was recommended for the range of test results from .15 to .08 lb/cy for a valid determination of chloride content of concrete.
An Interlaboratory Study of the Test Method for Determining Low-Levels of Chloride in Concrete and Raw Materials
An interlaboratory study was conducted among five laboratories which perform the certification testing for chloride content in prestressed concrete. A precision statement regarding the accuracy of the method was developed after repeating the test program at six months. The maximum standard deviation determined in this study was slightly larger than that determined in a previous study. The difference was insignificant and did not require a change in specification for limiting chloride in prestressed concrete. However, a change in specification was recommended for the range of test results from .15 to .08 lb/cy for a valid determination of chloride content of concrete.
An Interlaboratory Study of the Test Method for Determining Low-Levels of Chloride in Concrete and Raw Materials
R. J. Kessler (author)
1982
28 pages
Report
No indication
English
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