Comparison of Toyoura sand cyclic strength tests from a GDS dynamic cyclic direct simple shear apparatus with hollow cylinder test data

In addition to trialling the prototype vacuum mould (see GDS News March 2015), a series of tests provided GDS technical staff with an opportunity to compare the cyclic strength of Toyoura sand obtained from an NGI-style direct simple shear (DSS) apparatus (the GDS EMDCSS system) with that from hollow cylinder (HC) apparatus testing.

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