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the strain at which the net stress within the atomic system is zero cannot be observed from the stress¨Cstrain data of both C-S-H structures compared with macrolevel data for cement paste. The strains at which the net stress is zero for cement at the macrolevel are 0.003 (compression) and 0.0003 (tension). The strain at which the stress is zero at the atomic level may be greater than the strain at the macrolevel
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