Mud-resistant agent for regenerated water stable layer and application method thereof

Abstract

The invention discloses a mud-resistant agent for a regenerated water stable layer. The mud-resistant agent is prepared from the following components in parts by mass: 30 to 45 parts of mud dispersingcomponent, 4 to 7 parts of mud adsorbing component, 30 to 40 parts of ion complex component, and 70 to 90 parts of set retarding component. The mud-resistant agent has the characteristics that the mud-resistant agent is compounded with other polycarboxylic acid water reducing agents; the technical bottleneck of application of the polycarboxylic acid water reducing agent in the regenerated water stable layer is breaken through; the dispersivity of cement in the regenerated water stable layer is improved, the strength of the regenerated water stable layer is enhanced, the doping amount is low,the cost is low, and the like; the adverse effect to the base layer of the regenerated water stable layer is avoided; meanwhile, the pollution to environment is avoided in the production and use process, and the mud-resistant agent is a green and environment-friendly product.

Description

technical field [0001] The invention belongs to the technical field of resource recycling, and in particular relates to an anti-mud agent for reclaimed water stabilization and an application method thereof. Background technique [0002] With the continuous acceleration of the urbanization process in our country, the transformation of old roads and houses is also continuously strengthened, which will generate a large amount of construction waste. Unreasonable disposal of construction waste, such as landfill and stacking, will not only occupy land resources, but also cause serious pollution to land, water and air. Construction solid waste is not useless in nature, it is a resource placed in the wrong place at the wrong time, a misallocated treasure and an "urban mine". Through recycling, recycling or other measures, it can be directly turned into products or converted into reused secondary raw materials, reducing or even avoiding its hazards, and obtaining good economic, soci...

AI Technical Summary

Problems solved by technology

However, since the polycarboxylate superplasticizer is more sensitive to the content of soil in the aggregate during use, the content of fine aggregate (particle size <0.075mm, subsequently referred to as "regenerated soil") in the recycled aggregate is below 4 %, equivalent to the amount of cement in it, the recycled soil will inhibit the dispersion of the polycarboxylate superplasticizer to the cement, or even fail, and eventually the cement will not be uniformly dispersed in the recycled water, and a complete three-dimensional space structure will not be formed when solidified , so that it cannot play the role of enhancing the stable strength of regenerated water

[0005] In order to solve the influence of recycled soil on polycarboxylate superplasticizer, the common method is to directly increase the dosage of polycarboxylate superplasticizer, but the increase in the dosage of polycarboxylate superplasticizer not only leads to the increase of production cost, but also due to Too much and in turn affect the strength of the reclaimed water stability

[0006] In addition, there are also ways to meet the use requirements by compounding with other anti-mud agents, but most of these anti-mud agents are used in concrete, mainly for the soil doped in new aggregates, such as montmorillonite and kaolin etc. However, there is no relevant research on the anti-mud agent used in the reclaimed water of polycarboxylate water reducer, and there are no application examples

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