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A flexible homogenization method for the effective elastic properties of cement pastes with w/c effect

Authors: 

Tuan Nguyen-Sy, Trung-Kien Nguyen, Van-Dong Dao, Khuong Le-Nguyen, Ngoc-Minh Vu, Quy-Dong To, The-Duong Nguyen, Thoi-Trung Nguyen

Source title: 
Cement and Concrete Research, 134: 106106, 2020 (ISI)
Academic year of acceptance: 
2020-2021
Abstract: 

In this paper, the dynamic and static elastic properties of cement pastes with a large range of water to cement (w/c) ratios were modeled for the whole hydration range from 0 to 1. A flexible homogenization scheme is developed for transferring from one w/c ratio to another. This scheme considers a reference matrix that changes flexibly with respect to the microstructure change. It allows predicting the elastic properties of a paste by considering data of a reference paste of which the hydration condition and the microstructure are close to the considering paste. The model is calibrated and validated against a large variety of relevant data given in literature.