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Online Module

Materials Testing: Sand Cone Test

The above resource and more can be accessed by visiting the TLN Learning Management System (LMS).


This module covers the process used to measure the in-place density of compacted soil using the Sand Cone test. It includes:

  • Equipment used
  • Determining and calculating the Sand Cone Correction and Bulk Density of Sand
  • Conducting the test
  • Methods of determining moisture content, including the microwave method
  • Calculating and recording moisture content of soil
  • Calculating dry density

Target Audience

Anyone performing inspection on highway construction grading, culvert, or bridge projects; specifically in the area of compaction inspection.

NDSU Dept 2880P.O. Box 6050Fargo, ND 58108-6050