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DPL (Dinamic Probing Light)

This type of test is a simpler version of the SPT or standard penetration test with the difference of its reduced size that allows work in places of difficult access where access conditions make it impossible to enter the SPT equipment, the disadvantage is that it does not allows the recovery of soil samples.

For this test an apparatus is used that is composed of a steel rod and a 10 kilogram hammer that is dropped in a 50 cm path. The study consists of keeping a record of the number of strokes necessary for the hammer to penetrate the steel rod at intervals of 10 cm depth from the ground.

This technique allows us to determine the most important geotechnical parameters for the characterization of soils with parameters such as soil stratigraphy, cut resistance, relative density and support capacity.

The data obtained is important for the calculation of the load capacity of surface foundations allowing recommendations on the foundation system to be used, the layer of soil where the foundations are laid, the compaction of the ground, determine the susceptibility to liquefaction by earthquakes and the local stability of the works.

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