Concrete Manual Tests: Verification of Water in Fresh Concrete by Use of a Microwave Oven Mobile App
DOT has incorporated the use of AASHTO TP23-93 to verify the Contractor’s water in concrete pavements.
How does it work?
This test uses a microwave oven to drive the water out of fresh concrete. Mn/DOT has an incentive/disincentive program for the water-cementitious (w/c) ratio. This incentive is based on the Contractor’s actual batch weights and is verified using the microwave. Use the Concrete Manual Tests: Verification of Water in Fresh Concrete by Use of a Microwave Oven mobile app to complete this verification process.