Preparation method of recycled aggregate applied to laminated slab

Abstract

The invention discloses a preparation method of recycled aggregate applied to a laminated slab, and belongs to the technical field of recycled aggregate, and the preparation method specifically comprises the following steps: S1, collecting raw materials; s2, cleaning the raw materials; s3, grinding the raw materials; s4, screening the raw materials; s5, preparing filler particles; s6, soaking the filler particles; and S7, mixing the materials. According to the invention, the addition control capability of the water reducing agent during the preparation of the laminated slab can be improved by adjusting the infiltration particles, and the pulverized coal ash and the silicon powder of the infiltration particles can fill the pores of the recycled aggregate, so that the physical impact resistance of the prepared recycled aggregate is improved; the bonding capacity and impact strength of regenerated particles are achieved through the clay waste, the regulation and control requirements of additives for large-scale production are effectively improved, slow precipitation of the slow-release water reducing agent in the production process of laminated slab slurry is guaranteed, and the mixing control requirements of raw material water liquid are improved.

Description

technical field [0001] The invention belongs to the technical field of recycled aggregates, in particular to a method for preparing recycled aggregates applied to laminated boards. Background technique [0002] Waste concrete refers to the waste concrete blocks produced in the demolition of a large number of buildings, road maintenance, production and manufacture of concrete or other construction conditions. After a series of processing procedures, the waste concrete is blended according to an appropriate proportion. Aggregate is called recycled aggregate. The apparent density and bulk density of recycled aggregate are much smaller than natural aggregate, and the water absorption speed is fast and the dispersion degree is high. Using recycled aggregate instead of natural aggregate to prepare concrete can effectively save a large amount of natural high-quality bone. materials, reduce the cost of investment projects, and have greater economic benefits. [0003] In the prior a...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is: in order to solve the high water absorption of recycled aggregates during preparation, it is necessary to cooperate with water reducers to realize the physical properties of laminated boards. However, traditional water reducers are added when preparing laminated boards to reduce water The ratio of additives is likely to lead to insufficient water absorption, which affects the ratio of recycled aggregates, and a preparation method for recycled aggregates for laminated boards is proposed.