A kind of ore tailings hydraulic road material and preparation method thereof

Abstract

The invention provides an ore tailing hydraulicity road material and a preparation method thereof. The road material is prepared from the following raw materials in percentage by weight: 84 to 91 percent of ore tailings, 0 to 8 percent of fly ash, 0 to 5 percent of gypsum, 3 to 10 percent of cement and 0.2 to 1 percent of curing agents, wherein the curing agents are prepared from the following rawmaterials in percentage by mass: 1 to 3 percent of anionic chelates, 0.01 to 0.035 percent of nanometer oxides, 0.1 to 0.2 percent of crosslinking agents, 0.1 to 0.5 percent of quinoline oxides and 1to 5 percent of metal salts; the curing agents also are prepared from water reducing agents, curing accelerators and anti-seepage agents. The ore tailing is used for producing the road material; theconventional road base layer and road water stabilizing layer can be replaced and can be merged into one layer; the construction is convenient; the environment pollution is reduced; the waste materials are changed into valuable materials; the formed road layer has high anti-cracking performance; corrosion cannot easily occur; the service life is long.

Description

technical field [0001] The invention relates to the field of road engineering construction, in particular to an ore tailings hydraulic road material and a preparation method thereof. Background technique [0002] The road construction industry is the basic industry of the economy and plays a vital role in the development of the national economy. At present, my country's highways are far ahead of the sum of other modes of transportation in terms of passenger traffic, freight volume, and passenger turnover. However, with the rapid development of roads, especially expressway construction, the problem of premature destruction of large areas of roads is also very prominent. Many newly-built or recently overhauled national and provincial roads have experienced serious early damage, which is far behind the design service life. Reasons for premature failure of concrete pavement include design, construction and usage reasons. [0003] With the development of production technology,...

AI Technical Summary

Problems solved by technology

In cement-stabilized soil, cement, as a hydraulic material, produces colloids when it meets water. These colloids cannot form a unified whole in the soil, and will also destroy the structure and connection of the soil itself, resulting in a large number of unstable spaces. Under the intrusion and temperature changes, it will become very fragile, so the road base formed by cement stabilized soil is very easy to crack and has poor crack resistance

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