A green dry-mixed shotcrete slope consolidation material and its preparation method and use method

Abstract

The invention discloses a green dry-mixed shotcrete-consolidating material and its preparation method and application method, which comprise the following raw materials in parts by weight: 90-120 parts of cement, 70-80 parts of natural sand, 20-30 parts of fly ash, 10-17 parts of silica fume, 25-36 parts of slag, 40-50 parts of stone, 6-7 parts of accelerator, 2-3 parts of water reducing agent, 0.01-0.05 parts of air-entraining agent, 0.5-3 parts of straw reinforced fiber , 0.3-6 parts of green pigment. It can effectively utilize solid waste such as fly ash, silica fume, and metallurgical slag, partially replace natural sand resources such as river sand, dune sand, and sea sand, and use crop straw to replace synthetic fibers such as polypropylene fibers, and has the advantages of less labor and high efficiency. , low rebound rate, high splitting tensile strength, high compressive strength, beautiful and natural, etc.

Description

technical field [0001] The invention relates to the technical field of embankment engineering, in particular to a green dry-mixed shotcrete slope consolidation material and a preparation method thereof. Background technique [0002] With the rapid development of my country's economy, there are more and more slope projects caused by highways, railways, and mining. A considerable proportion of these slope projects need to be reinforced by slope spray protection. Slope net spray protection is generally realized by concrete shotcrete combined with protective net. The spraying process is mainly divided into two types, dry spraying and wet spraying. Because wet spraying does not produce dust, it has little impact on workers and the environment and occupies fewer people. It is more and more popular among enterprises and construction personnel. of favor. However, the existing process generally adopts the on-site mixing method, which is random, prone to uneven mixing, and construct...

AI Technical Summary

Problems solved by technology

Modern industrial production produces a large amount of solid waste, which is a waste of land resources and pollutes the environment. The technical requirements for further disposal are high, the cost is high, and the burden on enterprises is obviously increased. There is an urgent need for recycling methods. In addition, in the vast rural areas, there are a large number of straw resources. If it can be effectively used in shotcrete materials, it can also take into account environmental protection and economic benefits; use solid waste such as fly ash, silica fume, and metallurgical slag to partially replace natural sand resources such as river sand, dune sand, and sea sand, and use Replacing synthetic fibers with crop straws to produce shotcrete is an effective way to alleviate the plight of depletion of non-renewable natural resources and solve a large amount of solid waste to be recycled

[0004] On the other hand, the concrete shotcrete is gray after drying. Although it meets the needs of slope protection from a functional point of view, it is relatively lacking in aesthetics, and it is difficult to meet the aesthetic needs of the people.

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