Economic and Environmental Geology

Table. 1.

Table. 1.

Results of Schmidt hammer tests

Sample Rebound value R mean(n=3) Strength (kg/cm2) Weathering grade*
FR 56 600 Hard rock
WR 28 180 Soft rock
HWR <10 <110 Weathered rock

*Weathering grade suggested by the construction standard calculation.

Econ. Environ. Geol. 2022;55:429-38 https://doi.org/10.9719/EEG.2022.55.5.429
© 2022 Econ. Environ. Geol.