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Compressive strength versus residual porosity in polymer impregnated cement pastes

Mikhail, R.Sh. / Mousa, A.K. / Abo-El-Enein, S.A. / Marie, M.S.

AbstractImpregnated cement pastes were prepared from fine cement of Blaine area 600 m²/kg using various initial W/C ratios in the range 0.25–0.70, cured for various durations, and by using styrene or methyl methacrylate, which were polymerized $in situ$ by thermal treatment. The polymer effect on compressive strength was found to be variable and depends on pore size. Upon impregnation, low porosity samples show measurable reduction in zero strength porosity, whereas high porosity samples show measurable reduction in the strength at zero porosity. Enhancement of compressive strength takes place at an optimum range of porosity and gel/space ratio.

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Compressive strength versus residual porosity in polymer impregnated cement pastes

Mikhail, R.Sh. / Mousa, A.K. / Abo-El-Enein, S.A. / Marie, M.S.

AbstractImpregnated cement pastes were prepared from fine cement of Blaine area 600 m²/kg using various initial W/C ratios in the range 0.25–0.70, cured for various durations, and by using styrene or methyl methacrylate, which were polymerized $in situ$ by thermal treatment. The polymer effect on compressive strength was found to be variable and depends on pore size. Upon impregnation, low porosity samples show measurable reduction in zero strength porosity, whereas high porosity samples show measurable reduction in the strength at zero porosity. Enhancement of compressive strength takes place at an optimum range of porosity and gel/space ratio.

Compressive strength versus residual porosity in polymer impregnated cement pastes

Mikhail, R.Sh. / Mousa, A.K. / Abo-El-Enein, S.A. / Marie, M.S.

AbstractImpregnated cement pastes were prepared from fine cement of Blaine area 600 m²/kg using various initial W/C ratios in the range 0.25–0.70, cured for various durations, and by using styrene or methyl methacrylate, which were polymerized $in situ$ by thermal treatment. The polymer effect on compressive strength was found to be variable and depends on pore size. Upon impregnation, low porosity samples show measurable reduction in zero strength porosity, whereas high porosity samples show measurable reduction in the strength at zero porosity. Enhancement of compressive strength takes place at an optimum range of porosity and gel/space ratio.

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Title:

Compressive strength versus residual porosity in polymer impregnated cement pastes

Contributors:

Mikhail, R.Sh. (author) / Mousa, A.K. (author) / Abo-El-Enein, S.A. (author) / Marie, M.S. (author)

Published in:

Cement and Concrete Research ; 14 ; 25-30

Publication date:

1983-06-13

Size:

6 pages

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(84)90076-0

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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