The specimens cured for 28 days were saturated with water and then subjected to a vacuum drying experiment. During the test, the quality and lateral relaxation time of 2, 4, 6, 12, 24, 36 and 48 hours were tested.
A vacuum drying experiment was carried out after 28 days of full water treatment of the test pieces, during which 2,4,6,12,24,36 and 48 hours of mass and lateral relaxation time were tested.