Dynamic Compaction of Soil for Low-Cost Building Blocks

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David E Montgomery and Terry Thomas

This paper reports the results of experiments carried out on the process of dynamic compaction of stabilized soil blocks. The interest in this area has been fueled by the previous research that has shown the dynamic technique of compaction has significant advantages over quasi-static compaction. During the experiments emphasis was placed on determining the wet compressive strength obtained after curing of the formed material. The results lead to a greater understanding of the different factors that affect this strength and suggest a means of predicting the strength without applying a destructive test. The “green” density of the newly formed material was found to be a good surrogate for its subsequent wet compressive strength.

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