Modified fiber concrete tubular pile and preparation method thereof
A technology of concrete pipe piles and modified fibers, which is applied in the direction of manufacturing tools, reinforced molding, ceramic molding machines, etc., can solve the problems of adverse effects on the durability of concrete structures, degradation of use functions, and structural damage, so as to reduce harmful holes and defects content, promoting transformation, and the effect of bonding surface compaction
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[0021] A modified fiber concrete pipe pile, which is composed of the following raw materials in parts by weight:
[0022] Dimethylol propionic acid 0.2, n-methylpyrrolidone 7-10, bone char 20, ordinary Portland cement 640, yellow sand 400, gravel 300, polycarboxylate superplasticizer 15, polyethylene wax 20, peroxide Benzoyl 0.2, maleic anhydride 6, polyethylene glycol monomethyl ether 3, ethyl cellulose 4, sp-80 0.7, waste rubber powder 70, triethylamine 0.2, IPDI trimer 3.
[0023] A method for preparing a modified fiber concrete pipe pile, comprising the following steps:
[0024] (1) Add the above-mentioned polyethylene wax to No. 3 white oil that is 3 times its weight, add dibenzoyl peroxide and maleic anhydride, heat and stir at 140°C for 2 hours, cool the discharge to room temperature, and add to In acetone with 2-3 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 o...
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