Concrete pipe pile and preparation method thereof
A technology for concrete pipe piles and raw materials, which is applied in the field of concrete pipe piles, can solve the problems of adverse effects on the durability of concrete structures, degradation of use functions, rust of steel bars, etc., so as to reduce the content of harmful holes and defects, promote transformation, and improve strength and stability. resistance effect
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[0019] A concrete pipe pile is characterized in that it is made up of the following raw materials in parts by weight:
[0020] Ordinary Portland cement 640, yellow sand 400, gravel 300, aluminum phosphate 20, polycarboxylate superplasticizer 15, polyethylene wax 20, dibenzoyl peroxide 0.2, maleic anhydride 6, polyethylene glycol monomethyl Ether 3, ethyl cellulose 4, sp-80 0.7, waste rubber powder 70, triethylamine 0.2.
[0021] A method for preparing a concrete pipe pile, comprising the following steps:
[0022] (1) Add the above-mentioned polyethylene wax to No. 3 white oil that is 4 times its weight, add dibenzoyl peroxide and maleic anhydride, heat and stir at 140°C for 3 hours, cool the discharge to room temperature, and add to In acetone with 3 times the weight of the cooling material, fully stir, filter, dry, mix with polyethylene glycol monomethyl ether, add No. 3 white oil 1.8 times the weight of the mixture, keep stirring at 90°C for 3 hours, suction filter, and dry...
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