The impact of carbonation on the microstructure and solubility of major constituents in microconcrete materials with varying alkalinities due to fly ash replacement of ordinary Portland cement

Branch, J. L.; Kosson, D. S.; Garrabrants, A. C.; He, P. J.

doi:10.1016/j.cemconres.2016.08.019

Title: The impact of carbonation on the microstructure and solubility of major constituents in microconcrete materials with varying alkalinities due to fly ash replacement of ordinary Portland cement

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Authors:: Branch, J. L.; Kosson, D. S.; Garrabrants, A. C.; He, P. J.

Publication Date:: Tue Nov 01 00:00:00 EDT 2016

Sponsoring Org.:: USDOE

OSTI Identifier:: 1430576

Grant/Contract Number:: FC01-06EW07053

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Cement and Concrete Research

Additional Journal Information:: Journal Name: Cement and Concrete Research Journal Volume: 89 Journal Issue: C; Journal ID: ISSN 0008-8846

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Citation Formats


                    Branch, J. L., Kosson, D. S., Garrabrants, A. C., and He, P. J. The impact of carbonation on the microstructure and solubility of major constituents in microconcrete materials with varying alkalinities due to fly ash replacement of ordinary Portland cement.  United States: N. p., 2016. 
Web.  doi:10.1016/j.cemconres.2016.08.019.

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                    Branch, J. L., Kosson, D. S., Garrabrants, A. C., & He, P. J. The impact of carbonation on the microstructure and solubility of major constituents in microconcrete materials with varying alkalinities due to fly ash replacement of ordinary Portland cement.  United States.  https://doi.org/10.1016/j.cemconres.2016.08.019

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                    Branch, J. L., Kosson, D. S., Garrabrants, A. C., and He, P. J. Tue .  
"The impact of carbonation on the microstructure and solubility of major constituents in microconcrete materials with varying alkalinities due to fly ash replacement of ordinary Portland cement".  United States.  https://doi.org/10.1016/j.cemconres.2016.08.019.

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@article{osti_1430576,

  title        = {The impact of carbonation on the microstructure and solubility of major constituents in microconcrete materials with varying alkalinities due to fly ash replacement of ordinary Portland cement},

  author       = {Branch, J. L. and Kosson, D. S. and Garrabrants, A. C. and He, P. J.},

  abstractNote = {},

  doi          = {10.1016/j.cemconres.2016.08.019},

  journal      = {Cement and Concrete Research},

  number       = C,

  volume       = 89,

  place        = {United States},

  year         = {Tue Nov 01 00:00:00 EDT 2016},

  month        = {Tue Nov 01 00:00:00 EDT 2016}

}

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https://doi.org/10.1016/j.cemconres.2016.08.019

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The impact of carbonation on the microstructure and solubility of major constituents in microconcrete materials with varying alkalinities due to fly ash replacement of ordinary Portland cement

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The impact of carbonation on bulk and ITZ porosity in microconcrete materials with fly ash replacement

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Scanning electron microscopy was used to evaluate the porosity patterns found in microconcrete materials to better understand the gaseous diffusion pathways and reaction of CO{sub 2} within the bulk cement paste and interfacial transition zone (ITZ) of microconcrete materials containing different fly ash replacement types. Image segmentation was applied to evaluate the porosity as a function of distance from an exposed surface in the bulk cement paste and from aggregate boundaries in the ITZ in both carbonated and non-carbonated microconcrete materials. The ITZ region remained more porous compared to the bulk cement paste for all microconcrete types after carbonation despitemore »« less
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Suppression of phosphate liberation from eutrophic lake sediment by using fly ash and ordinary Portland cement

Journal Article Ye, Heng-Peng ; Chen, Fan-Zhong ; Sheng, Yan-Qing ; ... - Journal of Environmental Science and Health, Part A: Toxic Hazardous Substances and Environmental Engineering

In this study, the effect of suppression on phosphate liberation from eutrophic lake sediment by using fly ash and ordinary Portland cement (OPC) was investigated by small scale experiment. A system including sediment, lake water, and several kinds of capping materials was designed to clarify the suppression of phosphate liberation from sediment under the anaerobic condition. The suppression efficiencies of fly ash, OPC and glass bead used as control material were also determined, and these effects were discussed. The suppression efficiency of glass bead was 44.4%, and those of fly ash and OPC were 84.4%, 94.9%, respectively. The suppression bymore »« less

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