A kind of marine self-protection concrete and preparation method thereof

Abstract

The invention relates to a marine self-protective concrete and a preparation method thereof, comprising the following components, cement 200-400kg / m 3 , fly ash 80‑150kg / m 3 , mineral powder 40‑80kg / m 3 , micro silica fume 20‑40kg / m 3 , sand 650‑850kg / m 3 , gravel 900‑1100kg / m 3 , water 150‑180kg / m 3 , polycarboxylate water reducer 0.5‑1.5kg / m 3 , dense improvement material 20‑40kg / m 3 , super-hydrophobic harmful ion isolation material 10‑20kg / m 3 , anti-fouling biological corrosion agent 5‑10kg / m 3 . Adding compaction improvement materials to concrete can effectively improve the compactness of concrete after curing, which is beneficial to improve its corrosion resistance. At the same time, adding super-hydrophobic harmful ion isolation materials can isolate harmful ions in the marine environment from concrete and reduce harmful ions. The amount of corrosion damage, while the anti-fouling bio-corrosion agent added to avoid bio-corrosion caused by the marine environment, improve the overall anti-corrosion performance and durability of concrete.

Description

A kind of marine self-protection concrete and preparation method thereof technical field The present invention relates to a kind of functional concrete and preparation method thereof, relate in particular to a kind of marine engineering suitable for marine engineering environment Self-protection concrete and preparation method thereof. Background technique The durability of marine concrete is a problem that people are generally concerned about in the past half century, due to the complexity of the marine environment. Diversity, such as seawater immersion, wave scouring and the intervention of various rot ions, etc. The problem is becoming more and more prominent, seriously endangering the safety and durability of engineering facilities. Therefore, the anti-corrosion problem of marine concrete structures issue is gradually gaining attention. In marine concrete construction projects, the use of organic exterior protective coatings is the most commonly used to improve...

AI Technical Summary

Problems solved by technology

In marine concrete construction projects, the use of organic external protective coatings is the most commonly used technical measure to improve durability. However, the external protective coatings only build a protective layer on the concrete surface, and the durability of the interior of the concrete has not been substantially improved. Once The durability of marine concrete will be greatly challenged if the organic external protective coating is aged and damaged

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