Analysis of Effects of Rock Physical Properties Changes from Freeze–Thaw Weathering in Ny-Ålesund Region: Part 2—Correlations and Prediction of Weathered Properties

From the examination of rock physical parameters’ changes of compressive strength, shore hardness, water absorption, P-wave velocity with increasing freeze–thaw cycles, correlations of these parameters were investigated. Rock samples were collected from Ny-Ålesund region in Norway. As compressive st...

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Bibliographic Details
Published in:Applied sciences 2020-05, Vol.10 (10), p.3392
Main Authors: Park, Keunbo, Lee, Bang Yong, Lee, Kichoel, Kim, Dongwook
Format: Article
Language:English
Subjects:
Absorption
air temperature
Climate change
Compressive strength
Correlation analysis
Cultural heritage
Freeze-thawing
freeze–thaw cycle
Hardness
Mechanical properties
Observations
P-wave velocity
Physical properties
rock weathering
rock weathering grade
Rocks
Shear strength
Studies
Temperature effects
Thermal properties
Velocity
Water absorption
Water hardness
Wave velocity
Weathering
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Summary:From the examination of rock physical parameters’ changes of compressive strength, shore hardness, water absorption, P-wave velocity with increasing freeze–thaw cycles, correlations of these parameters were investigated. Rock samples were collected from Ny-Ålesund region in Norway. As compressive strength and shore hardness inherently have high uncertainties due to inhomogeneous rock composition and internal fissures and cracks, only the relationship between water absorption and P-wave velocity revealed high correlations, providing meaningful linear fitting equations. From the correlation analysis results and clear trends of increasing water absorption and decreasing P-wave velocity with increasing freeze–thaw cycle found in part one of the companion study, prediction equations of future changes of rock physical parameters are proposed using P-wave velocity or water absorption. In addition, future rock weathering grade changes with time can be predicted from estimation of water absorption or P-wave velocity change due to freeze–thaw cycles.
ISSN:2076-3417
2076-3417
DOI:10.3390/app10103392