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针对黄金湾水库所处的5类侵蚀环境对钢筋混凝土结构耐久性的要求,试验设计了单掺25%粉煤灰、单掺65%磨细矿渣(包含活化剂)、65%磨细矿渣(包含活化剂)与HLC阻锈剂复掺3组混凝土的配合比方案,开展相关混凝土力学和耐久性能对比研究,以此探讨粉煤灰、磨细矿渣和阻锈剂对海洋环境中混凝土耐久性的提升效果。试验结果表明:相对于粉煤灰混凝土,大掺量磨细矿渣混凝土具有更好的抗氯离子渗透和抗硫酸盐腐蚀能力,HLC阻锈剂的加入,提高了混凝土的抗氯离子渗透能力,增加了混凝土的密实性,减少了混凝土的碳化深度。
According to the requirements of the five kinds of erosion environment on the durability of reinforced concrete structure in Huangjinwan Reservoir, the experiment designed 25% fly ash mixed with 65% ground slag (including activator) and 65% ground slag Including activator) and HLC rust inhibitor compound three mixed concrete mix program to carry out the relevant mechanical properties of concrete and durability comparative study to explore the fly ash, ground slag and rust inhibitor on the durability of concrete in the marine environment Improve the effect. The experimental results show that, compared with fly ash concrete, the high content of ground slag concrete has better resistance to chloride ion penetration and sulfate corrosion resistance. The addition of HLC rust inhibitor improves the ability of concrete to resist chloride ion penetration, Increased the density of concrete, reducing the depth of carbonation of concrete.