Method for preparing pavement base material by stabilizing iron tailings with novel soil curing agent
A technology of pavement base material and soil curing agent, applied in soil conditioning materials, chemical instruments and methods, organic fertilizers, etc., to achieve the effects of optimizing performance, improving service life, and expanding the scope of application
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Embodiment 1
[0025] The preparation of embodiment 1 novel soil solidifying agent
[0026] First, dilute the Tairan bio-enzyme soil stabilizer 100 times with water, and then add 10% CaCl of the diluted solution 2 And 8% acidified water glass (acidified water glass preparation: industrial water glass and 20% dilute sulfuric acid are mixed at a mass ratio of 1:1), the mixed liquid is put into a microwave reactor, and the microwave heating is reacted at 30°C for 30 Minutes, take out the mixed solution and cool to room temperature to obtain a new type of soil stabilizer.
Embodiment 2
[0028]The method for preparing the pavement base material of the present invention refers to the test methods in "Highway Engineering Inorganic Binder Stable Material Test Regulations" and "Highway Engineering Aggregate Experiment Regulations" to carry out particle size analysis test, standard compaction experiment, unconfined compressive strength experiment and Bending and tensile strength test, etc.
[0029] On the basis of 5 parts of fixed cement, 30 parts of crushed stone, and 68 parts of iron tailings (with a particle size below 0.074mm and greater than 7%), the dosage of the new soil stabilizer is 0.2 parts, 0.8 parts, 1.2 parts, 1.8 parts, and 2.0 parts were subjected to the unconfined compressive strength test, and the above-mentioned parts are parts by mass. The results obtained are shown in the table below:
[0030] Curing agent dosage (parts)
0.2
0.8
1.2
1.8
2.0
7-day unconfined compressive strength (MPa)
3.5
3.64
3.86
4....
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