Standard Method of Test for
Diamond Core Drilling for Site Investigation
AASHTO Designation: T 225-06
1.1.This method covers a procedure for diamond core drilling designing for securing intact samples of rock and some soils which 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.
2.1. AASHTO Standards:
- T 206, Penetration Test and Split-Barrel Sampling of Soils
- T 207, Thin-Walled Tube Sampling of Soils
2.2. ASTM Standard:
D 5079, Standard Practices for Preserving and Transporting Rock Core Samples
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Click here to download AASHTO Designation: T 224-01 (2004) pdf free download