期刊
CEMENT AND CONCRETE RESEARCH
卷 39, 期 1, 页码 14-29出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cemconres.2008.10.001
关键词
Cement paste; Rheology; Thixotropy; Structural breakdown
In this work, a new material model is presented to simulate rheological behavior of cement paste. This material model is among others based on combined concepts by Hattori and Izumi and by Tattersall and Banfill. More precisely, coagulation, dispersion and re-coagulation of the cement particles (giving a true thixotropic behavior) in combination with the breaking of certain chemically formed linkages between the particles (giving a so-called structural breakdown behavior) are assumed to play ail important role in generating the overall time-dependent behavior of the cement paste. The model evaluation is done by comparing experimental data with model prediction. (c) 2008 Elsevier Ltd. All rights reserved.
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