Abstract
This research concerns anti-seawater corrosion performance of slag composite cementitious material (SM agent)-cured coastal saline soil in one year. Based on compressive strength, scanning electron microscopy, electron-dispersive spectrometry and X-ray diffraction analysis, this paper presents studies on the anti-seawater corrosion performance, micro-structure and hydration products of the shell of SM agent-cured saline soil in seawater curing. The test results show that SM agent-cured coastal saline soil in seawater generates compact hard calcium carbonate (CaCO3) shell, which not only prevents seawater erosion, but also prevents the calcium hydroxide (Ca(OH)2) to dissolve erosion, which is the fundamental reason why SM agent has a good anti-seawater corrosion performance.
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