The invention relates to a preparation method of recycled aggregate ready-mixed
mortar, belonging to the field of building raw materials. The preparation method comprises the following steps of: taking waste concrete, waste bricks and waste sand-
lime building materials, which are smaller than 690mm, as raw materials, determining the quantity according to the needs, crushing and
drying till the
water content is not more than 0.5%, and then performing graded screening so as to prepare recycled aggregate with the particle sizes of 0.075-0.15 mm, 0.15-0.3 mm, 0.3-0.6 mm, 0.6-1.18 mm, 1.18-2.36 mm, 2.36-4.75 mm, 4.75-10 mm and 10-32 mm, wherein
metal, wood chips, plastics and other sundries are removed in the graded screening, and the masonry, plastering, waterproof or ground
mortar can be respectively prepared by enabling the proportion of the sum of one of the recycled aggregate,
cement, powdered ore and
cellulose, and short
fiber,
xanthan gum powder and waterproof
powder to the added water to be 1: 0.18. The recycled aggregate ready-mixed
mortar can be used as a building
raw material. The preparation method has the advantages of protecting natural resources, saving labor, saving time, saving effort, realizing low cost, changing the wastes into valuable things, and meeting the requirements of low-carbon production and living.