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This paper describes a study of large consolidation of cement-based grouts. Bleeding (drainage) and efficiency (volume) losses result from reductions in the grouts water content under grouting (injection) pressures and soil compaction. Water content losses due to hydraulic drainage are found to be dominant in a standard consolidation and that the losses due to hydration (ageing) of the cement mix are negligible. This justifies use of small or large consolidation models to predict bleeding behaviors for this class of grouts. Comparisons with a previous experimental study show the large deformations solution to produce slight improvements to predictions. Improvement is expected to be more pronounced under true two or three dimensional strain conditions as in compaction and compensation grouting.
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