The mortar is stirred mechanically, and the feeding sequence is: sand first, lime paste, cement, and fly ash last. The stirring time is not less than 120 minutes.
The mortar is mechanically stirred, and the order of feeding is: first sand, then lime paste, then cement, and finally fly ash. Stir for at least 120 minutes.
The mortar is mechanically mixed, and the feeding order is as follows: first sand, then lime paste, then cement, and finally fly ash. The mixing time shall not be less than 120 minutes.<br>