Formula of anti-corrosion concrete used for filling pile and preparation method of anti-corrosion concrete

Abstract

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.

Description

Technical field [0001] The invention involves a concrete formula, especially a corrosive concrete formula and preparation method for irrigation piles, which belong to the field of civil engineering technology. Background technique [0002] In the field of civil engineering technology, the anti -corrosion problem of concrete structures has always been the main problem of engineering construction, especially the corrosion of concrete structures in the coastal areas and western regions in my country is even more prominent.The coastal areas are the developed regions of my country, and the western region is a development area, which is also an important position in my country's economic development.In the corrosion of the concrete structure, the construction (building) head is the first, and the architectural foundation is the first and serious structure of corrosion, and the pile is one of the main foundation.EssenceThere are many research results at home and abroad about concrete co...

AI Technical Summary

Problems solved by technology

There are also literatures that use fly ash, mineral powder and other admixtures for anti-corrosion concrete, but usually the admixture amount is determined according to the test results, which is a very inaccurate admixture method, and the result may be too much. If it is large, it will affect the performance of concrete, or if the dosage is insufficient, it will reduce the corrosion resistance

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