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    Aggregate-cement paste interface. II. Influence of aggregate physical properties

    New search for: Tasong, W.A.
    New search for: Lynsdale, C.J.
    New search for: Cripps, J.C.

    This paper describes part of a large project on aggregate-cement interactions and interface bonding mechanisms in concrete. This part of the study investigates the influence of aggregate physical properties on the nature of aggregate-cement paste interfacial bonding with the aim of establishing the bonding mechanisms as controlled by aggregate physical properties. A newly developed experimental technique to characterise quantitatively the aggregate surface texture using a surface profilometer is also presented. Three commonly used concrete aggregate rocks (basalt, limestone, and quartzite) were investigated. Significant differences in the measured bond strength and modes of failure of rock-hardened cement paste composite specimens under uniaxial tension were observed between the different rock types. Based on the results presented, it is apparent that for a given cement paste, the interfacial bond strength cannot be predicted from aggregate surface roughness alone.

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    Aggregate-cement paste interface. II. Influence of aggregate physical properties

    New search for: Tasong, W.A.
    New search for: Lynsdale, C.J.
    New search for: Cripps, J.C.

    This paper describes part of a large project on aggregate-cement interactions and interface bonding mechanisms in concrete. This part of the study investigates the influence of aggregate physical properties on the nature of aggregate-cement paste interfacial bonding with the aim of establishing the bonding mechanisms as controlled by aggregate physical properties. A newly developed experimental technique to characterise quantitatively the aggregate surface texture using a surface profilometer is also presented. Three commonly used concrete aggregate rocks (basalt, limestone, and quartzite) were investigated. Significant differences in the measured bond strength and modes of failure of rock-hardened cement paste composite specimens under uniaxial tension were observed between the different rock types. Based on the results presented, it is apparent that for a given cement paste, the interfacial bond strength cannot be predicted from aggregate surface roughness alone.

    Access

    Access via TIB
    Check availability in my library
    Order at Subito €

    Aggregate-cement paste interface. II. Influence of aggregate physical properties

    New search for: Tasong, W.A.
    New search for: Lynsdale, C.J.
    New search for: Cripps, J.C.

    This paper describes part of a large project on aggregate-cement interactions and interface bonding mechanisms in concrete. This part of the study investigates the influence of aggregate physical properties on the nature of aggregate-cement paste interfacial bonding with the aim of establishing the bonding mechanisms as controlled by aggregate physical properties. A newly developed experimental technique to characterise quantitatively the aggregate surface texture using a surface profilometer is also presented. Three commonly used concrete aggregate rocks (basalt, limestone, and quartzite) were investigated. Significant differences in the measured bond strength and modes of failure of rock-hardened cement paste composite specimens under uniaxial tension were observed between the different rock types. Based on the results presented, it is apparent that for a given cement paste, the interfacial bond strength cannot be predicted from aggregate surface roughness alone.

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    Title:

    Aggregate-cement paste interface. II. Influence of aggregate physical properties

    Contributors:

    Tasong, W.A. (author) / Lynsdale, C.J. (author) / Cripps, J.C. (author)

    Published in:

    Cement and Concrete Research ; 28 ; 1453-1465

    Publication date:

    1998

    Size:

    13 Seiten, 11 Quellen

    ISSN:

    0008-8846

    DOI:

    https://doi.org/10.1016/S0008-8846(98)00126-4

    Type of media:

    Article (Journal)

    Type of material:

    Print

    Language:

    English

    Keywords:

    Zement , physikalische Eigenschaft , Oberflächenstruktur , Rauigkeit , Bindefestigkeit , Epitaxialwachstum , Oberflächenspannung , Grenzfläche , Feststoff-Feststoff-Grenzschicht , Zuschlagstoff , Profilmesser , Rauigkeitsmessung , Profilometrie , Zementpaste

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