Concrete Paving Quality Control Procedures: Air-Void Analyzer (AVA)
Freeze-thaw resistance of concrete is primarily controlled by an air-void system with closely spaced small bubbles.
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The air-void analyzer provides a method of measuring the spacing factor in fresh concrete, rather than waiting for microscopical analysis of hardened concrete. A sample of mortar is taken from the concrete after it has been through the paver and tested immediately, with a result obtained in about 30 minutes. The AVA test should be used for quality control, not acceptance. The Concrete Paving Quality Control Procedures: Air-Void Analyzer (AVA) mobile app covers: Purpose, Principle, Test Procedure, Test Method, Output and Construction Issues. Did you know you know to validate with GoCanvas periodically?
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