Abstract
An experimental study aimed at comparing of creep and fatigue behaviour of grouted sand is presented. Unconfined creep tests and cyclic tests were performed to highlight the creep and the fatigue behaviour of Fontainebleau sand grouted with three types of grout: a silicate grout, a micro-fine cement-based grout and a mineral-based grout. Creep and fatigue results were compared in terms of strain rate, creep slope or fatigue slope, and creep limit strength or fatigue limit strength. Some analogies were observed between the creep and the fatigue behaviours. These behaviours can be compared from a qualitative point of view, since creep and fatigue curves have the same shape (both showing primary and tertiary behaviour), and from a quantitative point of view, under certain loading conditions.
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