uniaxial compressive strength of rock

    751.38 Spread Footings,  · Values for ¯ should similarly reflect the variability of the mean uniaxial compressive strength for the rock over the same depth range. Fig. 751.38.3.1 Resistance factors for bearing resistance of spread footings on rock. Values for C f1 shall be taken from Table m s ...Rock mass rating,  · Uniaxial compressive strength of rock material Rock quality designation (RQD) Spacing of discontinuities Condition of discontinuities. Groundwater conditions Orientation of discontinuities Each of the six parameters is assigned a value corresponding to the These ...