Recycled aggregate surface treating agent and use method thereof

Abstract

The invention discloses a recycled aggregate surface treating agent and a use method thereof. The recycled aggregate surface treating agent is characterized by comprising the following components in percentage by weight: 4%-6% of acrylate, 0.2%-0.9% of peroxysulphate, 0.1%-0.5% of triethanolamine, 3%-5% of a cross-linking agent, 1%-3% of a silane coupling agent, 0.5%-1% of lignosulphonate calcium and 83.6%-91.2% of water. According to the recycled aggregate surface treating agent, the water absorption rate of recycled aggregates can be obviously decreased, and the property of an interfacial transition zone between the recycled aggregates and cement stone is improved, so that the concrete strength is improved.

Description

technical field

[0001] The invention relates to the technical field of utilization of construction waste materials, in particular to a recycled aggregate surface treatment agent and a use method thereof. Background technique

[0002] As one of the pillar industries of the national economy, the construction industry has developed by leaps and bounds in recent years, but the resulting construction waste is also increasing. In order to utilize these construction wastes, manufacturers crush construction wastes, screen out regenerated coarse and fine aggregates, regenerated powder, etc., and reuse them in concrete. However, the high porosity, high water absorption, low bulk density and high crushing index of recycled aggregates make recycled concrete have a certain decline in performance compared with ordinary concrete, which limits the utilization of recycled concrete to a certain extent.

[0003] At present, there are mainly chemical strengthening methods and physical strength...

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