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Mathematical Problems in Engineering
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2018
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Article
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Tab 2
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Research Article
A Method for Estimating the Surface Roughness of Rock Discontinuities
Table 2
Mechanical properties of the eleven discontinuity samples.
Rock types
(°)
σ
c
(MPa)
C
(MPa)
(°)
Limestone
30.5
90.6
11.2
44.6
Shale
22.8
36.6
5.3
33.3