Economic and Environmental Geology

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Fig. 13.

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Fig. 13. Distribution diagrams showing the weathering grades and graph on the weathering index of each rock types according to ultrasonic velocity of foundation stones in the Sebyeonggwan Hall. FR; fresh, SW; slightly weathered, MW; moderately weathered, HW; highly weathered, CW; completely weathered
Econ. Environ. Geol. 2021;54:199-212 https://doi.org/10.9719/EEG.2021.54.2.199
© 2021 Econ. Environ. Geol.