Engineering Geology2D
Site Investigation - Theory & Concepts
Techniques for geological exploration, geophysical methods, and core logging.
Open the complete lessonRQD Calculator
Fair (73.3%)
25
8
15
30
5
40
0Total Run: 150 cm150
Only sound core pieces greater than 10 cm (highlighted in grey) are counted towards RQD.
Core Pieces
#125 cm
#28 cm
#315 cm
#430 cm
#55 cm
#640 cm
150 cm