Cone Penetration Tests / CPT

Cone Penetration Tests / CPT

Using 20 Tonnes CPT Panther

For Cone Penetration Tests (CPT), borehole is not required. The primary application of this test is soil profiling with excellent detailed statigraphy and a wide-rage estimation of geotechnical soil parameters. CPT can be supplemented by samples , other in-situ tests as well as laboratory testing. Compared to laboratory tests, CPT (advanced in-situ test) is low cost and it plays a role from low-risk to high-risk project.

What are the advantages of Cone Penetration Test?

  • Cost Savings.
  • It is relatively fast (2cm/sec = 1.2m/min ~4ft/min).
  • Essentially continuous or near-continuous digital data.
  • High repeatability, reliable data.

At a sufficiently slow rate, a series of cylindrical rods with a cone at the base, is pushed into the soil and it measures in a continuous manner or at selected depth intervals the penetration resistance on the cone. In addition, the pore-water pressure present at the interface between penetrometer tip and soil can be measured during penetration by means of a pressure sensor in the cone. This pore water pressure includes the pore water pressure increase or decrease due to compression and dilation of the saturated soil around the cone arising from the penetration of the cone and the push rods into the ground

In-situ test-Cone Penetration Test-Geonamics Singapore

In-situ test-Cone Penetration Test-Geonamics Singapore

In-situ test-Cone Penetration Test-Geonamics Singapore

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