The invention discloses a formula of anti-
corrosion concrete used for a filling
pile and a preparation method of the anti-
corrosion concrete. Ordinary
Portland cement and two-stage
coal ash are adopted as cementing agents for concrete, and an appropriate amount of high molecular material polyacrylate and
sodium nitrite are added to be used as modified materials for concrete, so that the concrete, with the function of preventing the
erosion of
sulfate and
chloride ions, for the filling
pile is prepared. The
doping amount of the
coal ash is given by adopting a computation method, so that the design of
mix proportion is more reasonable; the concrete has better workability, and the working performance of the concrete for the filling
pile is guaranteed; a
chloride ion penetration experiment proves that the
electric flux is quite low, and accordingly, the concrete has higher compactness; especially, after the concrete is put into a
sodium sulfate solution of 10% and subjected to dry-wet
cycling for 150 times, the
compressive strength ratio is still 0.92, and the surface of a concrete
briquette is complete without loss basically; the materials are easy to obtain, the preparation method is simple, the cost is low, and positive significance on the
environmental protection is achieved.