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Highway slope silty soil curing agent and preparation method thereof

A technology of curing agent and silt soil, which is applied in the direction of solid waste management, sustainable waste treatment, climate sustainability, etc., can solve the problems of poor protection effect of sandy soil on slopes, high cost and environmental impact, and achieve crack resistance Improvement, crack length reduction, crack area reduction effect

Active Publication Date: 2016-08-31
JIANGSU DINGTAI ENG MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the slope protection methods commonly used for silt soil slopes at home and abroad include engineering protection and greening protection. The engineering protection mainly adopts masonry and cement concrete blocks. This method is expensive and has a great impact on the environment. Sand protection effect is not good, soil erosion is still very serious

Method used

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  • Highway slope silty soil curing agent and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The road slope silty soil solidifying agent of the present embodiment, the component that it comprises and weight percent thereof are:

[0035] Silt soil: 90%, curing agent: 10%;

[0036] Wherein, each component that comprises in curing agent and percentage by weight thereof are:

[0037] Cement: Portland cement 65%,

[0038] Fly ash: secondary fly ash 12%,

[0039] Expansion agent: calcium sulfoaluminate expansion agent 5%,

[0040] High polymer: ethylene / vinyl acetate copolymer 1%,

[0041] Superplasticizer: polycarboxylate superplasticizer 0.5%,

[0042] Early strength agent: calcium chloride 1%,

[0043] Retarder: glucose 0.1%,

[0044] Thickener: bentonite 0.5%,

[0045] Fiber: 2% natural plant fiber,

[0046] Grass species: surplus.

Embodiment 2

[0048] The road slope silty soil solidifying agent of the present embodiment, the component that it comprises and weight percent thereof are:

[0049] Silt soil: 80%, curing agent: 20%;

[0050] Wherein, each component that comprises in curing agent and percentage by weight thereof are:

[0051] Cement: rapid hardening sulfoaluminate cement 55%,

[0052] Fly ash: first grade fly ash 15%,

[0053] Expansion agent: calcium oxide expansion agent 10%,

[0054] High polymer: vinyl acetate / ethylene tertiary carbonate copolymer 4%,

[0055] Superplasticizer: Nai superplasticizer 2%,

[0056] Early strength agent: triethanolamine 3%,

[0057] Retarder: trisodium citrate 0.1%,

[0058] Thickener: modified paraffin resin 1%,

[0059] Fiber: polypropylene fiber 3%,

[0060] Grass species: surplus.

Embodiment 3

[0062] The road slope silty soil solidifying agent of the present embodiment, the component that it comprises and weight percent thereof are:

[0063] Silt soil: 75%, curing agent: 25%;

[0064] Wherein, each component that comprises in curing agent and percentage by weight thereof are:

[0065] Cement: Sulfate-resistant cement 60%,

[0066] Fly ash: Class 1 fly ash 20%,

[0067] Expansion agent: calcium oxide expansion agent 8%,

[0068] High polymer: acrylic copolymer 3%,

[0069] Superplasticizer: polycarboxylate superplasticizer 1%,

[0070] Early strength agent: sodium sulfate 1%, triisopropanolamine 1%,

[0071] Retarder: maltose 0.05%, borate 0.05%,

[0072] Thickener: bentonite 0.05%, polyvinyl alcohol 0.05%,

[0073] Fiber: Polypropylene fiber 2%,

[0074] Grass species: surplus.

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Abstract

The invention relates to a road slope silt curing agent and a preparation method thereof. The road slope silt is prepared from the following components in percentage by weight: 50-90% of silt and 10-50% of a curing agent, wherein the curing agent is prepared from the following components in percentage by weight: 40-70% of cement, 10-30% of coal ash, 5-10% of an expanding agent, 0.5-4% of a high polymer, 0.1-2% of a super plasticizer, 1-3% of an early strength agent, 0.001-0.1% of a retarder, 0.01-1% of a thickener, 0.1-3% of fibers and the balance of grass seeds. According to the curing agent provided by the invention, the expanding agent and fibers are introduced. Compared with a curing agent in the prior art, the road slope silt curing agent has the advantages that the shrinkage rate of cured sandy soil is reduced by 40%, so that the crack resistance of a curing body is improved. A pore structure can be controlled, so as to provide a growing space for plants. By adopting low-grade coal ash, turning waste into wealth and environmental friendliness are facilitated.

Description

technical field [0001] The invention relates to a solidifying agent for road slope silty soil and a preparation method thereof. Background technique [0002] At present, the slope protection methods commonly used for silt soil slopes at home and abroad include engineering protection and greening protection. The engineering protection mainly adopts masonry and cement concrete blocks. This method is expensive and has a great impact on the environment. Sand and soil protection is not effective, and soil erosion is still very serious. The silt soil curing agent for high-grade highway slopes is mixed with the existing sand and soil of the slope, and it can be tapped with simple tools to stabilize the sand and prevent soil erosion on the slope. In addition to being able to consolidate with the original sand and soil, it has Certain strength and anti-scouring performance; it can also be mixed with some fast-growing grass species with well-developed root system, which can take root...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B28/06C04B18/08
CPCY02W30/91
Inventor 陈赞何伟兴冷一杰
Owner JIANGSU DINGTAI ENG MATERIAL
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