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The hydraulic behaviour of rhombohedral alite

Aldous, R.T.H.

AbstractA number of rhombohedral alites have been prepared using impurities of the type likely to be found in the alites of commercial cements. These alites when ground to 330 m²/kg developed between 25 and 90% more compressive strength at 28 days than monoclinic or triclinic alites. X-ray diffraction of alite pastes, in which hydration was arrested, indicates that rhombohedral alites yield higher strengths not only because they react more vigorously with water but, for the same degree of hydration the hydrates from rhombohedral alites contribute significantly more to strength. A mixture of rhombohedral alite with C3A and $CaSO 4.12 H 2 O$ . developed much higher strengths at a given age than a similar mixture with triclinic alite.

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The hydraulic behaviour of rhombohedral alite

Aldous, R.T.H.

AbstractA number of rhombohedral alites have been prepared using impurities of the type likely to be found in the alites of commercial cements. These alites when ground to 330 m²/kg developed between 25 and 90% more compressive strength at 28 days than monoclinic or triclinic alites. X-ray diffraction of alite pastes, in which hydration was arrested, indicates that rhombohedral alites yield higher strengths not only because they react more vigorously with water but, for the same degree of hydration the hydrates from rhombohedral alites contribute significantly more to strength. A mixture of rhombohedral alite with C3A and $CaSO 4.12 H 2 O$ . developed much higher strengths at a given age than a similar mixture with triclinic alite.

The hydraulic behaviour of rhombohedral alite

Aldous, R.T.H.

AbstractA number of rhombohedral alites have been prepared using impurities of the type likely to be found in the alites of commercial cements. These alites when ground to 330 m²/kg developed between 25 and 90% more compressive strength at 28 days than monoclinic or triclinic alites. X-ray diffraction of alite pastes, in which hydration was arrested, indicates that rhombohedral alites yield higher strengths not only because they react more vigorously with water but, for the same degree of hydration the hydrates from rhombohedral alites contribute significantly more to strength. A mixture of rhombohedral alite with C3A and $CaSO 4.12 H 2 O$ . developed much higher strengths at a given age than a similar mixture with triclinic alite.

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Title:

The hydraulic behaviour of rhombohedral alite

Contributors:

Aldous, R.T.H. (author)

Published in:

Cement and Concrete Research ; 13 ; 89-96

Publication date:

1982-04-23

Size:

8 pages

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(83)90131-X

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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