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۱A Novel Numerical Method for Determination of Print Spacing in Dynamic Compaction Operation of Dry Sand
نویسنده(ها): ، ،
اطلاعات انتشار: چهارمین همایش بین المللی مهندسی ژئوتکنیک و مکانیک خاک ایران، سال
تعداد صفحات: ۹
Dynamic compaction (DC) is a widely used soil improvement method in dry and\or saturated soils. Design of DC treatment is usually carried out based on past experiences and empirical relations. In order to clarify the ambiguities in DC processes, numerical modeling of DC in dry granular soils has been considered using a dynamic finite element code. In order to verify the numerical modelling procedure, comparisons have been made with the results of centrifuge model tests. Two design curves for determination of print spacing (distance between two neighboring drop points) in dynamic compaction operation have been proposed. A case history of dynamic compaction project is analyzed and the obtained results show that the developed design curves have good capability for determination of print spacing.<\div>
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