Abstract
The dynamic elastic modulus and damping coefficient of hardened cement paste is measured by exciting the natural mode of oscillation of a hardened cement paste beam in a temperature range between +20 and −160°C. The damping from the system and water vapour exchange with the specimen are negligible. A new statistical model is proposed for combining the elastic moduli of the constituents: solid matrix, water ice and air. Water-saturated specimens were measured, delivering results for the elastic moduli of solid, ice and water by applying the model.
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Zech, B., Setzer, M.J. The dynamic elastic modulus of hardened cement paste. Part I: A new statistical model—water and ice filled pores. Materials and Structures 21, 323–328 (1988). https://doi.org/10.1007/BF02472157
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DOI: https://doi.org/10.1007/BF02472157