The objective of the research is to analyze the discontinuities that are associated with sensitivity in granite rocks in Cusco Peru, by associating the different discontinuities of sensitivity in each fissure, opening, spacing, and frequency. With the sensitivity tests, the level of association of permeability was verified under convergent flow and divergent flow conditions. Permeability tests with the radial flow permeameter applied to nine samples with tests subjected to convergent and divergent flow for different pressures. It was obtained as a result that discontinuities are strongly associated with the sensitivity of granite-type rock, that is, with higher discontinuities, higher sensitivity values because the sensitivity is due to discontinuities in the granite-type rock. In the radial permeability test in the convergent flow, permeability tends to decrease with increasing applied pressure because when the pressure increases, the discontinuities close, besides the flow pressure tends to increase. In the radial permeability test in the divergent flow, the permeability increases with rising water flow pressure during the experiment, the minimum cracks open as a result of which the water pressure flow tends to increase. Indeed, the different discontinuities are associated with the sensitivity values of granite-type rock.
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