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a soil stabilizer

A technology of soil stabilizer and waste concrete, which is applied in the field of building materials, can solve the problems of poor strength improvement of stabilized soil, etc., and achieve the effect of promoting agglomeration, large specific surface energy, and increased strength

Active Publication Date: 2020-07-14
JIANGSU AGRAFORUM ECOCYCLE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is: aiming at the shortcomings of traditional soil stabilizers that are not effective in improving the strength of stabilized soil, a soil stabilizer is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0020] Add calcium alginate and water into a single-necked flask at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move the single-necked flask into a digital speed measuring constant temperature magnetic stirrer at a temperature of 100°C and a speed of Under the condition of 500r / min, heat and stir to dissolve for 50min to obtain calcium alginate liquid; put the waste concrete in a ball mill to pulverize to obtain waste concrete powder; put waste concrete powder and calcium alginate liquid in a mass ratio of 1:50 In the No. 1 beaker, under the condition of rotating speed of 200r / min, stir and mix for 50min to obtain the concrete powder mixture, and then filter the concrete powder mixture to obtain the pretreated waste concrete powder; put the pretreated waste concrete powder in the muffle furnace , at a temperature of 900°C, calcined for 2 hours, and then lowered to room temperature with the furnace to obtai...

example 2

[0022] Put activated carbon and calcium hydroxide saturated solution in a No. 2 beaker at a mass ratio of 1:100, stir and mix for 50 minutes at a speed of 300r / min to obtain a mixed solution, and then continuously inject carbon dioxide into the mixed solution until mixed There is no precipitation in the solution, and then the mixed solution with carbon dioxide is filtered to obtain a filter residue, and the resulting filter residue and tetraethyl orthosilicate are placed in a No. 3 beaker at a speed of 400r / min at a mass ratio of 1:20 , stirred and mixed for 20 minutes to obtain a mixed slurry, then filtered the mixed slurry to obtain coated activated carbon, then placed the coated activated carbon in a tube furnace, and filled the furnace with nitrogen at a rate of 90mL / min, at a temperature of 900°C Under high temperature conditions, react at high temperature for 3 hours to obtain pretreated coated activated carbon, put pretreated coated activated carbon and paraffin in a bal...

example 3

[0024] Add calcium alginate and water into a single-necked flask at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move the single-necked flask into a digital speed measuring constant temperature magnetic stirrer at a temperature of 100°C and a speed of Under the condition of 500r / min, heat and stir to dissolve for 50min to obtain calcium alginate liquid; put the waste concrete in a ball mill to pulverize to obtain waste concrete powder; put waste concrete powder and calcium alginate liquid in a mass ratio of 1:50 In the No. 1 beaker, under the condition of rotating speed of 200r / min, stir and mix for 50min to obtain the concrete powder mixture, and then filter the concrete powder mixture to obtain the pretreated waste concrete powder; put the pretreated waste concrete powder in the muffle furnace , at a temperature of 900°C, calcined for 2 hours, and then lowered to room temperature with the furnace to obtai...

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Abstract

The invention discloses a soil stabilizer, and belongs to the technical field of building materials. Waste concrete is crushed to obtain waste concrete powder, the waste concrete powder and calcium alginate liquid are stirred, mixed and filtered to obtain pretreated waste concrete powder, activated carbon and calcium hydroxide saturated solution are stirred and mixed to obtain mixed liquid, carbondioxide is led into the mixed liquid, the mixed liquid is filtered to obtain filter residues, the obtained filter residues and ethyl orthosilicate are stirred, mixed, filtered and subjected to high-temperature reaction to obtain pretreated coated activated carbon, the pretreated coated activated carbon is mixed with paraffin in a ball-milling manner to obtain modified coated activated carbon, thepretreated waste concrete powder is calcined and cooled to obtain modified waste concrete, and gypsum powder, coal ash, the calcined waste concrete, phenolic resin, Arabic gum, water, the modified coated activated carbon, curing agents and water reducing agents are stirred and mixed to obtain the soil stabilizer. The prepared soil stabilizer has the advantage that soil strength is improved.

Description

technical field [0001] The invention relates to a soil stabilizer, which belongs to the technical field of building materials. Background technique [0002] The semi-rigid base material is widely used, low in cost, high in strength, high in rigidity, good in stability and anti-scourability, and serves as the main load-bearing function of the pavement structure. However, the disadvantages of semi-rigid materials are low deformation resistance, high brittleness, and easy cracking when the humidity or temperature changes. If there is too much water loss or the temperature is too low during construction, micro-cracks or macro-cracks will occur in the base layer. After finishing the surface layer, under the repeated action of temperature and vehicle load, the cracks in the base layer will develop upward to form reflective cracks. The semi-rigid base material can give full play to its advantages only under the premise of ensuring its structural integrity. Once cracks (dry shrinka...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B20/04C04B20/12
CPCC04B20/04C04B20/12C04B28/14C04B2111/00732C04B2201/20C04B2201/50C04B18/08C04B18/16C04B24/302C04B24/38C04B14/022C04B24/42C04B24/121C04B24/18C04B20/026C04B20/023C04B20/107C04B20/1066C04B20/1044
Inventor 马小良殷磊陈一水
Owner JIANGSU AGRAFORUM ECOCYCLE TECH CO LTD
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