Preparation method for modified sand body
A technology for modifying sand body and production method, which is applied in the fields of sand resource utilization and desertification control, and can solve the problems of deterioration of asphalt performance, frequent sand movement, adverse effects on plants, etc.
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Example Embodiment
[0099] Example one:
[0100] Polyvinyl alcohol is selected for solid organic substances that can be dissolved in water;
[0101] Stir the polyvinyl alcohol and water according to the weight ratio of 10:100 to form a solution;
[0102] Take 1000kg of sand, then take 155kg of polyvinyl alcohol dissolved in water to form a solution, add the solution to the sand, then mix and stir to form a modified sand; the weight of the polyvinyl alcohol and the sand in the modified sand The ratio is 1:71.0;
[0103] Pave the modified sand body outdoors with a paving thickness of about 10cm. The moisture of the modified sand body is well preserved. Under the spring climate conditions in Chongqing, the evaporation is small. The appearance of the modified sand body is similar to that of the soil. After the sand body is dried, the surface of the modified sand body is compacted into a whole after the surface loses water; then water is sprinkled on the surface of the modified sand body after the loss of wa...
Example Embodiment
[0106] Embodiment two:
[0107] Hydroxypropyl methylcellulose is selected as the solid organic substance that can be dissolved in water;
[0108] Stir the hydroxypropyl methylcellulose and water in a weight ratio of 0.35:100 to form a solution;
[0109] Take 1000kg of sand, then take 130kg of hydroxypropyl methylcellulose solution, mix the sand with the solution and stir evenly to form a modified sand body. The weight of the hydroxypropyl methyl cellulose and the sand body in the modified sand body The ratio is 1:2205;
[0110] Pave the modified sand body outdoors with a paving thickness of about 10 cm. The water in the modified sand body is well preserved. Under the spring climate conditions in Chongqing, the evaporation is small. The modified sand body will evaporate and then meet with water. The grains are bonded together again, and the sand body is in a plastic and wet state;
[0111] Spread the modified sand body containing grass seeds outdoors, and the moisture of the modified s...
Example Embodiment
[0113] Embodiment three:
[0114] Sodium carboxymethyl cellulose is used as the solid organic substance soluble in water;
[0115] Stir the sodium carboxymethyl cellulose and water according to the weight ratio of 2:100 to form a solution;
[0116] Take 1000kg of sand, then take 187kg of sodium carboxymethyl cellulose solution, mix the sand and sodium carboxymethyl cellulose solution and stir evenly to form a modified sand body. The substance in the modified sand body is sodium carboxymethyl cellulose and The weight ratio of the sand body is 1:272.7;
[0117] Pave the modified sand body outdoors with a paving thickness of about 10 cm. The water of the modified sand body is well preserved. Under the spring climate in Chongqing, the evaporation is small, and the appearance of the modified sand body is similar to that of the soil. After the surface of the modified sand body is dried, the surface of the modified sand body is compacted and has a certain strength. If water is sprayed on th...
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