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首页> 外文期刊>International Journal of Electrochemical Science >Corrosion Behavior of Steel Rebar in Cemented Tailings Backfill in Brine
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Corrosion Behavior of Steel Rebar in Cemented Tailings Backfill in Brine

机译：盐水尾矿回填钢筋钢筋腐蚀行为

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摘要

In order to investigate the effect of brine on the corrosion process of rebar in the backfill of the mine and the strength of the backfill, four kinds of anti-corrosion measures, such as passivation, water-soluble rust inhibitor, epoxy resin, epoxy resin and water-soluble rust inhibitor combination, were selected. The corrosion behavior of rebar in the backfill mixed with brine was studied by electrochemical test, and compared with that of backfill mixed with deionized water. At the same time, the influence of brine on the early, middle and long-term strength of filling sample was analyzed by uniaxial compression test and XRD test. The results showed that the brine had a significant corrosion effect on the rebar in the backfill, and the combination of epoxy resin and water-soluble rust inhibitor had the best effect among the four anti-corrosion measures. The effect of brine increased the content of ettringite, which in turn increased the early strength of the test sample of the backfill, but the rebar in the test sample was constantly corroded, and the corrosion products were not conducive to the long-term strength.
机译：为了探讨盐水对钢筋腐蚀过程的影响矿井回填的腐蚀过程和回填的强度，四种防腐措施，如钝化，水溶性防锈剂，环氧树脂，环氧树脂和水溶性防锈剂组合选自。通过电化学试验研究了与盐水混合的回填中钢筋的腐蚀行为，与与去离子水混合的回填相比。同时，通过单轴压缩试验和XRD试验分析了盐水对早期，中间和长期强度的填充样品的影响。结果表明，盐水对回填的钢筋有显着的腐蚀作用，环氧树脂和水溶性防锈剂的组合在四种防腐蚀措施中具有最佳效果。盐水的效果增加了Ettringite的含量，这又增加了回填的测试样品的早期强度，但试验样品中的钢筋持续腐蚀，腐蚀产物不利于长期强度。

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