Soil stabilizer, and preparation and applications thereof

A soil curing agent and soil technology, applied in the direction of chemical instruments and methods, applications, soil conditioning materials, etc., can solve the problems of easy strength reduction when exposed to water, complicated retrieving methods, slow degradation speed, etc., to achieve no toxic side effects, source Broad, penetrating effect

Pending Publication Date: 2019-06-18
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problems of the soil curing agent in the prior art, such as complex retrieving methods, slow degradation speed, reduced strength when exposed to water, and poor water resistan

Method used

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  • Soil stabilizer, and preparation and applications thereof
  • Soil stabilizer, and preparation and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0021] Example 1

[0022] The soil solidification agent of this embodiment is made by the following steps:

[0023] Inject 1000kg of clean drinking water into the enamel reactor equipped with heating system, reflux condensation and stirring device, heat it to 60℃, add 30kg of sodium alginate (with an average molecular weight of 200,000 to 240,000), and stir for 30 minutes , Heat the reactor to increase the temperature to 75℃, keep it for 1 hour under this condition (take a sample before discharging to observe whether the product is a completely transparent viscous aqueous solution, if not, extend the holding time accordingly), then cool to Discharge the material at 40°C and put it into a plastic bucket, which is a soil curing agent for soil consolidation, seepage prevention and erosion.

Example Embodiment

[0024] Example 2

[0025] The soil solidification agent of this embodiment is made by the following steps:

[0026] Inject 1000kg of clean drinking water into the enamel reactor equipped with heating system, reflux condensation and stirring device, heat to 55℃, and divide 20kg of sodium alginate (with an average molecular weight of 200,000 to 240,000) in two batches Add clean drinking water, stir for 17 minutes after each addition, heat to raise the temperature in the reactor to 70°C, keep it for 0.5 hours under these conditions until the product is a completely transparent viscous hydrogel, and cool to 50°C. Discharge the material and put it into a plastic bucket, which is a soil curing agent for soil consolidation, seepage resistance and erosion prevention.

Example Embodiment

[0027] Example 3

[0028] The soil solidification agent of this embodiment is made by the following steps:

[0029] Inject 1000kg of clean drinking water into the enamel reactor equipped with heating system, reflux condensation and stirring device, heat it to 65℃, and divide 10kg of sodium alginate (with an average molecular weight of 200,000 to 240,000) in two batches Add clean drinking water, stir for 23 minutes after each addition, heat to raise the temperature in the reactor to 80°C, keep it for 1 hour under these conditions until the product is a completely transparent viscous hydrogel, and cool to 45°C. Discharge the material and put it into a plastic bucket, which is a soil curing agent for soil consolidation, seepage resistance and erosion prevention.

[0030] The soil solidification agents prepared in the foregoing Examples 1 to 3 are all based on sodium alginate as an effective ingredient. The soil solidification agent can be used to solidify soil, improve soil impermeabil...

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PUM

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Abstract

The invention provides a soil stabilizer, and a preparation and applications thereof, and belongs to the technical field of sandy soil immobilization material. The soil stabilizer comprises, by mass,1 to 3 parts of sodium alginate, and 100 parts of water. The preparation method comprises following steps: 1, sodium alginate and water are mixed at a certain ratio, and are subjected to pre-stirring;and 2, after stirring, an obtained mixture is heated to a certain temperature, and thermal insulation treatment is carried out until a sticky hydrogel is formed, and cooling is carried out so as to obtain the soil stabilizer. The preparation method is capable of solving problems in the prior art that material taking method of conventional soil stabilizers is complex, degradation speed is low, strength reduction is easily caused after contact with water, and water resistance is poor, and excellent soil immobilizing performance, prevention inhibition effect, and erosion resistance are achieved.

Description

technical field [0001] The invention relates to the technical field of sand and soil solidification materials, in particular to a soil solidification agent and its preparation method and application. Background technique [0002] With the development of society and the advancement of science and technology, the transformation and construction activities of human beings in natural areas are becoming more and more frequent. When building roads and utilizing high-rise and underground spaces, the strength of foundation soil and subgrade soil must be considered. Especially on the Loess Plateau in Northwest my country, because the loess soil is rich in calcareous components, and has the characteristics of loose accumulation, poor particle sorting, large pore structure, and strong collapsibility, it is often not directly used as an engineering project. For soil, it is necessary to improve the soil by physical and chemical means to ensure that the properties of the soil can meet the ...

Claims

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Application Information

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IPC IPC(8): C09K17/32C09K103/00
Inventor 庄建琦赵勇王颖贾艳军牛鹏尧贾珂程
Owner CHANGAN UNIV
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