The paper by Mikhail et al. was of especial interest to me since it extends work that I had some connection with previously (Mather 1957). I was, however, confused by certain aspects of the paper and hope that they may be clarified. Beginning with the "Introduction" the authors cite work by Burba,
Air entrainment in portland blast furnace slag cement pastes: Effects on strength and pore structure
β Scribed by R.Sh. Mikhail; A.M. Youssef; M. Shater
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 441 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0008-8846
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Portland blast-furnace slag cement pastes were prepared with various water/cement ratios. Specific surface areas and pore structures of the hardened pastes were investigated by nitrogen adsorption. The "accessibility" of the nitrogen molecules to the pore structure is discussed in terms of degree of
Cement pastes made with different water-cement ratios were hydrated at different temperatures for different times. The main factor influencing the strength properties of the obtained samples was found to be their porosity, however pores with radii of less than 10 nm affected the resultant strength o