Abstract The transport properties obtained from the accelerated tests on the concrete mixtures that contain shrinkage-compensating cement have indicated that addressing the issue of shrinkage may come with the expense of increased permeability. This raised a fundamental question concerning the long-term durability of reinforced concrete structures made with this type of cement. In the absence of similar studies, a comprehensive experimental testing program was devised in the current study to understand the vulnerability of steel bars embedded in shrinkage-compensating cement concretes exposed to corrosive environments. This included a long-term corrosion monitoring of reinforced concrete specimens made with different dosages of shrinkage-compensating cement. In addition to finding the corrosion rate of embedded steel bars, air permeability, capillary absorption, and chloride diffusion tests were conducted to determine the transport properties of the concretes made with this type of cement. The experimental test results were then further supported and explained using mercury intrusion porosimetry analyses.

中文翻译：

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补缩水泥混凝土中水和氯离子的钢筋腐蚀及迁移

摘要 对含有收缩补偿水泥的混凝土混合物进行加速试验获得的传输特性表明，解决收缩问题可能会以增加渗透性为代价。这就提出了一个关于用这种水泥制成的钢筋混凝土结构的长期耐久性的基本问题。在没有类似研究的情况下，本研究设计了一个全面的实验测试程序，以了解嵌入在腐蚀环境中的收缩补偿水泥混凝土中钢筋的脆弱性。这包括对用不同剂量的收缩补偿水泥制成的钢筋混凝土试样进行长期腐蚀监测。除了发现嵌入式钢筋的腐蚀率、透气性、进行了毛细吸收和氯化物扩散测试，以确定用这种水泥制成的混凝土的传输性能。然后使用压汞孔隙率分析进一步支持和解释实验测试结果。