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    Simple Three-Step Analytical Scheme for Prediction of Elastic Moduli of Hardened Cement Paste

    Source: Journal of Materials in Civil Engineering:;2010:;Volume ( 022 ):;issue: 011
    Author:
    Jianjun Zheng
    ,
    Xinzhu Zhou
    ,
    Lin Shao
    ,
    Xianyu Jin
    DOI: 10.1061/(ASCE)MT.1943-5533.0000103
    Publisher: American Society of Civil Engineers
    Abstract: Owing to their importance to the structural analysis and evaluation of cement-based materials, it is essential to determine the mechanical properties of cement paste. This paper presents a simple three-step analytical scheme for predicting the elastic moduli of hardened cement paste. In this scheme, hardened cement paste is modeled as a multiphase composite material, composed of unhydrated cement, C-S-H, CH, and capillary pores and further represented by five two-phase composite spheres. The elastic moduli of hardened cement paste are obtained in terms of the volume fractions and elastic moduli of unhydrated cement, C-S-H, CH, and capillary pores by the three-step scheme. Finally, the validity of the three-step scheme is verified with three independent sets of experimental data. The paper concludes that, when the water-cement ratio is in the range of 0.4–0.6, the simple three-step analytical scheme presented in the paper can predict the elastic moduli of hardened cement paste with an average relative error smaller than 8%.
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      Simple Three-Step Analytical Scheme for Prediction of Elastic Moduli of Hardened Cement Paste

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/66446
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    • Journal of Materials in Civil Engineering

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    contributor authorJianjun Zheng
    contributor authorXinzhu Zhou
    contributor authorLin Shao
    contributor authorXianyu Jin
    date accessioned2017-05-08T21:55:10Z
    date available2017-05-08T21:55:10Z
    date copyrightNovember 2010
    date issued2010
    identifier other%28asce%29mt%2E1943-5533%2E0000135.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/66446
    description abstractOwing to their importance to the structural analysis and evaluation of cement-based materials, it is essential to determine the mechanical properties of cement paste. This paper presents a simple three-step analytical scheme for predicting the elastic moduli of hardened cement paste. In this scheme, hardened cement paste is modeled as a multiphase composite material, composed of unhydrated cement, C-S-H, CH, and capillary pores and further represented by five two-phase composite spheres. The elastic moduli of hardened cement paste are obtained in terms of the volume fractions and elastic moduli of unhydrated cement, C-S-H, CH, and capillary pores by the three-step scheme. Finally, the validity of the three-step scheme is verified with three independent sets of experimental data. The paper concludes that, when the water-cement ratio is in the range of 0.4–0.6, the simple three-step analytical scheme presented in the paper can predict the elastic moduli of hardened cement paste with an average relative error smaller than 8%.
    publisherAmerican Society of Civil Engineers
    titleSimple Three-Step Analytical Scheme for Prediction of Elastic Moduli of Hardened Cement Paste
    typeJournal Paper
    journal volume22
    journal issue11
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)MT.1943-5533.0000103
    treeJournal of Materials in Civil Engineering:;2010:;Volume ( 022 ):;issue: 011
    contenttypeFulltext
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