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Spatial distribution of mechanical and electrical properties of cement mortar prior to loading

Wang, Y. / Chung, D.D.L.

The hardness was found to be lower (by approx. 10 in Rockwell H scale) and the volume electrical resistivity was found to be higher (about doubled) at the edge (up to a depth of approx. 5 cm for curing at 100% relative humidity) than at the center of a cement mortar specimen prior to loading. This is attributed to the faster drying at the edge and the resulting poorer bond between cement paste and sand at the edge than the center.

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Spatial distribution of mechanical and electrical properties of cement mortar prior to loading

Wang, Y. / Chung, D.D.L.

The hardness was found to be lower (by approx. 10 in Rockwell H scale) and the volume electrical resistivity was found to be higher (about doubled) at the edge (up to a depth of approx. 5 cm for curing at 100% relative humidity) than at the center of a cement mortar specimen prior to loading. This is attributed to the faster drying at the edge and the resulting poorer bond between cement paste and sand at the edge than the center.

Spatial distribution of mechanical and electrical properties of cement mortar prior to loading

Wang, Y. / Chung, D.D.L.

The hardness was found to be lower (by approx. 10 in Rockwell H scale) and the volume electrical resistivity was found to be higher (about doubled) at the edge (up to a depth of approx. 5 cm for curing at 100% relative humidity) than at the center of a cement mortar specimen prior to loading. This is attributed to the faster drying at the edge and the resulting poorer bond between cement paste and sand at the edge than the center.

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Title:

Spatial distribution of mechanical and electrical properties of cement mortar prior to loading

Contributors:

Wang, Y. (author) / Chung, D.D.L. (author)

Published in:

Cement and Concrete Research ; 28 ; 1373-1378

Publication date:

1998

Size:

6 Seiten, 11 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0008-8846(98)00123-9

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

mechanische Eigenschaft , elektrische Eigenschaft , dynamische Belastung , Härte , Bindefestigkeit , Rockwell-Härteprüfung , Feuchteaufnahme , Laden (Prozess) , Zementmörtel , Zementpaste

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