Standard on mixes’ electrical resistance spells critical quality control data

Sources: ASTM International, West Conshohocken, Pa.; CP staff

The proposed ASTM WK50586, Practice for Measuring the Electrical Resistance of Fresh Concrete standard will show how to sample a load, prepare a mix specimen for evaluation and conduct measurements—the latter yielding information on water-cement ratio, initial setting time, compressive strength, and overall concrete quality.

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