A direct pressure spiral undisturbed soil sampler and its sampling method have recently been granted a national invention patent, providing technical support for geological hazard investigation and monitoring.
This patent was developed by the Nanjing Geological Survey Center of the China Geological Survey. The patent effectively solves the problems of complex and bulky original soil sampling devices, high sampling costs, and easy sample fragmentation in the field of geological disasters. It realizes fast and non-destructive sampling of shallow rock and soil, which helps to obtain real rock and soil mechanical parameters. This device is portable and easy to operate, and can be widely used for the collection of undisturbed soil samples in geological disasters, engineering geology, environmental geology research, and production fields.
Technology provided by the Information Center of CIGEM
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