In situ imaging of ground granulated blast furnace slag hydration
Source abstract
Abstract
Ground granulated blast furnace slag (GGBFS) reacts with water in the presence of calcium sulfates and alkalis and is frequently used as a partial replacement for portland cement in concrete. The hydration products are known to be slightly different compositionally and morphologically than those of pure portland cement hydration. In this study, a new technique, soft X-ray transmission microscopy, was used to image the hydration of slag in a variety of solutions to investigate the effects of alkali sulfate and hydroxide activators on the morphology of the resulting hydration products. This microscopy method is unique in that it enables high resolution in situ observation and documentation of the formation of hydration products over time in wet samples at atmospheric pressure.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Drilling and Well Engineering · Concrete and Cement Materials Research · Concrete Properties and Behavior
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References (22)
Show source-provided references
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