Intact soil cores

Intact cores are samples which represent soil in natural condition.


Used for


Column tests


Mechanisms & Methods


Two methods of taking undisturbed samples may be used:

  • Core boring: larger samples; standard method using trepanner.
  • Direct Push: small samples (diameter up to 5 cm), suitable for soils, not for rocks.
    The tube is pushed into the ground; inside there is another tube (thin-walled liner for containing and storing soil samples).


Read more

Read also

ASTM D7015-13 (2013) Standard Practices for Obtaining Intact Block (Cubical and Cylindrical) Samples of Soils. ASTM International,.West Conshohocken, PA.




Kamil Nešetřil

Technical University of Liberec (TUL)