AASHTO T225
Full Name
AASHTO T225 – Standard Method of Test for Diamond Core Drilling for Site Investigation
Scope
This method covers a procedure for diamond core drilling designed to secure intact samples of rock and some soils that are too hard to sample by soil sampling methods.
This method is primarily for obtaining data for foundation and slope design and similar civil engineering purposes, rather than for mineral development and mining.
Keywords
core barrels; diamond core drilling; rock cores; rock sampling; rotary drilling machine