Soil compaction assistant and preparation method thereof
A compact and soil technology, applied in the field of civil engineering, can solve the problems of slow increase in the strength of lime soil, limited growth strength, low strength of cement soil, etc., and achieve the effects of unconfined strength improvement, shortened construction period, and good crack resistance.
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Embodiment 1
[0026] (1) Preparation of amide polyamine copolymer: Add 153.4 parts of methacrylamide and 114.9 parts of water into a reaction kettle equipped with a stirrer, a thermometer, and a reflux condensation device, and heat to a temperature of 30°C to 35°C while stirring ;While stirring, add 120.3 parts of formaldehyde dropwise, and drop it in 1h~1.5h; 184.4 parts of triethylenetetramine and 300 parts of water are made into monomer solution, 9.6 parts of potassium persulfate, 9.4 parts of sodium bisulfite and 108 parts of water are made into Initiator solution; double drops of monomer solution and initiator solution, 2h ~ 2.5h dripping; warm up to 50 ℃ and keep warm for 2h ~ 3h; cool down to room temperature, discharge, that is, a light yellow viscous liquid.
[0027] (2) Preparation of soil compacting aid: add 330 parts of prepared amide polyamine copolymers, 80 parts of water-based epoxy resin, 135 parts of potassium silicate, 39 parts of carboxymethyl cellulose, 12 parts of polyam...
Embodiment 2
[0029] (1) Preparation of amidopolyamine copolymer: Add 200.9 parts of N-methylolacrylamide and 134.6 parts of water into a reaction kettle equipped with a stirrer, thermometer and reflux condensing device, and heat to a temperature of 30°C while stirring ~35°C; add 149.2 parts of formaldehyde dropwise while stirring, and drop it in 1h~1.5h; add 122.9 parts of diethylenetriamine and 250 parts of water to make a monomer solution, add 13.5 parts of sodium persulfate, 8.9 parts of sodium pyrosulfite and 120 parts of water Make an initiator solution; double drops of monomer solution and initiator solution, 2h ~ 2.5h dripping; raise the temperature to 50 ℃ and keep warm for 2h ~ 3h; cool down to room temperature, discharge, that is, a light yellow viscous liquid.
[0030] (2) Preparation of soil compacting aid: add 175 parts of prepared amide polyamine copolymers, 123 parts of water-based epoxy resin, 135 parts of sodium silicate, 47 parts of hydroxymethyl cellulose, 25 parts of pol...
Embodiment 3
[0032] (1) Preparation of amidopolyamine copolymer: same as in Example 2.
[0033] (2) Preparation of soil compacting aid: add 280 parts of prepared amide polyamine copolymers, 104 parts of water-based epoxy resin, 123 parts of sodium silicate, 42 parts of hydroxymethyl cellulose, 19 parts of polyamide in the reactor Propylene oxide butyl ether defoamer and 432 parts of water, heated to 40°C and stirred for 0.5h to 1h, cooled to room temperature and discharged.
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