Road disease controlling grouting reinforcement material and preparation method thereof

Abstract

The invention discloses a road disease controlling grouting reinforcement material. The road disease controlling grouting reinforcement material is formed by mixing a component A and a component B ata volume ratio of 2:1, wherein the component A is prepared from, by weight part, 20-120 parts of ground slag, 10-110 parts of coal ash, 12-44 parts of cement, 12-110 parts of fine sand, 0.15-0.5 partof fiber, 1.2-4.5 parts of water reducer, 2-6 parts of hardening accelerator, 1-4 parts of retarder and 50-130 parts of water; the component B is prepared from alkaline activator and flocculant at a ratio of 100:1-6. By adding the flocculant into the alkaline activator, slurries can achieve good dispersion resistance inside water-enriched gapped base layers and weak subgrades and can be rapidly coagulated to form reinforcement, so that the shortcoming that traditional slurries are prone to dispersion and low in reinforcement forming in a water-enriched environment can be overcome; by adding the fine sand into the road disease controlling grouting reinforcement material, under the condition of extensive water-enriched gapping, the flocculation effects of the flocculant can be improved, andcoagulation and reinforcement forming of the slurries can be accelerated; by adding a small mount of the hard cement into the road disease controlling grouting reinforcement material, coagulation of the mixed slurries can be further accelerated, and early strength can be improved.

Description

technical field [0001] The invention relates to a construction material for treating road diseases, in particular to a grouting reinforcement material for treating road diseases, and also relates to a preparation method of the material. Background technique [0002] Under the comprehensive action of traffic load and complex natural environment, the road will suffer from the erosion of the base layer, the subsidence of the subgrade wet and soft, and the lack of local strength. At present, the commonly used treatment and maintenance technologies for these diseases in actual engineering mainly include various thin-layer overlay treatments, excavation and resurfacing, and grouting reinforcement. Among them, grouting reinforcement has become an important way to treat the above diseases due to the advantages of simple process, low cost, and fast open traffic, and the grouting material is the key factor affecting the effect of grouting reinforcement. At present, the commonly used ...

AI Technical Summary

Problems solved by technology

Chinese invention patent CN 106587784 discloses a method for preparing double-liquid grouting materials with blast furnace slag powder as the main raw material, but the setting time is too long (more than 3 hours for initial setting), and the strength formation is slow; Chinese invention patent CN 106145798 records A method for preparing a fast-setting two-liquid grouting material with mineral powder and red mud as raw materials, but when this grouting material is used in a hollow base or a weak roadbed rich in open water, the grout is easy to disperse and the setting time is short. Tens of minutes to several hours are extended to varying degrees, and it is not easy to control, the strength is formed slowly, and the traffic cannot be opened quickly, which affects the effect of grouting reinforcement