Can be seen from the figure, the test piece is continuously placed in a curing room, the mass change of 28 days showed positive, indicating that with the extension of age, increasing the quality of the test piece,
As can be seen from the figure, the test pieces continueto to be placed in the standard room, the 28-day quality change is positive, indicating that the quality of the test pieces increases with the extension of the age,
It can be seen from the figure that the 28 day mass change of the test piece kept in the standard curing room shows a positive value, indicating that the mass of the test piece increases with the extension of the age,<br>