Why can't lime powder be directly used for masonry mortar?
Because we need other substances and curing bonded together, to a solid filler, although itself can react with carbon dioxide in the air to produce calcium carbonate solid hard, but also need better curing and sand as filler.
The cold area, ground quick lime powder directly into the winter construction measures is in masonry mortar; "code for acceptance of construction quality of masonry engineering GB50203-2002 also pointed out that: lime powder may not be directly used in masonry mortar, the rules of the provision that: lime powder can not play a plasticizing effect, and influence strength.
Slaked lime powder shall not be used directly in masonry mortar. The provisions of this code point out that slaked lime powder is not fully slaked lime, and the particle is too coarse and can not be improved and easy to do;
